A busbar assembly includes a busbar body, a firewall, and a heat-resistant member. The busbar body has an electrical connection portion formed at each end thereof and the firewall is coupled to an outer surface of the busbar body adjacent to the electrical connection portion. The heat-resistant member encloses the firewall and the outer surface of the busbar body excluding the electrical connection portion so that the penetration of flames between the heat-resistant member and the busbar body is delayed, and the safety of the busbar assembly is improved.
H01M 50/143 - Boîtiers primairesFourreaux ou enveloppes pour protéger contre les dommages causés par des facteurs externes ignifugesBoîtiers primairesFourreaux ou enveloppes pour protéger contre les dommages causés par des facteurs externes à l'épreuve des explosions
H01M 50/503 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie caractérisées par la forme des interconnecteurs
H01M 50/505 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie comprenant une barre omnibus unique
H01M 50/517 - Procédés pour interconnecter les batteries ou cellules adjacentes par des moyens de fixation, p. ex. vis, rivets ou boulons
A battery diagnosing apparatus includes a battery sensing unit configured to generate a voltage detection signal indicating voltage of a target battery and a current detection signal indicating current of the target battery. The battery diagnosing apparatus also includes a battery diagnosing unit configured to generate a measurement voltage profile representing the correspondence between an accumulated capacity and the voltage of the target battery in a period of interest by monitoring the voltage and current of the target battery while the target battery is being charged or discharged and diagnose abnormality of the target battery by comparing the measurement voltage profile with a criterion voltage profile.
G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
G01R 31/374 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p. ex. de la capacité ou de l’état de charge avec des moyens pour corriger la mesure en fonction de la température ou du vieillissement
G01R 31/3842 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge combinant des mesures de tension et de courant
G01R 31/389 - Mesure de l’impédance interne, de la conductance interne ou des variables similaires
3.
METHOD FOR ESTABLISHING LITHIUM SECONDARY BATTERY CHARGING PROTOCOL, BATTERY MANAGEMENT SYSTEM, BATTERY PACK, AND BATTERY CELL CHARGING DEVICE
Systems and methods for charging protocols for secondary batteries are provided including: measuring an open-circuit voltage (Vref) according to a state-of-charge (SOCx) for a two-electrode cell, charged with a reference current; measuring second open-circuit voltages (Vc) according to the state-of-charge when charging the cell with a plurality of different charging currents; calculating an internal resistance value (RSOCx) according to the state-of-charge using an equation (RSOCx)=(Vc−Vref)/Ic for the different charging currents, wherein Ic is a value for the different charging currents, and computing a charging current-specific internal resistance profile mapping the internal resistance value according to the state-of-charge for the different charging currents; and identifying, for the charging current-specific internal resistance profiles, each inflection point, determining a lowest resistance value among the inflection points as a reference value, and determining, for the computed charging current-specific internal resistance profiles, the state-of-charge having the reference value as a limit state-of-charge.
A battery system comprises: a battery pack including multiple battery cells; and a battery management system which measures the cell voltages of the multiple battery cells at the time of wake-up so as to configure numbers of the multiple battery cells, periodically measures the cell voltages of the multiple battery cells after the wake-up so as to detect a maximum cell voltage and a minimum cell voltage, compares the minimum cell voltage with the cell voltage of at least one first battery cell to be diagnosed, compares the maximum cell voltage with the cell voltage of at least one second battery cell to be diagnosed, and diagnoses, according to the results of the comparisons, whether the battery cells to be diagnosed are abnormal.
G01R 31/385 - Dispositions pour mesurer des variables des batteries ou des accumulateurs
G01R 19/165 - Indication de ce qu'un courant ou une tension est, soit supérieur ou inférieur à une valeur prédéterminée, soit à l'intérieur ou à l'extérieur d'une plage de valeurs prédéterminée
G01R 19/30 - Mesure de la valeur maximale ou minimale d'un courant ou d'une tension atteinte dans un intervalle de temps
G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
5.
Pouch Supply Apparatus And Pouch Supply Method Using Same
An embodiment of the present disclosure provides a pouch supply apparatus for supplying a sheet-type pouch. The pouch supply apparatus includes a suction unit configured to suction an end of the pouch and unwind a portion of the pouch from a core so that a pouch roll, in which the pouch is wound around the core, is moved in an unwound state and a conveyance unit configured to convey the pouch roll at least during a state in which the pouch roll is unwound by the suction unit.
An embodiment of the present disclosure provides a pouch supply apparatus for supplying a sheet-type pouch. The pouch supply apparatus includes a suction unit configured to suction an end of the pouch and unwind a portion of the pouch from a core so that a pouch roll, in which the pouch is wound around the core, is moved in an unwound state and a conveyance unit configured to convey the pouch roll at least during a state in which the pouch roll is unwound by the suction unit.
As a result, it is possible to relieve an operator's workload by automatically replacing pouch rolls. Also, pouch rolls are automatically replaced, and thus, it is possible to minimize pouch supply interruption and maximize process efficiency.
An anode dam coating composition according to one embodiment of the present invention is in surface contact with an end portion of an anode active material layer, and comprises a carbon-based material, a cellulose-based compound, a rubber-based binder and inorganic particles. The anode dam coating composition exhibits excellent surface tension and adhesion such that the formation of an anode fat-edge is suppressed, and a dam coating layer formed from the anode dam coating composition reduces the sliding length of the anode active material layer.
A composition for anode dam coating according to an embodiment of the present invention comprises an aqueous binder, the aqueous binder comprising one or more types of compounds selected from the group consisting of polyacrylamide (PAM), polyvinyl alcohol, polyacrylic acid, polyethylene glycol, and polyacrylonitrile. A composition for anode dam coating according to an embodiment of the present invention suppresses the occurrence of pet-edge on an anode since the surface tension of the composition is as high as the level of a slurry for an anode. Additionally, a dam coating layer formed from the composition for anode dam coating shortens the sliding length of an anode active material layer, thereby reducing the NP-ratio reversal risk of a lithium secondary battery.
One aspect of the present invention aims to provide an electrode which lowers electrode interfacial resistance and maintains a certain level of adhesion, a preparation method thereof, and an electrochemical device comprising same. An electrode according to one aspect of the present invention is prepared by providing an adhesive layer on an electrode film and then attaching the adhesive layer to a current collector, thereby improving adhesion between the adhesive layer and the electrode film and reducing interfacial resistance between the current collector and the electrode.
The present invention relates to a temperature sensor for a cylindrical battery cell, the temperature sensor comprising: a temperature element; a case accommodating the temperature element therein; and an elastic member added to at least a portion of the outer surface of the case, wherein the case is configured so that the outer surface in contact with a curved side surface of the cylindrical battery cell has a curved shape. A side surface of the cylindrical battery cell and a curved side surface of the temperature sensor may be in surface contact, and the side surface of the cylindrical battery cell and the curved side surface of the temperature sensor may be placed in close contact by the elastic member.
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
G01K 7/22 - Mesure de la température basée sur l'utilisation d'éléments électriques ou magnétiques directement sensibles à la chaleur utilisant des éléments résistifs l'élément étant une résistance non linéaire, p. ex. une thermistance
H01M 50/107 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique ayant une section transversale courbe, p. ex. ronde ou elliptique
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
10.
ELECTRODE ASSEMBLY, CYLINDRICAL BATTERY, AND BATTERY PACK AND VEHICLE INCLUDING SAME
The present invention provides an electrode assembly, a cylindrical battery, a battery pack and a vehicle. In the electrode assembly, a first electrode, a second electrode and a separator interposed therebetween are wound around a winding axis such that a core and an outer circumference are defined, a winding start portion of the first electrode is arranged closer to the core than a winding start portion of the second electrode and extends further in the direction opposite to the winding direction, a winding end portion of the first electrode is arranged closer to the outer circumference than a winding end portion of the second electrode and extends further in the winding direction, and, on the electrode assembly cross-section, which is perpendicular to the winding axis, the winding end portion of the second electrode can be included in a fan-shaped region having a circumferential angle corresponding to the angle in the winding direction between the winding start portion of the first electrode and the winding start portion of the second electrode.
H01M 10/0587 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure enroulés, c.-à-d. des électrodes positives enroulées, des électrodes négatives enroulées et des séparateurs enroulés
H01M 50/188 - Éléments de scellement caractérisés par la position des éléments de scellement les éléments de scellement étant arrangés entre le couvercle et la borne
H01M 50/559 - Bornes adaptées aux cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 50/167 - Couvercles caractérisés par le procédé d’assemblage des boîtiers avec des couvercles par sertissage
H01M 50/567 - Bornes caractérisées par leur procédé de fabrication par des moyens de fixation, p. ex. vis, rivets ou boulons
H01M 50/152 - Couvercles caractérisés par leur forme pour des cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 50/213 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
11.
NEGATIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARING NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE COMPOSITION, NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY COMPRISING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING NEGATIVE ELECTRODE
The present application relates to: a negative electrode active material comprising a first silicon-based active material and a coating layer provided on the surface of the first silicon-based active material, wherein the coating layer includes a second silicon-based active material, and the grain size of the second silicon-based active material is 20 nm to 200 nm; a method for preparing the negative electrode active material; a negative electrode composition; a negative electrode for a lithium secondary battery, the negative electrode comprising same; and a lithium secondary battery comprising the negative electrode.
KOREA KUMHO PETROCHEMICAL CO., LTD. (République de Corée)
LG ENERGY SOLUTION, LTD. (République de Corée)
Inventeur(s)
Park, June
Choi, Bona
Ryu, Wonyeong
Kim, Yunkyoung
Kim, Youngbok
Kim, Donghyeon
Lee, Jieun
Kim, Yeeun
Abrégé
Disclosed are a solid electrolyte membrane and an all-solid-state battery comprising same, the solid electrolyte membrane comprising: a solid electrolyte; and a block copolymer comprising a unit structure derived from an aromatic vinyl monomer and a unit structure derived from a conjugated diene-based monomer.
C08F 297/04 - Composés macromoléculaires obtenus en polymérisant successivement des systèmes différents de monomère utilisant un catalyseur de type ionique ou du type de coordination sans désactivation du polymère intermédiaire utilisant un catalyseur du type anionique en polymérisant des monomères vinylaromatiques et des diènes conjugués
The present invention relates to a lithium secondary battery comprising: a cathode; an anode; a separator interposed between the cathode and the anode; and a non-aqueous electrolyte, wherein the cathode comprises a cathode active material, the cathode active material comprises a lithium nickel-based oxide represented by a specific chemical formula, the non-aqueous electrolyte comprises a lithium salt, an organic solvent, a first additive, and a second additive, the first additive comprises a compound represented by a specific chemical formula, and the second additive comprises a compound represented by a specific chemical formula.
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 10/0567 - Matériaux liquides caracterisés par les additifs
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
14.
CATHOD AND LITHIUM SECONDARY BATTERY COMPRISING SAME
50ccc) of the plate-shaped carbon-based material, is 0.1 to 3.6, and the cathode can provide a lithium secondary battery having excellent energy density with high rolling density while having no damage to the cathode active material.
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
According to an embodiment disclosed in the present document, a server comprises a communication circuit, a memory, and a processor operatively connected to the communication circuit and the memory, wherein the processor can: acquire history data related to battery charging of users and information related to the current traveling of a target user; extract characteristics related to charging factors of each user from the history data; set, on the basis of the characteristics, a criterion for determining habits related to the factors; determine habits of the target user on the basis of the characteristics of the target user and the criterion; and provide guide information related to the habits of the target user on the basis of at least one from among the habits, historical data, and information related to the current traveling of the target user.
B60L 58/12 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries en fonction de l'état de charge [SoC]
G06F 17/18 - Opérations mathématiques complexes pour l'évaluation de données statistiques
G08B 21/24 - Alarmes aide-mémoire, p. ex. alarmes contre la perte
16.
ELECTROLYTE SUPPLY APPARATUS FOR SECONDARY BATTERY
The present invention relates to an electrolyte supply apparatus for a secondary battery and, more specifically, to an electrolyte supply apparatus for a secondary battery, comprising: a upper hopper unit having a first accommodation space so that a supplied electrolyte can be temporarily stored, and having a flow path on the lower side thereof; a lower hopper unit having a second accommodation space for guiding, toward a secondary battery, the electrolyte transferred from the upper hopper unit; a needle unit for opening or closing the flow path while ascending and descending in a state of being accommodated in the first accommodation space; and a nozzle unit accommodated in the lower hopper unit, and fastened to the flow path so as to communicate therewith.
A battery pack according to an embodiment of the present invention is characterized by comprising: a cell array structure comprising a plurality of battery cells and a plurality of cooling tubes provided between the plurality of battery cells; a pack case accommodating the cell array structure; and a cooling pipe unit provided, in the pack case, between the plurality of cooling tubes in the direction in which the plurality of cooling tubes are stacked, and connecting cooling tubes that face each other in the stacking direction such that the tubes can communicate.
METHOD FOR ISOSTATICALLY PRESSING ELECTRODE ASSEMBLY USING PROTECTION MEMBER AS OUTER SACRIFICIAL FRAME, AND ALL-SOLID-STATE BATTERY INCLUDING PROTECTION MEMBER
The present invention provides: a method for isostatically pressing an electrode assembly that comprises a positive electrode including a positive electrode current collector and a positive electrode active material layer, a negative electrode including a positive electrode current collector and a negative electrode active material layer, and a solid electrolyte layer, and has a laminated form in which the solid electrolyte layer is laminated on the negative electrode active material layer such that one surface of the solid electrolyte layer is bonded to the negative electrode active material layer, the positive electrode is laminated on the other surface of the solid electrolyte layer such that the positive electrode active material layer is bonded to the other surface of the solid electrolyte layer, and the negative electrode protrudes outside the end of the positive electrode to form a step, wherein isostatic pressing is performed in a state in which a band-shaped protection member extending vertically from the outer surface of the protruding end of the negative electrode to the positive electrode is fastened, and a space formed by the step is located between the protection member and the positive electrode; and an all-solid-state battery including the electrode assembly and the protection member.
The electrolyte removing device of the present invention comprises an electrolyte removing unit for removing an electrolyte remaining in an opening part and a beading part of a can. The electrolyte removing unit comprises an air injection passage for injecting air toward the opening part and the beading part of the can such that the electrolyte remaining in the opening part and the beading part of the can flows into an electrode assembly receiving part of the can and thus is removed.
The present invention relates to a battery cell tray and, more specifically, to a battery cell tray for storing and transferring stacked battery cells. The battery cell tray according to the first embodiment of the present invention comprises: a cell fixing unit in which battery cells are fixed; a position measuring unit that measures the positions of the individual battery cells inserted into the cell fixing unit; and a processor that calculates the fixed positions of the individual battery cells fixed in the cell fixing unit through data measured by the position measuring unit. Accordingly, the positions of the battery cells inserted into the cell fixing unit are automatically measured so that the fixed positions at which the battery cells are fixed in the cell fixing unit can be identified.
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 50/256 - Dispositifs de transport, p. ex. courroies
H01M 50/264 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports avec des moyens de fixation, p. ex. des serrures pour des cellules ou des batteries, p. ex. cadres périphériques, courroies ou tiges
G06K 7/10 - Méthodes ou dispositions pour la lecture de supports d'enregistrement par radiation électromagnétique, p. ex. lecture optiqueMéthodes ou dispositions pour la lecture de supports d'enregistrement par radiation corpusculaire
G06K 19/06 - Supports d'enregistrement pour utilisation avec des machines et avec au moins une partie prévue pour supporter des marques numériques caractérisés par le genre de marque numérique, p. ex. forme, nature, code
G01S 17/88 - Systèmes lidar, spécialement adaptés pour des applications spécifiques
22.
METHOD FOR MANUFACTURING ELECTRODE FOR LITHIUM SECONDARY BATTERY
The present invention relates to a method for manufacturing an electrode for a lithium secondary battery, the method comprising the steps of: preparing a transfer laminate including a lithium metal layer and a base layer; bringing the transfer laminate into contact with at least one side of an electrode active material layer so that the lithium metal layer comes into contact therewith; and separating the base layer from the transfer laminate, wherein the separating step is performed a predetermined time after the step of bringing the transfer laminate into contact.
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
A metal particle monitoring device according to one embodiment of the present invention may comprise: a pipe through which a fluid passes; a first capacitance sensor for detecting metal particles in the fluid passing through the pipe; a metal removal unit that is disposed downstream of the first sensor and removes predetermined metal particles in the fluid; and a second capacitance sensor that is disposed downstream of the metal removal unit and detects metal particles in the fluid after the predetermined metal particles have been removed.
G01N 15/02 - Recherche de la dimension ou de la distribution des dimensions des particules
G01N 15/1031 - Recherche de particules individuelles en mesurant des effets électriques ou magnétiques
G01N 27/22 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance en recherchant la capacité
G08C 17/02 - Dispositions pour transmettre des signaux caractérisées par l'utilisation d'une voie électrique sans fil utilisant une voie radio
G01N 15/00 - Recherche de caractéristiques de particulesRecherche de la perméabilité, du volume des pores ou de l'aire superficielle effective de matériaux poreux
24.
CHARGING DEVICE, METHOD FOR OPERATING CHARGING DEVICE, AND CHARGING SYSTEM
According to some embodiments disclosed in the present document, a charging device comprises: a communication module configured to receive battery data related to a battery of a vehicle collected from a data port of a vehicle by means of a collection device; a power supply module configured to supply charging power to the battery on the basis of charging settings; and a controller configured to derive management data about the battery on the basis of the battery data and the charging settings.
B60L 53/66 - Transfert de données entre les stations de charge et le véhicule
B60L 53/30 - Détails de construction des stations de charge
B60L 58/16 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries en fonction du vieillissement de la batterie, p. ex. du nombre de cycles de charge ou de l'état de santé [SoH]
The present invention relates to an apparatus for evaluating a battery cell and, more specifically, to an apparatus for evaluating a battery cell, comprising: a housing having a space part; a holder part composed of a first connection member and a second connection member that are accommodated in the space part so as to fix the electrode lead of the battery cell; and a jig including a first elevation adjustment member for adjusting the height of the second connection member, wherein the first elevation adjustment member has a function by which the force pressed by the second connection member can be measured when the second connection member is in close contact with the first connection member or the electrode lead.
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
G01L 5/00 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques
The present specification discloses a current collector. The current collector comprises a polymer layer exhibiting a so-called positive temperature coefficient (PTC) effect. The polymer layer exhibits a PTC effect very precisely corresponding to a temperature and an external voltage. The polymer layer can quickly switch, at a necessary time, between a state exhibiting excellent electrical properties such as low resistance and a state exhibiting insulator properties due to increased resistance. The current collector can be applied to various electronic/electric devices to not affect operations of the devices through excellent electrical properties in a normal state and ensure stability through a rapid increase in resistance in an abnormal state.
The present disclosure relates to a negative electrode for a lithium secondary battery, a method for manufacturing the negative electrode, and the lithium secondary battery including the negative electrode. The negative electrode can include a negative electrode current collector layer, a silicon-based negative electrode active material layer provided on at least one surface of the negative electrode current collector layer, and a ceramic layer provided on a surface of the silicon-based negative electrode active material layer opposite to a surface of the negative electrode active material layer facing the negative electrode current collector layer. The ceramic layer can include a ceramic layer composition or a dried product thereof, and the ceramic layer composition can include ceramic and a binder. BaTiO3 can be included in an amount of 10 parts by weight or more and 50 parts by weight or less based on 100 parts by weight of the ceramic.
A cylindrical secondary battery includes an electrode assembly provided with an electrode tab; a battery can configured to accommodate the electrode assembly through an opening defined at one side thereof; a cap plate covering the opening; a collector disposed between the electrode assembly and the cap plate to electrically connect the electrode tab to the battery can; and a spacer having a body part disposed between the collector and the cap plate, a sealing part configured to seal a gap between the battery can and the cap plate, and a connection part configured to connect the body part to the sealing part. The collector includes a center part; a can coupling part coupled to the battery can; and a bridge connecting the center part to the can coupling part. The bridge of the collector and the connection part of the spacer do not overlap other.
H01M 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
H01M 50/107 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique ayant une section transversale courbe, p. ex. ronde ou elliptique
H01M 50/152 - Couvercles caractérisés par leur forme pour des cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 50/169 - Couvercles caractérisés par le procédé d’assemblage des boîtiers avec des couvercles par soudage, brasage ou brasage tendre
H01M 50/186 - Éléments de scellement caractérisés par la position des éléments de scellement
Electrolyte Solution Additive for Secondary Battery and Non-Aqueous Electrolyte Solution for Lithium Secondary Battery Including the Same and Lithium Secondary Battery
An electrolyte solution additive for a lithium secondary battery, a non-aqueous electrolyte solution for a lithium secondary battery comprising the same, and a lithium secondary battery are described. Specifically, the electrolyte solution additive for a lithium secondary battery may comprise a compound represented by Formula 1,
An electrolyte solution additive for a lithium secondary battery, a non-aqueous electrolyte solution for a lithium secondary battery comprising the same, and a lithium secondary battery are described. Specifically, the electrolyte solution additive for a lithium secondary battery may comprise a compound represented by Formula 1,
wherein in Formula 1,
R1 to R3, L and n are described herein.
H01M 10/0567 - Matériaux liquides caracterisés par les additifs
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
30.
Magnetism Alignment Apparatus for Negative Electrodes and Method for Manufacturing Negative Electrodes Using Same
A magnetic alignment device includes a first magnet part and a second magnet part, a thickness measuring part, and a control part. The first and second magnet parts accommodate an electrode sheet therebetween and the thickness measuring part measures a thickness of a negative electrode slurry disposed on the electrode sheet. The control part adjusts the separation distance of the first and second magnet parts. The magnetic alignment device measures the thickness of the negative electrode slurry applied on the negative electrode current collector in real time and controls the intensity of the magnetic field by adjusting the separation distance of the magnet part according to the measured negative electrode slurry thickness, and has an advantage of uniformly high alignment degree of the crystal faces of the carbon-based negative electrode active material contained in prepared negative electrode active layer.
B05C 13/02 - Moyens pour manipuler ou tenir des objets, p. ex. des objets individuels pour des objets particuliers
B05C 5/02 - Appareillages dans lesquels un liquide ou autre matériau fluide est projeté, versé ou répandu sur la surface de l'ouvrage à partir d'un dispositif de sortie en contact, ou presque en contact, avec l'ouvrage
H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
31.
METHOD FOR RESTORING INOIC CONDUCTIVITY OF SULFIDE-BASED SOLID-STATE ELECTROLYTE, SULFIDE-BASED SOLID-STATE ELECTROLYTE HAVING IONIC CONDUCTIVITY RESTORED BY THE METHOD, AND LITHIUM ION SECONDARY BATTERY COMPRISING THE SOLID-STATE ELECTROLYTE
A method for restoring ionic conductivity of a sulfide-based solid-state electrolyte, a sulfide-based solid-state electrolyte of which ionic conductivity is restored by the method, and a lithium ion secondary battery including the sulfide-based solid-state electrolyte are provided. The method includes a) contacting a sulfide-based solid-state electrolyte having a reduced ionic conductivity with a solvent having a dielectric constant of less than 7; and b) drying the solid-state electrolyte contacted with the solvent.
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
32.
Anode for Lithium Secondary Battery and Method for Manufacturing Same
Disclosed herein relates to a negative electrode for lithium secondary battery and a method for manufacturing the same. The negative electrode has a structure in which a first negative electrode active layer and a second negative electrode active layer are sequentially stacked on a negative electrode current collector. By controlling alignment (O.I) of the carbon-based active material to be lower in the second negative electrode active layer than in the first negative electrode active layer, and by preparing a low percentage of pores in the second negative electrode active layer, it is possible to have a flow path for the electrolyte to move inside the negative electrode active layer even after the rolling process of the negative electrode active layer. The negative electrode also has a high wetting ability to the electrolyte and high energy density.
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
A cell balancing method is capable of increasing cell balancing efficiency by variably controlling a cell balancing switching pulse-width modulation (PWM) duty ratio depending on a cell balancing current, a battery management system (BMS temperature, and an operating mode. Further, a battery pack using the same cell balancing method is provided.
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
34.
Composite Particle Including Electrode Material and Electrode for Electrochemical Device Including the Same
An electrode and an electrochemical device including the same. The electrode includes a current collector, and an electrode active material layer formed on the current collector, wherein the electrode active material layer includes granules, and the granule shows a higher binder content ratio in the surface portion as compared to the binder content ratio in the core portion.
A battery pack may include a quadrilateral base plate; a quadrilateral under cover spaced apart from the base plate and to face the base plate; a side pack frame connected to an edge of the base plate and an edge of the under cover, and configured to form a periphery of the lower case; and a support beam provided between the base plate and the under cover. The support beam may include a hollow pipe having an end connected to the side pack frame. A base vent hole may be provided at an area of the base plate facing the support beam and a beam vent hole may be provided at an area of the support beam facing the base vent hole. The hollow portion of the support beam may be in communication with a frame hollow portion of the side pack frame. The frame hollow portion may be connected to a pack vent.
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
H01M 10/613 - Refroidissement ou maintien du froid
H01M 10/656 - Moyens de commande de la température associés de façon structurelle avec les éléments caractérisés par le type de fluide pour l'échange de chaleur
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
H01M 50/30 - Aménagements pour faciliter l’échappement des gaz
36.
Negative Electrode for Lithium Secondary Battery, and Method for Manufacturing Same
A negative electrode for a lithium secondary battery includes a carbon-based negative electrode active material and a silicon-based negative electrode active material together as a negative electrode active material. The negative electrode exhibits excellent characteristics of charge and discharge capacity and energy density. Furthermore, the negative electrode has the advantage of exhibiting high charge characteristics and life characteristics during long-term charge and discharge by realizing the alignment (O.Ia) of the carbon-based negative electrode active material after activation in a predetermined range that is lower than the alignment (O.Ir) of the carbon-based negative electrode active material before activation. A lithium secondary battery including the negative electrode is also provided. Further, methods of manufacturing the negative electrode and the lithium secondary battery are also provided.
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/583 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx
37.
Anode for Lithium Secondary Battery and Manufacturing Method Therefor
A negative electrode for a lithium secondary battery includes a negative electrode active layer divided into a center region, an edge region, and a sliding region on a negative electrode current collector. The lithium precipitation at the end of the negative electrode active layer can be suppressed by the alignment (O.I) of each carbon-based negative electrode active material contained in the center region, the edge region, and the sliding region satisfying Equation 1 and Equation 2. A secondary battery including the same has the advantage of excellent rapid charging performance. A method of manufacturing the negative electrode is also provided.
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
An anode dam coating composition according to one embodiment of the present invention comprises a cellulose-based compound. The anode dam coating composition according to one embodiment of the present invention has a surface tension as high as that of an anode slurry, thereby suppressing the formation of an anode fat-edge. In addition, the dam coating layer formed from the anode dam coating composition allows the sliding length of the negative electrode active material layer to be shortened, thereby reducing the risk of NP-ratio reversal of a lithium secondary battery.
An anode dam coating composition according to one embodiment of the present invention is in surface contact with an end portion of an anode active material layer, and comprises hydrophobic powder, a cellulose-based compound, a rubber-based binder, and inorganic particles. The anode dam coating composition exhibits excellent surface tension and adhesion, and thus suppresses the occurrence of an anode fat-edge, and a dam coating layer formed from the anode dam coating composition has the effect of reducing the sliding length of the anode active material layer.
According to exemplary embodiments, a battery manufacturing system is provided. The system includes: a first server including coordinate data indicating the position of each electrode moving in multiple processes, a first coordinate association data set in which inspection data and/or measurement data of each electrode, acquired in the multiple processes, are associated, and an identification data set including an electrode ID for distinguishing the electrode; a memory for storing commands; and one or more processors configured to execute the commands to perform operations including the following steps of: 1) associating an electrode ID selected from the identification data set with coordinate data of the first coordinate association data set corresponding to the electrode ID; and 2) producing monitoring data for manufacturing a battery on the basis of association data of the electrode ID and the coordinate data.
G01B 7/004 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer les coordonnées de points
Provided is a battery module comprising: a cell stack in which a plurality of battery cells are stacked; a housing which accommodates the cell stack and has one or more venting holes provided therein; and a venting guide member which guides gas generated in the cell stack to flow in a direction toward the one or more venting holes, wherein the venting guide member comprises a body part which is disposed between the venting holes and the cell stack and has a plurality of openings provided therein, and a plurality of guide parts which are disposed between the body part and the cell stack and are in contact with the surface of the cell stack.
H01M 50/271 - Couvercles des boîtiers secondaires, des bâtis ou des blocs
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
42.
POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME
The present invention relates to a positive electrode in which a positive electrode mixture layer comprising a single particle-type positive electrode active material and a point-type conductive material is disposed on a current collector, and which has a rolling index of 0.01 to 1.00, the rolling index having, as factors, a single particle fraction of a single particle-type lithium nickel-based oxide, a bulk density of a point-type conductive material, a BET specific surface area, and an oil absorption number. The positive electrode has low porosity and high rolling density, and thus can provide a lithium secondary battery having excellent energy density.
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
A laser welding device according to one embodiment disclosed in the present document comprises: a laser irradiator capable of laser-welding an electrode lead to an electrode tab of an electrode assembly; a mask jig capable of fixing the electrode tab and the electrode lead; a communication circuit capable of communicating with a welding control device; and a processor, wherein the processor can receive a control instruction from the welding control device by using the communication circuit, perform a laser welding process of laser-welding the electrode lead to the electrode tab by using the laser irradiator and the mask jig if the control instruction is a welding control instruction, and perform an image capturing process of capturing the mask jig by using the laser irradiator and the mask jig if the control instruction is a capturing control instruction.
B23K 26/066 - Mise en forme du faisceau laser, p. ex. à l’aide de masques ou de foyers multiples au moyen d'éléments optiques, p. ex. lentilles, miroirs ou prismes par utilisation de masques
B23K 26/03 - Observation, p. ex. surveillance de la pièce à travailler
B23K 26/082 - Systèmes de balayage, c.-à-d. des dispositifs comportant un mouvement relatif entre le faisceau laser et la tête du laser
H01M 50/536 - Connexions d’électrodes dans un boîtier de batterie caractérisées par le procédé de fixation des conducteurs aux électrodes, p. ex. soudage
44.
APPARATUS FOR INSPECTING DRYNESS OF ELECTRODE, METHOD FOR INSPECTING DRYNESS OF ELECTRODE, AND METHOD FOR MANUFACTURING ELECTRODE AND SECONDARY BATTERY
According to an embodiment of the present invention, provided are an apparatus for inspecting dryness of an electrode, the apparatus comprising: a transfer unit for transferring an electrode to an electrode drying zone; an irradiation unit including a collimating lens fixed at an upper portion spaced apart from the electrode in a state of being inclined at 10 to 20 degrees with respect to a direction perpendicular to a transfer direction of the electrode and an optical fiber for emitting light through the collimating lens; a measuring unit including a spectrometer and a light source each connected to the irradiation unit, and a spectrometer hub connected to the spectrometer; and a control unit including a display device connected to the spectrometer hub, a method for inspecting dryness of an electrode, the method predicting electrode drying from the reflectivity measured through the apparatus, a method for manufacturing an electrode for a secondary battery, to which the method for inspecting dryness is applied, and a method for manufacturing a secondary battery including same.
G01N 21/25 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes
C5050. According to the present invention, a conductive material capable of improving the performance of an electrode when a specific range is satisfied can be provided by using physical properties that may be related to the resistance characteristics and lifespan characteristics of the electrode to establish and define relationships between the physical properties. The physical properties may be, for example, that the conductive material is disposed in pores and disposed on the surface of an active material and forms conductive network connection paths between active material particles in the electrode and inside the active material.
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/134 - Électrodes à base de métaux, de Si ou d'alliages
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01B 1/04 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisésEmploi de matériaux spécifiés comme conducteurs composés principalement soit de compositions à base de carbone-silicium, soit de carbone soit de silicium
H01B 5/02 - Barres, barreaux, fils ou rubans simplesBarres omnibus
46.
POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME
CBCNTCBCNT5050 CNT)) of the carbon nanotubes is 0.9-2.0 μm, and provided is a lithium secondary battery which has both improved ion conductivity and improved electrical conductivity due to excellent positional relationship between the carbon nanotubes and the carbon black in the positive electrode and excellent connectivity thereof with active material particles, and thus has excellent resistance characteristics and improved lifespan, and is also capable of securing price competitiveness.
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
A charging management device according to an embodiment disclosed in the present document may comprise: a parameter extraction unit which extracts a plurality of parameters related to a battery cell; a core parameter selection unit which selects one or more core parameters from the plurality of parameters; and a depth prediction unit which predicts a depth of charge of the battery cell on the basis of the core parameters.
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
G01R 27/02 - Mesure de résistances, de réactances, d'impédances réelles ou complexes, ou autres caractéristiques bipolaires qui en dérivent, p. ex. constante de temps
G01R 31/3842 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge combinant des mesures de tension et de courant
G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
A battery pack according to an embodiment of the present invention comprises: a cell array structure comprising battery cells and cooling tubes provided between the battery cells; a pack case accommodating the cell array structure; and a cooling pipe unit mounted so as to communicate with a cooling line for circulating a cooling medium, and configured to connect the cooling tubes in one direction in the pack case along the stacking direction of the cooling tubes.
A battery pack according to an embodiment of the present invention is characterized by comprising: a plurality of battery cells each having a venting part; and a pack frame accommodating the plurality of battery cells, and having a venting guide parts at portions corresponding to the venting parts of the battery cells.
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
50.
NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME
The present invention relates to a negative electrode, a method of manufacturing same, and a lithium secondary battery to which the negative electrode is applied. In the negative electrode, CMC binders having different molecular weights are applied to first and second negative electrode active layers, and the degree of orientation of negative electrode active materials is individually controlled. Accordingly, the negative electrode exhibits excellent adhesion between a current collector and the active layer, and improves charging performance when applied to a lithium secondary battery.
H01M 4/133 - Électrodes à base de matériau carboné, p. ex. composés d'intercalation du graphite ou CFx
H01M 4/134 - Électrodes à base de métaux, de Si ou d'alliages
H01M 4/1393 - Procédés de fabrication d’électrodes à base de matériau carboné, p. ex. composés au graphite d'intercalation ou CFx
H01M 4/1395 - Procédés de fabrication d’électrodes à base de métaux, de Si ou d'alliages
H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
51.
CONDUCTIVE MATERIAL DISPERSION, ELECTRODE, AND LITHIUM SECONDARY BATTERY
The present invention relates to: a conductive material dispersion comprising single-walled carbon nanotube (SWCNT) clusters, wherein the number average length of the SWCNT clusters is 0.8 ㎛ to 8.0 ㎛, the number of the SWCNT clusters having a length exceeding 10 ㎛ is no more than 15% of the total number of SWCNT clusters, the number average diameter of the SWCNT clusters is 5 nm to 30 nm, the number of the SWCNT clusters having a diameter exceeding 30 nm is no more than 15% of the total number of the SWCNT clusters, and the length and diameter of the SWCNT clusters are measured using atomic force microscopy (AFM); and an electrode comprising the SWCNT clusters. The present invention has the advantages of forming a conductive network well due to having excellent dispersibility, and thus being able to achieve excellent conductivity even in small amounts, having excellent processability due to the low viscosity of the dispersion, and being able to contribute to improved battery performance when the conductive material dispersion is applied to the electrode.
The present invention relates to a method comprising: a first step of obtaining resistance values according to the temperature for a plurality of battery cells belonging to the same type; a second step of measuring the temperature and resistance of a different battery cell belonging to the same type but not corresponding to the plurality of battery cells; and a third step of determining whether measurement values of the different battery cell correspond to preset good quality criteria by using data obtained in the first step, such that the method is capable of determining whether the battery cell is defective by means of values measured in the second step without measuring the time required between the first step and the second step.
G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
G01R 31/389 - Mesure de l’impédance interne, de la conductance interne ou des variables similaires
G06Q 10/08 - Logistique, p. ex. entreposage, chargement ou distributionGestion d’inventaires ou de stocks
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
H01M 50/10 - Boîtiers primairesFourreaux ou enveloppes
53.
ANODE FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY COMPRISING SAME, AND MANUFACTURING METHOD FOR ANODE FOR LITHIUM SECONDARY BATTERY
The present invention relates to an anode for a lithium secondary battery, a lithium secondary battery comprising same, and a manufacturing method for an anode for a lithium secondary battery, the anode comprising an anode active material layer comprising: a silicon-based anode active material containing SiOx (0≤x<2) and Si nanoparticles; an anode conductive material; and an anode binder, wherein the silicon-based anode active material is in a carbon-uncoated state, the Si nanoparticles having an average particle diameter (D50) of 1 nm or smaller, and at least one surface of the anode active material layer is pre-lithiated.
A battery charging method according to an embodiment of the present invention is a method for charging a battery by dividing a charging section into a plurality of charging sections, the method comprising: a first charging step of charging the battery in an nth (where n is a natural number) charging section; a first rest step of having a rest period for a first duration after the first charging step is finished; a second charging step of charging the battery in an (n+1)th charging section; and a second rest step of having a rest period for a second duration after the (n+1)th charging section is finished.
The present invention can provide a film with excellent durability against an electrolyte, capable of effectively blocking the inflow of external moisture and atmosphere (air) into a battery while continuously and non-destructively discharging gas, generated inside the battery, under a low pressure condition as well as a high pressure condition. The present invention can provide a battery pouch capable of further improving the stability and lifespan of the battery by comprising the film in at least a portion thereof.
H01M 50/14 - Boîtiers primairesFourreaux ou enveloppes pour protéger contre les dommages causés par des facteurs externes
H01M 50/141 - Boîtiers primairesFourreaux ou enveloppes pour protéger contre les dommages causés par des facteurs externes pour protéger contre l’humidité
H01M 50/131 - Boîtiers primairesFourreaux ou enveloppes caractérisés par les propriétés physiques, p. ex. la perméabilité au gaz, les dimensions ou la résistance à la chaleur
B32B 5/02 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par les caractéristiques de structure d'une couche comprenant des fibres ou des filaments
B32B 27/28 - Produits stratifiés composés essentiellement de résine synthétique comprenant des copolymères de résines synthétiques non complètement couverts par les sous-groupes suivants
56.
ELECTRODE MANUFACTURING SYSTEM, ELECTRODE MANUFACTURING METHOD, AND ELECTRODE
An electrode manufacturing system according to an exemplary embodiment of the present invention comprises: a coating unit composed of a first coating unit for applying an electrode slurry to a first surface of a current collector and a second coating unit for applying the electrode slurry to a second surface of the current collector; an air spraying unit; and a drying unit, wherein the air spraying unit is disposed on a transfer path between the second coating unit and the drying unit. The formation of a fat-edge in a second electrode active material layer due to a sliding region of a first electrode active material layer formed on the first surface of the current collector can be prevented by spraying the fat-edge with air and thereby moving the electrode toward an uncoated portion.
H01M 4/13 - Électrodes pour accumulateurs à électrolyte non aqueux, p. ex. pour accumulateurs au lithiumLeurs procédés de fabrication
G01N 23/083 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et mesurant l'absorption le rayonnement consistant en rayons X
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
Provided is a secondary battery manufacturing method comprising the steps of: stacking a plurality of unit batteries in a first direction in order to form a stack-type electrode assembly; coupling a multifunctional terminal block (MTB) to both ends of the stack-type electrode assembly that extends in a second direction; attaching a laminate sheet to the MTB so as to encompass the stack-type electrode assembly; injecting an electrolyte into the stack-type electrode assembly; and sealing the laminate sheet in order to form a cell case, wherein the MTB includes: an MTB housing; a bus bar provided in the MTB housing and electrically connected to the stack-type electrode assembly; and an electrode terminal unit exposed to the outside of the MTB housing and electrically connected to the bus bar.
H01M 50/502 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie
The technical idea of the present invention provides a slot die coater comprising: a die block including a first block having a manifold in which a coating solution is held, and a second block on the first block; and a coater shim between the first block and the second block, wherein the coater shim comprises: a master shim including a first guide plate and a second guide plate spaced apart from each other in a first direction with the manifold interposed therebetween, each of the first guide plate and the second guide plate not covering the manifold; a first auxiliary shim at one side of the first guide plate, the first auxiliary shim including a first inner region overlapping a first edge portion of the manifold; and a second auxiliary shim at one side of the second guide plate, the second auxiliary shim including a second inner region overlapping a second edge portion of the manifold.
B05C 5/02 - Appareillages dans lesquels un liquide ou autre matériau fluide est projeté, versé ou répandu sur la surface de l'ouvrage à partir d'un dispositif de sortie en contact, ou presque en contact, avec l'ouvrage
B05C 11/10 - Stockage, débit ou réglage du liquide ou d'un autre matériau fluideRécupération de l'excès de liquide ou d'un autre matériau fluide
Disclosed are a cathode for an all-solid-state battery, and an all-solid-state battery comprising same, the cathode having physically-optimized cathode physical properties that directly affect the lifespan and capacity expression of a battery, and thus can improve performance of the battery. The cathode for an all-solid-state battery comprises a cathode active material, a solid electrolyte and a binder, wherein the amount of the cathode active material exceeds 70 wt%.
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
According to exemplary embodiments, provided is a battery manufacturing system. The system comprises a coupling device configured to form a plurality of first electrodes having electrode IDs from a first electrode sheet assigned the electrode IDs at predetermined intervals, form a plurality of second electrodes from a second electrode sheet, and couple the plurality of first electrodes and the plurality of second electrodes, wherein the coupling device may comprise a controller configured to collect coordinate-related electrode ID data including the electrode IDs and coordinate values of at least one of the first electrodes or the second electrodes matched to the electrode IDs on the basis of a first input amount of the first electrode sheet, a second input amount of the second electrode sheet, and an electrode ID detection signal.
G01B 7/004 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer les coordonnées de points
B65H 35/00 - Délivrance d'articles à partir de machines à découper ou à perforer linéairementAppareils délivrant des articles ou des bandes, comportant des dispositifs pour couper ou perforer linéairement, p. ex. distributeurs de bande adhésive
G06K 19/06 - Supports d'enregistrement pour utilisation avec des machines et avec au moins une partie prévue pour supporter des marques numériques caractérisés par le genre de marque numérique, p. ex. forme, nature, code
61.
SEPARATOR SUBSTRATE FOR ELECTROCHEMICAL DEVICE AND SEPARATOR COMPRISING THE SAME
The present disclosure relates to a separator substrate, a separator and an electrochemical device comprising the same, and the separator substrate of the present disclosure is a separator substrate for an electrochemical device comprising a crosslinked polyolefin resin and chromium (Cr) wherein the crosslinked polyolefin resin comprises a phosphorus-containing organic group grafted to a polyolefin chain, a gel fraction of the separator substrate is 3% to 80%, a standard deviation (△d) of thickness measured in at least 100 random points is 0.5 μm or less, and a number of spots having a long side of 50 μm or more in length per 1m2 is 10 or less.
Disclosed are a battery cell, and a battery pack and vehicle including same. A cylindrical battery cell comprises: an electrode assembly having a structure in which a first electrode plate, a second electrode plate, and a separator interposed therebetween are wound in one direction; a battery can having an open portion in which the electrode assembly is accommodated and a partially closed portion on the opposite side thereof, and electrically connected to the second electrode plate; a current collector plate electrically connected to the first electrode plate; a cell terminal connected to the current collector plate through a through hole in the closed portion of the battery can; and an insulator having a central hole configured to expose a lower portion of the cell terminal, and interposed between the battery can and the current collector plate.
H01M 50/107 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique ayant une section transversale courbe, p. ex. ronde ou elliptique
H01M 50/167 - Couvercles caractérisés par le procédé d’assemblage des boîtiers avec des couvercles par sertissage
H01M 50/179 - Dispositions pour introduire des connecteurs électriques dans ou à travers des boîtiers adaptées à la forme des cellules pour des cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 50/213 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
H01M 50/586 - Moyens pour empêcher un usage ou une décharge indésirables pour empêcher les contacts incorrects à l’intérieur ou à l’extérieur des batteries à l’intérieur des batteries p. ex. les contacts incorrects des électrodes
Provided is a collector including an adhesion enhancing layer capable of providing a positive electrode having excellent adhesion and low interfacial resistance, a positive electrode including the same, and a lithium secondary battery including the positive electrode. The collector includes a conductive metal layer, and an adhesion enhancing layer provided on at least one surface of the conductive metal layer, wherein the adhesion enhancing layer has a surface roughness (Ra) of 90 nm to 600 nm and a diiodomethane contact angle of 70° to 120°.
A vehicle includes a battery and a computing system that analyzes a first calculation related to driving control of the vehicle and a second calculation related to energy management of the vehicle, obtains driving information related to driving of the vehicle, and manages processing of the first calculation and the second calculation based on the driving information.
G06F 9/50 - Allocation de ressources, p. ex. de l'unité centrale de traitement [UCT]
B60L 58/10 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries
An electrode assembly is manufactured in a process in which a positive electrode and a negative electrode are alternately stacked and a separator is positioned between the positive electrode and the negative electrode. The positive electrode is disposed above a first separator in a first step. A second separator is disposed above the positive electrode to cover the positive electrode in a second step. A negative electrode is disposed above the second separator in a third step. A third separator is disposed above the negative electrode to cover the negative electrode in a fourth step. In the first step and the third step, a laser beam is irradiated to indicate positions at which the positive electrode and the negative electrode are disposed.
An electrode capable of improving high-temperature safety and life characteristic of lithium secondary batteries, and an electrode assembly including the same are provided. The electrode includes an electrode active material layer and a coating layer formed on the electrode active material layer, the coating layer including polymer particles, a dispersant, and a binder, and the binder includes at least one selected from the group consisting of polyvinylidenefluoride (PVDF), polyvinyl alcohol (PVA), starch, hydroxypropyl cellulose, regenerated cellulose, polyvinylpyrrolidone (PVP), polyethylene (PE), polypropylene, ethylene-propylene-diene polymer, and a sulfonated ethylene-propylene-diene polymer.
The present invention relates to a method for preparing a composite solid electrolyte having high ionic conductivity and capable of continuous process and mass production.
H01M 10/056 - Accumulateurs à électrolyte non aqueux caractérisés par les matériaux utilisés comme électrolytes, p. ex. électrolytes mixtes inorganiques/organiques
H01M 10/0565 - Matériaux polymères, p. ex. du type gel ou du type solide
68.
BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME
Discussed is a battery module including a battery cell stack in which a plurality of battery cells with electrode leads are stacked, bus bar frame assemblies coupled to the electrode leads, and side frames disposed on opposite sides of the battery cell stack, respectively, and coupled to the bus bar frame assemblies, in which one of the bus bar frame assemblies or the side frames include coupling projections and the other of the bus bar frame assemblies or the side frames may include insertion coupling portions, the bus bar frame assemblies and the side frames are coupled to each other by inserting the coupling projections into the insertion coupling portions, and both an upper surface and a lower surface of the battery cell stack, excluding surfaces thereof to which the side frames and the bus bar frame assemblies are coupled, are open.
H01M 50/505 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie comprenant une barre omnibus unique
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
H01M 50/258 - Batteries modulairesBoîtiers pourvus de moyens d’assemblage
H01M 50/588 - Moyens pour empêcher un usage ou une décharge indésirables pour empêcher les contacts incorrects à l’intérieur ou à l’extérieur des batteries à l’extérieur des batteries, p. ex. les contacts incorrects des bornes ou des barres omnibus
A battery cell capable of preventing breakage of electrode tabs protruding from electrodes and a short circuit between the electrode tabs and surrounding electrodes, and reducing resistance between the electrode tabs and the electrode leads, a battery module including the same and a battery pack including the battery module are provided. The battery cell includes an electrode assembly including electrodes and an electrode tab stacking portion in which electrode tabs protruding from the electrodes are aligned and stacked in a vertical direction; and an electrode lead including a lead coupling portion surrounding at least a portion of the electrode tab stacking portion, wherein the lead coupling portion continuously surrounds and contacts three of an upper surface of the electrode tab stacking portion, a first side surface connected to the upper surface, and a second side surface opposite to the first side surface, or three of the upper surface, the first side surface, and a lower surface opposite to the upper surface, and the remaining one of the lower surface or the second side surface is exposed.
H01M 50/54 - Connexion de plusieurs conducteurs ou languettes d’électrodes empilées en forme de plaque, p. ex. barrettes ou ponts de pôles d’électrode
H01M 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
H01M 50/534 - Connexions d’électrodes dans un boîtier de batterie caractérisées par le matériau des conducteurs ou des languettes
H01M 50/586 - Moyens pour empêcher un usage ou une décharge indésirables pour empêcher les contacts incorrects à l’intérieur ou à l’extérieur des batteries à l’intérieur des batteries p. ex. les contacts incorrects des électrodes
Disclosed herein is an adsorption device that adsorbs battery cells loaded in a loading bin and sequentially removes and transports the battery cells. The adsorption device includes a base plate capable of moving vertically and horizontally; a suction unit coupled to the base plate for adsorbing a battery cell located at a lower part of the base plate; and a push unit coupled to the base plate for striking the battery cell to produce a vibration in the battery cell adsorbed by the suction unit. The push unit includes a rod that is lifted up and down and strikes the top surface of the adsorbed battery cell to the lower end part, and the rod descends by the elastic force of a spring.
B65G 59/04 - Désempilage par le haut de la pile par aspiration ou dispositifs magnétiques
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
71.
SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE COMPRISING SAME
Disclosed is an electrochemical device separator and an electrochemical device including the same. The separator includes a porous polymer substrate and a porous organic/inorganic composite coating layer formed on at least one surface of the polymer substrate, in which the porous coating layer includes particulate binder resins and inorganic particles, and [content of binder particles in an upper portion of a porous coating layer before impregnation with electrolyte/content of binder particles in a central portion of a porous coating layer before impregnation with electrolyte]−[content of binder particles in an upper portion of a porous coating layer after impregnation with electrolyte/content of binder particles in a central portion of a porous coating layer after impregnation with electrolyte] is 0.32 or less.
A negative electrode for a secondary battery, includes a current collector, a first negative electrode active material layer, and a second negative electrode active material layer. The first negative electrode active material layer is provided on the current collector and includes a silicon carbon composite. The second negative electrode active material layer is provided on the first negative electrode active material layer and includes a silicon oxide. A secondary battery including the same is also provided.
H01M 4/133 - Électrodes à base de matériau carboné, p. ex. composés d'intercalation du graphite ou CFx
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/13 - Électrodes pour accumulateurs à électrolyte non aqueux, p. ex. pour accumulateurs au lithiumLeurs procédés de fabrication
H01M 4/134 - Électrodes à base de métaux, de Si ou d'alliages
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
A lithium secondary battery includes a positive electrode, a separator, a negative electrode, and an electrolyte, in which the positive electrode includes a lithium composite transition metal compound including nickel (Ni) and cobalt (Co), the negative electrode includes a mixed negative electrode active material of a silicon-based active material and a carbon-based active material, the electrolyte includes fluoroethylene carbonate, and the efficiency constants of the mixed negative electrode active material and the lithium composite transition metal compound and the part by weight of the fluoroethylene carbonate satisfy a specific Equation.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
H01M 10/0567 - Matériaux liquides caracterisés par les additifs
74.
BATTERY MANAGEMENT APPARATUS AND OPERATING METHOD THEREOF
A battery management apparatus according to an embodiment disclosed herein includes a microcontroller unit (MCU) for identifying whether a Modbus-communication connector is connected, identifying whether a controller area network (CAN)-communication connector is connected, and configuring a communication protocol based on identification results of the first identifying unit and the second identifying unit.
An electrode slurry transfer system, including: a mixer storage tank for storing an electrode slurry discharged from a mixer; a first transfer tank for storing a high temperature slurry and connected to the mixer storage tank by a first transfer pipe branched in parallel; a second transfer tank for storing a low temperature slurry and connected to the mixer storage tank by a first transfer pipe branched in parallel; a coater supply tank configured to receive a high temperature slurry and a low temperature slurry from the first and second transfer tanks, respectively, and to supply an electrode slurry mixture thereof to a coater; a flow rate regulating portion configured to regulate a transfer flow rate of a high temperature slurry introduced into the coater supply tank from the first transfer tank, and a transfer flow rate of a low temperature slurry introduced into the coater supply tank from the second transfer tank, respectively; and a control portion for controlling a temperature of the electrode slurry in the coater supply tank.
A battery module of the present disclosure may include: a first group including a plurality of battery cells arranged in a row; a second group spaced apart from the first group and including a plurality of battery cells arranged in a row; a third group including a plurality of battery cells arranged in a row between the first group and the second group; a fourth group spaced apart from the third group and including a plurality of battery cells arranged in a row between the first group and the second group; a fire extinguishing member disposed in a space between the third group and the fourth group; and a case accommodating the first to fourth groups and the fire extinguishing member.
A62C 3/16 - Prévention, limitation ou extinction des incendies spécialement adaptées pour des objets ou des endroits particuliers dans les installations électriques, p. ex. chemins de câbles
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
H01M 50/507 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie comprenant un arrangement de plusieurs barres omnibus réunies dans une structure de conteneur, p. ex. modules de barres omnibus
77.
Secondary Battery and Method for Manufacturing Same
Provided is a secondary battery comprising: an electrode assembly; a battery case which accommodates the electrode assembly; a first electrolyte which is accommodated in the battery case and primarily impregnates the electrode assembly; and a reinforcement electrolyte member which comprises a packaging material and a second electrolyte, wherein the packaging material is accommodated in the battery case and provided with an oxidation part which is oxidized and decomposed at a set voltage, and the second electrolyte is stored in the packaging material, released to the outside of the packaging material due to the decomposition of the oxidation part, and secondarily impregnates the electrode assembly.
H01M 50/178 - Dispositions pour introduire des connecteurs électriques dans ou à travers des boîtiers adaptées à la forme des cellules pour des cellules en forme de poches ou de sacs souples
78.
Method Of Manufacturing An Electrode Comprising A Dry Electrode Film And An Electrode For An Electrochemical Device Therefrom
Disclosed is a method for manufacturing a dry electrode. The method includes buffing the surface of a pre-electrode film formed in a sheet-like shape to remove the surface waviness in the manufacture of an electrode film, and then carrying out a calendering process, thereby ensuring the uniformity of the electrode film thickness and electrode active material density in the electrode film. In other words, it is possible to minimize a deviation in loading amount, porosity and thickness of the electrode depending on the location, and thus to provide improved overall electrochemical performance, including improved battery life characteristics.
B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
A battery submodule may include a plurality of battery cells each having at least one electrode lead protruding toward the front and stacked in the left-right direction; an upper case including a front plate that covers the front side of the plurality of battery cells and a top plate that extends rearward from the front plate and covers the upper side of the plurality of battery cells; and a lower case coupled to the upper case and accommodating the plurality of battery cells together with the upper case.
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
H01M 50/502 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie
H01M 50/569 - Détails de construction des connexions conductrices de courant pour détecter les conditions à l'intérieur des cellules ou des batteries, p. ex. détails des bornes de détection de tension
80.
ELECTRODE ASSEMBLY FOR SECONDARY BATTERY AND BATTERY CELL COMPRISING SAME
The present invention relates to an electrode assembly for a secondary battery and a battery cell comprising same and, more specifically, to an electrode assembly for a secondary battery and a battery cell comprising same, wherein the electrode assembly for a second battery comprises: at least one first electrode including a first electrode current collector and a first electrode tab extending in one direction of the first electrode current collector; at least one second electrode including a second electrode current collector and a second electrode tab extending in one direction of the second electrode; a separator interposed between the first electrode and the second electrode; a first electrode lead electrically connected to the first electrode tab; and a second electrode lead electrically connected to the second electrode tab, wherein the first electrode current collector has a first resin layer interposed between a pair of aluminum layers, and a first metal foil is interposed in at least a partial region in which the first electrode tab and the first electrode lead overlap each other.
Disclosed are an electrode production device and a battery cell including an electrode produced using same, and a battery pack and a vehicle including a battery cell. An electrode production device according to an embodiment of the present invention is an electrode production device which produces an electrode by transferring an electrode foil having a coated part of a coating layer and a non-coated part of a non-coating layer which are formed thereon, the electrode production device including: a transfer unit for transferring the electrode foil; a coated part pressing unit for pressing the coated part of the electrode foil transferred by the transfer unit; and a non-coated part pressing unit which is spaced apart from the coated part pressing unit and presses the non-coated part, wherein a heat supply member for supplying heat to the non-coated part is provided in the non-coated part pressing unit.
B30B 3/04 - Presses caractérisées par l'emploi d'organes de pression rotatifs, p. ex. rouleaux, anneaux, disques les organes rotatifs coopérant entre eux, p. ex. cônes associés
B30B 15/34 - Chauffage ou refroidissement des presses ou des parties de presse
82.
BATTERY PACK AND VEHICLE COMPRISING SAME BATTERY PACK
A battery pack according to an embodiment of the present invention comprises: a plurality of battery cells; a pack case which is configured to accommodate the plurality of battery cells therein and has a venting part configured to discharge gases generated in the battery cells to the outside; and a blocking composite member which is configured to cover at least a portion of the venting part and prevent flames generated within the pack case from being exposed to the outside.
H01M 50/383 - Moyens pare-flammes ou moyens de prévention de l’allumage
H01M 50/30 - Aménagements pour faciliter l’échappement des gaz
H01M 50/358 - Passages externes d’évacuation des gaz sur le couvercle ou sur le boîtier de batterie
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
Disclosed are a battery pack and a vehicle including same. A battery pack according to an embodiment of the present invention comprises: a plurality of battery cells; and a pack case accommodating the plurality of battery cells and having pack venting parts through which a flame or gas is vented, wherein cell venting parts are formed in the battery cells, and the cell venting parts of the battery cells and the pack venting parts of the pack case communicate with each other.
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
H01M 50/375 - Moyens d’évent sensibles à la température
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
H01M 10/6551 - Surfaces spécialement adaptées à la dissipation de la chaleur ou à la radiation, p. ex. nervures ou revêtements
Disclosed are a battery cell and a vehicle including same. The battery cell according to an embodiment of the present invention comprises: an electrode assembly including a first electrode plate having a first polarity, a second electrode plate having a second polarity, and a separator interposed between the first electrode plate and the second electrode plate; an electrode lead connected to the electrode assembly; and a cell case accommodating the electrode assembly, supporting the electrode lead, and having a sealing part and a non-sealing part, wherein the non-sealing part of the cell case has cell venting parts for venting flames or gas.
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
85.
METHOD FOR MANUFACTURING LITHIUM SECONDARY BATTERY
The present invention relates to a method for manufacturing a lithium secondary battery, the method comprising a step (S1) of producing a preliminary-cell which comprises a positive electrode including a positive electrode active material, a negative electrode, a separator, and an electrolyte, and a step (S2) of activating the preliminary-cell by charging the preliminary-cell to a charging cut-off voltage, wherein: the positive electrode active material comprises an overlithiated manganese-based oxide that comprises, among the total metal other than lithium, at least 50 mol% manganese (Mn) and in which the mole ratio (Li/Me) of lithium to the total metal other than lithium is greater than 1; the charging cut-off voltage is greater than 4.3V; and the activation step is performed such that the ratio (B/A) of the charging capacity (B) in a charging cut-off voltage range, from 4.3V, relative to the total charging capacity (A) when the preliminary-cell has been charged to the charging cut-off voltage, is 0.63 or less.
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
The present invention relates to a secondary battery. The secondary battery according to one aspect of the present invention comprises: an electrode; an electrode tab including an extension part that extends outward from the electrode and a tab coupling part that is provided at one side of the extension part in the extension direction; an electrode lead coupled to the tab coupling part so as to electrically connect the electrode to the outside thereof; and an auxiliary connection member coupled to each of the electrode lead and the extension part.
H01M 50/531 - Connexions d’électrodes dans un boîtier de batterie
H01M 50/536 - Connexions d’électrodes dans un boîtier de batterie caractérisées par le procédé de fixation des conducteurs aux électrodes, p. ex. soudage
87.
CATHODE MATERIAL FOR LITHIUM-SULFUR BATTERY AND LITHIUM-SULFUR BATTERY INCLUDING SAME
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY (République de Corée)
Inventeur(s)
Jeong, Yo-Chan
Lee, Jinwoo
Son, Donghyeok
Yang, Seung-Bo
Lee, Chang-Hoon
Han, Seongjun
Abrégé
The present invention relates to: a carbon composite for use in a cathode for a lithium-sulfur battery; and a method for preparing same. The carbon composite comprises: a porous carbon material; and a catalyst positioned on at least one of the outer surface of the porous carbon material and the inner surface of pores thereof, wherein the catalyst includes transition metal alloy particles and a carbon coating layer covering at least a portion of the surface of the transition metal alloy particles, the transition metal alloy particles include cobalt (Co) and iron (Fe), and at least a portion of the carbon coating layer includes crystalline carbon.
An anode for a secondary battery according to the present invention comprises a porous polymer substrate and an anode active material supported in the porous polymer substrate. The porous polymer substrate has a grid structure including line portions and opening portions. Each of the opening portions of the porous polymer substrate is entirely or at least partially filled with the anode active material. The anode active material includes at least one of a lithium metal or a lithium alloy. The anode for a secondary battery comprises a porous polymer substrate having a grid structure, and thus has excellent mechanical strength and can suppress the formation of dendrites on the anode and volume expansion of the anode during charging/discharging.
The present invention provides a lithium secondary battery comprising a cathode, an anode, a separator interposed between the cathode and the anode, and a non-aqueous electrolyte, wherein the anode includes an anode active material, the anode active material includes a silicon-based active material, and the non-aqueous electrolyte includes a lithium salt, fluoroethylene carbonate, 1,2-difluoroethylene carbonate, and a coumarin-based compound of a specific chemical formula.
H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 10/0567 - Matériaux liquides caracterisés par les additifs
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
90.
BATTERY DIAGNOSIS APPARATUS AND OPERATING METHOD THEREOF
A battery diagnosis apparatus according to one embodiment disclosed in the present document may comprise: a communication circuit for acquiring an accumulated driving distance of a vehicle to be diagnosed and accumulated discharge energy of a battery mounted on the vehicle to be diagnosed, and acquiring reference fuel efficiencies of a plurality of vehicles of the same vehicle type as the vehicle to be diagnosed; a first processor for calculating, on the basis of the reference fuel efficiencies, a threshold value, which is a criterion for determining whether to replace the battery; and a second processor for calculating accumulated fuel efficiency on the basis of the accumulated driving distance and the accumulated discharge energy, and diagnosing whether to replace the battery on the basis of the accumulated fuel efficiency and the threshold value.
B60L 58/16 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries en fonction du vieillissement de la batterie, p. ex. du nombre de cycles de charge ou de l'état de santé [SoH]
G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
B60L 3/12 - Enregistrement des paramètres de fonctionnement
An apparatus for inspecting an electrode tab, according to an embodiment of the present invention, may inspect an electrode tab notched on one side, in the width direction, of an electrode sheet. The apparatus for inspecting an electrode tab may include: a detection unit configured to detect an incident laser beam; a laser generation unit configured to emit a laser beam toward the detection unit; and a controller configured to determine whether an electrode tab is defective, on the basis of the result of detection performed by the detection unit when the electrode tab passes by the position where a laser beam incident on the detection unit is blocked.
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
93.
NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY COMPRISING SAME
11 is any one selected from the group consisting of R, a C1-10 alkyl group, which can be substituted with at least one fluorine, a C2-10 alkenyl group, which can be substituted with at least one fluorine, a C2-10 alkynyl group, which can be substituted with fluorine, OR', OCOR', and F, R' is any one selected from the group consisting of a C1-10 alkyl group, which can be substituted with fluorine, a C2-10 alkenyl group, which can be substituted with fluorine, and a C2-10 alkynyl group, which can be substituted with fluorine, and R is a structure represented by chemical formula 2. [Chemical formula 2] In chemical formula 2, each of Rx and Ry is independently either H or F.
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
94.
ELECTRODE MANUFACTURING DEVICE AND ELECTRODE MANUFACTURING METHOD USING SAME
The present invention provides an electrode manufacturing device comprising: an unwinder on which an electrode sheet is wound; a rewinder for recovering and winding the electrode sheet; a plurality of guide rolls configured to guide the movement of the electrode sheet between the unwinder and the rewinder; a rolling mill located between the unwinder and the rewinder and including an upper rolling roll and a lower rolling roll configured to roll the electrode sheet; and a conveyor transfer device configured to move a connection sheet attached to any one of two separated parts of the electrode sheet, wherein the conveyor transfer device is configured to move the connection sheet so that the connection sheet passes through a rolling gap provided between the upper rolling roll and the lower rolling roll.
B65H 23/26 - Positionnement, tension, suppression des à-coups ou guidage des bandes longitudinal par barres ou rouleaux transversaux fixes ou réglables
B30B 3/04 - Presses caractérisées par l'emploi d'organes de pression rotatifs, p. ex. rouleaux, anneaux, disques les organes rotatifs coopérant entre eux, p. ex. cônes associés
95.
INFORMATION COLLECTION DEVICE AND OPERATION METHOD THEREFOR
An information collection device according to an embodiment disclosed in the present document comprises: a controller comprising a signal transmission port and a signal reception port; and a plurality of sensors connected to the signal transmission port and the signal reception port, wherein the controller can sequentially transmit and receive a wake-up signal, a transmission signal, and a reception signal to and from each of the plurality of sensors through the signal transmission port or the signal reception port.
The technical idea of the present invention provides a code reader comprising: a vision device configured to recognize an identification code of an article; a lower frame provided below the vision device and providing a passage through which the article moves; an alignment jig detachably mounted on the lower frame and accommodated in the passage of the lower frame; and a fixed holder positioned at a reference position, wherein the alignment jig is inserted into the fixed holder, and thus the vision device is aligned at the reference position.
G06K 7/10 - Méthodes ou dispositions pour la lecture de supports d'enregistrement par radiation électromagnétique, p. ex. lecture optiqueMéthodes ou dispositions pour la lecture de supports d'enregistrement par radiation corpusculaire
G06K 7/14 - Méthodes ou dispositions pour la lecture de supports d'enregistrement par radiation électromagnétique, p. ex. lecture optiqueMéthodes ou dispositions pour la lecture de supports d'enregistrement par radiation corpusculaire utilisant la lumière sans sélection des longueurs d'onde, p. ex. lecture de la lumière blanche réfléchie
A negative electrode composition, a negative electrode for a lithium secondary battery, comprising same, a lithium secondary battery, and a preparation method for the negative electrode composition are provided. The negative electrode composition comprises a silicon-carbon composite, graphite, and a negative electrode conductive agent, wherein the BET specific surface area of the silicon-carbon composite is larger than the BET specific surface area of the graphite.
A current collector, which electrically connects an electrode assembly and a battery housing included in a cylindrical battery, is provided. The current collector includes a loop-shaped portion configured to surround a periphery of a central axis of the electrode assembly to define an opening region that exposes the first electrode tab; a tab coupling portion configured to extend toward the opening region from an inner side of the loop-shaped portion adjacent to the opening region and coupled with the first electrode tab exposed through the opening region; and a housing coupling portion configured to extend toward the inner circumference of the battery housing from an outer side of the loop-shaped portion and coupled with the battery housing.
H01M 50/107 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique ayant une section transversale courbe, p. ex. ronde ou elliptique
H01M 50/152 - Couvercles caractérisés par leur forme pour des cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 50/167 - Couvercles caractérisés par le procédé d’assemblage des boîtiers avec des couvercles par sertissage
H01M 50/186 - Éléments de scellement caractérisés par la position des éléments de scellement
H01M 50/536 - Connexions d’électrodes dans un boîtier de batterie caractérisées par le procédé de fixation des conducteurs aux électrodes, p. ex. soudage
99.
SEPARATOR FOR ELECTROCHEMICAL DEVICE, MANUFACTURING METHOD THEREFOR, AND ELECTROCHEMICAL DEVICE INCLUDING SAME
Disclosed is a separator for an electrochemical device capable of securing peel strength between a porous polymer substrate and an organic and inorganic composite porous layer and having excellent heat resistance. A manufacturing method thereof and an electrochemical device equipped with the separator are also disclosed. The separator according to one embodiment includes a porous polymer substrate and an organic and inorganic composite porous layer on at least one surface of the porous polymer substrate. The organic and inorganic composite porous layer includes inorganic particles and a particulate acrylic binder polymer, in which the particulate acrylic binder polymer has a crosslinked structure mediated by a benzophenone functional group.
H01M 50/446 - Matériau composite constitué d’un mélange de matériaux organiques et inorganiques
H01M 50/451 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches comprenant des couches de matériau organique uniquement et des couches comprenant un matériau inorganique
H01M 50/489 - Séparateurs, membranes, diaphragmes ou éléments d’espacement dans les cellules caractérisés par leurs propriétés physiques, p. ex. degré de gonflement, hydrophilicité ou propriétés pour court-circuiter
100.
EXCHANGEABLE MARINE ENERGY STORAGE SYSTEM AND CONTROL METHOD THEREOF
There is disclosed an exchangeable marine energy storage system including a mobile battery configured to be used as a power source of the operating ship after replaced with a mounted battery mounted on an operating ship; a mobile charging ship configured to move in a state of loading the mobile battery; and a charging station configured to float on the sea together with the mobile charging ship and charge the mobile battery loaded on the mobile charging ship by using generated electricity.
