The present invention relates to a method for purifying hydrogen peroxide and hydrogen peroxide purified thereby, and, more specifically, to a method for purifying hydrogen peroxide and hydrogen peroxide purified thereby, the method comprising purifying high-concentration hydrogen peroxide, which contains a high amount of impurities, as a concentrated by-product of a vacuum distillation device so as to obtain high-purity hydrogen peroxide in a high yield, and preventing the explosion and decomposition of hydrogen peroxide during purification.
The present invention relates to a silicon-carbon composite for a secondary battery negative electrode material, and a method for preparing same, the silicon-carbon composite being capable of improving the initial discharge capacity (IDC), initial efficiency (ICE), and lifespan characteristics of a secondary battery. Specifically, the present invention may provide a silicon-carbon composite and a secondary battery negative electrode material comprising same, wherein the silicon-carbon composite is formed from a silicon-pitch composite comprising nano-silicon particles and high softening point pitch, the average particle diameter (D50) of the nano-silicon particles is 150 nm or less, the softening point of the high softening point pitch is 200-300° C., and the average particle diameter (D50) of the high softening point pitch is 0.5-2 μm.
The present invention relates to a method for controlling physical properties of a silicon nitride substrate, and more specifically, the method comprises the steps of: producing a silicon nitride substrate; and adjusting a residual magnesium content in the silicon nitride substrate. The thermal conductivity of the silicon nitride substrate is inversely proportional to the residual magnesium content in the silicon nitride substrate, and the flexural strength of the silicon nitride substrate is proportional to the residual magnesium content in the silicon nitride substrate.
C04B 35/584 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de borures, nitrures ou siliciures à base de nitrure de silicium
B28B 3/12 - Fabrication d'objets façonnés en utilisant des pressesPresses spécialement adaptées à ce travail dans laquelle un ou plusieurs cylindres exercent une pression sur le matériau
C01B 32/05 - Préparation ou purification du carbone non couvertes par les groupes , , ,
C01B 33/027 - Préparation par décomposition ou réduction de composés de silicium gazeux ou vaporisés autres que la silice ou un matériau contenant de la silice
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
5.
SILICON-BASED ANODE MATERIAL CONTAINING HIGH CONTENT OF SILICON, AND SECONDARY BATTERY COMPRISING SAME
The present invention relates to a silicon-based anode material and a secondary battery comprising same. The silicon-based anode material comprises: a carbon-based structural reinforcing body; and silicon particles bonded to the carbon-based structural reinforcing body, wherein the amount of silicon elements is 80-99 wt% and the amount of carbon elements is 1-20 wt% on the basis of the total weight of the silicon-based anode material, and the crystallite size of the silicon particles is 60 nm or less.
H01M 4/134 - Électrodes à base de métaux, de Si ou d'alliages
H01M 4/133 - Électrodes à base de matériau carboné, p. ex. composés d'intercalation du graphite ou CFx
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples 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 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
The present invention relates to a silicon-carbon composite, and an anode active material for a secondary battery, comprising same. More specifically, the present invention relates to a silicon-carbon composite, and an anode active material for a secondary battery, comprising same, the silicon-carbon composite, in which the size of a silicon cluster is controlled by carbon atoms, being used as an anode active material for a secondary battery so as to minimize a change in volume of the anode active material and inhibit side reactions, thereby enabling the lifespan of a secondary battery to be improved.
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 4/587 - 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
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
7.
SILICON-CARBON COMPOSITE FOR ANODE MATERIAL OF SECONDARY BATTERY, AND PREPARING METHOD FOR SAME
The present invention relates to a silicon-carbon composite for an anode material of a secondary battery, and a preparing method for same, and, more specifically, to a silicon-carbon composite for an anode material of a secondary battery, and a preparing method for same, the composite being capable of improving, when applied as an anode material, the characteristics of a secondary battery by minimizing the volume change of silicon particles during charging and discharging of the secondary battery.
C01B 32/05 - Préparation ou purification du carbone non couvertes par les groupes , , ,
C01B 33/027 - Préparation par décomposition ou réduction de composés de silicium gazeux ou vaporisés autres que la silice ou un matériau contenant de la silice
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 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
8.
ETCHANT COMPOSITION, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE USING THE SAME, AND SEMICONDUCTOR DEVICE
Samsung Electronics Co., Ltd. (République de Corée)
OCI Company Ltd. (République de Corée)
Inventeur(s)
Kim, Sangwan
Ro, Geonmin
Song, Gayoung
Yoo, Younsug
Oh, Jungmin
Chang, Wook
Bae, Sangwon
Abrégé
A method of manufacturing a semiconductor device may include preparing a semiconductor structure; forming a slit recessed downward in a vertical direction from a top surface of the semiconductor structure, wherein a length of the slit in the vertical direction may be greater than a width of the slit in a horizontal direction; forming a conductive layer filling at least a portion of the slit, wherein the conductive layer may include titanium nitride, and a seam may be included in the conductive layer; and performing a first etching process using an etchant composition to etch the conductive layer. A conductive pattern may be formed inside the slit from the conductive layer due to the first etching process. The oxidizing agent may include periodic acid. The additive may include nitric acid, acetic acid, or a combination thereof.
H01L 21/3213 - Gravure physique ou chimique des couches, p. ex. pour produire une couche avec une configuration donnée à partir d'une couche étendue déposée au préalable
H01L 29/66 - Types de dispositifs semi-conducteurs
9.
NEGATIVE ELECTRODE MATERIAL FOR SECONDARY BATTERY AND PREPARATION METHOD THEREFOR
Disclosed are a negative electrode material for a secondary battery, capable of improving initial discharge capacity, initial efficiency, and lifespan characteristics of the secondary battery, and a preparation method therefor. In the negative electrode material for a secondary battery comprising an active material, a conductor, and a binder according to the present invention, the active material comprises a silicon oxide composite having a surface coated with carbon, and the silicon oxide composite comprises silicon oxide (SiOx, 0.5
The present invention provides a reactor capable of performing a continuous process. The reactor capable of performing a continuous process comprises: a reactor body part which is provided in a horizontal direction, has a reaction space formed therein, and is exposed to a heating temperature set from the outside; a reactive gas supply part for supplying one or a plurality of reactive gases to the reaction space through one end of the reactor body part; a powder supply part which is connected to the circumference of the reactor body part and supplies powder to the reaction space of the reactor body part; a screw part, opposite ends of which are rotatably supported by the reaction space, and which is rotated by power provided from the outside, to continuously mix the powder and the reactive gas supplied to the reaction space and thus generate and transfer a reactant thereof, along the axial direction from one side of the reaction space to the other side thereof; a rotation part for rotating the screw part; and a discharge part formed on the lower end of the other end side of the reactor body part and discharging the transferred reactant. In addition, the present invention provides a silicon-based negative electrode material manufacturing facility.
B01J 19/20 - Réacteurs fixes avec éléments internes mobiles en forme d'hélice, p. ex. réacteurs à vis
B01J 19/10 - Procédés utilisant l'application directe de l'énergie ondulatoire ou électrique, ou un rayonnement particulaireAppareils à cet usage utilisant des vibrations de fréquences audibles ou des ultrasons
11.
SILICON-CARBON COMPOSITE FOR NEGATIVE ELECTRODE ACTIVE MATERIAL OF SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND NEGATIVE ELECTRODE ACTIVE MATERIAL COMPRISING SAME OF SECONDARY BATTERY
The present invention relates to a silicon-carbon composite for negative electrode active material of a secondary battery, a method for producing the silicon-carbon composite, and negative electrode active material comprising same of a secondary battery, more specifically to a silicon-carbon composite, for negative electrode active material of a secondary battery, allowing secondary battery properties to be improved when used as negative electrode active material due to the minimized change in volume of the silicon particles during secondary battery charging and discharging, and to a method for producing the silicon-carbon composite.
C01B 32/318 - Préparation caractérisée par les matières de départ
C01B 32/33 - Préparation caractérisée par les matières de départ à partir de résidus de distillation de charbon ou de pétrolePréparation caractérisée par les matières de départ à partir de boue acide de pétrole
C01B 33/035 - Préparation par décomposition ou réduction de composés de silicium gazeux ou vaporisés autres que la silice ou un matériau contenant de la silice par décomposition ou réduction de composés de silicium gazeux ou vaporisés en présence de filaments chauffés de silicium, de carbone ou d'un métal réfractaire, p. ex. de tantale ou de tungstène, ou en présence de tiges de silicium chauffées sur lesquelles le silicium formé se dépose avec obtention d'une tige de silicium, p. ex. procédé Siemens
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
The present invention provides a continuous substrate processing apparatus. The continuous substrate processing apparatus comprises: a substrate input unit which is provided at a main body, and which inputs substrates having, on each of the two surfaces thereof, a surface treatment target area and an edge area that surrounds the surface treatment target area; a transfer unit for transferring, in an upright state, along a set transfer path, the substrates input through the substrate input unit; an abrasive spray unit which is provided on the main body so as to be arranged on both sides of the transfer path, and which sprays a fine abrasive at the transferred substrates so as to grind the surface treatment target area of each of the two surfaces of the substrates; and a grinding control unit, which has a preset target grinding thickness, measures the thickness of each of the ground substrates, and controls the spray pressure of the fine abrasive sprayed through the abrasive spray unit so that the measured thickness reaches the target grinding thickness.
H05K 3/38 - Amélioration de l'adhérence entre le substrat isolant et le métal
H05K 3/00 - Appareils ou procédés pour la fabrication de circuits imprimés
B24C 7/00 - Équipement d'alimentation en matériau abrasifCommande de l'écoulement de la composition ou des autres caractéristiques physiques du jet abrasif
The present invention relates to a method and an apparatus for manufacturing silicon microparticles and silicon microparticles manufactured thereby. More specifically, the present invention relates to a method and an apparatus capable of manufacturing silicon particles having a controlled grain size, a spherical shape, and a size of several micrometers (㎛), and to silicon microparticles manufactured thereby.
C01B 33/029 - Préparation par décomposition ou réduction de composés de silicium gazeux ou vaporisés autres que la silice ou un matériau contenant de la silice par décomposition de monosilane
C01B 33/023 - Préparation par réduction de silice ou d'un matériau contenant de la silice
14.
HIGHLY CONDUCTIVE CARBON BLACK POWDER AND MANUFACTURING METHOD THEREOF
Disclosed are a highly conductive carbon black powder having excellent processability and dispersibility and clearly reducing grit, which is an impurity, and a manufacturing method thereof. To this end, the highly conductive carbon black powder and the manufacturing method thereof according to the present invention introduce a feedstock two-stage spray method to produce carbon black so as to have a wide aggregate size distribution (ASD), thereby improving dispersibility and processability without deteriorating the conductivity of the carbon black powder.
Disclosed are a high-quality carbon black powder using general carbon black and recycled carbon black, and a method for manufacturing same. More specifically, disclosed are a high-quality carbon black powder using general carbon black and recycled carbon black, and a method for manufacturing same, in which general carbon black and recycled carbon black are mixed and efficiently pelletized to improve productivity, reduce production process costs, and enhance product quality, thereby securing economic feasibility.
C09C 1/60 - Agglomération, granulation ou similaires par voie sèche
C09C 3/04 - Traitement physique, p. ex. broyage, traitement par des vibrations ultrasoniques
16.
METHOD FOR MEASURING THERMAL DIFFUSIVITY OF SILICON NITRIDE HEAT DISSIPATION SUBSTRATE SPECIMEN AND SILICON NITRIDE HEAT DISSIPATION SUBSTRATE SPECIMEN MEASURED USING SAME
Disclosed are: a method for measuring the thermal diffusivity of a silicon nitride heat dissipation substrate specimen; and a silicon nitride heat dissipation substrate specimen measured using the method, wherein the method can improve measurement reliability by limiting thermal diffusivity measurement to horizontal (in-plane) thermal diffusivity measurement, when using a silicon nitride heat dissipation substrate characterized by a small thickness as a specimen, on the basis of having identified differences between thermal diffusivity analysis methods depending on thickness. The method for measuring the thermal diffusivity of a silicon nitride heat dissipation substrate specimen according to the present invention comprises the steps of: (a) preparing a silicon nitride heat dissipation substrate specimen by cutting a silicon nitride heat dissipation substrate; (b) measuring the thickness of the silicon nitride heat dissipation substrate specimen; (c) measuring the thermal diffusion coefficient using the horizontal (in-plane) thermal diffusivity measurement method if the measured silicon nitride heat dissipation substrate specimen is determined to have a thickness that is less than a set thickness; and (d) calculating the thermal conductivity using the measured thermal diffusion coefficient.
G01N 25/18 - Recherche ou analyse des matériaux par l'utilisation de moyens thermiques en recherchant la conductivité thermique
G01N 1/28 - Préparation d'échantillons pour l'analyse
G01B 21/08 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
17.
PREPARING METHOD OF BLENDED BINDER PITCH, AND BINDER PITCH PREPARED THEREBY
The present invention relates to a preparing method of a blended binder pitch and, more specifically, to: a method and a blended binder pitch prepared thereby, the method using petroleum pitch, thereby enabling a blended binder pitch to be efficiently and economically prepared with high process controllability, the blended binder pitch being a product with physical properties most similar to those of commercially used coal tar binder pitch so as to replace same.
A method for preparing diiodosilane, according to one aspect of the present invention, may comprise: a step of injecting an iodine source into a reaction vessel; a step of injecting an inert gas into the reaction vessel and purging same; a first synthesis step of adding a non-coordinating solvent and an ethylene diamine-based catalyst to the reaction vessel, and then stirring same to synthesize a reaction solution; a second synthesis step of maintaining the temperature inside the reaction vessel at a predetermined temperature, injecting dichlorosilane (DCS) into the reaction solution for a predetermined period of time, and then stirring same to increase the yield; a step of filtering out solids from the reaction solution and washing same; and a step of concentrating and reducing the pressure of the reaction filtrate obtained after the washing step, thereby recovering diiodosilane, and can prepare diiodosilane with high yield and/or high purity at low cost.
The present invention relates to a method for efficiently producing silicon nanoparticles having a controlled particle size, with a minimal content of impurities such as metal and oxygen. Specifically, the present invention may provide a method for producing silicon nanoparticles, wherein polysilicon fine powder is used as a raw material, whereby the silicon nanoparticles have particle sizes of 80 nm
The present invention relates to a method for manufacturing a ceramic green sheet and a ceramic green sheet manufactured thereby, the method comprising the steps of: manufacturing a ceramic slurry by mixing ceramic powder, a binder, and an organic solvent; defoaming the ceramic slurry to adjust viscosity; and forming the defoamed ceramic slurry into a sheet.
B28B 17/02 - Conditionnement du matériau avant façonnage
B28B 1/16 - Fabrication d'objets façonnés à partir du matériau par simple coulée, le matériau n'étant ni alimenté sous pression, ni réellement compacté pour la fabrication d'objets stratifiés
C04B 35/584 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de borures, nitrures ou siliciures à base de nitrure de silicium
C04B 35/626 - Préparation ou traitement des poudres individuellement ou par fournées
21.
LAMINATE STRUCTURE FOR MANUFACTURING SILICON NITRIDE SUBSTRATE, METHOD FOR MANUFACTURING SILICON NITRIDE SUBSTRATE HAVING REDUCED WARPAGE, AND SILICON NITRIDE SUBSTRATE MANUFACTURED THEREBY
Provided is a laminate structure for manufacturing a silicon nitride substrate, comprising: an upper plate; a lower plate; and at least one silicon nitride laminate sheet interposed between the upper plate and the lower plate, wherein the silicon nitride laminate sheet comprises one or a plurality of laminated silicon nitride sheets, and spherical boron nitride is coated on at least one surface of the silicon nitride laminate sheet.
B32B 9/00 - Produits stratifiés composés essentiellement d'une substance particulière non couverte par les groupes
B32B 18/00 - Produits stratifiés composés essentiellement de céramiques, p. ex. de produits réfractaires
C04B 35/584 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de borures, nitrures ou siliciures à base de nitrure de silicium
C04B 35/583 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de borures, nitrures ou siliciures à base de nitrure de bore
B28B 1/16 - Fabrication d'objets façonnés à partir du matériau par simple coulée, le matériau n'étant ni alimenté sous pression, ni réellement compacté pour la fabrication d'objets stratifiés
B28B 11/10 - Appareillages ou procédés pour le traitement ou le travail des objets façonnés pour façonner des surfaces, p. ex. replanissage, bouchardage, gaufrage, rainurage en utilisant des presses
B28B 11/24 - Appareillages ou procédés pour le traitement ou le travail des objets façonnés pour faire prendre ou durcir
22.
GREEN SHEET, METHOD OF MANUFACTURING SILICON NITRIDE SUBSTRATE WITH REDUCED WARPAGE, AND SILICON NITRIDE SUBSTRATE MANUFACTURED THEREBY
The present invention relates to a green sheet, a method of manufacturing a silicon nitride substrate with reduced warpage, and a silicon nitride substrate manufactured thereby, and provides a green sheet comprising a silicon nitride sheet layer and a boron nitride sheet layer laminated on one or both surfaces of the silicon nitride sheet layer.
B32B 9/00 - Produits stratifiés composés essentiellement d'une substance particulière non couverte par les groupes
B32B 18/00 - Produits stratifiés composés essentiellement de céramiques, p. ex. de produits réfractaires
C04B 35/584 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de borures, nitrures ou siliciures à base de nitrure de silicium
C04B 35/583 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de borures, nitrures ou siliciures à base de nitrure de bore
B28B 1/16 - Fabrication d'objets façonnés à partir du matériau par simple coulée, le matériau n'étant ni alimenté sous pression, ni réellement compacté pour la fabrication d'objets stratifiés
B28B 11/10 - Appareillages ou procédés pour le traitement ou le travail des objets façonnés pour façonner des surfaces, p. ex. replanissage, bouchardage, gaufrage, rainurage en utilisant des presses
B28B 11/24 - Appareillages ou procédés pour le traitement ou le travail des objets façonnés pour faire prendre ou durcir
The present invention relates to an etching solution composition containing 5-30 wt% of an oxidizing agent, 0.01-10 wt% of a pH control agent, 0.01-10 wt% of an etching rate enhancer, and 0.01-10 wt% of an etching additive on the basis of 100 wt% in total of the etching solution composition, with the remainder being a solvent, wherein the etching additive includes at least one of an azole-based compound or a chelating agent.
C09K 13/06 - Compositions pour l'attaque chimique, la gravure, le brillantage de surface ou le décapage contenant un acide inorganique avec une substance organique
H01L 21/306 - Traitement chimique ou électrique, p. ex. gravure électrolytique
24.
NEGATIVE ELECTRODE MATERIAL FOR SECONDARY BATTERY, AND PREPARATION METHOD THEREOF
The present invention provides a method for preparing a negative electrode material for a secondary battery, comprising a high-quality nano-silicon-carbon composite material formed by uniformly and densely coating the surface of nano-silicon particles with a pitch. Further, the present invention provides a negative electrode material, for a secondary battery, prepared by the method for preparing the negative electrode material for a secondary battery, and a secondary battery comprising same, in order to enhance the initial discharge capacity, initial efficiency, and life characteristics of the secondary battery.
The present invention relates to a silicon powder for thermal spraying and a method for manufacturing same and, more specifically, to a silicon powder for thermal spraying, which is used to form a coating layer for realizing wear-resistant, corrosion-resistant, and anti-fouling properties in a device such as a reactor used in a semiconductor manufacturing process, and a method for manufacturing same.
C01B 33/18 - Préparation de silice finement divisée ni sous forme de sol ni sous forme de gelPost-traitement de cette silice
C23C 4/04 - Revêtement par pulvérisation du matériau de revêtement à l'état fondu, p. ex. par pulvérisation à l'aide d'une flamme, d'un plasma ou d'une décharge électrique caractérisé par le matériau de revêtement
B02C 17/10 - Désagrégation au tonneau, c.-à-d. par des appareils constitués par une cuve où les produits à désagréger sont chargés, avec ou sans éléments particuliers de désagrégation tels que billes ou boulets avec un petit nombre d'organes de désagrégation disposés sur la cuve
B02C 19/06 - Appareils utilisant un courant de fluides
B02C 4/00 - Broyage ou désagrégation par broyeurs cylindriques
B02C 23/16 - Séparation ou triage de matériaux, associé au broyage ou à la désagrégation au moyen d'un séparateur délimitant la fin de la zone de broyage ou de désagrégation, p. ex. au moyen d'un tamis empêchant la sortie des matériaux hors dimension
26.
ANODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME
According to a method for manufacturing an anode active material for a secondary battery of the present invention, in manufacturing an anode active material for a secondary battery, having: i) a structure in which a pitch coating layer is formed on a composite material comprising nano silicon and amorphous carbon; or ii) a structure of a graphite core and a nano silicon-pitch shell surrounding the core, a pitch coating layer is formed by using two types of solvent, thereby improving uniformity and density of the pitch coating layer. In addition, an anode material for a secondary battery, comprising the anode active material for a secondary battery of the present invention, can improve initial discharge capacity, initial coulombic efficiency, and cycle life characteristics of a secondary battery.
The present invention relates to a silicon-carbon composite for an anode material of a secondary battery and a method for manufacturing same and, more specifically, to a silicon-carbon composite for an anode material of a secondary battery and a method for manufacturing same, wherein when applied as an anode material, the silicon-carbon composite is capable of improving characteristics of a secondary battery by minimizing a volume change of silicon particles during charging and discharging processes of the secondary battery.
C01B 32/318 - Préparation caractérisée par les matières de départ
C01B 32/33 - Préparation caractérisée par les matières de départ à partir de résidus de distillation de charbon ou de pétrolePréparation caractérisée par les matières de départ à partir de boue acide de pétrole
C01B 33/035 - Préparation par décomposition ou réduction de composés de silicium gazeux ou vaporisés autres que la silice ou un matériau contenant de la silice par décomposition ou réduction de composés de silicium gazeux ou vaporisés en présence de filaments chauffés de silicium, de carbone ou d'un métal réfractaire, p. ex. de tantale ou de tungstène, ou en présence de tiges de silicium chauffées sur lesquelles le silicium formé se dépose avec obtention d'une tige de silicium, p. ex. procédé Siemens
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 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
28.
SILICON-CARBON COMPOSITE FOR SECONDARY BATTERY NEGATIVE ELECTRODE MATERIAL, AND METHOD FOR PREPARING SAME
The present invention relates to a silicon-carbon composite for a negative electrode material of a secondary battery and a method for manufacturing same and, more specifically, to a silicon-carbon composite for a negative electrode material of a secondary battery and a method for efficiently manufacturing the same, wherein when applied as a negative electrode material, the silicon-carbon composite for a negative electrode material of a secondary battery is capable of improving characteristics of a secondary battery by minimizing a volume change of silicon particles during charging and discharging processes of a secondary battery.
The present invention relates to a highly dispersed fumed silica and a method for producing same and, more specifically, to a highly functional fumed silica and a method for producing same, wherein the fumed silica, when mixed with an adhesive composition, has a particle size and particle size uniformity sufficient to exhibit high dispersibility, while imparting both a thickening effect and thixotropy.
Samsung Electronics Co,. Ltd. (République de Corée)
OCI Company Ltd. (République de Corée)
Inventeur(s)
Song, Gayoung
Oh, Jung-Min
Kwon, Tae Soo
Lee, Jun-Eun
Bae, Sang Won
Sung, Minjae
Yoo, Youn Sug
Chang, Wook
Abrégé
A titanium nitride etchant composition and a method of forming a semiconductor device using the same are provided. The titanium nitride etchant composition includes hydrogen peroxide, phosphoric acid, and an amine compound, wherein the amine compound includes two or more nitrogen atoms.
C09K 13/06 - Compositions pour l'attaque chimique, la gravure, le brillantage de surface ou le décapage contenant un acide inorganique avec une substance organique
H01L 21/3213 - Gravure physique ou chimique des couches, p. ex. pour produire une couche avec une configuration donnée à partir d'une couche étendue déposée au préalable
H01L 21/768 - Fixation d'interconnexions servant à conduire le courant entre des composants distincts à l'intérieur du dispositif
31.
POST-TREATMENT METHOD FOR CARBON BLACK AND CARBON BLACK POST-TREATED THEREBY
The present invention relates to a post-treatment method for carbon black and carbon black post-treated thereby and, more specifically, to a post-treatment method for wet-pelleted furnace carbon black, carbon black post-treated thereby, and use thereof.
The present invention relates to a regenerating method of an electrodeionization system and to a method for purifying hydrogen peroxide by using same. More specifically, the method comprises the steps of: stopping operation of the electrodeionization system used for purification of hydrogen peroxide; performing electrical regeneration while introducing ultrapure water into the electrodeionization system; and purifying hydrogen peroxide by restarting the electrodeionization system. The electrical regeneration is performed at a current density of 30 A/m2to 100 A/m2.
B01D 61/48 - Appareils à cet effet ayant un ou plusieurs compartiments remplis d'un matériau échangeur d'ions
C02F 1/469 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par séparation électrochimique, p. ex. par électro-osmose, électrodialyse, électrophorèse
The present invention pertains to a method for purifying hydrogen peroxide. More specifically, the method comprises the steps of: regenerating an adsorption resin of a primary purification system by means of an acidic solution, a basic solution, or a combination thereof; purifying a crude product of hydrogen peroxide by means of the adsorption resin of the primary purification system; and purifying the primary purified hydrogen peroxide solution by means of a secondary purification system. The secondary purification system includes an electrodeionization system, and the adsorption resin removes organic carbon and cations in the crude product of hydrogen peroxide.
B01D 61/48 - Appareils à cet effet ayant un ou plusieurs compartiments remplis d'un matériau échangeur d'ions
C02F 1/469 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par séparation électrochimique, p. ex. par électro-osmose, électrodialyse, électrophorèse
34.
HIGHLY CRYSTALLINE CARBON BLACK AND PREPARATION METHOD THEREFOR
The present invention relates to a highly crystalline carbon black and a preparation method therefor and, more specifically, to a highly crystalline carbon black and a preparation method therefor, wherein the carbon black can be used as a fuel cell catalyst carrier requiring a high level of durability and a conductive material for various batteries including secondary batteries. More specifically, the present invention provides: a highly crystalline carbon black having a crystallite size Lc of 4.0 nm or more, a specific surface area (BET) of 50-150 m2/g, and an oil absorption number (OAN) of 150 ml/100 g or more; and a preparation method therefor.
A method for producing a petroleum-based high-softening-point pitch, according to the present invention, may comprise: a step of preparing a mixed raw material by mixing petroleum-based residue with an asphaltene extract; an oxidation heat treatment step of charging the mixed raw material with an oxidizing gas and heating same; and a vacuum heat treatment step of heating a resultant obtained in the oxidation heat treatment step under a vacuum condition, wherein the asphaltene extract may comprise 30-100 wt% of an asphaltene component with respect to 100 wt% of the total weight thereof, and the high-softening-point pitch may have a softening point of 150-300 °C.
The present invention relates to a silicon-carbon composite for a secondary battery negative electrode material, and a method for preparing same, the silicon-carbon composite being capable of improving the initial discharge capacity (IDC), initial efficiency (ICE), and lifespan characteristics of a secondary battery. Specifically, the present invention may provide a silicon-carbon composite and a secondary battery negative electrode material comprising same, wherein the silicon-carbon composite is formed from a silicon-pitch composite comprising nano-silicon particles and high softening point pitch, the average particle diameter (D50) of the nano-silicon particles is 150 nm or less, the softening point of the high softening point pitch is 200-300°C, and the average particle diameter (D50) of the high softening point pitch is 0.5-2㎛.
Provided are a method for preparing silicon microparticles, and silicon microparticles prepared thereby, the method comprising the steps of: causing a silane gas mixture to flow into a reactor; and decomposing the silane gas mixture in the reactor, thereby preparing silicon microparticles, wherein the silane gas mixture includes a first silane gas and a second silane gas, and the decomposition temperature of the first silane gas is lower than the decomposition temperature of the second silane gas.
C01B 33/027 - Préparation par décomposition ou réduction de composés de silicium gazeux ou vaporisés autres que la silice ou un matériau contenant de la silice
C01B 33/03 - Préparation par décomposition ou réduction de composés de silicium gazeux ou vaporisés autres que la silice ou un matériau contenant de la silice par décomposition d'halogénures de silicium ou de silanes halogénés ou réduction de ceux-ci avec de l'hydrogène comme seul agent réducteur
38.
METHOD FOR PRODUCING PETROLEUM-BASED HIGH SOFTENING POINT PITCH
A method for producing a petroleum-based high softening point pitch according to the present invention comprises: an oxidation heat treatment step for charging a raw material comprising petroleum residue with an oxidizing gas and heating same; and a reduced pressure heat treatment step for heating the product of the oxidation heat treatment step under reduced pressure conditions, wherein the petroleum residue has an aromatization index value of at least 0.73, and the boiling point of the petroleum residue when 70 vol% has been distilled on a distillation curve measured according to the method of ASTM D86 is at least 300°C. In the reduced pressure heat treatment step, the rate of increase of the softening point of the product of the oxidation heat treatment step while 1/3 of the total reduced pressure heat treatment reaction time passes may be 10-20°C/h, and the produced high softening point pitch may have a softening point of 150-300°C and a coking value of 58-85 wt%.
A method for producing petroleum-based high-softening point pitch of the present invention comprises: an oxidation heat treatment step of introducing an oxidizing gas to a raw material containing petroleum-based residues, followed by heating; and a reduced-pressure heat treatment step of heating the resultant product of the oxidation heat treatment step under reduced-pressure conditions, wherein the oxidation heat treatment step is performed in an oxidation heat treatment apparatus satisfying the following condition (1). Condition (1): 40 ≤ D1/D2 ≤ 100 (where, D1 represents the diameter of an oxidation reactor; and D2 represents the diameter of a flow duct for introducing the oxidizing gas)
A method for storing petroleum-based high-softening-point pitch, of the present invention, comprises the steps of: (a) injecting petroleum-based high-softening-point pitch into a storage tank; and (b) storing the petroleum-based high-softening-point pitch, wherein the softening point of the petroleum-based high-softening-point pitch is 150-300°C, and step (b) comprises (b-1) a process of periodically charging an inert gas into the petroleum-based high-softening-point pitch and/or (b-2) a process of stirring the petroleum-based high-softening-point pitch.
The present invention relates to a method for controlling physical properties of a silicon nitride substrate, and more specifically, the method comprises the steps of: producing a silicon nitride substrate; and controlling the remaining quantity of magnesium in the silicon nitride substrate. The thermal conductivity of the silicon nitride substrate is inversely proportional to the remaining quantity of magnesium in the silicon nitride substrate, and the flexural strength of the silicon nitride substrate is proportional to the remaining quantity of magnesium in the silicon nitride substrate.
C04B 35/584 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de borures, nitrures ou siliciures à base de nitrure de silicium
The present invention relates to a method for analyzing a silicon nitride substrate. More specifically, the method comprises: a step for manufacturing a silicon nitride substrate; a step for manufacturing an analysis sample by cutting the silicon nitride substrate; a step for polishing an analysis cross section of the analysis sample; a step for immersing the analysis cross section of the analysis sample in a hydrofluoric acid solution; and a step for analyzing the analysis cross section of the analysis sample using a scanning electron microscope.
G01N 23/2251 - 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 mesurant l'émission secondaire de matériaux en utilisant des microsondes électroniques ou ioniques en utilisant des faisceaux d’électrons incidents, p. ex. la microscopie électronique à balayage [SEM]
G01N 23/2202 - Préparation d’échantillons à cet effet
G01N 23/2206 - Combinaison de plusieurs mesures, l'une au moins étant celle d’une émission secondaire, p. ex. combinaison d’une mesure d’électrons secondaires [ES] et d’électrons rétrodiffusés [ER]
G01N 1/28 - Préparation d'échantillons pour l'analyse
H01J 37/244 - DétecteursComposants ou circuits associés
H01J 37/28 - Microscopes électroniques ou ioniquesTubes à diffraction d'électrons ou d'ions avec faisceaux de balayage
The present invention relates to a regeneration method for a silicon nitride substrate. More specifically, the regeneration method comprises: classifying substandard substrates among manufactured silicon nitride substrates; and performing a re-sintering process on the substandard substrates. The re-sintering process is performed at a temperature of 1600-1900 ℃, and may improve the thermal conductivity of the substandard substrates by 10-30 %.
C04B 35/584 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de borures, nitrures ou siliciures à base de nitrure de silicium
The present invention relates to a method for purifying hydrogen peroxide, and more particularly, to a method including purifying a crude product of hydrogen peroxide using a primary purification system, and purifying a primarily purified hydrogen peroxide solution using a secondary purification system. One of the primary purification system and the secondary purification system includes an electrodeionization system, and the other one of the primary purification system and the secondary purification system includes at least one from among a distillation system, a resin system, a reverse osmosis system, and a combination system thereof.
Provided is a heat insulation container comprising: an inner container providing a storage space; an outer container surrounding the inner container; and a heat insulation cover coupled to the inner container and the outer container. A portion of one surface, that is, the front surface, of the inner container is open such that the storage space is connected to the outer space, and a portion of one surface, that is, the front surface, of the outer container is open such that the storage space is connected to the outer space. The front surface of the outer container overlaps with the front surface of the inner container, and the heat insulation cover is coupled to the front surface of the inner container and the front surface of the outer container, thereby sealing the space between the inner container and the outer container.
B65D 81/38 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu avec isolation thermique
B65D 88/10 - Grands réceptacles rigides parallélépipédiques
B65D 88/12 - Grands réceptacles rigides spécialement conçus pour le transport
B65D 90/08 - Liaisons des éléments de paroisJoints d'étanchéité pour ces éléments
Provided is an insulated container comprising an inner container having the open front, and an outer container surrounding the inner container and having the open front, wherein: the inner container comprises an inner frame, a plurality of vacuum insulation materials inserted between the inner frame and the outer container, and an upper PCM case accommodation member; the inner frame includes an upper frame; and the upper PCM case accommodation member comprises a support plate spaced a certain interval downward from the bottom of the upper frame, and a connection member that connects and fixes the support plate to the upper frame.
B65D 81/38 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu avec isolation thermique
B65D 88/10 - Grands réceptacles rigides parallélépipédiques
B65D 88/12 - Grands réceptacles rigides spécialement conçus pour le transport
B65D 90/08 - Liaisons des éléments de paroisJoints d'étanchéité pour ces éléments
48.
METHOD FOR MANUFACTURING HEAT INSULATION CONTAINER
A method for manufacturing a heat insulation container is provided, the method comprising: preparing an inner container; and coupling the inner container to an outer container, wherein the preparing of the inner container includes: assembling an interior frame; coupling a plurality of vacuum insulation materials to make a vacuum insulation material assembly; coupling a transparent plate to an outer surface of the interior frame; and coupling the vacuum insulation material assembly to an outer surface of the transparent plate, and the making of a vacuum insulation material assembly includes: coupling a lateral surface of a first vacuum insulation panel and a lateral surface of a second vacuum insulation panel; and wrapping, with waterproof tape, a portion where the lateral surface of the first vacuum insulation panel and the lateral surface of the second vacuum insulation panel face each other.
B65D 81/38 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu avec isolation thermique
B65D 88/10 - Grands réceptacles rigides parallélépipédiques
B65D 88/12 - Grands réceptacles rigides spécialement conçus pour le transport
B65D 90/08 - Liaisons des éléments de paroisJoints d'étanchéité pour ces éléments
49.
ANODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME
According to a method for manufacturing an anode active material for a secondary battery of the present invention, in manufacturing an anode active material for a secondary battery, having: i) a structure in which a pitch coating film is formed on a composite material comprising nano silicon and amorphous carbon; or ii) a structure of a graphite core and a nano silicon-pitch shell surrounding the core, a pitch coating film is formed by using two types of solvent, thereby improving uniformity and density of the pitch coating film. In addition, an anode material for a secondary battery, comprising the anode active material for a secondary battery of the present invention, can improve initial discharge capacity, initial efficiency, and lifespan characteristics of a secondary battery.
Provided is a TCP container coupling structure comprising: a TCP container; and a PCM case mounted on the TCP container, wherein the TCP container includes: a housing providing a storage space; and a coupling ring connected to an inner surface of the housing and extending toward the storage space from the inner surface. The PCM case provides a through hole, and the coupling ring is disposed in the through hole, so that the PCM case is caught on the coupling ring and coupled to the TCP container.
B65D 81/38 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu avec isolation thermique
B65D 88/10 - Grands réceptacles rigides parallélépipédiques
B65D 88/74 - Grands réceptacles comportant des moyens pour le chauffage, le refroidissement, l'aération ou un autre conditionnement du contenu
B65D 25/10 - Dispositifs pour placer les objets dans les réceptacles
53.
TCP CONTAINER AND TCP CONTAINER COUPLING STRUCTURE COMPRISING SAME
Provided is a TCP container comprising: a housing which provides a storage space and has one open side; and a door coupled to the open side of the housing, wherein at least one surface of the housing comprises: an outer wall body; an inner wall body located inside the outer wall body; an insulating portion between the outer wall body and the inner wall body; and an additional PCM fixing member. The inner wall body provides an additional PCM arrangement hole penetrating through the inner wall body in the thickness direction, and the additional PCM fixing member is inserted in the additional PCM arrangement hole. The additional PCM fixing member comprises: a fixing frame which extends in the thickness direction of the inner wall body and crosses the additional PCM arrangement hole; and a fixing plate which is extended from the fixing frame in the direction perpendicular to the thickness direction of the inner wall body. The fixing plate provides an exposure hole that exposes part of the insulating portion.
B65D 81/38 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu avec isolation thermique
B65D 81/18 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu fournissant une ambiance spécifique pour le contenu, p. ex. température supérieure ou inférieure à la température ambiante
The present invention provides a method for preparing a negative electrode material, for a secondary battery, comprising a high-quality nano-silicon-carbon composite material formed by uniformly and densely coating the surface of nano-silicon particles with a pitch. Further, the present invention provides a negative electrode material, for a secondary battery, prepared by the method for preparing the negative electrode material for a secondary battery, and a secondary battery comprising same, in order to enhance the initial discharge capacity, initial efficiency, and life characteristics of the secondary battery.
The present invention relates to a composition for storing latent heat, a latent heat storage pack comprising same, and a method for manufacturing a latent heat storage pack comprising same. More specifically, the composition for storing latent heat comprises only a phase change material and fumed silica, wherein the weight proportion of the fumed silica may be 0.5 wt% to 1.5 wt%.
C09K 5/06 - Substances qui subissent un changement d'état physique lors de leur utilisation le changement d'état se faisant par passage de l'état liquide à l'état solide, ou vice versa
B65D 75/00 - Paquets comportant des objets ou matériaux partiellement ou complètement enfermés dans des bandelettes, des feuilles, des flans, des tubes ou des bandes en matériau souple mince, p. ex. dans des enveloppes pliées
56.
ECO-FRIENDLY COLD INSULATOR COMPOSITION AND COLD INSULATION PACK COMPRISING SAME
The present invention relates to an eco-friendly cold insulator composition and a cold insulation pack comprising same, and, more specifically, the cold insulator composition comprises a cold insulator powder, an inorganic additive, and water, wherein the cold insulator powder may comprise an amorphous oxide powder and/or a mineral powder.
The present invention relates to an eco-friendly cold insulator composition and a cold insulation pack comprising same, and, more specifically, the cold insulator composition may comprise an amorphous oxide, a binary ionic compound, and water, and the total organic carbon (TOC) of the cold insulator composition can be 0-1 ppm.
A method of preparing a high-purity silicon carbide (SiC) crystal, and more specifically, to a method of preparing high-purity SiC having an extremely low impurity content in an excellent yield and in large quantities. The method including preparing a reactor containing a reaction chamber; heating the conductive heating element in the reaction chamber; mixing a silicon precursor, a carbon precursor, and a carrier gas; injecting the mixed gas into the reaction chamber, depositing SiC on the conductive heating element and harvesting the deposited SiC crystals.
The present invention relates to a highly crystalline carbon black and a preparation method therefor and, more specifically, to a highly crystalline carbon black and a preparation method therefor, wherein the carbon black can be used as a fuel cell catalyst carrier requiring a high level of durability and a conductive material for various batteries including secondary batteries. More specifically, the present invention provides: a highly crystalline carbon black having a crystallite size Lc of 4.0 nm or more, a specific surface area (BET) of 50-150 m2/g, and an oil absorption number (OAN) of 150 ml/100 g or more; and a preparation method therefor.
Provided is a case inlet bonding method comprising: placing a case on a case fixing part; placing a cap on an inlet of the case; and applying ultrasonic waves to the cap by using an ultrasonic welder. The application of the ultrasonic waves to the cap using the ultrasonic welder includes pressing the upper surface of the cap by means of the ultrasonic welder.
B65B 51/14 - Application ou production de chaleur ou de pression ou les deux à la fois par éléments oscillants ou à mouvement alternatif
B65B 51/20 - Application ou production de chaleur ou de pression ou les deux à la fois par pression de fluide appliquée directement sur les plis ou sur les surfaces opposées, p. ex. en utilisant des jets d'air chaud
B65B 51/32 - Refroidissement, ou refroidissement et compression, des fermetures des paquets, après thermosoudage
61.
VACUUM INSULATOR, AND VACUUM INSULATOR INSPECTION SYSTEM
Provided is a vacuum insulator comprising a core material, an outer material surrounding the core material, and a vacuum measuring unit inserted between the core material and the outer material, wherein the vacuum measuring unit comprises a support member and a magnetic connection member that is disposed between the support member and the outer material and comes into contact with the outer material, and the magnetic connection member comprises metal.
The present invention relates to a method for separating and collecting single aggregates from fumed silica, and a method for classifying a shape of the collected single aggregates, and more specifically, includes preparing a slurry in which fumed silica is dispersed in water; aerosolizing the slurry; and collecting single aggregates of the finned silica in the aerosol using the electric field.
Research & Business Foundation SUNGKYUNKWAN UNIVERSITY (République de Corée)
Inventeur(s)
Park, Younghun
Kim, Eungchul
Kim, Taesung
Lee, Sangyup
Kim, Kyungyeol
Oh, Hwisu
Abrégé
2/g, a shape of aggregates dispersed in the abrasive has an elongated shape or a round shape, and a ratio of the round shape of the aggregates is 50% to 90%.
The present invention relates to a method for manufacturing a silicon nitride substrate and, more specifically, comprises the steps of: forming a slurry by mixing silicon nitride powder, a ceramic additive, and a solvent; molding the slurry to form sheets; sandwiching at least one of the sheets between a lower plate and an upper plate to form a stacked structure; degreasing the stacked structure; and sintering the stacked structure. At least one of the lower plate and the upper plate comprises a plurality of protrusions provided on one surface thereof, and the protrusions extend in parallel to each other in one direction.
RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY (République de Corée)
Inventeur(s)
Park, Younghun
Kim, Eungchul
Kim, Taesung
Lee, Sangyup
Kim, Kyungyeol
Oh, Hwisu
Abrégé
The present invention relates to a method for separating and collecting a single aggregate from fumed silica, and a method for classifying the shape of the collected single aggregate, and, more specifically, comprises the steps of: preparing a slurry in which fumed silica is dispersed in water; aerosolizing the slurry; and collecting a single aggregate of the fumed silica from aerosol by using an electric field.
RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY (République de Corée)
Inventeur(s)
Park, Younghun
Kim, Eungchul
Kim, Taesung
Lee, Sangyup
Kim, Kyungyeol
Oh, Hwisu
Abrégé
The present invention relates to an abrasive agent and a planarization method using same, and more specifically, the abrasive agent comprises fumed silica. The fumed silica has a BET specific surface area of 200 m2/g to 450 m2/g, and aggregates dispersed in the abrasive agent have an elongated morphology or a spherical morphology, wherein the percentage of the spherical morphology is 50% to 90%.
The present invention relates to a method for manufacturing a silicon nitride substrate and, more specifically, comprises the steps of: forming a slurry by mixing silicon nitride powder, a ceramic additive, and a solvent; molding the slurry to form sheets; sandwiching at least one of the sheets between a lower plate and an upper plate to form a laminate structure; degreasing the laminate structure; and sintering the laminate structure. At least one of the lower plate and the upper plate comprises a plurality of protrusions provided on one surface thereof, and the protrusions extend in parallel to each other in one direction.
B32B 18/00 - Produits stratifiés composés essentiellement de céramiques, p. ex. de produits réfractaires
B32B 3/30 - Produits stratifiés comprenant une couche ayant des discontinuités ou des rugosités externes ou internes, ou une couche de forme non planeProduits stratifiés comprenant une couche ayant des particularités au niveau de sa forme caractérisés par une couche continue dont le périmètre de la section droite a une allure particulièreProduits stratifiés comprenant une couche ayant des discontinuités ou des rugosités externes ou internes, ou une couche de forme non planeProduits stratifiés comprenant une couche ayant des particularités au niveau de sa forme caractérisés par une couche comportant des cavités ou des vides internes caractérisés par une couche comportant des retraits ou des saillies, p. ex. des gorges, des nervures
B32B 38/00 - Opérations auxiliaires liées aux procédés de stratification
C04B 35/584 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de borures, nitrures ou siliciures à base de nitrure de silicium
C04B 35/622 - Procédés de mise en formeTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques
C04B 35/626 - Préparation ou traitement des poudres individuellement ou par fournées
C04B 35/63 - Préparation ou traitement des poudres individuellement ou par fournées utilisant des additifs spécialement adaptés à la formation des produits
68.
ENVIRONMENT-FRIENDLY COLD INSULATOR COMPOSITION AND COLD INSULATING PACK COMPRISING SAME
The present invention relates to a cold insulator composition and a cold insulating pack comprising same and, more specifically, to a cold insulator composition comprising: fumed silica; a basic compound; a thickener; and a balance of water, wherein the fumed silica is non-porous silica.
Disclosed is an etching solution for a silicon substrate. More specifically, an etching solution for a silicon substrate is disclosed in which a concentration of a silane compound (silicon) in the etching solution for the silicon substrate is adjusted to improve an etching selectivity of a silicon nitride film relative to a silicon oxide film during etching of the nitride film.
C08K 13/06 - Ingrédients prétraités et ingrédients prévus dans les groupes principaux
H01L 21/465 - Traitement chimique ou électrique, p. ex. gravure électrolytique
C09K 13/06 - Compositions pour l'attaque chimique, la gravure, le brillantage de surface ou le décapage contenant un acide inorganique avec une substance organique
The present invention relates to a method for manufacturing an elastomer composite, the method being capable of both improving the dispersibility of microparticle fillers in an elastomer latex and reducing the amount of microparticle fillers lost in the co-agglomeration of a microparticle slurry containing the elastomer latex and the microparticle fillers.
C08J 3/21 - Formation de mélanges de polymères avec des additifs, p. ex. coloration en présence d'une phase liquide le polymère étant prémélangé avec une phase liquide
Disclosed are apparatus and method for preparing carbon black, in which the carbon black may be continuously formed and activated. In one embodiment, carbon black powders formed in a combustion reactor are converted into a slurry which in turn is refluxed to the combustion reactor in a repeated manner, thereby to allow successive activation treatments. In this way, a sufficient residence time for the activation of the carbon black may be secured.
F27B 3/04 - Fours à sole, p. ex. fours à réverbérationFours à arc électrique du type à plusieurs solesFours à sole, p. ex. fours à réverbérationFours à arc électrique du type à plusieurs chambresCombinaisons de fours à soles
The present invention relates to a composition for storing latent heat and, more specifically, is composed only of: a mixture of a first phase change material and a second phase change material; and fumed silica. The first phase change material and the second phase change material respectively and independently comprise a fatty acid or an ester thereof, and the weight percentage of the fumed silica is 5-15 wt%.
C09K 5/06 - Substances qui subissent un changement d'état physique lors de leur utilisation le changement d'état se faisant par passage de l'état liquide à l'état solide, ou vice versa
73.
Coupling agent for rubber composition and rubber composition for tire comprising the same
Disclosed are a coupling agent for a rubber composition and a rubber composition for a tire containing the same. The rubber composition according to the present disclosure contains a coupling agent that may induce interactions between a rubber as a raw material and carbon black, thereby improving dispersibility of the carbon black in the rubber composition. Thus, a tire with low rolling-resistance and excellent wear resistance may be realized.
The present invention relates to a method for purifying hydrogen peroxide. More particularly, the method comprises: a step of purifying a crude product of hydrogen peroxide using a primary purification system; and a step of purifying the primarily-purified hydrogen peroxide solution using a secondary purification system. One of the primary purification system and the secondary purification system comprises an electrodeionization system, and the other of the primary purification system and the secondary purification system comprises at least one of a distillation system, a resin system, a reverse osmosis system, and a combination system thereof.
A method of packing a vacuum insulation material is provided. In one embodiment, the method includes: (a) wrapping a core with a gas tight foil so that the upper and lower surfaces of the core are open; (b) pulling the airtight foil remaining on the upper and lower surfaces of the core wrapped with the airtight foil in the inner direction of the upper and lower surfaces of the core from the side of the core to form a side fold line and a folded surface corresponding to the side fold line; (c) bringing the upper and lower surfaces of the core into close contact with a step member; (d) folding the folded surface of the airtight foil protruding between the upper and lower surfaces of the core and the step member in the direction toward the step member to press same onto the step member; and (e) sealing the folded surface with a thermal bonding member.
B29C 63/04 - Garnissage ou gainage, c.-à-d. application de couches ou de gainages préformés en matière plastiqueAppareils à cet effet avec des matières sous forme de feuilles ou de nappes par pliage, enroulement, cintrage ou par des opérations similaires
B29C 63/00 - Garnissage ou gainage, c.-à-d. application de couches ou de gainages préformés en matière plastiqueAppareils à cet effet
F16L 59/065 - Dispositions utilisant une couche d'air ou le vide utilisant le vide
76.
Method for preparing a carbon black of high resistivity and a carbon black of high resistivity prepared by this method
The present invention generally relates to a method for preparing a carbon black of high resistivity through the surface treatment of the carbon black which exhibits conductivity, and a carbon black prepared by this method.
The present invention relates to a method for oxidizing a carbon black which can prevent or alleviate change in the surface oxidation degree of the carbon black by a residual ozone after surface oxidation reforming, and a method for preparing the carbon black by comprising it in a single continuous process.
Disclosed herein is a temperature controlled case. The temperature controlled case includes a base and a stepped portion protruding from an upper surface of the base, wherein the stepped portion has a rectangular shape having a major axis and a minor axis in top plan view, a height of the base is the same as a maximum height of the stepped portion protruding from the base, and maximum distances from an edge of the base to the stepped portion in the major axis and minor axis directions are the same as the height of the base or the maximum height of the stepped portion.
B65D 81/38 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu avec isolation thermique
B65D 81/18 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu fournissant une ambiance spécifique pour le contenu, p. ex. température supérieure ou inférieure à la température ambiante
B29D 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
Provided is a device including an acquisition unit configured to obtain a time taken for a voltage level of a battery in a charge mode to change for each of a plurality of voltage sections, and a prediction unit configured to predict a state of health (SOH) of the battery based on ratio information determined by comparing the time obtained for each of the plurality of voltage sections with a reference time for each of the plurality of voltage sections. When the time taken for some voltage sections of the plurality of voltage sections is obtained by the acquisition unit, the prediction unit corrects the predicted SOH of the battery based on the time taken for the voltage level of the battery in a discharge mode to change.
G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
G01R 31/36 - 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
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 31/382 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge
G01R 31/3835 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge ne faisant intervenir que des mesures de tension
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 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
G01R 31/385 - Dispositions pour mesurer des variables des batteries ou des accumulateurs
80.
Etching compositions and method of etching by using the same
The present invention relates to an etching composition, an etching method, and a method of preparing a semiconductor device using the same, and more particularly, to an etching composition comprising a compound capable of selectively removing a nitride film with a high selectivity while minimizing an etch rate of the oxide film, and a method of preparing a semiconductor device comprising an etching process using the etching composition.
C09K 13/06 - Compositions pour l'attaque chimique, la gravure, le brillantage de surface ou le décapage contenant un acide inorganique avec une substance organique
A module system of a redox flow battery is disclosed. The system includes a first redox flow battery module, through which first and second electrolytic solutions circulate, a second redox flow battery module, through which first and second electrolytic solutions circulate, first and second storage tanks storing the first electrolytic solutions of the first and second redox flow battery modules, a first main pipe connecting the first redox flow battery module fluidically to the first storage tank, and a first transfer pipe and a first equilibrium pipe which are configured to allow for fluid communication between the first electrolytic solutions of the first and second redox flow battery module. The first main pipe has a diameter greater than that of the first transfer pipe.
H01M 8/00 - Éléments à combustibleLeur fabrication
H01M 8/04276 - Dispositions pour la gestion du courant d’électrolyte, p. ex. échange de chaleur
H01M 8/18 - Éléments à combustible à régénération, p. ex. batteries à flux REDOX ou éléments à combustible secondaires
H01M 8/04186 - Dispositions pour la commande des paramètres des réactifs, p. ex. de la pression ou de la concentration des réactifs chargés en liquide ou en électrolyte
The present invention relates to a process for producing of polycrystalline silicon, and the method includes (1) preparing a silicon-containing gas; (2) storing the silicon-containing gas in a storage tank; (3) depositing polycrystalline silicon by injecting the silicon-containing gas stored in the storage tank to a CVD reactor; (4) treating an off-gas emitted in the depositing step; and (5) injecting the gas treated in the treating step to the storage tank.
G05B 21/00 - Systèmes impliquant l'échantillonnage de la variable commandée
C01B 33/039 - Purification par conversion du silicium en un composé, purification éventuelle du composé et reconversion en silicium
B01J 8/18 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés les particules étant fluidisées
H01L 21/02 - Fabrication ou traitement des dispositifs à semi-conducteurs ou de leurs parties constitutives
C01B 33/03 - Préparation par décomposition ou réduction de composés de silicium gazeux ou vaporisés autres que la silice ou un matériau contenant de la silice par décomposition d'halogénures de silicium ou de silanes halogénés ou réduction de ceux-ci avec de l'hydrogène comme seul agent réducteur
C23C 16/44 - Revêtement chimique par décomposition de composés gazeux, ne laissant pas de produits de réaction du matériau de la surface dans le revêtement, c.-à-d. procédés de dépôt chimique en phase vapeur [CVD] caractérisé par le procédé de revêtement
C23C 16/448 - Revêtement chimique par décomposition de composés gazeux, ne laissant pas de produits de réaction du matériau de la surface dans le revêtement, c.-à-d. procédés de dépôt chimique en phase vapeur [CVD] caractérisé par le procédé de revêtement caractérisé par le procédé utilisé pour produire des courants de gaz réactifs, p. ex. par évaporation ou par sublimation de matériaux précurseurs
C23C 16/455 - Revêtement chimique par décomposition de composés gazeux, ne laissant pas de produits de réaction du matériau de la surface dans le revêtement, c.-à-d. procédés de dépôt chimique en phase vapeur [CVD] caractérisé par le procédé de revêtement caractérisé par le procédé utilisé pour introduire des gaz dans la chambre de réaction ou pour modifier les écoulements de gaz dans la chambre de réaction
The present invention relates to a packing system including a transporting device, an erecting device, and a guiding device. The packing system is configured to reduce the number of packing operations and to simplify the packing process, thereby improving production efficiency, compared with a conventional system. The packing system is configured to minimize wrinkling of a packing material and to adjust position of ends of the packing material in a way that the packing material is always supplied to a predetermined position, thereby reducing a failure rate of a packed product. It is possible to pack various sizes of packing target objects using a single system.
B65B 9/067 - Enserrage d'objets les uns à la suite des autres ou de quantités de matériaux, dans une bande pliée en long ou dans une bande pliée en forme de tube autour des objets ou quantités de matériaux placés sur elle la bande avançant de façon continue
B65H 23/04 - Positionnement, tension, suppression des à-coups ou guidage des bandes longitudinal
B65H 23/00 - Positionnement, tension, suppression des à-coups ou guidage des bandes
B65B 59/00 - Dispositions pour permettre aux machines de manipuler des objets de différentes dimensions, d’obtenir des paquets de différentes dimensions, de varier le contenu des paquets ou de donner accès pour le nettoyage ou l'entretien
B65B 49/04 - Sabots ou plaques à fentes inclinées ou à bords opposés inclinés
B65B 9/22 - Épaulements de formationGabarits de tube
B65B 41/16 - Alimentation des bandes à partir de rouleaux par cylindres
B65B 57/04 - Dispositifs de commande automatique, de vérification, d'alarme ou de sécurité sensibles à l'absence, à la présence, à l'alimentation anormale ou à la mauvaise présentation du matériau d'attache ou d'emballage des réceptacles ou des paquets et dont le fonctionnement commande ou arrête l'alimentation de ce matériau, de ces réceptacles ou paquets
B65B 9/06 - Enserrage d'objets les uns à la suite des autres ou de quantités de matériaux, dans une bande pliée en long ou dans une bande pliée en forme de tube autour des objets ou quantités de matériaux placés sur elle
A flow frame for a redox flow battery includes: a frame body having a plate-like shape and an electrode hole in its center where an electrode is to be disposed; four through holes disposed at corners of the frame body, respectively; a flow channel disposed at a front of the frame body above and below the electrode hole so that two of the through channels diagonal to each other as a pair are connected to each other via the electrode hole; through channels disposed at distal ends of the flow channel to cause electrolyte flows toward a rear of the frame body; and a distribution channel connecting the through channels with the electrode hole at the rear of the frame body. The flow channel has at least one branch point, and a change in cross sectional area of the flow channel before and after the branch point is 10% or less.
According to one embodiment of the present invention, the method for controlling the pump speed of a redox flow battery for transferring an electrolyte stored in an electrolyte tank to a cell stack comprises the steps of: measuring the input power and/or the output power of the redox flow battery; measuring the charging power and/or the discharging power of the redox flow battery; calculating the power loss of the redox flow battery by using the difference between the input power and the charging power, or the difference between the output power and the discharging power; and adjusting the pump speed according to the power loss.
H01M 8/04186 - Dispositions pour la commande des paramètres des réactifs, p. ex. de la pression ou de la concentration des réactifs chargés en liquide ou en électrolyte
86.
Etching solution capable of suppressing particle appearance
The present disclosure relates to an etching solution capable of suppressing particle appearance including a first silane compound in which three or more hydrophilic functional groups are independently bonded to a silicon atom and a second silane compound in which one or two hydrophilic functional groups are independently bonded to a silicon atom.
C09K 13/08 - Compositions pour l'attaque chimique, la gravure, le brillantage de surface ou le décapage contenant un acide inorganique contenant un composé du fluor
C07C 69/34 - Esters d'acides acycliques polycarboxyliques saturés dont un groupe carboxyle estérifié est lié à un atome de carbone acyclique
C07C 69/02 - Esters d'acides acycliques monocarboxyliques saturés dont le groupe carboxyle est lié à un atome de carbone acyclique ou à l'hydrogène
H01L 21/02 - Fabrication ou traitement des dispositifs à semi-conducteurs ou de leurs parties constitutives
A method is provided for stabilizing filaments in a chemical vapor deposition (CVD) reactor. The method includes providing the pair of filaments, and connecting the pair of filaments with at least one stabilizer. The stabilizer may include an electronically insulating material.
C23C 16/50 - Revêtement chimique par décomposition de composés gazeux, ne laissant pas de produits de réaction du matériau de la surface dans le revêtement, c.-à-d. procédés de dépôt chimique en phase vapeur [CVD] caractérisé par le procédé de revêtement au moyen de décharges électriques
C01B 33/035 - Préparation par décomposition ou réduction de composés de silicium gazeux ou vaporisés autres que la silice ou un matériau contenant de la silice par décomposition ou réduction de composés de silicium gazeux ou vaporisés en présence de filaments chauffés de silicium, de carbone ou d'un métal réfractaire, p. ex. de tantale ou de tungstène, ou en présence de tiges de silicium chauffées sur lesquelles le silicium formé se dépose avec obtention d'une tige de silicium, p. ex. procédé Siemens
C23C 16/44 - Revêtement chimique par décomposition de composés gazeux, ne laissant pas de produits de réaction du matériau de la surface dans le revêtement, c.-à-d. procédés de dépôt chimique en phase vapeur [CVD] caractérisé par le procédé de revêtement
88.
FLOW FRAME OF REDOX FLOW CELL WITH IMPROVED THICKNESS UNIFORMITY, ADHESIVE CELL USING SAME, AND MANUFACTURING METHOD THEREFOR
The present invention provides a method for manufacturing a flow frame comprising the steps of: a mold preparing step of preparing an injection mold having a molding groove corresponding to a flow frame shape; a test injection molding step of manufacturing a flow frame using the injection mold; a thickness deviation measuring step of measuring the thickness of the flow frame manufactured in the injection molding step in a plurality of areas, setting a reference thickness from the measured thickness, and deriving an insufficient thickness which is a difference between the thickness of each area and the reference thickness; a mold modifying correcting step of adding a protruding groove having a depth corresponding to the insufficient thickness to each area of the injection mold; and an injection molding step of manufacturing a flow frame using the mold modified through the mold modifying step.
H01M 8/18 - Éléments à combustible à régénération, p. ex. batteries à flux REDOX ou éléments à combustible secondaires
H01M 8/0258 - CollecteursSéparateurs, p. ex. séparateurs bipolairesInterconnecteurs caractérisés par la configuration des canaux, p. ex. par le champ d’écoulement du réactif ou du réfrigérant
The present invention provides a redox flow battery cell stack comprising: an end frame having an electrode compartment that is a space for receiving an electrode; a bipolar electrode plate formed to have an area greater than that of an open side of the electrode compartment to block the open side of the electrode compartment, the bipolar electrode plate having a protrusion extending beyond one side of the end frame; a current collecting plate superposed on the protrusion of the bipolar electrode plate; and an insulating plate insulating the outer surface of the bipolar electrode plate, wherein the protrusion is bonded with the end frame by a plurality of bonding lines, and the bonding lines are arranged so as to not overlap each other across the protrusion in the width direction.
The present disclosure relates to a sulfur-carbon composite and a preparing method thereof, and more particularly, to a sulfur-carbon composite having an aggregated structure by performing a pressure heat treatment on a mixture of a carbonaceous conductive material and a sulfur-containing amorphous carbon material and carbonizing the same, and a preparing method thereof.
Disclosed is a raw material spray nozzle, which can be suitably applied in a high-temperature and high-pressure environment such as in a carbon black preparation apparatus. The high-temperature and high-pressure raw material spray nozzle according to one embodiment of the present invention comprises: a nozzle body having a raw material supply section and a raw material spray section, which extends forward from the raw material supply section and has a diameter smaller than that of the raw material supply section; a ceramic tip of which the outer peripheral surface is adhered to the rear end portion of the raw material spray section of the nozzle body; and a ceramic adhesive layer disposed between the ceramic tip and the nozzle body, wherein the nozzle body and the ceramic tip are coupled so as to form the inner diameter thereof, and a half or more of the length of the inner diameter thereof is formed by the ceramic tip.
B05B 1/02 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage agencés pour produire un jet, un pulvérisat ou tout autre écoulement de forme ou de nature particulière, p. ex. sous forme de gouttes individuelles
The present invention relates to a redox flow battery system and, more particularly, to a redox flow battery system which is capable of independently analyzing the charge/discharge state of a positive electrode and a negative electrode through individual measurement results for the open-circuit voltage of the positive and negative electrodes and controlling according to same.
The present invention relates to: a composition for etching copper; and a hydrogen peroxide-based composition for etching metal and, more specifically, to: a composition for etching copper, capable of inhibiting the generation of a copper precipitate from the etching composition by increasing the stability of a chelate bond formed between copper and organic matter; and a hydrogen peroxide-based composition for etching metal, capable of preventing the decomposition of hydrogen peroxide and the degeneration of the other components within the hydrogen peroxide-based composition for etching metal.
The present invention relates to a redox flow battery wherein cell frames are laminated with an ion exchange membrane interposed therebetween, thereby constituting a unit cell, the redox flow battery being characterized in that: gaskets are provided between the cell frames and the ion exchange membrane or between the cell frames; the gaskets have the shape of strips that have a predetermined width and height; the gaskets have a plurality of assembly protrusions formed irregularly on the surfaces thereof, which are coupled to the cell frames; the cell frames have a width, which corresponds to that of the gaskets, in positions in which the gaskets are arranged; and the cell frames comprise guide grooves, which have a height smaller than that of the gaskets, and assembly grooves provided inside the guide grooves to which the assembly protrusions are fitted.
H01M 8/18 - Éléments à combustible à régénération, p. ex. batteries à flux REDOX ou éléments à combustible secondaires
H01M 8/0273 - Moyens d’étanchéité ou de support autour des électrodes, des matrices ou des membranes avec des moyens d’étanchéité ou de support sous forme d’un cadre
The present invention relates to a method for modifying a surface of carbon black and, more specifically, to a method for modifying a surface of carbon black, wherein the amount of sulfur-containing functional groups introduced is improved through the pretreatment of the surface of carbon black.
The present invention relates to a silicon texturing composition and a preparation method therefor and, more specifically, to a texturing composition comprising an alkali compound, a polysaccharide and a disaccharide, wherein, the content ratio of a carboxymethyl cellulose metal salt and a metal alginate in the polysaccharide is adjusted such that a more uniform surface shape is implemented when wet etching a silicon wafer.
Provided is a method for preventing stack damage of a redox flow battery provided with a cathode electrolyte inlet, a cathode electrolyte outlet, an anode electrolyte inlet, and an anode electrolyte outlet, the method connecting, in a state in which the cathode electrolyte and anode electrolyte are filled in the interior of the stack, one selected from among the cathode electrolyte inlet and cathode electrolyte outlet and another selected from among the anode electrolyte inlet and anode electrolyte outlet with an equalizing tube to allow a cathode cell and an anode cell in the interior of the stack to communicate through the equalizing tube.
The present invention relates to a redox flow battery, and more particularly, to a redox flow battery which is charged and discharged by supplying a positive electrolyte and a negative electrolyte to a battery cell using an active material containing vanadium and a cation exchange membrane, in which the positive electrolyte and the negative electrolyte contain vanadium ions as active ions, the difference in volume between the positive electrolyte and the negative electrolyte is maintained at 10% or less, and the total concentration of anions in the negative electrolyte is higher than the total concentration of anions in the positive electrolyte, whereby the transfer of water in the battery is controlled and a change in the volume of the electrolytes is minimized.
The present invention relates to a method for purifying a fluorinated greenhouse gas. More specifically, the present invention relates to a method for selectively recovering nitrogen trifluoride from a gas mixture containing impurities using an activated and modified carbon-based absorbent.
B01D 53/04 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par adsorption, p. ex. chromatographie préparatoire en phase gazeuse avec adsorbants fixes
B01J 20/20 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique contenant du carbone libreCompositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique contenant du carbone obtenu par des procédés de carbonisation
100.
METHOD AND APPARATUS FOR CONTROLLING ELECTROLYTE FLOW RATE OF REDOX FLOW BATTERY
The present invention relates to a method and apparatus for controlling a flow rate of an electrolyte supplied to a cell of a redox flow battery. According to an embodiment of the present invention, a method for controlling a flow rate of an electrolyte supplied to a stack of a redox flow battery comprises the steps of: measuring a charged state value of the stack; measuring a temperature value of the electrolyte; measuring a pressure drop value of the electrolyte that passes through the stack; calculating a current flow rate of the electrolyte supplied to the stack, using the charged state value, the temperature value, and the pressure drop value; and controlling a pump of the redox flow battery to enable an actual flow rate of the electrolyte to reach a previously set target flow rate, by referring to the current flow rate. The present invention is advantageous in that a flow rate of an electrolyte of a redox flow battery can be appropriately controlled by only measuring a pressure drop of the electrolyte, without using a flowmeter.