A solid electrolyte, a positive electrode including the same, and an all-solid-state rechargeable battery, the solid electrolyte includes solid ion conductor particles; a coating layer on the solid ion conductor particles, the coating layer including a compound represented by Chemical Formula 1; and a lithium-deficient layer at an interface between the solid ion conductor particles and the coating layer:
A solid electrolyte, a positive electrode including the same, and an all-solid-state rechargeable battery, the solid electrolyte includes solid ion conductor particles; a coating layer on the solid ion conductor particles, the coating layer including a compound represented by Chemical Formula 1; and a lithium-deficient layer at an interface between the solid ion conductor particles and the coating layer:
Li3+aM1bX16+c. [Chemical Formula 1]
A venting device includes a cover positioned at one side of a wall, the wall having a vent hole through which a gas is flowable, and the cover covering the vent hole, a connection pin connected to the cover, the connection pin being configured to pass through the wall, and a hook connected to the connection pin, the connection pin being between the hook and the cover, and the hook being configured to pass through the wall to be positioned at the other side of the wall and to anchor the cover and the connection pin to the wall.
A method for controlling a sheet thickness in an electrode plate manufacturing process, which is performed by at least one processor, includes obtaining a thickness measured for each of a plurality of portions of a sheet rolled through a plurality of rollers, calculating, based on the obtained thickness for each of the plurality of portions, a dispersion for the sheet thickness, determining, based on the calculated dispersion, movement information of at least one target roller from the plurality of rollers, and controlling the at least one target roller to be moved based on the determined movement information.
A battery system includes: a battery pack including a housing and a plurality of battery cells accommodated within the housing; an underbody protection structure; a cooler connected to and arranged between the battery cells and the underbody protection structure; and a pressure detection device. The cooler includes a cooling channel and a pressure detection channel separated from the cooling channel, and both the cooling channel and the pressure detection channel being arranged inside the cooler. The pressure detection device includes a pressure sensor connected to the pressure detection channel and configured to detect an underbody contact or impact event by monitoring a pressure in the pressure detection channel.
H01M 50/242 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
H01M 10/6556 - Solid parts with flow channel passages or pipes for heat exchange
H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
A battery pack includes a battery housing having a battery cell accommodating space portion accommodating a plurality of battery cells, a lower space portion under the battery cell accommodating space portion, and a battery cell base portion between the lower space portion and the battery cell accommodating space portion and supporting the plurality of battery cells. The battery cell base portion includes: a base melting portion configured to melt if an adjacent one of the battery cells is heated to a reference temperature or greater; and a base non-melting portion configured to not melt if the adjacent one of the battery cells is heated to the reference temperature or greater.
A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
A62C 35/10 - Containers destroyed or opened by flames or heat
SOGANG UNIVERSITY RESEARCH & BUSINESS DEVELOPMENT FOUNDATION (Republic of Korea)
Inventor
Kang, Inyeong
Cho, Wonseok
Choe, Yun Jeong
Moon, Bongjin
Kim, Minyoung
Jeon, Hyelin
Abstract
An additive for a rechargeable lithium battery, an electrolyte layer for a rechargeable lithium battery, a positive electrode for a rechargeable lithium battery, a negative electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the additive, the additive being represented by Chemical Formula 1:
An additive for a rechargeable lithium battery, an electrolyte layer for a rechargeable lithium battery, a positive electrode for a rechargeable lithium battery, a negative electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the additive, the additive being represented by Chemical Formula 1:
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
C07C 247/18 - Compounds containing azido groups with azido groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton being further substituted by carboxyl groups
C07C 323/52 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated
A steel sheet for a battery case includes about 0.02 wt % to about 0.08 wt % carbon (C); about 0.01 wt % to about 0.1 wt % niobium (Nb); and the balance of iron (Fe). Further aspects provide for a battery case manufactured from the steel sheet for a battery case and provided with an opening. Further aspects provide for a cylindrical secondary battery comprising a cylindrical case manufactured from the steel sheet for a battery case, a cap assembly sealing the cylindrical case, and an electrode assembly disposed inside the cylindrical case.
C22C 38/12 - Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium or niobium
H01M 50/107 - Primary casingsJackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
H01M 50/124 - Primary casingsJackets or wrappings characterised by the material having a layered structure
8.
ELECTRODE PLATE FOR RECHARGEABLE BATTERY, MANUFACTURING APPARATUS THEREOF AND MANUFACTURING METHOD THEREOF
An electrode plate manufacturing apparatus for a secondary battery includes a supply reel configured to supply a substrate, the substrate having a first surface that is uncoated and a second surface that is at least partially coated, and a patterner adjacent to the supply reel, the patterner including a polygon roller and a support roller facing each other, the patterner being configured to pattern the substrate passing between the polygon roller and the support roller, and the polygon roller including convex curved portions that extend in an axial direction of the polygon roller and that are arranged in a circumferential direction of the polygon roller.
A rechargeable battery includes a prismatic can including a terminal hole, an electrode assembly accommodated in an internal space of the can and including a number of electrode tabs, a current collecting plate coupled to the electrode tabs, a rivet terminal coupled to the current collecting plate and extending into the terminal hole via an insulator to be installed on the can, and a sealing stopper coupled to the rivet terminal. The current collecting plate includes a plate-shaped portion and a tubular portion. The plate-shaped portion is coupled to the electrode tabs, and the liquid injection port is in the plate-shaped portion. The tubular portion surrounds the liquid injection port and is connected to one side of the plate portion. The rivet terminal is coupled to the tubular portion to contact an outer wall of the tubular portion, and the sealing stopper covers and seals the tubular portion.
A blanking device for a secondary battery electrode plate, including a first mold including a die and a first stripper, the die surrounding the first stripper and having a structure with one open side portion, and the first stripper having a structure with one open side portion aligned with the one open side portion of the die, and a second mold facing the first mold, the second mold including a punch and a second stripper, and the first mold being moveable toward the second mold.
A secondary battery electrode notching apparatus, including a die configured to support a secondary battery electrode including a composite portion coated with an electrode active material and an uncoated portion not coated with the electrode active material; a composite portion stripper configured to move toward the die and press the composite portion into close contact with the die; an uncoated portion stripper configured to move toward the die, press the uncoated portion into close contact with the die, and including an elastic pad formed of an elastic material and configured to elastically deform to make surface contact with the uncoated portion; and a punch configured to move toward the die and cut the uncoated portion so that scrap for disposal is formed from the uncoated portion.
A device for manufacturing a battery, the device including a lower die configured to support an electrode, an upper die above the lower die and connected to the lower die while vertically spaced therefrom, a lift configured to move the upper die upward or downward, a punch on the upper die and inserted into the lower die to perform machining of the electrode, a sensor configured to detect a state of the punch, a controller configured to receive a detection signal of the sensor and monitor an insertion amount of the punch and a corrector configured to correct a height of the punch according to a control signal of the controller.
A battery cell carrier, a battery module, and a method of manufacturing a battery module are disclosed. A battery module includes: a plurality of battery cells arranged in a first direction; a battery cell carrier including a pair of side plates disposed to be spaced in a second direction orthogonal to the first direction for the plurality of battery cells to be interposed therebetween, the pair of side plates having a gap filler injection hole formed therein; and a side gap filler layer which is formed by a gap filler being injected between both side surfaces of the plurality of battery cells and the pair of side plates through the gap filler injection hole and which is configured to fix the plurality of battery cells to the battery cell carrier.
H01M 50/636 - Closing or sealing filling ports, e.g. using lids
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/244 - Secondary casingsRacksSuspension devicesCarrying devicesHolders characterised by their mounting method
H01M 50/293 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
14.
NICKEL-BASED ACTIVE MATERIAL, POSITIVE ELECTRODE INCLUDING THE SAME, AND LITHIUM SECONDARY BATTERY EMPLOYING THE POSITIVE ELECTRODE
A nickel-based active material, a positive electrode including the same, and a lithium secondary battery including the positive electrode, a negative electrode, and an electrolyte between the positive electrode and the negative electrode are provided. The nickel-based active material includes 80 mol % or more of nickel with respect to the metal elements excluding lithium, and the nickel-based active material includes: i) large secondary particles having a size in a range of 10 μm to 20 μm and including aggregates of primary particles having a size of 1 μm or less; ii) large crystal particles including primary particles having a size in a range of 1 μm to 5 μm; and iii) small secondary particles having a size in a range of 1 μm to 7 μm and including aggregates of primary particles having a size of 1 μm or less.
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/02 - Electrodes composed of, or comprising, active material
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
An all-solid-state rechargeable battery including a positive electrode layer; a negative electrode layer; and a solid electrolyte layer between the positive electrode layer and the negative electrode layer, wherein the positive electrode layer includes a plate-shaped positive electrode current collector, and a positive electrode active material layer on the positive electrode current collector, the positive electrode layer includes an endothermic material that absorbs heat by a decomposition reaction, and a content of the endothermic material in the positive electrode layer is greater than or equal to about 1 part by weight and less than or equal to about 30 parts by weight, based on 100 parts by weight of the positive electrode active material layer.
The present invention relates to a stacking apparatus and an all-solid-state battery manufacturing method using same. More specifically, the stacking apparatus of the present invention comprises a web supply unit, a magazine unit, a sheet supply unit, and a sheet fixing unit. The sheet fixing unit includes a circulation belt and a clamp provided at one side of the circulation belt, the circulation belt is configured to circulate the clamp along a first direction, and the clamp is configured to fix an electrode sheet onto a pouch web.
H01M 10/04 - Construction or manufacture in general
H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
B65H 37/04 - Article or web delivery apparatus incorporating devices for performing specified auxiliary operations for securing together articles or webs, e.g. by adhesive, stitching, or stapling
B65H 3/08 - Separating articles from piles using pneumatic force
H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/48 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
18.
NEGATIVE ELECTRODE AND LITHIUM BATTERY COMPRISING SAME
Proposed are a negative electrode and a lithium battery comprising same, the negative electrode comprising: a negative electrode current collector; an electrodeposition inducing layer disposed on the negative electrode current collector and including a first carbon-based material; and a protective layer disposed on the electrodeposition inducing layer, wherein the first carbon-based material is amorphous carbon including a nitrogen element, and the amount of the nitrogen element is greater than 1 wt% with respect to the total weight of the electrodeposition inducing layer.
The present invention relates to a negative electrode for an all-solid-state battery and an all-solid-state battery including same. The negative electrode comprises: a carbon-based material; a metal; and a negative electrode coating layer comprising cerium oxide.
H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/48 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
A battery module includes a plurality of battery cells arranged along a first direction, a pair of first plates arranged to face the plurality of battery cells and parallel to the first direction, a pair of second plates arranged to face the plurality of battery cells and parallel to a second direction intersecting the first direction, a buffer member coupled between a first plate of the pair of first plates and a second plate of the pair of second plates and configured to move the second plate relative to the first plate in a direction parallel to the first direction when a battery cell of the plurality of battery cells explodes, and a holder connected to the buffer member and configured to selectively limit movement of the second plate relative to the first plate.
H01M 50/289 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
22.
NEGATIVE ELECTRODE ACTIVE MATERIAL, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
A negative electrode active material includes a core including secondary particles in which silicon primary particles and a metal carbide are agglomerated; and an amorphous carbon layer on a surface of the core, wherein the primary particles have a full width at half maximum (FWHM, 111) of greater than about 0.5°.
An all-solid secondary battery including a cathode layer, an anode layer, and an electrolyte layer between the cathode layer and the anode layer, wherein the cathode layer includes a cathode current collector and a cathode active material layer on one surface of the cathode current collector, the anode layer includes an anode current collector and a first anode active material layer on one surface of the anode current collector, the first anode active material layer includes a composite anode active material, the composite anode active material includes a first metal oxide represented by MaOb (0
H01M 4/02 - Electrodes composed of, or comprising, active material
H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
24.
RESIST UNDERLAYER COMPOSITION AND METHOD OF FORMING PATTERNS USING THE COMPOSITION
Disclosed are a resist underlayer composition, and a method of forming a pattern using the resist underlayer composition. The resist underlayer composition includes a polymer including a structural unit represented by Chemical Formula 1, a structural unit represented by Chemical Formula 2, a structural unit represented by Chemical Formula 3, or a combination thereof, a compound represented by one or more selected from Chemical Formula 4 to Chemical Formula 6, and a solvent. The definitions of Chemical Formula 1 to Chemical Formula 6 are as described in the specification.
Disclosed are a resist underlayer composition, and a method of forming a pattern using the resist underlayer composition. The resist underlayer composition includes a polymer including a structural unit represented by Chemical Formula 1, a structural unit represented by Chemical Formula 2, a structural unit represented by Chemical Formula 3, or a combination thereof, a compound represented by one or more selected from Chemical Formula 4 to Chemical Formula 6, and a solvent. The definitions of Chemical Formula 1 to Chemical Formula 6 are as described in the specification.
G03F 7/038 - Macromolecular compounds which are rendered insoluble or differentially wettable
C08F 226/06 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
A system for identifying a secondary battery identifier (ID) includes a secondary battery having a secondary battery magnet portion and a wireless charging device includes a wireless charging device magnet portion configured to charge the secondary battery. The wireless charging device magnet portion includes a polar arrangement corresponding to the secondary battery magnet portion to exert an attractive force between the wireless charging device magnet portion and the secondary battery magnet portion, the secondary battery magnet portion is placed at a position corresponding to the wireless charging device magnet portion, and the wireless charging device magnet portion comprises an ID identifying unit configured to determine that the ID of the secondary battery has been identified, if the secondary battery is charged. Also disclosed is a corresponding method of identifying a secondary battery identifier (ID).
H02J 50/80 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
H02J 50/90 - Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
26.
BATTERY PACK, BATTERY MODULE HAVING THE BATTERY PACK, POWER SUPPLY DEVICE HAVING THE BATTERY MODULE
A battery pack, a battery module including the battery pack, and a power supply device including the battery module. The battery pack includes: a type-1 battery cell; and a series of type-2 battery cells which have an output power and a capacity different from an output power and a capacity of the type-1 battery cell and are arranged along a circumference of the type-1 battery cell to surround the type-1 battery cell. The series of type-2 battery cells are connected in parallel to the type-1 battery cell. The battery pack is a high-power, high-capacity battery pack capable of instantaneously outputting high power without a decrease in lifespan for a long time.
H01M 50/213 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
H01M 4/02 - Electrodes composed of, or comprising, active material
H01M 10/04 - Construction or manufacture in general
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 50/503 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
27.
ALL-SOLID SECONDARY BATTERY AND METHOD OF PREPARING SAME
An all-solid secondary battery includes a solid electrolyte layer disposed between an anode layer and a cathode layer, where the solid electrolyte layer contains a first solid electrolyte layer including a first solid electrolyte and a second electrolyte layer including a second solid electrolyte, where the first solid electrolyte is disposed proximate to the anode layer, the second solid electrolyte layer is disposed proximate to the cathode layer, and the first solid electrolyte has a lithium ion conductivity greater than a lithium ion conductivity of the second solid electrolyte, where a difference between the lithium ion conductivity of the first solid electrolyte and the lithium ion conductivity of the second solid electrolyte is equal to or greater than about 2 mS/cm.
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
Disclosed is an all-solid secondary battery including a cathode layer, an anode layer, and a solid electrolyte layer between the cathode layer and the anode layer, the cathode layer including a cathode current collector and a cathode active material layer on one surface of the cathode current collector, the anode layer including an anode current collector and a first anode active material layer on one surface of the anode current collector, the first anode active material layer including a first anode active material and a second anode active material, and the first anode active material including a first composite anode active material, wherein the first composite anode active material includes a first metal oxide represented by MaOb (0
A separator clamping device includes a body portion including a vacuum passage, the vacuum passage being connected to a vacuum device, a first separator fixing portion on an upper surface of the body portion, the first separator fixing portion being connected to the vacuum passage and being configured to fix a separator onto the upper surface of the body portion by a vacuum suction, and a second separator fixing portion on a side surface of the body portion, the second separator fixing portion being connected to the vacuum passage and being configured to fix the separator onto the side surface of the body portion by a vacuum suction.
A notching apparatus for a secondary battery includes a lower body configured to support an electrode plate which includes a first area coated with an active material and a second area not coated with the active material, the electrode plate to be transferred in a first direction, an upper body configured to vertically move above the lower body, a die on the lower body and arranged to face the second area, a punch hole passing through the die and including a first punch hole, a second punch hole, and a third punch hole sequentially arranged in the first direction, and a punch on the upper body, insertable into the punch hole as the upper body moves downward, and configured to cut the second area.
An embodiment provides a rechargeable battery module comprising a stack including a plurality of battery cells arranged along a first direction, a plurality of insulating assemblies positioned between the battery cells, a side plate positioned at a first end portion of the stack along a first direction and a second end portion opposite to the first end portion to support the battery cells, and an end plate positioned at a third end portion of the stack and a fourth end portion opposite to the third end portion along a second direction crossing the first direction to support the battery cells. The stack is positioned in a space surrounded by the side plate and the end plate, and a distance between at least the outermost battery cell disposed on the periphery of the stack and the battery cell adjacent to the outermost battery cell among the battery cells is at least greater than a distance between battery cells positioned adjacent to the center of the stack.
H01M 50/242 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/293 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
32.
ELECTROLYTE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
An electrolyte for a lithium secondary battery and a lithium secondary battery are disclosed. The electrolyte for a lithium secondary battery includes: a lithium salt; an organic solvent; and an additive, wherein the additive includes a compound represented by Formula 1.
H01M 10/0567 - Liquid materials characterised by the additives
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
An anode and a lithium battery including the same, wherein the anode includes an anode current collector, an electrodeposition induction layer on the anode current collector and including a first carbon-based material, and a protective layer on the electrodeposition induction layer, wherein the first carbon-based material is amorphous carbon including a nitrogen element, and a content of the nitrogen element is more than or equal to about 1 wt % with respect to the total weight of the electrodeposition induction layer.
A lithium secondary battery including a cathode. The cathode includes a cathode current collector and a cathode active material layer on one or both sides of the cathode current collector and including a cathode active material, a gamma sulfur-fibrous carbon-based material composite, and a sulfide-based solid electrolyte, wherein the cathode active material includes Li2S, a Li2S composite, or a combination thereof, and the gamma sulfur-fibrous carbon-based material composite has a structure in which monoclinic gamma phase sulfur (S) is on a fibrous carbon-based material.
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/02 - Electrodes composed of, or comprising, active material
H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
A solid electrolyte, a positive electrode, and an all-solid-state rechargeable battery, the solid electrolyte includes solid ion conductor particles; and a coating layer on a surface of the solid ion conductor particles, wherein the coating layer includes a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2,
A solid electrolyte, a positive electrode, and an all-solid-state rechargeable battery, the solid electrolyte includes solid ion conductor particles; and a coating layer on a surface of the solid ion conductor particles, wherein the coating layer includes a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2,
Li3+aM1bX16+c [Chemical Formula 1]
A solid electrolyte, a positive electrode, and an all-solid-state rechargeable battery, the solid electrolyte includes solid ion conductor particles; and a coating layer on a surface of the solid ion conductor particles, wherein the coating layer includes a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2,
Li3+aM1bX16+c [Chemical Formula 1]
LiX2. [Chemical Formula 2]
A battery pack includes a battery, a terminal unit, a first current path, a second current path, and a first voltage sensing path. The battery has first and second battery terminals. The terminal unit includes a first pack terminal, a second pack terminal, and a first sensing terminal. The first current path includes charging and discharging switches and is located between the first battery terminal and the first pack terminal. A charging current and discharging current of the battery flows on the first current path. The second current path is between the second battery terminal and the second pack terminal. The first voltage sensing path includes the first sensing terminal, and voltage between the first sensing terminal and another terminal corresponds to a voltage between the first battery terminal and the first sensing terminal.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
39.
ANODE MATERIAL FOR ALL-SOLID SECONDARY BATTERY, ANODE LAYER AND ALL-SOLID SECONDARY BATTERY INCLUDING HE SAME, AND MANUFACTURIG METHOD THEREOF
An anode material, an anode layer including the same, an all-solid secondary battery including the anode layer, and a method of manufacturing the all-solid secondary battery, the anode material including a metal-carbon composite, wherein the metal-carbon composite includes a carbon material; and metal particles, and the metal particles are dispersed and complexed in the carbon material, between particles of the carbon material, on a surface of the carbon material, or in two or more locations thereof.
An all-solid-state secondary battery includes: a cathode layer including a cathode active material, an anode layer including an anode current collector and an anode active material layer disposed on the anode current collector, the anode active material layer including an anode active material and amorphous carbon, and a solid electrolyte layer disposed between the cathode active material layer and the anode active material layer, wherein a weight ratio of the anode active material to the amorphous carbon is 1:3 to 1:1, and the anode layer has sheet resistance of about 0.5 milliohms-centimeters or less.
An apparatus for predicting damage to a battery cell includes a battery module including a plurality of battery cells; a voltage sensor configured to measure a voltage of the battery cell; a temperature sensor configured to measure a temperature of the battery cell; a contactor configured to selectively connect or disconnect the battery module; and a processor configured to, in response to at least one of the voltage and the temperature being within a cell damage range for the battery cell, control the contactor to disconnect the battery module and calculate a weighting to determine a degree of damage to the battery cell based on the at least one of the voltage and the temperature.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
G01R 31/367 - Software therefor, e.g. for battery testing using modelling or look-up tables
G01R 31/392 - Determining battery ageing or deterioration, e.g. state of health
G01R 31/396 - Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
An all-solid-state secondary battery includes a cathode layer, an anode layer, and a solid electrolyte layer between the cathode layer and the anode layer, wherein the cathode layer includes a cathode current collector and a cathode active material layer on at least one side of the cathode current collector, the anode layer includes an anode current collector and a first anode active material layer on at least one side of the anode current collector, the first anode active material layer includes an anode active material capable of forming an alloy or compound with lithium, a fibrous carbon-based material, and a binder, a ratio (B/A) of an initial charge capacity (B) of the first anode active material layer to an initial charge capacity (A) of the cathode active material layer is about 0.01 to about 0.75.
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/02 - Electrodes composed of, or comprising, active material
H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
A battery cell includes: an electrode assembly including a positive electrode plate, a negative electrode plate, and a separator between the positive electrode plate and the negative electrode plate; a case accommodating the electrode assembly; a cap plate sealing an opening in the case; an electrode terminal electrically connected to the electrode assembly and protruding outside of the cap plate; and an extinguishing sheet inside the case and configured to impede propagation of fire.
H01M 50/383 - Flame arresting or ignition-preventing means
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
44.
NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, NEGATIVE ELECTRODE INCLUDING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
Disclosed are a negative active material for a rechargeable lithium battery, a negative electrode including the negative active material, and a rechargeable lithium battery including the same. The negative active material includes crystalline carbon, wherein the crystalline carbon has a Raman spectrum peak intensity ratio (ID/IG) of a peak intensity (ID) of a D peak (about 1360 cm−1 to about 1370 cm−1) relative to a peak intensity (IG) of a G peak (about 1580 cm−1 to about 1590 cm−1) of less than about 0.05.
POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION (Republic of Korea)
Inventor
Oh, Seyoung
Lee, Sang-Min
Lee, Hwijoo
Choi, Ilyoung
Kim, Deok-Hyun
Kim, Youngugk
Abstract
A negative electrode active material and a rechargeable lithium battery including the negative electrode active material, the negative electrode active material includes a core including a carbon material; vanadium oxide on a surface of the core; and a fluorine (F)-containing carbon layer on the surface of the core and on a surface of the vanadium oxide.
A binder for rechargeable lithium batteries and a rechargeable lithium battery including the binder are disclosed. The binder for rechargeable lithium batteries includes a unit derived from a (meth)acrylic monomer containing a carboxylic acid group or a carboxylic acid metal salt as a first monomer; a unit derived from a (meth)acrylic monomer containing an amide group or a nitrile group as a second monomer; and a unit derived from a Zwitterionic vinyl or (meth)acrylic monomer as a third monomer.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
SAMSUNG SDI CO., LTD. (Republic of Korea)
Inventor
Choi, Bo Na
Park, June
Ryu, Won Yeong
Hwang, Seung Sik
Kim, Mok Won
Lee, Yong Gun
Abstract
Disclosed is a binder for forming a solid electrolyte film, comprising a first copolymer that includes structural units derived from a non-polar aromatic vinyl-based first monomer, an aliphatic conjugated diene-based second monomer, and a conjugated polyene-based third monomer; and a second copolymer including a structural unit derived from at least one of a polar monomer and a non-polar monomer, a film-type structure for a secondary battery including the same, and a secondary battery including the film-type structure.
KOREA KUMHO PETROCHEMICAL CO., LTD. (Republic of Korea)
SAMSUNG SDI CO., LTD. (Republic of Korea)
Inventor
Choi, Bo Na
Park, June
Ryu, Won Yeong
Hwang, Seung Sik
Kim, Mok Won
Lee, Yong Gun
Abstract
Disclosed are a binder for forming a solid electrolyte film, which includes a copolymer including structural units derived from a non-polar aromatic vinyl-based first monomer, an aliphatic conjugated diene-based second monomer, and a conjugated polyene-based third monomer, a film-type structure for a secondary battery including the same, and a secondary battery including the film-type structure.
The present invention relates to an organic optoelectronic element and a display device, the organic optoelectronic element comprising: a positive electrode and a negative electrode facing each other; a light-emitting layer positioned between the positive electrode and negative electrode; a hole transport layer positioned between the positive electrode and light-emitting layer; and an auxiliary hole transport layer positioned between the light-emitting layer and hole transport layer, wherein the auxiliary hole transport layer comprises a first auxiliary hole transport layer adjacent to the hole transport layer and a second auxiliary hole transport layer adjacent to the light-emitting layer, the first auxiliary hole transport layer comprising a first compound represented by chemical formula 1, and the second auxiliary hole transport layer comprising a second compound represented by chemical formula 2. The details of chemical formulae 1 and 2 are as defined in the specification.
A positive electrode for a rechargeable lithium battery includes a positive active material including small particle diameter monolith particles having a particle diameter of about 1 μm to about 8 μm and including a first nickel-based lithium metal oxide, and large particle diameter secondary particles having a particle diameter of about 10 μm to about 20 μm and including a second nickel-based lithium metal oxide. An X-ray diffraction peak intensity ratio (I(003)/I(104)) of the positive electrode is greater than or equal to about 3. A rechargeable lithium battery includes the positive electrode.
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
C01G 53/42 - Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2
H01M 4/02 - Electrodes composed of, or comprising, active material
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
51.
NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative active material including a rod-shaped crystalline carbon; and a silicon-carbon composite.
An electrode manufacturing apparatus and an electrode manufacturing method, the apparatus includes a first coater configured to coat a first surface of a current collector with an electrode active material slurry; and a first dryer configured to come into contact with the current collector that has passed through the first coater and heat the current collector.
B05D 7/00 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
F26B 3/20 - Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source being a heated surface
UNIST (Ulsan National Institute of Science and Technology) (Republic of Korea)
Inventor
Woo, Seong Ho
Kim, Dae Sik
Lee, Sung Kook
Kim, Ji Young
Lee, Bo Ram
Lee, Hyun-Wook
Park, Changhyun
Jung, Ukhyun
Abstract
A method for analyzing deformation of a secondary battery having an electrode assembly received in a case, the method including obtaining a first image by performing computed tomography (CT) imaging on the secondary battery, calculating a first summation value of long and short diameters of the case from the first image, obtaining multiple charge and discharge cycles of the secondary battery after charging and discharging the secondary battery multiple times so that the secondary battery deteriorates, obtaining a second image by performing CT imaging on the deteriorated secondary battery, calculating a second summation value of the long and short diameters of the case from the second image and determining that the electrode assembly is deformed if a value obtained by subtracting the first summation value from the second summation value is greater than a reference value.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
G06T 7/62 - Analysis of geometric attributes of area, perimeter, diameter or volume
H01M 10/0587 - Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
UNIST (Ulsan National Institute of Science and Technology) (Republic of Korea)
Inventor
Woo, Seong Ho
Kim, Dae Sik
Lee, Sung Kook
Kim, Ji Young
Lee, Bo Ram
Lee, Hyun-Wook
Park, Changhyun
Jung, Ukhyun
Abstract
A method and device for analyzing deformation of a secondary battery having an electrode assembly with a tab received in a case, the deformation analysis method including obtaining a first image by performing computed tomography (CT) imaging on the secondary battery, calculating a first position of the tab from the first image, obtaining a number of charge and discharge cycles of the secondary battery after charging and discharging the secondary battery multiple times so that the secondary battery deteriorates, obtaining a second image by performing CT imaging on the secondary battery deteriorated, calculating a second position of the tab from the second image and determining that the electrode assembly is deformed if an amount of change between the first position and the second position is greater than a reference value.
G01N 23/046 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
The present disclosure relates to a secondary battery which a vent portion can be reused. The secondary battery includes: an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a case accommodating the electrode assembly and including at least one open side; a cap plate sealing the open side of the and including a vent hole; and a safety vent on the cap plate. The safety vent is configured to move between a closed position closing the vent hole and an open position opening the vent hole, and the safety vent has a magnetic force biasing the safety vent into the closed position.
A battery pack includes battery cells between first and second pack terminals, balancing resistors respectively connected to the battery cells, balancing switches respectively connected to the battery cells and to the balancing resistors, and configured to form a closed circuit by connecting a corresponding one of the battery cells to a corresponding one of the balancing resistors, a rack fuse between the battery cells and the first pack terminal, or between the battery cells and the second pack terminal, a current sensor between the battery cells and the first pack terminal or the second pack terminal, and a controller configured to detect pack current between the first and second pack terminals through the current sensor, to control the balancing switches, and to detect a short-circuit between the first and second pack terminals based on the pack current and turn on all of the balancing switches.
A solid electrolyte for an all solid-state battery and an all solid-state battery including the solid electrolyte for an all solid-state battery, the solid electrolyte for an all solid-state battery includes an argyrodite-type compound; a sulfur-containing compound; and an iodine-containing compound, and the all solid-state battery includes a negative electrode; a positive electrode; and a solid electrolyte layer between the positive electrode and the negative electrode.
Provided is a positive electrode for a solid-state secondary battery, which suppresses the internal resistance of a battery while causing a solid-state secondary battery to have a sufficiently high energy density, and thus satisfies high levels with respect to both capacity and output.
Provided is a positive electrode for a solid-state secondary battery, which suppresses the internal resistance of a battery while causing a solid-state secondary battery to have a sufficiently high energy density, and thus satisfies high levels with respect to both capacity and output.
The positive electrode for a solid-state secondary battery includes a positive electrode current collector and a positive electrode active material layer, wherein the positive electrode active material layer includes a positive electrode active material, a solid electrolyte, a binder, and a conductive auxiliary agent, an amount of the positive electrode active material based on 100 wt % of the positive electrode active material layer is greater than or equal to 85 wt % and less than or equal to 92 wt %, an amount of the solid electrolyte based on 100 wt % of the positive electrode active material layer is greater than or equal to 7 wt % and less than or equal to 15 wt %, when the amount of the positive electrode active material in the positive electrode active material layer is 100 wt %, an amount of the binder in the positive electrode active material layer is greater than or equal to 0.1 wt % and less than or equal to 1.0 wt %, when the amount of the solid electrolyte in the positive electrode active material layer is 100 wt %, an amount of the conductive auxiliary agent in the positive electrode active material layer is greater than or equal to 0.1 wt % and less than or equal to 10 wt %.
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/02 - Electrodes composed of, or comprising, active material
H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
COMPOSITION FOR REMOVING EDGE BEAD FROM METAL CONTAINING RESISTS, DEVELOPER COMPOSITION OF METAL CONTAINING RESISTS, AND METHOD OF FORMING PATTERNS USING THE COMPOSITION
Provided are a composition selected from a composition for removing edge beads from metal-containing resists and a developer composition of metal-containing resists, and a method of forming patterns using the same, the composition includes a compound including at least two ketone groups; and an organic solvent including at least one selected from an acetate-based solvent and an alcohol-based solvent, wherein the compound including at least two ketone groups is included in an amount of about 10 to about 70 wt % based on the total weight of the composition, and the organic solvent is included in an amount of about 30 to about 90 wt % based on a total weight of the composition.
BINDER FOR NEGATIVE ELECTRODE OF RECHARGEABLE LITHIUM BATTERY, NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME
A binder for a negative electrode of a rechargeable lithium battery, a negative electrode for a rechargeable lithium battery including the same, and a rechargeable lithium battery including the same are provided. The binder includes a copolymer constructed from a unit derived from an aromatic vinyl-based monomer, a unit derived from a (meth)acrylic ester-based monomer, and a unit derived from a triene-based monomer.
The present invention relates to an organic light emitting diode comprising a non-transparent substrate, an anode, a cathode, an emission layer, an electron injection layer and an electron transport layer stack; a method for preparing the same; and to a display device or lighting device comprising the same.
H10K 71/16 - Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
H10K 85/60 - Organic compounds having low molecular weight
62.
POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY INCLUDING THE POSITIVE ELECTRODE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY
Provided are a positive electrode active material for a lithium secondary battery, a method of preparing the positive electrode active material, and a lithium secondary battery including a positive electrode that includes the positive electrode active material, wherein the positive electrode active material includes large crystal secondary particles of a nickel-based lithium metal oxide which include a plurality of primary particles, wherein the large crystal secondary particles have a hollow structure having pores therein, the primary particles have a size of about 1 pm to about 4 pm, the large crystal secondary particles have a size of about 10 pm to about 18 pm, the positive electrode active material comprises a coating layer containing a cobalt compound which is on surfaces of the large crystal secondary particles of the nickel-based lithium metal oxide, and the large crystal secondary particles of the nickel-based lithium metal oxide are doped with molybdenum.
H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
A polymer, an organic layer composition, and a method of forming patterns, the polymer including a structural unit represented by Chemical Formula 1 or Chemical Formula 2:
A polymer, an organic layer composition, and a method of forming patterns, the polymer including a structural unit represented by Chemical Formula 1 or Chemical Formula 2:
C08F 138/00 - Homopolymers of compounds having one or more carbon-to-carbon triple bonds
C09D 149/00 - Coating compositions based on homopolymers or copolymers of compounds having one or more carbon-to-carbon triple bondsCoating compositions based on derivatives of such polymers
G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfacesMaterials therefor, e.g. comprising photoresistsApparatus specially adapted therefor
A negative active material for a rechargeable lithium battery includes a secondary particle in which a plurality of natural graphite primary particles are agglomerated, the plurality of primary particles including natural graphite, and the secondary particle including pores, and an amorphous carbon positioned in the pores, wherein an area of the amorphous carbon is about 10% to about 30% based on a total area of 100% of the negative active material, in a cross-section of the negative active material.
A positive electrode for a rechargeable lithium battery includes a positive active material including small particle diameter monolith particles having a particle diameter of about 1 μm to about 8 μm and including a first nickel-based lithium metal oxide, and large particle diameter secondary particles having a particle diameter of about 10 μm to about 20 μm and including a second nickel-based lithium metal oxide. An X-ray diffraction peak intensity ratio (I(003)/I(104)) of the positive electrode is greater than or equal to about 3. A rechargeable lithium battery includes the positive electrode.
H01M 4/02 - Electrodes composed of, or comprising, active material
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
66.
METHOD, APPARATUS AND COMPUTER-READABLE MEDIUM FOR DIAGNOSING DEGREE OF DETERIORATION OF SURGE PROTECTOR
An apparatus for diagnosing a surge protector connected to a battery includes a first switch configured to open and close a line that connects the first line to the second line by being directly connected to one end of each of the first line and the second line, a second switch configured to open and close a line that connects the second line to the third line by being directly connected to one end of each of the second line and the third line, and a processor configured to control opening/closing operations of the first switch and the second switch, measure a diagnostic voltage applied to the diagnostic resistor according to the opening/closing operation of the first switch and the second switch, and diagnose the surge protector based on the diagnostic voltage. A corresponding method and non-transitory computer-readable medium are also disclosed.
A connector mounted on a printed circuit board includes a first layer including connector holes having an array structure of two or more columns allowing connector pins to be inserted thereinto, a spark gap between connector hole(s) of the plurality of connector holes and a ground of a printed circuit board, and a conductor line having an end connected to the connector hole(s), the conductor line being arranged between the ground of the printed circuit board and the connector hole(s), and a second layer stacked on a surface of the first layer including connector holes orthogonally spaced from and corresponding to the connector holes of the first layer, and a spark gap between a connector hole, among the plurality of connector holes of the second layer, corresponding to the connector hole(s) of the first layer, and a ground of the printed circuit board.
H05K 1/14 - Structural association of two or more printed circuits
H05K 1/18 - Printed circuits structurally associated with non-printed electric components
68.
BINDER FOR NEGATIVE ELECTRODE OF RECHARGEABLE LITHIUM BATTERY, NEGATIVE ELECTRODE OF RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME
A negative electrode binder for rechargeable lithium batteries and a rechargeable lithium battery including the same are disclosed. The binder of negative electrode includes: a unit derived from a first monomer; and a unit derived from a (meth)acrylic monomer as a second monomer. The first monomer includes at least one of a (meth)allyl ether monomer or a (meth)acryl ester monomer, and each of the (meth)allyl ether monomer and the (meth)acryl ester monomer contains an alkyl group having a carbon number of 3 or more and an anionic functional group.
A negative electrode for a rechargeable lithium battery includes a current collector and a negative active material layer on the current collector, wherein the negative active material layer includes a first region adjacent to the current collector and a second region not in contact with the current collector, the negative active material layer includes a carbonaceous material and a Si-based material including Si, and an amount of Si included in the negative active material layer is different in the first region and the second region.
A battery pack includes a battery module including battery cells, a current measurement module measuring a charge current supplied to the battery module, and a processor. Upon detecting connection of a charger to the battery pack, the processor sets a sinusoidal waveform charge current frequency supplied from the charger to the battery module as first frequency, recognizes the charge current frequency based on a charge current value measured through a current measurement module according to a first number of sampling times for one cycle set to the first frequency, and adjusts the number of sampling times for one cycle based on the recognized frequency of the charge current. A corresponding charge current measuring method of measuring a charge current and a charge current measurement systems are also provided.
An apparatus for indicating a battery state includes a battery module configured to supply power to an electronic appliance; a switch module configured to receive user manipulation input for terminating operation of the electronic appliance; and a processor being configured to receive user manipulation input for terminating operation of the electronic appliance through the switch module, to determine whether a current operation of the electronic appliance is to be continued, and, in response to receiving the user manipulation input and determining that the current operation of the electronic appliance is to be continued, to turn off a state indication module indicating a state of a battery and to maintain discharge from the battery module until current operation of the electronic appliance is finished.
G01R 31/371 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
72.
APPARATUS AND METHOD FOR MONITORING STATUS OF RELAY CIRCUIT
An apparatus for monitoring a status of a relay circuit includes relay circuits configured to apply driving power to battery management devices, a microcomputer configured to output relay control signals for turning on/off the relay circuits, and a current application/detection circuit configured to apply a current to each of the relay circuits that are turned on by the relay control signals output from the microcomputer, and to convert and detect a total current applied to the turned-on relay circuits to a voltage level, wherein the microcomputer compares a current detected through the current application/detection circuit while selectively turning on/off the relay circuits and a current calculated corresponding to the number of relay circuits to which relay-on signals have been output up to a current point, and determines an operation status of the relay circuits according to whether the currents are equal within a specified error range.
H01H 47/00 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
G01R 31/327 - Testing of circuit interrupters, switches or circuit-breakers
H01H 47/32 - Energising current supplied by semiconductor device
A battery module includes a battery cell, a side plate facing a side of the battery cell and including a first opening portion, a cell terminal protruding from the battery cell toward the side plate, a busbar holder coupled to the side plate, located between the side plate and the battery cell, and including a second opening portion in communication with the first opening portion, and a busbar supported by the busbar holder, covering the second opening portion, and connected to the cell terminal.
H01M 50/507 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/503 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
H01M 50/516 - Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
74.
ELECTRONIC ELEMENT ASSEMBLY AND BATTERY MODULE INCLUDING THE SAME
An electronic element assembly includes a circuit board, an electronic element mounted on the circuit board, a plurality of first connection terminals coupled to the circuit board and configured to be electrically connected to the electronic element, the plurality of first connection terminals being electrically connected to a plurality of first electrical wires, and a plurality of second connection terminals coupled to the circuit board and configured to be electrically connected to the electronic element, the plurality of second connection terminals being electrically connected to a plurality of second electrical wires spaced apart from the plurality of first electrical wires.
H01M 50/519 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/271 - Lids or covers for the racks or secondary casings
H01M 50/284 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with incorporated circuit boards, e.g. printed circuit boards [PCB]
H01M 50/298 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by the wiring of battery packs
H01M 50/503 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
H01M 50/514 - Methods for interconnecting adjacent batteries or cells
H01M 50/583 - Devices or arrangements for the interruption of current in response to current, e.g. fuses
H05K 1/18 - Printed circuits structurally associated with non-printed electric components
75.
NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the negative electrode are provided. The negative electrode includes a first negative active material including a crystalline carbon negative active material, a second negative active material including a silicon-carbon composite; and a current collector between the first negative active material layer and the second negative active material layer.
Disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative electrode includes a negative electrode active material, a cellulose-based compound, and a binder, and an amount of Na in the negative electrode is about 200 ppm to about 600 ppm.
Disclosed are a compound for an organic optoelectronic device represented by Chemical Formula 1, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device. The contents of Chemical Formula 1 are as defined in the detailed description.
IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) (Republic of Korea)
Inventor
Bae, Woo Jin
Wakita, Shinya
Lee, Kang Hee
Lee, Junyong
Moon, Jongseok
Park, Jongseok
Park, Jinhwan
Woo, Hyunsik
Kim, Heemin
Pyo, Su-Jin
Ban, A-Hyeon
Kim, Dong-Won
Abstract
Disclosed is a rechargeable lithium battery including a positive electrode, a negative electrode, a separator between the positive electrode and the negative electrode, and a gel polymer electrolyte, wherein the positive electrode includes a positive electrode active material including a lithium cobalt-based oxide; the gel polymer electrolyte includes a polymer and an electrolyte solution; the polymer has three or more functional groups but not include an ether group; the electrolyte includes a lithium salt and a solvent; and the lithium slat includes lithium difluoro(oxalato)borate and LiBF4.
H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0567 - Liquid materials characterised by the additives
H01M 10/0568 - Liquid materials characterised by the solutes
H01M 10/0569 - Liquid materials characterised by the solvents
79.
METHOD AND DEVICE FOR CONVERTING MULTI SINGLE BEAM OF MULTI SINGLE MODE FROM SINGLE BEAM OF SINGLE MODE, MULTI SINGLE BEAM MADE BY METHOD, METHOD OF MEASURING MULTI SINGLE BEAM, AND RECHARGEABLE BATTERY WELDED WITH MULTI SINGLE BEAM
A device for converting a single beam of a single mode to a multi single beam of a multi single mode, the device including an input fiber configured to input the single beam of the single mode, a collimating lens within a housing connected to the input fiber and configured to convert the single beam of the single mode to the multi single beam of the multi single mode to be directed in parallel while passing the single beam of the single mode inputted to an inlet of the housing, a focusing lens within the housing configured to collect the multi single beam of the multi single mode via the collimating lens to be directed to an outlet of the housing, and an output fiber connected to the outlet of the housing configured to output the multi single beam of the multi single mode.
A battery pack includes plurality of battery cells, with each of the battery cells including a vent. A housing accommodates the battery cells and a cover covers an upper surface of the housing. A bus bar connects the plurality of battery cells to each other. A heat sink is positioned on the cover. A heat transfer material is applied to the bus bar and covers at least a part of the heat sink. The heat sink includes a body including a plurality of windows that are positioned to correspond to the vents of the battery cells, and a leg extending from the body toward the bus bar.
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/271 - Lids or covers for the racks or secondary casings
H01M 50/367 - Internal gas exhaust passages forming part of the battery cover or caseDouble cover vent systems
H01M 50/507 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
81.
NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME
A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative electrode including a current collector; and a negative electrode active material layer located on the current collector and including a negative electrode active material. The negative electrode active material includes a silicon-based composite, the silicon-based composite is a composite of a silicon-based active material, a phenoxy resin, and carbon nanotubes, and a weight ratio of the silicon-based active material and the carbon nanotubes ranges from about 1:0.0013 to about 1:0.01.
H01M 4/60 - Selection of substances as active materials, active masses, active liquids of organic compounds
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
82.
ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING A COMPOUND OF FORMULA (I) AND A COMPOUND OF FORMULA (II), AND DISPLAY DEVICE COMPRISING THE ORGANIC ELECTROLUMINESCENT DEVICE
The present invention relates to an electroluminescent device comprising a compound of formula (I) and a compound of formula (II), and a display device comprising the organic electroluminescent device.
H10K 101/30 - Highest occupied molecular orbital [HOMO], lowest unoccupied molecular orbital [LUMO] or Fermi energy values
83.
METHOD AND DEVICE FOR CREATING MULTI-SINGLE-BEAM IN MULTI-SINGLE-MODE FROM SINGLE-BEAM IN SINGLE-MODE, MULTI-SINGLE-BEAM GENERATED THEREBY, METHOD FOR MEASURING MULTI-SINGLE-BEAM, AND RECHARGEABLE BATTERY WELDED USING SAID MULTI-SINGLE-BEAM
Provided is a device for creating a multi-single-beam in multi-single-mode from a single-beam in single-mode. The device includes: an incident fiber on which a single-beam in single-mode is incident; a collimating lens which is embedded in a housing connected to the incident fiber and through which the single-beam incident on the entrance of the housing passes, and which converts the single-beam in single-mode into a multi-single-beam in multi-single-mode and allows same to proceed in parallel; a focus lens which is embedded in the housing to collect the single-beams in multi-single-mode, which have passed through the collimating lens, and directs same to an outlet; and an emission fiber connected to the outlet of the housing to emit the multi-single-beam in multi-single-mode.
Provided is a device and method for measuring the pressure density of a powder material for an all-solid rechargeable battery. The device for measuring the pressure density of a powder material for an all-solid rechargeable battery according to an embodiment comprises: an upper plate; an intermediate plate which is provided below the upper plate, and has a central pressing portion and a flange outside of the pressing portion; a lower plate which ascends and descends below the intermediate plate and presses, against the intermediate plate, a pellet die on which is placed a powder material to be measured for pressure; a first length sensor which is installed on the upper plate and connected to the lower plate, and which measures longitudinal deformation according to pressure and applies the measurement result to a controller; and a second length sensor which is installed on the lower plate and connected to the intermediate plate, and which measures longitudinal deformation according to pressure and applies the measurement result to the controller.
An all-solid secondary battery includes a cathode layer; an anode layer; and a solid electrolyte layer disposed between the cathode layer and the anode layer, wherein the cathode layer comprises a cathode current collector, a cathode active material layer disposed on the cathode current collector, and an inactive member disposed on one side surface of the cathode active material layer, wherein the anode layer comprises an anode current collector and a first anode active material layer disposed on the anode current collector.
A battery system includes a housing, battery cells in the housing, and including venting exits for allowing a venting gas stream to exit at top or bottom sides of the battery cells, a bottom plate covering the bottom sides of the battery cells, a crossbeam separating neighboring ones of the battery cells, including a lower end on the bottom plate, and extending from the bottom plate to be adjacent the top sides of the neighboring ones of the battery cells, a cover plate extending from one of the neighboring ones of the battery cells over the crossbeam to another one of the neighboring ones of the battery cells to cover an upper end of the crossbeam, and to at least partly cover the top sides of the neighboring ones of the battery cells, the cover plate being configured to be fixed to the crossbeam via a first fixation member.
H01M 50/271 - Lids or covers for the racks or secondary casings
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/289 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs
H01M 50/367 - Internal gas exhaust passages forming part of the battery cover or caseDouble cover vent systems
87.
BATTERY SYSTEM WITH IMPROVED THERMAL RUNAWAY HANDLING
A battery system includes: a housing; a battery cell accommodated within the housing, the battery cell having a venting side with a venting exit; and a housing cover sealing the battery cell in the housing. The housing cover includes an outer layer and an inner layer, the inner layer facing the venting side and forming part of a venting channel, and the outer layer being coated on its outside surface with an anti-corrosion coating. The outer layer and the inner layer are spaced from each other such that an air gap is formed between the outer layer and the inner layer.
H01M 50/24 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
H01M 50/375 - Vent means sensitive to or responsive to temperature
A battery system for an electric vehicle includes: a plurality of battery cells, each of the battery cells having a venting side with a venting exit for allowing a venting gas stream to exit the battery cells; a housing accommodating the battery cells; a cover plate covering the battery cells at the venting sides to protect the battery cells from venting products in the venting gas stream, the cover plate having venting openings respectively aligned with the venting exits for allowing the venting gas stream pass through the cover plate; a thermally insulating sealing layer between the cover plate and the venting sides of the battery cells, the sealing layer extending around the venting exits; and a mounting component fixing the cover plate to the housing such that the cover plate exerts a compression force onto the sealing layer.
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 50/198 - Sealing members characterised by the material characterised by physical properties, e.g. adhesiveness or hardness
H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
H01M 50/264 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
H01M 50/586 - Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY (Republic of Korea)
Inventor
Han, Jungmin
Song, Jayhyok
Kim, Jinkyu
Lee, Kyulin
Sohn, Kee-Sun
Lee, Jinhyeok
Park, Kyusung
Abstract
aaM1xxM2w(y-α-β)αββ)M3zz In chemical formula 1, M1is at least one element selected from groups 2 and 11 of the periodic table, M2is at least one element other than Li selected from group 1 of the periodic table, M3 is at least one element selected from group 17 of the periodic table, 4≤a≤8, 0
A solid electrolyte membrane, a preparation method thereof, and an all-solid rechargeable batteries are provided, wherein the solid electrolyte membrane comprises a first layer containing solid electrolyte particles, a second layer located on the first layer and containing a composite, and a third layer located on the second layer and containing solid electrolyte particles, the composite including: a core containing diamagnetic particles; and a shell enclosing the core and containing a solid electrolyte.
A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case having an opening and housing the electrode assembly; and a cap assembly sealing the opening of the case, and the cap assembly includes: a cap plate bonded to the case and covering the opening; a terminal plate bonded to the cap plate; and a thermal fusion member between the terminal plate and the cap plate and thermally fused with the terminal plate and the cap plate.
Provided are an electrolyte additive for lithium secondary battery including a compound represented by Formula 1 below, an electrolyte for lithium secondary battery including the same, and a lithium secondary battery including the electrolyte.
Provided are an electrolyte additive for lithium secondary battery including a compound represented by Formula 1 below, an electrolyte for lithium secondary battery including the same, and a lithium secondary battery including the electrolyte.
Provided are an electrolyte additive for lithium secondary battery including a compound represented by Formula 1 below, an electrolyte for lithium secondary battery including the same, and a lithium secondary battery including the electrolyte.
wherein, in Formula 1, R1 to R3 are as defined in the detailed description.
H01M 10/0567 - Liquid materials characterised by the additives
H01M 4/02 - Electrodes composed of, or comprising, active material
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0568 - Liquid materials characterised by the solutes
H01M 10/0569 - Liquid materials characterised by the solvents
A battery cell includes: a metal cell housing having a top side, a bottom side, and side walls, the housing has a venting exit to allow a venting gas stream to exit from the housing at the top side and/or at the bottom side of the housing to form a venting side of the battery cell; and a cell sheathing covering an outer surface of the top side, the bottom side, and the side walls of the housing. The cell sheathing includes a composite material including a fiber mat embedded in a matrix support material. The cell sheathing has a venting opening at the venting side and aligned with the venting exit to allow the venting gas stream to pass through the cell sheathing.
H01M 50/122 - Composite material consisting of a mixture of organic and inorganic materials
H01M 50/124 - Primary casingsJackets or wrappings characterised by the material having a layered structure
H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
H01M 50/367 - Internal gas exhaust passages forming part of the battery cover or caseDouble cover vent systems
A cylindrical secondary battery according to the present disclosure comprises: an electrode assembly having a positive electrode plate, a separator, and a negative electrode plate; a cylindrical can, housing the electrode assembly and having an open bottom, in electrical contact with the negative electrode plate; a terminal rivet penetrating the top of the cylindrical can be in electrical contact with the positive electrode plate; and a cap assembly sealing the bottom end of the cylindrical can, wherein the cap assembly comprises a cap plate, and a gasket covering the entire surface of the cap plate.
H01M 50/152 - Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
H01M 50/107 - Primary casingsJackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
H01M 50/167 - Lids or covers characterised by the methods of assembling casings with lids by crimping
H01M 50/186 - Sealing members characterised by the disposition of the sealing members
The present invention relates to an all solid-state battery and an all solid-state battery stack, the all solid-state battery comprising: a negative electrode including a negative electrode protective layer, a negative electrode coating layer, and a negative electrode current collector positioned between the negative electrode protective layer and the negative electrode coating layer; a positive electrode; and a solid electrolyte layer positioned between the negative electrode and the positive electrode.
The present invention relates to a secondary battery and, in order to resolve a technical problem, provides a secondary battery, which blocks a leakage welding current when welding a current collecting plate to a can by coupling an insulating plate to the current collecting plate, and thus increases the welding strength between the current collecting plate and the can, improves welding strength distribution, and prevents damage between the current collecting plate and the can. To this end, disclosed is a secondary battery comprising: a cylindrical can having an opening; an electrode assembly which is accommodated in the opening of the cylindrical can and which is wound in a cylinder shape; a cap assembly which is electrically connected to the electrode assembly and which seals the cylindrical can; a current collecting plate for electrically connecting the electrode assembly with the cylindrical can; and an insulating plate inserted between the current collecting plate and the cylindrical can.
H01M 50/586 - Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
H01M 10/04 - Construction or manufacture in general
H01M 50/179 - Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for cells having curved cross-section, e.g. round or elliptic
A separator includes a substrate and a coating layer disposed on the substrate. The coating layer includes first and second organic particles, and inorganic particles. An average particle diameter of the first organic particles is larger than an average particle diameter of the second organic particles and the inorganic particles. The first organic particles protrude from a surface of the coating layer to a height of about 0.1 m to about 0.5 m and are distributed on the surface of the coating layer at an area ratio of about 5% to about 15% of a surface area of the coating layer. A weight ratio of the organic particles to the inorganic particles is about 20:80 to about 40:60. As a result, improved adhesion to electrodes, heat resistance, insulating properties, and air permeability may be achieved, and lifetime characteristics of a lithium battery including the separator may be improved.
H01M 50/451 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
H01M 50/457 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
H01M 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
A secondary battery reduces or prevents the likelihood of lifting or twisting by increasing the fixing force between an electrode plate and a separator of a stacked electrode assembly, and reduces or prevents the likelihood of damage to an electrode plate due to being pressed by a lower insulating member of a cap assembly. A secondary battery may include an electrode assembly including first and second electrode plates alternately stacked with a separator therebetween, a first current collector plate coupled to the first electrode plate, a case accommodating the electrode assembly and the first current collector plate, a cap plate coupled to the case, a first terminal contacting the first current collector plate, and having an upper end penetrating the cap plate, and an insulating tape covering upper and lower surfaces of the electrode assembly, fixing the electrode assembly, and extending along a longitudinal direction of the cap plate.
H01M 50/14 - Primary casingsJackets or wrappings for protecting against damage caused by external factors
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0583 - Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with ‘’Z’’-shaped electrodes or separators
H01M 50/103 - Primary casingsJackets or wrappings characterised by their shape or physical structure prismatic or rectangular
H01M 50/55 - Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
