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Resultados 359 resultados LastUpdate Última actualización 22/02/2020 [18:23:00] pdf PDF

Publicaciones de los últimos 15 días/Last 15 days publications (excluidas publicaciones CN/CN publications excluded)

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PRE-LITHIATION METHOD OF NEGATIVE ELECTRODE FOR SECONDARY BATTERY

NºPublicación: US2020058929A1 20/02/2020

Solicitante:

LG CHEMICAL LTD [KR]

CN_110178252_A

Resumen de: US2020058929A1

A method of pre-lithiating an electrode for a secondary battery, the method including: a first step of bringing a lithium metal into direct contact with an electrode in an electrolyte and applying pressure to the electrode to prepare a pre-lithiated electrode; and a second step of removing the lithium metal and then applying pressure to the pre-lithiated electrode to perform a stabilization process. The electrode for the secondary battery after going through the pre-lithiation can relieve volume change of the electrode and reduce contact loss of the electrode.

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HIGH-POROSITY SEPARATOR FILM WITH COATING AND SHUT DOWN FUNCTION

NºPublicación: US2020058915A1 20/02/2020

Solicitante:

TREOFAN GERMANY GMBH & CO KG [DE]

Resumen de: US2020058915A1

The coated, porous film has dual safety features. Furthermore, the invention also concerns a process for the production of a film of this type as well as its use in high energy or high performance systems, in particular in lithium, lithium ion, lithium-polymer and alkaline-earth batteries.

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ADAPTER FOR BATTERY PACKS

NºPublicación: US2020058910A1 20/02/2020

Solicitante:

BRIGGS & STRATTON CORP [US]

Resumen de: US2020058910A1

A battery adapter assembly for engine-powered outdoor power equipment including a battery pack, an adapter, a receiver, and a starting motor. The battery pack includes multiple battery cells, a positive terminal, and a negative terminal and is removable and replaceable. The adapter is structured to selectively connect to the battery pack and electrically connect to the positive terminal and the negative terminal of the battery pack. The receiver is structured to selectively receive and electrically connect to the adapter to transfer power from the battery pack to the receiver. The starting motor is structured to start an internal combustion engine and selectively receives power supplied by the battery pack. The adapter is structured to connect to and transfer power from multiple battery packs having different voltages.

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ELECTRODE FOR LITHIUM SECONDARY BATTERY COMPRISING PROTECTIVE LAYER AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

NºPublicación: US2020058942A1 20/02/2020

Solicitante:

LG CHEMICAL LTD [KR]

Resumen de: US2020058942A1

An electrode for a lithium secondary battery including a protective layer, and a lithium secondary battery including the same. The protective layer contains a thermally conductive material. The electrode for the lithium secondary battery maintains uniform heat distribution on a surface of the electrode during charging and discharging, so that lithium dendrites grow uniformly on the surface. Accordingly, the electrode does not cause a problem of an increase in contact area between the electrode and an electrolyte by the non-uniform growth of the lithium dendrites, or a problem of peeling of the protective layer, thereby improving stability and lifetime characteristics when applied to the battery.

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COMPOUND, PREPARATION METHOD THEREFORE, AND USE IN LITHIUM ION SECONDARY BATTERY

NºPublicación: US2020058924A1 20/02/2020

Solicitante:

SHENZHEN BTR NEW ENERGY MAT INC [CN]

JP_2019530190_A

Resumen de: US2020058924A1

Disclosed in the present application is a compound, comprising nano silicon, a lithium-containing compound and a carbon coating, or comprising nano silicon, silicon oxide, a lithium-containing compound, and a carbon coating. The method comprises: (1) solid-phase mixing of carbon coated silicon oxide with a lithium source; and (2) preforming heat-treatment of the pre-lithium precursor obtained in step (1) in a vacuum or non-oxidising atmosphere to obtain a compound. The method is simple, and has low equipment requirements and low costs; the obtained compound has a stable structure and the structure and properties do not deteriorate during long-term storage, a battery made of cathode material containing said compound exhibits high delithiation capacity, high initial coulombic efficiency, and good recycling properties, the charging capacity is over 1920 mAh/g, the discharging capacity is over 1768 mAh/g, and the initial capacity is over 90.2%.

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BATTERY, BATTERY MODULE AND METHOD FOR PRODUCING SEPARATOR

NºPublicación: US2020058912A1 20/02/2020

Solicitante:

PANASONIC IP MAN CO LTD [JP]

JP_WO2018061894_A1

Resumen de: US2020058912A1

The battery module includes a plurality of batteries that are stacked and a heat transfer suppression member disposed between adjacent two batteries.

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HIGHLY-POROUS SEPARATOR FILM WITH A COATING

NºPublicación: US2020058916A1 20/02/2020

Solicitante:

TREOFAN GERMANY GMBH & CO KG [DE]

Resumen de: US2020058916A1

Furthermore, the invention also concerns a process for the production of a film of this type as well as its use in high energy or high performance systems, in particular in lithium, lithium ion, lithium-polymer and alkaline-earth batteries.

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ENERGY STORAGE APPARATUS

NºPublicación: US2020058913A1 20/02/2020

Solicitante:

GS YUASA INT LTD [JP]

CN_109616600_A

Resumen de: US2020058913A1

An energy storage apparatus includes one or more energy storage devices and an outer housing that houses the one or more energy storage devices. The outer housing includes an opening that allows communication between an interior and an exterior of the outer housing. The opening is sealed by a first pressure adjuster and a second pressure adjuster arranged complementary to each other. The first pressure adjuster allows passage of gas and prohibits passage of liquid. The second pressure adjuster prohibits passage of the gas and the liquid, and releases an internal pressure in the interior of the outer housing when the internal pressure exceeds a predetermined pressure.

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MICRO-CAPSULE TYPE SILICON-CARBON COMPOSITE NEGATIVE ELECTRODE MATERIAL AND PREPARING METHOD AND USE THEREOF

NºPublicación: US2020058921A1 20/02/2020

Solicitante:

JIANGSU DAOYING TECH CO LTD [CN]

Resumen de: US2020058921A1

The present invention discloses a micro-capsule type silicon-carbon composite negative electrode material, and the negative electrode material comprises a current collector and a silicon-carbon coating layer formed by drying silicon-carbon paste coating the current collector; the silicon-carbon slurry comprises a carbonaceous paste and silicon capsule powder dispersed in the carbonaceous paste; the carbonaceous paste comprises a dispersing agent, and a carbon material, a first conductive agent and a first binder dispersed in the dispersing agent; the silicon capsule powder has micro-capsule structures comprising silicon powder and a second binder coating the surface of the silicon powder and in which the silicon powder is a core and the second binder is an outer shell; and the first binder is different from the second binder. The improved silicon-carbon composite negative electrode material of the present disclosure has excellent effects in cycle performance, coulombic efficiency and rate capability.

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Battery Module, and Battery Pack and Vehicle Comprising Same

NºPublicación: US2020058918A1 20/02/2020

Solicitante:

LG CHEMICAL LTD [KR]

CN_110114932_A

Resumen de: US2020058918A1

A battery module according to the present disclosure includes a cell assembly including a plurality of battery cells stacked in a vertical direction, each battery cell having an electrode lead in a shape of a plate that protrudes forward in a depth direction perpendicular to the vertical direction, the electrode lead being bent for surface contact in the vertical direction with an adjacent electrode lead, the electrode lead having a protruding part that protrudes forward in the depth direction from a front side end thereof, and a sensing terminal module having a plurality of sensing terminals made of an electrically conductive material and a plurality terminal seating holes in which corresponding ones of the sensing terminals are seated and supported, the protruding part of each electrode lead being press-fit into a corresponding one of the sensing terminals which compresses around the protruding part.

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BINDER SOLUTION FOR ALL-SOLID-STATE BATTERIES, ELECTRODE SLURRY INCLUDING THE BINDER SOLUTION, AND METHOD OF MANUFACTURING ALL-SOLID-STATE BATTERY USING THE ELECTRODE SLURRY

NºPublicación: US2020058940A1 20/02/2020

Solicitante:

HYUNDAI MOTOR CO LTD [KR]
KIA MOTORS CORP [KR]
INDUSTRY UNIV COORPORATION FOUNDATION HANYANG UNIV [KR]
UNIV HANYANG IND UNIV COOP FOUND [KR]

DE_102019107269_A1

Resumen de: US2020058940A1

The present disclosure relates to a binder solution for all-solid-state batteries. The binder solution includes a polymer binder, a first solvent, and an ion-conductive additive, wherein the ion-conductive additive includes lithium salt and a second solvent, which is different from the first solvent.

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AUTOMOTIVE BUS BAR MODULE AND POWER SUPPLY DEVICE

NºPublicación: US2020058917A1 20/02/2020

Solicitante:

YAZAKI CORP [JP]

DE_112018002934_T5

Resumen de: US2020058917A1

An automotive bus bar module includes a flat plate-shaped bus bar arranged to extend over electrodes of two adjacent unit batteries of a plurality of linearly arranged unit batteries of a battery assembly to electrically connect the electrodes to each other, a plurality of electric wires arranged to extend along an arrangement direction of the unit batteries, one of the plurality of electric wires being connected to the bus bar and an electric wire holding plate made of resin and arranged to extend over an upper surface of the bus bar, the electric wire holding plate holding the plurality of electric wires in a state of being parallel to each other and arranged planarly such that the plurality of electric wires extend along the arrangement direction of the unit batteries.

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FLEXIBLE LITHIUM BATTERY

NºPublicación: US2020058943A1 20/02/2020

Solicitante:

PROLOGIUM TECH CO LTD [TW]
PROLOGIUM HOLDING INC [KY]

CA_3053870_A1

Resumen de: US2020058943A1

The present invention relates to a flexible lithium battery comprising a first current collector layer and a second current collector layer, wherein the first current collector layer has a first outer surface and a first inner surface, and the second current collector layer has a second outer surface and a second inner surface; there is a glue frame sandwiched between the first inner surface and the second inner surface to form a sealed and enclosed space, wherein there is an electrochemical system layer disposed in this sealed and enclosed space, with the electrochemical system layer comprising a first active material layer, a second active material layer, and an electrically insulating layer disposed between the first active material layer and the second active material layer; and there is a flexible adhesive layer disposed between the first inner surface and the first active material layer and/or between the second inner surface and the second active material layer, wherein this flexible adhesive layer consists of an adhesive and an electrically conductive additive, with the adhesive consisting of a linearly structured colloid and a stereoscopically structured colloid.

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NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

NºPublicación: US2020058914A1 20/02/2020

Solicitante:

PANASONIC CORP [JP]
SANYO ELECTRIC CO [JP]

CN_110546804_A

Resumen de: US2020058914A1

This nonaqueous electrolyte secondary battery is provided with an electrode body that is obtained by alternately laminating a plurality of positive electrodes and a plurality of negative electrodes, with separators being interposed therebetween. Each separator is configured of a porous resin substrate and a porous heat-resistant layer that is formed on one surface of the resin substrate and has a larger surface roughness than the resin substrate. The electrode body comprises: bonding particles that bond a negative electrode and a heat-resistant layer with each other; and bonding particles that bond a positive electrode and a resin substrate with each other. The mass of the bonding particles per unit area in a first interface between the negative electrode and the heat-resistant layer is larger than the mass of the bonding particles per unit area in a second interface between the positive electrode and the resin substrate.

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POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAID POSITIVE ELECTRODE ACTIVE MATERIAL

NºPublicación: US2020058938A1 20/02/2020

Solicitante:

SUMITOMO METAL MINING CO [JP]

US_2017352885_A1

Resumen de: US2020058938A1

Provided is a method for producing a positive electrode active material for nonaqueous electrolyte secondary batteries, including: a water-washing step of mixing, with water, Li—Ni composite oxide particles represented by the formula: LizNi1−x−yCoxMyO2 and composed of primary particles and secondary particles formed by aggregation of the primary particles to water-wash it, and performing solid-liquid separation to obtain a washed cake; a mixing step of mixing a W compound powder free from Li with the washed cake to obtain a W-containing mixture; and a heat treatment step of heating the W-containing mixture, the heat treatment step including: a first heat treatment step of heating the W-containing mixture to disperse W on the surface of the primary particles; and subsequently, a second heat treatment step of heating it at a higher temperature than in the first heat treatment step to form a lithium tungstate compound on the surface of the primary particles.

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VEHICLE BATTERY DEVICE

NºPublicación: US2020058909A1 20/02/2020

Solicitante:

HONDA MOTOR CO LTD [JP]

Resumen de: US2020058909A1

Provided is a vehicle battery device in which components are reduced, a compact configuration can be achieved, and connection with the outside can be easily performed. A vehicle battery device includes: a battery cell mounting part accommodating a battery cell group constituted by a plurality of laminated battery cells; and an interface box integrating connection functions between the battery cell mounting part and the outside, wherein the battery cell mounting part is connected to at least one of two opposing side surfaces in an outer surface of the interface box, and has an end plate on an end surface opposite an end surface connected to the interface box; and the battery cell group of the battery cell mounting part is compressed and sandwiched between the side surface of the interface box and the end plate in a lamination direction of the battery cells.

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COMPOSITE CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM BATTERY COMPRISING COMPOSITE CATHODE ACTIVE MATERIAL

NºPublicación: US2020058925A1 20/02/2020

Solicitante:

SAMSUNG SDI CO LTD [KR]

KR_20180062237_A

Resumen de: US2020058925A1

A composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode are provided. The composite cathode active material includes a core including a lithium metal oxide and a coating layer on the core, wherein the lithium metal oxide includes two or more transition metals including nickel (Ni), an amount of Ni within one mole of the two or more transition metals included in the lithium metal oxide is about 0.65 mol or greater, the coating layer includes LiF, and a resistance of the composite cathode active material is lower than that of the core.

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ELECTROCHEMICAL CELLS AND METHODS OF MAKING AND USING THEREOF

NºPublicación: US2020058922A1 20/02/2020

Solicitante:

UNIV VANDERBILT [US]

WO_2018085581_PA

Resumen de: US2020058922A1

Provided herein are electrochemical cells (e.g., sodium batteries), as well as methods of making and using thereof. The electrochemical cells can employ an “anode-free” design that includes a nucleation layer (e.g., a carbon nucleation layer) disposed on a current collector (e.g., an aluminum current collector). Electrochemical studies show that the modified current collectors can provide highly stable and efficient plating and stripping of sodium metal over a range of currents and sodium loadings with long-term durability. Further, full cells constructed using these modified current collectors can achieve energy densities of greater than 400 Wh/kg, far surpassing recent reports for sodium-ion batteries and even the theoretical maximum for lithium ion battery technology while still relying on naturally abundant raw materials and cost-effective aqueous processing.

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COATINGS FOR CATHODE ACTIVE MATERIALS

NºPublicación: US2020058933A1 20/02/2020

Solicitante:

APPLE INC [US]

Resumen de: US2020058933A1

A cathode active material includes a plurality of cathode active compound particles and a coating disposed over each of the cathode active compound particles. The coating includes a lithium (Li)-ion conducting oxide containing lanthanum (La) and titanium (Ti).

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CONNECTOR FOR PRINTED CIRCUIT BOARD AND BATTERY SYSTEM COMPRISING PRINTED CIRCUIT BOARD AND CONNECTOR

NºPublicación: US2020059020A1 20/02/2020

Solicitante:

SAMSUNG SDI CO LTD [KR]

CN_109891660_A

Resumen de: US2020059020A1

The present invention relates to a battery system including a battery module configured to include a plurality of rechargeable battery cells, a housing configured to house the battery module, a printed circuit board disposed on the battery module to include a first surface that faces the battery module and a second surface that is opposite to the first surface, and a connector configured to connect the printed circuit board and an external electrical component, wherein the printed circuit board includes a plurality of bent terminal portions disposed on the second surface, and the connector includes a plurality of metal clamps that are respectively connected to the plurality of bent terminal portions of the printed circuit board. In the battery system of the present invention, the connection between the connector and the printed circuit board can be realized without soldering wires.

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POSITIVE ELECTRODE ACTIVE SUBSTANCE, POSITIVE ELECTRODE, BATTERY, BATTERY PACK, ELECTRONIC DEVICE, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE DEVICE, AND ELECTRIC POWER SYSTEM

NºPublicación: US2020058939A1 20/02/2020

Solicitante:

MURATA MANUFACTURING CO [JP]

CN_110546795_A

Resumen de: US2020058939A1

A battery includes a positive electrode, a negative electrode, and an electrolyte, wherein the positive electrode includes a plurality of positive electrode active substance grains, and an average number of grain boundaries per one of the positive electrode active substance grains is less than 0.58.

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NICKEL-BASED ACTIVE MATERIAL PRECURSOR FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD THEREOF, NICKEL-BASED ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY FORMED THEREFROM, AND LITHIUM SECONDARY BATTERY INCLUDING CATHODE INCLUDING THE NICKEL-BASED ACTIVE MATERIAL

NºPublicación: US2020058937A1 20/02/2020

Solicitante:

SAMSUNG SDI CO LTD [KR]

EP_3611133_A1

Resumen de: US2020058937A1

Provided is a nickel-based active material precursor for a lithium secondary battery, including: a secondary particle including a plurality of particulate structures, wherein each of the particulate structures includes a porous core portion and a shell portion including primary particles radially arranged on the porous core portion, and in 50% or more of the primary particles constituting a surface of the secondary particle, a major axis of each of the primary particles is aligned along a normal direction of the surface of the secondary particle. When the nickel-based active material precursor for a lithium secondary battery is used, it is possible to obtain a nickel-based active material which intercalates and deintercalates lithium and has a short diffusion distance of lithium ions.

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POSITIVE ELECTRODE COMPOSITE MATERIAL FOR LITHIUM ION SECONDARY BATTERY AND USE THEREOF

NºPublicación: US2020058936A1 20/02/2020

Solicitante:

HORIKAWA DAISUKE [JP]
SUGIURA RYUTA [JP]
AIDA TAIRA [JP]
KANADA SATOSHI [JP]
TOYOTA MOTOR CO LTD [JP]
SUMITOMO METAL MINING CO [JP]

CN_110462893_A

Resumen de: US2020058936A1

A positive electrode composite material for a lithium ion secondary battery that makes it possible to appropriately reduce the electric resistance in a positive electrode and to realize a high-performance lithium ion secondary battery. The positive electrode composite material to be used in the positive electrode of the lithium ion secondary battery includes a particulate positive electrode active material composed of a lithium composite oxide having a layered crystal structure including at least lithium, and a conductive oxide. Here, a particulate region where primary particles of the conductive oxide are aggregated, and a film-shaped region where the conductive oxide is formed in a film shape adhere to at least a part of the surface of the positive electrode active material. The average particle diameter based on cross-sectional TEM observation of primary particles in the particulate region is equal to or greater than 0.3 nm, and in cross-sectional TEM observation of the film-shaped region, no particles with a particle diameter equal to or greater than 0.3 nm are observed, and there are no voids equal to or greater than 2 nm.

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GRAPHITE-BASED MATERIAL FOR LITHIUM ION SECONDARY BATTERIES AND METHOD FOR PRODUCING THE SAME, AND NEGATIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY

NºPublicación: US2020058932A1 20/02/2020

Solicitante:

NEC CORP [JP]

JP_WO2018083937_A1

Resumen de: US2020058932A1

A graphite-based material for a lithium ion secondary battery, the graphite-based material comprising a coating film on at least a part of the surface of a graphite particle, the coating film comprising a lithium fluorophosphate compound having a specific composition.

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3D PATTERN CUTTING MACHINE FOR LITHIUM METAL ELECTRODE

Nº publicación: US2020058931A1 20/02/2020

Solicitante:

LG CHEMICAL LTD [KR]

CN_110140240_A

Resumen de: US2020058931A1

A 3-dimensional (3D) pattern puncher for punching a lithium metal electrode to provide one or more unit electrodes is provided. The 3D pattern puncher includes a mold punch configured to move up and down, the mold punch corresponding to a size of the unit electrode; a die corresponding to the mold punch; a mold blade disposed at an edge of the mold punch and configured to punch the lithium metal electrode to provide the one or more unit electrodes; and a 3D pattern positioned at an inner portion of the mold punch where the mold blade is not disposed.

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