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Resultados 439 resultados LastUpdate Última actualización 13/10/2019 [19:18:00] pdf PDF xls XLS




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



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SECONDARY BATTERY DIAGNOSING DEVICE AND DIAGNOSING METHOD

NºPublicación: WO2019194205A1 10/10/2019

Solicitante:
3DOM INC [JP]

Resumen de: WO2019194205A1

The objective of the present invention is to determine a point in time at which a pole has migrated from one pole toward another pole, which is the main cause of a reduction in the reversible capacity of a rechargeable battery. The point in time at which a pole has migrated from one pole toward another pole, which is the main cause of a reduction in the reversible capacity of a rechargeable battery, is determined on the basis of an open circuit voltage (OCV) characteristic of the battery during a prescribed charging and discharging idle period after a discharging period in a battery charging and discharging cycle.



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CORDLESS POWER TOOL SYSTEM

NºPublicación: US2019312242A1 10/10/2019

Solicitante:
BLACK & DECKER INC [US]

Resumen de: US2019312242A1

This application relates to a power tool system including a plurality of power tools, a plurality of battery packs and at least one battery pack charger and method for operating the power tools with the battery packs. This application also relates to a method for charging the battery packs and a method for monitoring a state of charge of the battery pack. In one implementation, the system includes an existing battery pack designed to provide (output) a relatively low voltage, an existing power tool designed to operate at the relatively low voltage, a new battery pack designed to provide (output) the relatively low voltage and a relatively high voltage, and a new power tool designed to operate at the relatively high voltage.



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ELECTROLYTE OF RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

NºPublicación: US2019312308A1 10/10/2019

Solicitante:
SAMSUNG SDI CO LTD [KR]

Resumen de: US2019312308A1

In Chemical Formula 1, X1 is CH or a nitrogen atom (N), and Ra is a substituted or unsubstituted alkyl group. The additive may decompose under reducing voltages on the surface of the negative electrode to thereby form a polysulfonate-based passivation film to suppress or reduce gas generation and battery swelling.



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METHOD FOR PREPARING CATHODE PARTICLES AND CATHODE ACTIVE MATERIALS HAVING SAME

NºPublicación: US2019312265A1 10/10/2019

Solicitante:
MICROVAST POWER SYSTEMS CO LTD [CN]

Resumen de: US2019312265A1

The invention relates to a method for preparing cathode particles under a co-precipitation reaction by feeding NaOH and metal sulfate solution into different vessels. The invention further provides a cathode active material having the cathode particles. By the method of the invention, the number density distribution of prepared particles is much smaller than feeding NaOH and metal sulfate together into same vessel.



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POSITIVE ELECTRODE ACTIVE MATERIAL AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

NºPublicación: US2019312274A1 10/10/2019

Solicitante:
PANASONIC IP MAN CO LTD [JP]

Resumen de: US2019312274A1

A positive electrode active material according to an embodiment includes secondary particles each formed of aggregated primary particles of a lithium transition metal oxide containing 80 mol % or more of nickel, based on a total molar amount of a metal element other than lithium. The positive electrode active material further includes a rare earth compound attached to each surface of the secondary particles and one or more lithium compounds attached to each surface of the primary particles inside the secondary particles. The lithium compounds include lithium hydroxide.



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PRODUCTION PROCESS FOR GRAPHENE-ENABLED SELENIUM CATHODE ACTIVE MATERIAL FOR AN ALKALI METAL-SELENIUM SECONDARY BATTERY

NºPublicación: US2019312267A1 10/10/2019

Solicitante:
NANOTEK INSTRUMENTS INC [US]

Resumen de: US2019312267A1

A process for producing graphene-enabled hybrid particulates for use as a cathode active material of an alkali metal battery, the process comprising: (a) preparing a mixture suspension of graphene sheets and a selenium material dispersed in a liquid medium; and (b) dispensing and forming the mixture suspension into hybrid particulates, wherein at least one of the hybrid particulates comprises a single or a plurality of graphene sheets and a plurality of fine selenium particles or coatings, having a diameter or thickness from 0.5 nm to 10 μm, and the graphene sheets and the selenium particles or coatings are mutually bonded or agglomerated into the hybrid particulate containing an exterior graphene sheet or multiple exterior graphene sheets embracing the selenium particles or coatings, and wherein the graphene is in an amount from 0.01% to 30% by weight based on the total weight of graphene and selenium combined.



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BATTERY PACK WITH BATTERY CELLS HAVING ASYMMETRICAL PACKAGING AND SYMMETRICAL CURRENT FLOW PATHS

NºPublicación: US2019312280A1 10/10/2019

Solicitante:
GM GLOBAL TECH OPERATIONS LLC [US]

Resumen de: US2019312280A1

A battery cell has positive and negative cell tabs protruding from a first edge and a cell stack-up within a pouch. Anode and cathode foils are connected to the cell tabs proximate the first edge, with the anode foils connected to each other proximate a second edge. An outermost current collector of the anode foils exists with respect to a thickness of the cell stack-up. The cathode foils are connected to the positive cell tab proximate the first edge. The anode foils are connected to each other and the negative cell tab proximate the second edge, such that the outermost current collector forms an internal bus bar between the first and second edges. The battery cell has asymmetrical packaging and symmetrical internal current paths. A system includes a battery pack driving a load, with the battery pack having battery cells constructed as set forth above.



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CARTRIDGE FOR BATTERY CELL AND BATTEY MODULE INCLUDING THE SAME

NºPublicación: US2019312319A1 10/10/2019

Solicitante:
LG CHEMICAL LTD [KR]

Resumen de: US2019312319A1

Disclosed is a cartridge for battery cells, which includes: an upper cooling plate and a lower cooling plate having a plate shape and spaced to face each other, a cooling channel is formed between the upper cooling plate and the lower cooling plate; a main frame surrounding an outer circumference of the upper cooling plate and an outer circumference of the lower cooling plate with battery cells placed on an upper portion and a lower portion of the main frame; and a support portion disposed at the cooling channel and having at least one support rib protruding in at least one of an upper direction and a lower direction, the at least one support rib supporting the upper cooling plate and the lower cooling plate.



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WELDING PROCESS FOR SEALING A BATTERY MODULE

NºPublicación: US2019312236A1 10/10/2019

Solicitante:
CPS TECH HOLDINGS LLC [US]

Resumen de: US2019312236A1

The present disclosure relates to a battery module that includes a housing having a first protruding shelf along a first perimeter of the housing, a second protruding shelf along a second perimeter of the housing, where the first and second protruding shelves each include an absorptive material configured to absorb a first laser emission. The battery module also includes an electronics compartment cover configured to be coupled to the housing via a first laser weld, and a cell receptacle region cover configured to be coupled to the housing via a second laser weld. The electronics compartment cover has a first transparent material configured to transmit the first laser emission toward the first protruding shelf and the cell receptacle region cover has a second transparent material configured to transmit the first laser emission or a second laser emission toward the second protruding shelf.



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POLYMER, ELECTROLYTE INCLUDING THE SAME, AND LITHIUM BATTERY INCLUDING THE POLYMER

NºPublicación: US2019312305A1 10/10/2019

Solicitante:
SAMSUNG SDI CO LTD [KR]

Resumen de: US2019312305A1

Provided are a polymer represented by Formula 1, an electrolyte including the same, and a lithium battery including the polymer.



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BATTERY MODULE AND VEHICLE INCLUDING THE SAME

NºPublicación: US2019312238A1 10/10/2019

Solicitante:
SAMSUNG SDI CO LTD [KR]

Resumen de: US2019312238A1

A battery module and a vehicle including the same are disclosed. According to an exemplary embodiment of the present invention, the battery module may include: a plurality of battery cells; a housing configured to include a base plate, a housing frame, and a cover plate; and a gasket interposed between the housing frame and the base plate and between the housing frame and the cover plate, wherein an upper flange of the housing frame facing the cover plate and a lower flange of the housing frame facing the base plate have a step shape forming a recess portion opened to an inner side of the housing plate, and the gasket is disposed in the recess portion.



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NEGATIVE ELECTRODE OF NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

NºPublicación: US2019312258A1 10/10/2019

Solicitante:
DAI ICHI KOGYO SEIYAKU CO LTD [JP]

Resumen de: US2019312258A1

A negative electrode of a nonaqueous electrolyte secondary battery, which is provided with a collector and a negative electrode active material layer that is formed on the collector, and which is characterized in that: the negative electrode active material layer contains a carbon-based negative electrode active material, a silicon-based negative electrode active material, a conductive agent and a predetermined carboxy methylcellulose or a salt thereof; the content of the carboxy methylcellulose or a salt thereof is from 4% by mass to 15% by mass (inclusive) relative to the total mass of the negative electrode active material layer; and the content of the silicon-based negative electrode active material relative to the total content of the carbon-based negative electrode active material and the silicon-based negative electrode active material is from 3% by mass to 19% by mass (inclusive).



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Battery Cell Having Recessed Portion Formed In Connection Region Between Receiving Units

NºPublicación: US2019312237A1 10/10/2019

Solicitante:
LG CHEMICAL LTD [KR]

Resumen de: US2019312237A1

Disclosed herein is a battery cell including a battery case having an initial position and an assembled position, and an electrode assembly. The electrode assembly may include a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode. The electrode assembly may be mounted in the battery case in the assembled position. The battery case may include a first receiving unit and a second receiving unit formed in the battery case and spaced apart from each other when the battery case is in the initial position, the first and second receiving units receiving a respective portion of the electrode assembly when the battery case is in the assembled position, and a bridge region having a recessed portion that is recessed in a direction identical to the depth direction of each of the receiving units when the battery case is in the initial position.



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BATTERY AS A SERVICE

NºPublicación: US2019312317A1 10/10/2019

Solicitante:
BLOOM ENERGY CORP [US]

Resumen de: US2019312317A1

Electrochemical impedance spectroscopy (EIS) may include testing various voltages and currents, storing and sending the data to an electrochemical impedance spectroscopy analyzer (EISA) network, where the data may be compared to historical data to determine a battery event as a user action recommendation may provide preferred operating use of a device battery in response correlation of EIS test results and comparison for similarities of EIS test results. Historical EIS test data may be stored in an EISA network with a server configured to receive EIS test results from battery-operated devices, correlate received EIS test data to historical EIS test data, and provide recommendations on battery use and/or maintenance to the battery-operated device based on the correlation results. Analyzing EIS test data and sending recommendations on battery use and/or maintenance service may be provided on a subscription basis.



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NONAQUEOUS ELECTROLYTE SOLUTION AND NONAQUEOUS ELECTROLYTE BATTERY USING SAME

NºPublicación: US2019312307A1 10/10/2019

Solicitante:
CENTRAL GLASS CO LTD [JP]

Resumen de: WO2018008650A1

The objective of the present invention is to provide: a nonaqueous electrolyte solution which is capable of exhibiting high output characteristics at low temperatures even when a battery has been used to some extent, while exhibiting good high-rate characteristics at room temperature, and which is also capable of enhancing the safety of the battery; and a nonaqueous electrolyte battery. A nonaqueous electrolyte solution for nonaqueous electrolyte batteries according to the present invention contains: a nonaqueous solvent; an electrolyte which is dissolved in the nonaqueous solvent; (I) a difluoro ionic complex (1); and (II) at least one compound selected from the group consisting of specific cyclic phosphazene compounds, specific siloxane compounds, specific aromatic compounds, specific cyclohexene compounds, specific phosphoric acid ester compounds, specific fluorinated linear ether compounds, specific fluorinated cyclic ether compounds and specific boric acid ester compounds. Not less than 95% by mole of the difluoro ionic complex (1) is a difluoro ionic complex (1-Cis) that has a cis-type steric conformation.



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SELENIUM PRELOADED CATHODE FOR ALKALI METAL-SELENIUM SECONDARY BATTERY AND PRODUCTION PROCESS

NºPublicación: US2019312311A1 10/10/2019

Solicitante:
NANOTEK INSTRUMENTS INC [US]

Resumen de: US2019312311A1

A method of producing a pre-selenized (selenium-preloaded) active cathode layer for a rechargeable alkali metal-selenium cell; the method comprising: (a) Preparing an integral layer of porous graphitic structure having a specific surface area greater than 100 m2/g; (b) Preparing an electrolyte comprising a solvent and a selenium source; (c) Preparing an anode; and (d) Bringing the integral layer and the anode in ionic contact with the electrolyte and imposing an electric current between the anode and the integral layer (serving as a cathode) to electrochemically deposit nanoscaled selenium particles or coating on the graphene surfaces. The selenium particles or coating have a thickness or diameter smaller than 20 nm (preferably <10 nm, more preferably <5 nm or even <3 nm) and occupy a weight fraction of at least 70% (preferably >90% or even >95%).



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RECHARGEABLE AQUEOUS ZINC HYBRID BATTERY

NºPublicación: US2019312303A1 10/10/2019

Solicitante:
TOYOTA ENG & MFG NORTH AMERICA [US]

Resumen de: US2019312303A1

wherein R is a perfluoroalkyl group of 1-5 carbons.



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IMPROVING THE IONIC CONDUCTIVITY OF AN ELECTROLYTE BASED ON LITHIUM IMIDAZOLATE SALTS

NºPublicación: US2019312309A1 10/10/2019

Solicitante:
ARKEMA FRANCE [FR]
UNIV DE TOURS [FR]

Resumen de: US2019312309A1

An electrolytic composition including at least one lithium salt of formula (A) wherein Rf represents a fluorine atom, a nitrile group, an optionally fluorinated or perfluorinated alkyl group having from 1 to 5 carbons, an optionally fluorinated or perfluorinated alkoxy group having from 1 to 5 carbons or an optionally fluorinated or perfluorinated oxa-alkoxy group having from 1 to 5 carbons; and the following solvent mixture: ethylene carbonate, γ-butyrolactone, and methyl propanoate. Also, to the use of the compositions in Li-ion batteries.



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SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME

NºPublicación: US2019312256A1 10/10/2019

Solicitante:
TOYOTA CHUO KENKYUSHO KK [JP]

Resumen de: US2019312256A1

A secondary battery 10 includes a first electrode 11, a first current collection part 12, a second electrode 16, and a separation membrane 21. The first electrode 11 is a columnar body including a first active material. The first current collection part 12 is connected to the first electrode. The second electrode 16 includes a second active material. The separation membrane 21 has ionic conductivity and insulates the first electrode 11 from the second electrode 16. The secondary battery 10 has a structure in which a plurality of the first electrodes 11 are bundled together, with each of the first electrodes 11 being adjacent to the second electrode 16 with the separation membrane 21 disposed therebetween. The plurality of the first electrodes 11 is connected to the first current collection part 12 via a connection part 13 formed of a low-melting-point metal.



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BATTERY APPARATUS FOR VEHICLE

NºPublicación: US2019312313A1 10/10/2019

Solicitante:
HYUNDAI MOTOR CO LTD [KR]
KIA MOTORS CORP [KR]

Resumen de: US2019312313A1

A battery apparatus for a vehicle is provided. The apparatus includes a basic battery pack that is mounted within the vehicle and an auxiliary battery pack that is selectively mountable within the vehicle. The auxiliary battery pack is connected in series with or in parallel to the basic battery pack.



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ELECTRIC BATTERY RAPID RECHARGING SYSTEM INCLUDING A MOBILE CHARGING STATION HAVING A COOLANT SUPPLY LINE AND AN ELECTRICAL SUPPLY LINE

NºPublicación: US2019312445A1 10/10/2019

Solicitante:
LIGHTENING ENERGY [US]

Resumen de: US2019312445A1

A method for rapidly recharging a military or a non-military device having an electric battery is provided. The method includes recharging the military or non-military device and the recharging includes delivering coolant to the military or non-military device to cool the electric battery. A military device, a non-military non-vehicular device, a mobile charging station and a stationary charging station are also provided.



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CARBON ENCAPSULATED SULFUR-METAL OXIDE COMPOSITE, METHODS OF PREPARATION, AND USES THEREOF

NºPublicación: US2019312263A1 10/10/2019

Solicitante:
SABIC GLOBAL TECHNOLOGIES BV [NL]

Resumen de: US2019312263A1

Methods of producing a porous material having a yolk-shell structure that includes a polysulfide trapping agent are described. The porous material can include an elemental sulfur nanostructure comprised in hollow space of the interior of the porous material. The method can include heat-treating a core-shell material that includes a polysulfide trapping agent/polymer core@carbon-containing shell to produce a polysulfide trapping agent@carbon-containing porous shell. The polysulfide trapping agent@carbon-containing porous shell can be impregnated with sulfur to form a sulfur@ polysulfide trapping agent@carbon-containing porous shell composite.



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PRODUCTION PROCESS FOR A GRAPHENE FOAM-PROTECTED SELENIUM CATHODE AND AN ALKALI METAL-SELENIUM SECONDARY BATTERY CONTAINING SAME

NºPublicación: US2019312261A1 10/10/2019

Solicitante:
NANOTEK INSTRUMENTS INC [US]

Resumen de: US2019312261A1

A process for producing a graphene foam-protected selenium cathode layer, the process comprising: (A) preparing a layer of solid graphene foam having pores (or cells) and pore/cell walls containing graphene sheets and having a physical density from 0.001 g/cm3 to 1.5 g/cm3; and (B) infiltrating or impregnating selenium into the pores to obtain the graphene foam-protected selenium cathode layer; wherein the graphene sheets are selected from a pristine graphene or a non-pristine graphene material, having a content of non-carbon elements greater than 2% by weight, selected from graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, chemically functionalized graphene, or a combination thereof.



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LITHIUM-ION SECONDARY BATTERY AND METHOD OF PRODUCING THE SAME

NºPublicación: US2019312302A1 10/10/2019

Solicitante:
TOYOTA MOTOR CO LTD [JP]

Resumen de: US2019312302A1

A lithium-ion secondary battery includes at least a negative electrode, a positive electrode, and an electrolyte solution. The negative electrode includes at least negative electrode active material particles. Each of the negative electrode active material particles contains at least a SiOx particle and a Si layer. The Si layer covers a surface of the SiOx particle. The Si layer has a thickness not smaller than 10 nm and not greater than 100 nm. The electrolyte solution contains at least one selected from the group consisting of FEC and VC.



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METHOD OF MANUFACTURING A LITHIUM METAL NEGATIVE ELECTRODE

Nº publicación: US2019312255A1 10/10/2019

Solicitante:
GM GLOBAL TECH OPERATIONS LLC [US]

Resumen de: US2019312255A1

A negative electrode for an electrochemical cell of a lithium metal battery may be manufactured by welding together a lithium metal layer and a metallic current collector layer. The lithium metal layer and the current collector layer may be arranged adjacent one another and in an at least partially lapped configuration such that faying surfaces of the layers confront one another and establish a faying interface therebetween at a weld site. A laser beam may be directed at an outer surface of the current collector layer at the weld site to melt a portion of the lithium metal layer adjacent the faying surface of the current collector layer and produce a lithium metal molten weld pool. The laser beam may be terminated to solidify the molten weld pool into a solid weld joint that physically bonds the lithium metal layer and the current collector layer together at the weld site.


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