ALMACENAMIENTO EN BATERÍAS

Volver

Resultados 393 resultados LastUpdate Última actualización 20/02/2019 [15:40:00] pdf PDF




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



Página1 de 16 nextPage   Mostrar por página


SPHERICAL OR SPHERICAL-LIKE CATHODE MATERIAL FOR LITHIUM-ION BATTERY AND LITHIUM-ION BATTERY

NºPublicación: EP3444226A1 20/02/2019

Solicitante:
GUIZHOU ZHENHUA E CHEM INC [CN]
GUIZHOU ZHENHUA YILONG E CHEM CO LTD [CN]

Resumen de: EP3444226A1

The present invention relates to a spherical or spherical-like cathode material for lithium-ion battery and a lithium-ion battery. The chemical formula of the cathode material is Li a Ni x Co y Mn z M b O 2 , wherein: 1.02 ¤a ¤1.20; 0.0 ¤b ¤0.5; 0.30 ¤x ¤0.60; 0.20 ¤y ¤0.40; 0.05 ¤z ¤0.50; x+y+z=1; M is one or two or more selected from the group consisting of Mg, Ti, Al, Zr, Y, Co, Mn, Ni, Ba and rare earth elements. Under the scanning electron microscope, the cathode material comprises primary particles with a morphology of spherical or spherical shape, and secondary particles agglomerated by the primary particles. The number percentage of the secondary particles agglomerated by the primary particles is less than or equal to 30%. The lithium battery prepared by the obtained cathode material has high specific capacity, high temperature stability, excellent safety and cycling performance at high temperature, and the preparation method thereof is simple and the cost is relatively low.



traducir


 

SYSTEM EQUIPPED WITH SCRATCH TESTER FOR PRODUCING ELECTRODE FOR SECONDARY BATTERY

NºPublicación: EP3444870A1 20/02/2019

Solicitante:
LG CHEMICAL LTD [KR]

Resumen de: EP3444870A1

Disclosed is a system for manufacturing an electrode for a secondary battery, which includes an active material drying unit configured to dry an active material coated on an electrode current collector, and a tester unit configured to measure a dried state of the active material by performing a scratch test to the dried active material.



traducir


 

ANODE FOR LITHIUM METAL SECONDARY BATTERY AND LITHIUM METAL SECONDARY BATTERY COMPRISING SAME

NºPublicación: EP3444873A2 20/02/2019

Solicitante:
LG CHEMICAL LTD [KR]

Resumen de: EP3444873A2

A negative electrode for a lithium-metal secondary battery, which has a wide specific surface area and a current density distribution that can be uniformly implemented, and a lithium-metal secondary battery including the same.



traducir


 

LITHIUM-RICH ANTIPEROVSKITE-COATED LCO-BASED LITHIUM COMPOSITE, METHOD FOR PREPARING SAME, AND POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING SAME

NºPublicación: EP3444880A1 20/02/2019

Solicitante:
LG CHEMICAL LTD [KR]

Resumen de: EP3444880A1

The present invention relates to a Li-rich antiperovskite-coated LCO-based lithium complex, a method of preparing the same, and a positive electrode active material and a lithium secondary battery, both of which include the LCO-based lithium complex. When a lithium complex in which a coating layer of a compound having a lithium-rich antiperovskite (LiRAP) crystal structure is formed on surfaces of LCO-based particles is applied as the positive electrode active material, the lithium complex is favorable for batteries which are operated at a high voltage, has high lithium ion conductivity, and can be applied to lithium secondary batteries which are driven at a high temperature due to high thermal stability.



traducir


 

SEPARATOR AND ELECTROCHEMICAL DEVICE COMPRISING SAME

NºPublicación: EP3444866A1 20/02/2019

Solicitante:
LG CHEMICAL LTD [KR]

Resumen de: EP3444866A1

Disclosed are a separator and an electrochemical device including the same. The separator includes: a porous polymer substrate having a plurality of pores; a separator base including a porous coating layer formed on at least one surface of the porous polymer substrate, said porous coating layer comprising a plurality of inorganic particles and a binder polymer disposed partially or totally on the surface of the inorganic particles to connect and fix the inorganic particles with each other; and an adhesive porous layer formed on at least one surface of the separator base, said adhesive porous layer comprising an adhesive resin which shows adhesive property through heating at a temperature lower than a melting point of the porous polymer substrate, wherein the adhesive porous layer is provided with a porous structure formed by phase separation caused by an evaporation rate of a solvent and that of a non-solvent, when applying and drying a coating composition including the adhesive resin, the solvent and the non-solvent on at least one surface of the separator base.



traducir


 

ELECTRICITY STORAGE DEVICE, ELECTRICITY STORAGE SYSTEM, AND POWER SUPPLY SYSTEM

NºPublicación: EP3444625A1 20/02/2019

Solicitante:
KANEKA CORP [JP]

Resumen de: EP3444625A1

An electricity storage device, an electricity storage system and a power supply system capable of setting a full charge capacity corresponding to an actual full charge capacity are developed. The electricity storage device includes a battery part, and a control part that controls charge and discharge of the battery part. The battery part is capable of discharging from a full charge capacity to a preset set capacity. The control part is capable of executing a full charge capacity correction mode. The full charge capacity correction mode executes: a remaining capacity calculation operation in which, when the battery part discharges from the full charge capacity to the set capacity, a remaining capacity corresponding to a first voltage of the battery part in a state of having discharged to the set capacity is calculated based on a preset correlation between a voltage and a battery capacity of the battery part, and a consumed capacity calculation operation in which a consumed capacity consumed from the full charge capacity to the set capacity is calculated by calculating a current amount of the battery part during a time period from the full charge capacity to the set capacity. A sum of the remaining capacity and the consumed capacity is set as a full charge capacity.



traducir


 

CONDUCTIVE ADHESIVE FOR LITHIUM-ION BATTERY AND PREPARATION METHOD THEREFOR, LITHIUM-ION BATTERY ELECTRODE PLATE AND PREPARATION METHOD THEREFOR, AND LITHIUM-ION BATTERY

NºPublicación: EP3444881A1 20/02/2019

Solicitante:
HUAWEI TECH CO LTD [CN]

Resumen de: EP3444881A1

The present invention provides a lithium-ion battery conductive bonding agent, including graphene and a first bonding agent that is grafted on a surface of the graphene. The first bonding agent includes at least one of polyvinyl alcohol, sodium carboxymethyl cellulose, polyethylene glycol, polylactic acid, polymethyl methacrylate, polystyrene, polyvinylidene fluoride, a hexafluoropropylene polymer, styrene-butadiene rubber, sodium alginate, starch, cyclodextrin, or polysaccharide. The lithium-ion battery conductive bonding agent has good conductive performance and bonding performance and specific strength, improving mechanical strength of a whole electrode plate. The conductive bonding agent integrates a bonding agent and a conductive agent. This can improve content of active substance in the electrode plate, and further increase an energy density of an electrochemical cell. The present invention further provides a production method for the conductive bonding agent, and an electrode plate and a lithium-ion battery that contain the conductive bonding agent.



traducir


 

LITHIUM ION BATTERY AND ELECTROLYTE THEREOF

NºPublicación: EP3444886A1 20/02/2019

Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]

Resumen de: EP3444886A1

The present invention discloses a Lithium ion battery and an electrolyte thereof, the electrolyte comprising an organic solvent, a lithium salt and an additive. The additive comprises a cyclic fluoro carbonate (A), a cyclic phosphazene (B), a cyclic sulfate and a lithium fluoro oxalate borate (D). The lithium fluoro oxalate borate (D) has following formula: Compared with the prior art, the electrolyte of the present invention may form a stable CEI and SEI film on the surface of positive and negative electrodes, protect the interface between positive and negative electrodes, improve the acidic atmosphere of Lithium ion battery electrolyte, and reduce the damage effect of HF on the interface between positive and negative electrodes, while reducing low temperature resistance of lithium-ion battery, improving cycle life, high temperature storage performance, safety performance and rate capability of lithium-ion battery.



traducir


 

BATTERY MODULE

NºPublicación: EP3444915A1 20/02/2019

Solicitante:
TOSHIBA KK [JP]
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP [JP]

Resumen de: EP3444915A1

According to an embodiment, a battery module ensuring safety when the external power source is stopped is provided. A battery module 10 according to an embodiment includes a battery BT; a breaker 14 that switches electrical connection of an output line from the battery BT to outside; a power source switch circuit 12 that receives an internal source voltage VLIB supplied from the battery BT, an external source voltage VEXT supplied from an external power source 20, and an boot signal IG_in from outside, and switches a source of power that supplies source voltage from the external power source 20 to the battery BT when at least one of the external source voltage VEXT and the boot signal IG_in is at a second level; and a control circuit 16 that uses, as power supply, the source voltage that is output from the power source switch circuit 12, and controls operation of the breaker 14 and of the power source switch circuit 12.



traducir


 

MOLTEN ALKALI METAL-ALUMINUM SECONDARY BATTERY

NºPublicación: EP3443143A1 20/02/2019

Solicitante:
DYNANTIS CORP [US]
ZHOU MI [US]
SAMMELLS ANTHONY F [US]

Resumen de: US2017294685A1

An aluminum-based cathode (positive electrode) for storage cells formed by deposition of a layer of aluminum metal on a porous conductive substrate. Storage cells and batteries having the cathode. The porous conducting substrate can be metal, conductive carbon or a refractory material, such as a metal boride or metal carbide. The aluminum-deposited porous substrate is in electrical contact with a cathode current collector and a suitable liquid catholyte. The cathode is, for example, combined with a molten alkali metal anode to form a storage cell. The alkali metal and the catholyte are molten or liquid at operating temperatures of the cell. Methods of storing energy and generating energy using cell having the aluminum-based cathode are provided.



traducir


 

METHOD OF CONTROLLING A POWERED AIR PURIFYING RESPIRATOR

NºPublicación: EP3442637A1 20/02/2019

Solicitante:
3M INNOVATIVE PROPERTIES CO [US]

Resumen de: WO2017180583A1

There is provided a method of controlling a powered air purifying respirator blower system to deliver a substantially uniform volumetric airflow to a user, the system comprising a fan powered by a battery in communication with a variable speed electric motor, the variable speed electric motor is controlled by an electronic control unit for delivering a forced flow of air through at least one filter to a user, comprising the steps of: (a) determining an estimated system run time by summing a battery run time remaining and a system run time; and (b) altering a speed of the variable speed electric motor when the estimated system run time is equal to or less than a desired system run time.



traducir


 

DRYING PROCEDURE IN MANUFACTURING PROCESS FOR CATHODE MATERIAL

NºPublicación: EP3442907A1 20/02/2019

Solicitante:
TESLA INC [US]

Resumen de: US2017294652A1

A method of manufacturing a cathode material for a lithium ion cell comprises: generating a lithium nickel composite oxide material in a manufacturing process, wherein the manufacturing process results in residual lithium being present in the lithium nickel composite oxide material; washing the lithium nickel composite oxide material to remove at least part of the residual lithium, wherein the washing provides the lithium nickel composite oxide material with a moisture content; and drying the lithium nickel composite oxide material to remove at least part of the moisture content, the drying performed in an environment of substantially only an inert gas or air essentially free of carbon dioxide.



traducir


 

ELECTRONIC DEVICE AND METHOD FOR CHARGING BATTERY

NºPublicación: EP3443637A1 20/02/2019

Solicitante:
SAMSUNG ELECTRONICS CO LTD [KR]

Resumen de: US2017294793A1

Provided are a battery charging method and an electronic device. The electronic device includes a connector that includes a first terminal to which a voltage is applied by an external charger and a second terminal for transmitting and receiving data, and a first charging circuit configured to charge a battery of the electronic device by using the voltage applied to the first terminal. The first charging circuit may include a communication circuit configured to transmit information related to the battery through the second terminal, a voltage converter configured to convert a voltage supplied to the battery and a first controller circuit configured to obtain first information regarding a voltage of the battery, control the communication circuit to transmit the first information to a charger connected with the connector, and control the voltage converter to charge the battery using a voltage adjusted based on the first information by the charger, if the adjusted voltage is applied to the first terminal.



traducir


 

ELECTROCHEMICAL REACTOR USING ION ON/OFF PLANAR SWITCH

NºPublicación: EP3444382A1 20/02/2019

Solicitante:
M HIKARI & ENERGY LABORATORY CO LTD [JP]

Resumen de: EP3444382A1

According to one embodiment, an electrochemical reactor includes an ion ON/OFF surface switch operating as an ionic conductor, which includes a pair of electrodes, an electrolyte aqueous solution present between the pair of electrodes, a water-repellent porous fluororesin membrane disposed such that at least one surface thereof is in contact with the electrolyte aqueous solution and comprising a plurality of pores communicating to each other and a pressing means configured to pressurize the electrolyte aqueous solution. According to embodiments, electrolysis, a secondary battery and a capacitor, which uses the water-repellent porous fluororesin membrane as an ion ON/OFF surface switch, can be provided.



traducir


 

ELECTROLYTE SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM ION SECONDARY BATTERY AND MODULE

NºPublicación: EP3444885A1 20/02/2019

Solicitante:
DAIKIN IND LTD [JP]

Resumen de: EP3444885A1

The present invention provides an electrolytic solution capable of providing an electrochemical device, such as a lithium ion secondary battery, or a module that has excellent high-temperature storage performance. The electrolytic solution contains: a homocyclic compound other than aromatic compounds; and a cyclic dicarbonyl compound. The homocyclic compound contains at least one group selected from the group consisting of a nitrile group and an isocyanate group.



traducir


 

SILICON NEGATIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR, NEGATIVE ELECTRODE PLATE, AND LITHIUM-ION BATTERY

NºPublicación: EP3444876A1 20/02/2019

Solicitante:
HUAWEI TECH CO LTD [CN]

Resumen de: EP3444876A1

This application provides a silicon negative material, a silicon negative material preparation method, a negative electrode plate, and a lithium-ion battery. The silicon negative material includes a silicon core, and a buffer coating layer and a first coating layer that are coated on a surface of the silicon core, where the first coating layer is a coating layer including a carbon material, and the carbon material includes at least one of the following doping elements: N, P, B, S, O, F, Cl, or H. In embodiments of this application, fast charging performance of the silicon negative material when being used as a negative electrode of a battery is improved.



traducir


 

BATTERY CHARGING/DISCHARGING CONTROL DEVICE AND METHOD FOR CONTROLLING SAME

NºPublicación: EP3444917A1 20/02/2019

Solicitante:
SAMSUNG SDI CO LTD [KR]

Resumen de: EP3444917A1

A charge and discharge control device of a battery charges the battery with a constant current in a constant current mode. When the voltage of the battery corresponds to an end-of-charge voltage, the charge and discharge control device converts the constant current mode to a constant voltage mode and thereby charges the battery with a constant voltage. The end-of-charge voltage is set as a first end-of-charge voltage minus a negative electrode threshold potential from the full-charge voltage of the battery, and the negative electrode threshold potential is a potential value of the negative electrode where a negative electrode active material contained in the battery causes a phase change.



traducir


 

SEPARATORS FOR ELECTROCHEMICAL CELLS

NºPublicación: EP3444867A1 20/02/2019

Solicitante:
OPTODOT CORP [US]
SIHL GMBH [DE]

Resumen de: EP3444867A1

Provided are separators for use in batteries and capacitors comprising (a) at least 50% by weight of an aluminum oxide and (b) an organic polymer, wherein the aluminum oxide is surface modified by treatment with an organic acid to form a modified aluminum oxide, and wherein the treatment provides dispersibility of the aluminum oxide in aprotic solvents such as N-methyl pyrrolidone. Preferably, the organic acid is a sulfonic acid, such as p-toluenesulfonic acid. Also preferably, the organic polymer is a fluorinated polymer, such as polyvinylidene fluoride. Also provided are electrochemical cells and capacitors comprising such separators.



traducir


 

LITHIUM SECONDARY BATTERY INCLUDING AN ELECTROLYTE ADDITIVE AND METHOD OF PREPARING THE LITHIUM SECONDARY BATTERY

NºPublicación: EP3444879A1 20/02/2019

Solicitante:
SAMSUNG ELECTRONICS CO LTD [KR]
SAMSUNG SDI CO LTD [KR]

Resumen de: EP3444879A1

The present invention relates to a lithium secondary battery including an electrolyte additive and method of preparing the lithium secondary battery. A lithium secondary battery includes: a positive electrode; a negative electrode; and an electrolyte between the positive electrode and the negative electrode, wherein the positive electrode includes a positive active material represented by Formula 1, and the electrolyte includes a lithium salt, a non-aqueous solvent, and a sulfone compound represented by Formula 2. Formula 1 Li x Ni y M 1-y O 2-z A z wherein, in Formula 1, 0.9 ¤x ¤1.2, 0.7 ¤y ¤0.98, 0 ¤z<0.2, M comprises Al, Mg, Mn, Co, Fe, Cr, V, Ti, Cu, B, Ca, Zn, Zr, Nb, Mo, Sr, Sb, W, Bi, or a combination thereof, and A is a monovalent anion, a divalent anion, or a combination thereof, and in Formula 2, R 1 and R 2 are each independently a halogen, an unsubstituted C 1 -C 10 alkyl group, or a C 1 -C 10 alkyl group substituted with a halogen, and a1 and a2 are each independently an integer from 0 to 5.



traducir


 

CIRCULATORY SYSTEM FOR FUEL CELL VEHICLE

NºPublicación: EP3444135A1 20/02/2019

Solicitante:
KONVEKTA AG [DE]

Resumen de: US2019047365A1

The invention relates to a circulation system (1) for a fuel cell vehicle, with a first flow circuit (10) which conveys a first fluid and can be operated in heat pump operation; a second flow circuit (30) which can be operated in a heat exchange connection to the first flow circuit (10) and which conveys a second fluid, in particular for the purpose of cooling a traction battery (39); and a third flow circuit (50) which can be operated in a heat exchange connection to the second flow circuit (30) and which conveys a third fluid, in particular for the purpose of cooling a fuel, cell arrangement (55), wherein the circulation system (1) also has a fourth flow circuit (70) which conveys a fourth fluid, and at least one conveying device (71) for the fourth fluid, least one heat exchanger (85) and/or convector (81) to which the fourth fluid can be conveyed for the purpose of heating at least one interior of a fuel cell vehicle and one heat exchanger (7) to which the fourth fluid can be conveyed for a heat exchange with the first fluid are arranged in the fourth flow circuit (70), wherein this heat exchanger (7) to which the first fluid can also be conveyed is arranged in the high-pressure region of the first flow circuit (10). Such, a circulation system (1) improves the flexibility and efficiency of the temperature control of vehicle interiors and of components of a fuel cell vehicle.



traducir


 

BATTERY MANAGEMENT APPARATUS AND METHOD

NºPublicación: EP3444888A2 20/02/2019

Solicitante:
LG CHEMICAL LTD [KR]

Resumen de: EP3444888A2

Disclosed is an apparatus and method for managing a battery. The battery management apparatus according to an embodiment of the present disclosure includes a memory unit and a control unit. The memory unit is configured to store a plurality of discharge curve models including a first discharge curve model associated with a first state of charge value, and in this instance, the first discharge curve model defines a change in voltage of a battery having the first state of charge value over time under a first discharge condition. The control unit is connected to the memory unit, allowing communication with the memory unit, and is configured to call the first discharge curve model stored in the memory unit.



traducir


 

DISULFONATE-BASED ADDITIVE AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

NºPublicación: EP3444887A2 20/02/2019

Solicitante:
SAMSUNG ELECTRONICS CO LTD [KR]
SAMSUNG SDI CO LTD [KR]

Resumen de: EP3444887A2

An electrolyte includes: a lithium salt; a non-aqueous solvent; and a disulfonate compound represented by Formula 1: wherein, in Formula 1, R 1 and R 2 are each independently a fluorine, a cyano group, a nitro group, or a methyl group substituted with at least one fluorine, R 11 to R 14 are each independently a hydrogen, a deuterium, a fluorine, a hydroxyl group, a cyano group, a nitro group, a substituted or unsubstituted C 1 -C 10 alkyl group, a substituted or unsubstituted C 2 -C 10 alkenyl group, or a substituted or unsubstituted C 2 -C 10 alkynyl group, a1 and a2 are each independently an integer of 1 to 5, a11 and a12 are each independently an integer of 0 to 4, and a sum of a1 and a11 is 5, and a sum of a2 and a12 is 5.



traducir


 

MINIATURE BATTERY WITH CONSTANT ELECTRODES PRESSURE AND ELECTROLYTE RESERVOIR

NºPublicación: EP3444878A1 20/02/2019

Solicitante:
LITRONIK BATTERIETECHNOLOGIE GMBH [DE]

Resumen de: EP3444878A1

Die Erfindung betrifft eine elektrochemische Spannungsquelle (1), mit: einer Anode (2), die Lithium aufweist, einer Kathode (3), die ein Manganoxid aufweist, einem Gehäuse (4), wobei die Kathode (3) und die Anode (2) in einem vom Gehäuse (4) umschlossenen Innenraum des Gehäuses (4) angeordnet sind und einander gegenüberliegen, einem Elektrolytreservoir in Form eines kompressiblen Speicherkörpers (6), der dazu ausgebildet ist, einen Elektrolyt aufzunehmen, wobei der Speicherkörper (6) zwischen der Anode (2) und der Kathode (3) angeordnet ist und dabei mit einer ersten Seite (6a) an einer Stirnseite (3b) der Kathode anliegt sowie mit einer zweiten Seite (6b), die der ersten Seite (6a) abgewandt ist, an einer Stirnseite (2a) der Anode (2) anliegt, wobei die Stirnseite (2a) der Anode (2) der besagten Stirnseite (3b) der Kathode (3) zugewandt ist, und einem Elektrolyt, der zumindest teilweise in dem Speicherkörper (6) aufgenommen ist. Erfindungsgemäß ist vorgesehen, dass der Speicherkörper (6) aus einem elektrisch isolierenden Material besteht, und dass die Kathode (3) dazu ausgebildet ist, bei einer Entladung der Spannungsquelle (1) eine Volumenzunahme zu erfahren, wobei die Anode (2) dazu ausgebildet ist, bei der Entladung eine Volumenabnahme zu erfahren, wobei zu jedem Zeitpunkt der Entladung der Absolutbetrag der bis dahin erfolgten Volumenzunahme der Kathode (3) zumindest so groß ist wie der Absolutbetrag der bis dahin erfolgten Volumenabnahme der Anode (2).



traducir


 

BATTERY CELL

NºPublicación: EP3444868A1 20/02/2019

Solicitante:
LG CHEMICAL LTD [KR]

Resumen de: EP3444868A1

Disclosed is a battery cell, which includes an electrode assembly, a battery case having a case body for accommodating the electrode assembly and a case terrace extending from the case body, a pair of electrode leads configured to protrude out of the battery case and electrically connected to the electrode assembly, and an overcharge cut-off unit provided in the case terrace to prevent overcharge of the battery cell.



traducir


 

METHOD FOR PRODUCING BATTERY MODULE

Nº publicación: EP3444889A1 20/02/2019

Solicitante:
LG CHEMICAL LTD [KR]

Resumen de: EP3444889A1

Disclosed is a method for manufacturing a battery module, which includes accommodating a battery cell assembly having at least one battery cell in a module case, and injecting a thermally conductive adhesive through at least one injection hole provided in a bottom portion of the module case so that the module case is coated with the thermally conductive adhesive.


traducir



 

Página1 de 16 nextPage Mostrar por página

Volver