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



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COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, POSITIVE ELECTRODE INCLUDING COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL, AND LITHIUM BATTERY INCLUDING POSITIVE ELECTRODE

NºPublicación: US2020168906A1 28/05/2020

Solicitante:

SAMSUNG ELECTRONICS CO LTD [KR]
POSTECH ACAD IND FOUND [KR]

BATTERY PACK

NºPublicación: US2020169106A1 28/05/2020

Solicitante:

ENVISION AESC ENERGY DEVICES LTD [JP]

CN_110999021_A

Resumen de: US2020169106A1

A battery pack (2000) includes a battery (2020), a contact-type switch (2040), a control unit (2060), and a sensor (2080). The battery pack (2000) is connected to a charger (10) through an electric power line (30). The battery (2020) is charged with a charging current supplied from the charger (10). The battery pack (2000) is connected to a load (20) through an electric power line (40). The contact-type switch (2040) is provided between the charger (10) and the battery (2020). The control unit (2060) turns off the contact-type switch (2040) in a case where a value detected by the sensor (2080) is equal to or smaller than a reference value decided based on specifications of the contact-type switch (2040).

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POWER TOOL SYSTEM AND BATTERY PACK THEREOF

NºPublicación: US2020168862A1 28/05/2020

Solicitante:

CHANGZHOU GLOBE CO LTD [CN]

CN_109301145_A

Resumen de: US2020168862A1

A power tool system and a battery pack. The battery pack includes a housing provided with a socket, and two battery cell groups received in the housing. Each battery cell group has a positive electrode and a negative electrode. The socket has four conductive terminals respectively and electrically connected to the electrodes of two battery cell groups. Two battery cell groups can be switched between isolated state and series connected state to output two different voltages through two conductive terminals with different polarities being disconnected or connected to each other, and the two conductive terminals with different polarities are respectively connected to two battery cell groups.

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ELECTRIC VEHICLE BATTERY CELL HEAT TRANSFER SYSTEM AND METHOD

NºPublicación: US2020168963A1 28/05/2020

Solicitante:

SF MOTORS INC [US]

US_2020168964_A1

Resumen de: US2020168963A1

Provided herein is a heat transfer system for a battery cell of a battery pack of an electric vehicle. The heat transfer system can provide temperature regulation of battery cells disposed within a battery pack of an electric vehicle during charging of the respective battery cells or operation of the electric vehicle. A battery cell can include a housing with an electrolyte disposed in an inner region defined by the housing and a dual polarity lid. The heat transfer system can include a sleeve coupled with an outer surface of the housing. A cooling plate can couple with a second end of the housing. A plurality of fins can extend from the first surface of the cooling plate. The plurality of fins can be disposed around the battery cell and coupled with the sleeve to facilitate heat transfer between the battery cell, the plurality of fins and the cooling plate.

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SECONDARY BATTERY

NºPublicación: WO2020105916A1 28/05/2020

Solicitante:

LG CHEMICAL LTD [KR]

Resumen de: WO2020105916A1

The present invention relates to a secondary battery, in which: an electrode assembly is mounted in a cylindrical can; a top cap, which is connected to a positive electrode of the electrode assembly, is coupled to the upper end of the can; and the can is connected to a negative electrode, wherein the secondary battery comprises a cooling member for emitting heat conducted thereto after being generated in the electrode assembly, the cooling member being coupled to a lower part of the can, and the cooling member includes a plurality of cooling fins arranged parallel to each other.

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METHOD FOR MANUFACTURING ANODE, AND SECONDARY BATTERY WITH IMPROVED RAPID CHARGING PERFORMANCE, HAVING ANODE ACCORDING THERETO

NºPublicación: WO2020106106A1 28/05/2020

Solicitante:

SK INNOVATION CO LTD [KR]

Resumen de: WO2020106106A1

The present invention relates to a secondary battery comprising a cathode, an anode and a separator interposed between the cathode and the anode, wherein the anode comprises an anode current collector and an anode mixture layer formed on at least one surface of the anode current collector, the anode mixture layer comprises an anode active material, a binder, and a conductive material, a loading amount of the anode mixture layer is 5 to 15 g/cm 2, and value R of the anode mixture layer is 3,000 or less, wherein R means (permeability of the anode mixture layer) x (current density of a battery) 2. According to the present invention, an overvoltage phenomenon of an anode surface and the deposition of lithium metal caused thereby can be prevented so that charging can be performed with a higher current, and thus rapid charging performance is improved and lifespan is excellent even in the same current.

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NON-AQUEOUS ELECTROLYTE AND LITHIUM ION BATTERY

NºPublicación: WO2020103923A1 28/05/2020

Solicitante:

SHENZHEN CAPCHEM TECHNOLOGY CO LTD [CN]

Resumen de: WO2020103923A1

In order to resolve the issue in which the addition of an unsaturated phosphate in existing non-aqueous electrolytes increases the interface resistance of a passivation film and deteriorates the low temperature performance of a battery, a non-aqueous electrolyte is provided, comprising a solvent, a lithium salt, and additives A and B. Additive A is selected from compounds represented by structural formula 1, and additive B is one or more compounds selected from compounds represented by structural formula 2 and structural formula 3. In the formulas, R1 is an alkenyl group having 2-5 carbon atoms or an alkynyl group having 2-5 carbon atoms, R2 is a fluoroalkyl group having 1-5 carbon atoms, and R3 is an alkyl group having 1-4 carbon atoms, an aryl group having 6-10 carbon atoms, an alkenyl group having 2-5 carbon atoms, an alkynyl group having 2-5 carbon atoms, or a fluoroalkyl group having 1-5 carbon atoms. Further disclosed is a lithium ion battery comprising the above non-aqueous electrolyte. The non-aqueous electrolyte provided can effectively balance the high and low temperature performance of batteries.

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LIGHTING DEVICE

NºPublicación: WO2020105420A1 28/05/2020

Solicitante:

NIPPON TELEGRAPH & TELEPHONE [JP]

Resumen de: WO2020105420A1

In order to improve the design properties of lighting devices, this lighting device (100) is provided with: side-wall light-transmissive glass pieces (2-5) which are arranged on the optical path of light emitted from a light source (6) and which, on part of or on the entirety thereof, include a light-transmissive battery (7) that drives the light source (6); and a bottom-surface light-transmissive glass piece (1) which includes a transparent conductive film. The light-transmissive battery (7) contacts a pair of transparent conductive film layers, and the pair of transparent conductive film layers are connected to the light source (6). Further, the pair of transparent conductive films are formed inside of a pair of straight parallel grooves (9a, 9b), which are formed in the surface of the bottom-surface light-transmissive glass piece (1), and a flat-plate-shape positive electrode tab (8a) and negative electrode tab (8b) of the light-transmissive battery (7) are fitted in the pair of grooves (9a, 9b), respectively.

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BATTERY MODULE AND BATTERY MODULE STACK

NºPublicación: WO2020102909A1 28/05/2020

Solicitante:

CORVUS ENERGY LTD [CA]

Resumen de: WO2020102909A1

There is described a battery module comprising: a cell enclosure for housing a plurality of battery cells; and a cooling assembly. The cooling assembly comprises a cooling channel extending from an aperture in a first side of the battery module to an aperture in a second side of the battery module. The cooling channel is positioned such that heat generated within the cell enclosure may be transferred to a cooling 5 fluid flowing, via the cooling channel, from the first side of the battery module to the second side of the battery module. There is also described a battery module stack comprising multiple such battery modules. The battery modules are arranged in a stacked formation such that the cooling channel of at least one battery module is aligned with the cooling channel of at least one adjacent battery module.

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ADDITIVES COMPRISING ALKALI METAL IONS OR ALKALINE EARTH METAL IONS, AND USE OF SAME IN ELECTROCHEMICAL CELLS

NºPublicación: WO2020102906A1 28/05/2020

Solicitante:

HYDRO QUEBEC [CA]

Resumen de: WO2020102906A1

The present technology relates to additives comprising alkali metal ions (other than lithium) and/or alkaline earth metal ions, as well as to the uses thereof in electrochemical cells. The present technology also relates to electrolytes, electrolyte compositions, electrochemical cells and batteries using additives comprising alkali metal ions and/or alkaline earth metal ions, and methods of manufacturing same.

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TRANSMITTER POWER DETECTION METHOD

NºPublicación: US2020169236A1 28/05/2020

Solicitante:

TAIWAN SEMICONDUCTOR MFG CO LTD [TW]

US_2019036503_A1

Resumen de: US2020169236A1

A method of detecting a power level of an RF signal includes driving an internal node of a power detection circuit to a DC node voltage level, generating, based on the DC node voltage level, a first component of an output voltage on an output node of the power detection circuit, receiving the RF signal on an input node of the power detection circuit, dividing the RF signal to generate a modulation signal on the internal node, and generating, by at least partially rectifying the modulation signal, a second component of the output voltage on the power detection circuit output node.

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NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE COMPRISING THE NEGATIVE ELECTRODE ACTIVE MATERIAL, AND SECONDARY BATTERY COMPRISING THE NEGATIVE ELECTRODE

NºPublicación: US2020168890A1 28/05/2020

Solicitante:

LG CHEMICAL LTD [KR]

Resumen de: US2020168890A1

A negative electrode active material which includes a secondary particle including first primary particles, wherein the first primary particle includes a core including SiOx, wherein 0≤x<2, an intermediate layer which covers at least a portion of a surface of the core and includes silicon nitride, silicon oxynitride, or a mixture thereof, and a carbon coating layer which covers at least a portion of the intermediate layer and includes nitrogen-doped carbon, and a negative electrode and a lithium secondary battery which include the same.

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METHOD FOR MANAGING THE ELECTRICAL ENERGY PASSING THROUGH A METAL-AIR BATTERY AND ASSOCIATED CELL

NºPublicación: US2020168969A1 28/05/2020

Solicitante:

ELECTRICITE DE FRANCE [FR]

CN_111095664_A

Resumen de: US2020168969A1

A method for managing the electrical energy passing through a metal-air battery comprising a cell and the associated cell comprising a negative electrode, a first positive electrode referred to as the air electrode, and a second positive electrode referred to as the power electrode. The cell further comprises a third positive electrode. In a first charging phase, a charging voltage is applied to the cell, this voltage causing current to travel between the negative electrode and the second positive electrode, the first and third positive electrodes being electrically inactive. In a second charging phase, the charging voltage causes current to travel between the negative electrode and said third positive electrode, the first and second positive electrode being electrically inactive.

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ANODE FOR LITHIUM METAL BATTERY, AND ELECTROCHEMICAL DEVICE COMPRISING SAME

NºPublicación: US2020168902A1 28/05/2020

Solicitante:

LG CHEMICAL LTD [KR]

KR_20190067734_A

Resumen de: US2020168902A1

A negative electrode for a lithium metal battery which includes: a current collector; a negative electrode active material layer formed on the surface of a current collector; a heat conductive layer formed on a surface of the negative electrode active material layer wherein the heat conductive layer comprises a heat conductive material having a heat conductivity of 25 W/m·K to 500 W/m·K; and a protective layer formed on a surface of the heat conductive layer, wherein the protective layer includes at least one of a porous polymer layer and a ceramic layer. An electrochemical device including the negative electrode for a lithium metal battery. The negative electrode for a lithium metal battery includes a heat conductive layer and a protective layer, and can inhibit growth of lithium dendrite in a negative electrode for a lithium metal battery and improve the cycle life of an electrochemical device.

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ANODE

NºPublicación: US2020168904A1 28/05/2020

Solicitante:

TOYOTA MOTOR CO LTD [JP]

Resumen de: US2020168904A1

Provided is an anode configured to increase the ion conductivity of an anode layer and suppress a decrease in the energy density of the anode layer. Disclosed is an anode, wherein the anode is an anode comprising an anode layer for all-solid-state batteries; wherein the anode layer comprises an anode active material, a solid electrolyte and an ionic liquid; wherein the anode layer comprises at least one Si-based material selected from the group consisting of elemental Si and Si alloy as the anode active material; and wherein the ionic liquid is a solvated ionic liquid containing, in molar ratio, 1.5 mol or more of lithium bis(fluorosulfonyl)imide with respect to 1 mol of tetraglyme, or the ionic liquid is a solvated ionic liquid containing, in molar ratio, 2.0 mol or more of lithium bis(trifluoromethanesulfonyl)imide with respect to 1 mol of tetraglyme.

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Battery Heat Balancing During Peak Power Mode

NºPublicación: US2020166978A1 28/05/2020

Solicitante:

MATSUMURA NAOKI [US]
KEATES ANDY [US]
FRITZ BRIAN [US]

Resumen de: US2020166978A1

In some examples, a control unit is configured to consider battery heat. The control unit is adapted to provide power from a battery to a system during a peak power mode that includes peak power and off-peak power, and consider heat balance in the battery during the peak power mode by providing peak power so that heat of the battery corresponds to a reference condition heat of the battery.

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SECONDARY BATTERY SAFETY EVALUATION METHOD AND DEVICE

NºPublicación: US2020166580A1 28/05/2020

Solicitante:

LG CHEMICAL LTD [KR]

KR_20190092767_A

Resumen de: US2020166580A1

A safety evaluation method according to the present disclosure includes preparing a sample for secondary battery electrode evaluation in which a short circuit will occur by contact between components included in the sample, applying a predetermined pressure that will cause the contact between the components to an area of the sample set as a secondary battery internal short circuit simulation contact area, applying a current between I probes in contact with the sample, obtaining resistance by measuring a potential difference between V probes which are separate from the I probes, obtaining a graph of a change in resistance with a change in distance between the V probes, calculating a short circuit resistance of the area from y-intercept of the graph, and predicting a heat generation amount of the area from the short circuit resistance.

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ELECTROLYTIC COPPER FOIL FOR SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME

NºPublicación: US2020165738A1 28/05/2020

Solicitante:

ILJIN MAT CO LTD [KR]

JP_2019536211_A

Resumen de: US2020165738A1

The present invention relates to an electrolytic copper foil for a secondary battery and a method of producing the same. The electrolytic copper foil for a secondary battery, in which a burr and curl of a negative electrode plate are inhibited from being formed after an electrolytic copper foil is coated with a negative electrode active material, thereby increasing the loading volume of a negative electrode and increasing a capacity. The electrolytic copper foil for a secondary battery is produced from a plating solution containing Total Organic Carbon (TOC) by using a drum, in which the electrolytic copper foil is formed of one surface that is in direct contact with the drum and the other surface that is an opposite surface of the one surface, and an average cross-sectional grain size of the one surface is 80% or less of an average cross-sectional grain size of the other surface.

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Halbelektrodenstapel und dessen Herstellung

NºPublicación: DE102018219988A1 28/05/2020

Solicitante:

BOSCH GMBH ROBERT [DE]

Resumen de: DE102018219988A1

Es wird ein Halbelektrodenstapel mit zumindest einem Stromsammler (106) und einer Elektrode (102) bereitgestellt, wobei eine Zwischenschicht (104) zwischen dem Stromsammler (106) und der Elektrode (102) angeordnet ist und wobei die Zwischenschicht (104) zumindest ein Aktivmaterial und einen Binder enthält.

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NANOCOMPOSITE ELECTROSPUN MATERIALS BASED ON CU2O/CARBON AS ANODES FOR LITHIUM BATTERIES

NºPublicación: WO2020104120A1 28/05/2020

Solicitante:

UNIV DEGLI STUDI G DANNUNZIO CHIETI PESCARA [IT]

Resumen de: WO2020104120A1

Membrane comprising nanocomposite electrospun materials based on Copper (I) oxide (Cu2O)/carbon with random oriented fibers and having a diameter comprised between 0,3 micrometre and 0,6 µm wherein in the membrane the pore size is comprised between 5 and 15 µm, electrodes and Li-ion batteries which comprise them as well as the electrospinning processes for the preparation thereof are described.

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Batteriemodul und Verfahren zu dessen Herstellung

NºPublicación: DE102018219980A1 28/05/2020

Solicitante:

BOSCH GMBH ROBERT [DE]

Resumen de: DE102018219980A1

Es wird ein Batteriemodul mit zumindest zwei Batteriezellen (102, 104) beschrieben, die jeweils ein aus zwei Folien entsprechend einer ersten (106, 110) bzw. einer zweiten (108, 112) Großfläche gebildetes Gehäuse aufweisen, wobei die erste (106, 110) bzw. zweite Großfläche (108, 112) von Außenkanten (114, 116, 118, 120) begrenzt ist und wobei eine erste Batteriezelle (102) neben einer zweiten Batteriezelle (104) derart angeordnet ist, dass eine erste Außenkante (116) der ersten Batteriezelle (102) mit einer zu der ersten Außenkante parallel ausgerichteten zweiten Außenkante (118) der zweiten Batteriezelle (104) stoffschlüssig verbunden ist.

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COMPOSITE ELECTRODE WITH HOMOGENEOUS DEPOSITION METHOD

NºPublicación: DE102018219925A1 28/05/2020

Solicitante:

BOSCH GMBH ROBERT [DE]

EP_3657575_A1

Resumen de: EP3657575A1

Gegenstand der Erfindung ist eine Kompositelektrode (1) für eine elektrochemische Festkörperzelle, umfassend:mindestens eine im Wesentlichen nicht poröse Festelektrolytschicht (2), umfassend mindestens einen ersten Festelektrolyten,mindestens eine poröse Festelektrolytschicht (3), umfassend mindestens einen zweiten Festelektrolyten (7), undmindestens eine Stromsammlerschicht (4),wobeidie poröse Festelektrolytschicht (3) auf mindestens einer Oberfläche (41, 42) der Stromsammlerschicht (4) und zwischen der im Wesentlichen nicht porösen Festelektrolytschicht (2) und der Stromsammlerschicht (4) angeordnet ist,mindestens ein Teil der Oberfläche der Poren (6) der porösen Festelektrolytschicht (3) durch eine Beschichtung (5) mit mindestens einem Material zur Reduzierung eines Grenzflächenwiderstands Z zwischen dem zweiten Festelektrolyten (7) und elementarem Lithium modifiziert wurde,und die Schichtdicke der Beschichtung (5) der Oberfläche der Poren (6) der porösen Festelektrolytschicht (3) mit mindestens einem Material zur Reduzierung des Grenzflächenwiderstands Z zwischen dem zweiten Festelektrolyten (7) und elementarem Lithium mit zunehmendem Abstand der jeweiligen Porenoberfläche von der Stromsammlerschicht (4) abnimmt.Gegenstand der Erfindung ist auch ein Verfahren zur Herstellung einer solchen Kompositelektrode (1), deren Verwendung sowie eine elektrochemischen Festkörperzelle, umfassend eine solche Kompositelektrode (1).

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Batterie für ein Kraftfahrzeug und Kraftfahrzeug

NºPublicación: DE102019118392A1 28/05/2020

Solicitante:

BAYERISCHE MOTOREN WERKE AG [DE]

Resumen de: DE102019118392A1

Die Erfindung betrifft eine Batterie (16) für ein Kraftfahrzeug, mit wenigstens zwei Batteriemodulen (1), welche miteinander verbunden sind. Das jeweilige Batteriemodul (1) weist einen Modulrahmen (5) auf, welcher einen Stapel von Batteriezellen (2) des jeweiligen Batteriemoduls (1) mit Druck beaufschlagt. Der jeweilige Modulrahmen (5) weist eine erste Druckplatte (3) auf, welche an einer ersten Stirnseite des Batteriemoduls (1) angeordnet ist, und eine zweite Druckplatte (4), welche an einer zweiten Stirnseite des Batteriemoduls (1) angeordnet ist. Wenigstens eine Seitenwand (6, 7) des jeweiligen Modulrahmens (5) ist durch Schweißen mit der ersten Druckplatte (3) und mit der zweiten Druckplatte (4) verbunden. Die Modulrahmen (5) von wenigstens zwei benachbart zueinander angeordneten Batteriemodulen (1) sind durch Schweißen miteinander verbunden. Des Weiteren betrifft die Erfindung ein Kraftfahrzeug mit wenigstens einer solchen Batterie (16) für ein Kraftfahrzeug.

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BATTERY MODULE AND USE OF SUCH A BATTERY MODULE

NºPublicación: DE102018220488A1 28/05/2020

Solicitante:

BOSCH GMBH ROBERT [DE]

US_2020168967_A1

Resumen de: US2020168967A1

A battery module having at least one battery cell is disclosed, in particular a lithium-ion battery cell, comprising a housing, in which the at least one battery cell is accommodated, and a temperature-regulating element, wherein a Peltier element is furthermore arranged between the at least one battery cell and the temperature-regulating element, which Peltier element is thermally conductively connected in each case to the at least one battery cell and the temperature-regulating element, and which Peltier element is furthermore connected to a voltage source in such a way that heat transfer between the at least one battery cell and the temperature-regulating element is able to be formed by means of the Peltier element, wherein a compensation element for homogenizing the temperature, said compensation element being formed from a metallic material, is furthermore arranged between the at least one battery cell and the Peltier element, wherein preferably the at least one battery cell is directly or cohesively connected to the compensation element.

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Batteriegehäuse

Nº publicación: DE102018220497A1 28/05/2020

Solicitante:

MAHLE INT GMBH [DE]

Resumen de: DE102018220497A1

Die Erfindung betrifft ein Batteriegehäuse (1), insbesondere für ein Elektro- oder Hybridfahrzeug (2),- mit einem Kunststoffteil (3) und einem Aluminiumteil (4), die fluiddicht miteinander verbunden sind und zusammen eine Kühlkanalstruktur (5) bilden,- wobei das Aluminiumteil (4) einen elastisch nachgiebigen Dehnbereich (7) aufweist und/oder elastisch mit dem Kunststoffteil (3) verbunden ist, um unterschiedliche Wärmedehnungen kompensieren zu können.

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