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



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Magnetic Templating in Electrode Manufacturing

NºPublicación: US2020212429A1 02/07/2020

Solicitante:

SF MOTORS INC [US]
CHONGQING JINKANG NEW ENERGY VEHICLE LTD [CN]

Resumen de: US2020212429A1

External forces are applied to a slurry mixture to achieve a more organized slurry structure in the manufacturing of an electrode. A slurry is generated with paramagnetic materials that exhibit magnetic properties when a magnetic field is applied to the slurry. The slurry with the paramagnetic materials is applied to a current conductor, and then a magnetic field is applied to the slurry, for example during an electrode drying process. By applying a magnetic field, the paramagnetic material orientation can be aligned into a more organized structure. In some instances, the alignment creates a porous structure or gap between pillars that form within the dried slurry material. The dried, porous slurry structure allows for electrolyte wetting and ionic accessibility that is greatly improved over electrodes manufactured using typical techniques.

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ELECTRODE SHEET ROLLING PRESS HAVING A SHORT STRESS LINE AND INTEGRATED APPARATUS FOR MANUFACTURING LITHIUM BATTERY ELECTRODE SHEET

NºPublicación: US2020212421A1 02/07/2020

Solicitante:

UNIV TAIYUAN SCIENCE & TECH [CN]

WO_2018228304_PA

Resumen de: US2020212421A1

A short stress path-type electrode sheet rolling machine and an integrated machine equipment for manufacturing lithium battery electrode sheets, whereby the rolling machine comprises: an upper roller mechanism, a lower roller mechanism, an upper bearing base, a lower bearing base and a roller-gap adjusting mechanism; the upper roller mechanism is connected to the upper bearing base, and the lower roller mechanism is connected to the lower bearing base; the upper bearing base and the lower bearing base are connected by means of a guide shaft; the roller-gap adjusting mechanism is connected to the upper roller mechanism so as to adjust a roller gap between the upper roller mechanism and the lower roller mechanism. The rolling machine has a simpler and more reliable structure, has a shorter stress return path when performing electrode sheet rolling, and may improve rolling precision and rolling quality.

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SECONDARY BATTERY AND BATTERY MODULE

NºPublicación: US2020212411A1 02/07/2020

Solicitante:

CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]

EP_3675202_A1

Resumen de: US2020212411A1

The present disclosure relates to a secondary battery and a battery module. The secondary battery comprises a case, comprising a base plate and a side plate connected with the base plate, wherein the base plate and the side plate form a receiving hole and an opening in communication with the receiving hole, the opening is arranged opposite to the base plate in an axial direction of the receiving hole, and the base plate has a thickness larger than that of the side plate; a cap assembly, sealingly connected with the side plate to close the opening; and an electrode assembly, disposed in the receiving hole and comprising two or more electrode units, which are stacked in the axial direction, and each electrode unit is arranged with a wide side opposite to the base plate and a narrow side toward the side plate.

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RECHARGEABLE BATTERY PACK UNIT

NºPublicación: US2020212409A1 02/07/2020

Solicitante:

BOSCH GMBH ROBERT [DE]

KR_20200019880_A

Resumen de: US2020212409A1

A rechargeable battery pack unit encompassing a rechargeable battery cell, which includes a cell pole, and encompassing a current collector, the cell pole being integrally joined to the current collector in a connecting area, a ratio of a wall thickness of the cell pole and the thickness of the current collector being maximally, and the current collector being made of copper.

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NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK

NºPublicación: US2020212441A1 02/07/2020

Solicitante:

TOSHIBA KK [JP]

CN_111164819_A

Resumen de: US2020212441A1

According to one embodiment, provided is a nonaqueous electrolyte battery including a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode includes lithium manganese composite oxide particles having a spinel crystal structure and lithium cobalt composite oxide particles. The negative electrode includes a titanium-containing oxide. The nonaqueous electrolyte contains a propionate ester. The battery satisfies 0.8≤p/n≤1.2 and 1≤w/s≤60. p denotes a capacity per unit area of the positive electrode. n denotes a capacity per unit area of the negative electrode. w denotes a content of the propionate ester in the nonaqueous electrolyte and is in a range of 10% by weight to 60% by weight. s denotes an average particle size of the lithium manganese composite oxide particles.

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CYCLING PROTOCOL FOR ALKALINE BATTERIES

NºPublicación: US2020212440A1 02/07/2020

Solicitante:

RESEARCH FOUNDATION OF THE CITY UNIV OF NEW YORK [US]

WO_2019028160_PA

Resumen de: US2020212440A1

A method of operating a battery comprises discharging a cathode comprising manganese dioxide to within a 2nd electron capacity of the manganese dioxide at a C-rate of equal to or slower than C/10, recharging the battery, and cycling the battery during use a plurality of times. The cathode is in a battery, and the battery comprises the cathode, an anode, a separator disposed between the anode and the cathode, and an electrolyte. The cathode comprises the manganese dioxide and a conductive carbon. The anode comprises: a metal component and a conductive carbon. The metal component can be a metal, metal oxide, or metal hydroxide, and the metal of the metal component can be zinc, lithium, aluminum, magnesium, iron, cadmium and a combination thereof.

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LITHIUM CONDUCTING CERAMIC OXIDE DECONTAMINATION METHOD

NºPublicación: US2020212483A1 02/07/2020

Solicitante:

BOSCH GMBH ROBERT [DE]

DE_102019219846_A1

Resumen de: US2020212483A1

A method of decontaminating a lithium conducting ceramic oxide material. The method includes soaking the lithium conducting ceramic oxide material having a first thickness of surface contaminants in a first organic solvent containing an inorganic salt at an inorganic salt concentration to obtain a soaked lithium conducting ceramic oxide material. The method further includes rinsing the soaked lithium conducting ceramic oxide material in a second organic solvent to obtain a decontaminated lithium conducting ceramic oxide material having a second thickness of surface contaminants less than the first thickness of surface contaminants.

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LITHIUM CONDUCTING CERAMIC OXIDE DECONTAMINATION METHOD

NºPublicación: DE102019219846A1 02/07/2020

Solicitante:

BOSCH GMBH ROBERT [DE]

US_2020212483_A1

Resumen de: US2020212483A1

A method of decontaminating a lithium conducting ceramic oxide material. The method includes soaking the lithium conducting ceramic oxide material having a first thickness of surface contaminants in a first organic solvent containing an inorganic salt at an inorganic salt concentration to obtain a soaked lithium conducting ceramic oxide material. The method further includes rinsing the soaked lithium conducting ceramic oxide material in a second organic solvent to obtain a decontaminated lithium conducting ceramic oxide material having a second thickness of surface contaminants less than the first thickness of surface contaminants.

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Elektrischer Energiespeicher, System zum Lagern eines elektrischen Energiespeichers und Verfahren zum Lagern eines elektrischen Energiespeichers

NºPublicación: DE102019220422A1 02/07/2020

Solicitante:

ROBERT BOSCH GES MIT BESCHRAENKTER HAFTUNG [DE]

Resumen de: DE102019220422A1

Elektrischer Energiespeicher (1), System zur Lagerung eines elektrischen Energiespeichers (1) und Verfahren zum Lagern eines elektrischen Energiespeichers (1), wobei der elektrische Energiespeicher (1) zumindest eine elektrische Energiespeicherzelle, eine Steuereinheit, einen ersten elektrischen Anschluss (2) und ein Schaltelement aufweist,wobei die Steuereinheit eingerichtet ist, das Schaltelement zu steuern.

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Batterie-Anschlussmodul

NºPublicación: DE102019134469A1 02/07/2020

Solicitante:

MOLEX LLC [US]

Resumen de: DE102019134469A1

Ein Batterie-Anschlussmodul, umfassend mehrere Sammelschienen, zwei Brücken-Sammelschienen, eine elastische Leiterplatte, eine Elektrodeneinheit und einen Strom-Verbindungssteg. Jede Brücken-Sammelschiene weist einen ersten Sammelabschnitt zum elektrischen Anschließen eines ersten Batteriepacks, einen zweiten Sammelabschnitt zum elektrischen Anschließen eines zweiten Batteriepacks sowie einen zwischen den beiden vorgenannten angeschlossenen Brückenabschnitt auf. Die elastische Leiterplatte umfasst einen Auslegerarm sowie einen am Auslegerarm angebrachten Temperatursensor, wobei an den Sammelschienen eine zur Aufnahme des Temperatursensors geeignete Aussparung herausgebildet ist. Die Elektrodeneinheit umfasst eine mittels Überlappungsverbindung mit den Sammelschienen verbundene Plattenelektrode, ein die Plattenelektrode haltendes Plattenelektroden-Halteteil sowie einen an der Plattenelektrode angebrachten Strom-Anschlusssockel. Der Strom-Verbindungssteg weist einen mit dem Strom-Anschlusssockel über eine Schnallenverbindungskonstruktion, eine Ausrichtungskonstruktion, ein Befestigungselement und eine Buchse gekoppelten Strom-Verbindungsstecker auf.

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PROTECTIVE COATINGS FOR LITHIUM METAL ELECTRODES

NºPublicación: DE102019115873A1 02/07/2020

Solicitante:

UNIV BROWN [US]
GM GLOBAL TECH OPERATIONS LLC [US]

US_2020212446_A1

Resumen de: US2020212446A1

Double-layered protective coatings for lithium metal electrodes, as well as methods of formation relating thereto, are provided. The negative electrode assembly includes an electroactive material layer including lithium metal and a protective dual-layered coating. The protective dual-layered coating includes a polymeric layer disposed on a surface of the electroactive material layer and an inorganic layer disposed on an exposed surface of the polymeric layer. The polymeric layer has an elastic modulus of greater than or equal to about 0.01 GPa to less than or equal to about 410 GPa. The inorganic layer has an elastic modulus of greater than or equal to about 10 GPa to less than or equal to about 1000 GPa.

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METHOD FOR WELDING CELL INTERCONNECTORS, AND WELDING ELECTRODE ARRANGEMENT FOR SAID METHOD

NºPublicación: DE102018133644A1 02/07/2020

Solicitante:

CLARIOS GERMANY GMBH & CO KGAA [DE]

Resumen de: WO2020136195A1

Welding electrode arrangement and method for welding in each case one interconnector of two adjacent electrochemical cells of a rechargeable battery, wherein the two electrochemical cells are arranged in a manner separated from one another by means of a housing separating wall, wherein the interconnectors are arranged on two opposite sides of the housing separating wall in a manner facing one another, wherein an opening is arranged in a region of the housing separating wall, in which region the interconnectors are situated opposite each other, and wherein the method comprises the following steps: contact-connecting the interconnectors with a welding electrode arrangement, wherein the welding electrode arrangement has at least one pair of welding electrodes, wherein in each case one welding electrode of the at least one pair of welding electrodes makes contact with one of the interconnectors by means of an insert part (100), and welding the interconnectors in such a way that, by means of a pressure which is applied by the insert parts (100) of the welding electrodes and a current which is applied to the welding electrode arrangement, the material of the interconnectors melts at least in regions and cohesively connects through the opening in the housing separating wall, specifically such that the welding area generated has a proportion by area of plastic inclusions of at most 8% in the welding area.

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SECONDARY BATTERY AND BATTERY MODULE

NºPublicación: WO2020133662A1 02/07/2020

Solicitante:

CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]

Resumen de: WO2020133662A1

Provided are a secondary battery and a battery module. The battery module comprises a plurality of secondary batteries arranged in sequence. Each of the secondary batteries comprises an electrode assembly (1), a casing (2), and a top cover assembly (3). The casing (2) has an accommodation chamber (21), and the electrode assembly (1) is accommodated in the accommodation chamber (21). The electrode assembly (1) comprises a plurality of electrode units (11), wherein the plurality of electrode units (11) are arranged in a stacked manner in an axial direction of the accommodation chamber (21). The top cover assembly (3) comprises a top cover plate (31) and a rupture disk (32), wherein the top cover plate (31) is connected to the casing (2) and located on one side of the electrode assembly (11) in an axial direction. The top cover plate (31) is provided with a through hole (311), and the rupture disk (32) is connected to the top cover plate (31) and covers the through hole (311). The top cover plate (31) has a first inner surface (312) on the side near the electrode assembly (1), the rupture disk (32) has a second inner surface (321) on the side near the electrode assembly (1), and the distance between the first inner surface (312) and the electrode assembly (1) is less than the distance between the second inner surface (321) and the electrode assembly (1). In the battery module, the direction in which the plurality of secondary batteries are arranged is perpendicular to the axial

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SECONDARY BATTERY AND BATTERY MODULE

NºPublicación: WO2020133673A1 02/07/2020

Solicitante:

CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]

Resumen de: WO2020133673A1

The present application relates to a secondary battery and a battery module. The secondary battery comprises: a housing, comprising an accommodating hole having an opening; a top cover assembly, sealedly connected to the housing so as to close the opening; an electrode assembly, arranged inside the accommodating hole, the electrode assembly comprising two end faces opposingly arranged in a first direction perpendicular to the axial direction of the accommodating hole, and tabs extending from the end faces, and the electrode assembly comprising two or more electrode units, the two or more electrode units being stacked in the axial direction; a current collection unit, the current collection unit comprising a first piece material and first current collection pieces connected to the first piece material, the first piece material extending in the axial direction, the tabs extending in the first direction and connecting to the first current collection pieces, and the portions of the tabs connected to the first current collection pieces being stacked in the axial direction with the first current collection pieces. The tabs of the secondary battery of the present application can be connected to the first current collection pieces without needing to be bent, thus preventing the tabs from coming under excessive tensile stress and breaking due to bending.

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METHOD FOR MANUFACTURING BATTERIES AND BATTERY OBTAINED BY SAID METHOD

NºPublicación: WO2020136313A1 02/07/2020

Solicitante:

I TEN [FR]

FR_3091036_A1

Resumen de: WO2020136313A1

Battery comprising at least one anode and at least one cathode, arranged on top of one another in an alternating manner, the battery comprising lateral edges comprising an anode connection area and a cathode connection area, preferably laterally opposite the anode connection area, and longitudinal edges, in which the anode comprises a current collector substrate, - at least one anode layer, and - optionally, a layer of an electrolyte material, and the cathode comprises: - a current collector substrate, at least one cathode layer, and - optionally a layer of an electrolyte material such that the battery comprises successively at least one anode layer, at least one layer of an electrolyte material and at least one cathode layer, characterized in that each anode and each cathode comprises a respective main body, separated from a respective secondary body by a space that is free of any electrode, electrolyte and/or current collector substrate material, the free space joining or extending between the opposite longitudinal edges of the battery.

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ELECTROCHEMICAL DEVICES AND RELATED ARTICLES, COMPONENTS, CONFIGURATIONS, AND METHODS

NºPublicación: WO2020139802A2 02/07/2020

Solicitante:

SION POWER CORP [US]

Resumen de: WO2020139802A2

Articles containing electrodes and current collectors arranged such that at least one electrode can be electronically isolated from other components of the article and/or an electrochemical device, and associated systems and methods, are provided. In some cases, the articles contain substrates for which a change in volume of the substrate causes at least one electrode to become electronically isolated from other components of the article and/or an electrochemical device. In certain cases, heating the substrate causes the change in volume of the substrate. Articles and electrochemical devices containing electrodes, current collectors, heaters, and/or sensors and associated systems and methods, are also provided. Electrochemical devices containing electrodes and current collectors arranged in a folded configuration, and associated articles, systems and methods, are also provided.

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METHOD FOR WELDING CELL INTERCONNECTORS, AND WELDING ELECTRODE ARRANGEMENT FOR SAID METHOD

NºPublicación: WO2020136195A1 02/07/2020

Solicitante:

CLARIOS GERMANY GMBH & CO KGAA [DE]

DE_102018133644_A1

Resumen de: WO2020136195A1

Welding electrode arrangement and method for welding in each case one interconnector of two adjacent electrochemical cells of a rechargeable battery, wherein the two electrochemical cells are arranged in a manner separated from one another by means of a housing separating wall, wherein the interconnectors are arranged on two opposite sides of the housing separating wall in a manner facing one another, wherein an opening is arranged in a region of the housing separating wall, in which region the interconnectors are situated opposite each other, and wherein the method comprises the following steps: contact-connecting the interconnectors with a welding electrode arrangement, wherein the welding electrode arrangement has at least one pair of welding electrodes, wherein in each case one welding electrode of the at least one pair of welding electrodes makes contact with one of the interconnectors by means of an insert part (100), and welding the interconnectors in such a way that, by means of a pressure which is applied by the insert parts (100) of the welding electrodes and a current which is applied to the welding electrode arrangement, the material of the interconnectors melts at least in regions and cohesively connects through the opening in the housing separating wall, specifically such that the welding area generated has a proportion by area of plastic inclusions of at most 8% in the welding area.

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ELECTRIC BATTERY MODULE AND BATTERY COMPRISING AT LEAST ONE SUCH MODULE

NºPublicación: WO2020136160A1 02/07/2020

Solicitante:

SOGEFI AIR & COOLING [FR]

FR_3076951_PA

Resumen de: WO2020136160A1

The invention relates to an electric battery module (1) comprising a plurality of individual accumulators (2) in the form of cylindrical elements mounted in a container (3). Battery module (1), characterised in that the container (3) comprises: - at least one support member (4) defining a plurality of elongate housings which each receive a row (Ri) of battery elements (2), - first keying elements (6) in the form of open-worked pieces in the form of ladders or frames comprising longitudinal members and rungs arranged in such a manner that each battery element (2) is secured in position at least in the longitudinal direction (DL) of the elongate housing thereof in relation to the first keying elements (6), - at least one second keying element (7) mounted above the elongate housings and arranged so as to urge the first keying elements (6) towards the bottoms of the elongate housings and against the battery elements (2) which they surround in pairs.

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ELECTRIC BATTERY MODULE AND BATTERY COMPRISING AT LEAST ONE SUCH MODULE

NºPublicación: WO2020136158A1 02/07/2020

Solicitante:

SOGEFI AIR & COOLING [FR]

FR_3076950_PA

Resumen de: WO2020136158A1

The invention relates to an electric battery module (1) comprising a plurality of individual accumulators (2) in the form of cylindrical cells arranged in parallel rows mounted in a container (3). A battery module (1) characterised in that the container (3) comprises: at least one support body (4) made of a rigid material that is a good heat conductor in the form of a profiled part with a comb-shaped cross-section forming elongate cavities configured to each loosely receive a row of battery cells (2), as well as at least first mechanical wedging means (8) blocking the movements of said cells (2) at least in the longitudinal direction of the cavity receiving them and separating said cells (2) from the two compartmentalisation walls (5) that define said recess.

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BATTERY MODULE

NºPublicación: WO2020134799A1 02/07/2020

Solicitante:

CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]

CN_209447908_U

Resumen de: WO2020134799A1

The present application relates to a battery module, comprising: more than two battery cells that comprise electrode terminals; connection pieces, wherein the electrode terminals between the adjacent battery cells are connected by means of the connection piece; and a clamping and sampling structure, comprising a wiring part for fixing a wire harness and a clamping structure, wherein one end of the clamping structure is connected with the wiring part, and the other end of the clamping structure is clamped on the connection piece. An information collection wire harness in the battery module is clamped on the connection piece by means of the clamping and sampling structure, instead of being directly welded on the connection piece, and the wire hardness is directly fixed at the wiring part and then is clamped on the connection piece by means of the clamping structure, so that the collection of a signal is realized, and thus, connection intensity between the information collection wire harness and the connection piece is effectively improved.

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BATTERY

NºPublicación: WO2020137005A1 02/07/2020

Solicitante:

PANASONIC IP MAN CO LTD [JP]

Resumen de: WO2020137005A1

A battery 100 comprises: a power generating element 110 containing a solid electrolyte; and a first member 120 in contact with a principal surface 110c of the power generating element 110. The principal surface 110c has a central section 110a, and annular end sections 110b that surround the central section 110a. The first member 120 has a central region 120a that overlaps the central section 110a of the principal surface 110c in a plan view, and end regions 120b that overlap the end sections 110b of the principal surface 110c in a plan view. The central region 120a and/or the end regions 120b are in contact with the principal surface 110c. The Young's modulus of the end regions 120b is lower than the Young's modulus of the central region 120a.

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BATTERY MODULE

NºPublicación: US2020212418A1 02/07/2020

Solicitante:

CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]

EP_3675271_A1

Resumen de: US2020212418A1

Disclosed herein is a battery module including a plurality of batteries arranged in a length direction, an end plate disposed at an end part of the plurality of batteries in the length direction, a flexible printed circuit (FPC), and a connector. The FPC can include a main body portion located above and electrically connected to a corresponding battery in a height direction, and a bent portion bent and extending from the main body portion and located on the lower side of the main body portion, the bent portion is fixedly connected to the end plate. The connector is fixedly and electrically connected to the bent portion. When the battery module is subjected to vibration shock, the flexible characteristic of the FPC in the present disclosure can be used to transfer and release the shock.

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Utilization of Reduced Graphene Oxide for High Capacity Lithium Ion Battery

NºPublicación: US2020212433A1 02/07/2020

Solicitante:

SF MOTORS INC [US]
CHONGQING JINKANG NEW ENERGY VEHICLE LTD [CN]

Resumen de: US2020212433A1

Systems and methods for manufacturing an electrode is provided. An example method may comprise disposing, by a blade, a slurry onto a surface of a current collector, the slurry including an active material and a solvent, applying, by an electric field source, an electric field between the blade and the current collector, and drying the slurry applied to the surface of the current collector to remove the solvent. The electric field is applied continuously while the slurry is disposed onto the surface of the current blade. The electric field affects the structure of portions of the slurry by causing a Van der Waals interaction and a polarization attraction between the active material and the current collector. The slurry may include of 95% graphite, 3% of a binder, and 5% of reduced graphene oxide. The solvent may include 4 to 1 mixture of water and isopropyl alcohol.

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BATTERY MODULE AND BATTERY PACK

NºPublicación: US2020212396A1 02/07/2020

Solicitante:

CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]

CN_209249548_U

Resumen de: US2020212396A1

The present disclosure discloses a battery module and a battery pack. The battery module comprises a plurality of battery cells and a fireproof member, wherein each of the plurality of battery cells is provided with a vent, and the vent faces the fireproof member; wherein the fireproof member includes a fireproof member body and a first extension connected to an upper end of the fireproof member; and/or a second extension connected to a lower end of the fireproof member. When thermal runaway occurs to the battery cells, flames and high temperature particles ejected out of the vent are blocked by the fireproof member body and the first extension and/or the second extension, thus preventing the ejected flames and high temperature particles from burning neighboring battery cells, and preventing the battery cells that has undergone thermal runaway from inducing thermal runaway of the neighboring battery cells opposite to the vents.

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BATTERY PACK AND BATTERY SYSTEM

Nº publicación: US2020212688A1 02/07/2020

Solicitante:

MAKITA CORP [JP]

DE_102019134931_A1

Resumen de: US2020212688A1

A battery pack in one aspect of the present disclosure includes a first battery block, a second battery block, and a terminal portion. The terminal portion is configured to output a parallel voltage of the battery block and the second battery block connected in parallel in response to a state where a first electric working machine is connected to the terminal portion. The terminal portion is configured to output a first voltage of the first battery block and a second voltage of the second battery block individually in response to a state where a second electric working machine is connected to the terminal portion.

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