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



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SECONDARY BATTERY SYSTEM, SECONDARY BATTERY, AND ASSEMBLED BATTERY SYSTEM

NºPublicación: US2020295584A1 17/09/2020

Solicitante:

TOSHIBA KK [JP]

JP_2020149774_A

Resumen de: US2020295584A1

According to an embodiment, a secondary battery system includes a secondary battery, a calculator, and a controller. The secondary battery includes a first electrode including a first and second active materials, and a second electrode including a third active material. The calculator calculates a current ratio of currents passing through the first and second active materials for each of different values of a charge amount of the first electrode, based on capacities and capacity-versus-potential properties of the first and second active materials. The controller, based on the capacities of the first and second active materials and the current ratio when the charge amount of the first electrode takes a first value, controls the current passing through the secondary battery when the charge amount indicates the first value.

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VALVE SYSTEM FOR AN ELECTROCHEMICAL POWER SUPPLY SOURCE, IN PARTICULAR FOR AN UNDERWATER VEHICLE, AND CORRESPONDING ELECTROCHEMICAL POWER SUPPLY SOURCE

NºPublicación: US2020295343A1 17/09/2020

Solicitante:

LEONARDO SPA [IT]

EP_3709395_A1

Resumen de: US2020295343A1

An electrochemical-type power supply source is provided with: an electrochemical stack generating electric power, in the presence, internally, of electrolytic fluid, provided with a number of distinct groups of galvanic cells and of a corresponding number of electrolyte inlet pipes for introducing electrolyte into respective groups of galvanic cells and with electrolyte outlet pipes for extracting electrolyte from respective groups of galvanic cells; a main tank, fluidically coupled to the electrochemical stack and containing electrolytic fluid; and a recirculation system, defining a circulation path of the electrolytic fluid between the main tank and the electrochemical stack. A valve system that can be coupled to the electrolyte inlet and/or outlet pipes and operatively controllable to modify hydraulic and electric characteristics of the circulation path, in response to a power delivery condition by the power supply source.

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COOLANT DISTRIBUTION INTERFACE FOR A BATTERY MODULE HOUSING

NºPublicación: US2020295417A1 17/09/2020

Solicitante:

SAMSUNG SDI CO LTD [KR]

KR_20190089744_A

Resumen de: US2020295417A1

A coolant distribution interface for a battery system includes a battery module housing comprising a coolant channel, and at least one mounting portion located at an entrance of the coolant channel, wherein the mounting portion comprises a first sealing section and a second sealing section; a matching housing comprising a matching coolant channel, and at least one matching mounting portion located at an entrance of the matching coolant channel, wherein the matching mounting portion comprises a first matching sealing section and a second matching sealing section; a joint coolant channel configured to connect the coolant channel of the mounting portion and the matching coolant channel of the matching mounting portion; a shared sealing element locating between the second sealing section and the second matching sealing section; a channel sealing element sealing the first sealing section and first matching sealing section against the joint coolant channel; a security chamber configured to form by the mounting portion, the matching mounting portion, the shared sealing element and channel sealing element; and a testing channel connecting the security chamber with an outside of the battery module housing and the matching housing, wherein the test channel is penetrated at least one of the battery module housing and the matching housing.

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METHOD OF MANUFACTURING ELECTROCHEMICAL DEVICE AND ELECTRODES FOR ELECTROCHEMICAL DEVICE

NºPublicación: US2020295345A1 17/09/2020

Solicitante:

NEC ENERGY DEVICES LTD [JP]

JP_WO2017154312_A1

Resumen de: US2020295345A1

A method of manufacturing electrodes for an electrochemical device in which each of electrodes comprises a current collector 9, 11 and active material layers 10, 12 using four die heads 15a-15d is described. The active material layers 10, 12 each contains a lower active material layer 10a, 12a and an upper active material layer 10b, 12b. While the current collector 9, 11 is being conveyed, a slurry is ejected from the die head 15a that is on the most upstream side in the direction of conveyance S and the die head 15b located on the second from the upstream side to form the lower active material layers 10a, 12a of two electrodes, and a slurry is ejected from the die head 15c located on the third from the upstream side and the die head 15d located on the fourth from the upstream side to form the upper active material layers 10b, 12b of two electrodes.

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SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME, AND POUCH FOR SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME

NºPublicación: US2020295315A1 17/09/2020

Solicitante:

LG CHEMICAL LTD [KR]

CN_110226254_A

Resumen de: US2020295315A1

To solve the above problems, a pouch for a battery according to an embodiment of the present invention includes: a cup part that accommodates an electrode assembly and is formed by laminating a surface protection layer, a gas barrier layer including a metal, and a sealant layer; and a degassing part in which a degassing aperture is punched when a degassing process is performed and in which no gas barrier layer is formed.

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ENCAPSULATED LITHIUM TITANATE FOR LITHIUM ION BATTERIES

NºPublicación: US2020295396A1 17/09/2020

Solicitante:

GM GLOBAL TECH OPERATIONS LLC [US]

CN_109417167_A

Resumen de: US2020295396A1

A lithium ion battery including an electrolyte and a lithium titanate negative electrode is provided. The lithium titanate negative electrode includes structures of a lithium titanate core and a conformal layer surrounding each lithium titanate core. The conformal layer either includes titanium oxide with substantially no lithium or has a concentration of lithium ranging from a lower concentration at a surface portion of the layer to a higher concentration at an interior portion of the layer adjacent to the lithium titanate core. A method of preparing the lithium titanate structures and a method of preparing an electrode for a lithium ion battery, wherein the electrode includes lithium titanate structures, are also provided.

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PROTECTION DEVICE AND METHOD FOR SUPERCAPACITOR OF POWER SUPPLY SYSTEM OF VEHICLE

NºPublicación: US2020295412A1 17/09/2020

Solicitante:

CHEN FU CHIEH [TW]

Resumen de: US2020295412A1

A protection device for a supercapacitor of a power supply system of vehicle, the power supply system including a rechargeable battery, the supercapacitor, and a power generator. The protection device contains a first voltage detector, a second voltage detector, a temperature detector, a processing unit, a control unit, a communication unit, and an alarm. The first voltage detector is coupled with the rechargeable battery to detect and send a voltage value of the rechargeable battery to the processing unit. The second voltage detector is coupled with the supercapacitor to detect and send a voltage value of the supercapacitor to the processing unit. The temperature detector is coupled with the supercapacitor to detect and send a temperature value of the supercapacitor to the processing unit. The control unit includes a first transistor and a second transistor which are connected in series, and the first transistor and the second transistor are Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET).

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BATTERY

NºPublicación: US2020295405A1 17/09/2020

Solicitante:

PANASONIC IP MAN CO LTD [JP]

US_2019006716_A1

Resumen de: US2020295405A1

A battery includes a first portion and a second portion, in which the first portion includes a first positive electrode layer, a first negative electrode layer, and a first solid electrolyte layer located between the first positive electrode layer and the first negative electrode layer, in which the second portion includes a second positive electrode layer, a second negative electrode layer, and a second solid electrolyte layer located between the second positive electrode layer and the second negative electrode layer, in which the first portion and the second portion are in contact with each other, the second portion is more sharply bent than the first portion, the first solid electrolyte layer contains a first binder, the second solid electrolyte layer contains a second binder, and the second solid electrolyte layer containing the second binder has higher flexibility than a flexibility of the first solid electrolyte layer containing the first binder.

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GEL POLYMER ELECTROLYTE COMPOSITION, GEL POLYMER ELECTROLYTE PREPARED THEREBY, AND LITHIUM SECONDARY BATTERY INCLUDING THE GEL POLYMER ELECTROLYTE

NºPublicación: US2020295402A1 17/09/2020

Solicitante:

LG CHEMICAL LTD [KR]

CN_111344890_A

Resumen de: US2020295402A1

The present invention relates to a gel polymer electrolyte composition and a lithium secondary battery including the same, and particularly, to a gel polymer electrolyte composition, in which flame retardancy is improved by including an ionic liquid, instead of a non-aqueous organic solvent, as well as a lithium salt, a polymerization initiator, and an oligomer having a specific structure, and a lithium secondary battery in which high-temperature stability is improved by including the same.

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SECONDARY BATTERY, BATTERY MODULE AND VEHICLE

NºPublicación: US2020295317A1 17/09/2020

Solicitante:

CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]

WO_2020133661_PA

Resumen de: US2020295317A1

The present disclosure provides a secondary battery, a battery module and a vehicle. The secondary battery includes an electrode assembly, a case and a cap assembly. The case has an accommodating cavity, and the electrode assembly is accommodated in the accommodating cavity. The electrode assembly includes electrode units, and the electrode units are stacked in an axial direction of the accommodating cavity. The cap assembly includes a cap plate and an insulating member provided at an inner side of the cap plate, the cap plate is connected with the case, and the insulating member is positioned at a side of the electrode assembly in the axial direction. The insulating member is provided with a first surface at a side close to the electrode assembly, and the first surface is a flat surface.

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Temperiersystem

NºPublicación: DE102019203428A1 17/09/2020

Solicitante:

MAHLE INT GMBH [DE]

Resumen de: DE102019203428A1

Die Erfindung betrifft ein Temperiersystem (1) zur Temperierung eines Energiespeichers (2) sowie einen Energiespeicher (2) mit einem solchen Temperiersystem (1).Die vorliegende Erfindung beruht auf dem allgemeinen Gedanken, dass das Temperierfluid einen Strukturoberflächenabschnitt (9) überströmt, der zueinander beabstandete Strukturerhebungen (10) und wenigstens eine Turbulenzerhebung (13) zur Erzeugung von Strömungsturbulenzen aufweist.

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ENERGY STORAGE DEVICE FOR A MOTOR VEHICLE, MOTOR VEHICLE, AND PRODUCTION METHOD

NºPublicación: DE102019106424A1 17/09/2020

Solicitante:

BAYERISCHE MOTOREN WERKE AG [DE]

Resumen de: WO2020182612A1

The technology disclosed here relates to an energy storage device (100) for a motor vehicle. The energy storage device (100) comprises: a plurality of round cells (120) for electrochemically storing energy; and a storage housing (110) in which the plurality of round cells (120) are provided. In the installed position, the round cells (120) run substantially parallel to the vehicle transverse axis (Y). The round cells (120) are arranged within the storage housing (110) in multiple layers (L1, L2, L3, L4) in the direction of the vehicle vertical axis (Z), wherein the number of layers (L1, L2, L3, L4) varies in the direction of the vehicle longitudinal axis (X). The technology disclosed here further relates to a motor vehicle and to a method for producing the energy storage device (100).

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Verbindungsvorrichtung für ein Batteriemodul

NºPublicación: DE102020106863A1 17/09/2020

Solicitante:

VOLKSWAGEN AG [DE]

Resumen de: DE102020106863A1

Die Erfindung betrifft eine Verbindungsvorrichtung (100) für ein Batteriemodul (1), aufweisend: eine Befestigungseinheit (10) zur mechanischen Befestigung des Batteriemoduls (1) und eine Kontaktierungseinheit (20) zur elektrischen Verschaltung des Batteriemoduls (1) innerhalb des Batteriesystems (S). Hierzu ist erfindungsgemäß eine Kraftumlenkvorrichtung (30) vorgesehen, um eine mechanische Wirkverbindung zwischen der Befestigungseinheit (10) und der Kontaktierungseinheit (20) herzustellen, insbesondere um eine Befestigungskraft (F) von der Befestigungseinheit (10) an die Kontaktierungseinheit (20) bereitzustellen und den elektrischen Widerstand an der Kontaktierungseinheit (20) zu reduzieren.

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Vorrichtung und Verfahren zur Temperierung eines in einem Fahrzeug angeordneten elektrochemischen Speichers sowie Fahrzeug

NºPublicación: DE102019203303A1 17/09/2020

Solicitante:

VOLKSWAGEN AG [DE]

Resumen de: DE102019203303A1

Vorgeschlagen wird u.a. eine Vorrichtung (6) zur Temperierung eines in einem Fahrzeug (1) angeordneten elektrochemischen Speichers (3), mit zumindest einem in einen ersten Temperierungsmittel-Kreislauf in Form eines Kühlmittel-Kreislaufs (8) des Fahrzeugs (1) integrierten und dem elektrochemischen Speicher (3) zugeordneten ersten Wärmetauscher (7), wobei der Kühlmittel-Kreislauf (8) mit einem bei Bedarf aktivierbaren zweiten Temperierungsmittel-Kreislauf in Form eines Kältemittel-Kreislaufs (11) des Fahrzeugs (1) thermisch verbunden oder verbindbar ist. Vorteilhaft ist vorgesehen, dass dem elektrochemischen Speicher (3) zusätzlich zumindest ein zweiter Wärmetauscher (17) zugeordnet ist, welcher in den besagten Kältemittel-Kreislauf (11) integriert ist.

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Akkumulator sowie elektrisches Gerät mit einem elektrischen Verbraucher und einem Akkumulator

NºPublicación: DE102019106402A1 17/09/2020

Solicitante:

VORWERK CO INTERHOLDING [DE]

Resumen de: DE102019106402A1

Die Erfindung betrifft einen Akkumulator (1) mit einer Mehrzahl von in Reihe geschalteten Akkumulatorzellen (2-9) und einer Schutzelektronik (10) zum Schutz der Akkumulatorzellen (2-9) vor einem ungewünschten Entladevorgang, wobei die Schutzelektronik (10) mindestens einen, in einem die Akkumulatorzellen (2-9) aufweisenden Strompfad (11) angeordneten Strommesswiderstand (12, 13) aufweist. Um Kriechströme vorteilhaft detektieren zu können, wird vorgeschlagen, dass die Schutzelektronik (10) nur zwei Strommesswiderstände (12, 13) aufweist, wobei ein erster Strommesswiderstand (12) entlang des Strompfads (11) vor einer ersten Akkumulatorzelle (2) aller in Reihe geschalteten Akkumulatorzellen (2-9) angeordnet ist und wobei ein zweiter Strommesswiderstand (13) vor einer letzten Akkumulatorzelle (9) aller in Reihe geschalteten Akkumulatorzellen (2-9) angeordnet ist.

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LITHIUM-ION BATTERY

NºPublicación: US2020295406A1 17/09/2020

Solicitante:

MEDTRONIC INC [US]

Resumen de: US2020295406A1

Some examples include a lithium-ion battery including an electrode assembly, a battery case, and an insulator. The electrode assembly includes a plurality of stacked electrodes. The battery case includes a cover and a housing. The housing includes a bottom, a perimeter side, and an open top. The cover is configured to extend across the open top. The cover and the housing form an interior enclosure to house the electrode assemble with the cover and the housing sealingly coupled at the lip. The insulator includes a body and a profiled portion. The body being generally planar and the profiled portion extending from the body at an angle. The body is disposed between the electrode assembly and the cover of the battery case. The profiled portion extends between the electrode assembly and the lip of the housing. The insulator is to provide a barrier between the electrode assembly and the sealed lip.

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Method for Regenerating Lithium Secondary Battery

NºPublicación: US2020295410A1 17/09/2020

Solicitante:

LG CHEMICAL LTD [KR]

JP_2020520535_A

Resumen de: US2020295410A1

A method for regenerating a lithium secondary battery including a lithium resupply step in which a lithium resupply electrode is provided in the secondary battery, and the positive electrode is set as a counter electrode, and the lithium resupply electrode is set as a working electrode to charge lithium ions to the positive electrode through the lithium resupply electrode and a negative electrode discharging step in which, after the lithium ions are resupplied to the positive electrode through the lithium resupply step, the lithium resupply electrode is set as the counter electrode, and the negative electrode is set as the working electrode to completely discharge the negative electrode up to a discharge limit.

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GRAFTED POLYESTERS AS ELECTROLYTES FOR LITHIUM ION BATTERIES

NºPublicación: US2020295401A1 17/09/2020

Solicitante:

BOSCH GMBH ROBERT [DE]

EP_3709401_A1

Resumen de: US2020295401A1

New polymers with that have polyesters grafted onto polynorbornene backbones have been synthesized. When these grafted polymers are combined with electrolyte salts, such polymer electrolytes have shown excellent electrochemical oxidation stability in lithium battery cells. Their stability along with their excellent ionic transport properties make these grafted polyesters especially suitable as electrolytes in high energy density lithium battery cells.

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POSITIVE ELECTRODE ACTIVE MATERIAL, POWER STORAGE DEVICE, ELECTRONIC DEVICE, AND METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL

NºPublicación: US2020295382A1 17/09/2020

Solicitante:

SEMICONDUCTOR ENERGY LAB [JP]

JP_2018014321_A

Resumen de: US2020295382A1

A positive electrode active material includes a plurality of groups of particles. The plurality of groups of particles has a particle diameter of more than or equal to 300 nm and less than or equal to 3 μm. Each of the groups includes two or more particles. The two or more particles are each a lithium-containing complex phosphate including one or more of iron, nickel, manganese, and cobalt. The group of particles includes a first particle and a second particle each having a major diameter and a minor diameter in the upper surface when seen from a predetermined direction. The major diameters of the first and second particles are substantially parallel to each other. The major diameter of the first particle is two to six times larger than the minor diameter of the first particle and the minor diameter of the first particle is more than or equal to 20 nm and less than or equal to 130 nm.

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SEALED BATTERY AND MANUFACTURING METHOD THEREOF

NºPublicación: US2020295340A1 17/09/2020

Solicitante:

TOYOTA MOTOR CO LTD [JP]

JP_2020149801_A

Resumen de: US2020295340A1

A sealed battery disclosed here comprises an electrode body comprising a positive electrode collector and a negative electrode collector, collector tabs for external connection bonded to the corresponding collector, and a case. Both of bonded portions of the positive and the negative electrode collectors and the positive and negative electrode collector tabs are in the case. At least one of the positive and the negative electrode collectors and the collector tab bonded to the corresponding electrode are made of metals different from each other. An intermetallic compound present at a bonded interface between the collector and the connector tab and is made of the metals different from each other has a maximum diameter of smaller than 1 μm under a transmission electron microscope observation.

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POLYMERS AND THE USE THEREOF AS LUBRICATING AGENTS IN THE PRODUCTION OF ALKALI METAL FILMS

NºPublicación: US2020291323A1 17/09/2020

Solicitante:

HYDRO QUEBEC [CA]

WO_2015149173_PA

Resumen de: US2020291323A1

Polymers used as rolling lubricating agents, to compositions including said polymers, and to alkali metal films including the polymers or compositions on the surface(s) thereof. The use of said polymers and compositions is also described for strip-rolling alkali metals or alloys thereof in order to obtain thin films. Methods for producing said thin films, which are suitable for use in electrochemical cells, are also described. An improved lubricant according to formula I, which, for example, achieves enhanced conductivity, and/or enables the production of electrochemical cells having an improved life span in cycles.

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STABLE ELECTROLYTE BASED ON A FLUORINATED IONIC LIQUID AND ITS USE IN HIGH CURRENT RATE LITHIUM-AIR BATTERIES

NºPublicación: WO2020182292A1 17/09/2020

Solicitante:

TOYOTA MOTOR EUROPE [BE]

Resumen de: WO2020182292A1

The present invention relates to an electrolyte composition, for use in particular in a lithium-air battery, comprising: (A) a fluorinated cation of structure R1R2R3N+-(linker1)-O-(linker2)-(FC), wherein R1, R2 and R3 are C1-C6 linear or branched alkyl groups, linkers linker1 and linker2 contain alkylene or oxyalkylene chains and FC is a fluorinated alkyl group; (B) an anion; (C) a solvent containing at least one -O-CH2-CH2-O- or -O-CH2-CHMe-O- group, an ϵ-caprolactone oligomer, or a dialkyl sulfoxide; and (D) a lithium salt.

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CONNECTOR BARREL FOR A BATTERY MODULE

NºPublicación: WO2020185237A1 17/09/2020

Solicitante:

CPS TECH HOLDINGS LLC [US]

Resumen de: WO2020185237A1

The present disclosure is directed to a battery module (20) having an outer housing (30) configured to receive a plurality of electrochemical cells (32), in which the outer housing (30) has a wall (64) including an inner surface (106) facing a cavity formed by the outer housing (30), an outer surface (75) opposite to the inner surface (106), and an opening (62) extending through the wall (64). The battery module (20) also includes a connector barrel (60) configured to be disposed in the opening (62) of the wall (64), in which the connector barrel (60) has a first open end (70), a second open end (72), and a body (68) forming a hollow interior (154) between the first open end (70) and the second open end (72), in which the connector barrel (60) has a flange (100) disposed on the body (68) and extending outwardly from the body (68), and in which the flange (100) has a plurality of ridges (102) configured to abut the wall (64).

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LITHIUM BATTERY, LITHIUM BATTERY MULTI-STACK AND METHOD FOR PRODUCING THE SAME

NºPublicación: WO2020182241A1 17/09/2020

Solicitante:

FORSCHUNGSZENTRUM JUELICH GMBH [DE]

Resumen de: WO2020182241A1

The invention relates to a method for producing an all-solid-state lithium battery, comprising a positive electrode, a negative electrode and a solid electrolyte layer arranged in between, wherein first a solid electrolyte is applied to a metallic transfer substrate, the side of the solid electrolyte layer opposite from the metallic transfer substrate is brought into contact and pressed together with a positive electrode, and the metallic transfer substrate is then removed from the solid electrolyte layer before a negative electrode is arranged on the free side of the solid electrolyte layer, directly or via an adhesion promoter layer. The invention also relates to an all-solid-state lithium battery or an all-solid-state lithium battery multi-stack, comprising a positive electrode, a negative electrode, a sulfur-based solid electrolyte arranged in between and at least one current collector, wherein an adhesion promoter layer is arranged between the negative electrode and the solid electrolyte, and/or at least one current collector, preferably all of the current collectors, comprise(s) a sulfur-tolerant material adjacent to the negative electrode.

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PROCESS FOR PRODUCING A SHAPED ORGANIC CHARGE STORAGE UNIT

Nº publicación: WO2020182327A1 17/09/2020

Solicitante:

EVONIK OPERATIONS GMBH [DE]

Resumen de: WO2020182327A1

The present invention relates to a process for producing a shaped organic charge storage unit, especially a secondary battery, the electrodes of which comprise an organic redox-active polymer, and which includes a polymeric solid electrolyte. The present invention additionally also relates to the shaped charge storage unit itself. Compared to conventional folded charge storage units, the charge storage unit of the present invention, by comparison with the shaped batteries from the prior art, show greater resistance to deformation, which is manifested in a lower drop in capacity and a reduced tendency to fracture in the shaping process.

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