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Almacenamiento en baterías

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NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

NºPublicación:  US2024291033A1 29/08/2024
Solicitante: 
PANASONIC INTELLECTUAL PROPERTY MAN CO LTD [JP]
Panasonic Intellectual Property Management Co., Ltd
CN_117581406_PA

Resumen de: US2024291033A1

A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode includes a positive electrode active material, and the positive electrode active material includes a lithium-transition metal composite oxide containing Ni, Mn, and Al. The proportions of Ni, Mn, and Al in metal elements other than Li contained in the lithium-transition metal composite oxide are, respectively, Ni: 50 atm % or more, Mn: 10 atm % or less, and Al: 10 atm % or less. When the lithium-transition metal composite oxide contains Co, the proportion of Co in the metal elements other than Li is 1.5 atm % or less. The nonaqueous electrolyte contains an oxalate compound, and the oxalate compound contains a lithium cation and an oxalate complex anion.

POWDER MIXTURE FOR HEAT DISSIPATION AND COMPONENTS HAVING THE POWDER MIXTURE

NºPublicación:  US2024291062A1 29/08/2024
Solicitante: 
VAZIRANI ENERGY PRIVATE LTD [IN]
VAZIRANI ENERGY PRIVATE LIMITED
JP_2024522565_PA

Resumen de: US2024291062A1

A powder mixture (16) for heat dissipation and a process for forming the powder mixture (16) are disclosed. The powder mixture (16) includes C15H24, a carbonate, an oxide, an oxalate, and two or more materials selected from the group consisting of a chloride and one or more transition metal source. A component having the powder mixture (16) and a process for forming the component are also disclosed. The process for forming the component includes arranging a plurality of cells (12) of the component in an arrangement and filling a powder mixture (16) in interstitial gaps between the cells. The disclosed powder mixture (16) is tested to be very efficient, providing passive cooling, and allowing compact construction of the components. Simple processing of the powder mixture (16) enables an easy implementation of the battery modules in various systems.

SOLID ELECTROLYTE MATERIAL AND BATTERY USING SAME

NºPublicación:  US2024291027A1 29/08/2024
Solicitante: 
PANASONIC INTELLECTUAL PROPERTY MAN CO LTD [JP]
Panasonic Intellectual Property Management Co., Ltd
CN_117413325_PA

Resumen de: US2024291027A1

The solid electrolyte material of the present disclosure comprises Li, M, Y, Gd, and I. M is at least one selected from the group consisting of Mg, Sr, Ba, and Zn. The battery of the present disclosure comprises a positive electrode, a negative electrode, and an electrolyte layer provided between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer comprises the solid electrolyte material of the present disclosure.

Verfahren zur Herstellung eisenhaltiger Schichtoxide

NºPublicación:  DE102023104776A1 29/08/2024
Solicitante: 
WESTFAELISCHE WILHELMS UNIV MUENSTER KOERPERSCHAFT DES OEFFENTLICHEN RECHTS [DE]
Westf\u00E4lische Wilhelms-Universit\u00E4t M\u00FCnster, K\u00F6rperschaft des \u00F6ffentlichen Rechts

Resumen de: DE102023104776A1

Die Erfindung betrifft ein Verfahren eisenhaltiger Schichtoxide der Formel LiM1-x-yFexMeyO2wobei 0,01 ≤ x ≤ 0,99 und 0 ≤ y ≤ 0,99, M ein Übergangsmetall ist ausgewählt aus der Gruppe umfassend Ni, Mn, Ti und Co und Me ein Metall ist ausgewählt aus der Gruppe umfassend Mn, Ni, Ti, Cu, Co, Sn und Zn, umfassend die folgenden Schritte: a) Mischen eines Eisensalzes und eines Salzes des Übergangsmetalls und optional eines weiteren Metallsalzes in einem Lösungsmittel; b) Co-Präzipitieren eines eisenhaltigen Präkursors als Hydroxid, Abtrennen und Trocknen des eisenhaltigen Präkursors M1-x-yFexMey(OH)2; c) Kalzinieren des eisenhaltigen Präkursors M1-x-yFexMey(OH)2aus Schritt b) mit LiOH oder einem Lithiumsalz, wobei man den Reaktionsbehälter für die Kalzinierung auf eine Temperatur bei oder oberhalb des Schmelzpunktes von LiOH oder Lithiumsalzes temperiert und LiOH oder das Lithiumsalz und den eisenhaltigen Präkursor M1-x-yFexMey(OH)2in den temperierten Reaktionsbehälter einbringt oder man LiOH, oder wobei man das Lithiumsalz im Reaktionsbehälter vorlegt und den eisenhaltigen Präkursor M1-x-yFexMey(OH)2bei einer Temperatur bei oder oberhalb des Schmelzpunktes von LiOH oder des Lithiumsalzes in den Reaktionsbehälter einbringt.

Verfahren zur Batterieerwärmung und Fluidvorrichtung

NºPublicación:  DE102023104925A1 29/08/2024
Solicitante: 
SCHAEFFLER TECHNOLOGIES AG [DE]
Schaeffler Technologies AG & Co. KG

Resumen de: DE102023104925A1

Die Erfindung betrifft ein Verfahren zur Batterieerwärmung (10) einer Fahrzeugbatterie (12) eines Fahrzeugs (14) durch einen Batterieaufwärmvorgang (16) mit folgenden Schritten: Bereitstellen (18) einer ein Fluid aufnehmenden Fluidvorrichtung (20) mit wenigstens einem Fluidventil (22) und einer einen Fluidkreislauf (24) antreibenden Fluidpumpe (26), Einstellen (28) einer ersten Ventilstellung (30) des Fluidventils (22), Betreiben (32) der Fluidpumpe (26) in einem ersten Betriebszustand (34), bei dem das Fluid mit einer Druckdifferenz über das Fluidventil (22) durch das Fluidventil (22) strömt und dadurch erwärmt wird und Übertragen (36) der Fluidwärme an die Fahrzeugbatterie (12) zur Erhöhung einer Batterietemperatur (40). Weiterhin betrifft die Erfindung eine Fluidvorrichtung (20).

Temperaturmanagement einer Batterieanordnung, die eine konfigurierbare Wärmekopplung verwendet

NºPublicación:  DE102023108209A1 29/08/2024
Solicitante: 
GM GLOBAL TECH OPERATIONS LLC [US]
GM GLOBAL TECHNOLOGY OPERATIONS LLC

Resumen de: DE102023108209A1

Ein System für das Temperaturmanagement einer Batterieanordnung enthält eine Schutzabdeckung, die in thermischer Kommunikation mit der Batterieanordnung ist und bei einem Ort angeordnet ist, der in der Nähe einer Außenoberfläche der Batterieanordnung liegt, wobei die Schutzabdeckung mindestens eine bewegliche Komponente enthält. Das System enthält außerdem eine Aktorvorrichtung, die konfiguriert ist, die mindestens eine bewegliche Komponente der Schutzabdeckung zu bewegen, um einen isolierenden Luftspalt zwischen einem Abschnitt der Schutzabdeckung und dem Batteriesystem zu schaffen, wobei der isolierende Luftspalt eine Zunahme eines Wärmewiderstands der Schutzabdeckung verursacht.

Mehrzweck-Zelltrennelement für eine Batterieanordnung eines Kraftfahrzeugs, Batterieanordnung und Kraftfahrzeug

NºPublicación:  DE102023104603A1 29/08/2024
Solicitante: 
AUDI AG [DE]
AUDI Aktiengesellschaft
CN_118554118_A

Resumen de: DE102023104603A1

Die Erfindung betrifft eine Batterieanordnung (10) mit einem Batteriemodul (12), das einen Zellstapel (15) mit mehreren in einer Stapelrichtung (S) nebeneinander angeordneten Batteriezellen (14) umfasst und ein oder mehrere Zelltrennelemente (18), wobei zwischen je zwei zueinander benachbart angeordneten Batteriezellen (14) eines der Zelltrennelemente (18) angeordnet ist. Dabei ragt mindestens eines der Zelltrennelemente (18) an einer Seite (15a) des Zellstapels (15) aus einem Zwischenraum (20) zwischen den beiden Batteriezellen (14), in welchem das Zelltrennelement (18) angeordnet ist, heraus, wobei das herausragende Zelltrennelement (18) an eine aktive von einem Kühlmedium (26) durchströmbare Kühleinrichtung (22), die von der Batterieanordnung (10) umfasst ist, angebunden ist.

THERMAL REGULATION DEVICE FOR AT LEAST ONE ELECTRICAL AND/OR ELECTRONIC ELEMENT

NºPublicación:  US2024291070A1 29/08/2024
Solicitante: 
VALEO SYSTEMES THERMIQUES [FR]
Valeo Systemes Thermiques
CN_117716193_PA

Resumen de: US2024291070A1

The present invention relates to a thermal regulation device for an electrical or electronic component. The thermal regulation device includes at least one housing. The housing includes a plurality of walls that delimit a receptacle. The receptacle is designed to receive the electrical or electronic component. The device also includes a dielectric fluid circuit configured to permit the circulation of a dielectric fluid. At least one of the walls of the housing includes at least one orifice for spraying dielectric fluid in the receptacle. The spraying orifice is fluidically connected to the dielectric fluid circuit. The circuit includes a section formed within one of the walls of the housing. The section also receives a thermal element that is designed to exchange heat with the dielectric fluid circuit.

SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY FUNCTIONAL LAYER, SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY

NºPublicación:  US2024291101A1 29/08/2024
Solicitante: 
ZEON CORP [JP]
ZEON CORPORATION

Resumen de: US2024291101A1

Provided is a slurry composition for a non-aqueous secondary battery functional layer that is capable of forming a functional layer that can inhibit heat generation in the event of an internal short circuit of a non-aqueous secondary battery and can also reduce internal resistance of the non-aqueous secondary battery. The slurry composition contains functional particles, an insoluble polymer, a soluble polymer, and a solvent. The functional particles include foaming agent particles. The content of the insoluble polymer is not less than 1 part by mass and not more than 10 parts by mass per 100 parts by mass of the functional particles, and the content of the soluble polymer is not less than 1 part by mass and not more than 10 parts by mass per 100 parts by mass of the functional particles. The soluble polymer has a thermal decomposition temperature of 130° C. or higher.

BATTERY MODULE AND METHOD OF MANUFACTURING THE SAME

NºPublicación:  US2024291098A1 29/08/2024
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
JP_2024521875_PA

Resumen de: US2024291098A1

A battery module includes a battery cell stack in which a plurality of battery cells are stacked in one direction, a module frame that houses the battery cell stack, and an end plate that couples to the module frame and covers the front or rear surface of the battery cell stack. The module frame includes a first layer and a second layer, and the melting point of the first layer is higher than the melting point of the second layer.

Secondary Sealing Device for Pouch-Type Secondary Battery

NºPublicación:  US2024291084A1 29/08/2024
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD,
LG Energy Solution Ltd
JP_2024518994_PA

Resumen de: US2024291084A1

The present application relates to a secondary sealing device for a pouch-type secondary battery. The secondary sealing device for a pouch-type secondary battery pursuant to the present invention can align the position of the electrode assembly to perform correction for a gap between the electrode assembly and the secondary sealing line allowing for convenient and precise gap management and ensuring consistent product specifications in terms of electrical characteristics.

THERMAL REGULATION DEVICE FOR ELECTRONIC SYSTEM

NºPublicación:  US2024291072A1 29/08/2024
Solicitante: 
VALEO SYSTEMES THERMIQUES [FR]
Valeo Systemes Thermiques
CN_117546620_PA

Resumen de: US2024291072A1

A thermal control device for an electronic system is disclosed. The thermal control device includes a box configured to accommodate electrical and/or electronic components of the electronic system. The box includes a bottom wall and side walls opposite in pairs that altogether define an inner housing. The inner housing is able to receive the electrical and/or electronic components. The outer faces of the side walls are defined as those facing away from the inner housing. The box includes thermal control fluid supply and discharge elements. The supply element and discharge element are in fluid communication with the inner housing. The supply element and discharge elements respectively project from one of the outer faces of the side walls of the box. The supply and discharge elements are arranged on the side walls at different distances from the bottom wall.

Method for Preparing In-Situ Polymerized Semi-Solid State Battery

NºPublicación:  US2024291030A1 29/08/2024
Solicitante: 
REPT BATTERO ENERGY CO LTD [CN]
SHANGHAI RUIPU ENERGY CO LTD [CN]
REPT BATTERO Energy Co., Ltd,
Shanghai Ruipu Energy Co., Ltd
JP_2024078428_PA

Resumen de: US2024291030A1

A method for preparing an in-situ polymerized semi-solid state battery, comprising the following steps: assembling: assembling a cathode plate, a separator and an anode plate into a case to form a dummy cell; first injection: injecting a lithium battery liquid electrolyte; aging and formation; second injection: injecting a mixture of polymer monomers, a plasticizer and an initiator, wherein the polymer monomers are a combination of vinylene carbonate and tripropargyl phosphate; aging, and in-situ polymerization at 58-65° C. to form gel, thus obtaining a low impedance semi-solid state battery. The formulation of the second injection comprises a tridimensional monomer, and the liquid electrolyte can be locked in the three-dimensional structure after crosslinking. Compared with a chain polymer, fewer polymers can be used to achieve the gel effect, the formed gel structure is more stable and possesses better thermal stability, and at the same time, the liquid component is higher, and the impedance is lower, so that the semi-solid state battery with low impedance is obtained.

LITHIUM SECONDARY BATTERY

NºPublicación:  US2024291041A1 29/08/2024
Solicitante: 
NGK INSULATORS LTD [JP]
NGK INSULATORS, LTD
WO_2023063360_PA

Resumen de: US2024291041A1

A lithium secondary battery including a plurality of positive electrode layers, negative electrode layers, and separators, and in which the positive electrode layers and the negative electrode layers are alternately laminated through the separators. The laminate includes a first insulating layer contacting a first end portion of each of the positive electrode layers in a width direction thereof, and a second insulating layer contacting a second end portion of each of the negative electrode layers in a width direction thereof on a side opposite to the first end portion in the width direction. When an external width of the laminate is represented by W, and an average of widths of the first insulating layers and widths of the second insulating layers is represented by wave, a ratio “(wave/W)×100” falls within a range of from 0.8 (%) to 40 (%).

ELECTROLYTE HYDROGEL AND ITS USE IN AN ELECTROCHEMICAL CELL

NºPublicación:  US2024291031A1 29/08/2024
Solicitante: 
VARTA MICROBATTERY GMBH [DE]
FUND CIDETEC [ES]
VARTA Microbattery GmbH,
Fundaci\u00F3n CIDETEC
JP_2024525157_PA

Resumen de: US2024291031A1

An electrolyte hydrogel for an electrochemical cell includes a self standing polymer network with a crosslinked, non-ionic polymer and a cationic polymer and a salt in an aqueous solvent and/or dispersant.

ELECTRODE ASSEMBLY SHORT CIRCUIT IDENTIFICATION METHOD AND APPARATUS, BMS, BATTERY PACK, DEVICE AND MEDIUM

NºPublicación:  US2024291056A1 29/08/2024
Solicitante: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
EP_4369011_PA

Resumen de: US2024291056A1

An electrode assembly short circuit identification method includes: during charging, according to preset sampling time points, sequentially acquiring a voltage of an electrode assembly at each of the sampling time points; judging whether the electrode assembly has a continuous voltage drop according to the voltage acquired at each of the sampling time points; and determining whether the electrode assembly has a short circuit according to a judgment result.

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

NºPublicación:  US2024291043A1 29/08/2024
Solicitante: 
PRIME PLANET ENERGY & SOLUTIONS INC [JP]
Prime Planet Energy & Solutions, Inc

Resumen de: US2024291043A1

In a nonaqueous electrolyte secondary battery disclosed herein, a length of a negative electrode active material layer in a winding axis direction of a wound electrode body is 200 mm or more, an infiltration speed of a nonaqueous electrolytic solution in the negative electrode active material layer is 0.02 μL/s to 0.05 μL/s, a distance between an end portion of a positive electrode active material layer and an end portion of the negative electrode active material layer is more than 0 mm and 5 mm or less in the winding axis direction, and, in a fully charged state, a ratio of the nonaqueous electrolytic solution to a total void volume of the positive electrode active layer and the negative electrode active layer in the wound electrode body is 130% or less.

EINSTELLBARE HEIZUNG FÜR EINE BATTERIE MIT GEMISCHTER CHEMIE

NºPublicación:  DE102023107677A1 29/08/2024
Solicitante: 
GM GLOBAL TECH OPERATIONS LLC [US]
GM Global Technology Operations LLC

Resumen de: DE102023107677A1

Eine Batterie mit gemischter Chemie, die eine Sensorzelle umfasst, die eine erste Chemie aufweist, eine Batteriezelle, die eine zweite Chemie aufweist, die sich von der ersten Chemie unterscheidet. Die Batterie mit gemischter Chemie umfasst auch einen Sensor, der so konfiguriert ist, dass er die Temperatur der Batterie mit gemischter Chemie misst, und ein Heizsystem, das so konfiguriert ist, dass es die zweite Batteriezelle erwärmt. Die Batterie mit gemischter Chemie umfasst ferner ein Batterieüberwachungssystem, das so konfiguriert ist, dass es das Heizsystem wahlweise mit mindestens einer von der ersten Batteriezelle und der zweiten Batteriezelle basierend auf der Temperatur der Batterie mit gemischter Chemie verbindet.

THERMISCH BELASTBARER BATTERIEPACK

NºPublicación:  DE102023123007A1 29/08/2024
Solicitante: 
GM GLOBAL TECH OPERATIONS LLC [US]
GM Global Technology Operations LLC
CN_118554058_A

Resumen de: DE102023123007A1

Bereitgestellt wird ein Batteriepack mit einer Vielzahl von Batteriemodulen. Jedes der Vielzahl von Batteriemodulen umfasst einen wärmeleitenden Rahmen mit einer Vielzahl von Öffnungen und einer Vielzahl von Batteriezellen, wobei jede der Vielzahl von Batteriezellen in einer der Vielzahl von Öffnungen angeordnet ist. Jedes der Vielzahl von Batteriemodulen umfasst auch ein Heizelement, das auf einer Oberseite des wärmeleitenden Rahmens angeordnet ist, und eine Kühlplatte, die auf einer Unterseite des wärmeleitenden Rahmens angeordnet ist. Der wärmeleitende Rahmen umfasst eine Vielzahl von Kühlbändern, die zwischen mindestens zwei der Vielzahl von Öffnungen angeordnet ist, wobei sich jedes der Vielzahl von Kühlbändern von der Oberseite des wärmeleitenden Rahmens zur Unterseite des wärmeleitenden Rahmens erstreckt.

Elektrischer Energiespeicher

NºPublicación:  DE102023004634A1 29/08/2024
Solicitante: 
MERCEDES BENZ GROUP AG [DE]
Mercedes-Benz Group AG

Resumen de: DE102023004634A1

Die Erfindung betrifft einen elektrischen Energiespeicher (10), mit wenigstens einem Gehäuse (12) und mit in dem Gehäuse (12) angeordnete übliche Zellmodule (14), und mit in den Zellmodulen (14) angeordnete übliche Batteriezellen (16), welche jeweilig eine Zellhülle (18) aufweisen, in welche wenigstens ein Zellwickel und ein Elektrolyt beinhaltet sind, wobei weitere Temperierzellen (26), welche jeweilige mit einem Phasenwechselmaterial (PCM) befüllte Temperierzellhüllen (28) aufweisen, anordenbar sind.

Battery Module Housing for a Battery Module, Battery Module, and Electrical Energy Store

NºPublicación:  US2024291087A1 29/08/2024
Solicitante: 
MERCEDES BENZ GROUP AG [DE]
Mercedes-Benz Group AG
JP_2024519456_PA

Resumen de: US2024291087A1

A battery module housing for a battery module, where a battery cell undergoes a change in volume in accordance with a cell state, includes a module frame which forms at least one first receiving region for the battery cell and a second receiving region for a pressure-regulating device. The pressure-regulating device is in contact with the battery cell and is formed for adjusting a predetermined pressure value on the battery cell in accordance with the change in volume. The pressure-regulating device has at least one first tube-like and flexible pressure body and a separate second tube-like and flexible pressure body. A movable intermediate pressure plate which is at least partially in contact with the first pressure body and the second pressure body is formed between the first pressure body and the second pressure body.

Dividing Wall Assembly for a Battery Housing, Battery and Vehicle

NºPublicación:  US2024291094A1 29/08/2024
Solicitante: 
MERCEDES BENZ GROUP AG [DE]
Mercedes-Benz Group AG
JP_2024514901_PA

Resumen de: US2024291094A1

Please substitute the new Abstract submitted herewith for the original Abstract:A dividing wall assembly for a battery housing. The dividing wall assembly has a dividing wall that lies in a wall plane spanned by a longitudinal direction and a vertical direction orthogonal to the longitudinal direction, at least one conductor rail housing, and at least one conductor rail received in the conductor rail housing. The conductor rail housing is formed as one part with the dividing wall.

ENERGY STORAGE DEVICE AND TEMPERATURE REGULATING STRUCTURE THEREOF

NºPublicación:  US2024291074A1 29/08/2024
Solicitante: 
SUNGROW ENERGY STORAGE TECH CO LTD [CN]
Sungrow Energy Storage Technology Co., Ltd
AU_2022313863_PA

Resumen de: US2024291074A1

An energy storage device and a temperature regulating structure thereof are provided in the present application. The temperature regulating structure of the energy storage device includes a housing and a temperature regulating plate fixedly connected to the housing, wherein the housing and the temperature regulating plate form a first heat insulation cavity, and/or the housing is provided with a second heat insulation cavity. In the temperature regulating structure of the energy storage device, the first heat insulation cavity is formed by the housing and the temperature regulating plate and/or the housing is provided with the second heat insulation cavity.

PRESSURE ADJUSTMENT VALVE FOR POWER STORAGE MODULE

NºPublicación:  US2024291097A1 29/08/2024
Solicitante: 
NOK CORP [JP]
NOK CORPORATION
CN_117916937_PA

Resumen de: US2024291097A1

A pressure adjustment valve that can be attached to a power storage module has: a plurality of valve body portions that are opened in accordance with a pressure in the power storage module, and release the pressure in the power storage module, each valve body portion having a discharging portion for releasing the pressure, an inside of each valve body portion being isolated from another adjacent valve body portion.

SQUARE-TYPE SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME

Nº publicación: US2024291083A1 29/08/2024

Solicitante:

SANYO ELECTRIC CO LTD [JP]
SANYO Electric Co., Ltd

CN_115210941_PA

Resumen de: US2024291083A1

A rectangular secondary battery includes an electrode body, a rectangular battery case housing the electrode body, a sealing plate, a current collector extending on an end side of the sealing plate in a longitudinal direction thereof and joined, by ultrasonic welding, to an end of a positive electrode plate or a negative electrode plate, and an external terminal provided outside the sealing plate and connected to the current collector. The sealing plate has a gas discharge valve ruptured when the internal gas pressure of the battery case has reached a predetermined value or greater, and a thin portion formed between the external terminal and the gas discharge valve and formed thicker than the gas discharge valve.

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