BATTERY POWER STORAGE

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



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METHOD FOR THE THERMAL MONITORING OF BATTERY MODULES

Publication No.: FR3129329A1 26/05/2023

Applicant:

PSA AUTOMOBILES SA [FR]

Absstract of: WO2023089256A1

One aspect of the invention relates to a method (100) for the thermal monitoring of the modules of a vehicle traction battery, comprising the steps, executed by vehicle control means, of: determining (101) a temperature of each of said modules, and if the temperature of at least one of said modules is above a maximum temperature threshold over a predetermined first period of time, said method (100) comprises the steps of: displaying (102) an indicator light on an instrument panel of said vehicle, and limiting or preventing (103) the charging and discharging of said traction battery.

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Enveloppe pour module de batterie ou pack-batterie, à membrane étanche destinée à permettre une circulation d’un fluide caloporteur en son sein pour le refroidissement optimal des accumulateurs du module ou du pack, en laissant dégagées les bornes de sortie.

Publication No.: FR3129530A1 26/05/2023

Applicant:

COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES [FR]

Absstract of: FR3129530A1

Enveloppe pour module de batterie ou pack-batterie, à membrane étanche destinée à permettre une circulation d’un fluide caloporteur en son sein pour le refroidissement optimal des accumulateurs du module ou du pack, en laissant dégagées les bornes de sortie. L’invention concerne une enveloppe (10), pour module (M) de batterie comprenant une pluralité d’accumulateurs (A1, A2, …) à emballage rigide sous la forme d’un boitier, l’enveloppe comprenant une membrane étanche (11) délimitant un volume (V) de liquide caloporteur au plus près de chaque accumulateur du module, la membrane étant percée d’une ouverture (12) d’amenée du liquide caloporteur, d’une ouverture (13) d’évacuation du liquide caloporteur, et d’une pluralité d’ouvertures (14) de maintien et d’étanchéité dont la périphérie de chacune est délimitée par une lèvre d’étanchéité souple (15) adaptée pour positionner et maintenir un des accumulateurs et garantir l’étanchéité autour de son boitier, chaque lèvre d’étanchéité étant destinée à être agencée pour laisser dégagée au moins une borne de sortie d’un des accumulateurs, en dehors du volume de liquide caloporteur. Figure pour l’abrégé : Fig.8

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Procédé de réalisation d’une batterie tout-solide à partir d’un accumulateur électrochimique métal-ion à électrolyte liquide, à des fins d’essais abusifs thermiques.

Publication No.: FR3129528A1 26/05/2023

Applicant:

COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES [FR]

Absstract of: FR3129528A1

Procédé de réalisation d’une batterie tout-solide à partir d’un accumulateur électrochimique métal-ion à électrolyte liquide, à des fins d’essais abusifs thermiques. L’invention concerne un procédé de réalisation d’une batterie tout-solide directement à partir d’un accumulateur métal-ion à électrolyte liquide complètement réalisé et qui présente un état de charge électrique prédéterminé, de préférence égal à 100%. Figure pour l’abrégé : Fig.10

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DEVICE FOR COOLING AN ELECTRICAL AND/OR ELECTRONIC COMPONENT LIABLE TO RELEASE HEAT DURING OPERATION

Publication No.: FR3129529A1 26/05/2023

Applicant:

VALEO SYSTEMES THERMIQUES [FR]

Absstract of: WO2023089029A1

The invention relates to a device (1) for thermal management of an electrical and/or electronic component (2) liable to release heat during its operation, comprising at least one face, the device comprising a housing (3), the housing comprising a main compartment (4) defining at least one receptacle (5) able to receive the electrical and/or electronic component (2), the receptacle (5) being designed to receive a dielectric fluid and being delimited by a first (6) and second longitudinal wall, a first side wall (7), a second side wall (8) and a bottom wall (9), characterized in that at least one of the walls (6, 7, 8, 9) has at least one semi-open channel (10) defining a dielectric fluid circulation path.

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INSPECTION EQUIPMENT FOR INSPECTING SECONDARY BATTERY CELL

Publication No.: US2023160967A1 25/05/2023

Applicant:

YHT CO LTD [KR]

CN_115336081_PA

Absstract of: US2023160967A1

An inspection system for inspecting a secondary battery cell is generally described. An example inspection system includes a thickness measurement unit, an electrical characteristics measurement unit, a print processing unit, a tab cutting unit, a mass measurement unit, a tab inspection unit and a defect selection unit. The thickness measurement unit, the electrical characteristics measurement unit, the print processing unit, the tab cutting unit, the mass measurement unit, the tab inspection unit and the defect selection unit are arranged in series, and a plurality of secondary battery cells are transferred in line throughout the inspection system.

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ELECTRONIC DEVICE FOR ESTIMATING BATTERY STATE AND OPERATING METHOD THEREOF

Publication No.: US2023160965A1 25/05/2023

Applicant:

SAMSUNG ELECTRONICS CO LTD [KR]

Absstract of: US2023160965A1

Disclosed are an electronic device, including a memory configured to store parameters of an electrochemical model corresponding to a battery, a sensor configured to measure a voltage of the battery, and a processor configured to determine a first cumulative state of charge (SOC) correction amount at a partially discharged point in time at which a SOC of the battery is corrected by a corrector for reducing a voltage difference between an estimated voltage of the electrochemical model and the measured voltage of the battery, estimate a second cumulative SOC correction amount at a fully discharged point in time based on the first cumulative SOC correction amount and a SOC correction amount prediction curve, and update an aging parameter of the electrochemical model based on the second cumulative SOC correction amount.

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SIMULATION OF BATTERY CELL CONDITIONS

Publication No.: US2023160962A1 25/05/2023

Applicant:

GM GLOBAL TECH OPERATIONS LLC [US]

CN_116148688_PA

Absstract of: US2023160962A1

A device for simulating a battery condition includes a plurality of electrically conductive plates, the plurality of electrically conductive plates including a set of opposing plates having a first plate and a second plate. The device also includes an electrically conductive material extending between the first plate and the second plate, the electrically conductive material in electrical contact with the first plate and the second plate and defining at least part of an electrical path from the first plate to the second plate, the electrically conductive material having a resistance selected to simulate the battery condition in response to activating the device.

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DEVICE FOR INSPECTING FOR ELECTRODE ASSEMBLY DEFECTS BEFORE ELECTROLYTE INJECTION AND DEFECT INSPECTION METHOD THEREFOR

Publication No.: US2023160975A1 25/05/2023

Applicant:

LG ENERGY SOLUTION LTD [KR]

CN_115516693_PA

Absstract of: US2023160975A1

An apparatus for inspecting a failure of an electrode assembly before injecting an electrolyte includes a short-circuit tester configured to detect a short circuit of the electrode assembly by applying a predetermined voltage to a positive electrode and a negative electrode of the electrode assembly; a multimeter electrically connected to the short-circuit tester and configured to measure a voltage and a current of the electrode assembly over time; and a failure determination part connected to the multimeter and configured to monitor changes in voltage and current measured by the multimeter and determine a type of a failure of the electrode assembly from data on the changes in voltage and current over a predetermined period of time. A method of inspecting a failure of an electrode assembly using the same is also provided.

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BATTERY TRAY AND METHOD FOR MANUFACTURING BATTERY USING SAME

Publication No.: WO2023090933A1 25/05/2023

Applicant:

LG ENERGY SOLUTION LTD [KR]

Absstract of: WO2023090933A1

In a battery tray of the present invention, a plurality of insertion holes into which charging/discharging terminals are inserted and a plurality of heat discharge holes for the flow of air are formed on a bottom part of a housing in which a battery is accommodated. Therefore, the heat generated from the battery flows smoothly through the heat discharge holes, and thus the temperature deviation is reduced even if the position in which the battery is accommodated varies between the center or the outskirts of the tray.

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POUCH-TYPE BATTERY CELL INCLUDING SENSING MEMBER, AND BATTERY MODULE INCLUDING SAME

Publication No.: WO2023090927A1 25/05/2023

Applicant:

LG ENERGY SOLUTION LTD [KR]

Absstract of: WO2023090927A1

According to the present invention, provided is a pouch-type battery cell in which an electrode assembly is accommodated inside a pouch-type battery case, wherein the electrode assembly includes a plurality of positive electrodes and a plurality of negative electrodes, positive electrode tabs and negative electrode tabs extend, in opposite directions, from the respective ends of both sides of the electrode assembly in the longitudinal direction, a positive electrode lead coupled to the positive electrode tabs and a negative electrode lead coupled to the negative electrode tabs are disposed between sealing portions of the pouch-type battery case and extend to the outside, and the pouch-type battery case may have therein a sensing member for voltage detection.

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BATTERY CELL CHARGING AND DISCHARGING DEVICE COMPRISING LOWER COOLING FANS

Publication No.: WO2023090926A1 25/05/2023

Applicant:

LG ENERGY SOLUTION LTD [KR]

Absstract of: WO2023090926A1

The present invention relates to a battery cell charging and discharging device comprising lower cooling fans to prevent overheating of a battery cell in the process of charging and discharging the battery cell. The battery cell charging and discharging device comprises: a tray on which a plurality of battery cells are mounted; a plurality of lower cooling fans disposed on the tray; a power jig including terminals for supplying power to the battery cells and the lower cooling fans; and upper cooling fans disposed on the upper part of the tray, whereby the battery cell charging and discharging device can minimize the occurrence of temperature deviation between the battery cells.

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POUCH-TYPE LITHIUM SECONDARY BATTERY

Publication No.: WO2023090887A1 25/05/2023

Applicant:

LG ENERGY SOLUTION LTD [KR]

Absstract of: WO2023090887A1

The present invention relates to a lithium secondary battery and, more specifically, to a pouch-type lithium secondary battery having a positive electrode lead tab and a negative electrode lead tab formed on one end of a positive electrode and a negative electrode, respectively. In the pouch-type lithium secondary battery, the length of a separator located between the positive electrode and the negative electrode is controlled such that the separator protrudes longer than the end of the positive electrode and the length of the protruding part of the separator extends at the most to a sealing part located along the edge of the pouch, thereby preventing shorting between the positive electrode and the negative electrode to enhance safety and life characteristics.

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BATTERY MODULE AND BATTERY PACK COMPRISING SAME

Publication No.: WO2023090710A1 25/05/2023

Applicant:

LG ENERGY SOLUTION LTD [KR]

Absstract of: WO2023090710A1

A battery module of the present invention comprises: battery cells stacked in one direction; a heat conduction member for transferring, to the outside, heat generated from the battery cells; and an insulation member encompassing the heat conduction member, wherein at least one of the battery cells forms a battery cell group, at least one battery cell group is stacked so as to form a battery cell stack, and a heat dissipation member comprising the heat conduction member and the insulation member can cover either a first surface or a second surface of the battery cell group, which are opposite to each other in the stacking direction of the battery cell stack, and either a third surface or a fourth surface, which are opposite to each other in the direction perpendicular to the stacking direction of the battery cell stack, and cover either a first surface or a second surface of another battery cell group adjacent to the any one battery cell group, which are opposite to each other in the stacking direction of the battery cell stack, and either a third surface or a fourth surface, which are opposite to each other in the direction perpendicular to the stacking direction of the battery cell stack.

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MOVABLE BATTERY PACK PROCESSING DEVICE AND PROCESSING METHOD

Publication No.: WO2023090830A1 25/05/2023

Applicant:

POSCO CO LTD [KR]
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECH [KR]

Absstract of: WO2023090830A1

The present invention relates to a movable battery pack processing device comprising: a first container to which a discharging module or a cooling module is mounted; and a second container to which a battery pack processed by the discharging module or the cooling module of the first container is transferred and to which a disassembling module for disassembling the battery pack is mounted. According to the present invention, a waste battery disassembling process is modularized, so that cost required for a waste battery processing can be reduced and stability also can be significantly improved.

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NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Publication No.: WO2023090805A1 25/05/2023

Applicant:

LG ENERGY SOLUTION LTD [KR]

Absstract of: WO2023090805A1

The present invention relates to a negative electrode for a lithium secondary battery and to a lithium secondary battery comprising same. More specifically, a lithium foil included in the negative electrode contains LiNO3, wherein LiNO3 is uniformly contained in the inside and surface of the lithium foil, so that the lifespan of the lithium secondary battery can be improved.

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BATTERY SYSTEM

Publication No.: WO2023090692A1 25/05/2023

Applicant:

LG ENERGY SOLUTION LTD [KR]

Absstract of: WO2023090692A1

A battery system comprises: a battery pack including a plurality of battery cells; a BMIC for monitoring a plurality of cell voltages for the respective plurality of battery cells; a plurality of balancing batteries charged by a target battery cell which requires cell balancing from among the plurality of battery cells; a power conversion unit including a DC-DC converter which receives voltage from the plurality of balancing batteries and converts same into an output voltage; and a power supply unit for supplying the output voltage to the BMIC when the output voltage is equal to or higher than a predetermined level for driving the BMIC.

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ELECTRODE ASSEMBLY INCLUDING COATING LAYER FORMED ON OTHER SURFACE OF SINGLE-SIDED POSITIVE ELECTRODE AND SECONDARY BATTERY COMPRISING SAME

Publication No.: WO2023090684A1 25/05/2023

Applicant:

LG ENERGY SOLUTION LTD [KR]

Absstract of: WO2023090684A1

The present invention relates to an electrode assembly for a lithium secondary battery and a secondary battery comprising same, wherein at least one electrode disposed at the outermost region of the electrode assembly is a single-sided positive electrode, in which an active material coating layer is formed only one surface of a current collector facing an inside electrode with a separator therebetween, and wherein a coating layer containing 60 wt% or more of a particle-type superengineering plastic polymer is formed on the other surface of the current collector of the single-sided positive electrode.

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ELECTRODE, METHOD FOR MANUFACTURING ELECTRODE, AND LITHIUM METAL BATTERY COMPRISING ELECTRODE

Publication No.: WO2023090802A1 25/05/2023

Applicant:

IUCF HYU INDUSTRY UNIV COOPERATION FOUNDATION HANYANG UNIV [KR]

Absstract of: WO2023090802A1

An electrode, a method for manufacturing the electrode, and a lithium metal battery comprising the electrode are provided. The electrode comprises a lithium matrix and a plurality of lithium ion conductive one-dimensional structures dispersed in various directions in the lithium matrix.

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POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Publication No.: WO2023090682A1 25/05/2023

Applicant:

LG ENERGY SOLUTION LTD [KR]

Absstract of: WO2023090682A1

The present invention relates to a positive electrode for a lithium secondary battery and to a lithium secondary battery comprising same. More specifically, by adding a predetermined amount of a metal oxide-based additive to the positive electrode, it is possible to improve discharge capacity and lifespan characteristics of the lithium secondary battery.

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NOVEL ADDITIVE FOR NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Publication No.: WO2023090665A1 25/05/2023

Applicant:

LG ENERGY SOLUTION LTD [KR]

Absstract of: WO2023090665A1

The present invention relates to a novel additive for a non-aqueous electrolyte solution and a lithium secondary battery comprising same, wherein the additive for a non-aqueous electrolyte solution comprises an ionic compound represented by chemical formula 1 such that a film is formed on the surface of an electrode when the secondary battery is activated, such that generation of a large amount of gas under high temperature conditions can be prevented, and since metal ions are eluted from the electrode and a drop in OCV and a decrease of a capacity retention rate of a cell can thus be prevented, the durability, performance, and high-temperature safety of the battery can be improved effectively.

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NOVEL ADDITIVE FOR NONAQUEOUS ELECTROLYTE, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Publication No.: WO2023090664A1 25/05/2023

Applicant:

LG ENERGY SOLUTION LTD [KR]

US_2023155176_PA

Absstract of: WO2023090664A1

The present invention relates to a novel additive for a nonaqueous electrolyte, and a lithium secondary battery comprising same, and the additive for a nonaqueous electrolyte contains an ionic compound represented by chemical formula 1 so as to form a film on the surface of electrodes during activation of a secondary battery, thereby preventing a large amount of gas from being generated in a high-temperature condition, and preventing a reduction in OCV of a cell and a decrease in voltage holding ratio, which are caused by metal ions being eluted from electrodes, and thus can effectively improve the durability, performance and high-temperature safety of a battery.

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BATTERY MANAGEMENT APPARATUS AND COMMUNICATION METHOD THEREFOR IN BATTERY RACK SYSTEM

Publication No.: WO2023090608A1 25/05/2023

Applicant:

LG ENERGY SOLUTION LTD [KR]

Absstract of: WO2023090608A1

Provided are a battery management apparatus and a communication method therefor in a battery rack system according to an embodiment of the present invention, wherein the battery management apparatus is woken up on the basis of power when the power is supplied from the battery management apparatus of the battery rack through a first electromagnetic induction coil, to receive information on an identifier of a first battery pack from the battery management apparatus, to assign the identifier to the first battery pack on the basis of the information about the identifier, and to supply power to a second battery pack located near the first battery pack through a second electromagnetic induction coil, thereby providing the battery management apparatus and the communication method therefor without a communication cable.

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BATTERY INCLUDING ION BARRIER LAYER AND ELECTRONIC DEVICE COMPRISING SAME

Publication No.: WO2023090603A1 25/05/2023

Applicant:

SAMSUNG ELECTRONICS CO LTD [KR]

Absstract of: WO2023090603A1

A battery comprises: an anode including an anode base layer and an anode mixture layer coated with an anode active material on the anode base layer; a cathode facing the anode and including a cathode base layer, a cathode mixture layer coated with a cathode active material on the cathode base layer, and a barrier layer configured to suppress the transfer of ions from the cathode mixture layer; and a separator disposed between the anode and the cathode, wherein the cathode mixture layer coated with a cathode active material may include a first region in the central region of the cathode mixture layer coated with a cathode active material and a second region in the edge of the cathode mixture layer coated with a cathode active material, and the barrier layer may cover at least a portion of the second region and may be configured to limit direct transfer of the ions from the first region to the anode.

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DEFECT DIAGNOSIS METHOD FOR BATTERY, AND BATTERY DIAGNOSIS APPARATUS AND BATTERY SYSTEM PROVIDING SAME

Publication No.: WO2023090617A1 25/05/2023

Applicant:

LG ENERGY SOLUTION LTD [KR]

Absstract of: WO2023090617A1

The present invention relates to a method for diagnosing a defect of a battery, and a battery diagnosis apparatus and a battery system providing same. The battery system of the present invention comprises: the battery including multiple battery cells; a current sensor that measures, every predetermined period, a battery current that is the current flowing in the battery; and a battery management system (BMS) that, during a charging cycle, in a constant voltage mode in which the battery is charged while a battery voltage that is the voltage of both ends of the battery is constant, calculates the current variance between two battery currents measured at two adjacent periods among multiple periods, and diagnoses a defect of the battery on the basis of the current variance.

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ELECTRODE ASSEMBLY, BATTERY, AND BATTERY PACK AND VEHICLE INCLUDING SAME

Nº publicación: WO2023090574A1 25/05/2023

Applicant:

LG ENERGY SOLUTION LTD [KR]

Absstract of: WO2023090574A1

The present invention provides an electrode assembly, a battery, a battery pack, and a vehicle. In an electrode assembly, a first non-coated part provided at the end of a long side of a first electrode includes a segment piece section divided into multiple segment pieces which can be independently bent by multiple cutting grooves provided along a winding direction thereof. The segment piece section includes multiple segment piece groups arranged while having a spaced pitch between the groups along the winding direction. The multiple segment piece groups constitute one or more segment piece alignment parts at a side of the electrode assembly. At least a part of the central points of winding-turn arcs, at which p segment piece groups included in the segment piece alignment part are positioned, is not positioned on a predetermined alignment line extending from the center of a core in the radial direction thereof.

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