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.

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

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.