Resumen de: FR3127334A1

Busbar pour module de batterie ou pack-batterie à empilement d’accumulateurs à emballage souple, destinée à connecter électriquement au moins un accumulateur du module ou pack, Procédé de réalisation d’un module ou pack-batterie associé. L’invention concerne un busbar pour module de batterie ou pack-batterie. L’invention consiste essentiellement à définir en tant que composant de liaison électrique entre accumulateurs à languettes formant les pôles ou bornes, un busbar (8) dans le corps duquel chaque languette est insérée puis prise en étau par un pion de serrage (10) formant une mâchoire mobile qui peut être déplacée aisément en coulissement dans le corps de sorte à réaliser une connexion électrique en série ou en parallèle en fonction du besoin. Figure pour l’abrégé : Fig. 5

Resumen de: WO2023041852A1

A battery system for storing electrical energy comprising: - an electrochemical battery cell (4); - a gas-release safety venting system capable of releasing a gas generated by thermal runaway of the electrochemical battery cell (4); - a means (131, 132, 222, 20, 22) for cooling the electrochemical battery cell (4) having a face (111) in thermal contact with the electrochemical battery cell (4) and comprising an internal chamber (22) suitable for having a heat transfer fluid flow therethrough, the cooling means (131, 132, 222, 20, 22) comprising a second internal chamber (222) fluidly connected to the gas-release safety venting system, the face (111) being separated from the second chamber (222) by the first chamber (22).

Resumen de: FR3127331A1

Un élément électrochimique comprenant :- une cathode contenant une matière active fonctionnant à un potentiel d’au moins 4,7 V par rapport au couple Li+/Li et au moins un composé choisi parmi le difluorophosphate de lithium (LiPO2F2), le sulfate d’éthylène (ESA), l’oxalate de lithium (Li2C2O4) ;- une anode ;- un électrolyte. Fig.3

Resumen de: FR3127332A1

Procédé de commande (1, 1’, 1’’) d’un organe de réchauffage d’une batterie d’accumulateurs électriques d’un véhicule automobile, ledit organe de réchauffage permettant à ladite batterie d’atteindre une température cible suffisante pour que l’intégralité de l’énergie disponible de la batterie soit exploitable par le véhicule automobile, ledit organe de réchauffage étant alimenté par ladite batterie, ledit procédé comprenant les étapes suivantes : Déterminer (2) un paramètre d’évolution de la consommation énergétique dudit véhicule automobile ;Acquérir (3) une valeur représentative de l’état de charge de ladite batterie ;Déterminer (4) une température seuil fonction de la valeur représentative de l’état de charge de ladite batterie acquise et du profil de roulage déterminé ;Mesurer (5) la température de ladite batterie ;Commander (6) l’activation de l’organe de réchauffage de ladite batterie lorsque la température mesurée est inférieure ou égale à la température seuil déterminée. Figure de l’abrégé : Figure 1

Resumen de: WO2023043233A1

The present invention relates to a separator comprising: a separator substrate having a porous structure; and a coating layer formed on at least one surface of the separator substrate, wherein the coating layer comprises a surface-modified inorganic material having a core-shell structure in which a polymer is bonded to the surface of inorganic particles.

Resumen de: WO2023043230A1

The present invention relates to a secondary battery manufacturing apparatus and a secondary battery manufacturing method using same and, more specifically, to a secondary battery manufacturing apparatus and a secondary battery manufacturing method using same, which can improve a non-contact region between an electrode and a separator inside an electrode unit and a non-contact region between an electrode unit and a separator sheet inside an electrode assembly. The present invention provides a secondary battery manufacturing apparatus including a pressing unit that presses a stack in which electrodes and separators are alternately disposed, wherein the pressing unit includes: a main pressing part for pressing the entire surface of the stack; and a sub pressing part provided with a drum part for pressing a partial surface of the stack in which edge portions of electrode active material layers provided in the electrodes are positioned. The drum part includes: a body portion having a rotation axis; and an elastic portion provided on the outer circumferential surface of the body portion and pressing the partial surface of the stack.

Resumen de: US2023087740A1

A positive electrode active material precursor for a secondary battery, which is a secondary particle in which primary particles are aggregated, includes a core portion including nickel (Ni), cobalt (Co), and manganese (Mn), and a shell portion surrounding a surface of the core portion and including nickel (Ni), cobalt (Co), manganese (Mn), and aluminum (Al), wherein the core portion and the shell portion has rod-shaped primary particles, and an average major axis length of the primary particles of the shell portion is smaller than an average major axis length of the primary particles of the core portion. A method of preparing the positive electrode active material precursor, and a positive electrode active material prepared by using the positive electrode active material precursor are also provided.

Resumen de: US2023087760A1

An silicon-containing electrode is formed by coating a silicon-containing slurry onto a conductive current collector. The slurry comprises a binder solution comprising a poly(carboxylic acid) binder dissolved in a mixed solvent system comprising an amide solvent of Formula I, as described herein, and a second solvent which can be water and/or an organic solvent. The binder preferably comprises poly(acrylic acid). The mixed solvent system comprises about 10 to about 99 vol % of the amide solvent of Formula I. The binder solution is utilized as a solvent for a slurry of silicon-containing particles for preparing the silicon-containing electrode. The slurries comprising the mixed solvent system have higher viscosity and are more stable than slurries containing the same concentrations of silicon particles, carbon particles, and binder in water as the sole solvent.

Resumen de: US2023087721A1

A partial structure of a battery pack includes: a battery group which is formed by stacking a plurality of layers, each of the layers being formed by arranging cylindrical batteries in parallel in a plane, the cylindrical batteries belonging to adjacent layers being arranged by shifting alignment pitches by a half pitch from each other between the adjacent layers; heat transfer plates, wherein each of the heat transfer plates is in contact with side surfaces of the cylindrical batteries arranged on both surfaces of each of the heat transfer plates, is formed by a heat transfer corrugated plate member, and extends through a gap between the cylindrical batteries along an alignment direction of the cylindrical batteries in the layers in the plane intersecting center axis lines of the cylindrical batteries, a first intersection direction intersecting the alignment direction or a second intersection direction intersecting the alignment direction and the first intersection direction; and a radiator which is arranged on a side of the battery group and is connected with a edge of each of the heat transfer plates, wherein each of the cylindrical batteries is contact with at least two of the heat transfer plates.

Resumen de: US2023087546A1

An energy storage system is provided for an electric vehicle. The energy storage system comprises a first energy storage source. The first energy storage source includes an ammonia tank configured to hold ammonia, an ammonia converter configured to receive ammonia from the ammonia tank and convert the received ammonia into hydrogen, and a fuel cell system communicating with the ammonia converter and configured to generate output power from hydrogen that is received from the ammonia converter.

Resumen de: US2023087851A1

The disclosed technology relates to a looped tab for a battery cell. The looped tab may extend from a set of layers. The looped tab may comprise a first portion adjacent to the set of layers and a second portion adjacent to an inner sidewall of the enclosure. The first portion may comprise a covered portion, the covered portion comprising a metal surface and an oxide coating covering the metal surface, the oxide coating configured to prevent contact between a layer in the set of layers or the enclosure and the metal surface of the covered portion.

Resumen de: WO2023043190A1

The present invention relates to a non-aqueous electrolyte for a lithium secondary battery, and a lithium secondary battery comprising same, the electrolyte comprising a compound represented by chemical formula 1, a lithium salt, and an organic solvent.

Resumen de: WO2023043180A1

An electrode assembly manufacturing device according to an embodiment of the present invention comprises: a first electrode supply unit for providing a first electrode sheet on which multiple first electrodes are formed; a second electrode supply unit for providing a second electrode sheet on which multiple second electrodes are formed; a separator supply unit which is folded if the first electrodes or the second electrodes are seated thereon, thereby covering the electrodes, and which provides a separator sheet laminated with the electrodes; a table having an upper surface, on which the first electrodes and the second electrodes are seated, so as to have the separator sheet folded between the first electrodes and the second electrodes, in order to form the electrode assembly; a separator guide for guiding the folding direction of the separator sheet; and a pair of upper applicators for applying an adhesive to at least a part of the separator sheet positioned between the table and the separator guide. The table makes rotating reciprocating movements between the first electrode supply unit and the second electrode supply unit, and the separator guide and the pair of upper applicators make straight reciprocating movements leftwards/rightwards with reference to the table.

Resumen de: WO2023043177A1

An electrode assembly manufacturing apparatus according to an embodiment of the present invention comprises: an electrode supply unit provided with an electrode sheet on which a plurality of electrodes are formed; a separator supply unit which is provided with a separator sheet that is folded when the electrodes are seated, thereby covering and being laminated with the electrodes; a table on which the electrodes are seated to have the separator sheet folded between the electrodes in order to form the electrode assembly; a separator guide for guiding the folding direction of the separator sheet; and a pair of upper applicators for applying adhesive to at least a portion of the upper part of the electrodes seated on the table, wherein the separator guide and the pair of upper applicators linearly reciprocate left and right with respect to the table, and the table is fixed.

Resumen de: WO2023043176A1

An apparatus for manufacturing an electrode assembly according to one embodiment of the present invention comprises: an electrode supply unit having an electrode sheet on which a plurality of electrodes are formed; a separator supply unit provided with a separator sheet which folds when the electrodes are seated thereon, and which covers the electrodes and is stacked with the electrodes; a table in which the electrodes are seated on the upper surface so as to have the separator sheet folded between the electrodes in order to form the electrode assembly; a separator guide for guiding the folding direction of the separator sheet; a pair of applicators for applying an adhesive to at least a portion of the separator sheet and/or the electrodes seated on the table; and a pair of pressure rollers for pressing the separator sheet guided by the separator guide.

Resumen de: WO2023043138A1

The present invention provides a lithium secondary battery. Specifically, the lithium secondary battery comprises: a cathode including a cathode active material; an anode including an anode active material; a separator interposed between the cathode and the anode; and a nonaqueous electrolyte for a lithium secondary battery, wherein the nonaqueous electrolyte for a lithium secondary battery comprises a lithium salt, a nonaqueous organic solvent, and a compound represented by chemical formula 1. Accordingly, the overall performance of the battery can be improved.

Resumen de: US2023086348A1

A system and method are disclosed that can improve the capacity, energy and cycle life of an electrochemical cell by using a structure comprising a piezoelectric material. In one form, the electrochemical cell comprises: an anode having a solid-electrolyte interphase layer formed thereon; a cathode; an electrolyte, wherein at least a portion of the electrolyte is located between the anode and cathode; and a structure comprising a piezoelectric material, the structure contacting at least a portion of the solid-electrolyte interphase layer of the anode. In another form, the electrochemical cell comprises: an anode having a solid-electrolyte interphase layer formed thereon; a cathode; an electrolyte, wherein at least a portion of the electrolyte is located between the anode and cathode; and a structure comprising units distributed in a matrix, the units comprising a piezoelectric material, the structure contacting at least a portion of the solid-electrolyte interphase layer of the anode.

Resumen de: US2023085882A1

A system includes a first multiplexer and a second multiplexer. The first multiplexer has a first multiplexer input, a second multiplexer input, and a first multiplexer output. The second multiplexer has a third multiplexer input, a fourth multiplexer input, and a second multiplexer output. A first analog-to-digital converter (ADC) has a first ADC input and a second ADC input. The first ADC input is coupled to the first multiplexer output. A second ADC has a third ADC input and a fourth ADC input. The third ADC input is coupled to the second multiplexer output. A first measurement channel pin is coupled to the first multiplexer input and to the third ADC input. A busbar pin is coupled to the second multiplexer input and the third multiplexer input.

Resumen de: US2023092047A1

An energy storage system includes a plurality of bidirectional power converters and a plurality of windings. The plurality of windings shares a magnetic core. A controller transfers energy of a target battery to the magnetic core using a target bidirectional power converter and a target winding at a same time. A voltage of the target battery is greater than those of some or all batteries other than the target battery. As the battery is charged and discharged, the voltage of the battery changes, and the controller only needs to find a new target battery to continue discharging until voltages of all the batteries are equalized, for example, voltage differences between all the batteries are all within a preset voltage range.

Resumen de: US2023091921A1

An intermediary solid electrolyte structure having a Li ion conducting solid electrolyte layer covered with a thin as-deposited lithium phosphorus nitride film.

Resumen de: US2023086550A1

The present disclosure includes an inverter connected to a power supply unit via a positive electrode side electrical path and a negative electrode side electrical path and including switching elements, a rotary electric machine including windings connected to each other at a neutral point and inputting and outputting power from and to the power supply unit via the inverter, a connection path electrically connecting an intermediate point between the storage batteries of the power supply unit to the neutral point of the windings, and a device including a first terminal and a second terminal enabling energization between the power supply unit and the device. The first terminal is connected to the connection path, and the second terminal is connected to at least one of the positive electrode side electrical path and the negative electrode side electrical path.

Resumen de: WO2023043166A1

A secondary battery according to an embodiment of the present invention comprises: an electrode assembly formed in a jelly-roll shape in which a first electrode, a second electrode, and a separator are wound; a battery can which has an open upper portion and accommodates the electrode assembly; a cap assembly coupled to the open upper portion of the battery can; a spacer positioned between the electrode assembly and the bottom portion of the battery can; and a spring part positioned between the spacer and the bottom portion of the battery can. The first electrode includes a first electrode collector and a first electrode extension that extends from the first electrode collector in the downward direction of the electrode assembly, thus being exposed. The second electrode includes a second electrode collector and a second electrode extension that extends from the second electrode collector in the upward direction of the electrode assembly, thus being exposed. The first electrode extension contacts the spacer, and the second electrode extension contacts the cap assembly. The spring part includes a protrusion that protrudes toward the spacer and contacts the spacer.

Resumen de: WO2023043128A1

A battery pack of the present disclosure comprises: a housing; six battery modules which are received in the housing; and a connection module which is formed on one end of the housing, is configured so as to be connected to a receptacle of an external device, and is provided with six output units. The battery modules each comprise an output terminal and are configured so as to independently provide a first output voltage through the respective output terminals. The output units are connected one-to-one with the respective output terminals of the battery module and are configured so as to independently relay the first output voltage to the receptacle. The six output units are configured so as to be connectable in series or in parallel according to the configuration of the receptacle of the external device, and, according to the configuration of the receptacle, are configured so as to provide, to the external device, only any one voltage among a voltage that is one, two, three and six times the first output voltage.

Resumen de: WO2023043165A1

A secondary battery of the present invention comprises: a jelly-roll type electrode assembly in which a first electrode, a second electrode and a separator are wound; a battery can storing the electrode assembly and having the top part open; a cap assembly coupled to the open top part of the battery can; a spacer located between the electrode assembly and the bottom part of the battery can; and a spring part located between the spacer and the bottom part of the battery can.

Resumen de: WO2023043081A1

The present invention relates to an anode and a secondary battery comprising same, wherein the anode includes an anode active material layer; the anode active material layer includes an anode active material and a conductive material; the anode active material includes silicon particles and the conductive material includes single-wall carbon nanotubes and graphite-based particles; the graphite-based particles include first artificial graphite and second artificial graphite; the first artificial graphite is plate-shaped artificial graphite, and the second artificial graphite may be artificial graphite including a secondary particle structure in which a plurality of primary particles are bonded to each other through amorphous carbon.