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1893
resultados
Última actualización
27/06/2025 [06:48:00]
Resultados 125 a 150 de 1893
Resumen de: EP4576333A1
A method and apparatus for inhibiting vehicle vibration during a self-heating process of a battery, and an automobile. The method comprises: controlling a power battery pack (E) to output a driving current to a first motor (M1) so as to drive the first motor to rotate, and when the first motor rotates, dragging a second motor (M2) to rotate; controlling the power battery pack to output a self-heating current to the second motor so as to perform self-heating of a power battery; acquiring a real-time rotation speed of the first motor; and controlling a fundamental wave frequency of the self-heating current according to the real-time rotation speed, so that the fundamental wave frequency and the real-time rotation speed form staggered peaks.
Resumen de: CN119744463A
The present invention provides an electrode having a ceramic coating comprising a ceramic powder and a binder, the electrode having a surface roughness Ra of 0.4 mu m to 1.6 mu m, preferably 0.6 mu m to 1.4 mu m, further preferably 0.8 mu m to 1.2 mu m. The invention further provides a lithium ion battery which comprises a positive electrode, a negative electrode, electrolyte and a shell, the positive electrode comprises a positive electrode current collector and a positive electrode active material coated on the positive electrode current collector, and the negative electrode comprises a negative electrode current collector and a negative electrode active material coated on the negative electrode current collector; wherein the positive electrode and the negative electrode are opposite to each other, at least one of the positive electrode and the negative electrode is the electrode with the ceramic coating, and the ceramic coating is located on at least one surface, opposite to each other, of the positive electrode and the negative electrode. The ceramic coating can replace a battery diaphragm in the general sense, and can improve the cycle life and thermal stability of the lithium ion battery.
Resumen de: CN119744463A
The present invention provides an electrode having a ceramic coating comprising a ceramic powder and a binder, the electrode having a surface roughness Ra of 0.4 mu m to 1.6 mu m, preferably 0.6 mu m to 1.4 mu m, further preferably 0.8 mu m to 1.2 mu m. The invention further provides a lithium ion battery which comprises a positive electrode, a negative electrode, electrolyte and a shell, the positive electrode comprises a positive electrode current collector and a positive electrode active material coated on the positive electrode current collector, and the negative electrode comprises a negative electrode current collector and a negative electrode active material coated on the negative electrode current collector; wherein the positive electrode and the negative electrode are opposite to each other, at least one of the positive electrode and the negative electrode is the electrode with the ceramic coating, and the ceramic coating is located on at least one surface, opposite to each other, of the positive electrode and the negative electrode. The ceramic coating can replace a battery diaphragm in the general sense, and can improve the cycle life and thermal stability of the lithium ion battery.
Resumen de: EP4574338A1
The present disclosure relates to a method for disassembling a first and a second battery module (2, 3) in an energy storage arrangement, the first and second battery modules each comprising at least one battery pack, wherein the battery pack of the first battery module comprises a first rod (90) extending through a through hole at a transverse side of the battery pack, the method comprising;- providing a separation tool (10) to the laterally outer side of the first battery module, the separation tool comprising a threaded through hole wherein a threaded pusher device is guided;- aligning the threaded pusher device (16) with a second end portion of the first rod and connecting the separation tool to the laterally outer side of the first battery modules;- rotating the threaded pusher device such that the pushing force from the pushing-member moves the first rod inwardly, thereby causing the first battery module to move away from the second battery module.
Resumen de: EP4576312A1
In accordance with a first aspect of the present disclosure, a battery module is provided, comprising: one or more battery cells; a battery module controller operatively coupled to the battery cells, wherein said battery module controller is configured to determine a state of the battery cells; a secure element operatively coupled to the battery module controller, wherein the secure element is configured to store data indicative of the state of the battery cells as determined by the battery module controller; an interface unit operatively coupled to the secure element, wherein said interface unit is configured to receive a request for evaluating said data from an external user device. In accordance with a second aspect of the present disclosure, a corresponding method of operating a battery module is conceived.
Resumen de: EP4576326A1
This invention relates to a battery cell holder for thermal management, in particular for immersion thermal management, of a plurality of battery cells, comprising a first shell, a second shell, wherein the first shell and the second shell are attachable to each other forming a sealed inner space for arranging a plurality of battery cells within said inner space and wherein a thermal management fluid can be applied to the inner space for thermal management, preferably cooling the battery cells, whereina) at least one holding element separated from the first and second shell being adapted to fix a position of at least two of said plurality of battery cells and/or whereinb) the first shell and/or the second shell are provided with fixing elements adapted to provide a fixing function for said plurality of battery cells, wherein the first shell and/or the second shell comprise at least one thermal management channel for thermal management of at least a part of the battery cells fixed by the first shell and/or the second shell.
Resumen de: EP4574512A1
A charging system (100) of a vehicle, the charging system comprising: an energy storage (102); a charging connector (104) configured to be connected to an external charger (106) for charging the energy storage; a vehicle energy storage and/or charging circuitry (126) cooling system (108) having a fluid cooling circuit; a heat exchanger (110) thermally coupled to the fluid cooling circuit; and a coolant connector (112) configured to connect the heat exchanger to an external waste heat recovery system (114).
Resumen de: EP4576367A1
The present disclosure relates to an electrical storage system (ESS) (1) comprising a plurality of battery packs (2a,2b,2c) arranged side-by-side, each of the battery packs (2a,2b,2c) being spaced from an adjacent battery pack (2a,2b,2c) such that the side surfaces (3a,3b,3c) of the adjacent battery packs (2a,2b,2c) form inter-battery pack gas channels (4) and wherein each of the battery pack (2a,2b,2c) is provided with a side gas vent opening (5a,5b,5c) to one of the inter-battery pack gas channels (4).
Resumen de: EP4576375A1
Disclosed are a battery pack configured to guide venting gas to be discharged in a desired direction when a thermal event occurs, and an energy storage system including the same.A battery pack according to one aspect of the present disclosure includes a cell assembly, a pack frame accommodating the cell assembly therein, and a venting guidance portion coupled to the pack frame and configured to cause an outlet, through which venting gas emitted from the cell assembly is discharged to the outside of the pack frame, to be formed at a coupling portion with the pack frame, which is at least partially weakened as the internal pressure of the pack frame increases due to the venting gas.
Resumen de: CN119744463A
The present invention provides an electrode having a ceramic coating comprising a ceramic powder and a binder, the electrode having a surface roughness Ra of 0.4 mu m to 1.6 mu m, preferably 0.6 mu m to 1.4 mu m, further preferably 0.8 mu m to 1.2 mu m. The invention further provides a lithium ion battery which comprises a positive electrode, a negative electrode, electrolyte and a shell, the positive electrode comprises a positive electrode current collector and a positive electrode active material coated on the positive electrode current collector, and the negative electrode comprises a negative electrode current collector and a negative electrode active material coated on the negative electrode current collector; wherein the positive electrode and the negative electrode are opposite to each other, at least one of the positive electrode and the negative electrode is the electrode with the ceramic coating, and the ceramic coating is located on at least one surface, opposite to each other, of the positive electrode and the negative electrode. The ceramic coating can replace a battery diaphragm in the general sense, and can improve the cycle life and thermal stability of the lithium ion battery.
Resumen de: CN119744463A
The present invention provides an electrode having a ceramic coating comprising a ceramic powder and a binder, the electrode having a surface roughness Ra of 0.4 mu m to 1.6 mu m, preferably 0.6 mu m to 1.4 mu m, further preferably 0.8 mu m to 1.2 mu m. The invention further provides a lithium ion battery which comprises a positive electrode, a negative electrode, electrolyte and a shell, the positive electrode comprises a positive electrode current collector and a positive electrode active material coated on the positive electrode current collector, and the negative electrode comprises a negative electrode current collector and a negative electrode active material coated on the negative electrode current collector; wherein the positive electrode and the negative electrode are opposite to each other, at least one of the positive electrode and the negative electrode is the electrode with the ceramic coating, and the ceramic coating is located on at least one surface, opposite to each other, of the positive electrode and the negative electrode. The ceramic coating can replace a battery diaphragm in the general sense, and can improve the cycle life and thermal stability of the lithium ion battery.
Resumen de: CN119744463A
The present invention provides an electrode having a ceramic coating comprising a ceramic powder and a binder, the electrode having a surface roughness Ra of 0.4 mu m to 1.6 mu m, preferably 0.6 mu m to 1.4 mu m, further preferably 0.8 mu m to 1.2 mu m. The invention further provides a lithium ion battery which comprises a positive electrode, a negative electrode, electrolyte and a shell, the positive electrode comprises a positive electrode current collector and a positive electrode active material coated on the positive electrode current collector, and the negative electrode comprises a negative electrode current collector and a negative electrode active material coated on the negative electrode current collector; wherein the positive electrode and the negative electrode are opposite to each other, at least one of the positive electrode and the negative electrode is the electrode with the ceramic coating, and the ceramic coating is located on at least one surface, opposite to each other, of the positive electrode and the negative electrode. The ceramic coating can replace a battery diaphragm in the general sense, and can improve the cycle life and thermal stability of the lithium ion battery.
Resumen de: EP4576360A1
A battery system with at least one energy storage unit, a support element, and a structure element is described. The support element extends in a first direction and is made from a first material. The support element couples a unit bottom surface of the at least one energy storage unit to a base surface of the battery system. The structure element is made from a second material and arranged adjacent to the support element at at least two sides of the structure element. The two sides are opposite to each other in a second direction perpendicular to the first direction.
Resumen de: EP4576348A1
A first aspect of the present disclosure is related to a battery cell (100), comprising:- an electrode stack (110) with two electrode layers, an anode layer and a cathode layer, wherein each electrode layer comprises a current collector (112) ;- a can (102) with a bottom (104) and a top (106) that comprises the electrode stack (110);- a lid (120) arranged on the top (106) of the can (102);- a lid (120) arranged on the bottom (104) of the can (102);wherein at least one lid (120) comprises one or more elevations (122) oriented towards the electrode stack (110) through which it is directly connected to one or both current collectors (112) of the electrode stack (110).
Resumen de: EP4576288A1
A first aspect of the present disclosure is related to a battery cell test system, comprising:- a housing configured to host a wound-up electrode stack;- a first lid configured to be arranged in a variable height in the housing;- a first external battery contact arranged through the first lid and configured to contact a first electrode of the electrode stack through the first lid.
Resumen de: EP4576301A1
An electrolyte composition contains an ion conductive inorganic solid electrolyte, a polymer having an ability to preferentially conduct metal ions, and an ionic liquid.
Resumen de: EP4576388A1
The present invention relates to the technical field of lithium ion battery diaphragms. Provided are an ultrathin lithium ion battery diaphragm with high mechanical strength and excellent thermal dimensional stability, and a preparation method thereof.
Resumen de: EP4576240A1
This application provides an electrochemical apparatus, a preparation method thereof, and an electronic apparatus. The electrochemical apparatus includes an electrode assembly, where the electrode assembly includes a positive electrode plate. The positive electrode plate features a single-sided groove embedded tab structure. The positive electrode plate includes a positive electrode current collector and a second positive electrode active material layer disposed on a second surface of the positive electrode current collector. The second positive electrode active material layer includes a second positive electrode active material, where the second positive electrode active material includes element M, and the element M includes at least one of manganese, iron, lanthanum, zirconium, or yttrium. The positive electrode plate of this application can enhance energy density of the electrochemical apparatus based on the existing embedded tab structure. At the same time, through the element M, thermal stability of the second positive electrode active material can be improved, thereby alleviating the aging problem of the positive electrode plate caused by the single-sided groove embedded tab structure, and consequently improving the safety performance of the electrochemical apparatus.
Resumen de: CN119790022A
Exemplary lithium carbonate (Li2CO3) particles may include at least 98 wt% (wt%) of lithium carbonate. Exemplary lithium carbonate (Li2CO3) particles may have a Dv (50) of between 0.08 mu m and 0.43 mu m. Exemplary lithium carbonate (Li2CO3) particles may have a Dn (50) of between 0.015 mu m and 0.5 mu m. Exemplary lithium carbonate (Li2CO3) particles may have a BET surface area of between 10 m2/g and 25 m2/g. An exemplary battery may include a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte. An exemplary positive electrode may have a positive electrode active material layer including a positive electrode active material and a plurality of lithium carbonate (Li2CO3) particles.
Resumen de: EP4576413A1
The present application provides an end cover assembly, a battery cell, a battery, and an electric device. The end cover assembly comprises an end cover body, a fool-proof structural part, and an electrode terminal; the end cover body comprises a first edge and a second edge which are oppositely arranged in the width direction of the end cover assembly; the fool-proof structural part is located on the side of the end cover body facing the interior of the battery cell; the electrode terminal passes through the end cover body; the electrode terminal comprises a connecting area facing the interior of the battery cell; the connecting area is electrically connected to a tab of the electrode assembly; in the width direction, the distance from the connecting area to the first edge is larger than the distance from the connecting area to the second edge; and the fool-proof structural part is at least partially located on the side of the connecting area close to the first edge. The end cover assembly in embodiments of the present application can improve the production efficiency of battery cells.
Resumen de: EP4576374A1
Provided in the embodiments of the present application are a battery cell, a battery, and an electric apparatus. The battery cell (100) comprises: a casing (10), provided with a closed inner chamber (101); an electrode assembly (102), arranged in the inner chamber (101); and a first pressure relief component (1), arranged on the casing (10). The first pressure relief component (1) is provided with a first weak part (13). The first weak part (13) is a thinned part and is configured to be opened when a first preset condition is met in the casing (10).
Resumen de: EP4576234A1
A composite electrode, a manufacturing method thereof, and a lithium-ion battery are provided. The composite electrode includes a current collector; and a composite material layer disposed on at least one side surface of the current collector. The composite material layer comprises n-layer active substance layers and n-1-layer lithium supplement layers that are stacked at intervals, in which n is greater than or equal to 3 and n is an integer. A side of the composite material layer which is adjacent to the current collector is one of the n-layer active substance layers. Porosity of the n-1-layer lithium supplement layers gradually increases along a direction away from the current collector.
Resumen de: US2025191853A1
A composition incorporating activated carbon, an electro-stabilizing agent and/or a wettability enhancing agent. Methods of producing conductive activated carbon including a step of combining activated carbon with an electro-stabilizing agent and/or a wettability enhancing agent to form an activated carbon mixture; and exposing the activated carbon mixture to a sweeping gas at an elevated temperature. The electro-stabilizing agent can be copper. The wettability enhancing agent can be aluminum.
Resumen de: EP4576304A1
The present disclosure relates to an electrolyte additive for a lithium metal battery or a lithium-ion battery. Since the electrolyte additive for a lithium metal battery or a lithium-ion battery provides uniform nucleation sites for lithium ions, dendrite (lithium dendrite) formation can be inhibited and, thus, the performance and safety of a lithium metal battery or a lithium-ion battery can be improved.
Nº publicación: EP4576257A1 25/06/2025
Solicitante:
SK ON CO LTD [KR]
SK On Co., Ltd
Resumen de: EP4576257A1
A cathode for a lithium secondary battery according to exemplary embodiments may include a cathode current collector; and a cathode active material layer formed on the cathode current collector and including over-lithiated oxide particles. A D value represented by Equation 1 of the cathode may be greater than 5.
BOPI
Sede Electrónica
