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1903
results.
Updated on
06/10/2025 [07:12:00]
Results 1150 to 1175 of 1903
Absstract of: US2025296851A1
A metal composite compound is provided with which a lithium secondary battery having high initial charge and discharge efficiency can be produced. A metal composite compound containing at least Ni, in which in the metal composite compound, when in a differential pore volume distribution determined by a Barrett-Joyner-Halenda method from a nitrogen gas adsorption isotherm, an integrated area of a region where a pore diameter is 1 nm or more and 50 nm or less is A, and an integrated area of a region where the pore diameter is more than 50 nm and 200 nm or less is B, A/B is 0.05 or more and less than 1.5.
Absstract of: US2024258592A1
The invention provides a magnetic flux generator to enhance ion transport in an electrochemical cell. The magnetic flux generator comprises one or more magnetic field sources, each being configured to produce a respective magnetic field. Each magnetic field is individually controllably variable in three spatial dimensions.
Absstract of: WO2024162419A1
A curable heat-conductive adhesive agent according to the present invention contains a curable binder and a heat-conductive filler. A cured product obtained by curing the curable heat-conductive adhesive agent at 60°C for 24 hours has an adhesive strength of 0.3 MPa or more. When the storage modulus and the loss tangent obtained when a dynamic viscoelasticity measurement is performed on the cured product at 25°C at a frequency of 0.1 Hz are denoted as G' and tanδ, respectively, formula (1) is satisfied. According to the present invention, it is possible to provide a curable heat-conductive adhesive agent capable of forming a heat-conductive member that has high adhesive strength with respect to an adherend, and that is unlikely to be detached from the adherend even after undergoing a cooling/heating cycle between a low temperature and a high temperature. Formula (1): 1og10(G')<4.29×tanδ+6
Absstract of: US2025300177A1
An anode active material for a lithium secondary battery according to embodiments of the present disclosure includes composite particles which comprise a silicon-containing coating formed on a surface of carbon-based particles comprising porous, wherein the composite particles have a C/SiC peak intensity ratio of 1.0 to 4.5, which is measured through X-ray diffraction analysis after performing heat treatment on the composite particles at 900° C. to 1200° C. for 6 hours to 9 hours. The anode active material for a lithium secondary battery has improved capacity characteristics, output characteristics and lifespan characteristics.
Absstract of: US2025297911A1
An information collection device includes a casing, an air pressure sensor, and a sealing member. The casing has a first installation hole, the air pressure sensor is installed inside the casing, and at least a part of the air pressure sensor is snap-fitted into the first installation hole to acquire an air pressure parameter outside the casing. The sealing member seals the first installation hole, and the sealing member is used to allow gas to pass through and prevent liquid from passing through. Thereby, the information collection device is arranged in the battery cell, enabling it to collect information in an environment of electrolyte, thus mitigating the technical problems of complex structure and insufficient reliability of the cover plate of the battery cell caused by the external arrangement of the prior art information collection device.
Absstract of: US2025300325A1
A battery pack may include first, second, third, and fourth welding portions formed on each of a plurality of battery cell surfaces, wherein each of the first, second, third, and fourth welding portions may include first and second curved edges facing each other and first and second straight edges connecting the first and second curved edges to each other, the first and second welding portions may face each other in a diagonal direction, and the third and fourth welding portions may face each other in a diagonal direction between the first and second welding portions.
Absstract of: US2025300183A1
An electrode plate includes a substrate including a base layer and a first conductive layer and a second conductive layer disposed on respective surfaces of the base layer. An active material layer is disposed on at least one surface of the substrate. At least one incised portion of the first conductive layer, resulting from incision of a portion of the first conductive layer that penetrates the base layer, is combined to the second conductive layer.
Absstract of: WO2025198221A1
The simulation apparatus according to an embodiment disclosed in the present document includes: a model generation unit configured to generate a shape model of a battery cell, the shape model reflecting deformation of an electrode of the battery cell; a condition setting unit configured to set an electrolyte condition regarding whether an electrolyte is present in a deformed portion of the shape model of the battery cell, and to set an operation condition of the battery cell; and a simulation unit configured to simulate a lithium plating state of the battery cell on the basis of the shape model of the battery cell, the electrolyte condition, and the operation condition.
Absstract of: KR20250140980A
본 출원은 제1 분리막 시트 및 제2 분리막 시트를 공급하는 제1 시트 공급부 및 리튬 메탈 시트를 공급하는 제2 시트 공급부를 포함하는 시트 공급부(100); 상기 제1 분리막 시트 및 상기 제2 분리막 시트 중 적어도 하나에 바인더를 도포하는 도포부; 및 상기 리튬 메탈 시트를 사이에 두고 상기 제1 분리막 시트와 상기 제2 분리막 시트를 합지하는 합지부를 포함하고, 상기 제1 분리막 시트 및 상기 제2 분리막 시트 각각은 상기 합지부에 의한 합지 시 상기 리튬 메탈 시트에 대응하는 내측 영역 및 폭 방향(TD)에서 상기 내측 영역의 외곽부를 적어도 부분적으로 둘러싸는 외측 영역을 포함하며, 상기 도포부는 상기 제1 분리막 시트의 외측 영역 및 상기 제2 분리막 시트의 외측 영역 중 적어도 일부에 상기 바인더를 도포하는 롤 투 롤 방식의 전극 조립체 제조설비를 제공할 수 있다.
Absstract of: US2025300333A1
A battery pack includes: a battery cell including an electrode assembly, and an exterior material having a room portion accommodating the electrode assembly therein and a terrace portion from which an electrode tab electrically connected to the electrode assembly protrudes; a protection circuit module electrically connected to the battery cell and seated on the terrace portion; and an insulating portion between the protection circuit module and the terrace portion and between the room portion and the protection circuit module.
Absstract of: US2025300277A1
The power storage device includes a power storage module including a power storage cell, a cooler disposed above the power storage module, and a thermally insulating member. The power storage cell has a short side surface and a short side surface, a positive electrode terminal disposed on the short side surface, and a negative electrode terminal disposed on the short side surface. The thermally insulating member is provided below the cooler and above each of the positive electrode terminal and the negative electrode terminal.
Absstract of: WO2025198438A1
Provided is a coating apparatus comprising: a coating die including a first internal flow path; a supply tank for storing a first coating liquid; a first supply line extending from the supply tank and configured to deliver the first coating liquid; a first flow path switching valve connected to the first supply line and including a first input terminal into which the first coating liquid flows, a first output terminal which discharges the first coating liquid, and a second output terminal which discharges the first coating liquid; a second supply line extending between the first output terminal of the first flow path switching valve and the first internal flow path of the coating die; a recovery line extending between the second output terminal of the first flow path switching valve and the supply tank; and a first flow rate control valve installed in at least one of the second supply line and the first internal flow path of the coating die and configured to control the flow rate of the first coating liquid.
Absstract of: KR20250140897A
배터리 팩 간의 상태 정보를 무선으로 송/수신하고, 송/수신한 정보를 분석하여 BMIC(Battery Monitoring IC)의 종속된 명령 없이도 능동적으로 무선 충/방전을 통해 셀 밸런싱을 수행하며, BMIC의 셀 밸런싱 회로의 장애를 대체하도록 하여 배터리 수명 연장을 도모할 수 있도록 한 배터리 팩 간의 능동 셀 밸런싱장치에 관한 것으로서, 배터리 팩의 상태 정보를 획득하여 무선으로 인접한 배터리 팩으로 전송하고, 인접한 배터리 팩으로부터 무선으로 전송된 배터리 팩의 상태 정보를 수신하며, 획득한 배터리 팩의 상태 정보와 수신한 배터리 팩의 상태 정보를 기초로 셀 밸런싱 유무를 결정하고, 셀 밸런싱시 무선으로 방전을 통해 인접한 배터리 팩에 에너지를 충전하거나 인접한 배터리 팩으로부터 무선으로 전송된 에너지를 이용하여 충전하는 셀 밸런싱을 수행하는 무선 셀 밸런싱부를 포함하여, 배터리 팩 간의 능동 셀 밸런싱장치를 구현한다.
Absstract of: US2025300305A1
A battery module includes a plurality of battery cells, each including a case and a sealing portion provided on at least one edge of the case, and including a first battery cell and a second battery cell adjacent to each other in a first direction; and a support frame opposite the plurality of battery cells and into which at least a portion of the sealing portion is inserted, wherein the support frame includes a support guide configured to guide at least portions of the sealing portion of the first battery cell and the sealing portion of the second battery cell to be spaced apart from each other in opposite directions with respect to the first direction.
Absstract of: US2025300290A1
A battery case includes: a plurality of battery cells stacked on one another and accommodated in a battery lower case; an upper cover covering an upper portion of the stacked battery cells; at least one first bracket including a first end and a second end provided to be in contact with an upper surface of the upper cover, and a middle portion spaced apart from the upper surface of the upper cover to form an insertion space; and a battery upper case provided above the battery lower case. In particular, the battery upper case includes a second bracket provided on a lower surface thereof, and the second bracket includes a first end to be inserted in an insertion space formed between the upper surface of the upper cover and the first bracket.
Absstract of: KR20250140677A
본 발명의 일 측면에 따른 리튬황 전지용 음극은, 리튬을 포함하는 음극 활물질층; 및 상기 음극 활물질층의 적어도 일면에 형성된 보호층;을 구비하고, 상기 보호층은 LiTa 및 LiF의 혼합물을 포함한다. 상기 리튬황 전지용 음극은 음극의 다공화가 억제되고, 음극 표면에서 덴드라이트가 형성되는 것이 억제된다.
Absstract of: US2025300326A1
A busbar holder and a battery module are disclosed. A busbar holder includes a holder plate which supports a plurality of busbars electrically connecting a plurality of battery cells and a length adjuster supported by the holder plate and supporting a flexible circuit part configured to transmit an electric signal generated by measuring a state of the battery cells such that the flexible circuit part extends along a bent path.
Absstract of: US2024363833A1
Provided are a negative electrode for a lithium secondary battery and a method of manufacturing the same. The negative electrode for a lithium secondary battery according to an embodiment of the present invention includes a silicon-based negative electrode active material including iron and aluminum, wherein in ICP analysis of a negative electrode active material layer including the silicon-based negative electrode active material, contents of elements in the negative electrode active material layer satisfy the following Relations (1) to (3):A/(B2+C2)≤4,500(1)5≤B≤1,500(2)3≤C≤1,000(3)wherein A is a Li content in ppm, B is an Fe content in ppm, and C is an Al content in ppm, based on the total weight of the ICP-analyzed negative electrode active material layer.
Absstract of: FR3160405A1
La présente invention concerne des verres ternaires de phosphate de nickel de lithium, ainsi que leur procédé d’obtention. L’invention vise également la préparation et l’utilisation desdits verres en tant que matériaux actifs d’électrodes positives, en particulier d’accumulateurs métal-ion, ainsi que lesdits matériaux actifs et électrodes per se. (pas de figure)
Absstract of: WO2025198194A1
The present invention relates to a positive electrode and an all-solid-state rechargeable battery comprising same, the positive electrode comprising: a first positive electrode active material, which comprises secondary particles containing a lithium nickel-based composite oxide and formed by agglomeration of a plurality of primary particles, wherein at least a portion of the primary particles has a radial arrangement structure, a first coating layer located on the surfaces of the secondary particles and containing boron, and a second coating layer located on the first coating layer and containing a sulfide-based solid electrolyte; a second positive electrode active material, which contains a lithium nickel-based composite oxide and is in the form of single-particles, and comprises a first coating layer located on the surfaces of the single-particles and containing boron, and a second coating layer located on the first coating layer and containing a sulfide-based solid electrolyte, and which has an average particle diameter (D50) smaller than an average particle diameter (D50) of the first positive electrode active material; and a solid electrolyte, which comprises core particles containing a sulfide-based solid electrolyte, and a third coating layer located on the surfaces of the core particles and containing a lithium-metal-phosphate.
Absstract of: WO2025198156A1
A battery system according to an embodiment of the present invention may comprise: a plurality of batteries; and a battery control device for controlling a main switch arranged on an input/output path of each of the plurality of batteries, so that the batteries are controlled to be connected in parallel to a DC link. Here, the battery control device may select target batteries to be connected in parallel, on the basis of the state information of the batteries, and control the target batteries to be connected in parallel such that the target batteries are connected to the DC link at different time points by sequentially controlling main switches of the respective target batteries.
Absstract of: WO2025198438A1
Provided is a coating apparatus comprising: a coating die including a first internal flow path; a supply tank for storing a first coating liquid; a first supply line extending from the supply tank and configured to deliver the first coating liquid; a first flow path switching valve connected to the first supply line and including a first input terminal into which the first coating liquid flows, a first output terminal which discharges the first coating liquid, and a second output terminal which discharges the first coating liquid; a second supply line extending between the first output terminal of the first flow path switching valve and the first internal flow path of the coating die; a recovery line extending between the second output terminal of the first flow path switching valve and the supply tank; and a first flow rate control valve installed in at least one of the second supply line and the first internal flow path of the coating die and configured to control the flow rate of the first coating liquid.
Absstract of: WO2025198207A1
The present application provides roll-to-roll type electrode assembly manufacturing equipment comprising: a sheet supply unit (100) including a first sheet supply unit for supplying a first separator sheet and a second separator sheet and a second sheet supply unit for supplying a lithium metal sheet; an application unit for applying a binder to at least one of the first separator sheet and the second separator sheet; and a lamination unit for laminating the first separator sheet and the second separator sheet while having the lithium metal sheet disposed therebetween, wherein: each of the first separator sheet and the second separator sheet includes an inner area corresponding to the lithium metal sheet at the time of lamination by the lamination unit, and an outer area at least partially surrounding the peripheral portion of the inner area in the thickness direction (TD); and the application unit applies the binder onto at least a part of the outer area of the first separator sheet and the outer area of the second separator sheet.
Absstract of: WO2025198205A1
The present invention relates to a sulfide-based solid electrolyte, a method for producing same, and an all-solid-state battery comprising same. More specifically, the present invention includes forming Li2S and using the Li2S to form Li7-aPS6-aXa (0≤a≤2), wherein forming the Li2S includes: mixing lithium sulfate (Li2SO4) and a carbon reducing agent to form a mixture; and heat-treating the mixture, and the X includes at least one of F, Cl, Br, and I.
Nº publicación: WO2025198221A1 25/09/2025
Applicant:
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
Absstract of: WO2025198221A1
The simulation apparatus according to an embodiment disclosed in the present document includes: a model generation unit configured to generate a shape model of a battery cell, the shape model reflecting deformation of an electrode of the battery cell; a condition setting unit configured to set an electrolyte condition regarding whether an electrolyte is present in a deformed portion of the shape model of the battery cell, and to set an operation condition of the battery cell; and a simulation unit configured to simulate a lithium plating state of the battery cell on the basis of the shape model of the battery cell, the electrolyte condition, and the operation condition.
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