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1441
resultados
Última actualización
07/08/2025 [09:25:00]
Resultados 600 a 625 de 1441
Resumen de: WO2025159381A1
The present invention relates to a composite material for a cathode active material comprising a multi-component olivine material and to a method for preparing same. More specifically, the present invention provides a composite material for a cathode active material and a method for preparing same, the composite material comprising: a lithium transition metal phosphate core having an olivine structure and mixed with a lithium ion conductor; and a hybrid coating layer including a lithium ion conductor and a carbon material, and formed on at least a portion or all of the core. Accordingly, a lithium secondary battery using the composite material can exhibit superior electrical performance.
Resumen de: WO2025159348A1
The purpose of the present invention is to provide an efficient system for monitoring a waste secondary battery crushing and pulverizing apparatus and a system for a waste secondary battery recycling process using same, wherein a malfunction of the crushing and pulverizing apparatus can be detected early through the system function of monitoring the power of the apparatus in real time, and accidents can be prevented and the safety of workers ensured by setting a threshold value for power consumption. In order to achieve the purpose, the system for monitoring a waste secondary battery crushing and pulverizing apparatus according to the present invention is characterized by comprising: a crushing and pulverizing apparatus for crushing and pulverizing a waste secondary battery; a power meter for measuring the power of the crushing and pulverizing apparatus; and a monitoring device for monitoring the operation of the crushing and pulverizing apparatus through real-time power analysis by receiving signals measured by the power meter.
Resumen de: WO2025159315A1
The present invention relates to a method for generating a learning model for estimating a battery state through conditional learning. The method for generating a learning model solves the problem wherein complexity increases exponentially when learning massive training data via one learning network. The problem is solved by: classifying feature values of batteries according to a plurality of conditions to configure conditional training data; and generating a learning model for estimating a battery state according to each of the conditions by learning the configured conditional training data via a separate independent learning network.
Resumen de: WO2025156612A1
The present application relates to the technical field of energy, and provides a battery pack, an energy storage apparatus, and an energy storage system, which are used for implementing the function of liquid leakage detection for a battery pack. The battery pack comprises a box body, a plurality of battery cells, and a liquid leakage detection apparatus. The liquid leakage detection apparatus comprises a first wire, a second wire, a separator, a detection port, and an alarm device. The detection port comprises a first conductive contact and a second conductive contact. The first wire is electrically connected to the first conductive contact, and the second wire is electrically connected to the second conductive contact. The portion of the first wire that extends into the box body comprises a first wire core portion that is exposed, and the portion of the second wire that extends into the box body comprises a second wire core portion that is exposed. The separator separates the first wire core portion from the second wire core portion, and the separator is configured to dissolve when coming into contact with an electrolyte, thus electrically connecting the first wire core portion and the second wire core portion. The alarm device is electrically connected to the first conductive contact and the second conductive contact, and the alarm device sends an alarm signal when the first conductive contact and the second conductive contact are shorted.
Resumen de: WO2025156605A1
Embodiments of the present application provide a battery and an electric device. The battery comprises a plurality of battery cells, a plurality of thermal management components, first connecting tubes, and first thermal insulation members, the plurality of thermal management components are arranged at intervals in a first direction, each thermal management component has a first end and a second end in a second direction, at least one battery cell is arranged between two adjacent thermal management components, and the first direction is perpendicular to the second direction. Each first connecting tube is located at one side of the corresponding battery cell in the second direction, and connected to first ends of two adjacent thermal management components. In the second direction, at least a part of each first thermal insulation member is located between the first connecting tube and the corresponding battery cell. Thus, when a battery cell among the battery cells expands due to thermal runaway, in the second direction, the first thermal insulation member can abut against the battery cell prior to the first connecting tube, thereby reducing heat transferred by the battery cell undergoing thermal runaway to the first connecting tube.
Resumen de: WO2025156593A1
The present disclosure relates to the technical field of batteries, and provides a system and method for repair-welding and return of a battery cell top cover, and a battery production line. The system for repair-welding and return of a battery cell top cover comprises an outfeed conveying line, a return conveying line, and a sorting module. An input end of the outfeed conveying line is connected to a welding device, and an output end extends toward an outfeed position. The return conveying line is arranged on a side of the outfeed conveying line, and an output end of the return conveying line is connected to the welding device. The outfeed conveying line and the return conveying line have opposite conveying directions, and are arranged side by side. The sorting module comprises a first frame and a material pick-up part. The first frame, the outfeed conveying line, and the return conveying line are fixed relative to one another. The material pick-up part is movably provided on the first frame and can move relative to the first frame to positions corresponding to the outfeed conveying line and the return conveying line, so as to convey a battery cell from the outfeed conveying line to the return conveying line. The system for repair-welding and return of a battery cell top cover can improve production efficiency. In addition, the system for repair-welding and return of a battery cell top cover is used for repair-welding of a battery cell top cover.
Resumen de: WO2025156585A1
A negative electrode plate, a secondary battery, and an electrical device. The negative electrode plate comprises a current collector and a negative electrode film layer. The negative electrode film layer comprises a first negative electrode film layer and a second negative electrode film layer. The first negative electrode film layer is located on at least one side surface of the current collector, and the second negative electrode film layer is located on the surface of the first negative electrode film layer away from the current collector. The first negative electrode film layer comprises first negative electrode active particles, and the first negative electrode active particles are graphitized carbon. The second negative electrode film layer comprises second negative electrode active particles, and the second negative electrode active particles have a core-shell structure. The core of the core-shell structure is graphitized carbon, and the shell of the core-shell structure is aluminum oxide. Under the same conditions, the compaction density of the first negative electrode active particles is greater than the compaction density of the second negative electrode active particles. The described negative electrode plate can be used for balancing properties of the battery such as the direct-current impedance, rate capability, and energy density.
Resumen de: WO2025156602A1
A cutting apparatus for composite electrode sheets and a battery production line, belonging to the technical field of processing apparatuses. The cutting apparatus for composite electrode sheets comprises: a rack; a compounding mechanism, which is mounted on the rack and is configured to cooperate with an adsorption mechanism to compound a separator and an electrode sheet to obtain a composite electrode sheet; the adsorption mechanism, which is mounted on the rack and is configured to adsorb the composite electrode sheet; and a cutting mechanism, which is mounted on the rack and is configured to cooperate with the adsorption mechanism to cut off the composite electrode sheet.
Resumen de: WO2025156611A1
A battery cell, a battery and an electrical apparatus, relating to the technical field of batteries. The battery cell comprises a first housing wall, terminals and first insulating parts. The terminals are arranged on the first housing wall in a penetrating mode and each terminal comprises a first fixing part and a second fixing part which are arranged on the two sides of the first housing wall. Each first fixing part comprises a first surface away from the first housing wall. A first insulating part is arranged on the side of the first housing wall facing each first fixing part, and comprises a first part located between each first fixing part and the first housing wall and a second part located in the peripheral area of each first fixing part. Each second part comprises a clearance surface arranged around each first fixing part. Each clearance surface is arranged closer to the first housing wall than to each first surface.
Resumen de: WO2025156401A1
A graphene current collector, and a preparation method therefor and the use thereof. The preparation method comprises the following steps: S1, mixing and dissolving a graphene powder, a dispersant and a polymer adhesive in a solvent, and ultrasonically stirring and dispersing same to prepare a gelatinized slurry; S2, coating a base film with the gelatinized slurry obtained in step S1, drying same, stripping off a graphene primary film, and rolling same; and S3, rolling and compacting the graphene primary film obtained in S2 to a target thickness, so as to obtain a graphene current collector. The graphene current collector replaces copper foil or aluminum foil to serve as a positive or negative electrode current collector of a lithium battery, and can significantly improve the energy density and energy efficiency of the lithium battery.
Resumen de: WO2025156378A1
A Prussian blue analogue, a modification method therefor, and a use thereof, relating to the technical field of battery materials. The modification method comprises the following steps: mixing a Prussian blue analogue to be processed and an electrolyte salt in an organic solvent, heating to perform condensation reflux, and extracting a solid product from the solution after reflux to obtain a Prussian blue analogue. The modification method effectively removes crystallized water within the lattice of a Prussian blue analogue, and the added electrolyte salt facilitates formation of a electrolyte salt + organic solvent+ structure, thereby effectively promoting the exchange between the organic solvent and the crystallized water within the Prussian blue analogue crystals. Hence, the cycling stability of the Prussian blue analogue is greatly improved, and the electrochemical performance thereof is enhanced, making the invention suitable for use in the field of battery materials.
Resumen de: WO2025156348A1
The present application provides an electrode preparation method, comprising the following steps: S1, adding an electrode active material, a conductive agent, and a binder fiber into a container and then stirring to form a mixed material; and S2, disposing the mixed material on a carrier to form an electrode. The present application also provides an electrode and a battery. In the present application, the mixed material of said preparation method does not contain a solvent. This eliminates the need for electrode baking and reduces equipment energy consumption. Additionally, by mixing a binder fiber with the electrode active material and the conductive agent, the electrode active material will not be subject to a fiber bonding process, thereby preventing reductions in battery capacity caused by the breakdown of active material particles. Moreover, the binder utilized provides universal applicability.
Resumen de: WO2025156252A1
Disclosed in the present invention are a graphene current collector, and a preparation method therefor and the use thereof. The preparation method comprises the following steps: S1, mixing and dissolving a graphene powder, a dispersant and a polymer adhesive in a solvent, and performing ultrasonic stirring and dispersion to prepare a gelatinized slurry; S2, coating a base film with the gelatinized slurry obtained in step S1, drying same, stripping away a primary film of graphene, and rolling same up; and S3, rolling and compacting the primary film of graphene obtained in S2 to a target thickness to obtain a graphene current collector. The graphene current collector of the present invention replaces a copper foil or an aluminum foil to serve as a positive or negative electrode current collector for a lithium battery, such that the energy density and energy efficiency of the lithium battery can be significantly improved.
Resumen de: KR20250115695A
본 발명의 일 실시예는 신축성 리튬이온 전지 분리막 제조방법 및 이에 의해 제조된 신축성 리튬이온 전지 분리막을 제공한다. 본 발명의 신축성 리튬이온 전지 분리막 제조방법은 비용매 유도 상분리법을 활용하여 기존에 비해 공정이 단순하고, 이에 의해 제조된 다공성 분리막은 기존의 분리막보다 뛰어난 열안정성 및 전해액 젖음성의 이점이 있다.
Resumen de: WO2024116063A1
The present invention relates to aluminum alloys for the preparation of anodes to be used in the manufacturing of batteries.
Resumen de: CN118315577A
The invention provides a lithium supplementing material. The lithium supplementing material comprises Li < 5 > Fe < 1-x > M < x > O < 4 > and a coating layer arranged on the surface of the Li < 5 > Fe < 1-x > M < x > O < 4 >, the coating layer comprises ZnO doped with M'ions, and the M 'ions are ions capable of forming a displacement type solid solution with ZnO. Wherein the coating layer can inhibit chemical reaction between Li5Fe1-xMxO4 particles and carbon dioxide and water in the air and block reaction between the lithium supplementing material and the outside, so that the lithium supplementing material has relatively good stability, the overall conductivity of the lithium supplementing material can be improved, and when the lithium supplementing material is used for an electrochemical device such as a lithium ion battery, the formation time can be greatly shortened, and the production cost can be reduced. The first coulombic efficiency and the cycle performance of the battery are remarkably improved, and the battery consistency is relatively good.
Resumen de: US2025239658A1
A battery has a positive electrode active material layer, a negative electrode active material layer, and an electrolyte layer, arranged between the positive electrode active material layer and the negative electrode active material layer. And at least one of the positive electrode active material layer, the negative electrode active material layer, and the electrolyte layer contains a Li—Al halide-based molten salt, the Li—Al halide-based molten salt contains a first salt as a main component and a second salt as an added component. The first salt is a Li—Al halide salt at least containing LiAlCl4, and the second salt is an ionic liquid.
Resumen de: KR20250115823A
본 발명은 USB 원격 허브에 관한 것으로서 usb허브 케이블에 의하여 기존 usb허브의 유선 제품을 무선으로 변경함으로서 무선제품의 유선 사용력 증가 밑 보조배터리 형태로 기기의 배터리소모를 별도화 함으로써 전원 공급이 힘든 야외 같은 상황에서 의 전류 소비와 선의 길이가 짧으면 기기와 붙어 있어야 하고 선 길이가 증가하면 선 정리와 선 꼬임의 번거로움 문제점을 해소하도록 함으로써 기존의 전원 공급이 힘든 야외 같은 상황에서 의 전류 소비와 선의 길이가 짧으면 기기와 붙어 있어야 하고 선 길이가 증가하면 선 정리와 선 꼬임의 번거로우며 원해진 수량만큼의 단자수를 원하는데 불가피하게 단자수가 적거나 많은걸 사야할경우가 많아 확장가능한 모델의 필요성이있어 블록과같은 형테로 확장가능 추가 문제점을 해소 하도록 한 것이다.즉 본 발명은, 무선 usb 허브에 있어서 기존 usb허브의 유선 제품을 무선으로 변경함으로서 무선제품의 유선 사용력 증가 밑 보조배터리 형태로 기기의 배터리소모를 별도화한 장치이다 기존 본체와 직접 연결하던 usb케이블을 블루투스 모듈로 대체, 추가적으로 확장 모듈을 탑제 가능하게 제작하였다.한 usb허브 블루투스 모듈, 블록형으로 사용자의 원하는 구조에 맞게 확장 가능�
Resumen de: WO2025159291A1
A battery pack according to an embodiment of the present invention comprises: a plurality of battery cells; a pack case accommodating the plurality of battery cells; and a side frame supporting the plurality of battery cells in the pack case, and having a heat transfer prevention unit for preventing a heat transfer toward an adjacent battery cell when a thermal event occurs in at least one battery cell among the plurality of battery cells.
Resumen de: WO2025159285A1
This all-solid-state secondary battery comprises a cathode layer, an anode layer, and a solid electrolyte layer between the cathode layer and the anode layer. The cathode layer includes a cathode current collector and a cathode active material layer on one surface of the cathode current collector. The anode layer includes an anode current collector and a first anode active material layer on one surface of the anode current collector. The first anode active material layer includes a first anode active material, a second anode active material and a carbon-based material, and the first anode active material includes an alloy phase.
Resumen de: WO2025159300A1
A battery temperature estimation device according to one embodiment disclosed in the present document may comprise: an impedance measurement unit that measures impedance of a battery according to frequency; a memory that stores a temperature-impedance imaginary part table according to frequency; and a controller that estimates a temperature of the battery through the temperature-impedance imaginary part table on the basis of an imaginary part of the impedance according to frequency.
Resumen de: WO2025159115A1
This negative electrode for an all-solid-state battery comprises an active material, a carbon material, and a solid electrolyte, wherein: the solid electrolyte is represented by (1) LiaEbGcXd, where X is Cl or Cl and at least one element selected from the group consisting of F, Br, and I; and the D/G ratio of the carbon material satisfies 0-1.10, the D/G ratio being an intensity ratio obtained by dividing the peak intensity of a D-band peak occurring in the vicinity of 1360 cm-1 in a Raman spectrum measured by Raman spectroscopy, by the peak intensity of a G-band peak occurring in the vicinity of 1600 cm-1 in the Raman spectrum.
Resumen de: WO2025159107A1
A cylindrical battery according to the present disclosure comprises: a wound electrode body (14) in which a positive electrode plate (11) and a negative electrode plate (12) are wound with a separator (13) therebetween, the wound electrode body (14) having a cylindrical hollow section (23) in the winding center; a cylindrical outer packaging can (16) that accommodates the electrode body (14); and a sealing body (17) that blocks the opening of the outer packaging can (16). The cylindrical battery includes a lead (20) that is connected to the electrode plates forming the electrode body (14), and comprises current collection members (30) that are connected to the lead (20) and the sealing body (17) and are disposed between the electrode body (14) and the sealing body (17). The current collection members (30) are characterized in that a current collection member (30) on the electrode body (14) side and a current collection member (30) on the sealing body (17) side are disposed so as to cover the hollow section (23).
Resumen de: KR20250115497A
배터리 열폭주 지연용 방염패드가 제공된다. 본 발명의 일 실시예에 따른 배터리 열폭주 지연용 방염패드는 세라믹 원단, 및 상기 세라믹 원단의 양면에 피복되는 무기계 코팅층을 포함하여 구현된다. 이에 의하면, 전기절연성이 뛰어나고, 열폭주가 발생하는 경우에도 인접한 다른 배터리 셀로 열폭주 전이가 발생하는 것을 방지 및 지연시킬 수 있으며, 방염 및 내열강도가 우수해 열폭주 및 화재에 의해서 형상이 변형 및 천공 발생이 방지됨에 따라서 열폭주 전이 지연 성능 및 기계적 강도를 지속적으로 유지시킬 수 있다.
Nº publicación: KR20250115862A 31/07/2025
Solicitante:
주식회사엘지에너지솔루션
Resumen de: KR20250115862A
본 발명의 이차전지용 테이프 가압장치는 이차전지의 전극탭과 전극 리드의 용접부에 상부 보호테이프와 하부 보호테이프의 부착력을 높이기 위한 테이프 가압장치로서, 상기 이차전지를 이송 방향으로 이송시키도록 마련된 이송부; 그리고 상기 이차전지가 이송되는 중에 상기 전극탭에 부착된 상기 상부 보호테이프와 상기 하부 보호테이프 각각을 가압하도록 마련된 가압 롤러;를 포함한다.
BOPI
Sede Electrónica
