Patents Examined by Lingwen R Zeng
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Patent number: 12288840Abstract: A cylindrical battery cell, a battery, an electricity consuming device, a manufacturing method and a manufacturing system are provided. The cylindrical battery cell includes a shell, including an opening; and an electrode assembly, disposed in the shell, the electrode assembly including a separator and a tab, and along an axial direction of the electrode assembly, the tab being located at one end of the electrode assembly and extending toward the opening, the tab including a first portion and a second portion, the second portion surrounding a periphery of the first portion, and the separator wrapping the second portion to isolate the second portion from the shell, wherein along the axial direction, the first portion extends beyond the second portion and the separator, and the second portion does not extend beyond the separator. The battery cell of the present application solves a problem of short circuit in the battery cell.Type: GrantFiled: March 9, 2023Date of Patent: April 29, 2025Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITEDInventors: Kai Wu, Chengyou Xing, Wenlong Kang, Huasheng Su, Quankun Li
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Patent number: 12283722Abstract: A fixing structure of an electrode includes a battery housing having a bottom with a perforation hole; an electrode terminal fixed to the bottom; and a terminal gasket interposed between the electrode terminal and the bottom. The electrode terminal includes a neck portion inserted into the perforation hole; a head portion connected to one end of the neck portion and having a cross section larger than the cross section of the perforation hole and extending along one surface of the bottom; a protrusion connected to the other end of the neck portion and extending along an axial direction of the battery housing from the other surface of the bottom; a diameter-enlarged portion configured to extend in a centrifugal direction from the protrusion; and a front end surface at an axial end of the protrusion. The diameter-enlarged portion may be a fastening member at an outer circumference of the protrusion.Type: GrantFiled: November 24, 2022Date of Patent: April 22, 2025Assignee: LG ENERGY SOLUTION, LTD.Inventors: Geon-Woo Min, Min-Ki Jo, Do-Gyun Kim, Kwang-Su Hwangbo, Jae-Woong Kim
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Patent number: 12283684Abstract: An electrode having both high energy density and ion diffusivity includes an electrode active material layer on either a positive-or negative-electrode current collector, in which the electrode active material layer has a concave/convex shape on its surface in a predetermined pattern at a constant pitch. In a cross-sectional SEM image of the electrode active material layer, linear cracks are unevenly distributed in a concave portion compared to in a convex portion.Type: GrantFiled: February 25, 2022Date of Patent: April 22, 2025Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventors: Naohiro Mashimo, Katsushi Enokihara, Haruka Shionoya
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Patent number: 12278324Abstract: Embodiments of the present application provide a feeding device for loading a material into a container, which relates to the technical field of product assembly. The feeding device is configured to load a material into a container having an opening. The feeding device includes a pressing unit. The pressing unit includes a pressing member having a pressing plane, and a driving member configured to drive the pressing member to move cyclically along a closed track. The closed track includes a first planar track segment, and when the pressing member moves along the first planar track segment, the pressing plane forms surface contact with the material and keeps extending in a material loading direction, the material loading direction being a movement direction of the material relative to the container. The feeding device can reduce damage to the material during a feeding process.Type: GrantFiled: March 28, 2024Date of Patent: April 15, 2025Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITEDInventors: Guangyao Wang, Xiang Fan, Gang Lin
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Patent number: 12278327Abstract: Disclosed is a densified cell assembly and methods for preparing the same. In one embodiment, an isostatic press is applied to a bag which contains a plate and two elastic substrates enveloping a cell pouch, wherein one or more tabs are extended from the cell pouch, wherein the cell pouch accommodates a cell stack comprising one or more electrode layers and one or more electrolyte layers. In one embodiment, the tabs are not damaged or disconnected from the cell pouch due to compression.Type: GrantFiled: May 13, 2024Date of Patent: April 15, 2025Assignee: Factorial Inc.Inventor: Kwan Li
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Patent number: 12272815Abstract: Provided are a positive electrode active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same. The positive electrode active material for a rechargeable lithium battery includes a lithium nickel-based composite oxide, wherein the positive electrode active material is in a form of a secondary particle in which a plurality of primary particles are aggregated together and at least a portion of the primary particles are radially arranged, the secondary particle includes an inner portion and an outer portion, the inner portion of the secondary particle is a region from a center of the secondary particle to 50±5 length % of the total distance from the center to the surface of the secondary particle, and is a region in which primary particles and pores are irregularly arranged.Type: GrantFiled: December 9, 2022Date of Patent: April 8, 2025Assignee: Samsung SDI Co., Ltd.Inventors: Pilsang Yun, Jongsan Im, Hyunbeom Kim, Hanseul Lee, Do-Yu Kim
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Patent number: 12237532Abstract: Power supply device includes: battery stack in which a plurality of battery cells each including, on a top surface thereof, gas discharge valve that opens when an internal pressure of outer covering can increases are stacked; first cover provided on a top surface of battery stack and defining first gas duct communicating with gas discharge valve; and second cover provided on a top surface of first cover and defining second gas duct on a top surface of first gas duct. A plurality of communication holes through which first gas duct and second gas duct communicate with each other are formed on the top surface of first cover.Type: GrantFiled: January 20, 2021Date of Patent: February 25, 2025Assignee: SANYO Electric Co., Ltd.Inventors: Yusuke Fujii, Takuya Egashira
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Patent number: 12230818Abstract: The present application relates to a voltage-reduced lithium battery and a manufacturing method thereof. The voltage-reduced lithium battery includes a circuit assembly, a plastic frame, a wound battery core assembly, a first metal housing, a second metal housing, an insulating seal and an insulating sheath, wherein the circuit assembly and the plastic frame are arranged in the first metal housing, the wound battery core assembly is arranged in the second metal housing, the first metal housing and the second metal housing are in vertical butt connection and fixed by circumferential welding, the insulating seal is configured to seal the second metal housing, and the insulating sheath covers the first metal housing and the second metal housing.Type: GrantFiled: July 30, 2024Date of Patent: February 18, 2025Assignee: Hamedata Technology Co., LimitedInventors: Changjun Yang, Jian Zhao, Pengfei Xiao, Wei Zhou, Guohao Xu, Qiang Hou, Hong Xiao
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Patent number: 12230809Abstract: A catalyst which is suitable for use in an anode of a fuel cell. The catalyst comprises, in at least partially reduced form, (i) nickel and (ii) molybdenum and, optionally, (iii) rhenium and/or (iv) at least one transition metal which is different from nickel, molybdenum and rhenium, supported on (v) electrically conductive carbon modified with one or more elements selected from the lanthanides, yttrium, tin and titanium. The weight ratio (i):((ii)+(iii)+(iv)) is at least 2:1.Type: GrantFiled: October 15, 2020Date of Patent: February 18, 2025Assignee: GENCELL LTD.Inventors: Nino Borchtchoukova, Yair Haim Wijsboom, Gennadi Finkelshtain, Margarita Valentinova Gabrovska, Dimitrinka Aleksieva Nikolova
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Patent number: 12224418Abstract: An energy store includes a storage module having a fan. The fan is arranged as a radial fan, and channels extend through the storage module, e.g., axially, open into a spatial region which is delimited by a cover part of the energy store connected to the storage module and the storage module. The cover part has a recess extending through the cover part, e.g., axially, which is covered by the fan, e.g., by the suction region of the fan, e.g., on the side of the cover part facing away from the storage module, and the energy store has a deflection hood, e.g., for deflecting the conveyed air flow in the axial direction, on the side of the cover part facing away from the storage module.Type: GrantFiled: September 10, 2020Date of Patent: February 11, 2025Assignee: SEW-EURODRIVE GMBH & CO. KGInventors: Josef Schmidt, Firat Altan, Matthias Hauck, Thomas Zöller
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Patent number: 12218363Abstract: A rechargeable battery includes a case having an opening and accommodating an electrode assembly therein; a cap plate closing and sealing the opening; and a welding bead part along a circumference of the cap plate and at a contact surface of the case and the cap plate, wherein the welding bead part includes first and second regions on a cross-section vertical to a welding progressing direction of the welding bead part, the first region has a first boundary line on the cross-section, a contact surface is between end parts of the first boundary line, the second region has a second boundary line on the cross-section, the first region is between end parts of the second boundary line to form first and second contact points in contact with the first boundary line, the first region is deeper than the second region, and the second region is wider than the first region.Type: GrantFiled: March 8, 2019Date of Patent: February 4, 2025Assignee: SAMSUNG SDI CO., LTD.Inventors: Junil Kang, Jinnam Kim, Yongseok Oh, Sunghyun Kim, Sunghoon Kim
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Patent number: 12218345Abstract: The present invention relates to an electrode sheet comprising: a first cathode mixture layer which is formed in a central portion of a holding part and contains a first cathode active material of lithium nickel cobalt manganese oxide; and a second cathode mixture layer which is formed at one end or both ends of the first cathode mixture layer and contains a second cathode active material lower in nickel content than the first cathode active material, wherein a rolling density b of the second cathode mixture layer is lower than a rolling density a of the first cathode mixture layer, whereby the electrode sheet has the effect of improving the energy density while suppressing a reaction with water.Type: GrantFiled: April 20, 2021Date of Patent: February 4, 2025Assignee: LG ENERGY SOLUTION, LTD.Inventors: Song Yi Han, Ji Hoon Ryu
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Patent number: 12218329Abstract: Systems and methods are provided for a high efficiency cold plate system. A high efficiency cold plate system may include an interior surface. A heat source may be configured adjacent to a lower portion of the interior surface. The interior surface may enclose an interior region. The interior surface may also include members extending across the interior surface. The members may be separated by an orifice. The members and interior surface may defined an inlet region and an outlet region. The inlet and outlet regions may be fluidly joined by an orifice separating the members extending across the interior surface. The members may be angled relative to a lower portion of the interior surface. Angling the members may allow the system to constrain and direct fluid flowing through the system to achieve efficient cooling.Type: GrantFiled: March 19, 2024Date of Patent: February 4, 2025Assignee: Ampaire, Inc.Inventors: Nathaniel C. Wynn, Jeffrey Spitzer, Oliver Allan, Philip Le Roux
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Patent number: 12212013Abstract: A battery may include a box; and at least two groups of battery cells accommodated in the box, where each group of battery cells may include a plurality of battery cells arranged along a first direction, the first direction being parallel to an upper cover or a bottom wall of the box, and the at least two groups of battery cells may be stacked along a second direction, the second direction being perpendicular to the first direction. The battery cell may be a polyhedral structure and include a first wall and a second wall that may be connected to each other, where the first wall may be parallel to the first direction, the second wall may be oblique to the first wall, and a cross section of the battery cell on a plane perpendicular to the first wall and the second wall may be a parallelogram.Type: GrantFiled: March 19, 2024Date of Patent: January 28, 2025Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITEDInventor: Hu Xu
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Patent number: 12206083Abstract: The present application provides a temperature control component and a battery pack. The temperature control component includes a temperature control tube. The temperature control tube includes: a first side wall; a second side wall, forming a cavity together with the first side wall. At least part of an outer surface of the first side wall is formed into a curved surface concave toward the second side wall; and/or, at least part of an outer surface of the second side wall is formed into a curved concave surface toward the first side wall surface.Type: GrantFiled: May 29, 2020Date of Patent: January 21, 2025Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITEDInventors: Yongqiang Su, Zengzhong Wang, Buwei Wu, Linggang Zhou
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Patent number: 12206125Abstract: Described is a battery cell, which includes a casing having a first opening; an electrode assembly received in the casing, the electrode assembly having a first tab, a second tab and a third tab, the first tab having an opposite polarity to the second tab, and the third tab having the same polarity as the first tab or the second tab; an end cap for closing the first opening; an insulating member disposed between the end cap and the electrode assembly, wherein the third tab is configured to be connected with the insulating member. It is possible to improve the heat dissipation efficiency of the battery cell by additionally providing a heat dissipation path of the electrode assembly—the third tab—the insulating member—the end cap, thereby improving the overcurrent capacity and the safety performance of the battery cell.Type: GrantFiled: January 6, 2023Date of Patent: January 21, 2025Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITEDInventors: Wenlin Zhou, Xing Li, Wenwei Chen, Liangfan Xu, Peng Wang, Haizu Jin
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Patent number: 12199270Abstract: A positive electrode active material for a lithium secondary battery, which can improve the performance of the battery by mixing various carbons with positive electrode active material and applying it, and a preparation method thereof and a lithium secondary battery including the same. The positive electrode active material for the lithium secondary battery includes two or more types of active material composites in which sulfur is supported on the carbon materials contained therein, wherein the carbon materials contained in any one of the two or more types of active material composites differ in at least one of the average particle size and shape from the carbon materials contained in another type of active material composites.Type: GrantFiled: October 29, 2019Date of Patent: January 14, 2025Assignee: LG ENERGY SOLUTION, LTD.Inventors: Cholong Lee, Yun Kyoung Kim
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Patent number: 12199240Abstract: Embodiments described herein relate generally to electrochemical cells having semi-solid electrodes that include a gel polymer additive such that the electrodes demonstrate longer cycle life while significantly retaining the electronic performance of the electrodes and the electrochemical cells formed therefrom. In some embodiments, a semi-solid electrode can include about 20% to about 75% by volume of an active material, about 0.5% to about 25% by volume of a conductive material, and about 20% to about 70% by volume of an electrolyte. The electrolyte further includes about 0.01% to about 1.5% by weight of a polymer additive. In some embodiments, the electrolyte can include about 0.1% to about 0.7% of the polymer additive.Type: GrantFiled: July 28, 2023Date of Patent: January 14, 2025Assignee: 24M Technologies, Inc.Inventors: Taison Tan, Naoki Ota, Jeffry Disko
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Patent number: 12191507Abstract: A battery cell includes an electrode assembly in which a plurality of electrode plates are stacked; a protective assembly disposed on at least one side of the electrode assembly and including an insulating material; and a case having an internal space in which the electrode assembly is accommodated, wherein the protective assembly includes a through-hole configured to allow electrolyte to pass therethrough.Type: GrantFiled: August 10, 2023Date of Patent: January 7, 2025Assignee: SK ON CO., LTD.Inventors: Jae Sik Shin, Seung Hoon Ju, Jae Gyu Byun, Gi Jeong Seo
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Patent number: 12170359Abstract: A cell and a battery are disclosed. The cell includes: a barrel, a first end cover and a second end cover being arranged at two ends of the barrel respectively, the barrel, the first end cover and the second end cover defining an accommodating space in which a battery cell assembly is arranged; and a heat exchange pipe passing through the first end cover, the second end cover, and the accommodating space, and an outer wall of the heat exchange pipe being in contact with the battery cell assembly. The battery includes at least two cells, the heat exchange pipes of the adjacent cells communicate with each other, so that external fluid can enter the heat exchange pipe at one end of the battery pack and then exchange heat with all the cells.Type: GrantFiled: December 1, 2020Date of Patent: December 17, 2024Assignee: GUANGDONG XINLI ENERGY CO., LTD.Inventors: Haijun Lu, Pengdong Li