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1.发明公开公开(公告)号：US20230197927A1
公开(公告)日：2023-06-22
申请号：US18110237
申请日：2023-02-15
发明人： Juhye BAE , Won-Gi AHN , Junhong LEE , Min-young JEONG
IPC分类号： H01M4/133 , H01M4/62 , H01M10/0525
CPC分类号： H01M4/133 , H01M4/625 , H01M10/0525 , H01M4/362
摘要： A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative electrode includes: a current collector; a first negative active material layer disposed on one side of the current collector and including a first negative active material and a linear conductive material; and a second negative active material layer disposed on one side of the first negative active material layer and including a second negative active material.
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2.发明公开公开(公告)号：US20230253553A1
公开(公告)日：2023-08-10
申请号：US18165782
申请日：2023-02-07
发明人： Won-Gi AHN , Min-young JEONG , Taeil LEE , Juhye BAE , Gwangwon PARK
IPC分类号： H01M4/36 , H01M4/133 , H01M4/134 , H01M4/587 , H01M4/38 , H01M10/0525 , H01M4/04 , H01M4/1393 , H01M4/1395
CPC分类号： H01M4/366 , H01M4/133 , H01M4/134 , H01M4/587 , H01M4/364 , H01M4/386 , H01M10/0525 , H01M4/0404 , H01M4/1393 , H01M4/1395 , H01M2004/027
摘要： A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The negative electrode includes a current collector and a negative active material layer including a first active material layer, a second active material layer, and a third active material layer, wherein the first active material layer contacts the current collector and the second active material layer is between the first active material layer and the third active material layer, wherein the first active material layer includes a first active material including a first crystalline carbon, the second active material layer includes a second active material including a silicon-based active material, a second crystalline carbon and a third crystalline carbon, and third active material layer includes a third active material including a fourth crystalline carbon.
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公开(公告)号：US20210151732A1
公开(公告)日：2021-05-20
申请号：US16952354
申请日：2020-11-19
发明人： Won-Gi AHN , Yongho KIM , Jin Seok PARK , Juhye BAE , Hyeri EOM , Min-young JEONG , Hyun Wook JUNG
摘要： A slot die for manufacturing a rechargeable battery electrode includes a first block with a chamber to accommodate an active material slurry, a second block facing and attached to the first block, a shim between the first and second blocks and including facing end portions, and a slot between the first and second blocks, and between the facing end portions, the slot including a first side defined by the first block, and a second side defined by the second block and facing the first side. Each of the end portions of the shim includes a width adjuster protruding to a second reference point from a first reference point in a width direction by a first adjusting width, extending to a third reference point from the second reference point at a first angle with respect to a discharging direction, and having a first adjusting length in the discharging direction.
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4.发明公开公开(公告)号：US20240213454A1
公开(公告)日：2024-06-27
申请号：US18469416
申请日：2023-09-18
发明人： Taeil LEE , Won-Gi AHN , Juhye BAE , Gwangwon PARK , Min-young JEONG
CPC分类号： H01M4/366 , H01M4/0404 , H01M4/0471 , H01M4/386 , H01M4/587
摘要： An electrode plate includes an electrode current collector; a first active material layer in a pattern at the electrode current collector; and a second active material layer covering first active material layer and a portion of the electrode current collector. The electrode plate for a rechargeable battery may improve an impregnation characteristic of an electrolyte by inducing bending in a width direction of the electrode plate to improve rate capability.
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公开(公告)号：US20240055575A1
公开(公告)日：2024-02-15
申请号：US18230009
申请日：2023-08-03
发明人： Gwangwon PARK , Won-Gi AHN , Min-young JEONG , Taeil LEE , Juhye BAE , Jin Seok PARK , Hyun Wook JUNG , Kwan Young LEE
CPC分类号： H01M4/0404 , H01M4/13 , H01M4/139 , H01M2004/027
摘要： A method of preparing a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the negative electrode, and the method of preparing the negative electrode may include preparing an active material layer on a current collector so that a coated portion in which the active material layer is formed and an uncoated region in which an active material is not formed are alternatively arranged, the active material, wherein the coated portion is formed by coating a first negative active material layer composition having a capillary number of about 0.25 to about 1.50 on the current collector and coating a second negative active material layer composition having a capillary number of about 0.28 to about 1.50 on the first negative active material layer composition.
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公开(公告)号：US20230089248A1
公开(公告)日：2023-03-23
申请号：US17873047
申请日：2022-07-25
发明人： Min-young JEONG , Juhye BAE , Won-Gi AHN , Taeil LEE
摘要： A negative electrode active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The negative electrode includes a current collector and a negative electrode active material layer on the current collector. The negative electrode active material layer includes a first region in contact with the current collector and including a first negative electrode active material, and a second region on the first region and including a second negative electrode active material. Each of the first and second negative electrode active materials has an average particle diameter (D50) of about 9 μm to about 22 μm, morphologies that are different from each other, a porosity of the second region is higher than that of the first region, and a porosity ratio of the second region to the first region is from about 110% to about 190%.
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7.发明申请公开(公告)号：US20220158168A1
公开(公告)日：2022-05-19
申请号：US17455562
申请日：2021-11-18
发明人： Juhye BAE , Won-Gi AHN , Junhong LEE , Min-young JEONG
IPC分类号： H01M4/133 , H01M4/62 , H01M10/0525
摘要： A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative electrode includes: a current collector; a first negative active material layer disposed on one side of the current collector and including a first negative active material and a linear conductive material; and a second negative active material layer disposed on one side of the first negative active material layer and including a second negative active material.
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8.发明申请公开(公告)号：US20210408551A1
公开(公告)日：2021-12-30
申请号：US17359047
申请日：2021-06-25
发明人： Won-Gi AHN , Juhye BAE , Junhong LEE , Min-young JEONG
IPC分类号： H01M4/66 , H01M10/0525
摘要： A negative electrode for a rechargeable lithium battery includes a current collector and a negative active material layer on the current collector, wherein the negative active material layer includes a first region adjacent to the current collector and a second region not in contact with the current collector, the negative active material layer includes a carbonaceous material and a Si-based material including Si, and an amount of Si included in the negative active material layer is different in the first region and the second region.
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