- 专利标题: Negative electrode of rechargeable battery and manufacturing method thereof
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申请号: US15833392申请日: 2017-12-06
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公开(公告)号: US10263247B2公开(公告)日: 2019-04-16
- 发明人: Jinhyon Lee , Bokhyun Ka , Kyeuyoon Sheem , Soonho Ahn
- 申请人: SAMSUNG SDI CO., LTD.
- 申请人地址: KR Yongin-si, Gyeonggi-do
- 专利权人: SAMSUNG SDI CO., LTD.
- 当前专利权人: SAMSUNG SDI CO., LTD.
- 当前专利权人地址: KR Yongin-si, Gyeonggi-do
- 代理机构: Lee & Morse, P.C.
- 优先权: KR10-2016-0166096 20161207
- 主分类号: H01M4/02
- IPC分类号: H01M4/02 ; H01M4/133 ; H01M4/1393 ; H01M4/04 ; H01M4/22
摘要:
A method for manufacturing a negative electrode of a rechargeable battery includes coating a first active mass on a first surface of a substrate, aligning a first graphite material in the first active mass, and coating a second active mass on a second surface of the substrate. The second active mass includes a second graphite material. The method also includes aligning the second graphite material and pressing the first and second graphite material. The alignment operations are performed by applying magnetic fields, so that a first long axis of the first graphite material forms a first acute angle with the first surface and a second long axis of the second graphite material forms a second acute angle with the second surface. The second long axis is inclined in a direction facing the first long axis, with the substrate therebetween.
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