基本信息:
- 专利标题： SECONDARY BATTERY AND MANUFACTURING METHOD FOR THE SAME
- 申请号：EP23202875.3 申请日：2023-10-11
- 公开(公告)号：EP4358169A3 公开(公告)日：2024-06-05
- 发明人： LI, Ximeng , YAMASAKI, Hisatsugu , KON, Makio , MATSUNAGA, Tomoya
- 申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA
- 申请人地址： JP Toyota-shi, Aichi-ken, 471-8571 1, Toyota-cho
- 专利权人： TOYOTA JIDOSHA KABUSHIKI KAISHA
- 当前专利权人： TOYOTA JIDOSHA KABUSHIKI KAISHA
- 当前专利权人地址： JP Toyota-shi, Aichi-ken, 471-8571 1, Toyota-cho
- 代理机构： D Young & Co LLP
- 优先权： JP 2022168534 2022.10.20
- 主分类号： H01M4/04
- IPC分类号： H01M4/04 ; H01M4/46 ; H01M4/134 ; H01M4/136 ; H01M4/1395 ; H01M4/1397 ; H01M4/38 ; H01M4/40 ; H01M4/58 ; H01M10/0525 ; H01M10/0562
摘要：
Disclosed is a secondary battery comprising a metallic lithium negative electrode and having excellent coulombic efficiency. The secondary battery of the present disclosure comprises a positive electrode active material layer, a solid electrolyte layer, and a negative electrode active material layer, wherein the negative electrode active material layer comprises a first substance and a second substance, wherein the first substance is at least one of an alloy of Li and an element X and a compound of Li and the element X; the second substance is at least one of a simple substance of a metal element M, an alloy of Li and the metal element M, and a compound of Li and the metal element M; and a formation energy ELiX of the first substance is lower than a formation energy EMX of the compound of the metal element M and the element X.
公开/授权文献:
- EP4358169A2 SECONDARY BATTERY AND MANUFACTURING METHOD FOR THE SAME 公开/授权日：2024-04-24