公开(公告)号：US20170069882A1

公开(公告)日：2017-03-09

申请号：US15355715

申请日：2016-11-18

Applicant: Sony Corporation

Inventor： Kazuhito HATTA ,  Mashio SHIBUYA

IPC: H01M2/02 ,  B32B27/36 ,  B32B15/20 ,  B32B15/085 ,  B32B27/32 ,  B32B5/14 ,  B32B7/12 ,  B29C65/08 ,  B29C65/02 ,  B29C65/00 ,  B32B15/088 ,  B32B15/09 ,  H01M10/04 ,  H01M2/08 ,  H01M2/16 ,  H01M10/0587 ,  B32B27/34

CPC classification number: H01M2/0287 ,  B29C65/02 ,  B29C65/08 ,  B29C65/18 ,  B29C66/1122 ,  B29C66/32 ,  B29C66/41 ,  B29C66/433 ,  B29C66/71 ,  B29C66/72321 ,  B29C66/7352 ,  B29C66/81431 ,  B29C66/83221 ,  B29K2023/12 ,  B29K2623/12 ,  B29K2655/00 ,  B29K2705/02 ,  B29L2031/3468 ,  B29L2031/7146 ,  B32B5/142 ,  B32B7/12 ,  B32B15/08 ,  B32B15/085 ,  B32B15/088 ,  B32B15/09 ,  B32B15/20 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  B32B2250/03 ,  B32B2255/06 ,  B32B2274/00 ,  B32B2323/10 ,  B32B2367/00 ,  B32B2457/10 ,  B32B2553/00 ,  H01M2/021 ,  H01M2/026 ,  H01M2/0267 ,  H01M2/0277 ,  H01M2/0285 ,  H01M2/029 ,  H01M2/06 ,  H01M2/08 ,  H01M2/162 ,  H01M2/1653 ,  H01M2/1673 ,  H01M4/06 ,  H01M4/13 ,  H01M4/131 ,  H01M4/133 ,  H01M4/623 ,  H01M4/625 ,  H01M4/661 ,  H01M6/02 ,  H01M6/164 ,  H01M6/166 ,  H01M6/181 ,  H01M10/0431 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0587 ,  H01M2220/30 ,  H01M2300/0037 ,  H01M2300/0082 ,  Y02E60/122 ,  B29K2077/00 ,  B29K2067/003

Abstract: A cell is provided. The cell includes a cell element including a positive electrode, a negative electrode, an electrolyte and a laminate film including an exterior layer, a metal layer, an interior layer, and a welded layer formed of the interior layer; wherein a thickness of the welded layer is larger than 5 μm in a flat portion of the interior layer, wherein the welded layer increases in thickness from the flat portion to an end portion of the welded layer, and wherein when a thickness of the laminate film is t, a thickness of the interior layer is p and a thickness of the laminate film in the welded layer is t1, a following equation is satisfied: t×2−p×2+5

Abstract translation: 提供电池。 电池包括包含正电极，负极，电解质的电池元件和包括外层，金属层，内层和由内层形成的焊接层的层压膜; 其中所述焊接层的厚度在所述内层的平坦部分中大于5μm，其中所述焊接层的厚度从所述焊接层的平坦部分延伸到所述端部，并且其中当所述层叠膜的厚度 为t，内层的厚度为p，层叠膜的焊接层的厚度为t1，满足下式：t×2-p×2 + 5