基本信息:
- 专利标题： 非水系二次電池用セパレータ及び非水系二次電池
- 专利标题（英）：SEPARATOR FOR NONAQUEOUS SECONDARY BATTERY AND NONAQUEOUS SECONDARY BATTERY
- 申请号：JP2020094558 申请日：2020-05-29
- 公开(公告)号：JP2021190311A 公开(公告)日：2021-12-13
- 发明人： 小林 勅三 , 櫻井 博志 , 西川 聡
- 申请人： 帝人株式会社
- 申请人地址： 大阪府大阪市北区中之島三丁目2番4号
- 专利权人： 帝人株式会社
- 当前专利权人： 帝人株式会社
- 当前专利权人地址： 大阪府大阪市北区中之島三丁目2番4号
- 代理人： 特許業務法人太陽国際特許事務所
- 主分类号： H01M50/409
- IPC分类号： H01M50/409
【選択図】なし
To provide a separator for a nonaqueous secondary battery, in which a curl causing deterioration of a handling ability at a battery manufacturing is prevented from deforming.SOLUTION: A separator for a nonaqueous secondary battery, comprises a heat-resistant resin layer containing at least one kind of heat-resistant resins selected from a group of whole aromatic polyamide, polyimide, and polyamide imide on a one face of a porous base material, and when the length of a machine direction MD is 1.2 m, the length of a width direction TD orthogonal to the MD is 60 mm, a shape curled to the TD so that the side having the heat-resistant resin layer of the porous base material and a surface on an opposite side are set to an inner side is included, and a curl amount W(mm) in the TD satisfies the following formula of 0
信息查询:
EspacenetIPC结构图谱:
| H | 电学 |
| --H01 | 基本电气元件 |
| ----H01M | 用于直接转变化学能为电能的方法或装置，例如电池组 |
| ------H01M50/00 | 除燃料电池外的电化学电池非活性部件的结构零部件或制造工艺，例如:混合电池 |
| --------H01M50/10 | .单个电池或电池组的初级电池箱、套或罩 |
| ----------H01M50/409 | ..以材料为特征的隔板，薄膜或膜片 |