| 发明名称 |
POLYOLEFIN POROUS MEMBRANE, BATTERY SEPARATOR OBTAINED USING SAME, AND METHOD OF PRODUCING SAME |
| 摘要 |
A polyolefin porous membrane disclosed. The membrane includes a plurality of protrusions of polyolefin having a size (W) of 5 μm≦W≦50 μm and a height (H) of 0.5 μm≦H. The protrusions are disposed on one side of the polyolefin porous membrane with a density of at least 3/cm2 and at most 200/cm2, and the polyolefin porous membrane has a thickness of at most 20 μm. A battery separator including the membrane is also disclosed. |
| 申请公布号 |
US2016013461(A1) |
申请公布日期 |
2016.01.14 |
| 申请号 |
US201414771165 |
申请日期 |
2014.02.12 |
| 申请人 |
TORAY BATTERY SEPARATOR FILM CO., LTD. |
发明人 |
MIZUNO Naoki;MATANO Koichi |
| 分类号 |
H01M2/16;H01M2/14;B29C37/00;B29C47/06;B29C47/88;H01M10/0525;B29C47/00 |
主分类号 |
H01M2/16 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A polyolefin porous membrane comprising:
a plurality of protrusions of polyolefin having a size (W) of 5 μm≦W≦50 μm and a height (H) of 0.5 μm≦H, wherein the protrusions are disposed on one side of the polyolefin porous membrane with a density of at least 3/cm2 and at most 200/cm2, and wherein the polyolefin porous membrane has a thickness of at most 20 μm. |
| 地址 |
Nasushiobara-shi, Tochigi JP |
