发明授权
- 专利标题: Polyolefin microporous membrane and method of producing the same, separator for non-aqueous secondary battery and non-aqueous secondary battery
- 专利标题(中): 聚烯烃微孔膜及其制造方法,非水二次电池用隔膜和非水二次电池
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申请号: US13636605申请日: 2011-03-24
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公开(公告)号: US09034509B2公开(公告)日: 2015-05-19
- 发明人: Hiroki Sano , Satoshi Nishikawa , Takashi Yoshitomi
- 申请人: Hiroki Sano , Satoshi Nishikawa , Takashi Yoshitomi
- 申请人地址: JP Osaka
- 专利权人: TEIJIN LIMITED
- 当前专利权人: TEIJIN LIMITED
- 当前专利权人地址: JP Osaka
- 代理机构: Sughrue Mion, PLLC
- 优先权: JP2010-068117 20100324; JP2010-068118 20100324; JP2010-068119 20100324
- 国际申请: PCT/JP2011/057247 WO 20110324
- 国际公布: WO2011/118735 WO 20110929
- 主分类号: H01M2/16
- IPC分类号: H01M2/16 ; H01M2/18 ; B32B23/08 ; B32B27/08 ; B32B27/28 ; B32B27/32 ; B32B27/34 ; H01M2/14 ; H01M2/34 ; H01M10/0525 ; H01M10/0565
摘要:
The present invention provides a polyolefin microporous membrane in which a degree of crystallinity is from 60 to 85%, and a tie molecular volume fraction is from 0.7 to 1.7%.