Invention Grant
- Patent Title: Microporous membranes, methods for making such membranes, and the use of such membranes as battery separator film
- Patent Title (中): 微孔膜，制造这种膜的方法以及使用这种膜作为电池隔膜
-
Application No.: US13322631Application Date: 2010-06-08
-
Publication No.: US08951677B2Publication Date: 2015-02-10
- Inventor: Takeshi Ishihara , Satoshi Miyaoka , Koichi Kono , Patrick Brant
- Applicant: Takeshi Ishihara , Satoshi Miyaoka , Koichi Kono , Patrick Brant
- Applicant Address: JP
- Assignee: Toray Battery Separator Film Co., Ltd.
- Current Assignee: Toray Battery Separator Film Co., Ltd.
- Current Assignee Address: JP
- Agency: DLA Piper LLP (US)
- Priority: EP09168193 20090819
- International Application: PCT/US2010/037755 WO 20100608
- International Announcement: WO2010/147798 WO 20101223
- Main IPC: H01M2/16
- IPC: H01M2/16 ; B32B27/32 ; H01M2/14 ; H01M10/0525
Abstract:
The present invention relates to microporous membranes comprising polymer and having well-balanced permeability and heat shrinkage, especially heat shrinkage at elevated temperature. The invention also relates to methods for making such membranes, and the use of such membranes as battery separator film in, e.g., lithium ion secondary batteries.
Public/Granted literature
Information query
