Invention Grant
- Patent Title: Micro-porous layer and manufacturing method therefor, gas diffusion electrode substrate, and fuel battery
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Application No.: US16763266Application Date: 2018-11-21
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Publication No.: US11621426B2Publication Date: 2023-04-04
- Inventor: Masamichi Utsunomiya , Kentaro Kajiwara , Fumitaka Watanabe , Yasuaki Tanimura
- Applicant: Toray Industries, Inc.
- Applicant Address: JP Tokyo
- Assignee: Toray Industries, Inc.
- Current Assignee: Toray Industries, Inc.
- Current Assignee Address: JP Tokyo
- Agency: RatnerPrestia
- Priority: JPJP2017-228745 20171129,JPJP2018-084883 20180426
- International Application: PCT/JP2018/042969 WO 20181121
- International Announcement: WO2019/107241 WO 20190606
- Main IPC: H01M4/02
- IPC: H01M4/02 ; H01M4/86 ; H01M4/88
Abstract:
The present invention provides a micro-porous layer which provides a fuel battery having high productivity, high power generation performance, and high durability. The present invention provides a micro-porous layer including fibrous carbohydrate having a fiber diameter of 5 nm-10 μm and an aspect ratio of 10 or more. The carbohydrate has an oxygen/carbon element ratio of 0.02 or more.
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