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Patent Searching and Data


Title:
ELECTROCHEMICAL ELEMENT SEPARATOR AND ELECTROCHEMICAL ELEMENT
Document Type and Number:
WIPO Patent Application WO/2019/167690
Kind Code:
A1
Abstract:
Provided is an electrochemical element separator suitable for extending the service life of an electrochemical element under high temperature conditions. This electrochemical element separator is disposed between a pair of electrodes and is for separating the two electrodes from each other and retaining an electrolytic solution, wherein the separator contains a cellulose-based fiber, and the limiting viscosity of the separator as measured by the measurement method specified in JIS P 8215 is in a range of 150-500 ml/g.

Inventors:
IGAWA Atsushi (648 Hirooka-Kami, Haruno-ch, Kochi-shi Kochi 95, 〒7810395, JP)
FUJIMOTO Naoki (648 Hirooka-Kami, Haruno-ch, Kochi-shi Kochi 95, 〒7810395, JP)
UETA Masahiko (648 Hirooka-Kami, Haruno-ch, Kochi-shi Kochi 95, 〒7810395, JP)
Application Number:
JP2019/005791
Publication Date:
September 06, 2019
Filing Date:
February 18, 2019
Export Citation:
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Assignee:
NIPPON KODOSHI CORPORATION (648 Hirooka-Kami, Haruno-cho Kochi-shi Kochi, 95, 〒7810395, JP)
International Classes:
H01G9/02; H01G11/52; H01M2/16
Foreign References:
JP2017117590A2017-06-29
JP2010277800A2010-12-09
JP2010239094A2010-10-21
Attorney, Agent or Firm:
SHIN-YU INTERNATIONAL PATENT FIRM (Sasazuka Center Bldg, 2-1-6 Sasazuka, Shibuya-k, Tokyo 73, 〒1510073, JP)
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