Electrolyte membrane and method for producing same

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11276871
APP PUB NO 20190267655A1
SERIAL NO

16320354

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Abstract

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To provide an electrolyte membrane that exhibits high proton conductivity even at low humidity, the electrolyte membrane includes a composite membrane including: a microporous polyolefin membrane that has an average pore diameter of 1 to 1000 nm and a porosity of 50 to 90% and that can be impregnated with a solvent having a surface free energy of 28 mJ/m2 or more, and an electrolyte containing a perfluorosulfonic acid polymer having an EW of 250 to 850 loaded into the pores of the microporous polyolefin membrane, wherein the membrane thickness of the composite membrane is 1 to 20 μm.

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Patent Owner(s)

Patent OwnerAddress
TEIJIN LIMITEDOSAKA 530-0005
TOKYO INSTITUTE OF TECHNOLOGYTOKYO 152-8550
KANAGAWA INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGYEBINA-SHI KANAGAWA 243-0435

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Furuya, Koji Osaka, JP 27 137
Nanbu, Mami Osaka, JP 3 4
Ohashi, Hidenori Tokyo, JP 4 5
Ohno, Takao Osaka, JP 34 476
Oshiba, Yuhei Tokyo, JP 3 4
Tomatsu, Jin Tokyo, JP 4 4
Yamaguchi, Takeo Tokyo, JP 52 468

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