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Patent Searching and Data


Title:
METHOD OF HYDROPHOBIC TREATMENT OF CARBON SUBSTRATE
Document Type and Number:
Japanese Patent JP2017141153
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method for hydrophobic treatment of a carbon substrate.SOLUTION: The present invention comprises the following successive steps of: impregnating a carbon substrate with an aqueous solution containing an amorphous fluorinated copolymer of tetrafluoroethylene and of perfluoromethoxy dioxole; drying the carbon substrate at a pressure lower than the atmospheric pressure; and obtaining a carbon substrate impregnated with a fluorinated copolymer. Such a carbon substrate may be used as a gas diffusion layer in a fuel cell.SELECTED DRAWING: None

Inventors:
YOHANN THOMAS
HEITZMANN MARIE
JOEL PAUCHET
MAXIME SCHRODER
Application Number:
JP2017011914A
Publication Date:
August 17, 2017
Filing Date:
January 26, 2017
Export Citation:
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Assignee:
COMMISSARIAT ENERGIE ATOMIQUE
International Classes:
C01B32/15; C01B32/18; C01B32/182; H01M4/88; H01M4/96; H01M8/10
Attorney, Agent or Firm:
Murayama Yasuhiko
Shinya Mitsuhiro
Tatsuhiko Abe