ガス拡散層の製造方法

Japanese Patent JP7447780

B2

One aspect of the present disclosure relates to a method of producing a gas diffusion layer including a water repellent material dispersion preparation process in which a water repellent material, a viscosity adjusting agent and a solvent are mixed to obtain a water repellent material dispersion; an impregnation process in which a substrate is impregnated with the water repellent material dispersion; and a firing process in which the substrate impregnated with the water repellent material dispersion is fired, wherein the viscosity of the water repellent material dispersion in the water repellent material dispersion preparation process is 0.04 Pa·s@100 s−1 or more.

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Toyodai Sone
Ryosuke Maekawa

JP2020212633A

March 12, 2024

December 22, 2020

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Toyota Motor Corporation

H01M4/88

JP2009245872A
JP2007327092A

Patent Attorney Corporation Hiraki International Patent Office

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