MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL

• Main Authors: KAWASHIMA, Tsutomu, IMURA, Shinichiro, YOSHIMOTO, Miyuki, EZAKI, Kenichi, MINAMIURA, Takeshi
• Format: Patent
• Language: English
• Published: 20.10.2022
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

A membrane electrode assembly for a fuel cell, the membrane electrode assembly including an electrolyte membrane, and a first electrode and a second electrode sandwiching the electrolyte membrane, wherein the first electrode includes a first catalyst layer and a first gas diffusion layer in order from the electrolyte membrane side, the first gas diffusion layer includes a first fibrous conductive member and a first resin material, the first catalyst layer includes a second fibrous conductive member, catalyst particles, and a second resin material, when viewed from a stacking direction of the membrane electrode assembly, a first angle formed by the first fibrous conductive member and a main flow path of a gas supplied to the membrane electrode assembly is arbitrary, and a second angle formed by the second fibrous conductive member and the main flow path is 45° or less.