Honda Motor Co., Ltd.

Takeo Abe

Narutoshi Sugita

Seiji Sugiura

Shuhei Goto

Masahiro Mohri

Hiromichi Yoshida

Takaki Nakagawa

Hiroshi Morikawa

Toshiya Wakahoi

Mikihiko Kimura

Ryugo Suzuki

Hiroyuki Shirokawa

A seal member is formed integrally on surfaces of a metal separator of a fuel cell. The seal member includes an outer seal and an inner seal provided on a surface of the metal separator. A plurality of closure seals are formed integrally with an inner edge of the inner seal. The closure seals close a space between the inner seal and a protrusion forming a fuel gas flow field.

Fuel cell having closure seal

A membrane electrode assembly includes an anode, a cathode, and a solid polymer electrolyte membrane interposed between the anode and the cathode. The membrane electrode assembly has a substantially rectangular shape as a whole. Extensions extend outwardly from four corners of the membrane electrode assembly. Each of the extensions has an inclined end to have a substantially triangle shape. The membrane electrode assembly has a substantially rectangular power generation area.

Membrane electrode assembly and fuel cell

Growing community of inventors

Wako, Japan

Takeo Abe