H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 4/92 (2006.01) H01M 4/86 (2006.01) H01M 4/88 (2006.01) H01M 8/04 (2006.01) H01M 8/10 (2006.01)
Patent
CA 2411763
In a powder-form electrode catalyze for a fuel cell which comprises catalyst particles that contain platinum, and an electrically conductive support supporting the catalyst particles, the ratio between a mean value D111 of crystallite diameters of catalyst particles in a direction perpendicular to a (111) crystal face and a mean value D100 of crystallite diameters of the catalyst particles in a direction perpendicular to a (100) crystal face is D100/D11 < 1, and a mean crystallite diameter of the catalyst particles is at most 5 nm. Due to a large surface area that functions as a catalyst and a great proportion of the catalyst particles that have (100) crystal faces present on surfaces, the electrode catalyze has high oxygen reduction activity.
Asaoka Takahiko
Hiroshima Kazutaka
Kato Hisao
Nagami Tetsuo
Noritake Tatsuo
Gowling Lafleur Henderson Llp
Toyota Jidosha Kabushiki Kaisha
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