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US 12,586,796 B2Granted
Catalyst for fuel cell
AssigneesToyota Jidosha Kabushiki Kaisha, Cataler Corporation
InventorsRyo Shimizu, Akihiro Hori, Mikihiro Kataoka, Kenji Yamamoto, Michihisa Umezawa
Life of this patent
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Abstract
A catalyst for a fuel cell includes a carbon support including a micropore, and a metal supported on the carbon support. The metal is at least one of platinum and a platinum alloy, a specific surface area of the carbon support is 250 m2/g-carbon or more and 338 m2/g-carbon or less, and an area of the micropore of the carbon support is 48 m2/g-carbon or more and 74 m2/g-carbon or less.
Claims7
A catalyst for a fuel cell, the catalyst comprising:
- a carbon support having a micropore;
- and
- a metal supported on the carbon support, wherein
- the metal is at least one of platinum and a platinum alloy,
- a specific surface area of the carbon support is 250 m2/g-carbon or more and 338 m2/g-carbon or less;
- and
- an area of the micropore of the carbon support is 48 m2/g-carbon or more and 74 m2/g-carbon or less;
- and
- wherein the carbon support has an absolute corrosion amount of 8.0 wt % or less.
6 more elements
Dependencies are inferred from the claim text.