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US 12,506,157 B2Granted
Method of producing catalyst, catalyst, and fuel cell
AssigneeToyota Boshoku Kabushiki Kaisha
InventorsHiroshi Yano, Kouta Iwasaki
Life of this patent
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Abstract
Disclosed is a method of producing a catalyst. The method includes: dispersing, in an acid solution, a composite in which a plurality of raw material microparticles containing a noble metal is supported on a carbon support doped with a nitrogen atom and a first transition metal atom; immersing a noble metal member in the acid solution; and alternately blowing a first gas containing an oxidizing gas and a second gas containing a reducing gas into the acid solution.
Claims16
A method of producing a catalyst, comprising:
- dispersing, in an acid solution, a composite in which a plurality of raw material microparticles containing a noble metal is supported on a carbon support doped with a nitrogen atom and a first transition metal atom;
- immersing a noble metal member in the acid solution;
- and
- alternately blowing a first gas containing an oxidizing gas and a second gas containing a reducing gas into the acid solution.
1 more element
A catalyst produced by
- dispersing, in an acid solution, a composite in which a plurality of raw material microparticles containing a noble metal is supported on a carbon support doped with a nitrogen atom and a first transition metal atom,
- immersing a noble metal member in the acid solution, and
- alternately blowing a first gas containing an oxidizing gas and a second gas containing a reducing gas into the acid solution.
Dependencies are inferred from the claim text.