| 摘要 |
A method of preparing a substrate by depositing a thin-film electrocatalyst of a platinum phosphate composite surface, the platinum phosphate composite surface being entirely oxygen reductive, onto the substrate through cyclic voltammetry. A method of preparing substrates for fuel cells by depositing the thin-film electrocatalyst onto at least one substrate of a membrane electrode assembly of a fuel cell through cyclic voltammetry. A method of reducing oxygen by depositing the thin-film electrocatalyst on a substrate cathode, and reducing oxygen by using the entire platinum phosphate composite surface of the thin-film electrocatalyst. A method of oxidizing methanol by depositing the thin-film electrocatalyst on a substrate cathode, reducing oxygen from air by using the entire platinum phosphate composite surface of the thin-film electrocatalyst, and oxidizing methanol on a anode.
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