Promotion of ceria-modified Pt-Au/C cathode catalysts for oxygen reduction reaction by H2-induced surface segregation

Chen Wei Liu; Yu Chen Wei; Kuan Wen Wang

doi:10.1039/b920212a

Promotion of ceria-modified Pt-Au/C cathode catalysts for oxygen reduction reaction by H₂-induced surface segregation

Chen Wei Liu, Yu Chen Wei, Kuan Wen Wang

材料科學與工程研究所

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

22 引文斯高帕斯（Scopus）

摘要

The ORR activity of Ce-modified Pt₅₀Au₅₀/C alloy catalysts, compared to commercial Pt/C, can be promoted by H₂ treatment at 520 K due to the surface and structural alteration by reduction of surface oxides, an increase in the surface composition of metallic Pt, and H₂ induced surface Au segregation.

原文	???core.languages.en_GB???
頁（從 - 到）	2483-2485
頁數	3
期刊	Chemical Communications
卷	46
發行號	14
DOIs	https://doi.org/10.1039/b920212a
出版狀態	已出版 - 2010

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10.1039/b920212a

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AB - The ORR activity of Ce-modified Pt50Au50/C alloy catalysts, compared to commercial Pt/C, can be promoted by H2 treatment at 520 K due to the surface and structural alteration by reduction of surface oxides, an increase in the surface composition of metallic Pt, and H2 induced surface Au segregation.

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JF - Chemical Communications

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ER -

Promotion of ceria-modified Pt-Au/C cathode catalysts for oxygen reduction reaction by H2-induced surface segregation

摘要

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指紋

引用此

Promotion of ceria-modified Pt-Au/C cathode catalysts for oxygen reduction reaction by H₂-induced surface segregation