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Pd-Based Multicomponent Nanoporous Metals with Enhanced Electrocatalytic Performance Prepared by Dealloying Metallic Glass
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Pd-Based Multicomponent Nanoporous Metals with Enhanced Electrocatalytic Performance Prepared by Dealloying Metallic Glass
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National Natural Science Foundation of China (51001026); Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry (6812000013); The Project-sponsored by Nanjing for Returned Overseas Chinese Scholars (7912000011); Opening Project of Jiangsu Key Laboratory of Advanced Metallic Materials (AMM201101)

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    摘要:

    为获得具有高催化活性的多元掺杂纳米多孔Pd,将Pd20Ni60P20金属玻璃作为预合金,在H2SO4+H3PO4混合酸溶液中以不同过电位进行电化学脱合金处理,制得Ni和P共掺的Pd基多元纳米多孔金属。该多孔金属的成分和孔径均可通过过电位进行调节。与市售碳负载的纳米Pd催化剂相比,临界电位下脱合金获得的Pd基纳米多孔金属在对甲酸的催化中表现出了更高的催化活性。

    Abstract:

    Pd-based multicomponent nanoporous metals were fabricated by electrochemically dealloying Pd20Ni60P20 metallic glass in an acid solution. The compositions and the pore size of the nanoporous metals were controlled by tuning the dealloying overpotential. The Pd-based nanoporous metal dealloyed at the critical potential presents superior electrocatalytic performances in formic acid electro-oxidation in comparison with the commercial Pd/C catalyst.

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曾宇乔,董小真,杨春雷,陈庐阳,陈明伟,井上明久,张旭海,蒋建清. Pd-Based Multicomponent Nanoporous Metals with Enhanced Electrocatalytic Performance Prepared by Dealloying Metallic Glass[J].稀有金属材料与工程,2015,44(1):54~57.[Zeng Yuqiao, Dong Xiaozhen, Yang Chunlei, Chen Luyang, Chen Mingwei, Akihisa Inoue, Zhang Xuhai, Jiang Jianqing. Pd-Based Multicomponent Nanoporous Metals with Enhanced Electrocatalytic Performance Prepared by Dealloying Metallic Glass[J]. Rare Metal Materials and Engineering,2015,44(1):54~57.]
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  • 收稿日期:2014-01-18
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  • 在线发布日期: 2015-05-22
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