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首页> 外文期刊>Journal of power sources >A molecular molybdenum electrocatalyst for generating hydrogen from acetic acid or water
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A molecular molybdenum electrocatalyst for generating hydrogen from acetic acid or water

机译：用于从乙酸或水产生氢的分子钼电催化剂

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摘要

The reaction of 2-pyridylamino-N,N-bis(2-methylene-4,6-difluorophenol) (H_2L') and MoCl_5 affords a molybdenum(Ⅵ) complex [MoL'(O)_2] 1, a new molecular electrocatalyst, which has been determined by X-ray crystallography. Electrochemical studies show that a molybdenum(Ⅳ) intermediate is responsible for the reductive proton to generate H_2, and 1 can catalyze hydrogen evolution from acetic acid or aqueous buffer. Turnover frequency (TOF) reaches a maximum of 50.6 (in DMF) and 756 (in buffer, pH 6.0) moles of hydrogen per mole of catalyst per hour, respectively. Sustained proton reduction catalysis occurs at glassy carbon (GC) electrode to give H_2 over a 72 h electrolysis period and no observable decomposition of the catalyst.
机译：2-吡啶基氨基-N，N-双（2-亚甲基-4,6-二氟苯酚）（H_2L'）与MoCl_5的反应提供了一种钼（Ⅵ）络合物[MoL'（O）_2] 1，一种新的分子电催化剂由X射线晶体学确定。电化学研究表明，钼（Ⅳ）中间体负责还原质子生成H_2，并且1可以催化氢从乙酸或水性缓冲液中逸出。周转频率（TOF）每小时最多达到50.6（在DMF中）和756（在缓冲液中，pH 6.0）最大的氢气。持续的质子还原催化作用发生在玻碳（GC）电极上，在72小时的电解时间内产生H_2，并且没有可观察到的催化剂分解。

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  • 来源
    《Journal of power sources》 |2014年第25期|169-175|共7页
  • 作者

    Jie-Ping Cao; Ling-Ling Zhou; Ling-Zhi Fu; Shuzhong Zhan;

  • 作者单位

    College of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China;

    College of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China;

    College of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China;

    College of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Molybdenum(Ⅵ) catalyst; Molecular electrocatalyst; Water reduction; Hydrogen evolution;

    机译：钼（Ⅵ）催化剂;分子电催化剂;减水;析氢;

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