| RuxCoySez纳米簇合物对阴极氧还原反应的催化性能 |
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| 引用本文： | 赵东江,尹鸽平,王振波,杜春雨,张生,魏杰.RuxCoySez纳米簇合物对阴极氧还原反应的催化性能[J].中国科学:化学,2011(12):1791-1797. |
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| 作者姓名： | 赵东江 尹鸽平 王振波 杜春雨 张生 魏杰 |
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| 作者单位： | [1]哈尔滨工业大学化工学院,哈尔滨150001 [2]绥化学院制药与化学工程系,绥化152061 [3]哈尔滨工业大学城市水资源与水环境国家重点实验室,哈尔滨150001 |
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| 基金项目： | 国家自然科学基金（50872027 21106024 21173062）; 国家高技术研究发展计划（2009AA05Z111）; 中央高校基本科研业务费专项资金（HIT.ICRST.2010006）致谢感谢审稿专家提出的宝贵意见.本工作得到国家自然科学基金（50872027,21106024,21173062）、国家高技术研究发展计划（2009AA052111）和中央高校基本科研业务费专项资金（HIT.ICRST.2010006）资助,特此致谢. |
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| 摘 要： | 以Ru3（CO）12、Co4（CO）12和Se为原料,采用低温回流技术在1,6-己二醇中合成了RuxCoySez纳米簇合物.利用SEM和XRD测试表征了催化剂的微观形貌和相结构,催化剂粉末以六方结构的Rux簇为主相,同时形成无定形相,呈现高度均匀聚集的纳米颗粒.利用旋转圆盘电极研究了催化剂对氧还原反应电催化活性.在0.5molL-1H2SO4溶液中,RuxCoySez催化剂对氧还原的催化活性和电化学稳定性明显高于RuxSey,开路电位达到0.91V（vs.NHE）.
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| 关 键 词： | 氧还原反应 Ru基硫族化合物 非Pt催化剂 聚合物电解质膜燃料电池 |
Catalytic performance of RuxCoySez nano-cluster towards cathode oxygen reduction reaction |
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| ZHAO DongJiang,YIN GePing,WANG ZhenBo,DU ChunYu,ZHANG Sheng,WEI Jie.Catalytic performance of RuxCoySez nano-cluster towards cathode oxygen reduction reaction[J].Scientia Sinica Chimica,2011(12):1791-1797. |
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| Authors: | ZHAO DongJiang YIN GePing WANG ZhenBo DU ChunYu ZHANG Sheng WEI Jie |
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| Institution: | 1 School of Chemical Engineering and Technology,Harbin Institute of Technology,Harbin 150001,China 2 Department of Medical and Chemical Engineering,Suihua University,Suihua 152061,China 3 State Key Laboratory of Urban Water Resource and Environment;Harbin Institute of Technology,Harbin 150001,China ) |
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| Abstract: | The RuxCoySez nanometric cluster was synthesized by reacting dodecacarbonyltriuthenium Ru3（CO）12],dodecacarbonyltetracobalt Co4（CO）12] and selenium in 1,6-hexanediol solvent under refluxing conditions.The phase structure and morphology of the synthesized catalyst was characterized by SEM and XRD techniques.The catalyst maintained the hexagonal structure of Rux cluster as the main phase,formed an amorphous phase and presented a high uniformity of agglomerated nanocrystalline particles.The electrocatalytic activity of the catalyst towards oxygen reduction reaction（ORR） was investigated by the rotating disk electrode（RDE） technique.The RuxCoySez catalyst showed higher catalytic activity towards ORR and electrochemical stability in 0.5 mol L-1 H2SO4 solution than that obtained with RuxSey,and had the open circuit potential of 0.91 V（vs.NHE）. |
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| Keywords: | oxygen reduction reaction Ru-based chalcogenides non-platinum catalyst polymer electrolyte membrane fuel cell |
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