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Pd-TiO_2/C催化剂对甲酸的电催化氧化 被引量：1

Formic acid oxidation on Pd/TiO_2/C catalyst
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摘要 用液相还原法制备Pd-TiO2/C催化剂。用循环伏安法(CV)和线性扫描法(LSV)考察了催化剂对甲酸的电催化氧化活性。通过计时电流曲线检测催化剂对甲酸的稳定性。结果表明Pd/TiO2/C催化剂中Pd粒子电化学比表面积增大,Pd-TiO2/C催化剂稳定,催化活性比Pd/C催化剂有较大幅度的提高。 The carbon supported Pd/TiO2/C and Pd/C catalysts were prepared with liquid phase reduction method. The catalysts have been characterized by cyclic voltammetry （CV）, linear sweep vohammet.ry （LSV） and Amperometrie i-t techniques. It was found that the electrocatalystic activity of Pd/TiO2/C catalyst was higher than that of Pd/C catalyst for the synergistic effect of TiO2. This is also attributed to the larger electrochemical specific surface area of Pd/TiO2/C.
作者 张瑀珩 孙广超 耿绍文 谷庆阳 许伟锋 高颖 邬冰
机构地区 哈尔滨师范大学化学化工学院 大庆石油学院华瑞学院
出处 《化学工程师》 CAS 2010年第4期4-5,12,共3页 Chemical Engineer
基金 国家自然科学基金(20573029) 黑龙江省自然科学基金(B200505) 黑龙江省教育厅基金(No11531243) 哈尔滨市青年基金资助项目(2007RFQXG059) 哈尔滨师范大学博士启动基金(KGB200812) 哈尔滨师范大学第四届大学生实践创新基金项目(2009011)
关键词 直接甲酸燃料电池 钯 二氧化钛 电催化氧化 direct formic acid fuel cell palladium titanium dioxide electrocatalytic-oxidation
分类号 TM911.4 [电气工程—电力电子与电力传动] O622.3 [理学—有机化学]
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参考文献7

  • 1Sudong Yang, Xiaogang Zhang, Hongyu Mi, Xiangguo Ye.Pd nanoparticles supported on functionalized multi-walled carbon nanotubes (MWCNTs) and electrooxidation for formic acid [J]. J. Power Sources, 2008,175:26-32.
  • 2S. Ha, B. Adams, R.I. Masel. A miniature air breathing direct formic acid fuel cell[J]. J Power Sources,2004,128:119-124.
  • 3Won Suk Jun, Jonghee Hana, S. Ha. Analysis of palladium-based anode electrode using electrochemical impedance spectra in direct formic acid fuel cells[J].J. Power Sources,2007,173:53-59.
  • 4Qingfeng Yi,Aicheng Chen,Wu Huang,Jingiing Zhang,Xiaoping Liu, Guorong Xu, Zhihua Zhou.Titanium-supported nanoporous bimetallic Pt Ir electrocatalysts for formic acid oxidation[J]. Electrochemistry Communications, 2007, ( 9 ) : 1513-1518.
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同被引文献6

  • 1Lingling Zhang, Yawen Tang, Jianchun Bao,et a/.A carbon-sup- ported Pd-P catalyst as the anodic catalyst in a direct formic acid fuel cell[J]. Power Sources, 2006,162: 177-179.
  • 2Weifeng Xu,Ying Gao,Tianhong Lu,et a/.Kinetic Study of Formic Acid Oxidation on Highly DispersedCarbon Supported Pd-TiO2 Electrocatalyst[ J ]. Catal Lett, 2009,130:312-317.
  • 3Guojie Zhang, Yanen Wang, Xin Wang,et d.Preparation of Pd-Au/C catalysts with different alloying degree and their electrocatalytic performance for formic acid oxidation[ J ].Applied Catalysis B,2011, 102:614-619.
  • 4DandanTu,Bing Wu,Bingxing Wang,et a/.A highly active car- bon-supported PdSn catalyst for formic acid electrooxidafion [Jl. Applied Catalysis B: Environmental, 2011,103 : 163-68.
  • 5Liping Shen, Huanzhi Li, Liang Lu, et a/.Improvement and mech- anism of eleetrocatalytic performance of Pd-Ni/C anodic catalyst in direct formicacidfuelcell[J].ElectrochimicaActa,2013,89:497-502.
  • 6许伟锋,刘宇,刘先军,高颖,邬冰.碳载体的碱处理对Pd/C催化剂电催化活性的影响[J].化学工程师,2010,24(8):10-12. 被引量：2

引证文献1

化学工程师
2010年 第4期

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