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用交替微波法制备了碳化钨与多壁碳纳米管复合材料(WC/MWCNT),以该材料为载体制备了Pd基催化剂(Pd-WC/MWCNT),并将催化剂用于醇的催化氧化反应.结果表明,Pd-WC/MWCNT催化剂对乙醇的催化氧化活性是Pd/C催化剂的5倍.交换电流密度测量和反应活化能计算表明,Pd-WC/WIWCNT催化剂对乙醇催化氧化的交换电流密度比Pd/C大两个数量级,反应活化能低一倍以上.Pd-WC/MWCNT催化剂催化氧化乙醇性能的大幅度提高是碳化钨与Pd颗粒的协同效应和碳纳米管的结构效应共同作用的结果.

参考文献

[1] Neugebauer J;Bartha L .[J].International Journal of Refractory Metals and Hard Materials,1995,13(1-3):1.
[2] Vertes G;Horanyi G;Szakacs S.[J].Journal of the Chemical Society Perkin Transactions Ⅱ,1973(10):1400.
[3] Horanyi G;Vertes G.[J].Journal of the Chemical Society Perkin Transactions Ⅱ,1975(08):827.
[4] Bohn H .[J].Nature,1970,227(5257):483.
[5] Hwu H H;Chen J G;Kourtakis K;Lavin J G .[J].Journal of Physical Chemistry B,2001,105(41):10037.
[6] Levy R B;Boudart M .[J].Science,1973,181(4099):547.
[7] Binder H;Kohling A;Kuhn W;Sandstede G .[J].Angewandte Chemie International Edition in English,1969,8(10):757.
[8] Zellner M B;Chen J G .[J].Catalysis Today,2005,99(3-4):299.
[9] Nikolov I;Nikolov V;Vitanov T;Swata M .[J].Journal of Power Sources,1979,4(05):65.
[10] Meng H;Shen PK .The beneficial effect of the addition of tungsten carbides to Pt catalysts on the oxygen electroreduction[J].Chemical communications,2005(35):4408-4410.
[11] 吴梅,魏子栋,沈培康.泡沫镍载碳化钨催化剂上的析氢反应[J].催化学报,2007(04):307-311.
[12] Gao L;Kear B H .[J].Nano-Structured Materials,1997,9(1-8):205.
[13] Arie T;Akita S;Nakayama Y .[J].Journal of Physics D:Applied Physics,1998,31(14):L49.
[14] Pol S V;Pol V G;Gedanken A .[J].Advanced Materials,2006,18(15):2023.
[15] Li G H;Ma C A;Tang J Y;Sheng J F .[J].Electrochimica Acta,2007,52(05):2018.
[16] Zheng HJ;Ma CN;Wang W;Huang JG .Nanorod tungsten carbide thin film and its electrocatalytic activity for nitromethane electroreduction[J].Electrochemistry communications,2006(6):977-981.
[17] Li G H;Ma C A;Tang J Y;Zheng Y F .[J].Materials Letters,2007,61(4-5):991.
[18] Li G H;Ma C A;Zheng Y F;Zhang W M .[J].Microporous and Mesoporous Materials,2005,85(03):234.
[19] Ganesan R;Lee J S .[J].Angewandte Chemie International Edition,2005,44(40):6557.
[20] Matsumoto T;Komatsu T;Arai K;Yamazaki T Kijima M Shimizu H Takasawa Y Nakamura J.[J].Chemical Communications,2004(07):840.
[21] Meng H;Shen P K .[J].Journal of Physical Chemistry B,2005,109(48):22705.
[22] Nie M;Shen P K;Wei Z D .[J].Journal of Power Sources,2007,167(01):69.
[23] Zengin H;Zhou W;Jin J;Czerw R,Smith Jr.DW,Echegoyen L,Carroll D L,Foulger S H,Ballato J .[J].Advanced Materials,2002,14(20):1480.
[24] Ajayan P M;Zhou O Z .[J].Topics in Applied Physics,2001,80:391.
[25] Collins,PG;Avouris,P .Nanotubes for electronics.[J].Scientific American,2000(6):62-69.
[26] 胡风平,沈培康.乙醇在碳修饰的二氧化钛纳米管负载的钯电催化剂上的催化氧化[J].催化学报,2007(01):80-84.
[27] Hu F P;Ding F W;Song S Q;Shen P K .[J].Journal of Power Sources,2006,163(01):415.
[28] Shen P K;Xu C W .[J].Electrochemistry Communications,2006,8:184.
[29] Xu C W;Tian Z Q;Shen P K;Jiang S P .[J].Electrochimica Acta,2008,53:2610.
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