采用改良的B(o)nnemann法合成了一系列新型炭载Pt-Ir-SnO2催化剂.电化学结果表明,在室温下新型电催化剂Pt-Iro.07-SnO2/C可有效断裂乙醇中C-C键,促进乙醇在低电位下完全氧化,其CO2生成量为Pt/C催化剂的2倍.另外,该三元催化剂显著增强乙醇的氧化反应,在室温下其电流密度为Pt/C的3倍.
参考文献
[1] | Song S;Tsiakaras P .[J].Applied Catalysis A:General,2006,63:187. |
[2] | Antolini E .[J].Journal of Power Sources,2007,170:1. |
[3] | Wang H;Jusys Z;Behm R J .[J].Journal of Physical Chemistry B,2004,108:19413. |
[4] | Camara GA;Iwasita T .Parallel pathways of ethanol oxidation: The effect of ethanol concentration[J].Journal of Electroanalytical Chemistry: An International Journal Devoted to All Aspects of Electrode Kinetics, Interfacial Structure, Properties of Electrolytes, Colloid and Biological Electrochemistry,2005(2):315-321. |
[5] | Rousseau S;Coutanceau C;Lamy C;Léger J M .[J].Journal of Power Sources,2006,158:18. |
[6] | Wang Q;Sun G Q;Jiang L H;Xin Q Sun S G Jiang Y X Chen S P Jusys Z Behm R J .[J].Physical Chemistry Chemical Physics,2007,9:2686. |
[7] | Jiang L H;Sun G Q;Sun S G;Liu J G Tang Sh H Li H Q Zhou B Xin Q .[J].Electrochimica Acta,2005,50:5384. |
[8] | 宋树芹,王毅,沈培康.直接乙醇燃料电池中乙醇电氧化过程的热力学和动力学考虑[J].催化学报,2007(09):752-754. |
[9] | de Souza J P I;Queiroz S L;Bergamaske K;Gonzalez E R Nart F C .[J].Journal of Physical Chemistry B,2002,106:9825. |
[10] | Li M;Kowal A;Sasaki K;Marinkovic N Su D Korach E Liu P Adzic R R .[J].Electrochimica Acta,2010,55:4331. |
[11] | Cao L;Sun GQ;Li HQ;Xin Q .Carbon-supported IrSn catalysts for a direct ethanol fuel cell[J].Electrochemistry communications,2007(10):2541-2546. |
[12] | Calegaro M L;Suffredini H B;Machado S A S;Avaca L A .[J].Journal of Power Sources,2006,156:300. |
[13] | Ribeiro J;dos Anjos D M;Kokoh K B;Coutanceau C Léger J M Olivi P de Andrade A R Tremiliosi-Filho G .[J].Electrochimica Acta,2007,52:6997. |
[14] | Fatih K;Neburchilov V;Alzate V;Neagu R Wang H .[J].Journal of Power Sources,2010,195:7168. |
[15] | Liang YM;Zhang HM;Zhong HX;Zhu XB;Tian ZQ;Xu DY;Yi BL .Preparation and characterization of carbon-supported PtRuIr catalyst with excellent CO-tolerant performance for proton-exchange membrane fuel cells[J].Journal of Catalysis,2006(2):468-476. |
[16] | Bnnemann H;Brijoux W;Brinkmann R;Dinjus E,Joussen T,Korall B .[J].Angew Chem IntEdEngl,1991,30:1312. |
[17] | Higuchi E;Miyata K;Takase T;Inoue H .[J].Journal of Power Sources,2011,196:1730. |
[18] | Liu Y;Mitsushima S;Ota K;Kamiya N .[J].Electrochimica Acta,2006,51:6503. |
[19] | Wu F;Murakami H;Yamabe-Mitarai Y;Harada H;Katayama H;Yamamoto Y .Electrodeposition of Pt-Ir alloys on nickel-base single crystal superalloy TMS-75[J].Surface & Coatings Technology,2004(1):24-30. |
[20] | Dean J A.Lange's Handbook of Chemistry.15th Ed[M].New York:McGraw-Hill,1999 |
[21] | Lee E;Murthy A;Manthiram A .[J].Electrochimica Acta,2011,56:1611. |
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