欢迎登录材料期刊网

材料期刊网

高级检索

采用电化学聚合法在铂电极表面制备了三维网状结构的聚苯胺(PAN)/聚砜(PSF)复合膜,并以此为载体制备了Pd/PAN/PSF复合膜电极,并用扫描电子显微镜对复合膜的微观形貌进行了表征.结果显示,此复合膜具有双层多孔结构,Pd纳米粒子在复合膜上平均粒径小、分散性好,有效地改善了Pd粒子的分散度和电极结构.电化学测试结果表明,Pd/PAN/PSF复合膜修饰电极对甲酸的电催化性能明显优于直接电沉积Pd的聚苯胺电极,并且表现出较高的稳定性.

参考文献

[1] Ha S,Larsen R,Zhu Y,et al.Direct Formic Acid Fuel Cells with 600 mA/cm2 at 0.4 V and 22 ℃[J].Fuel Cells,2004,4:337-343.
[2] Rhee Y W,Ha S Y,Masel R I,et al.Crossover of Formic Acid through Nafion Membranes[J].J Power Sources,2003,117:35-38.
[3] Zhu Y,Kang Y,Zou Z,et al.A Facile Preparation of Carbon-supported Pd Nanoparticles for Electrocatalytic Oxidation of Formic Acid[J].Electrochem Commun,2008,10:802-805.
[4] Mazumder V,Sun S.Oleylamine-mediated Synthesis of Pd Nanoparticles for Catalytic Formic Acid Oxidation[J].J Am Chem Soc,2009,131:4588-4589.
[5] ZHOU Rong,ZHANG Hongmei,DU Yukou,et al.Study on Electrodeposition of Pt-Au Bimetallic Catalysts and Their Electrocatalytic Oxidation for Formic Acid[J].Acta Chim Sin,2011,69 (13):1533-1539 (in Chinese).周蓉,张红梅,杜玉扣,等.电沉积Pt-Au双金属催化剂及其对甲酸的电催化研究[J].化学学报,2011,69(13):1533-1539.
[6] XI Caiming,SHI Yi,ZHAO Jiayue,et al.Electrocatalytic Oxidation of Formic Acid on the Carbon Supported Pd-Ni Alloy Nanoparticles[J].Chem J Chinese Univ,2011,32(6):1349-1353(in Chinese).奚彩明,施毅,赵佳越,等.炭载Pd-Ni合金纳米粒子对甲酸的电催化氧化[J].高等学校化学学报,2011,32(6):1349-1353.
[7] Kawaguchi T,Sugimoto W,Murakami Y.Temperature Dependence of the Oxidation of Carbon Monoxide on Carbon Supported Pt,Ru,and PtRu[J].Electrochem Commun,2004,6(5):480-483.
[8] CHEN Ying,TANG Yawen,GAO Ying,et al.Prepartion of Carbon Supported Pd Catalyst by Improved Liquid Phase Reduction Method[J].Chinese J Appl Chem,2009,26(8):985-988(in Chinese).陈滢,唐亚文,高颖,等.用改进液相还原法制备炭载Pd催化剂[J].应用化学,2009,26(8):985-988.
[9] Ge J J,Chen X M,Liu C P,et al.Promoting Effect of Vanadium Ions on the Anodic Pd/C Catalyst for Direct Formic Acid Fule Cell Application[J].Electrochim Acta,2010,55 (28):9132-9711.
[10] Zhang L,Li F.Helical Nanocoiled and Microcoiled Carbon Fibers as Effective Catalyst Supports for Electrooxidation of Methanol[J].Electrochim Acta,2010,55 (22):6695-6702.
[11] Sun Z P,Zhang X G,Tong H,et al.Sulfonation of Ordered Mesoporous Carbon Supported Pd Catalysts for Formic Acid Electrooxidation[J].J Colloid Interface Sci,2009,337:614-618.
[12] Yao Y L,Ding Y,Ye L S.Two-step Pyrolysis Process to Synthesize Highly Dispersed Pt Ru/carbon Nanotube Catalysts for Methanol Electrooxidation[J].Carbon,2006,44(1):61-66.
[13] NIU Yulian,XIAO Xueqing,GU Zhiguo,et al.Synthesis and Electrochemical Property of the Graphene/Pt Composities[J].Chinese J Inorg Chem,2011,28(4):751-756(in Chinese).牛玉莲,肖雪清,顾志国,等.石墨烯/铂复合材料的制备及电化学性能研究[J].无机化学学报,2011,28(4):751-756.
[14] Zhu J,Sattler R R,Garsuch A,et al.Optimisation of Polypyrrole/Nafion Composite Membranes for Direct Methanol Fuel Cells[J].Electrochim Acta,2006,51(19):4052-4060.
[15] Niu L,Li Q H,Wei F H.Electrochemical Impedance and Morphological Characterization of Platinum-modified Polyaniline Film Electrodes and Their Electrocatalytic Activity for Methanol Oxidation[J].J Electroanal Chem,2003,544(13):121-128.
[16] Liu Z L,Lee J Y,Chen W X,et al.Physical and Electrochemical Characterizations of Microwave-sssisted Polyol Preparation of Carbon-supported PtRu Nanoparticles[J].Langmuir,2004,20(1):181-187.
[17] Choi J H,Jeong K J,Dong Y J,et al.Electro-oxidation of Methanol and Formic Acid on PtRu and PtAu for Direct Liquid Fuel Cells[J].J Power Source,2006,163(1):71-75.
[18] NIU Fengjuan,YI Qingfeng,LIU Yunqing.Electrocatalytic Activity of Au Modified Nanoporous Palladium Electrode for Formic Aacid Oxidation[J].Chinese J Nonferrous Met,2011,21(8):1974-1979(in Chinese).牛凤娟,易清风,刘云清.金修饰纳米多孔Pd催化剂对甲酸氧化的电催化活性[J].中国有色金属学报,2011,21(8):1974-1979
[19] CaoC N,Zhang J Q.An Introduction to Electrochemical Impedance Spectroscopy[M].Beijing:Science Press,2002:90.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%