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甲酸在钯微粒修饰聚苯胺电极上氧化的协同效应研究

Synergistic Effect of the Oxidation of Formic Acid at Polyaniline Electrodes Modified by Palladium Microparticles

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【作者】 钟起玲熊丽华钟志京李五湖

【Author】 Zhong Qiling; Xiong Lihua; Zhong Zhijing (Department of Chemistry Jiangxi Normal University Nanchang 330027)Li Wuhu (The State Key Laboratory for Physical Chemistry of Solid Surfacesy Xiamen University Xiamen 361005)

【机构】 江西师范大学化学系!南昌330027厦门大学固体表面物理化学国家重点实验室化学系!厦门361005

【Abstract】 Electrochemical oxidation of formic acid on PAN(Pd) electrode has been studied using conventional electrochemical tecdriques and the electrochemical in-situ FTIR.The process of electrochemical oxidation of PAN(Pd) electorde has been put forward. The kinetic parameters of different thickness of PAN film such as diffision coefficient (D0) and reaction rate constant(k0) have been calculated. Furthermore, the causes of the difference between PAN(Pd) and pure Pd(or Pt) electrodes as well as the high electrocatalytic activation of PAN(Pd) electrode for oxidation of fomic acid have also been discussed. The high catalytic activation of PAN(Pd) electrode for oxidation of formic acid probably comes from the synergistic effect of the subcatalytic interaction of PAN and the catalytic interaction of the palladium microparticles.

【基金】 国家教委基金
  • 【文献出处】 物理化学学报 ,Acta Physico-chimica Sinica , 编辑部邮箱 ,1996年04期
  • 【分类号】O646
  • 【被引频次】31
  • 【下载频次】132
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