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电化学(中英文) ›› 2008, Vol. 14 ›› Issue (3): 292-297.  doi: 10.61558/2993-074X.1909

• 研究论文 • 上一篇    下一篇

泡沫镍负载Pd-Ir作为Al-H_2O_2半燃料阴极的研究

朱丁旺;陈丹丹;李必进;王贵领;曹殿学;   

  1. 哈尔滨工程大学材料科学与化学工程学院;
  • 收稿日期:2008-08-28 修回日期:2008-08-28 出版日期:2008-08-28 发布日期:2008-08-28

A Study of Pd-Ir on Nickel Foam Cathode for Aluminum-hydrogen Peroxide Semi-fuel Cells

ZHU Ding-wang,CHEN Dan-dan,LI Bi-jin,WANG Gui-ling,CAO Dian-xue   

  1. (College of Materials Science and Chemical Engineering,Harbin Engineering University,Harbin 150001,China
  • Received:2008-08-28 Revised:2008-08-28 Published:2008-08-28 Online:2008-08-28

摘要: 以泡沫镍为基体,应用电化学沉积法制备Pd-Ir/Ni复合催化剂.由SEM、XPS分析样品的表面形态、组成以及各组分的价态.电化学测试表明该催化剂对H2O2电还原具有较高的催化性能,当过氧化氢的浓度为0.4 mol/L时,极限电流密度可超过318 mA/cm2.以纯铝或其合金作阳极、Pd-Ir/Ni作阴极组装Al-H2O2半燃料电池,得出其最大放电功率可达198 mW/cm2.

关键词: 过氧化氢, 钯铱电催化剂, 电化学沉积, Al-H2O2半燃料电池

Abstract: The Pd-Ir/Ni electrodes were prepared by electrodeposition of Pd and Ir on the porous nickel foam surface.The structure,composition and state of the Pd-Ir catalyst were analyzed using SEM and XPS.The catalytic performance of Pd-Ir/Ni for H2O2 electroveduction at different concentrations of H2O2 were investigated.A limiting current density of 318 mA/cm2 was obtained with 0.4 mol/L H2O2.The aluminum-hydrogen peroxide semi-fuel cells using different aluminum alloys as anode and Pd-Ir/Ni as cathode were assembled and tested.It was found that the fuel cell with aluminum-manganese alloy anode demonstrated a maximum power density of 198mW/cm2 at 234mA/cm2.

Key words: hydrogen peroxide, Pd-Ir catalyst, electrodeposition, metal semi-fuel cell

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