Oxygen Reduction Catalysts for Alkaline Polymer Electrolyte Fuel Cells

被引：0
|
作者：
Maheswari, S. [1 ]
Selvarani, G. [1 ]
Sridhar, P. [1 ]
Pitchumani, S. [1 ]
Shukla, A. K. [2 ]
机构：
[1] CSIR, Cent Electrochem Res Inst, Madras Unit, CSIR Madras Complex, Madras 600113, Tamil Nadu, India
[2] Indian Inst Sci, Solid State & Struct Chem Unit, Bangalore 560012, Karnataka, India
来源：
POLYMER ELECTROLYTE FUEL CELLS 10, PTS 1 AND 2 | 2010年 / 33卷 / 01期
关键词：
SINGLE-CRYSTAL SURFACES; ELECTROCHEMICAL REDUCTION; CO OXIDATION; PLATINUM; NANOPARTICLES; CARBON; MECHANISM; ELECTROCATALYSIS; PARTICLES; PD;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Commercially available anion-exchange membranes are used in the Alkaline Polymer Electrolyte Fuel Cells (APEFCs) that are reported here. Ionic conductivity of the alkaline polymer electrolytes are measured by a c impedance. Incorporation of anion conducting ionomer in the catalyst layer of the membrane electrode assembly and its influence on the performance of APEFCs is studied. Pt/C is used as an anode catalyst while Pt/C or Pd/C or Au/C is used as the cathode catalyst for membrane electrode assemblies of APEFCs. The catalyst with maximum performance is characterized by linear sweep voltammetry, impedance in conjunction with cell polarization. APEFC comprising Pd/C delivers a peak power density of 55mW/cm(2) in relation to 40 mW/cm(2) and 1 mW/cm(2) delivered by APEFCs with Pt/C and Au/C anodes, respectively.
引用
收藏
页码：1795 / +
页数：3
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