A novel reference electrode for application in alkaline polymer electrolyte membrane fuel cells

被引：40
|
作者：
Zeng, Rong [1 ]
Poynton, Simon D. [1 ]
Kizewski, Jamie P. [1 ]
Slade, Robert C. T. [1 ]
Varcoe, John R. [1 ]
机构：
[1] Univ Surrey, Guildford GU2 7XH, Surrey, England
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2010年 / 12卷 / 06期
基金：
英国工程与自然科学研究理事会;
关键词：
Alkaline membrane fuel cell; Reference electrode; Pd-Pt electrode; Anode and cathode potentials; In-situ impedance spectrum; ANION-EXCHANGE MEMBRANE; HYDROGEN ABSORPTION; PALLADIUM; IMPEDANCE; INTERFACE; CATALYSTS;
D O I：
10.1016/j.elecom.2010.03.043
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
An in-situ fuel cell reference electrode (RE) consisting of a Pd-coated Pt wire exhibits stable potentials in alkaline polymer electrolyte membrane fuel cells (APEMFC). Results indicate that the overpotential and impedance of the anode are higher than those of the cathode in the cells tested (even at low currents): this is contrary to that found in proton-exchange membrane fuel cells (PEMFC) and it shows that caution is required when translating prior understating of PEMFC to APEMFC. The working hypothesis is that there is flooding-derived mass transport loss at the anode (where water is electro-generated). (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：823 / 825
页数：3
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