An improved polymer electrolyte-based amperometric hydrogen sensor

被引：0
|
作者：
C. Ramesh
G. Velayutham
N. Murugesan
V. Ganesan
K. S. Dhathathreyan
G. Periaswami
机构：
[1] Indira Gandhi Centre for Atomic Research,Materials Chemistry Division
[2] Centre For Electrochemical & Energy Research,undefined
[3] Spic Science Foundation,undefined
来源：
Journal of Solid State Electrochemistry | 2003年 / 7卷
关键词：
Polymer electrolyte; Amperometric method; Hydrogen sensor; Diffusion barrier; Fuel cell;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
An improved polymer electrolyte membrane (PEM) fuel cell-based amperometric hydrogen sensor that operates at room temperature has been developed. The electrolyte used in the sensor is a PVA/H3PO4 blend, which is a proton-conducting solid polymer electrolyte. A thin film of palladium is used as the anode and platinum supported on carbon as the cathode. The sensor functions as a fuel cell, H2/Pd//PVA-H3PO4//Pt/O2, and the short-circuit current is found to be linearly related to the hydrogen concentration. The basic principle, details of assembly, response behaviour of the sensor and its application are discussed.
引用
收藏
页码：511 / 516
页数：5
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