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

页码：511 / 516

页数：5

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