Anhydrous Proton Conducting Hybrid Membrane Electrolytes for High Temperature (>100°C) Proton Exchange Membrane Fuel Cells

被引：14
|
作者：
Lakshminarayana, G. [1 ]
Vijayaraghavan, R. [2 ]
Nogami, Masayuki [1 ]
Kityk, I. V. [3 ]
机构：
[1] Nagoya Inst Technol, Dept Mat Sci & Engn, Showa Ku, Nagoya, Aichi 4668555, Japan
[2] VIT Univ, Sch Adv Sci, Div Mat, Vellore 632014, Tamil Nadu, India
[3] Czestochowa Technol Univ, Dept Elect Engn, Czestochowa, Poland
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2011年 / 158卷 / 04期
关键词：
SENSITIZED SOLAR-CELLS; IONIC LIQUID ELECTROLYTE; POLYMER ELECTROLYTES; COMPOSITE MEMBRANES; 12-PHOSPHOTUNGSTIC ACID; TRANSPORT-PROPERTIES; ZIRCONIUM-PHOSPHATE; NAFION; ORGANIZATION; IMIDAZOLE;
D O I：
10.1149/1.3546041
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Anhydrous proton conducting hybrid membranes were prepared by the sol-gel process with trimethoxysilane (TMOS)/trimethoxypropylsilane (TMPS)/triethyl phosphate (TEP) and BMIMBF(4) ionic liquid as precursors. The Fourier transform infrared and NMR measurements have shown good chemical stability of these hybrid membranes. Average pore sizes and specific surface areas were investigated by the Brunauer-Emmett-Teller method. Thermogravimetric analysis and differential thermal analysis measurements confirmed that the hybrid membranes were thermally stable up to 250 degrees C. Maximum anhydrous conductivity of 6.4 x 10(-3) S/cm was obtained for 40 wt % ionic liquid based hybrid membrane, at 150 degrees C, with a hydrogen permeability value of 0.8 x 10(-12) mol/cm s Pa. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3546041]
引用
收藏
页码：B376 / B383
页数：8
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