Nafion/Tin Oxide Composite Membranes for Direct Methanol Fuel Cells

被引：4
|
作者：
Chen, F. [1 ]
D'Epifanio, A. [1 ]
Mecheri, B. [1 ]
Traversa, E. [1 ]
Licoccia, S. [1 ]
机构：
[1] Univ Roma Tor Vergata, Dept Chem Sci & Technol, I-00133 Rome, Italy
来源：
PROTON EXCHANGE MEMBRANE FUEL CELLS 9 | 2009年 / 25卷 / 01期
关键词：
D O I：
10.1149/1.3210749
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Composite Nafion-based membranes were prepared and characterized, using hydrated tin oxide as a filler. Water Uptake and proton conductivity were measured as a function of temperature. Methanol crossover through reference Nafion and composite membranes was evaluated by a voltametric method and the electrochemical performance of the membranes was assessed by tests in a single direct methanol fuel cell (DMFC). The formation of the composite improved the properties of Nafion matrix in terms of methanol crossover and DMFC performance, allowing to identify Nafion membrane with 10wt% tin oxide as a suitable electrolyte to be used in a DMFC device operating at T >= 90 degrees C.
引用
收藏
页码：1935 / 1941
页数：7
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