Methanol-Blocking Perfluorosulfonic Acid Composite Membranes in Direct Methanol Fuel Cells

被引：0

作者：

Li Tao ^{[1
]}

Zhong Guiming ^{[1
]}

Yang Yong ^{[1
]}

机构：

[1] Xiamen Univ, Dept Chem, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China

来源：

PROGRESS IN CHEMISTRY | 2010年 / 22卷 / 2-3期

关键词：

direct methanol fuel cells; methanol blocking; composite membrane; proton selectivity; SOL-GEL REACTIONS; POLYMER ELECTROLYTE MEMBRANES; X-RAY-SCATTERING; PERFLUORINATED IONOMER MEMBRANES; NAFION/SILICA HYBRID MEMBRANE; ORMOSIL PHASE NANOSTRUCTURES; PROTON-EXCHANGE MEMBRANES; NAFION MEMBRANES; NANOCOMPOSITE MEMBRANES; TRANSPORT-PROPERTIES;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Perfluorosulfonic acid (PFSA) membrane (e.g. Nafion by Dupont) has been used as proton exchange membrane (PEM) for the DMFC. However, the disadvantage of methanol crossover through Nafion is one of the major problems in the application of DMFC. Recent research progress in methanol-blocking perfluorosulfonic acid composite membranes is reviewed in this paper. The effects of various inorganic/organic additives on the methanol permeability, the proton conductivity as well as the cell performance of the composite membranes have been summarized and compared. The transport mechanism of methanol and proton in the composite membranes is also discussed. In addition, future trends and the problems in the research for improving the proton selectivity of the composite membrane are reviewed and discussed.

引用

页码：522 / 536

页数：15

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