Development of novel mesoporous proton exchange membranes for fuel cells
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Novel proton exchange membranes were developed with high proton conductivity at low relative humidity or anhydrous conditions for elevated temperature fuel cell applications. It was achieved by introducing mesoporous structure into Nafion and fabricating new types of mesoporous inorganic/organic hybrid composite membranes based on amino or heteropolyacid functionalized mesoporous silica/polymer like into PES-PVP or PA/PBI composite. Moreover, exceptionally durability for PA/PBI composite membrane at 200 oC was realized as milestone for fuel cell development.
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