Journal
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume 14, Issue 2, Pages 1169-1180Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2014.9131
Keywords
Ceramic Oxides; Proton Exchange Membrane; Hybrid Membrane; Water Uptake; Proton Conductivity; PEM Fuel Cells
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Funding
- National Basic Research Development Program of China (973 Program) [2012CB215504]
- National Natural Science Foundation of China (NSFC) [51372186]
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This review reports on the functions and applications of nanoceramic oxides in proton exchange membrane fuel cells (PEMFCs). Such materials are mainly used as fillers to enhance the water uptake and proton conductivity of polymeric matrices at high temperatures under low relative humidity. To further enhance the mechanical property of proton exchange membranes (PEMs), the functionalized ceramic oxides with organic groups are introduced. Furthermore, the inorganic PEMs are developed to improve their proton conductivities at elevated temperatures. Due to the inherent disadvantages of polymeric PEMs, it is believed that the inorganic PEMs based on porous ceramic oxides are a promising new candidate as solid electrolyte membranes in PEMFCs at high temperatures and with low relative humidity.
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