Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 19, Issue 1, Pages 46-59Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b808370c
Keywords
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Funding
- U. S. DOE-EERE Hydrogen Program [DE-AC05-76L01830]
- DOE's Office of Biological and Environmental Research and located at Pacific Northwest National Laboratory (PNNL).
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Catalyst support materials exhibit great influence on the cost, performance, and durability of polymer electrolyte membrane (PEM) fuel cells. This feature article summarizes several important kinds of novel support materials for PEM fuel cells (including direct methanol fuel cells): nanostructured carbon materials (carbon nanotubes, carbon nanofibers, mesoporous carbon), conductive doped diamonds and nanodiamonds, conductive oxides (tin oxide/indium tin oxide, titanium oxide, tungsten oxide), and carbides (tungsten carbides). The advantages and disadvantages, the acting mechanism to promote electrocatalytic performance, and the strategies to improve present catalyst support materials and search for new ones are discussed. This is expected to shed light on future development of catalyst supports for PEM fuel cells.
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