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- W2497159312 abstract "Cathode catalysts without platinum group metals (PGMs) or carbon supports can reduce the price of proton exchange membrane fuel cells in automobiles, making them commercially competitive. In this paper, an inexpensive and PGM-free catalyst–amorphous nitrogen-doped TiO2-shell on TiN-core– was synthesized without carbon support. While existing PGM-free all-oxide catalysts without carbon support have shown moderate current densities (at the order of μA/cm2), the current density of this new catalyst is three orders of magnitude higher. Replacing commercial carbon support by hydrothermally synthesized Ti4O7 significantly enhanced the activity to be close to that of carbon-supported platinum. Although its conductivity and surface area were not sufficient for an accurate evaluation of its activity, these new results demonstrate the possibility of high-performance non-PGM catalysts without carbon supports." @default.
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- W2497159312 date "2016-10-01" @default.
- W2497159312 modified "2023-10-12" @default.
- W2497159312 title "A Carbon-Support-Free Titanium Oxynitride Catalyst for Proton Exchange Membrane Fuel Cell Cathodes" @default.
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- W2497159312 doi "https://doi.org/10.1016/j.electacta.2016.08.032" @default.
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