A Facile Route to Fabricate Effective Pt/IrO2 Bifunctional Catalyst for Unitized Regenerative Fuel Cell. Kong, F., Zhang, S., Yin, G., Liu, J., & Ling, A. Catalysis Letters, 144(2):242–247, February, 2014. WOS:000330951900008doi abstract bibtex In order to fabricate effective bifunctional oxygen catalyst, IrO2 nanoparticles have been synthesized by hydrothermal method, and Pt/IrO2 bifunctional catalyst is then prepared by a microwave-assisted polyol process. X-ray diffraction and transmission electron microscopy are employed to characterize the catalysts, which reveal that Pt with a particle size of 2-3 nm is deposited on IrO2 surface. Electrochemical tests indicate that Pt/IrO2 bifunctional catalyst possesses much higher catalytic activity and durability towards both oxygen reduction reaction and oxygen evolution reaction than pure Pt or pure IrO2. Kinetic analysis shows that the oxygen reduction reaction on Pt/IrO2 catalyst mainly follows four-electron pathway.
@article{kong_facile_2014,
title = {A {Facile} {Route} to {Fabricate} {Effective} {Pt}/{IrO2} {Bifunctional} {Catalyst} for {Unitized} {Regenerative} {Fuel} {Cell}},
volume = {144},
issn = {1011-372X},
doi = {10.1007/s10562-013-1150-z},
abstract = {In order to fabricate effective bifunctional oxygen catalyst, IrO2 nanoparticles have been synthesized by hydrothermal method, and Pt/IrO2 bifunctional catalyst is then prepared by a microwave-assisted polyol process. X-ray diffraction and transmission electron microscopy are employed to characterize the catalysts, which reveal that Pt with a particle size of 2-3 nm is deposited on IrO2 surface. Electrochemical tests indicate that Pt/IrO2 bifunctional catalyst possesses much higher catalytic activity and durability towards both oxygen reduction reaction and oxygen evolution reaction than pure Pt or pure IrO2. Kinetic analysis shows that the oxygen reduction reaction on Pt/IrO2 catalyst mainly follows four-electron pathway.},
language = {English},
number = {2},
journal = {Catalysis Letters},
author = {Kong, Fan-Dong and Zhang, Sheng and Yin, Ge-Ping and Liu, Jing and Ling, Ai-Xia},
month = feb,
year = {2014},
note = {WOS:000330951900008},
keywords = {Bifunctional oxygen catalyst, Iridium dioxide, Iridium dioxide supported platinum, PERFORMANCE, Unitized regenerative fuel cell, electrocatalyst, electrode, nanocomposite, oxidation, oxygen reduction, power, systems},
pages = {242--247},
}
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