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The effect of cerium oxide nanoparticles on a Pt/C electrocatalyst synthesized by a continuous two-step process for low-temperature fuel cell

Cited 61 time in Web of Science Cited 61 time in Scopus
Authors

Lim, Dong-Ha; Lee, Weon-Doo; Choi, Dong-Hyeok; Kwon, Heock-Hoi; Lee, Ho-In

Issue Date
2008
Publisher
Elsevier
Citation
Electrochemistry Communications 10 (2008) 592–596
Keywords
Low-temperature fuel cellOxygen reduction reactionCathode electrocatalystCerium oxideTwo-step process
Abstract
An effective method was developed for preparing highly dispersed CeO2 nanoparticle on a Pt/C catalyst synthesized by a continuous
two-step process. From the XRD patterns, the diffraction pattern of the 20Pt–10CeO2/C catalyst revealed that both crystalline Pt and
CeO2 phases coexisted. The TEM images show that the Pt and CeO2 nanoparticles were well-dispersed on the surface of the carbon support,
which is known to be important for activity in the ORR test. In the ORR and single-cell tests, the 20Pt–10CeO2/C catalyst showed
higher performance than a commercial 20Pt/C catalyst, owing to the oxygen storage capacity of CeO2 and its ability to rapidly exchange
oxygen with oxygen in the buffer.
ISSN
1388-2481
Language
English
URI
https://hdl.handle.net/10371/61294
DOI
https://doi.org/10.1016/j.elecom.2008.02.001
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