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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
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Cited 61 time in Scopus
- Authors
- Issue Date
- 2008
- Publisher
- Elsevier
- Citation
- Electrochemistry Communications 10 (2008) 592–596
- Keywords
- Low-temperature fuel cell ; Oxygen reduction reaction ; Cathode electrocatalyst ; Cerium oxide ; Two-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
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