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Kim, Guntae
GUNS Lab
Research Interests
  • Solid Oxide Fuel Cells (SOFCs)& SOE, metal-air batteries, ceramic membranes, PEMFC

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Major Role of Surface Area in Perovskite Electrocatalysts for Alkaline Systems

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Title
Major Role of Surface Area in Perovskite Electrocatalysts for Alkaline Systems
Author
Hwang. ChahwanGwon, OhhunJo, HongilOk, Kang MinKim, Guntae
Issue Date
201703
Publisher
WILEY-V C H VERLAG GMBH
Citation
CHEMELECTROCHEM, v.4, no.3, pp.468 - 471
Abstract
We investigate the role of lanthanides and the surface area of perovskite oxides to determine the electrocatalytic properties in processes such as the oxygen reduction and evolution reactions. To evaluate the effects of A-site lanthanide and the surface area, a series of lanthanide-based perovskite nanoparticles (LnSCs) were successfully synthesized with simple co-precipitation methods, and electrochemical tests were carried out with the LnSCs. According to the results, the catalytic activities are not affected by the A-site lanthanides, but the surface area was found to be related to the current densities of the perovskite catalysts.
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DOI
http://dx.doi.org/10.1002/celc.201600755
ISSN
2196-0216
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ECHE_Journal Papers

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