Chemical tuning of electrochemical properties of Pt-skin surface for highly active oxygen reduction reactions

Title
Chemical tuning of electrochemical properties of Pt-skin surface for highly active oxygen reduction reactions
Authors
정남기정영훈정동영최광현박희영류재윤이상영김만수성영은유성종
Keywords
연료전지; PtNi; Core-shell; ORR
Issue Date
2013-10
Publisher
Physical chemistry chemical physics : PCCP
Citation
VOL 15, NO 40, 17079-17083
Abstract
Pt-skin surfaces were successfully fabricated by the chemical deposition of additional Pt on corrugated PtNi nanoparticles with Pt-skeleton surfaces. Compared to the use of heat annealing to form a Pt-skin, the chemically-tuned Pt-skin had higher Pt coordination number and surface crystallinity, which resulted in superior ORR activity and durability.
URI
http://pubs.kist.re.kr/handle/201004/45208
ISSN
14639076
Appears in Collections:
KIST Publication > Article
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