Well-Dispersed Pt Catalysts Supported on Porous Carbon Nanofibers for Improved Methanol Oxidation in Direct Methanol Fuel Cells
- Authors
- An, Geon-Hyoung; Ahn, Hyo-Jin
- Issue Date
- May-2014
- Publisher
- The Electrochemical Society
- Citation
- ECS Solid State Letters, v.3, no.7, pp M29 - M32
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- ECS Solid State Letters
- Volume
- 3
- Number
- 7
- Start Page
- M29
- End Page
- M32
- URI
- https://scholarworks.gnu.ac.kr/handle/sw.gnu/71334
- DOI
- 10.1149/2.0061407ssl
- ISSN
- 2162-8742
2162-8750
- Abstract
- Pt catalysts supported on porous carbon nanofibers (CNFs) were synthesized by a co-electrospinning followed by a reduction method, for improved methanol oxidation in direct methanol fuel cells (DMFCs). Pt catalysts supported on porous CNFs exhibit the highest electrocatalytic activity (524.09 mA/mgPt) and superior electrocatalytic stability as compared to Pt/conventional CNFs and commercial Pt/C (E-TEK), owing to the excellent dispersion of the Pt catalysts on the supporting porous CNFs. These results indicate that porous CNFs possessing a high specific surface area and a high total pore volume are promising candidates as supports for catalysts for improved methanol oxidation in DMFCs. (C) 2014 The Electrochemical Society. All rights reserved.
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