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나노입자 연구단
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PtPdCo ternary electrocatalyst for methanol tolerant oxygen reduction reaction in direct methanol fuel cell

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Title
PtPdCo ternary electrocatalyst for methanol tolerant oxygen reduction reaction in direct methanol fuel cell
Author(s)
Yoon-Hwan Cho; Kim O.-H.; Dong Young Chung; Choe H.; Cho Y.-H.; Yung Eun Sung
Publication Date
2014-07
Journal
APPLIED CATALYSIS B-ENVIRONMENTAL, v.154-155, no., pp.309 - 315
Publisher
ELSEVIER SCIENCE BV
Abstract
Carbon-supported PtPdCo/C ternary electrocatalysts were prepared by using the sodium borohydride method for use as a cathode catalyst in direct methanol fuel cells (DMFCs). The electrocatalyst particles with a size of 2-3. nm were uniformly dispersed on carbon supports. PtPdCo/C showed a similar performance compared to commercial Pt/C in the oxygen reduction reaction (ORR) tests conducted with a rotating disk electrode (RDE). On the other hand, PtPdCo/C showed higher methanol tolerance than Pt/C in acidic media with methanol. In the single-cell tests, the performance of the PtPdCo/C electrocatalyst was approximately 50% higher than that of Pt/C owing to its enhanced methanol tolerance. In the long-term operation test with the single-cell, the maximum power density of PtPdCo/C decreased only by 14% from its initial value. These results indicate that the PtPdCo/C catalyst is potentially an alternative electrocatalyst for the cathode in DMFCs. © 2014 Elsevier B.V.All rights reserved.
URI
https://pr.ibs.re.kr/handle/8788114/992
ISSN
0926-3373
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > Journal Papers (저널논문)
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