The role of Pt loading on reduced graphene oxide support in the polyol synthesis of catalysts for oxygen reduction reaction
International Journal of Hydrogen Energy, ISSN: 0360-3199, Vol: 45, Issue: 40, Page: 20594-20604
2020
- 19Citations
- 44Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
Common carbon-blacks have shown insufficient stability as cathodic catalyst supports for proton exchange membrane fuel cells (PEMFCs). In this regard, alternative supports have been proposed and, specifically graphene or reduced graphene oxide (rGO), have attracted special attention. Herein, a set of electrocatalysts using reduced graphene oxide (rGO) as support is synthetized by a modified polyol method. The influence of Pt loading on the support is studied and compared with conventional supports, considering Pt particle morphologies and oxygen reduction reaction (ORR) performance in rotating disk electrode (RDE). Despite Pt average particle size typically increases with the Pt loading, 30 wt% of Pt on rGO is the optimal Pt loading, yielding the highest ORR activity among the rGO-supported electrocatalysts. These results show that both Pt loading and type of support greatly impact on the morphology and electrochemical performance of Pt nanoparticles.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0360319920305036; http://dx.doi.org/10.1016/j.ijhydene.2020.02.022; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85080052010&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0360319920305036; https://dx.doi.org/10.1016/j.ijhydene.2020.02.022
Elsevier BV
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