Journal
ADVANCED ENERGY MATERIALS
Volume 8, Issue 20, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201703597
Keywords
ethanol electrooxidation; formic acid electrooxidation; oxygen reduction reaction; Pt-based bimetallic; surface composition
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Funding
- Australian Research Council (ARC) [DE170100928]
- Commonwealth of Australia through the Automotive Australia 2020 Cooperative Research Centre (Auto CRC)
- Baosteel-Australia Joint Research and Development Center [BA14006]
- ARC [LE0882813, LE0237478]
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With increasing energy demands worldwide, significant efforts have been made to develop superior electrocatalysts for efficient energy conversion systems. Among all the electrocatalysts exploited, Pt-based bimetallic nanomaterials stand out by virtue of their high catalytic activity and relatively low cost due to the introduction of a nonprecious metal component. It should be noted that electrocatalytic reactions only take place on the surface of catalysts, so investigations of the surface composition of Pt-based bimetallic nanomaterials are necessary for practical electrocatalysts. In this review, recent studies on controlling the surface composition of Pt-based bimetallic catalysts for the oxygen reduction reaction, formic acid electrooxidation, and ethanol electrooxidation are summarized. The controlling strategies, including the chemical method and the electrochemical method, are discussed. The impacts of surface composition compositions on the electrocatalytic performance are also discussed. Finally, the challenges and future directions for controlling the surface composition of Pt-based bimetallic nanomaterials are addressed.
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