DataVXACS Applied Energy MaterialsPaper
journal article·2019-10-28

Concave Cubic Pt–Sm Alloy Nanocrystals with High-Index Facets and Enhanced Electrocatalytic Ethanol Oxidation

Lu Wei, Yu-Jie Mao, Feng Liu, Tian Sheng, Yong-Sheng Wei, Jian-Wei Li, You-Jun Fan, Xin-Sheng Zhao

ACS Applied Energy Materials· Volume 2· Issue 10
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Source abstract

Abstract

Concave cubic Pt90Sm10 alloy nanocrystals (NCs) enclosed by high-index {310} facets were constructed by a facile electrochemical method in a choline chloride-urea (ChCl-U)-based deep eutectic solvent (DES). It was demonstrated that the concave cubic Pt90Sm10 alloy NCs with high-index {310} facets exhibit higher electrocatalytic activity and stability toward ethanol electrooxidation than those of pure concave cubic Pt NCs and commercial Pt/C catalysts because of the synergy of steric and electronic effects. Density functional theory (DFT) calculations indicated that Sm alloyed Pt{310} can significantly decrease the overall ethanol oxidation reaction barriers.
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Research context

Metals & alloysNanomaterialsCatalysis & surfaces

OpenAlex topics: Electrocatalysts for Energy Conversion · Catalytic Processes in Materials Science · Advanced battery technologies research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China

College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China

Guangxi Key Laboratory of Low Carbon Energy Materials, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, China

Funding

Natural Science Foundation of Jiangsu Province · Government of Jiangsu Province · National Natural Science Foundation of China · Natural Science Foundation of Anhui Province · Guangxi Key Laboratory of Low Carbon Energy Materials, Guangxi Normal University · Science and Technology Innovation Project of Xuzhou

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