期刊
CHEMENGINEERING
卷 6, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/chemengineering6010019
关键词
oxygen reduction; platinum; platinum alloy; MPCA; HEA
This review discusses recent advances in the application of complex alloy materials such as high-entropy alloys (HEAs) for the oxygen reduction reaction, and explores the existing experimental challenges in benchmarking the electrocatalytic properties of these materials.
The oxygen reduction reaction has been the object of intensive research in an attempt to improve the sluggish kinetics that limit the performance of renewable energy storage and utilization systems. Platinum or platinum bimetallic alloys are common choices as the electrode material, but prohibitive costs hamper their use. Complex alloy materials, such as high-entropy alloys (HEAs), or more generally, multiple principal component alloys (MPCAs), have emerged as a material capable of overcoming the limitations of platinum and platinum-based materials. Theoretically, due to the large variety of active sites, this new kind of material offers the opportunity to identify experimentally the optimal binding site on the catalyst surface. This review discusses recent advances in the application of such alloys for the oxygen reduction reaction and existing experimental challenges in the benchmarking of the electrocatalytic properties of these materials.
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