Engineering high-entropy materials for electrocatalytic water splitting

贵金属 催化作用 分解水 材料科学 析氧 熵(时间箭头) 纳米技术 金属 电化学 化学 热力学 物理化学 电极 物理 冶金 生物化学 光催化
作者
Xin Yang,Ruike Guo,Rui Cai,Yuejun Ouyang,Pingping Yang,Jiafu Xiao
出处
期刊:International Journal of Hydrogen Energy [Elsevier]
卷期号:47 (28): 13561-13578 被引量:38
标识
DOI:10.1016/j.ijhydene.2022.02.123
摘要

The multicomponent combinations of metals in nanoscale noble metal-free high-entropy materials possess distinctive physiochemical properties, which endow them with rich accessible active sites, strong synergistic effect, and entropy-stabilization effect, enabling them to be promising for driving electrocatalytic water splitting. Herein, an interview of the progress achieved for the synthesis of noble metal-free high-entropy materials and catalytic mechanisms toward water splitting is provided. Some typical synthesis strategies have been systematically reviewed to highlight the advances in synthesizing highly efficient and noble-metal-free high-entropy catalysts. Next, the distinctive advantages of high-entropy materials for the electrochemical water splitting are also manifested to show their great promise for serving as advanced electrocatalysts. Moreover, some representative examples regarding the electrocatalytic oxygen evolution reaction, hydrogen evolution reaction, and overall water splitting based on noble-metal-free high-entropy catalysts are also discussed. In the end, future directions and new energy conversion technologies that can be enabled by the application of noble-metal-free high-entropy materials are outlined.
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