材料科学
电催化剂
剥脱关节
层状双氢氧化物
金属
析氧
硫系化合物
氮化物
催化作用
化学工程
纳米技术
电极
电化学
石墨烯
冶金
有机化学
化学
物理化学
工程类
图层(电子)
作者
Gen Chen,Hao Wan,Wei Ma,Ning Zhang,Yijun Cao,Xiaohe Liu,Jun Wang,Renzhi Ma
标识
DOI:10.1002/aenm.201902535
摘要
Abstract Layered metal hydroxides (LMHs) are regarded as a novel and important class of inorganic functional materials. They have unique layered structure and variable chemical compositions that can be readily tuned. In this review, summarized are the recent advances of synthetic routes to the LMHs with designed morphology, composition, and function for electrocatalysis. Versatile products can be readily derived by hybridization, anion‐exchange, surface modification, self‐assembly, etc. More importantly, LMHs can be artificially exfoliated into unilamellar nanosheets with a molecular‐level thickness of about 1 nm versus 2D lateral size in submicrometer or micrometer scale. Molecular‐scale assembly can be then applied to fabricate superlattice‐like composites and functional nanofilms with high quality. The hydroxides can be transformed into oxides, nitrides, or other compounds via different preparation procedures, which can further extend their application prospects. In this regard, the most promising electrocatalysis‐related applications of LMHs and their derivatives are reviewed, such as oxygen evolution reaction, oxygen reduction reaction, hydrogen evolution reaction, CO 2 reduction reaction, alcohol or urea electrooxidation, etc. At last, future challenges are also discussed from the aspect of synthesis and application, as well as encouraging advancements are anticipated.
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