Journal
SMALL
Volume 17, Issue 22, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.202005354
Keywords
electrocatalysts; noble metals; porous structures; synthesis strategies
Categories
Funding
- NSFC [21773128, 21534005, 21421001]
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This review summarizes the recent progress in strategies for preparing porous noble metals, including innovation in new methods and deeper understanding of traditional methods. It also discusses the relationship between the structure of porous noble metals and electrocatalytic performance, such as the accessibility of active sites, connectivity of skeleton structures, channel dimensions, and hierarchical structures.
Active sites (intrinsic activity, quantity, and distribution), electron transfer, and mass diffusion are three important factors affecting the performance of electrocatalysts. Composed of highly active components which are built into various network structures, porous noble metal is an inherently promising electrocatalysts. In recent years, great efforts have been made to explore new efficient synthesis methods and establish structural-performance relationships in the field of porous noble metal electrocatalysis. In this review, the very recent progress in strategies for preparing porous noble metal, including innovation and deeper understanding of traditional methods is summarized. A discussion of relationship between porous noble metal structure and electrocatalytic performance, such as accessibility of active sites, connectivity of skeleton structures, channels dimensions, and hierarchical structures, is provided.
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