Design and Strategies to Enhance the Electrochemical Properties of POM Nanomaterials for Electrocatalysis

电催化剂 纳米材料 电化学 纳米技术 化学 材料科学 电极 物理化学
作者
Adedayo Oghenenerhuvwu Dada,Kieran D. Jones,Darren A. Walsh,Graham N. Newton
标识
DOI:10.1002/9783527842711.ch2
摘要

Electrocatalysis is critical in the development of sustainable fuel technologies and energy storage systems. The prevalent use of noble-metal-based catalysts, while effective, is marred by issues of high cost, scarcity and limited chemical selectivity. Addressing this need for more sustainable alternatives, polyoxometalates ( POMs ) have emerged as an attractive solution. POMs are inorganic polyanionic metal oxide materials which exhibit reversible multi-redox behaviour and possess excellent stability and versatile chemical properties and are typically based on earth-abundant elements. The structural diversity of POMs positions them as highly promising electrocatalysts across a diverse range of systems, overcoming the limitations associated with traditional catalysts and ushering in a new era of sustainable electrocatalysis. This perspective focuses on state-of-the-art design strategies used to modulate the electrochemical properties of POM nanomaterials. Recent breakthroughs within electrocatalytic design will be outlined including incorporation onto supporting materials, doping with transition metals, organic–inorganic hybrid systems and self-assembly. These approaches have shown that tailoring POM structures leads to improved reaction kinetics, selectivity and overall efficiency, unlocking a rich array of multifunctional hybrid materials.

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