Investigation on nanostructured Cu-based electrocatalysts for improvising water splitting: a review,Inorganic Chemistry Frontiers

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Investigation on nanostructured Cu-based electrocatalysts for improvising water splitting: a review
Inorganic Chemistry Frontiers ( IF 6.1 ) Pub Date : 2020-10-28 , DOI: 10.1039/d0qi01060j
Karthick Kannimuthu _{1,

2,

3,

4,

5} , Kumaravel Sangeetha _{1,

2,

3,

4,

5} , Selvasundarasekar Sam Sankar _{1,

2,

3,

4,

5} , Arun Karmakar _{1,

2,

3,

4,

5} , Ragunath Madhu _{1,

2,

3,

4,

5} , Subrata Kundu _{1,

2,

3,

4,

5}

Affiliation

The effective use of earth-abundant electrocatalyst copper in the splitting of water as nanostructures with different combinations is central in replacing noble metals for the industrialization of hydrogen generation. Carbonaceous fuels, being front-line suppliers of energy, adversely affect the environment with greenhouse gas emission. Considering the electrocatalytic way of splitting water, it is one of the finest ways for producing pure hydrogen with a fast rate with no other undesired by-products; hence, researchers across the world have focused maximum attention to make them commercially applicable. To replace the noble metals, transition metal-based catalysts are promising. In this review, we have chosen to highlight solely the importance of Cu-based nanostructures as effective electrocatalysts for both oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). Moreover, various synthetic approaches with Cu nanostructures such as mono-, bi-, and tri-metallic catalysts as oxides, hydroxides, sulfides, selenides, tellurides, and phosphides were studied for OER and HER in different pH conditions. Hence, this review gives a brief understanding of Cu-based nanostructures in electrocatalytic water splitting and based on this, it can be applied with other advancements in catalysts development for viable hydrogen generation with electrocatalytic water splitting.

中文翻译：

用于改善水分解性能的纳米结构铜基电催化剂的研究进展

在将水分解为具有不同组合的纳米结构时，有效使用富含地球的电催化剂铜是取代贵金属用于制氢工业的关键。碳质燃料是第一线的能源供应商，其温室气体排放会对环境造成不利影响。考虑到电催化分解水的方法，它是快速生产纯氢且没有其他不希望的副产物的最佳方法之一。因此，全世界的研究人员都将最大的注意力集中在使它们具有商业应用性上。取代贵金属的过渡金属基催化剂是有前途的。在这篇评论中我们选择仅突出显示基于铜的纳米结构作为氧释放反应（OER）和氢释放反应（HER）的有效电催化剂的重要性。此外，研究了在不同pH条件下对铜的纳米结构的各种合成方法，如氧化物，氢氧化物，硫化物，硒化物，碲化物和磷化物的单金属，双金属和三金属催化剂。因此，本综述简要介绍了电催化水分解过程中基于铜的纳米结构，并以此为基础，可与其他催化剂开发一起用于通过电催化水分解产生可行的氢气。研究了硫化物，硒化物，碲化物和磷化物在不同pH条件下的OER和HER。因此，本综述简要介绍了电催化水分解中基于铜的纳米结构，并以此为基础，可与其他开发催化剂一起用于电催化水分解产生活泼的氢气。研究了硫化物，硒化物，碲化物和磷化物在不同pH条件下的OER和HER。因此，本综述简要介绍了电催化水分解中基于铜的纳米结构，并以此为基础，可与其他开发催化剂一起用于电催化水分解产生活泼的氢气。

更新日期：2020-12-17

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