Recent advances in carbon-based catalysts for electrocatalytic nitrate reduction to ammonia

IF 5.5 3区材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY Carbon Letters Pub Date : 2024-08-22 DOI:10.1007/s42823-024-00790-6

Cuilian Sun, Xiujing Xing, Jin Li, Wei Xiong, Hao Li

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Abstract

The damage caused by water pollution has seriously affected human health, in which nitrate is difficult to remove effectively because of its stability and solubility in the water environment. Among the various technologies for nitrate removal, electrocatalytic conversion of nitrate to ammonia is one of the best choice because of its green and efficient nature as well as its ability to “turn waste into treasure”. In recent years, the development of high-performance electrocatalysts to promote the activity of electrocatalytic nitrate reduction (NO₃RR) has received extensive attention from researchers. Among various electrocatalytic materials for NO₃RR, carbon-based catalysts have become a promising electrocatalyst due to the advantages of affordable price, controllable structure, excellent stability and exceptional reactivity. Focusing on the carbon-based materials, this review summarizes the research progress of carbon-based catalysts for NO₃RR in recent years, including heteroatom-doped carbon-based catalysts as well as metal and metal oxide-loaded or modified carbon-based catalysts. Opinions on the current challenges and future research directions of carbon-based catalysts for NO₃RR are also presented. This review hopes to provide some references and principles for the design and preparation of carbon-based catalysts for high-performanceNO₃RR process.

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电催化硝酸盐还原成氨的碳基催化剂的最新进展

水污染造成的危害严重影响人类健康，其中硝酸盐因其在水环境中的稳定性和溶解性而难以有效去除。在各种硝酸盐去除技术中，电催化硝酸盐转化为氨的技术因其绿色高效、"变废为宝 "的特点而成为最佳选择之一。近年来，开发高性能电催化剂以提高电催化硝酸盐还原（NO3RR）的活性受到了研究人员的广泛关注。在各种用于硝酸还原的电催化材料中，碳基催化剂以其价格低廉、结构可控、稳定性好和反应活性优异等优点成为一种前景广阔的电催化剂。本综述以碳基材料为重点，总结了近年来用于 NO3RR 的碳基催化剂的研究进展，包括杂原子掺杂的碳基催化剂以及金属和金属氧化物负载或修饰的碳基催化剂。此外，还对 NO3RR 碳基催化剂目前面临的挑战和未来的研究方向发表了看法。本综述希望为设计和制备用于高性能 NO3RR 工艺的碳基催化剂提供一些参考和原则。

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来源期刊

Carbon Letters CHEMISTRY, MULTIDISCIPLINARY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

7.30

自引率

20.00%

发文量

118

期刊介绍： Carbon Letters aims to be a comprehensive journal with complete coverage of carbon materials and carbon-rich molecules. These materials range from, but are not limited to, diamond and graphite through chars, semicokes, mesophase substances, carbon fibers, carbon nanotubes, graphenes, carbon blacks, activated carbons, pyrolytic carbons, glass-like carbons, etc. Papers on the secondary production of new carbon and composite materials from the above mentioned various carbons are within the scope of the journal. Papers on organic substances, including coals, will be considered only if the research has close relation to the resulting carbon materials. Carbon Letters also seeks to keep abreast of new developments in their specialist fields and to unite in finding alternative energy solutions to current issues such as the greenhouse effect and the depletion of the ozone layer. The renewable energy basics, energy storage and conversion, solar energy, wind energy, water energy, nuclear energy, biomass energy, hydrogen production technology, and other clean energy technologies are also within the scope of the journal. Carbon Letters invites original reports of fundamental research in all branches of the theory and practice of carbon science and technology.