Carbon-based metal-free nanomaterials for the electrosynthesis of small-molecule chemicals: A review

IF 5.7 3区材料科学 Q2 Materials Science

New Carbon Materials Pub Date : 2024-02-01 DOI:10.1016/S1872-5805(24)60836-X

Lei Shi , Yan-zhe Li , Hua-jie Yin , Shen-long Zhao

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Abstract

Electrocatalysis is a key component of many clean energy technologies that has the potential to store renewable electricity in chemical form. Currently, noble metal-based catalysts are most widely used for improving the conversion efficiency of reactants during the electrocatalytic process. However, drawbacks such as high cost and poor stability seriously hinder their large-scale use in this process and in sustainable energy devices. Carbon-based metal-free catalysts (CMFCs) have received growing attention due to their enormous potential for improving the catalytic performance. This review gives a concise comprehensive overview of recent developments in CMFCs for electrosynthesis. First, the fundamental catalytic mechanisms and design strategies of CMFCs are presented and discussed. Then, a brief overview of various electrosynthesis processes, including the synthesis of hydrogen peroxide, ammonia, chlorine, as well as various carbon- and nitrogen-based compounds is given. Finally, current challenges and prospects for CMFCs are highlighted.

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用于小分子化学品电合成的碳基无金属纳米材料：综述

电催化是许多清洁能源技术的关键组成部分，具有以化学形式储存可再生能源电力的潜力。目前，贵金属催化剂被广泛用于提高电催化过程中反应物的转化效率。然而，高成本和稳定性差等缺点严重阻碍了它们在这一过程和可持续能源设备中的大规模使用。碳基无金属催化剂（CMFCs）在提高催化性能方面具有巨大潜力，因此受到越来越多的关注。本综述简明扼要地全面概述了用于电合成的 CMFC 的最新发展。首先，介绍并讨论了 CMFCs 的基本催化机理和设计策略。然后，简要介绍了各种电合成工艺，包括过氧化氢、氨、氯以及各种碳基和氮基化合物的合成。最后，重点介绍了 CMFC 目前面临的挑战和前景。

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来源期刊

New Carbon Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

6.10

自引率

8.80%

发文量

3245

审稿时长

5.5 months

期刊介绍： New Carbon Materials is a scholarly journal that publishes original research papers focusing on the physics, chemistry, and technology of organic substances that serve as precursors for creating carbonaceous solids with aromatic or tetrahedral bonding. The scope of materials covered by the journal extends from diamond and graphite to a variety of forms including chars, semicokes, mesophase substances, carbons, carbon fibers, carbynes, fullerenes, and carbon nanotubes. The journal's objective is to showcase the latest research findings and advancements in the areas of formation, structure, properties, behaviors, and technological applications of carbon materials. Additionally, the journal includes papers on the secondary production of new carbon and composite materials, such as carbon-carbon composites, derived from the aforementioned carbons. Research papers on organic substances will be considered for publication only if they have a direct relevance to the resulting carbon materials.