Electrodes with metal-based electrocatalysts for redox flow batteries in a wide pH range

IF 32 1区工程技术 Q1 ENERGY & FUELS

Progress in Energy and Combustion Science Pub Date : 2023-04-18 DOI:10.1088/2516-1083/acce1b

Yingjia Huang, Liangyu Li, Lihui Xiong, Jinchao Cao, Fangfang Zhong, Xiaoqi Wang, Mei Ding, Chuankun Jia

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引用次数: 0

Abstract

Redox flow batteries (RFBs) with decoupling energy and power, high safety, long durability and easy scalability have been considered as giant promising candidates for large-scale energy storage systems. As a key component of RFBs, the electrodes provide active sites for the conversion between electrical and chemical energies. Thus, the electrochemical properties of both the positive and negative electrodes are significantly important to the performance of batteries, especially the energy efficiency and the power. Therefore, improving the electrochemical performance of electrodes by effective modifications is essential for the advancements of RFBs. With high conductivity, high activity and stability, metal-based electrocatalysts have been widely used to modify and increase the electrochemical activities of electrodes in RFBs. This review summarizes and discusses the applications of metal-based electrocatalysts modified carbon-based electrodes of RFBs in a wide pH range (the acidic, alkaline and neutral electrolytes), including the characterizations of physicochemical and electrochemical properties of electrodes, the cell performance, the merits, and limitations.

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具有金属基电催化剂的电极，适用于大pH范围内的氧化还原液流电池

氧化还原液流电池(rfb)具有能量与功率解耦、安全性高、耐用性长、易于扩展等优点，被认为是大规模储能系统的巨大候选者。电极作为RFBs的关键组成部分，为电能和化学能之间的转换提供了活性位点。因此，正极和负极的电化学性能对电池的性能，特别是能量效率和功率有着重要的影响。因此，通过有效的改性来提高电极的电化学性能对rfb的发展至关重要。金属基电催化剂具有高导电性、高活性和稳定性，被广泛用于修饰和提高电极的电化学活性。本文综述并讨论了金属基电催化剂修饰碳基RFBs电极在大pH范围(酸性、碱性和中性电解质)中的应用，包括电极的物理化学和电化学性能表征、电池性能、优点和局限性。

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来源期刊

Progress in Energy and Combustion Science 工程技术-工程：化工

CiteScore

59.30

自引率

0.70%

发文量

审稿时长

3 months

期刊介绍： Progress in Energy and Combustion Science (PECS) publishes review articles covering all aspects of energy and combustion science. These articles offer a comprehensive, in-depth overview, evaluation, and discussion of specific topics. Given the importance of climate change and energy conservation, efficient combustion of fossil fuels and the development of sustainable energy systems are emphasized. Environmental protection requires limiting pollutants, including greenhouse gases, emitted from combustion and other energy-intensive systems. Additionally, combustion plays a vital role in process technology and materials science. PECS features articles authored by internationally recognized experts in combustion, flames, fuel science and technology, and sustainable energy solutions. Each volume includes specially commissioned review articles providing orderly and concise surveys and scientific discussions on various aspects of combustion and energy. While not overly lengthy, these articles allow authors to thoroughly and comprehensively explore their subjects. They serve as valuable resources for researchers seeking knowledge beyond their own fields and for students and engineers in government and industrial research seeking comprehensive reviews and practical solutions.