Recent advances in carbon-based non-noble single-atom catalysts for rechargeable zinc–air batteries

IF 8 2区工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Current Opinion in Chemical Engineering Pub Date : 2023-09-01 DOI:10.1016/j.coche.2023.100926

Sujuan Hu , Mingshan Zhu

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引用次数: 1

Abstract

Rechargeable zinc–air batteries (ZABs) have been considered as highly competitive candidates for next-generation sustainable electrochemical energy conversion and storage devices due to their high theoretical specific energy density, low cost, high safety, and high metal abundance. However, the sluggish reaction kinetics of the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) in the air cathode lead to high polarization, low efficiency, and nondurability circulation of rechargeable ZABs. Carbon-based non-noble single-atom catalysts (SACs) have been identified as promising bifunctional ORR/OER catalysts due to their maximum metal atom utilization efficiency, well-defined atomic geometry, high electrical conductivity, and flexibility. In this review, we reveal the advantages of carbon-based SACs on constructing non-novel ORR/OER bifunctional catalysts and present their application in ZABs. Finally, the summary and outlook are discussed with the aim of providing an essential guide for the development of rechargeable ZABs.

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用于可充电锌-空气电池的碳基非贵金属单原子催化剂的最新进展

可充电锌空气电池(ZABs)具有高理论比能密度、低成本、高安全性和高金属丰度等优点，被认为是下一代可持续电化学能量转换和存储设备的有力竞争者。然而，空气阴极的氧还原反应(ORR)和析氧反应(OER)反应动力学缓慢，导致可充电ZABs的高极化、低效率和不耐用循环。碳基非贵金属单原子催化剂(SACs)由于其最大的金属原子利用率、明确的原子几何形状、高导电性和灵活性而被认为是有前途的双功能ORR/OER催化剂。本文综述了碳基SACs在构建新型ORR/OER双功能催化剂方面的优势，并介绍了其在ZABs中的应用。最后，对研究结果进行了总结和展望，以期为可充电ZABs的发展提供必要的指导。

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来源期刊

Current Opinion in Chemical Engineering BIOTECHNOLOGY & APPLIED MICROBIOLOGYENGINE-ENGINEERING, CHEMICAL

CiteScore

12.80

自引率

3.00%

发文量

114

期刊介绍： Current Opinion in Chemical Engineering is devoted to bringing forth short and focused review articles written by experts on current advances in different areas of chemical engineering. Only invited review articles will be published. The goals of each review article in Current Opinion in Chemical Engineering are: 1. To acquaint the reader/researcher with the most important recent papers in the given topic. 2. To provide the reader with the views/opinions of the expert in each topic. The reviews are short (about 2500 words or 5-10 printed pages with figures) and serve as an invaluable source of information for researchers, teachers, professionals and students. The reviews also aim to stimulate exchange of ideas among experts. Themed sections: Each review will focus on particular aspects of one of the following themed sections of chemical engineering: 1. Nanotechnology 2. Energy and environmental engineering 3. Biotechnology and bioprocess engineering 4. Biological engineering (covering tissue engineering, regenerative medicine, drug delivery) 5. Separation engineering (covering membrane technologies, adsorbents, desalination, distillation etc.) 6. Materials engineering (covering biomaterials, inorganic especially ceramic materials, nanostructured materials). 7. Process systems engineering 8. Reaction engineering and catalysis.