Redox polymers for rechargeable metal-ion batteries

IF 22.2 Q1 CHEMISTRY, MULTIDISCIPLINARY EnergyChem Pub Date : 2020-05-01 DOI:10.1016/j.enchem.2020.100030
Yuan Chen , Shuming Zhuo , Zengyu Li, Chengliang Wang
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引用次数: 85

Abstract

Redox polymers have the advantages of potentially low-cost, flexibility, sustainability, high redox activity, good electrochemical reversibility and high energy density, which have been widely reported in energy storage devices. Their electrochemical properties can be easily tailored by molecular engineering. Herein, the polymers including conducting polymers, organosulfur polymers, radical polymers, carbonyl polymers, polymers of arylamines, polymers based on unsaturated C-N and C-C bonds are overviewed and their applications in various metal-ion (Li+, Na+, K+, Zn2+, Mg2+, Ca2+, Al3+) batteries are comprehensively summarized. By virtue of the advantage of molecular design, conjugated porous polymers are specifically highlighted due to the further enhancement of ionic diffusion and accommodation of inserted ions, which combine the merits of flexibility of organic/polymeric materials and the advantages of porous structures. In the last section, strategies for improving electrochemical properties of metal-ion batteries are discussed, followed by the prospects of key challenges and future trends of redox polymers as electrode materials for advanced electrochemical energy storage devices.

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可充电金属离子电池用氧化还原聚合物
氧化还原聚合物具有潜在的低成本、柔韧性、可持续性、高氧化还原活性、良好的电化学可逆性和高能量密度等优点,在储能器件中得到了广泛的报道。它们的电化学性质可以很容易地通过分子工程来调整。本文综述了导电聚合物、有机硫聚合物、自由基聚合物、羰基聚合物、芳胺聚合物、基于不饱和C-N和C-C键的聚合物,并全面总结了它们在各种金属离子(Li+、Na+、K+、Zn2+、Mg2+、Ca2+、Al3+)电池中的应用。凭借分子设计的优势,共轭多孔聚合物由于离子扩散的进一步增强和插入离子的容纳,结合了有机/聚合物材料的柔韧性和多孔结构的优点而特别突出。最后,讨论了金属离子电池电化学性能的改进策略,展望了氧化还原聚合物作为先进电化学储能装置电极材料的主要挑战和未来趋势。
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来源期刊
EnergyChem
EnergyChem Multiple-
CiteScore
40.80
自引率
2.80%
发文量
23
审稿时长
40 days
期刊介绍: EnergyChem, a reputable journal, focuses on publishing high-quality research and review articles within the realm of chemistry, chemical engineering, and materials science with a specific emphasis on energy applications. The priority areas covered by the journal include:Solar energy,Energy harvesting devices,Fuel cells,Hydrogen energy,Bioenergy and biofuels,Batteries,Supercapacitors,Electrocatalysis and photocatalysis,Energy storage and energy conversion,Carbon capture and storage
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