Recent advances of organic materials for aqueous rechargeable batteries
Compared with present commercial batteries,aqueous organic batteries(AOBs),with improved safety,environmental benignity,and affordability,are very appealing for portable electronics and grid-scale applications.The electrode material is an important component of AOBs,which plays a critical role in achieving high energy and long cycle life of aqueous batteries.In the context of green development,organic electrode materials show advantages of environment friendliness,resource renewability and design flexibility.This paper reviewed the latest research progress of organic electrode materials with different storage mechanisms,including conducting polymers,carbonyl compounds,imine compounds,COFs/MOFs materials and compound materials,and summarizd their conductivity and dissolution issues.At the same time,their conductivity and dissolution issues,and strategies to enhance the electrochemical performance of organic electrode materials were also introduced.Finally,the critical challenges and future efforts of aqueous organic batteries were discussed.More organic electrode materials with better electronic conductivity and fast reaction kinetics were still needed to build AOBs.
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