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    Breakthrough in Aqueous Zn-ion Batteries Made by WuPeiyi?&?JiaoYucong’s ResearchTeam

    Date:2022-11-14

    Recently, the research team led by Prof. Wu Peiyi and Research Fellow Jiao Yucong from the College of Chemistry, Chemical Engineering and Biotechnology (CCEB) has made progress in flexible aqueous zinc-ion batteries. The research result was published in Angewandte Chemie International Edition entitled Proton-Reservoir Hydrogel Electrolyte for Long-Term Cycling Zn/PANI Batteries in Wide Temperature Range. The first author is Feng Doudou, a Ph.D. student of Donghua University, Class of 2020; the corresponding authors are Wu Peiyi and Jiao Yucong; Donghua University is the only affiliation.


    The research team proposed a proton-supplying strategy by polymeric acid hydrogel for enhancing the electrochemical performance of Zn/polyaniline (PANI) batteries in a wide temperature range. Aqueous Zn/PANI batteries are a highly promising energy storage device due to they are safe, low-cost, and environmentally friendly. Besides, the team developed polymeric acid hydrogel electrolyte (PAGE), thus providing a new way to explore high-performance aqueous zinc-ion battery systems.

    Fig. 1 Schematic illustrations of the redox reaction mechanism for Zn/PANI battery with PAGE

    Fig. 2 Performance of the Zn/PANI battery at low temperature


    Paper link: https://doi.org/10.1002/anie.202215060


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