首页|Separator designs for aqueous zinc-ion batteries

Separator designs for aqueous zinc-ion batteries

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Aqueous zinc-ion batteries(AZIBs)are attracting worldwide attention due to their multiple merits such as extreme safety,low cost,feasible assembly,and environmentally friendly enabled by water-based electrolytes.At present,AZIBs have experienced systematic advances in battery components including cathode,anode,and electrolyte,whereas research involving separators is insufficient.The separator is the crucial component of AZIBs through providing ion transport,forming contact with electrodes,serving as a container for electrolyte,and ensuring the efficient battery operation.Considering this great yet ignored significance,it is timely to present the latest advances in design strategies,the systematic clas-sification and summary of separators.We summarize the separator optimization strategies mainly along two approaches including the modification of the frequently used glass fiber and the exploitation of new separators.The advantages and disadvantages of the two strategies are analyzed from the material types and the characteristics of different strategies.The effects and mechanisms of various materials on regu-lating the uniform migration and deposition of Zn2+,balancing the excessively concentrated nucleation points,inhibiting the growth of dendrites,and the occurrence of side reactions were discussed using con-finement,electric field regulation,ion interaction force,desolvation,etc.Finally,potential directions for further improvement and development of AZIBs separators are proposed,aiming at providing helpful guidance for this booming field.

Aqueous zinc-ion batteriesSeparatorsDendriteInterface optimizationIon mass transfer

Bin Li、You Zeng、Weisong Zhang、Bingan Lu、Qi Yang、Jiang Zhou、Zhangxing He

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School of Chemical Engineering,North China University of Science and Technology,Tangshan 063009,China

State Key Laboratory of Chemical Resource Engineering,College of Chemical Engineering,Beijing University of Chemical Technology,Beijing 100029,China

School of Physics and Electronics,Hunan University,Changsha 410082,China

School of Materials Science and Engineering,Hunan Provincial Key Laboratory of Electronic Packaging and Advanced Functional Materials,Central South University,Changsha 410083,China

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国家自然科学基金Hebei Natural Science Fund for Distinguished Young Scholar河北省自然科学基金

52372252E2019209433E2022209158

2024

科学通报(英文版)
中国科学院

科学通报(英文版)

CSTPCD
ISSN:1001-6538
年,卷(期):2024.69(5)
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