Functionalized Separator Strategies toward Advanced Aqueous Zinc‐Ion Batteries

Aqueous zinc‐ion batteries (ZIBs) enjoy a good reputation for being safe, affordable to produce, and ecologically friendly due to the use of water‐based electrolytes. The main factors restricting the development of ZIBs, however, are the negative effects of dendrite deposition on the zinc anode and...

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Bibliographic Details
Published in:Advanced energy materials 2023-05, Vol.13 (20), p.n/a
Main Authors: Zong, Yu, He, Hongwei, Wang, Yizhen, Wu, Menghua, Ren, Xiaochuan, Bai, Zhongchao, Wang, Nana, Ning, Xin, Dou, Shi Xue
Format: Article
Language:English
Subjects:
Anodic dissolution
cathode dissolution
Cathodes
Cathodic dissolution
Dissolution
Electrolytes
Glass fibers
Separators
Solvation
Structural stability
Zinc
zinc ion batteries
Zn anodes
Zn dendrites
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Summary:Aqueous zinc‐ion batteries (ZIBs) enjoy a good reputation for being safe, affordable to produce, and ecologically friendly due to the use of water‐based electrolytes. The main factors restricting the development of ZIBs, however, are the negative effects of dendrite deposition on the zinc anode and the dissolution of common cathodes such as Mn and V‐based cathodes. Various techniques have been used to address these issues, including regulating the electrolyte concentration or solvation structure, developing a coating or current collector to lessen anode dendrite growth, and improving the structural stability of the cathode. Recently, functionalized separator strategies have gained popularity as effective ways to improve ZIB performance. The use of a functionalized separator is also a practical technique to save costs and increase the volumetric energy density of the battery by substituting a functionalized separator for the usual thick and expensive glass fiber separator. The development of functionalized separators in ZIBs is the subject of ongoing research, and this work presents the most recent findings in a systematic manner, focusing on both the effects and the methods to prepare or modify them. Finally, a brief explanation of the constraints and future potential of current functionalized separator development is provided. Functionalized separators are employed in improving the performance of zinc‐ion batteries (ZIBs). This Review presents new insights into the contribution of functionalized separators in enhancing cathode and anode performance and reducing battery costs. This provides enlightening direction for the rational design of high‐performance ZIBs.
ISSN:1614-6832
1614-6840
DOI:10.1002/aenm.202300403