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Angewandte Chemie

Angewandte Chemie

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A Self-Healing Integrated All-in-One Zinc-Ion Battery

Published:30 January 2019 DOI: 10.1002/ange.201814653
Dr. Shuo Huang, Dr. Fang Wan, Songshan Bi, Jiacai Zhu, Prof. Zhiqiang Niu, Prof. Jun Chen

Abstract

The self-healing of zinc-ion batteries (ZIBs) will not only significantly improve the durability and extend the lifetime of devices, but also decrease electronic waste and economic cost. A poly(vinyl alcohol)/zinc trifluoromethanesulfonate (PVA/Zn(CF3SO3)2) hydrogel electrolyte was fabricated by a facile freeze/thaw strategy. PVA/Zn(CF3SO3)2 hydrogels possess excellent ionic conductivity and stable electrochemical performance. Such hydrogel electrolytes can autonomously self-heal by hydrogen bonding without any external stimulus. All-in-one integrated ZIBs can be assembled by incorporating the cathode, separator, and anode into hydrogel matrix since the fabrication of PVA/Zn(CF3SO3)2 hydrogel is a process of converting the liquid to quasi-solid state. The ZIBs show an outstanding self-healing and can recover electrochemical performance completely even after several cutting/healing cycles.

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Related products
Procduct Name CAS Molecular Formula Supplier Price
Zinc trifluoromethanesulfonate 54010-75-2 C2F6O6S2Zn 412 suppliers $6.00-$1250.00
[Mn(bpy)(CO)2(PPh3)2](CF3SO3) 1 suppliers Inquiry

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