A Smart Flexible Zinc Battery with Cooling Recovery Ability

Angewandte Chemie
Jingwen ZhaoLiquan Chen

Abstract

Flexible batteries are essential for wearable electronic devices. To meet practical applications, they need to be mechanically robust and stable. However, strong or multiple bending may sever the interfacial contact between electrode and electrolyte, causing capacity fading or even battery failure. Herein we present a new cooling-recovery concept for flexible batteries, which involves a temperature-sensitive sol-gel transition behavior of the thermoreversible polymer hydrogel electrolyte. Once a battery has suffered from strong mechanical stresses, a simple cooling process can refresh the electrode-electrolyte interface. The energy-storage capability can be recovered with a healing efficiency higher than 98 %. It is believed that this study not only offers new valuable insights, but also opens up new perspectives to develop functional wearable devices.

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Citations

Jan 31, 2019·Angewandte Chemie·Shuo HuangJun Chen
Aug 14, 2019·Chemistry : a European Journal·Shuo HuangZhiqiang Niu
May 3, 2019·Angewandte Chemie·Fang Wan, Zhiqiang Niu
Dec 4, 2019·Advanced Materials·Gang WangXinliang Feng
Jun 17, 2020·Angewandte Chemie·Jiacai ZhuZhiqiang Niu
May 1, 2018·Advanced Materials·Faxing WangXinliang Feng
Nov 26, 2019·Nanotechnology·Xiaoyu LiuJiujun Zhang
Mar 5, 2021·ACS Applied Materials & Interfaces·Siyuan ZhaoJinhye Bae
Apr 3, 2021·Advanced Materials·Haobo DongIvan P Parkin
Sep 25, 2018·ACS Applied Materials & Interfaces·Gongzheng YangChengxin Wang
Sep 16, 2020·ACS Applied Materials & Interfaces·Baojun WangHongzhi Wang
Aug 28, 2021·Chemistry, an Asian Journal·Xuelian QuGuanglei Cui

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