A Smart Flexible Zinc Battery with Cooling Recovery Ability

Jingwen Zhao; Keval K. Sonigara; Jiajia Li; Jian Zhang; Bingbing Chen; Jianjun Zhang; Saurabh S. Soni; Xinhong Zhou; Guanglei Cui; Liquan Chen

doi:10.1002/anie.201704373

A Smart Flexible Zinc Battery with Cooling Recovery Ability

Jingwen Zhao, Keval K. Sonigara, Jiajia Li, Jian Zhang, Bingbing Chen, Jianjun Zhang, Saurabh S. Soni, Xinhong Zhou, Guanglei Cui, Liquan Chen

Research output: Contribution to journal › Article › peer-review

167 Scopus citations

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.

Original language	English
Pages (from-to)	7871-7875
Number of pages	5
Journal	Angewandte Chemie - International Edition
Volume	56
Issue number	27
DOIs	https://doi.org/10.1002/anie.201704373
State	Published - 26 Jun 2017
Externally published	Yes

Keywords

batteries
cooling recovery
polymer electrolytes
sol–gel processes
thermoreversible gels

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10.1002/anie.201704373

Cite this

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title = "A Smart Flexible Zinc Battery with Cooling Recovery Ability",

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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author = "Jingwen Zhao and Sonigara, {Keval K.} and Jiajia Li and Jian Zhang and Bingbing Chen and Jianjun Zhang and Soni, {Saurabh S.} and Xinhong Zhou and Guanglei Cui and Liquan Chen",

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doi = "10.1002/anie.201704373",

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AU - Zhao, Jingwen

AU - Sonigara, Keval K.

AU - Li, Jiajia

AU - Zhang, Jian

AU - Chen, Bingbing

AU - Zhang, Jianjun

AU - Soni, Saurabh S.

AU - Zhou, Xinhong

AU - Cui, Guanglei

AU - Chen, Liquan

PY - 2017/6/26

Y1 - 2017/6/26

N2 - 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.

AB - 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.

KW - batteries

KW - cooling recovery

KW - polymer electrolytes

KW - sol–gel processes

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A Smart Flexible Zinc Battery with Cooling Recovery Ability

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Keywords

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