A multifunctional polymer electrolyte enables ultra-long cycle-life in a high-voltage lithium metal battery

Tiantian Dong; Jianjun Zhang; Gaojie Xu; Jingchao Chai; Huiping Du; Longlong Wang; Huijie Wen; Xiao Zang; Aobing Du; Qingming Jia; Xinhong Zhou; Guanglei Cui

doi:10.1039/c7ee03365f

A multifunctional polymer electrolyte enables ultra-long cycle-life in a high-voltage lithium metal battery

Tiantian Dong, Jianjun Zhang, Gaojie Xu, Jingchao Chai, Huiping Du, Longlong Wang, Huijie Wen, Xiao Zang, Aobing Du, Qingming Jia, Xinhong Zhou, Guanglei Cui

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297 Scopus citations

Abstract

In this article, we demonstrated for the first time an ultra-strong bacterial cellulose supported poly(methyl vinyl ether-alt-maleic anhydride) as a multifunctional polymer electrolyte for a 4.45 V-class LiCoO₂ lithium metal battery. Such a polymer electrolyte based LiCoO₂ lithium metal battery delivered significant capacity retention (85% retention after 700 cycles) at 60 °C. A more thorough investigation elucidated that it played multiple roles in enhancing the electro-oxidative resistance and reversible lithium plating/stripping of a LiCoO₂ lithium metal cell. These extraordinary features open up a new avenue for the fabrication of advanced polymer electrolytes for high-voltage lithium metal cells.

Original language	English
Pages (from-to)	1197-1203
Number of pages	7
Journal	Energy and Environmental Science
Volume	11
Issue number	5
DOIs	https://doi.org/10.1039/c7ee03365f
State	Published - May 2018
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2018 The Royal Society of Chemistry.

Funding

This original research was supported by funding from the ‘‘135’’ Projects Fund of CAS-QIBEBT Director Innovation Foundation, the Key Research Program of the Chinese Academy of Sciences (Grant No. KFZD-SW-414), the National Natural Science Foundation for Distinguished Young Scholars of China (Grant No. 51625204) and the National Natural Science Foundation of China (Grant No. 51703236). The authors gratefully acknowledge Dr Li Gu and Ms Yuxin Tong (Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China) for the high resolution transmission electron microscopy tests, and Dr Bingbing Chen (Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China) for the theoretical calculations.

Funders	Funder number
CAS-QIBEBT
National Natural Science Foundation of China	51703236
Chinese Academy of Sciences	KFZD-SW-414
National Science Fund for Distinguished Young Scholars	51625204

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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Cite this

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abstract = "In this article, we demonstrated for the first time an ultra-strong bacterial cellulose supported poly(methyl vinyl ether-alt-maleic anhydride) as a multifunctional polymer electrolyte for a 4.45 V-class LiCoO2 lithium metal battery. Such a polymer electrolyte based LiCoO2 lithium metal battery delivered significant capacity retention (85% retention after 700 cycles) at 60 °C. A more thorough investigation elucidated that it played multiple roles in enhancing the electro-oxidative resistance and reversible lithium plating/stripping of a LiCoO2 lithium metal cell. These extraordinary features open up a new avenue for the fabrication of advanced polymer electrolytes for high-voltage lithium metal cells.",

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AU - Dong, Tiantian

AU - Zhang, Jianjun

AU - Xu, Gaojie

AU - Chai, Jingchao

AU - Du, Huiping

AU - Wang, Longlong

AU - Wen, Huijie

AU - Zang, Xiao

AU - Du, Aobing

AU - Jia, Qingming

AU - Zhou, Xinhong

AU - Cui, Guanglei

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AB - In this article, we demonstrated for the first time an ultra-strong bacterial cellulose supported poly(methyl vinyl ether-alt-maleic anhydride) as a multifunctional polymer electrolyte for a 4.45 V-class LiCoO2 lithium metal battery. Such a polymer electrolyte based LiCoO2 lithium metal battery delivered significant capacity retention (85% retention after 700 cycles) at 60 °C. A more thorough investigation elucidated that it played multiple roles in enhancing the electro-oxidative resistance and reversible lithium plating/stripping of a LiCoO2 lithium metal cell. These extraordinary features open up a new avenue for the fabrication of advanced polymer electrolytes for high-voltage lithium metal cells.

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A multifunctional polymer electrolyte enables ultra-long cycle-life in a high-voltage lithium metal battery

Abstract

Bibliographical note

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