Volume 20, Issue 31 2312251
Review

Progress of Polymer Electrolytes Worked in Solid-State Lithium Batteries for Wide-Temperature Application

Long Hu

Long Hu

School of Materials Science and Engineering, Guangdong Engineering Technology Research Center of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641 China

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Xue Gao

Xue Gao

School of Materials Science and Engineering, Guangdong Engineering Technology Research Center of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641 China

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Hui Wang

Hui Wang

School of Materials Science and Engineering, Guangdong Engineering Technology Research Center of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641 China

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Yun Song

Corresponding Author

Yun Song

Department of Materials Science, Fudan University, Shanghai, 200433 China

E-mail: [email protected]; [email protected]

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Yongli Zhu

Yongli Zhu

Guangdong Huajing New Energy Technology Co. Ltd, Foshan, 528313 China

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Zhijun Tao

Zhijun Tao

Guangdong Huajing New Energy Technology Co. Ltd, Foshan, 528313 China

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Bin Yuan

Bin Yuan

School of Materials Science and Engineering, Guangdong Engineering Technology Research Center of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641 China

Guangdong Huajing New Energy Technology Co. Ltd, Foshan, 528313 China

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Renzong Hu

Corresponding Author

Renzong Hu

School of Materials Science and Engineering, Guangdong Engineering Technology Research Center of Advanced Energy Storage Materials, South China University of Technology, Guangzhou, 510641 China

Guangdong Huajing New Energy Technology Co. Ltd, Foshan, 528313 China

Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021 China

E-mail: [email protected]; [email protected]

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First published: 10 March 2024
Citations: 25

Abstract

Solid-state Li-ion batteries have emerged as the most promising next-generation energy storage systems, offering theoretical advantages such as superior safety and higher energy density. However, polymer-based solid-state Li-ion batteries face challenges across wide temperature ranges. The primary issue lies in the fact that most polymer electrolytes exhibit relatively low ionic conductivity at or below room temperature. This sensitivity to temperature variations poses challenges in operating solid-state lithium batteries at sub-zero temperatures. Moreover, elevated working temperatures lead to polymer shrinkage and deformation, ultimately resulting in battery failure. To address this challenge of polymer-based solid-state batteries, this review presents an overview of various promising polymer electrolyte systems. The review provides insights into the temperature-dependent physical and electrochemical properties of polymers, aiming to expand the temperature range of operation. The review also further summarizes modification strategies for polymer electrolytes suited to diverse temperatures. The final section summarizes the performance of various polymer-based solid-state batteries at different temperatures. Valuable insights and potential future research directions for designing wide-temperature polymer electrolytes are presented based on the differences in battery performance. This information is intended to inspire practical applications of wide-temperature polymer-based solid-state batteries.

Conflict of Interest

The authors declare no conflict of interest.

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