Progress and perspectives on molecular design of crosslinked polymer electrolytes for solid-state lithium batteries

Progress and perspectives on molecular design of crosslinked polymer electrolytes for solid-state lithium batteries

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Fei Pei^a, Lin Wu^a, Wenjie Lin^a, Yi Zhang^a, Qi Kang^b, Fenghua Zhang^a, Yuan Shen^c, Qiang Gao^a, Zhenyu Huang^a, Yunhui Huang^a^,^*

Review of Materials Research | 2025, 1(1) : 100013

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Review of Materials Research | 2025, 1(1): 100013

• CONCISE REVIEW •

Progress and perspectives on molecular design of crosslinked polymer electrolytes for solid-state lithium batteries

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Fei Pei^a, Lin Wu^a, Wenjie Lin^a, Yi Zhang^a, Qi Kang^b, Fenghua Zhang^a, Yuan Shen^c, Qiang Gao^a, Zhenyu Huang^a, Yunhui Huang^a^,^*

Affiliations

^aState Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China

^bInstitute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China

^cZhejiang Geely Holding Group Co., Ltd., Hangzhou, 310051, China

Published: 2025-04-08 doi: 10.1016/j.revmat.2025.100013

Outline

Abstract

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Solid-state polymer electrolytes (SPEs) coupling with high-specific-energy cathodes/anodes are candidate schemes for meeting the safety and energy density needs of next generation lithium batteries due to the reinforced mechanical/chemical and electrochemical stability. However, many pressing challenges, such as low ionic conductivity, large interfacial resistance and side reactions, hindering their practical applications in solid-state lithium batteries (SSLBs). Crosslinked SPEs as one of the most attractive structures exhibit many advantages, such as superior mechanical strength, thermal/chemical stability, and reduced crystallinity. The design/synthesis strategies of crosslinked SPEs and how do the geometric structural parameters affect electrochemical performance of the SPEs are not fully understood. This review comprehensively summarizes the very recent advances of crosslinked SPEs for SSLBs by discussing the related publications, which involves physical and chemical crosslinking strategies. The selection of crosslinked monomers and reaction type are classified in detail. The relationships between crosslinking structures and physical/electrochemical properties at molecular level are comprehensive analyzed. Finally, the challenges and future prospects of crosslinked SPEs in this rapidly evolving field are outlined. Overall, this review is expected to serve as a guide for designing high-performance crosslinked SPEs, and will receive widespread attention in the field of binders, separators, hydrogels, electronic skin and engineering plastics.

Key words

Crosslinked polymer electrolytes / Solid-state lithium batteries / Physical crosslinking / Chemical crosslinking / High energy density

Cite this Article

Fei Pei, Lin Wu, Wenjie Lin, Yi Zhang, Qi Kang, Fenghua Zhang, Yuan Shen, Qiang Gao, Zhenyu Huang, Yunhui Huang. Progress and perspectives on molecular design of crosslinked polymer electrolytes for solid-state lithium batteries[J]. Review of Materials Research, 2025 , 1 (1) : 100013 - . DOI: 10.1016/j.revmat.2025.100013

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Funding

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National Natural Science Foundation of China(52202236; 52027816)
China Postdoctoral Science Foundation(2024T170300)
China Postdoctoral Science Foundation(2022M711232)

Appendix

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Year 2025 volume 1 Issue 1

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Article Info

doi: 10.1016/j.revmat.2025.100013

Receive Date：2025-03-21
Online Date：2026-06-10
Published：2025-04-08

Article Data

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History

Received：2025-03-21
Revised：2025-04-06
Accepted：2025-04-06

Funding

National Natural Science Foundation of China(52202236; 52027816)

China Postdoctoral Science Foundation(2024T170300)

China Postdoctoral Science Foundation(2022M711232)

Affiliations

^aState Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China

^bInstitute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China

^cZhejiang Geely Holding Group Co., Ltd., Hangzhou, 310051, China

Corresponding:

^* E-mail address: huangyh@hust.edu.cn (Y. Huang).

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表12种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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