锂离子传导固态聚合物电解质的研究进展

摘要良好的安全性、优异的界面相容性、低成本和易加工性等综合优势使固态聚合物电解质成为下一代电池中最理想的候选者。然而,这类电解质的离子电导率偏低限制其在固态电池中的应用。因此对固态聚合物电解质中锂离子传导机制的深入了解有助于设计更高效传导锂离子的电解质。综述了典型的固态聚合物电解质及其锂离子传导机制,包括"salt-in-polymer"电解质、"polymer-in-salt"电解质和单离子传导型聚合物电解质,并基于以上理解,阐述了提高离子传输性能的3大策略和最新的研究进展,同时对增强固态聚合物电解质的锂离子传导提出了展望。

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	张雅婷
	马朔
	张亚楠
	李轩
	陈明鸣

关键词：固态聚合物电解质离子传输电解质的设计和优化研究进展

Abstract： The combined advantages of good safety, excellent interfacial compatibility, low cost, and ease of processing make solid-state polymer electrolytes the most desirable candidates for next-generation batteries. However, the low ionic conductivity of these electrolytes limits their application in solid-state batteries. Therefore, an in-depth understanding of the lithium ion conduction mechanism in solid-state polymer electrolytes can help to design electrolytes that conduct lithium ions more efficiently. Typical solid-state polymer electrolytes and their lithium ion conduction mechanisms are reviewed, including 'salt-in-polymer' electrolytes, 'polymer-in-salt' electrolytes, and single-ion-conducting polymer electrolytes. Based on the above understanding, three major strategies to improve the ion transport performance and the latest research progress are described, and an outlook on the enhancement of lithium ion conduction in solid polymer electrolytes is presented.

Keywords： solid-state polymer electrolytes ion transport electrolyte design and optimization research progress

Received 2024-05-13;

Fund:国家自然科学基金项目(22078228)。

Corresponding Authors: 陈明鸣,教授,chmm@tju.edu.cn。 Email: chmm@tju.edu.cn

About author: 张雅婷(2000—),女,硕士研究生,现从事固态聚合物电解质方面的研究。

引用本文:

张雅婷, 马朔, 张亚楠, 李轩, 陈明鸣.锂离子传导固态聚合物电解质的研究进展[J]. 化学工业与工程, 2025,42(2): 55-67

ZHANG Yating, MA Shuo, ZHANG Yanan, LI Xuan, CHEN Mingming.Research progress on lithium-ion conductive solid polymer electrolytes[J]. Chemcial Industry and Engineering, 2025,42(2): 55-67

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