| 张镶锋,夏水鑫.聚合物固体电解质在金属锂电池中的研究进展[J].有色金属材料与工程,2025,46(3):11-18. |
| 聚合物固体电解质在金属锂电池中的研究进展 |
| Research progress and prospects of solid polymer electrolytes in Li metal batteries |
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| DOI：10.13258/j.cnki.nmme.20250124001 |
| 中文关键词: 聚合物固体电解质 固态金属锂电池 离子电导率 锂枝晶 |
| 英文关键词:solid polymer electrolytes solid state Li metal battery ionic conductivity Li dendrite |
| 基金项目:国家自然科学基金资助项目（22ZR1443900） |
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| 中文摘要: |
| 金属锂电池因其高能量密度而备受关注，然而锂枝晶生长引发的安全问题制约了金属锂电池的实际应用。固体电解质可显著抑制锂枝晶生长，具有优异的安全性。特别是聚合物固体电解质，具有柔性、易加工并能大规模制备，被认为是最具潜力的电解质体系。但聚合物固体电解质受限于较低的离子电导率和较窄的电化学稳定窗口，无法满足实际应用需求。因此，设计和优化聚合物固体电解质具有重要意义。综述了聚合物固体电解质的锂离子传输机制、制备方法与改性策略，并对固态金属锂电池的未来实际应用进行了展望。 |
| 英文摘要: |
| Li metal batteries have attracted significant attention due to their high energy density. However, safety issues arising from Li dendrite growth have limited their practical application. Solid electrolytes can significantly inhibit dendrite growth and exhibit excellent safety. In particular, solid polymer electrolytes are flexible, easy to process, and amenable to large-scale production, making them the most promising electrolyte systems. Nevertheless, solid polymer electrolytes are constrained by their low ionic conductivity and narrow electrochemical window, which prevent them from meeting practical application requirements. Therefore, the design and optimization of solid polymer electrolytes are of great significance. This article reviews the Li+ transport mechanisms, preparation methods, and modification strategies of solid polymer electrolytes and provides an outlook on the future practical application of solid state Li metal batteries. |
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