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阻燃型凝胶聚合物电解质在碱金属电池中的研究进展

Research Progress of Flame-Retardant Gel Polymer Electrolytes in Alkali Metal Batteries

  • 摘要: 阻燃型凝胶聚合物电解质不仅具有良好的枝晶抑制作用, 还具有不易泄漏、不可燃等高安全特性, 可有效解决热失控或机械冲击等造成的安全隐患, 在碱金属电池中具有重要应用前景。该文综述了阻燃型凝胶聚合物电解质在碱金属电池(涉及锂、钠、铝、锌等)中的研究进展。该文首先讨论了凝胶聚合物电解质的阻燃机理;其次, 总结了阻燃型凝胶聚合物电解质的常用制备方法;再次, 论述了不同类别阻燃型凝胶聚合物电解质在不同碱金属电池体系中的应用状况;最后, 提出了目前存在的挑战和未来可能的发展方向。

     

    Abstract: The flame-retardant gel polymer electrolytes present great potential for application in alkali metal batteries due to their high safety characteristics, such as good ability of dendrite inhibition, non-leakage, and non-flammability which can effectively address safety risks caused by thermal runaway or mechanical impact. This paper reviews the advances of flame-retardant gel polymer electrolytes in various alkali metal batteries, including lithium, sodium, aluminum, zinc, etc. The paper first discusses the flame-retardant mechanism of gel polymer electrolytes. Subsequently, the common preparation methods of flame-retardant gel polymer electrolytes are highlighted. Furthermore, the advancements of different-type flame-retardant gel polymer electrolytes in different alkali metal battery systems are symmetrically discussed. Finally, their current challenges and potential development directions are significantly proposed.

     

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