
6卷 第3期
LaMn-Co@PP复合隔膜用于提升锂-硫电池性能的研究
LaMn-Co@PP复合隔膜用于提升锂-硫电池性能的研究
- 2025年6卷第3期 页码:28-33
纸质出版日期:2025-03-30
DOI:10.12184/wspkjllysjWSP2634-792X06.20250603
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6卷 第3期
1.重庆理工大学 化学化工学院,重庆 400054
2.陆军勤务学院训练基地,重庆 401331
3.中国船舶集团重庆海装风电有限公司,重庆 401123
纸质出版日期:2025-03-30
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李振威,何浩,冯佳辉等.LaMn-Co@PP复合隔膜用于提升锂-硫电池性能的研究[J].科技理论与实践,2025,06(03):28-33.
李振威, 何浩, 冯佳辉, et al. LaMn-Co@PP复合隔膜用于提升锂-硫电池性能的研究[J]. Theory and practice of science and technology, 2025, 6(3): 28-33.
李振威,何浩,冯佳辉等.LaMn-Co@PP复合隔膜用于提升锂-硫电池性能的研究[J].科技理论与实践,2025,06(03):28-33. DOI: 10.12184/wspkjllysjWSP2634-792X06.20250603.
李振威, 何浩, 冯佳辉, et al. LaMn-Co@PP复合隔膜用于提升锂-硫电池性能的研究[J]. Theory and practice of science and technology, 2025, 6(3): 28-33. DOI: 10.12184/wspkjllysjWSP2634-792X06.20250603.
锂硫电池因其高理论能量密度(2600 Wh kg
-1
)和比容量(1675 mAh g
-1
)被看做下一代拥有潜力的储能器件之一。然而,多硫化物的穿梭效应及锂枝晶问题造成锂硫电池快速的容量衰减,严重限制其进一步应用。基于此,设计一种新的复合隔膜:通过引入掺杂剂金属位点(La、Mn)合成La、Mn掺杂Co-ZIF电催化剂,然后将其涂覆在聚丙烯(PP)隔膜上。实验证明,该复合隔膜能提供选择性通道,从而有效抑制多硫化锂的迁移,同时允许锂离子的均匀传输。因此,LaMn-Co@PP修饰隔膜组装的锂硫电池在1C下能达到909.4 mAh g
-1
的初始容量,循环800次后还能保持416.8 mAh g
-1
的放电容量。
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