由于较高的活化能能垒、较差的倍率性能、较少的电池循环寿命,导致Li2S电极的容量显著受到影响。有鉴于此,北京航空航天大学郭林、朱禹洁等报道制备Li2S-Cu纳米复合材料电极材料,显著的降低活化电势,在接近实际需求的2.96 mAh cm-2容量表现了快速倍率性能,优异的循环性能。
参考文献
Lulu Tan, Anran Li, Yusi Yang, Jianwen Zhang, Xiaogang Niu, Nan Li, Limin Liu, Lin Guo, Yujie Zhu, Highly Active and Stable Li2S–Cu Nanocomposite Cathodes Enabled by Kinetically Favored Displacement Interconversion between Cu2S and Li2S, Angew. Chem. Int. Ed. 2022
DOI: 10.1002/anie.202206012
https://onlinelibrary.wiley.com/doi/full/10.1002/anie.202206012