Interfacial anchoring of manganese boosting cycle stability of__LiMn0.6Fe0.4PO4 cathode for lithium-ion battery
Interfacial anchoring of manganese boosting cycle stability of__LiMn0.6Fe0.4PO4 cathode for lithium-ion battery
研究概述
在磷酸锰铁锂与碳包覆层之间构筑C—S—Mn键，锚定Mn并抑制溶解和界面副反应，同时改善电荷与离子输运。5 C下容量110.1 mAh/g，循环1500次保持75.2%；配商业石墨负极软包，0.5 C循环160次保持80.1%。
谱图与表征信息
Fig. 1. (a) XRD patterns for LMFP@C and LMFP@C/S; (b) S 2p spectrum of LMFP@C and LMFP@C/S; (c) HR-TEM images of LMFP@C/S (Appendix: EDS Mapping image of S, Mn, Fe, P and O elements); (d) Mn K-edge XANES spectra; (e) Mn K-edge EXANES spectra.