Advances in New and Renewable Energy

Performance of P/Sn Composite Carbon Fiber Skeleton as Anode for Lithium Metal Batteries

Zichun XIAO, Ruoshan JIN, Wei TANG

Advances in New and Renewable Energy, 2025, 13(1): 1-6. DOI: 10.3969/j.issn.2095-560X.2025.01.001

Fig. 2 XPS spectra of CFs@Sn-P: (a) Sn 3d; (b) P 2p

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Fig. 1 SEM image (a), EDS mappings of elements (b-d), XRD pattern (e), and N₂ adsorption-desorption isothermals (f) of CFs@Sn-P
Fig. 3 SEM images of CFs@Sn-P and Cu foil after depositing: (a, d) 1 mA∙h/cm²; (b, e) 5 mA∙h/cm²; (c, f) after multiple cycles
Fig. 4 The cycling performance of CFs@Sn-P and Cu foil in half cells: (a) comparison of nucleation voltage; (b, c) Coulombic efficiency at 1 mA/cm²and 5 mA/cm²; (d) the charge-discharge curves; (e, f) the EIS spectra of half cells after 10 and 50 cycles; (g) galvanostatic cycling of symmetric cells
Fig. 5 The cycling performance of CFs@Sn-P and 100 μm Li foil in full cells: (a) the cycling stability; (b) the 50th charge-discharge curves; (c) the rate performance