Fanxin ZENG, Chuang LIU, Yuliang CAO. Sodium Storage Behavior of Nanoporous Sb/MCNT Anode Material with High Cycle Stability by Dealloying Route [J]. Journal of Inorganic Materials, 2021, 36(11): 1137
- Journal of Inorganic Materials
- Vol. 36, Issue 11, 1137 (2021)
1. Schematic illustration for the synthetic process of De- Sb/MCNT composite
2. SEM images of (a) Raw-Sb, (b) AlSb, (c) De-Sb, (d) MCNT, (e, f) Raw-Sb/MCNT and (g, h) De-Sb/MCNT
3. (a) TEM image, (b) HRTEM image, (c) SAED pattern, (d) SEM image and the corresponding (e) Sb, (f) C, and (g) O elemental mapping images of De-Sb/MCNT
4. XRD patterns of (a) AlSb, (b) Raw-Sb, De-Sb, Raw-Sb/MCNT and De-Sb/MCNT, (c) Raman spectra of MCNT, De-Sb and De-Sb/MCNT, and (d) XPS spectrum of De-Sb/MCNT Colorful figures are available on website
5. (a) N2 adsorption-desorption isotherms of Raw-Sb, De-Sb, Raw-Sb/MCNT and De-Sb/MCNT, and (b) pore size distributions of Raw-Sb and De-Sb Colorful figures are available on website
6. (a) Cyclic voltammogram and (b) Galvanostatic charge/discharge voltage profile at 200 mA·g-1 of De-Sb/MCNT, (c) long-term cycling performance of Raw-Sb/MCNT and De-Sb/MCNT at 800 mA·g-1, and (d) rate performance of De-Sb/MCNT
7. EIS plots of Raw-Sb/MCNT and De-Sb/MCNT after 1 and 50 cycles with inset showing the corresponding equivalent circuit
8. SEM images of (a, c) Raw-Sb/MCNT electrode and (b, d) De-Sb/MCNT electrode (a, b) before and (c, d) after 50 cycles
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Table 1. Electrochemical performance of different Sb-based materials as Na ion battery electrodes
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Table 1. Fitting results of the EIS plots of Raw-Sb/MCNT and De-Sb/MCNT
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