<trans-title xml:lang="en">SnS<sub>2</sub>/ZIF-8 Derived Two-dimensional Porous Nitrogen-doped Carbon Nanosheets for Lithium-sulfur Batteries </trans-title>

Xinling WANG; Na ZHOU; Yawen TIAN; Mingran ZHOU; Jingru HAN; Yuansheng SHEN; Zhiyi HU; Yu LI

doi:10.15541/jim20220741

Journal of Inorganic Materials, Volume. 38, Issue 8, 938(2023)

SnS₂/ZIF-8 Derived Two-dimensional Porous Nitrogen-doped Carbon Nanosheets for Lithium-sulfur Batteries

Xinling WANG1... Na ZHOU1, Yawen TIAN1, Mingran ZHOU1, Jingru HAN1, Yuansheng SHEN1, Zhiyi HU1,2, and Yu LI12,* |Show fewer author(s)

Author Affiliations

¹1. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China

²2. Nanostructure Research Centre (NRC), Wuhan University of Technology, Wuhan 430070, China

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Figures & Tables(15)

1. (a) Schematics of synthetic process of ZCN-SnS₂, and FESEM images of (b, e) ZIF-8, (c, f) ZCN and (d, g) ZCN-SnS₂

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2. (a) N₂ adsorption-desorption isotherm of ZCN; (b) mesoporous pore size distribution curve of ZCN with inset showing micropore pore size distribution; (c) XRD patterns of ZCN-SnS₂, ZCN and SnS₂; (d) Raman spectrum of ZCN

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3. (a) HRTEM, (b) SAED, (c) HAADF-STEM images, and (d-g) corresponding EDX elemental mappings of ZCN-SnS₂

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4. (a) C1s, (b) N1s, (c) Sn3d, (d) S2p XPS spectra of ZCN-SnS₂, and (e) Sn3d, (f) S2p XPS spectra of SnS₂

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5. (a) CV curves of Li-S battery with ZCN-SnS₂-S electrode; (b) Charge-discharge curves, (c) rate performances and (d) cycling performances at 0.2C of Li-S batteries with ZCN-SnS₂-S, ZCN-S and SnS₂-S electrodes; (e) Cycling performance of ZCN-SnS₂-S at 2C

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6. (a) EIS plots and (b) linear relationships between the real parts of the impedance and the reciprocal exponentials (-1/2) at the lower angular frequency of ZCN-SnS₂-S, ZCN-S and SnS₂-S, respectively; (c) Li₂S₆adsorption plots and (d) UV-Vis absorption spectra of ZCN-SnS₂, ZCN and SnS₂

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S1. TGA curve of ZCN-SnS₂

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S2. FESEM images of (a, b) ZCN-SnS₂ and (c, d) SnS₂

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S3. Raman spectra of ZCN-SnS₂ and SnS₂

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S4. (a) HAADF-STEM and (b) HRTEM images of SnS₂

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S5. (a) XRD patterns of ZCN-SnS₂-S, ZCN-S, SnS₂-S, (b) nitrogen adsorption-desorption isotherm of ZCN-SnS₂-S, (c) TGA curves of ZCN-SnS₂-S, ZCN-S and SnS₂-S, and (d) cycling performance of SnS₂ at 1C

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S6. Cycling performance of ZCN-SnS₂-S at 0.2C

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S7. FESEM images of electrode materials before and after 150 cycles at 0.5C current density

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S8. Li₂S₆adsorption pictures of ZCN and SnS₂ mixed samples

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Table 1. Comparison of electrochemical properties of SnS₂ composites

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Table 1. Comparison of electrochemical properties of SnS₂ composites

Host materials	Current rate	Cycle number	Reversible capacity/(mAh·g^-1)	Ref.
ZCN-SnS₂-S	0.2C	100	948	This work
ZCN-SnS₂-S	2.0C	300	546	This work
SnS₂/CNTs/S	0.1C	100	1002.3	[1]
NG/SnS₂/TiO₂-S	0.2C	100	739	[2]
SnS₂@N-CNFs	0.2C	150	889	[3]
NHCS-SnS₂/S	1.0C	200	634	[4]
PCN-SnS₂-S	2.0C	150	650	[5]

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Xinling WANG, Na ZHOU, Yawen TIAN, Mingran ZHOU, Jingru HAN, Yuansheng SHEN, Zhiyi HU, Yu LI. SnS₂/ZIF-8 Derived Two-dimensional Porous Nitrogen-doped Carbon Nanosheets for Lithium-sulfur Batteries [J]. Journal of Inorganic Materials, 2023, 38(8): 938

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