<trans-title>Three-dimensional Porous Biogenic Si/C Composite for High Performance Lithium-ion Battery Anode Derived from Equisetum Fluviatile</trans-title>

Kunru LI; Xinghui HU; Zhengfu ZHANG; Yuzhong GUO; Ruian HUANG

doi:10.15541/jim20200525

Journal of Inorganic Materials, Volume. 36, Issue 9, 929(2020)

Three-dimensional Porous Biogenic Si/C Composite for High Performance Lithium-ion Battery Anode Derived from Equisetum Fluviatile

Kunru LI1... Xinghui HU1, Zhengfu ZHANG1, Yuzhong GUO1,* and Ruian HUANG2,* |Show fewer author(s)

Author Affiliations

¹1. Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China

²2. National Engineering Laboratory for Vacuum Metallurgy, Kunming University of Science and Technology, Kunming 650093, China

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Figures & Tables(9)

1. Schematic illustration for the fabrication of 3D-bio-Si/C

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2. XRD patterns for products in different preparation stages of 3D-bio-Si/C

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3. Raman spectra of 3D-bio-Si and 3D-bio-Si/C

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4. High-resolution Si2p XPS spectrum of 3D-bio-Si

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5. (a, d) SEM, (b, e) TEM and (c, f) HRTEM images of (a-c) 3D-bio-SiO₂ and (d-f) 3D-bio-Si

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6. SEM (a), TEM (b) and HRTEM (c) images of 3D-bio-Si/C

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7. (a) Nitrogen adsorption-desorption isotherms and (b) pore size distribution curves for 3D-bio-SiO₂, 3D-bio-Si and 3D-bio-Si/C

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8. (a) Charge and discharge curves for initial 6 cycles at 0.05 A/g, (b) CV curves at a scanning rate of 0.5 mV/s, (c) cycling performance (1 A/g), and (d) rate capability at different rates of 3D-bio-Si/C

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Table 1. Comparison of electrochemical properties for various biomass-derived Si as LIBs anodes

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Table 1. Comparison of electrochemical properties for various biomass-derived Si as LIBs anodes

Sample	Si source	Structure	Current density/(A∙g^-1)	Capacity/(mAh∙g^-1) (Cycle number)	Ref.
Si/N-doped C	Rice husk	Spheres	0.5	1031 (100^th)	[10]
Si/C	Rice husk	Spheres	0.1	560 (180^th)	[26]
Si/N-doped C	Bamboo charcoal	Porous	0.2	603 (120^th)	[27]
Si@C/RGO	Bamboo leaf	Nanoparticles	0.84	1900 (100^th)	[28]
Si/N-doped C	Horsetail	Nanoparticles	1	750 (760^th)	[29]
Si/C	Reed plants	Porous	0.5	1050 (200^th)	[30]
Si/C	Rice husk	Bulks	0.1	537 (100^th)	[16]
3D-bio-Si/C	Equisetum fluviatile	Porous	1	933 (400^th)	This work

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Kunru LI, Xinghui HU, Zhengfu ZHANG, Yuzhong GUO, Ruian HUANG. Three-dimensional Porous Biogenic Si/C Composite for High Performance Lithium-ion Battery Anode Derived from Equisetum Fluviatile[J]. Journal of Inorganic Materials, 2020, 36(9): 929

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