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Bamboo-derived hard carbon/carbon nanotube composites as anode material for long-life sodium-ion batteries with high charge/discharge capacities AITranslate

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Abstract AITranslate

Hard carbon derived from bamboo for the anode material of sodium-ion batteries has a three-dimensional(3D) open framework structure and has naturally incorporated K-ions into its carbon structure,increasing the dinterlayer spacing of hard carbon materials for facilitating Na+ transport.In this work,bamboo-derived hard carbon was prepared via two carbonization temperatures at 700and 1000 ℃ for an hour and employed as an anode for sodium-ion batteries(SIB).X-ray diffraction(XRD) and Fourier transform(FT)-Raman spectroscopic results indicated the disordered structure with d-spacing(d002) around0.36-0.37 nm,which is a benefit for sodium ion insertion/desertion.Herein,the composition between carbon-nanotube(CNT) and bamboo-derived hard carbon(BB) was synthesized by a ball mill with various contents of CNT(1 wt%,5 wt% and 10 wt%).At the optimal CNT content of 5 wt%,the sample exhibited excellent performance and outstanding stability.As the anode,the half-cell SIB using BB(700)w@5%CNT(with a carbonization temperature of700 ℃ and CNT loading of 5 wt%) delivered a high initial specific capacity of 268.9 mAh·g-1 at 0.1C and capacity retention of 78.6% after 500 cycles at 1.0C.The full cell SIB fabrication BB(700)w@5%CNT in combination with Na3V2(PO4)3 as the cathode demonstrated a high specific capacity of 127.6 mAh·g-1 at 0.2C with its capacitive retention remaining of 78% at 1.0C after 1000 cycles.The attained storage performance indicates that hard carbonCNT composite anode material enhanced the conductive path of electron transport and provided long-term cycling stability.The good electrochemical performance as well as the low cost and environment-friendliness of the bambooderived hard carbon proves its suitability for future sodium-ion batteries.

KeyWords AITranslate

Hard carbon BAMBOO Sodium-ion battery(SIB) Full cell

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Basic Information:

DOI:

Chinese Library Classification Number:TB332[一般工业技术—材料科学与工程];TM912[电气工程—电力电子与电力传动]

Citation Information:

Hard carbon derived from bamboo for the anode material of sodium-ion batteries has a three-dimensional(3D) open framework structure and has naturally incorporated K-ions into its carbon structure,increasing the dinterlayer spacing of hard carbon materials for facilitating Na+ transport.In this work,bamboo-derived hard carbon was prepared via two carbonization temperatures at 700and 1000 ℃ for an hour and employed as an anode for sodium-ion batteries(SIB).X-ray diffraction(XRD) and Fourier transform(FT)-Raman spectroscopic results indicated the disordered structure with d-spacing(d002) around0.36-0.37 nm,which is a benefit for sodium ion insertion/desertion.Herein,the composition between carbon-nanotube(CNT) and bamboo-derived hard carbon(BB) was synthesized by a ball mill with various contents of CNT(1 wt%,5 wt% and 10 wt%).At the optimal CNT content of 5 wt%,the sample exhibited excellent performance and outstanding stability.As the anode,the half-cell SIB using BB(700)w@5%CNT(with a carbonization temperature of700 ℃ and CNT loading of 5 wt%) delivered a high initial specific capacity of 268.9 mAh·g-1 at 0.1C and capacity retention of 78.6% after 500 cycles at 1.0C.The full cell SIB fabrication BB(700)w@5%CNT in combination with Na3V2(PO4)3 as the cathode demonstrated a high specific capacity of 127.6 mAh·g-1 at 0.2C with its capacitive retention remaining of 78% at 1.0C after 1000 cycles.The attained storage performance indicates that hard carbonCNT composite anode material enhanced the conductive path of electron transport and provided long-term cycling stability.The good electrochemical performance as well as the low cost and environment-friendliness of the bambooderived hard carbon proves its suitability for future sodium-ion batteries.

quote

GB/T 7714-2015 [1] Sukanya Pothaya, Chatwarin Poochai, Nantikan Tammanoon, et al. Rare Metals, 2024(1): 124-137.
MLA [1] Sukanya Pothaya, et al., Rare Metals, no. 1, 2024, pp. 124-137.
APA [1] Sukanya Pothaya, Chatwarin Poochai, Nantikan Tammanoon, Yaowamarn Chuminjak, Tanaporn Kongthong, Tanom Lomas, Chakrit Sriprachuabwong, & Adisorn Tuantranont. (2024). Rare Metals(1), 124-137.
IEEE [1] Sukanya Pothaya, Chatwarin Poochai, Nantikan Tammanoon, Yaowamarn Chuminjak, Tanaporn Kongthong, Tanom Lomas, Chakrit Sriprachuabwong, and Adisorn Tuantranont, Rare Metals, no. 1, pp. 124-137, 2024.