Amorphous C/SbSx composites from natural stibnite as low cost and high performance lithium/sodium-ion battery anodes

文献信息

发布日期 2023-10-26
DOI 10.1039/D3TA05355E
影响因子 12.732
作者

Shuonan Wang, Kai Zhang, Hao Liu, Libing Liao


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摘要

Antimony sulfide is a promising anode material for lithium/sodium-ion batteries due to its high theoretical capacity, but it suffers from large volume expansion during cycling and high cost. In the present work, we synthesized low cost amorphous C/SbSx (x ≈ 1.18) composites using natural stibnite and charcoal as raw materials by a fast microwave heating method (tens of seconds). These composites showed excellent cycling performance and rate capability as anodes for lithium/sodium-ion batteries. For instance, the C/SbSx composite with 74 wt% SbSx delivered a stable capacity of 686 mA h g−1 after 500 cycles at a current density of 0.5 A g−1 and a high rate capacity of 520 mA h g−1 at a current density of 2 A g−1 in lithium-ion batteries. The amorphization of SbSx was found to be crucial for the improvement of the cycling performance of the composite, as it could suppress the volume expansion and enhance the reversibility during the electrochemical reactions. The excellent rate capability of this composite was mainly attributed to the reduced size of the active material and the combination with conductive charcoal. This work demonstrates the great potential of using natural stibnite as a raw material for low cost and high performance lithium/sodium-ion battery anodes by a fast microwave heating method.

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来源期刊

Journal of Materials Chemistry A

Journal of Materials Chemistry A
CiteScore: 19.5
自引率: 4.7%
年发文量: 2211

Journal of Materials Chemistry A, B & C cover high quality studies across all fields of materials chemistry. The journals focus on those theoretical or experimental studies that report new understanding, applications, properties and synthesis of materials. The journals have a strong history of publishing quality reports of interest to interdisciplinary communities and providing an efficient and rigorous service through peer review and publication. The journals are led by an international team of Editors-in-Chief and Associate Editors who are all active researchers in their fields. Journal of Materials Chemistry A, B & C are separated by the intended application of the material studied. Broadly, applications in energy and sustainability are of interest to Journal of Materials Chemistry A, applications in biology and medicine are of interest to Journal of Materials Chemistry B, and applications in optical, magnetic and electronic devices are of interest to Journal of Materials Chemistry C. More than one Journal of Materials Chemistry journal may be suitable for certain fields and researchers are encouraged to submit their paper to the journal that they feel best fits for their particular article. Example topic areas within the scope of Journal of Materials Chemistry A are listed below. This list is neither exhaustive nor exclusive. Artificial photosynthesis Batteries Carbon dioxide conversion Catalysis Fuel cells Gas capture/separation/storage Green/sustainable materials Hydrogen generation Hydrogen storage Photocatalysis Photovoltaics Self-cleaning materials Self-healing materials Sensors Supercapacitors Thermoelectrics Water splitting Water treatment

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