Journal
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
Volume 153, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jpcs.2021.109992
Keywords
Tin sulfide; Potassium-ion batteries; Electrochemical performance; Carbon nanosheets; Anode material
Funding
- National Natural Science Foundation of China [21875041, 21771180]
- Fujian Provincial Department of Science and Technology [2019J01207]
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Carbon-supported SnS composite prepared via solvothermal process and thermal calcination exhibits good potassium storage performance in potassium-ion batteries, with high capacity and long-cycling stability.
Carbon-supported SnS composite was prepared via a solvothermal process followed by thermal calcination. The carbon nanosheets could not only ensure electron conduction within the composite but also alleviate the volume change of SnS during the charging/discharging process. As a result, when employed as an anode material for potassium-ion batteries, the composite delivers good potassium storage performance. In detail, at a current density of 100 mA g(-1), its capacity is still higher than 102.6 mAh g(-1) after 50 cycles. In terms of long-cycling stability, 76.1 mAh g(-1) was obtained after 200 cycles at 200 mA g(-1).
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