Journal
IONICS
Volume 25, Issue 4, Pages 1551-1558Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11581-018-2782-1
Keywords
Antimony triselenide; Nanosheets; Lithium-ion batteries; Sodium-ion batteries; Anode
Funding
- Natural Science Foundation of Shandong Province [ZR2018MEM020]
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Metal chalcogenides are considered as promising anode materials for lithium and sodium-ion batteries because of their large theoretical capacities. However, large volume expansion and low conductivity still limit their practical applications. In this work, three-dimensional cube-like Sb2Se3/C assembled by ultrathin nanosheets is prepared by a facile solvothermal method and a carbonization process. The as-achieved cube-like Sb2Se3/C displays good electrochemical performance both in lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs). When applied as anode for LIBs, a capacity of 440.9mAhg(-1) can be maintained after 100cycles at the current density of 0.2Ag(-1). When used as the anode for SIBs, it exhibits the discharge capacity of 433mAhg(-1) at the 100th cycle at 0.2Ag(-1).
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