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Abstract:
Vanadium sulfide was first employed as a cathode for all-solid-state lithium-ion batteries and demonstrated superior compatibility with the solid electrolyte, in which the interface between the electrode and solid electrolyte has been optimized. Consequently, it can exhibit excellent electrochemical performance in the voltage range of 1.5-3.5 V. Moreover, the ex-situ X-ray photoelectron spectroscopy measurements reveal the incomplete conversion mechanism to account for the superior electrochemical performance. Specifically, the electrode of VS2 exhibits a large capacity of 268.1 mA h g(-1) at 50 mA g(-1) (rate performance). At a current density of 100 mA g(-1), a large reversible capacity of 215 mA h g(-1) can be maintained after 100 cycles, indicating extraordinary cycling stability, making it a promising electrode for high energy density all-solid-state lithium-ion batteries.
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SCIENCE CHINA-TECHNOLOGICAL SCIENCES
ISSN: 1674-7321
CN: 11-5845/TH
Year: 2022
Issue: 8
Volume: 65
Page: 1859-1866
4 . 6
JCR@2022
4 . 4 0 0
JCR@2023
ESI Discipline: ENGINEERING;
ESI HC Threshold:66
JCR Journal Grade:1
CAS Journal Grade:2
Cited Count:
WoS CC Cited Count: 20
SCOPUS Cited Count: 20
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 3
Affiliated Colleges: