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Abstract:
All-solid-state batteries (SSBs) are prospective candidates for a range of energy accumulation systems, delivering higher energy densities compared to batteries which use liquid electrolytes. Amongst the numerous solid-state electrolytes (SEs), sulfide-based electrolytes in particular have received more attention given that they have a high ionic conductivity. However, the incompatibility between the electrode and SEs is still an ongoing challenge that leads to poor electrochemical performance. In this work, we focus on 1T-MoS2. It is well known that 1T metallic MoS2 is unstable even at room temperature. However, we showed that 1T-MoS2 can be stabilized at 600 degrees C for at least 2 h, and the 1T-MoS2-600 interlayer spacing expanded to 0.95 nm. The high crystallinity of the 1T phase is highly compatible with solid electrolytes and coupled with the increased interlayer spacing, so in the all-solid-state lithium-ion battery (ALLLIB), we achieved outstanding cycling performance. At the current density of 0.2 C (1 C = 670 mA g(-1)), this material delivered a capacity of 406 mA h g(-1) after 50 cycles.
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BATTERIES-BASEL
ISSN: 2313-0105
Year: 2023
Issue: 1
Volume: 9
4 . 6
JCR@2023
4 . 6 0 0
JCR@2023
ESI Discipline: MATERIALS SCIENCE;
ESI HC Threshold:49
JCR Journal Grade:2
CAS Journal Grade:3
Cited Count:
WoS CC Cited Count: 14
SCOPUS Cited Count: 14
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 0
Affiliated Colleges: