Confine Sulfur in Mesoporous Chromium-Metal–Organic Frameworks (MIL-101) for Long-life Lithium–Sulfur Batteries

Large surface area and mesoporous Chromium-Metal–Organic Frameworks (MIL-101(Cr)) have been prepared as a sulfur host for long-life Li-S batteries. The MIL-101(Cr)/S cathode exhibits excellent electrochemical performance, high initial discharge capacity of 1210.5 mAh g-1 at 0.1 C and a retentive cap...

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Bibliographic Details
Published inInternational journal of electrochemical science Vol. 13; no. 12; pp. 11443 - 11453
Main Authors Li, Miaomiao, Su, Wenxiao, Feng, Wangjun, Gao, Guangjie, Chen, Lijing, Song, Changkun
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.12.2018
Subjects
Lithium-sulfur battery
MIL-101(Cr)
Shuttle effect
Sulfur cathode
Sulfur cathode
Lithium-sulfur battery
MIL-101(Cr)
Shuttle effect
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Summary:Large surface area and mesoporous Chromium-Metal–Organic Frameworks (MIL-101(Cr)) have been prepared as a sulfur host for long-life Li-S batteries. The MIL-101(Cr)/S cathode exhibits excellent electrochemical performance, high initial discharge capacity of 1210.5 mAh g-1 at 0.1 C and a retentive capacity of 60.1% after 400 cycles at 0.2 C. Especially, the capacity contributed by the first platform of the discharge is only attenuated by 66.71mA g-1 at the current density of from 0.1C increasing to 0.5C, which means that MIL-101(Cr)/S can obviously inhibit the occurrence of the shuttle effect. Experimental results indicate that the MIL-101(Cr) is a potential host material for the long-life and high performance lithium–sulfur batteries.
ISSN:1452-3981
1452-3981
DOI:10.20964/2018.12.67