Liu, Hong ; Liu, Lei ; Yi, Min ; Shen, Zhigang ; Liang, Shuaishuai ; Zhang, Xiaojing ; Ma, Shulin (2017)
Liquid-exfoliated MoS_2 nanosheets/graphene composites with high capacity and excellent cycle stability for lithium-ion batteries.
In: Chemical Engineering Journal, 311
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
Improving the rate capability and cycle stability of two-dimensional molybdenum disulfide (MoS2) still holds the key to its application in lithium-ion batteries (LIBs). Here we reported liquid-exfoliated MoS2 nanosheets/graphene composites (MoS2/Gra) towards the high capacity and excellent cycle stability for LIBs. The composites were assembled by pristine graphene and MoS2 nanosheets, which were prepared via the sonication-assisted liquid exfoliation of pristine graphite and MoS2 powders in aqueous surfactant solutions. The composites exhibited the reversible capacity as high as 1145 mAh g−1 after 175 cycles at 100 mA g−1 and excellent rate capability by retaining ∼88% of the capacity at 2000 mA g−1. It is the first time that liquid-exfoliated MoS2/Gra composites show so excellent electrochemical performances and thus are fascinating for LIBs due to the facile, cost-effective and scalable liquid exfoliation route.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2017 |
| Autor(en): | Liu, Hong ; Liu, Lei ; Yi, Min ; Shen, Zhigang ; Liang, Shuaishuai ; Zhang, Xiaojing ; Ma, Shulin |
| Art des Eintrags: | Bibliographie |
| Titel: | Liquid-exfoliated MoS_2 nanosheets/graphene composites with high capacity and excellent cycle stability for lithium-ion batteries |
| Sprache: | Englisch |
| Publikationsjahr: | 2017 |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Chemical Engineering Journal |
| Jahrgang/Volume einer Zeitschrift: | 311 |
| Kurzbeschreibung (Abstract): | Improving the rate capability and cycle stability of two-dimensional molybdenum disulfide (MoS2) still holds the key to its application in lithium-ion batteries (LIBs). Here we reported liquid-exfoliated MoS2 nanosheets/graphene composites (MoS2/Gra) towards the high capacity and excellent cycle stability for LIBs. The composites were assembled by pristine graphene and MoS2 nanosheets, which were prepared via the sonication-assisted liquid exfoliation of pristine graphite and MoS2 powders in aqueous surfactant solutions. The composites exhibited the reversible capacity as high as 1145 mAh g−1 after 175 cycles at 100 mA g−1 and excellent rate capability by retaining ∼88% of the capacity at 2000 mA g−1. It is the first time that liquid-exfoliated MoS2/Gra composites show so excellent electrochemical performances and thus are fascinating for LIBs due to the facile, cost-effective and scalable liquid exfoliation route. |
| Fachbereich(e)/-gebiet(e): | 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Mechanik Funktionaler Materialien 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft 11 Fachbereich Material- und Geowissenschaften |
| Hinterlegungsdatum: | 16 Mär 2017 07:43 |
| Letzte Änderung: | 04 Mai 2017 07:37 |
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