Amorphous vanadium oxide coating on graphene by atomic layer deposition for stable high energy lithium ion anodes

Amorphous vanadium oxide coating on graphene by atomic layer deposition for stable high energy lithium ion anodes

Uniform amorphous vanadium oxide films were coated on graphene via atomic layer deposition and the nano-composite displays an exceptional capacity of ~900 mA h g(-1) at 200 mAg(-1) with an excellent capacity retention at 1 A g(-1) after 200 cycles. The capacity contribution (1161 mA h g(-1)) from va...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2014-09, Vol.50 (73), p.10703-10706
Hauptverfasser: Sun, Xiang, Zhou, Changgong, Xie, Ming, Hu, Tao, Sun, Hongtao, Xin, Guoqing, Wang, Gongkai, George, Steven M, Lian, Jie
Format: Artikel
Sprache:eng
Schlagworte:
Anodes
Coating
Deposition
Displays
Graphene
Lithium
Nanostructure
Vanadium oxides
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Zusammenfassung:Uniform amorphous vanadium oxide films were coated on graphene via atomic layer deposition and the nano-composite displays an exceptional capacity of ~900 mA h g(-1) at 200 mAg(-1) with an excellent capacity retention at 1 A g(-1) after 200 cycles. The capacity contribution (1161 mA h g(-1)) from vanadium oxide only almost reaches its theoretical value.
ISSN:1359-7345
1364-548X
DOI:10.1039/c4cc04580g