Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 2, Issue 12, Pages 4449-4456Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta14624c
Keywords
-
Funding
- National Natural Science Foundation of China [21003041, 21103046]
- Hunan Provincial Natural Science Foundation of China [10JJ1011, 11JJ7004]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20120161110016]
- Scholarship Award for Excellent Doctoral Student
- Ministry of Education
- Hunan Provincial Innovation Foundation for Postgraduates [CX2013B166]
Ask authors/readers for more resources
Transition metal oxides are promising high-capacity anode materials for next-generation lithium-ion batteries. However, their cycle life remains a limiting factor with respect to their commercial applications. The development of transition-metal oxide anode materials with long lifespans through a facile route has become an important issue. A straightforward strategy is designed for the fabrication of a NiCo2O4 nanoplates-reduced graphene oxide sheets (NiCo2O4-RGO) composite. It displays a high reversible capacity of 816 mA h g(-1) over 70 cycles with 80.1% capacity retention of the 2nd cycle and excellent rate capability. Its rate capability and cycling stability are enhanced in comparison with those of pure NiCo2O4 nanoplates. The as-obtained nanocomposite avoids the problems of dispersion and aggregation induced by cracking or pulverization of the transition-metal oxide upon cycling. The graphene or reduced graphene oxide not only works as a substrate to provide room for loading scattered grains, but also serves as a conductive network to facilitate the collection and transportation of electrons during the cycling, indirectly increasing the conductivity of NiCo2O4.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available