Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 9, Issue 2, Pages 1453-1458Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b12482
Keywords
lithium-ion batteries; anode; magnetite; sandwich-like; nanocables
Funding
- Key Laboratory of Xinjiang Uygur Autonomous Region, China [2015KL010]
- NSFC-Xinjiang of China [U1303391]
- National Natural Science Foundation of China [51672235, 21362037]
- Program for Changjiang Scholars and Innovative Research Team in the University of Ministry of Education of China [IRT1081]
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Through the combined method of a low-temperature reflux and calcination, porous sandwich-like CNT@Fe3O4@C coaxial nanocables were cleverly constructed, which exhibited a favorable specific capacity of 724.8 mA h g(-1) at 1000 mA g(-1), a satisfying rate performance and admirable Coulombic efficiency (ca. 100%) for anodes of lithium-ion batteries. Due to the enlarged contact surface area, shortened le diffusion distance, hierarchical porosity, reasonable structural design and good structural stability, the electrochemical performance of the CNT@Fe3O4@C nanocomposites was greatly enhanced in comparison with the traditional iron oxide anodes. So, it is a good candidate for anode materials with high performance.
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