Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 3, Issue 7, Pages 3995-4003Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta05848h
Keywords
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Funding
- Recruitment Program of Global Youth Experts
- National Natural Science Foundation of China [51304248]
- Program for New Century Excellent Talents in University [NCET-11-0525]
- Program for Shenghua Overseas Talents from Central South University (CSU)
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A novel Layered@Spinel@Carbon heterostructure is successfully fabricated via an in situ synchronous carbonization-reduction process based on a bio-inspired coating method, which comprises a core of Li-rich layered (R (3) over barm) oxide, a spinel phase (Fd (3) over barm) interlayer and a carbon nano-coating. This unique structure, which combines the advantages of the high capacity Li-rich layered structure, 3D fast Li+ diffusion channels of the spinel structure and the high conductivity of the carbon coating, shows extremely high discharge capacity (as high as 334.5 mA h g(-1)) and superior rate capability. This strategy may provide some new insights into the design and synthesis of various electrode materials for high performance energy storage devices.
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