Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 4, Issue 43, Pages 17215-17224Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ta07359j
Keywords
-
Funding
- Natural Science Foundation of Shanghai [14ZR1422100]
- Science and Technology Commission of Shanghai Municipality [14DZ2250800]
Ask authors/readers for more resources
Core-shell nano-structured carbon composites have been used as electrode materials in lithium-ion batteries (LIBs) with increasing attention. The large volume swing during lithiation/delithiation processes and poor electronic conductivity are two key issues in the newly-proposed electrode materials, which severely limit their practical applications in LIBs. In order to solve these problems, we report a facile and versatile method to prepare core-shell nano-structured carbon composites using low cost and widely available tannic acid as the carbon source. The carbon layers with controlled thicknesses of 6-12 nm and 1-3 nm were coated on the surface of Si and TiO2 nanoparticles, respectively. Due to the carbon layers, both the Si@C and TiO2@C nanocomposites used as anode materials in LIBs showed excellent electrochemical performances including good cycling stability and high rate capability. We believe that this method may be applicable to various carbon-coating nanocomposites.
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