Candle Soot derived Fractal-like Carbon Nanoparticles Network as High-Rate Lithium Ion Battery Anode Material

Kakunuri, M and Sharma, Chandra Shekhar (2015) Candle Soot derived Fractal-like Carbon Nanoparticles Network as High-Rate Lithium Ion Battery Anode Material. Electrochimica Acta, 180. pp. 353-359. ISSN 0013-4686

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In this article, we report a facile and inexpensive approach to synthesize fractal-like interconnected network of carbon nanoparticles from candle soot and its direct application as anode material for high-rate lithium ion batteries used for electric vehicles. At low charge/discharge rate (0.5C), an initial discharge capacity was found to be 1997 mAh/g with moderate 30% coulombic efficiency that increased to 91% after 10 cycles. More importantly, at very high charge/discharge rate (10C), reversible capacity was stabilized at 170 mAh/g even after 1000 cycles. This remarkable electrochemical performance may be ascribed to unique morphology of these hard carbon nanoparticles that reduces the diffusion length and also allows fast adsorption/desorption of Li ions on their surface.

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IITH Creators:
IITH CreatorsORCiD
Sharma, Chandra ShekharUNSPECIFIED
Item Type: Article
Additional Information: Authors acknowledge the Indian Institute of Technology, Hyderabad for providing necessary research infrastructure to carry out this work. M. Kakunuri acknowledges Suresh Kali for his help in SAXS experiment and analysis. Initial discussion with M. Pavan on candle soot wettability is also acknowledged.
Uncontrolled Keywords: Candle soot; Carbon nanoparticles; Anode materials; High rate; Lithium-ion battery
Subjects: Chemical Engineering > Technology of industrial chemicals
Chemical Engineering > Biochemical Engineering
Divisions: Department of Chemical Engineering
Depositing User: Team Library
Date Deposited: 07 Sep 2015 04:45
Last Modified: 22 Jan 2019 05:27
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