A kish graphitic lithium-insertion anode material obtained from non-biodegradable plastic waste

T. Sri Devi Kumari, Adriel J.J. Jebaraj, T. Antony Raj, D. Jeyakumar and T. Prem Kumar

Energy, 2016, vol. 95, issue C, 483-493

Abstract: Graphitic carbon continues to dominate as the choice anode material in lithium-ion batteries despite its theoretical specific capacity of 372 mAhg−1. Tailored forms of graphite with higher practical capacities should, therefore, be of interest to the industry. This paper reports the production of a kish graphitic anode material from polyvinyl chloride by simultaneous carbonization of the polymer and dissolution of the resulting carbon in an iron melt to produce a supersaturated solution of carbon in iron, and subsequent precipitation of the carbon as graphite upon cooling. Our study presents a process for converting non-biodegradable plastic wastes that litter our surroundings into a technologically useful product. The new material exhibits a first-cycle reversible capacity of 444 mAhg−1 and sustains at least 200 cycles at C/10 rate before its capacity drops below 372 mAhg−1.

Keywords: Kish graphite; Catalytic graphitization; Anode material; Lithium insertion; Lithium-ion battery; Plastic waste (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:95:y:2016:i:c:p:483-493

DOI: 10.1016/j.energy.2015.11.069

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