Plasma jet printing induced high-capacity graphite anodes for sustainable recycling of lithium-ion batteries

Bhar, Madhushri and Dey, Avishek and Ghosh, Sourav and van Spronsen, Matthijs A. and Selvaraj, Vimalnath and Kaliprasad, Y. and Krishnamurthy, Satheesh and Martha, Surendra Kumar (2022) Plasma jet printing induced high-capacity graphite anodes for sustainable recycling of lithium-ion batteries. Carbon, 198. pp. 401-410. ISSN 0008-6223

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Graphite is an integral part of lithium-ion batteries (LIBs). However, due to limited resources and high production cost, producing battery grade graphite to meet the increasing demands for energy storage devices is becoming a challenge. One viable approach is to recycle the spent graphite anodes from end-of-life LIBs. Importantly, recycling of spent lithium-ion batteries (LIBs) is off utmost importance to address the global challenge of electronic waste management. Herein, we present an environmentally friendly technique of graphite recycling from spent LIB by water leaching, followed by atmospheric plasma jet printing. The major advantage of this method is that it does not require any binders or conductive diluents. Plasma-printed recycled graphite showed a significantly enhanced specific capacity of 402 mAh g−1 at 500 mA g−1 at the end of the 1000th charge-discharge cycle, in comparison to water-washed recycled graphite (112 mAh g−1) and a 23.35 times faster diffusivity of Li+. A detailed experimental investigation revealed that the plasma activation of the graphitic structure resulted in the improved reversible Li+ storage. This work provides a new perspective on the recycling strategy of graphite anodes using in situ plasma functionalization, a significant step towards the sustainable future of LIBs. © 2022

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IITH Creators:
IITH CreatorsORCiD
Martha, Surendra Kumar
Item Type: Article
Additional Information: Madhushri acknowledges DST-INSPIRE (code: IF180708 ), SG, SKM, AD and SK acknowledges the UKIERI program under grant no. DST/INT/UK/P-173/2017 , Govt. of India for fellowships and funding. SKM and SK acknowledge partial funds from the Royal Academy of Engineering (Academic reference IAPP1R2\100125) for partial support to this work. AD, SK, MS and VS acknowledges the support of the Diamond Light Source , instrument B07–C (proposal 27982) for the XPS and NEXAFS spectroscopy.
Uncontrolled Keywords: Electrochemistry; Graphite anode; Lithium-ion batteries; Plasma jet; Recycling
Subjects: Others > Metallurgy
Materials Engineering > Materials engineering
Divisions: Department of Chemistry
Depositing User: . LibTrainee 2021
Date Deposited: 16 Aug 2022 08:58
Last Modified: 16 Aug 2022 08:58
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