Easy and Scalable Synthesis of NiMnCo-Oxalate Electrode Material for Supercapacitors from Spent Li-Ion Batteries: Power Source for Electrochromic Devices

Pappu, Samhita and Muduli, Sadananda and Katchala, Nanaji and Tata, Narasinga Rao and Bulusu, Sarada V. and Martha, Surendra Kumar (2022) Easy and Scalable Synthesis of NiMnCo-Oxalate Electrode Material for Supercapacitors from Spent Li-Ion Batteries: Power Source for Electrochromic Devices. Energy & Fuels, 36 (21). pp. 13398-13407. ISSN 0887-0624

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Abstract

The rapid transformation of battery-operated electric vehicles leads to the piling up of dead batteries after use. Finding a green and efficient way to recycle these batteries containing essential metals is crucial. Hence, the present work proposes a rapid, facile, and benign synthesis of NiMnCo-oxalate from spent lithium-ion batteries that are then directly used as electrodes for supercapacitors. NiMnCo-oxalate was extracted from dead batteries using citric acid as green leachate. Microwave irradiation was employed to expedite the process of leaching. Microwave-irradiated citric acid-assisted NiMnCo-oxalate when tested for supercapacitor showed a high specific capacity of 93 mAh g-1 (560 F g-1) at 1 A g-1. The designed asymmetric supercapacitor showed good capacitance retention with an energy and power density of 36 Wh kg-1 and 118 W kg-1, respectively. Further, a polyaniline (PANI)//tungsten oxide (WO3)-based electrochromic device was powered by the asymmetric supercapacitor indicating the successful application of recycled materials for similar applications. © 2022 American Chemical Society.

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IITH Creators:

IITH Creators	ORCiD
Martha, Surendra Kumar	https://orcid.org/0000-0002-7762-7237

Item Type:

Article

Additional Information:

The authors acknowledge the financial support received from the ARCI-technical research center {ref AI/1/65/ARCI/2014 (c)} funded by the Department of Science and Technology (DST), Government of India. In addition, they acknowledge S.A. Gaffoor of Roshan Energy Pvt. Ltd., Hyderabad, for providing end-life NMC-based LIBs and the UKIERI program under grant no. DST/INT/UK/P-173/2017, Government of India, for funding.

Uncontrolled Keywords:

Citric acid; Electrochromic devices; Electrodes; Electronic Waste; Lithium-ion batteries; Microwave irradiation; Oxalic acid; Recycling; Supercapacitor; Tungsten compounds

Subjects:

Chemistry

Divisions:

Department of Chemistry

Depositing User:

. LibTrainee 2021

Date Deposited:

11 Nov 2022 11:18

Last Modified:

11 Nov 2022 11:18

URI:

http://raiithold.iith.ac.in/id/eprint/11246