Asymmetric Solid-State Supercapacitor Devices Made of Recycled Lithium-Ion Batteries and Palm Loofah Fibers with Exceptional Stability and Energy Density

Funding Sponsor

American University in Cairo

Author's Department

Energy Materials Laboratory

Second Author's Department

Energy Materials Laboratory

Third Author's Department

Energy Materials Laboratory

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https://doi.org/10.1021/acs.energyfuels.4c03252

All Authors

Yasmine I. Mesbah, Doha M. Sayed, Nageh K. Allam

Document Type

Research Article

Publication Title

Energy and Fuels

Publication Date

10-3-2024

doi

10.1021/acs.energyfuels.4c03252

Abstract

Green solid-state supercapacitors are becoming essential, especially with the increasing demand for energy storage devices. However, the acute desire for electronic devices has led to a surge in electronic waste, which affects the environment, human health, and economy. In this regard, we demonstrate the ability to repurpose recovered materials to fabricate highly compatible solid-state supercapacitor devices. Valuable metals from battery waste (M-BW) are recovered, purified through a straightforward hydrometallurgical method, and reused efficiently as positive electrodes in supercapacitor applications. Furthermore, the potential of carbon recycled from agriculture waste (C-AW) is explored as a carbonaceous material for supercapacitor negative electrodes. The morphological and compositional analyses of both recycled materials were characterized using field emission scanning electron microscopy, high-resolution transmission electron microscopy, X-ray diffraction, and X-ray photoelectron spectroscopy techniques. Then, M-BW was combined with C-AW to fabricate a hybrid solid-state supercapacitor device (M-BW//C-AW) and tested electrochemically. The device displays high specific capacitance (60 F g-1) and succeeds in providing high energy and power densities (31 Wh kg-1 at 875 W kg-1). Furthermore, it achieves superior stability with up to 50 000 cycles of charges and discharges, indicating its ability to efficiently store and deliver electrical energy with a capacitance retention rate of 100%.

First Page

19100

Last Page

19106

Comments

Article. Record derived from SCOPUS.

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