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Title: | Biodegradable Zn-ion battery with a lignin composite electrode and bio-ionic liquid based electrolyte: Possible: In situ energy generation by lignin electrocatalysis |
Authors: | Lahiri, A Yang, L Höfft, O Endres, F |
Issue Date: | 8-Mar-2021 |
Publisher: | The Royal Society of Chemistry |
Citation: | Lahiri, A. et al. (2021) 'Biodegradable Zn-ion battery with a lignin composite electrode and bio-ionic liquid based electrolyte: Possible: In situ energy generation by lignin electrocatalysis', Materials Advances, 2 (8), pp. 2676 - 2683 (8). doi: 10.1039/d0ma00954g. |
Abstract: | Copyright © 2021 The Author(s). Electrochemical energy storage with lignin-based composite electrodes offers a cheap and renewable source for batteries. Lignin composites have mainly been used in supercapacitors and little has been investigated related to applying these composites in batteries. Here we show a biodegradable hybrid Zn-ion battery with a polymer/lignin composite electrode as a cathode, a Zn anode and bio-ionic liquid electrolytes. Interestingly, the polymer/lignin composite cathode led to a higher discharge capacity compared to the charge capacity over the entire 100 charge/discharge cycling process. It was observed that the lignin concentration in the composite polymer electrode was crucial in obtaining such a phenomenon. Using SEM, electrochemical analysis and NMR, we showed that lignin electrocatalytically oxidizes during battery charging, which produced the extra energy. This results in obtaining a higher discharge capacity compared to the charge capacity. It is anticipated that such an electrocatalytic technique can be extended to other battery systems to harness clean electrochemical energy from biomass. |
URI: | https://bura.brunel.ac.uk/handle/2438/24224 |
DOI: | https://doi.org/10.1039/d0ma00954g |
ISSN: | 2633-5409 |
Appears in Collections: | Dept of Chemical Engineering Research Papers |
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FullText.pdf | Copyright © 2021 The Author(s). Published by the Royal Society of Chemistry. Open Access Article. This Open Access Article is licensed under a Creative Commons Attribution-Non Commercial 3.0 Unported Licence. | 4.32 MB | Adobe PDF | View/Open |
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