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EnglishIn this study, self-standing and flexible Li-ion battery negative electrodes made of interconnected two-dimensional carbonized cotton fibers are developed by using a controlled pyrolysis method, and their electrochemical performance in laboratory-scale lithium-based cells is investigated at ambient temperature. By applying this binder- and current collector-free cotton-based carbon fiber electrode, both the Li+-ion intercalation and capacity decay mechanisms are explored using conventional organic carbonate-based liquid electrolyte. The cotton-based carbon fiber electrode shows excellent cycling performance and delivers a high discharge capacity in the voltage range of 0.02 - 1.2 V. The post cycling analysis of carbon fiber using HR-TEM shows the major SEI layer components formed at the surface of the active fibers during the charge/discharge process. The same electrode is used to assemble a lab-scale Li-ion full cell with high mass loading LiFePO4-based composite electrode, which demonstrates excellent cycling stability, high Coulombic efficiency and remarkable rate capability at ambient temperature.
Waste to life: Low-cost, self-standing, 2D carbon fiber green Li-ion battery anode made from end-of-life cotton textile / Jagdale, P.; Nair, J. R.; Khan, A.; Armandi, M.; Meligrana, G.; Hernandez, F. R.; Rusakova, I.; Piatti, E.; Rovere, M.; Tagliaferro, A.; Winter, M.; Gerbaldi, C.. - In: ELECTROCHIMICA ACTA. - ISSN 0013-4686. - STAMPA. - 368(2021), p. 137644. [10.1016/j.electacta.2020.137644]
| Titolo: | Waste to life: Low-cost, self-standing, 2D carbon fiber green Li-ion battery anode made from end-of-life cotton textile | |
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| Data di pubblicazione: | 2021 | |
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| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.electacta.2020.137644 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| Waste to Life_ECA manuscript_revised_final.pdf | Accepted manuscript version | 2. Post-print / Author's Accepted Manuscript |  | Embargo: 16/12/2022 Richiedi una copia |
| 1-s2.0-S0013468620320375-main.pdf | 2a Post-print versione editoriale / Version of Record | Non Pubblico - Accesso privato/ristretto | Administrator Richiedi una copia |
http://hdl.handle.net/11583/2874512
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