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An artificial β-PVDF nanofiber layer for dendrite-free zinc anode in rechargeable aqueous batteries

Journal of materials science, 2023, Vol.58 (4), p.1708-1720 [Peer Reviewed Journal]

The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. ;ISSN: 0022-2461 ;EISSN: 1573-4803 ;DOI: 10.1007/s10853-023-08139-6

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Title:
An artificial β-PVDF nanofiber layer for dendrite-free zinc anode in rechargeable aqueous batteries
Author: Yuan, Xinghan ; Yi, Juan ; Li, Chenjian ; Zhao, Zhenghui ; Xiong, Chuanxi
Subjects: Anodic coatings ; Aqueous solutions ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Classical Mechanics ; Contact angle ; Crystallography and Scattering Methods ; Dendritic structure ; Electrode polarization ; Electrodes ; Electrolytes ; Energy Materials ; Energy storage ; Fluorides ; Hydrogen evolution reactions ; Manganese dioxide ; Materials Science ; Nanofibers ; Polymer coatings ; Polymer Sciences ; Polymers ; Polyvinylidene fluorides ; Rechargeable batteries ; Solid Mechanics ; Trifluoromethane ; Zinc
Is Part Of: Journal of materials science, 2023, Vol.58 (4), p.1708-1720
Description: Owing to the merits of environmental friendliness and sustainability, aqueous zinc ion battery (AZIB) is considered as a promising energy storage system. Nevertheless, the further application of AZIB is largely limited by the growth of zinc dendrite and hydrogen evolution reaction of Zn anode. Here, a β-polyvinylidene fluoride (β-PVDF) nanofiber modified by 1-butyl-3-methyl imidazolium trifluoromethane sulfonate coating layer was prepared to tackle the problem of Zn anode. The artificial β-PVDF can restrict HER and provide driving force to accelerate the migration of Zn 2+ at electrolyte/Zn interface, which enables uniform and compact Zn deposition. And the symmetric cell with polymer-coating-layer-modified Zn anode demonstrates a long cycle for 1000 h at 2 mA cm −2 . Moreover, the artificial β-PVDF nanofiber layer achieves a very low polarization voltage of about 50 mV even if the current density gradually increases to 10 mA cm −2 . Consequently, the β-PVDF/BMI@Zn||MnO 2 full cell reaches a high specific capacity of 186 mAh g −1 after 1600 cycles at 1 A g −1 . This work provides a new possibility for the realization of high performance Zn anode. Graphical abstract
Publisher: New York: Springer US
Language: English
Identifier: ISSN: 0022-2461
EISSN: 1573-4803
DOI: 10.1007/s10853-023-08139-6
Source: ProQuest Central

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An artificial β-PVDF nanofiber layer for dendrite-free zinc anode in rechargeable aqueous batteries

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