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Electrophoretic deposition for Lithium-ion battery electrode manufacture
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Lalau, C. C. and Low, John C. T. (2019) Electrophoretic deposition for Lithium-ion battery electrode manufacture. Batteries and Supercaps, 2 (6). pp. 551-559. doi:10.1002/batt.201900017 ISSN 2566-6223.
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Official URL: https://doi.org/10.1002/batt.201900017
Abstract
Electrophoretic deposition (EPD) has receives increasing interests as an alternative manufacturing approach to slurry casting to produce battery and supercapacitor electrodes, because of its relevance for industrial scalability as evidently seen in the current electrophoretic paints industry. Nevertheless, the work so far have only reported thin films of electrophoretically deposited electrodes for energy storage. Here, the electrochemical performance of thick films (up to tens of µm) of Lithium-ion battery electrodes produced by EPD is reported. A commercially sourced LiN1/3M1/3C1/3O2 (5 to 25 µm particle size) was used as an exemplary investigation. This work shows the production of high density active material (> 90%) electrodes that are binder-less. Coin cells were assembled and battery performance were measured. Tests included: CV, C-rate vs capacity, battery cycling and EIS. Other investigations also studied: colloidal electrolyte formulation, electrode manufacture, microstructure characterisation and elemental mapping analysis. In short, EPD electrode manufacture can be applied as a platform technology for any battery and supercapacitor materials, and the reported manufacturing processes and methodologies represent direct relevance to produce electrodes useful to practical applications.
Item Type: | Journal Article | |||||||||
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Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | |||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | |||||||||
Library of Congress Subject Headings (LCSH): | Lithium ion batteries | |||||||||
Journal or Publication Title: | Batteries and Supercaps | |||||||||
Publisher: | Wiley - V C H Verlag GmbH & Co. KGaA | |||||||||
ISSN: | 2566-6223 | |||||||||
Official Date: | June 2019 | |||||||||
Dates: |
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Volume: | 2 | |||||||||
Number: | 6 | |||||||||
Page Range: | pp. 551-559 | |||||||||
DOI: | 10.1002/batt.201900017 | |||||||||
Status: | Peer Reviewed | |||||||||
Publication Status: | Published | |||||||||
Access rights to Published version: | Restricted or Subscription Access | |||||||||
Date of first compliant deposit: | 22 March 2019 | |||||||||
Date of first compliant Open Access: | 24 June 2019 | |||||||||
RIOXX Funder/Project Grant: |
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