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Exploring the electrochemical activity of bismuth oxychloride for rechargeable aqueous aluminium–metal battery and a method for enhanced performance
Volume 44 Published: 26 August 2021 Article ID 0234
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Fulltext
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Permanent link:
https://www.ias.ac.in/article/fulltext/boms/044/0234 -
Keywords
Aluminium–metal battery ;bismuth oxyhalides ;bismuth oxychloride ;bismuth oxyiodide ;exfoliated graphite. -
Abstract
This report illustrates an investigation on the electrochemical stability of bismuth oxychloride (BiOCl) for rechargeable aluminium–metal battery for the first time. It is shown that Al$^{3+}$ ion could be stored in bismuth oxychloride in aqueous electrolyte. A stable discharge capacity of 145 mAh g$^{-1}$ was achieved over 200 cycles at a current rate of 2.5 A g$^{-1}$. It is found that capacity decline was a major concern. However, a simple and innovative strategy was adopted to dramatically improve the electrochemical stability by synthesizing a binder-free BiOCl electrode on a thermally exfoliated graphite current collector. The use of such current collector is also shown for the first time. The facile method of processing the exfoliated graphite is also discussed.
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Author Affiliations
SUNNY NANDI SHYAMAL KUMAR DAS1
- Department of Physics, Tezpur University, Assam 784028, India
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Dates
- Published
- 26 August 2021
- Manuscript received
- 5 April 2021
- Accepted
- 3 July 2021
- Final version published online
- 26 August 2021
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Supplementary Material
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Bulletin of Materials Science
Volume 45, 2022
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