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An undivided zinc–cerium redox flow battery operating at room temperature (295 K)
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Leung, P. K., Ponce de León, C. and Walsh, F. C. (2011) An undivided zinc–cerium redox flow battery operating at room temperature (295 K). Electrochemistry Communications, Vol.13 (No.8). pp. 770-773. doi:10.1016/j.elecom.2011.04.011 ISSN 1388-2481.
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Official URL: http://dx.doi.org/10.1016/j.elecom.2011.04.011
Abstract
An undivided zinc–cerium hybrid redox flow battery is proposed. High discharge cell voltage of c.a. 2.1 V at 20 mA cm− 2 and an average energy efficiency of 75% were obtained. The cerium half-cell reaction was highly reversible on a carbon felt electrode with less than a 15 mV change between charge and discharge cycles. The limiting factor for extended cycling was the zinc negative electrode, as residual zinc remained on the electrode after discharge. The battery self-discharge was evaluated by monitoring the open-circuit cell voltage, the capacity was found to last for approximately 7 h after being charged for 30 min.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Journal or Publication Title: | Electrochemistry Communications | ||||
Publisher: | Elsevier Inc. | ||||
ISSN: | 1388-2481 | ||||
Official Date: | 2011 | ||||
Dates: |
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Volume: | Vol.13 | ||||
Number: | No.8 | ||||
Page Range: | pp. 770-773 | ||||
DOI: | 10.1016/j.elecom.2011.04.011 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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