In situ, real-time visualization of electrochemistry using magnetic resonance imaging

Britton, Melanie M., Bayley, Paul M., Howlett, Patrick C., Davenport, Alison J. and Forsyth, Maria 2013, In situ, real-time visualization of electrochemistry using magnetic resonance imaging, Journal of physical chemistry letters, vol. 4, no. 17, pp. 3019-3023.

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Title In situ, real-time visualization of electrochemistry using magnetic resonance imaging
Author(s) Britton, Melanie M.
Bayley, Paul M.
Howlett, Patrick C.
Davenport, Alison J.
Forsyth, Maria
Journal name Journal of physical chemistry letters
Volume number 4
Issue number 17
Start page 3019
End page 3023
Total pages 5
Publisher American Chemical Society
Place of publication Washington, D.C.
Publication date 2013
ISSN 1948-7185
Keyword(s) eddy currents
relaxation time maps
velocity imaging
Zn-air battery
Summary The drive to develop better electrochemical energy storage devices requires the development of not only new materials, but also better understanding of the underpinning chemical and dynamical processes within such devices during operation, for which new analytical techniques are required. Currently, there are few techniques that can probe local composition and transport in the electrolyte during battery operation. In this paper, we report a novel application of magnetic resonance imaging (MRI) for probing electrochemical processes in a model electrochemical cell. Using MRI, the transport and zinc and oxygen electrochemistry in an alkaline electrolyte, typical of that found in zinc-air batteries, are investigated. Magnetic resonance relaxation maps of the electrolyte are used to visualize the chemical composition and electrochemical processes occurring during discharge in this model metal-air battery. Such experiments will be useful in the development of new energy storage/conversion devices, as well as other electrochemical technologies.
Language eng
Field of Research 099999 Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2013, American Chemical Society
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Document type: Journal Article
Collection: Institute for Frontier Materials
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