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Romanenko K, Forsyth M, O'Dell LA. New opportunities for quantitative and time efficient 3D MRI of liquid and solid electrochemical cell components: Sectoral Fast Spin Echo and SPRITE. J Magn Reson. 2014;248:96-104doi: 10.1016/j.jmr.2014.09.017.
Romanenko, K., Forsyth, M., & O'Dell, L. A. (2014). New opportunities for quantitative and time efficient 3D MRI of liquid and solid electrochemical cell components: Sectoral Fast Spin Echo and SPRITE. Journal of magnetic resonance (San Diego, Calif. : 1997), 24896-104. https://doi.org/10.1016/j.jmr.2014.09.017
Romanenko, Konstantin, et al. "New opportunities for quantitative and time efficient 3D MRI of liquid and solid electrochemical cell components: Sectoral Fast Spin Echo and SPRITE." Journal of magnetic resonance (San Diego, Calif. : 1997) vol. 248 (2014): 96-104. doi: https://doi.org/10.1016/j.jmr.2014.09.017
Romanenko K, Forsyth M, O'Dell LA. New opportunities for quantitative and time efficient 3D MRI of liquid and solid electrochemical cell components: Sectoral Fast Spin Echo and SPRITE. J Magn Reson. 2014 Nov;248:96-104. doi: 10.1016/j.jmr.2014.09.017. Epub 2014 Oct 02. PMID: 25442778.
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J Magn Reson. 2014 Nov;248:96-104. doi: 10.1016/j.jmr.2014.09.017. Epub 2014 Oct 02.

New opportunities for quantitative and time efficient 3D MRI of liquid and solid electrochemical cell components: Sectoral Fast Spin Echo and SPRITE.

Journal of magnetic resonance (San Diego, Calif. : 1997)

Konstantin Romanenko, Maria Forsyth, Luke A O'Dell

Affiliations

  1. Institute for Frontier Materials, Deakin University, Waurn Ponds Campus, Geelong, Victoria 3220, Australia. Electronic address: [email protected].
  2. Institute for Frontier Materials, Deakin University, Waurn Ponds Campus, Geelong, Victoria 3220, Australia.

PMID: 25442778 DOI: 10.1016/j.jmr.2014.09.017

Abstract

The ability to image electrochemical processes in situ using nuclear magnetic resonance imaging (MRI) offers exciting possibilities for understanding and optimizing materials in batteries, fuel cells and supercapacitors. In these applications, however, the quality of the MRI measurement is inherently limited by the presence of conductive elements in the cell or device. To overcome related difficulties, optimal methodologies have to be employed. We show that time-efficient three dimensional (3D) imaging of liquid and solid lithium battery components can be performed by Sectoral Fast Spin Echo and Single Point Imaging with T1 Enhancement (SPRITE), respectively. The former method is based on the generalized phase encoding concept employed in clinical MRI, which we have adapted and optimized for materials science and electrochemistry applications. Hard radio frequency pulses, short echo spacing and centrically ordered sectoral phase encoding ensure accurate and time-efficient full volume imaging. Mapping of density, diffusivity and relaxation time constants in metal-containing liquid electrolytes is demonstrated. 1, 2 and 3D SPRITE approaches show strong potential for rapid high resolution (7)Li MRI of lithium electrode components.

Copyright © 2014 Elsevier Inc. All rights reserved.

Keywords: (7)Li MRI; 3D Fast Spin Echo; Diffusion; Electrochemistry; Generalized phase encoding; Relaxation; SPRITE; k-Space sampling

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