High resolution visualization of the redox activity of Li2O2in non-aqueous media:: Conformal layer vs. toroid structure
High resolution visualization of the redox activity of Li2O2in non-aqueous media:: Conformal layer vs. toroid structure
A strong relationship between the surface structure and the redox activity of Li2O2 is visualized directly using scanning electrochemical cell microscopy, employing a dual-barrel nanopipette containing a unique gel polymer electrolyte. These measurements reveal considerable local heterogeneity with significantly enhanced electrochemical activity at toroidal Li2O2 structures when compared to the conformal layer that is usually formed on the cathode of Li–O2 batteries.
3053-3056
Sharel, P.E.
4b25b9cd-eb15-4f9d-bd05-d8c9d1cbf367
Kang, Minkyung
7396732d-4b12-46e8-aa15-ca3655081651
Wilson, Paul
37e9e6a0-68a6-4341-a648-0e4751941734
Meng, Lingcong
8de7a0cb-c6aa-4dfd-94f5-bcdae5105a56
Perry, David
4391bf02-c3b7-4364-87f2-34e15657b07d
Basile, Andrew
c9b02778-9053-44e6-9c8f-0e1662870a51
Unwin, Patrick R.
abd1479a-8cf3-4f5c-87d1-1326a3c9632b
25 March 2018
Sharel, P.E.
4b25b9cd-eb15-4f9d-bd05-d8c9d1cbf367
Kang, Minkyung
7396732d-4b12-46e8-aa15-ca3655081651
Wilson, Paul
37e9e6a0-68a6-4341-a648-0e4751941734
Meng, Lingcong
8de7a0cb-c6aa-4dfd-94f5-bcdae5105a56
Perry, David
4391bf02-c3b7-4364-87f2-34e15657b07d
Basile, Andrew
c9b02778-9053-44e6-9c8f-0e1662870a51
Unwin, Patrick R.
abd1479a-8cf3-4f5c-87d1-1326a3c9632b
Sharel, P.E., Kang, Minkyung, Wilson, Paul, Meng, Lingcong, Perry, David, Basile, Andrew and Unwin, Patrick R.
(2018)
High resolution visualization of the redox activity of Li2O2in non-aqueous media:: Conformal layer vs. toroid structure.
Chemical Communications, 54 (24), .
(doi:10.1039/c7cc09957f).
Abstract
A strong relationship between the surface structure and the redox activity of Li2O2 is visualized directly using scanning electrochemical cell microscopy, employing a dual-barrel nanopipette containing a unique gel polymer electrolyte. These measurements reveal considerable local heterogeneity with significantly enhanced electrochemical activity at toroidal Li2O2 structures when compared to the conformal layer that is usually formed on the cathode of Li–O2 batteries.
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Accepted/In Press date: 19 February 2018
e-pub ahead of print date: 19 February 2018
Published date: 25 March 2018
Identifiers
Local EPrints ID: 424589
URI: http://eprints.soton.ac.uk/id/eprint/424589
ISSN: 1359-7345
PURE UUID: c7c5aa8c-bdd4-410a-a85e-13b9fb6fd851
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Date deposited: 05 Oct 2018 11:39
Last modified: 15 Mar 2024 21:22
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Contributors
Author:
P.E. Sharel
Author:
Minkyung Kang
Author:
Paul Wilson
Author:
David Perry
Author:
Andrew Basile
Author:
Patrick R. Unwin
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