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Issue 24, 2018
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High resolution visualization of the redox activity of Li2O2 in non-aqueous media: conformal layer vs. toroid structure

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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.

Graphical abstract: High resolution visualization of the redox activity of Li2O2 in non-aqueous media: conformal layer vs. toroid structure

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Publication details

The article was received on 30 Dec 2017, accepted on 19 Feb 2018 and first published on 19 Feb 2018


Article type: Communication
DOI: 10.1039/C7CC09957F
Citation: Chem. Commun., 2018,54, 3053-3056
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    High resolution visualization of the redox activity of Li2O2 in non-aqueous media: conformal layer vs. toroid structure

    S. P. E, M. Kang, P. Wilson, L. Meng, D. Perry, A. Basile and P. R. Unwin, Chem. Commun., 2018, 54, 3053
    DOI: 10.1039/C7CC09957F

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