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

journal contribution
posted on 2018-03-01, 00:00 authored by P E Sharel, Minkyung Kang, Paul Wilson, Lingcong Meng, David Perry, Patrick R Unwin, Andrew Basile
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.

History

Journal

Chemical communications

Volume

54

Issue

24

Pagination

3053 - 3056

Publisher

Royal Society of Chemistry

Location

Cambridge, England

eISSN

1364-548X

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2018, The Royal Society of Chemistry

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