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Issue 76, 2013
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Why PEO as a binder or polymer coating increases capacity in the Li–S system

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Abstract

PEO, used either as a binder or a polymer coating, and PEGDME, used as an electrolyte additive, are shown to increase the reversible capacity of Li–S cells. The effect, in all three cases, is the same: an improved solvent system for the electrochemistry of sulfur species and suppression of cathode passivation on discharge. This constitutes a novel interpretation of the mechanistic behaviour of polyethers in the Li–S system, and sheds new light upon several previous studies.

Graphical abstract: Why PEO as a binder or polymer coating increases capacity in the Li–S system

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Publication details

The article was received on 25 Jun 2013, accepted on 08 Aug 2013 and first published on 09 Aug 2013


Article type: Communication
DOI: 10.1039/C3CC44772C
Citation: Chem. Commun., 2013,49, 8531-8533
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    Why PEO as a binder or polymer coating increases capacity in the Li–S system

    M. J. Lacey, F. Jeschull, K. Edström and D. Brandell, Chem. Commun., 2013, 49, 8531
    DOI: 10.1039/C3CC44772C

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