Discharge product morphology and increased charge performance of lithium–oxygen batteries with graphene nanosheet electrodes: the effect of sulphur doping

Yongliang Li; Jiajun Wang; Xifei Li; Dongsheng Geng; Mohammad N. Banis; Yongji Tang; Dongniu Wang; Ruying Li; Tsun-Kong Sham; Xueliang Sun

doi:10.1039/C2JM34718K

Discharge product morphology and increased charge performance of lithium–oxygen batteries with graphenenanosheet electrodes: the effect of sulphur doping†

Yongliang Li,^a Jiajun Wang,^a Xifei Li,^a Dongsheng Geng,^a Mohammad N. Banis,^a Yongji Tang,^ab Dongniu Wang,^ab Ruying Li,^a Tsun-Kong Sham^b and Xueliang Sun*^a

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^a Department of Mechanical and Materials Engineering, University of Western Ontario, London, Ontario, Canada
E-mail: xsun@eng.uwo.ca
Fax: +1-519-6613020
Tel: +1-519-6612111 ext. 87759

^b Department of Chemistry, University of Western Ontario, London, Ontario, Canada

Abstract

Sulphur-doped graphene was successfully fabricated and its influence on the discharge product formation in lithium–oxygen batteries was demonstrated. The growth and distribution of the discharge products were studied and a mechanism was proposed. This will have significant implication for cathode catalysts and rechargeable battery performance.

Journal of Materials Chemistry

Discharge product morphology and increased charge performance of lithium–oxygen batteries with graphenenanosheet electrodes: the effect of sulphur doping†

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Discharge product morphology and increased charge performance of lithium–oxygen batteries with graphene nanosheet electrodes: the effect of sulphur doping

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