SiO2-coated sulfur particles with mildly reduced graphene oxide as a cathode material for lithium-sulfur batteries

For the first time, SiO 2 -coated sulfur particles (SCSPs) were fabricated via a facile two-step wet chemical process for application as a novel lithium-sulfur cathode material. With the addition of mildly reduced graphene oxide (mrGO), SCSPs demonstrate even greater cycling stability, maintaining o...

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Published inNanoscale Vol. 7; no. 16; pp. 751 - 755
Main Authors Campbell, Brennan, Bell, Jeffrey, Hosseini Bay, Hamed, Favors, Zachary, Ionescu, Robert, Ozkan, Cengiz S, Ozkan, Mihrimah
Format Journal Article
LanguageEnglish
Published England 28.04.2015
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Summary:For the first time, SiO 2 -coated sulfur particles (SCSPs) were fabricated via a facile two-step wet chemical process for application as a novel lithium-sulfur cathode material. With the addition of mildly reduced graphene oxide (mrGO), SCSPs demonstrate even greater cycling stability, maintaining over 700 mA h g −1 after the 50 th cycle. SiO 2 -coated particles were synthesized using wet chemical processes under ambient conditions as a novel lithium-sulfur cathode material. Performance was further improved via addition of mildly reduced graphene oxide (mrGO).
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ISSN:2040-3364
2040-3372
DOI:10.1039/c4nr07663j