NDLI: Cobalt oxyhydroxide/graphene oxide nanocomposite for amelioration of electrochemical performance of lithium/sulfur batteries

Content Provider	Springer Nature Link
Author	Seyyedin, Seyyed Taher Yaftian, Mohammad Reza Sovizi, Mohammad Reza
Copyright Year	2016
Abstract	Cobalt oxyhydroxide combination with graphene oxide (CoOOH@GO) as a novel conductive matrix is developed for high performance lithium/sulfur batteries. Enhancement retention of polysulfide species into matrix of cobalt oxyhydroxide anchored on graphene oxide flakes by strong chemical binding of carbon-sulfur is demonstrated. Sulfur incorporated in the sheet-like morphology of CoOOH@GO delivers high initial discharge specific capacity of 1190.85 mAh/g, which raises 260 mAh/g with respect to graphene oxide/sulfur (GO/S) as a cathode material. Furthermore, CoOOH@GO/S maintains the average coulombic efficiency of 96 % after 300 cycles at 1 C rate with capacity retention of about 61 %. Good current rate capability of CoOOH@GO/S cathode reveals that the resulting composite is open platform for electrolyte diffusion and fast ion transportation leading to the improved electrochemical performance of lithium/sulfur batteries.
Starting Page	649
Ending Page	656
Page Count	8
File Format	PDF
ISSN	14328488
Journal	Journal of Solid State Electrochemistry
Volume Number	21
Issue Number	3
e-ISSN	14330768
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-10-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Lithium/sulfur battery Sheet like structures Metal oxyhydroxide Sulfur cathode Physical Chemistry Electrochemistry Energy Storage Characterization and Evaluation of Materials Analytical Chemistry Condensed Matter Physics
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Materials Science Electrical and Electronic Engineering Electrochemistry

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