Embedding SiO sub(2) into graphene oxide in situ to generate 3D hierarchical porous graphene laminates for high performance lithium-sulfur batteries

Embedding SiO sub(2) into graphene oxide in situ to generate 3D hierarchical porous graphene laminates for high performance lithium-sulfur batteries

3D hierarchical porous graphene laminates (GLs) with high surface area and porosity were synthesized through self-assembly of functionalized graphene oxide embedded with SiO sub(2) in situ. Thus, as a cathode material for Li-S batteries, the obtained GLs loaded with 73 wt% sulfur, deliver a high dis...

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Veröffentlicht in:RSC advances 2015-09, Vol.5 (98), p.80353-80356
Hauptverfasser: Wu, Wangliang, Wan, Chunying, Wu, Chuxin, Guan, Lunhui
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Sprache:eng
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Discharge
Graphene
Laminates
Lithium sulfur batteries
Oxides
Self assembly
Silicon dioxide
Surface area
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creator Wu, Wangliang
Wan, Chunying
Wu, Chuxin
Guan, Lunhui
description 3D hierarchical porous graphene laminates (GLs) with high surface area and porosity were synthesized through self-assembly of functionalized graphene oxide embedded with SiO sub(2) in situ. Thus, as a cathode material for Li-S batteries, the obtained GLs loaded with 73 wt% sulfur, deliver a high discharge capacity of 800 mA h g super(-1) after 100 cycles at a current density of 0.2C.
doi_str_mv 10.1039/c5ra17813d
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source Royal Society of Chemistry Journals Gold Package
subjects Discharge
Graphene
Laminates
Lithium sulfur batteries
Oxides
Self assembly
Silicon dioxide
Surface area
title Embedding SiO sub(2) into graphene oxide in situ to generate 3D hierarchical porous graphene laminates for high performance lithium-sulfur batteries
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