Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 1, Issue 43, Pages 13484-13489Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta12826a
Keywords
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Funding
- Australian Research Council (ARC) [FT110100800, DP1093855]
- Australian Research Council [FT110100800] Funding Source: Australian Research Council
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Free-standing flexible mesoporous graphene-sulfur nanocomposite electrodes have been prepared by a sulfur vapor treatment approach. Amorphous sulfur homogeneously was distributed in the mesoporous architectures of porous graphene paper, in which sulfur was immobilized. The as-prepared mesoporous graphene-sulfur papers can be directly applied as electrodes in lithium-sulfur batteries without using a binder, conductive additives or an extra current collector. The conductive flexible porous graphene networks can effectively facilitate electron transfer and electrolyte diffusion. The free-standing sulfur-graphene nanocomposite electrodes achieved a high discharge capacity of 1393 mA h g(-1) with an enhanced cycling stability and good rate performance.
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