Nano-cellular carbon current collectors with stable cyclability for Li-S batteries

Sheng Heng Chung; Arumugam Manthiram

doi:10.1039/c3ta11819c

Nano-cellular carbon current collectors with stable cyclability for Li-S batteries

Sheng Heng Chung, Arumugam Manthiram

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

63 Citations (Scopus)

Abstract

Li-S batteries have been investigated with a simple modification of the electrode configuration by applying a nano-cellular carbon current collector (NC current collector). This micro-meso-macro-porous electrode is composed of interwoven carbon fibers with the carbon nanofoam firmly attached to them. The nanofoam plate functions as a reservoir to store the active material and localize the dissolved polysulfides, stabilizing the electrochemical reaction within the cathode region. As a result, the NC current collector offers a considerably high discharge capacity and superior cycle stability.

Original language	English
Pages (from-to)	9590-9596
Number of pages	7
Journal	Journal of Materials Chemistry A
Volume	1
Issue number	34
DOIs	https://doi.org/10.1039/c3ta11819c
Publication status	Published - 2013 Sep 14

All Science Journal Classification (ASJC) codes

Chemistry(all)
Renewable Energy, Sustainability and the Environment
Materials Science(all)

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10.1039/c3ta11819c

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abstract = "Li-S batteries have been investigated with a simple modification of the electrode configuration by applying a nano-cellular carbon current collector (NC current collector). This micro-meso-macro-porous electrode is composed of interwoven carbon fibers with the carbon nanofoam firmly attached to them. The nanofoam plate functions as a reservoir to store the active material and localize the dissolved polysulfides, stabilizing the electrochemical reaction within the cathode region. As a result, the NC current collector offers a considerably high discharge capacity and superior cycle stability.",

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AB - Li-S batteries have been investigated with a simple modification of the electrode configuration by applying a nano-cellular carbon current collector (NC current collector). This micro-meso-macro-porous electrode is composed of interwoven carbon fibers with the carbon nanofoam firmly attached to them. The nanofoam plate functions as a reservoir to store the active material and localize the dissolved polysulfides, stabilizing the electrochemical reaction within the cathode region. As a result, the NC current collector offers a considerably high discharge capacity and superior cycle stability.

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