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Issue 40, 2013
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Polyimide/carbon black composite nanocoating layers as a facile surface modification strategy for high-voltage lithium ion cathode materials

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Abstract

Ion-conductive polyimide (PI)/electron-conductive carbon black (CB) composite nanocoating layers (referred to as “PI/CB coating layers”) are presented as a facile and scalable surface modification strategy for high-voltage lithium ion cathode materials (here, LiCoO2 (LCO) is chosen as a model system). The PI/CB coating layers exhibit a unique synergistic effect (i.e., boosted electronic conduction (from CB networks) in conjunction with suppression of unwanted interfacial side reactions between delithiated LCO and the liquid electrolyte (due to PI nanothin films)), which thus exerts a beneficial influence on the electrochemical performance and thermal stability of high-voltage cells.

Graphical abstract: Polyimide/carbon black composite nanocoating layers as a facile surface modification strategy for high-voltage lithium ion cathode materials

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Publication details

The article was received on 22 Mar 2013, accepted on 15 Aug 2013 and first published on 16 Aug 2013


Article type: Paper
DOI: 10.1039/C3TA11163F
Citation: J. Mater. Chem. A, 2013,1, 12441-12447
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    Polyimide/carbon black composite nanocoating layers as a facile surface modification strategy for high-voltage lithium ion cathode materials

    J. Park, J. Kim, J. Kim, E. Shim and S. Lee, J. Mater. Chem. A, 2013, 1, 12441
    DOI: 10.1039/C3TA11163F

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