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Issue 43, 2010
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Flexible and planar graphene conductive additives for lithium-ion batteries

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Abstract

Graphene is introduced into a lithium-ion battery (LIB) as a type of novel but powerful planar conductive additive and the flexible graphene-based conducting network is characterized by a novel “plane-to-point” conducting mode with exceptional electron transport properties and unique geometrical nature (a soft and ultrathin planar structure). With a much lower fraction of graphene additives than those of commercial carbon based additives, the graphene-introduced LiFePO4 cathode shows better charge/discharge performance than commercial cases. Graphene also shows a better performance compared to carbon nanotubes, another type of novel conductive additive with similar fractions. These results present us an indication that graphene will possibly find early application as a flexible and planar conductive additive in high performance LIBs, as our further efforts have shown that a graphene-introduced battery is of better performance as compared to real commercial batteries with conventional additives.

Graphical abstract: Flexible and planar graphene conductive additives for lithium-ion batteries

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Publication details

The article was received on 27 May 2010, accepted on 19 Jul 2010 and first published on 20 Sep 2010


Article type: Paper
DOI: 10.1039/C0JM01633K
Citation: J. Mater. Chem., 2010,20, 9644-9650
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    Flexible and planar graphene conductive additives for lithium-ion batteries

    F. Su, C. You, Y. He, W. Lv, W. Cui, F. Jin, B. Li, Q. Yang and F. Kang, J. Mater. Chem., 2010, 20, 9644
    DOI: 10.1039/C0JM01633K

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