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Morphochemical imprinting of melamine cyanurate mesocrystals in glucose-derived carbon for high performance lithium ion batteries

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Abstract

A novel dual imprinting method is suggested to synthesize pyridinic N-enriched, hierarchically porous carbon. Rose-like melamine cyanurate (MCA) mesocrystals are prepared by simple self-assembly and utilized as a sacrificial template. The unique morphological and chemical features of the MCA are imprinted in the carbon source during carbonization. Curled graphene-like layers with a high nitrogen content (19.9 at%, especially 8.9 at% of pyridinic N) are interconnected to form a unique red blood cell-shaped morphology with a hierarchical pore structure. The resulting material exhibits an outstanding electrochemical performance (2019 mA h g−1 at 100 mA g−1 and 643 mA h g−1 at 2000 mA g−1 after 250 cycles) when evaluated as an anode material for lithium ion batteries. Furthermore, this novel imprinting strategy can provide a simple and efficient methodology to produce pyridinic N-enriched, hierarchically porous carbonaceous materials for extensive applications.

Graphical abstract: Morphochemical imprinting of melamine cyanurate mesocrystals in glucose-derived carbon for high performance lithium ion batteries

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Publication details

The article was received on 06 Jul 2017, accepted on 11 Aug 2017 and first published on 12 Aug 2017


Article type: Paper
DOI: 10.1039/C7TA05853E
Citation: J. Mater. Chem. A, 2017, Advance Article
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    Morphochemical imprinting of melamine cyanurate mesocrystals in glucose-derived carbon for high performance lithium ion batteries

    J. H. Kim, M. Byeon, Y. C. Jeong, J. Y. Oh, Y. Jung, N. Fechler, S. J. Yang and C. R. Park, J. Mater. Chem. A, 2017, Advance Article , DOI: 10.1039/C7TA05853E

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