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

Kim, J. H., Byeon, M., Jeong, Y. C., Oh, J. Y., Jung, Y., Fechler, N., et al. (2017). Morphochemical imprinting of melamine cyanurate mesocrystals in glucose-derived carbon for high performance lithium ion batteries. Journal of Materials Chemistry A, 5(39), 20635-20642. doi:10.1039/C7TA05853E.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-C93C-E Version Permalink: https://hdl.handle.net/21.11116/0000-0007-EE40-5
Genre: Journal Article

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 Creators:
Kim, Jae Ho, Author
Byeon, Minhoo, Author
Jeong, Yo Chan, Author
Oh, Jun Young, Author
Jung, Yeonsu, Author
Fechler, Nina1, Author           
Yang, Seung Jae, Author
Park, Chong Rae, Author
Affiliations:
1Nina Fechler, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2173643              

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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) mesocrystal is prepared by simple self-assembly and utilized as a sacrificial template. The unique morphological and chemical features of the MCA are imprinted into 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 outstanding electrochemical performance (2019 mAh g-1 at 100 mA g-1 and 643 mAh 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.

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 Dates: 2017-08-122017
 Publication Status: Issued
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 Identifiers: DOI: 10.1039/C7TA05853E
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Title: Journal of Materials Chemistry A
  Abbreviation : J. Mater. Chem. A
Source Genre: Journal
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Publ. Info: Cambridge, UK : Royal Society of Chemistry
Pages: - Volume / Issue: 5 (39) Sequence Number: - Start / End Page: 20635 - 20642 Identifier: ISSN: 2050-7488