Microstructure of carbon derived from mangrove charcoal and its application in Li-ion batteries

Tao Liu, Ruiying Luo, Wenming Qiao, Seong Ho Yoon, Isao Mochida

研究成果: ジャーナルへの寄稿学術誌査読

67 被引用数 (Scopus)


In this study, the microstructure of mangrove-charcoal-derived carbon (MC) was studied using XRD, STM and TEM. MC was found to consist of aligned quasi-spherical structural units with diameters of around 5-20 nm. It shows typical hard carbon characteristics, including a strongly disoriented single graphene layer and BSU, formed by two or three graphene layers stacked nearly parallel. Some curved and faceted graphene layers, especially closed carbon nanoparticles with fullerene-like, were observed in the as-prepared samples. MC was also evaluated as an anodic material for Li-ion batteries. MC carbonized at 1000 °C possessed the highest available discharge capacity (below 0.5 V) of 335 mAh g-1, the high first-cycle coulombic efficiency of 73.7%, good rate and cyclic capability and PC-based electrolyte compatibility. 7Li nuclear magnetic resonance (NMR) spectra of fully lithiated mangrove charcoal-derived carbons indicated the co-existence of three Li species.

ジャーナルElectrochimica Acta
出版ステータス出版済み - 2月 1 2010

!!!All Science Journal Classification (ASJC) codes

  • 化学工学(全般)
  • 電気化学


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