Lithium intercalation into bilayer graphene

Kemeng Ji*, Jiuhui Han, Akihiko Hirata, Takeshi Fujita, Yuhao Shen, Shoucong Ning, Pan Liu, Hamzeh Kashani, Yuan Tian, Yoshikazu Ito, Jun ichi Fujita, Yutaka Oyama

*この研究の対応する著者

研究成果: Article査読

68 被引用数 (Scopus)

抄録

The real capacity of graphene and the lithium-storage process in graphite are two currently perplexing problems in the field of lithium ion batteries. Here we demonstrate a three-dimensional bilayer graphene foam with few defects and a predominant Bernal stacking configuration, and systematically investigate its lithium-storage capacity, process, kinetics, and resistances. We clarify that lithium atoms can be stored only in the graphene interlayer and propose the first ever planar lithium-intercalation model for graphenic carbons. Corroborated by theoretical calculations, various physiochemical characterizations of the staged lithium bilayer graphene products further reveal the regular lithium-intercalation phenomena and thus fully illustrate this elementary lithium storage pattern of two-dimension. These findings not only make the commercial graphite the first electrode with clear lithium-storage process, but also guide the development of graphene materials in lithium ion batteries.

本文言語English
論文番号275
ジャーナルNature communications
10
1
DOI
出版ステータスPublished - 2019 12月 1
外部発表はい

ASJC Scopus subject areas

  • 化学 (全般)
  • 生化学、遺伝学、分子生物学(全般)
  • 物理学および天文学(全般)

フィンガープリント

「Lithium intercalation into bilayer graphene」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル