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

研究成果: Article

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.

元の言語English
記事番号275
ジャーナルNature Communications
10
発行部数1
DOI
出版物ステータスPublished - 2019 12 1

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Intercalation
Lithium
intercalation
graphene
lithium
electric batteries
graphite
Ions
Foams
Carbon
foams
interlayers
Electrodes
ions
Atoms
Defects
Kinetics
electrodes

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

これを引用

Ji, K., Han, J., Hirata, A., Fujita, T., Shen, Y., Ning, S., ... Oyama, Y. (2019). Lithium intercalation into bilayer graphene. Nature Communications, 10(1), [275]. https://doi.org/10.1038/s41467-018-07942-z

Lithium intercalation into bilayer graphene. / Ji, Kemeng; Han, Jiuhui; Hirata, Akihiko; Fujita, Takeshi; Shen, Yuhao; Ning, Shoucong; Liu, Pan; Kashani, Hamzeh; Tian, Yuan; Ito, Yoshikazu; Fujita, Jun ichi; Oyama, Yutaka.

:: Nature Communications, 巻 10, 番号 1, 275, 01.12.2019.

研究成果: Article

Ji, K, Han, J, Hirata, A, Fujita, T, Shen, Y, Ning, S, Liu, P, Kashani, H, Tian, Y, Ito, Y, Fujita, JI & Oyama, Y 2019, 'Lithium intercalation into bilayer graphene' Nature Communications, 巻. 10, 番号 1, 275. https://doi.org/10.1038/s41467-018-07942-z
Ji, Kemeng ; Han, Jiuhui ; Hirata, Akihiko ; Fujita, Takeshi ; Shen, Yuhao ; Ning, Shoucong ; Liu, Pan ; Kashani, Hamzeh ; Tian, Yuan ; Ito, Yoshikazu ; Fujita, Jun ichi ; Oyama, Yutaka. / Lithium intercalation into bilayer graphene. :: Nature Communications. 2019 ; 巻 10, 番号 1.
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