Anode performance of a new layered nitride Li3-xCoxN (x = 0.2-0.6)

T. Shodai, Shigeto Okada, S. Tobishima, J. Yamaki

Research output: Contribution to journalArticle

77 Citations (Scopus)

Abstract

The Li3-xCoxN (x = 0.2-0.6) system was investigated for use as an anode material for lithium rechargeable cells. The anode performance of this system was evaluated by using Li metal/Li3-xCoxN cells. Li2.6Co0.4N in this system exhibits the highest specific capacity of 760 mAh/ g in the 0-1.4 V range, and shows the best cycle performance. The capacity of the first extraction was 2-x Li/mol, and depended on the amount (x) of substituted Co. In addition, the structure changed gradually from the crystalline phase with hexagonal symmetry to the amorphous phase as lithium was removed during the first extraction. The cycle performance of a lithium-ion cell was evaluated by using the Li1.6Co0.4N/LiNiO2 cell. This cell showed good cycleability of more than 240 cycles. This system is thus very promising for application to lithium-ion cells.

Original languageEnglish
Pages (from-to)515-518
Number of pages4
JournalJournal of Power Sources
Volume68
Issue number2
DOIs
Publication statusPublished - Jan 1 1997

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Lithium
Nitrides
nitrides
Anodes
anodes
lithium
cells
Ions
cycles
Crystal symmetry
Metals
Crystalline materials
ions
symmetry
metals

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

Cite this

Anode performance of a new layered nitride Li3-xCoxN (x = 0.2-0.6). / Shodai, T.; Okada, Shigeto; Tobishima, S.; Yamaki, J.

In: Journal of Power Sources, Vol. 68, No. 2, 01.01.1997, p. 515-518.

Research output: Contribution to journalArticle

Shodai, T. ; Okada, Shigeto ; Tobishima, S. ; Yamaki, J. / Anode performance of a new layered nitride Li3-xCoxN (x = 0.2-0.6). In: Journal of Power Sources. 1997 ; Vol. 68, No. 2. pp. 515-518.
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