Electrochemical and structural study of Li2CuO2, LiCuO2 and NaCuO2

Hajime Arai, Shigeto Okada, Yoji Sakurai, Jun Ichi Yamaki

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

Electrochemical behavior and accompanying structural changes of Li2CuO2 and LiCuO2 were examined. Lithium cupric oxide Li2CuO2 was oxidized to LiCuO2 via two two-phase reactions. One-dimensional [CuO4] chains in Li2CuO2 were maintained during the lithium extraction and insertion processes. When the Li2-xCuO2 electrode was cycled at 0.5 mA cm-2, a rechargeable capacity of 130 mA h g-1 was obtained with an average voltage of 2.5 V. Lithium extraction from LiCuO2 lead to a production of CuO and oxygen. Lithium insertion into NaCuO2 resulted in a new phase formation of LiNaCuO2.

Original languageEnglish
Pages (from-to)45-53
Number of pages9
JournalSolid State Ionics
Volume106
Issue number1-2
Publication statusPublished - Feb 1 1998

Fingerprint

Lithium
lithium
insertion
lithium oxides
electrodes
electric potential
oxygen
Oxygen
Electrodes
Oxides
Electric potential

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Arai, H., Okada, S., Sakurai, Y., & Yamaki, J. I. (1998). Electrochemical and structural study of Li2CuO2, LiCuO2 and NaCuO2. Solid State Ionics, 106(1-2), 45-53.

Electrochemical and structural study of Li2CuO2, LiCuO2 and NaCuO2. / Arai, Hajime; Okada, Shigeto; Sakurai, Yoji; Yamaki, Jun Ichi.

In: Solid State Ionics, Vol. 106, No. 1-2, 01.02.1998, p. 45-53.

Research output: Contribution to journalArticle

Arai, H, Okada, S, Sakurai, Y & Yamaki, JI 1998, 'Electrochemical and structural study of Li2CuO2, LiCuO2 and NaCuO2', Solid State Ionics, vol. 106, no. 1-2, pp. 45-53.
Arai, Hajime ; Okada, Shigeto ; Sakurai, Yoji ; Yamaki, Jun Ichi. / Electrochemical and structural study of Li2CuO2, LiCuO2 and NaCuO2. In: Solid State Ionics. 1998 ; Vol. 106, No. 1-2. pp. 45-53.
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