Citation: Jian Hua LIN, Kai LI, Shen Kang RUAN, Miau Zeng SU, Eberhard SCHWEDA. THERMOSTABILITY OF LiCu₂O₂ AND LiCu₃O₃[J]. Chinese Chemical Letters, ;1996, 7(2): 195-198. shu

THERMOSTABILITY OF LiCu₂O₂ AND LiCu₃O₃

a Department of Materials Chemistry, Peking University, Beijing, 100871;
b Institut für Anorganische Chemie, Tübingen Universität, Auf der Morgenstelle 18, 72076 Tübingen, Germany

Received Date: 9 May 1995

Fund Project: We thank the National Natural Science Foundation of China (CNSF) and the Fund for Excellent Young University Teachers (FEYUT) of the State Education Commission of China for the financial support of this research. E. S. is grateful to DAAD, Germany, for supporting his visit to Peking University.

Thermostability and phase transformation of LiCu₂O₂,LiCu₃O₃ and other related copper oxides have been studied by x-ray powder diffraction technique at high temperature in air.Both LiCu₂O₂ and LiCu₃O₃ are metastable at room temperature.LiCu₂O₂ decomposes to Li₂CuO₂ and a monoclinic phase with CuO structure,while LiCu₃O₃ transforms to the monoclinic phase at lower temperature.Moreover,evidence for a possible intermediate phase between LiCu₃O₃ and Li_0.25Cu_0.75O_0.85 has also been presented.
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