Direct fabrication of thin-film LiNiO2 electrodes in LiOH solution by electrochemical-hydrothermal method

Masahiro Yoshimura, Kyoo Seung Han, Shunsuke Tsurimoto

研究成果: Article同行評審

45 引文 斯高帕斯(Scopus)


The formation of the ternary oxide thin films on nickel substrates in LiOH solution was studied under hydrothermal or electrochemical-hydrothermal conditions. While the purely hydrothermal treatment of nickel substrates at 150°C leads to the formation of Ni(OH)2 films, by the use of the electrochemical-hydrothermal approach under supplementary galvanostatic charge with the same hydrothermal conditions, LiNiO2 films are directly fabricated. The structural purity and chemical composition of the obtained films were confirmed by X-ray diffraction pattern analysis and X-ray photoelectron spectroscopy, respectively. The fabricated films show, according to X-ray diffraction, a good crystallinity without any post-synthesis annealing. In comparison with the fabrication of Ni(OH)2 films by the hydrothermal method, it has been found that the electrochemical anodic process is necessary to obtain the desired LiNiO2 films.

頁(從 - 到)39-44
期刊Solid State Ionics
出版狀態Published - 1998 二月 1

All Science Journal Classification (ASJC) codes

  • 化學 (全部)
  • 材料科學(全部)
  • 凝聚態物理學


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