A new consumable anode material of titanium oxycarbonitride for the USTB titanium process

Qiuyu Wang, Jianxun Song, Jinyu Wu, Shuqiang Jiao, Jungang Hou, Hongmin Zhu

研究成果: Article査読

33 被引用数 (Scopus)

抄録

A single phase titanium oxycarbonitride TiC0.25O 0.25N0.5 was prepared by sintering a homogenous mixture of TiO, TiC and TiN with a molar ratio of 1:1:2 by spark plasma sintering (SPS) at 1873 K. TiO0.25C0.25N0.5 was then used as the consumable anode for the USTB titanium process and the anode dissolution process was investigated by electrochemical methods. The results showed that TiO 0.25C0.25N0.5 was electrochemically dissolved into Ti2+ in the NaCl-KCl melts as determined by square-wave voltammetry analysis and simultaneously CO as well as N2 evolved in the anode as detected by mass spectroscopy. And TiO0.25C 0.25N0.5 has exhibited a similar electron transfer resistance as TiC0.5O0.5 and TiN as measured by electrochemical impedance spectroscopy (EIS) analysis. By galvanostatic electrolysis, the cathode products were proved to be pure titanium powders. The results indicated that TiO0.25C0.25N0.5 is a suitable consumable anode for the USTB titanium process.

本文言語English
ページ(範囲)8086-8091
ページ数6
ジャーナルPhysical Chemistry Chemical Physics
16
17
DOI
出版ステータスPublished - 2014 5月 7
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)
  • 物理化学および理論化学

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