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Study on the mechanism of conductivity of oxygen vacancy and cathode structure of FFC process
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Chongqing University

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TF111

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    Abstract:

    The FFC process is an important method to replace the traditional titanium preparation methods that high pollution and high energy consumption. However, low efficiency and long electrolysis time hinder the development of the FFC process. Therefore, in order to improve the deoxidation rate, the effect of cathode thickness on the deoxidation rate was studies. Meanwhile, the quantum mechanics method was used to study the conduction mechanism of TiO2. Based on the experimental and calculated results, a multi-layer cathode was proposed to improve the deoxidation rate. The titanium sponge with 3 500-4 000 ppm oxygen content was obtained after 6 h electrolysis. The electrolysis speed is effectively improved when compared to the tradional cathode. Another benefit of multi-layer cathode is to slove the problem of contradiction between deoxidation rate and production of FFC process.

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[Dan Linyang, Liu Nan, Li Zequan, Li Xuemin. Study on the mechanism of conductivity of oxygen vacancy and cathode structure of FFC process[J]. Rare Metal Materials and Engineering,2020,49(8):2773~2778.]
DOI:10.12442/j. issn.1002-185X.20190586

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History
  • Received:July 12,2019
  • Revised:September 17,2019
  • Adopted:October 11,2019
  • Online: September 27,2020
  • Published: