900℃下合成Ti-C-O固溶体的电化学行为研究  

Study on Electrochemical Behavior of Ti-C-O Solid Solution Prepared at 900 ℃

作　　者：王起[1] 王泽宇[1] 肖九三 焦树强[2] 朱鸿民[1] WANG Qi WANG Ze-yu XIAO Jiu-san JIAO Shu-qiang ZHU Hong-min(School of Metallurgical and Ecological Engineering State Key Lab of Advanced Metallurgy, University of Science and Technology Beiiing, Beijing 100083, China)

机构地区：[1]北京科技大学冶金与生态工程学院,北京100083 [2]北京科技大学钢铁冶金新技术国家重点实验室,北京100083

出　　处：《有色金属（冶炼部分）》2017年第7期19-22,共4页Nonferrous Metals（Extractive Metallurgy)

基　　金：国家高技术研究发展计划项目(2012AA062302);国家自然科学基金青年基金资助项目(51322402)

摘　　要：以TiC和TiO_2为原料在900℃烧结得到了与USTB钛电解工艺所用阳极原料类似的Ti-C-O固溶体,并对该固溶体在750℃NaCl-KCl熔盐体系中的电化学行为进行了研究。结果显示,该固溶体可以发生电化学溶解,钛元素以离子的形式进入熔盐中,碳元素和氧元素则以CO为主、CO_2为辅的气体形式析出。以该固溶体为阳极进行恒电流电解,最终在阴极得到了金属钛。Ti-C-O solid solution similar with anode material of USTB titanium electrolysis process was obtained by sintering of TiC and TiO2 at 900 ℃. Electrochemical behavior of Ti-C-O solid solution in NaC1-KC1 molten salt at 750℃ was investigated. The results show that electrochemical dissolution occurs, with element Ti dissolving into molten salt system as metal ion, while C and O evolving into CO and CO2 gases. Metal titanium is deposited in cathode upon electrolysis with Ti-C-O solid solution as anode.

关 键 词：Ti—C-O固溶体 电化学溶解 电解 钛 

分 类 号：TF823[冶金工程—有色金属冶金]