用工业V_2O_5直接制备钒基固溶体贮氢合金  

Direct Synthesis of the Vanadium-based Solid Solution Hydrogen Storage Alloy from the Industrial V_2O_5

作　　者：刘守平[1] 徐安莲[1] 周上祺[1] 任勤[1] 田卫国[1] 

机构地区：[1]重庆大学材料科学与工程学院,重庆400044

出　　处：《材料导报》2006年第7期144-146,共3页Materials Reports

基　　金：重庆市自然科学基金资助项目(CSTC2004BB4169)

摘　　要：研究了五氧化二钒直接制备钒基固溶体贮氢合金的方法。分析测试了合金的化学成分、组织结构和贮氢性能。结果表明,用工业五氧化二钒可以合成钒基固溶体贮氢合金V3TiNi0.56Al0.2;PCT曲线表明该合金已具备平衡吸放氢的性能,吸放氢容量为1.8×10-4m3/g;合金中含有少量的氧化物夹杂,但通过真空感应精炼,可使夹杂含量降低。Direct synthesis of the vanadium-based solid solution hydrogen storage alloy with the industrial V2Os is investigated. The chemical compositions, microstructures and hydrogen storage properties of the alloy are determined. The experiment result indicates that V3 TiNi0. 56 Al0.2 can been produced taking V2O5, TiO2 as raw materials and Alas a reductive agent. PCT curve indicates that the alloy has hydrogen storage capability, and the capacity is 1.8×10^-4 m^3/g. Some oxide inclusions are also found in the alloy. After vacuum induction refining treatment, the amount of inclusions in the alloy decreases.

关 键 词：钒基合金 贮氢合金 制备 

分 类 号：TQ123.6[化学工程—无机化工] TG139.7[一般工业技术—材料科学与工程]