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郑雪萍,郭茂文.催化剂对NaBH4水解放氢的影响[J].稀有金属材料与工程(英文),2018,47(3):754~758.[Zheng Xueping and Guo Maowen.Effect of catalysts on hydrolysis hydrogen release of sodium borohydride[J].Rare Metal Materials and Engineering,2018,47(3):754~758.]
Effect of catalysts on hydrolysis hydrogen release of sodium borohydride
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Received:February 02, 2016  Revised:June 16, 2016
Key words: NaBH4  Mixed catalyst  Amount of hydrogen release  Rate of hydrogen release
Foundation item:国家自然科学基金项目(面上项目,重点项目,重大项目)
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Zheng Xueping and Guo Maowen  
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      The hydrolysis process of NaBH4 using mixed catalyst Co2B/Pr6O11 was studied by drainage method. The effects of the ratios of Co2B to Pr6O11 and amount of mixed catalyst Co2B/Pr6O11 on the amount of hydrogen release of NaBH4 are very obvious. When the doping amount is varied between 1-6%, the hydrogen desorption rate of doped samples increasesSfirstlySandSthenSdecreases with the doping amount increases. Comparatively, the effect rule of the amount and the ratio of mixed catalyst Co2B / Pr6O11 on the hydrogen desorption amount of NaBH4 is not obvious. However, after NaBH4 is being catalyzed by the mixed catalyst Co2B / Pr6O11, the hydrogen desorption amount of the sample is obviously changed and the hydrogen desorption amounts of most samples are between 410-525ml. In all samples, the sample doped with 4% 70%Co2B/30% Pr6O11 has the maximum hydrogen desorption rate for 540ml/min and the maximum hydrogen desorption amount for 540ml.