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,2018,47(3):754~758.[Zheng Xueping,Guo Maowen.Effect of catalysts on hydrolysis hydrogen release of sodium borohydride[J].Rare Metal Materials and Engineering,2018,47(3):754~758.]
催化剂对NaBH4水解放氢的影响
投稿时间:2016-02-02  修订日期:2016-06-16
中文关键词:  NaBH4  混合催化剂  放氢量  放氢速率
基金项目:国家自然科学基金项目(面上项目,重点项目,重大项目)
中文摘要:
      这次工作通过排水法研究了采用混合催化剂Co2B/ Pr6O11的硼氢化钠的水解过程。Co2B与Pr6O11的比例和混合催化剂Co2B/ Pr6O11的加入量对硼氢化钠放氢量的影响非常明显。当掺杂量在1-6%之间变化时,试样的放氢速率随着掺杂量先增加后减少。相比之下,混合催化剂Co2B/ Pr6O11的加入量以及混合比例对NaBH4的放氢量的影响并不明显。然而,NaBH4被Co2B / Pr6O11催化后,硼氢化钠的放氢量明显被改变了,所有的掺杂试样的放氢量在410-525ml之间。在所有试样中,掺杂4% (70%Co2B /30%Pr6O11)的试样具有最大的放氢速率540ml/min和最大的放氢量540ml.
Effect of catalysts on hydrolysis hydrogen release of sodium borohydride
英文关键词:NaBH4  Mixed catalyst  Amount of hydrogen release  Rate of hydrogen release
英文摘要:
      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.
作者单位E-mail
郑雪萍 长安大学材料科学与工程学院 zxp2004b@aliyun.com 
郭茂文 长安大学  
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