| SUN Yuan-ming,ZHOU Yuan-yuan,CUI Yong-wu,GU Jun.Surface Modification Treatment Technique for Hydrogen Generation Catalysts of Boron Sodium Hydride[J],39(4):36-38,68 |
| Surface Modification Treatment Technique for Hydrogen Generation Catalysts of Boron Sodium Hydride |
| Received:March 15, 2010 Revised:August 10, 2010 |
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| DOI： |
| KeyWord:fluoridation Ni reduction hydrogen generation catalysts surface modification |
| Author | Institution |
| SUN Yuan-ming |
High-Tech Research Institute of Nanjing University, Changzhou , China |
| ZHOU Yuan-yuan |
Changzhou University, Changzhou , China |
| CUI Yong-wu |
Changzhou University, Changzhou , China |
| GU Jun |
Nanjing University, Nanjing , China |
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| Abstract: |
| In the process of hydrogen generation by catalytic hydrolysis of sodium borohydride, the surface activity and the specific surface area of the catalysts directly effect on the reaction rate. With a chemical method——— fluoride treatment, the alloy particle of catalysts Mg2Ni was surface modified by fluridation and the catalysts treated by fluoridation was treated by Ni reduction. The structure,morphology,elemental distribution of the alloy surface before and after modification were studied. The result shows that the surface structure is significantly improved and the specific surface area isincreased by fluoride treatment. The catalytic activity of the sample with fluoride treatmentisincreased by 4 times compared with the untreated catalyst.Further studies show that reduction of Ni also affects the activity which is proportional to the amount of Ni reduction. |
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