To improve the storage stability of potassium borohydride(KBH_4),sodium borohydride(NaBH_4)and lithium aluminum hydride(LiAlH_4),KBH_4 and NaBH_4 were coated by paraffin via solvent-nonsolvent method and LiAlH_4 was coated by naphthalene via recrystallization.The surface coating stafas of the samples was studied by SEM,FTIR and XRD and the combustion properties of the propellants added into coated sample were tested by an Infrared Thermometer.Results show that KBH_4,NaBH_4 and LiAlH_4are completely coated a...
【基金】
Scientific Research Project of National Ministries,China(40406010201)
【更新日期】
2016-10-27
【分类号】
V512
【正文快照】
1 Introduction
The metal hydride was a fine hydrogen-storage material whose mass contents had reached 5%-15%and the volume hydrogen density was twice higher than that of the liquid hydrogen[1-4].Due to the low average molecular mass of burning gas,the me
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