摘要
通过PCT(pressure-content-temperature)研究了催化剂对LiAlH_4放氢性能的影响规律。实验选用的催化剂为纳米Ni粉和纳米Co粉,研究结果显示,催化剂Ni和Co对LiAlH_4试样的放氢温度几乎没有改善,但是可以有效地改善LiAlH_4试样的放氢量与放氢速率。在所有的掺杂Ni粉的试样中,掺杂5%Ni粉的试样的放氢量最大,而掺杂12%Ni粉的LiAlH_4试样的放氢速率最快;在掺杂Co粉的试样中,掺杂12%Co粉的试样的放氢量、放氢速率最大。
The law of influences of catalysts on dehydrogenation properties of LiAlH4 was studied by PCT equipment.The catalysts nano-powder Ni and nano-powder Co was chosen.The results showed that doping Ni and Co had no improvement on the dehydrogenation temperature of LiAlH4,however,which could better efficiently the amount and the rate of hydrogen release of LiAlH4.Among all samples doped with Ni,the dehydrogenation amount of the sample doped with 5%Ni was largest.While,the dehydrogenation rate of the sample doped with 12%Ni was fast.Among the samples doped with Co,the dehydrogenation amount and rate of the samples doped with 12% Co is the largest and the fast.
出处
《金属功能材料》
CAS
2016年第5期7-10,共4页
Metallic Functional Materials
基金
国家自然科学基金项目资助(50806007)
陕西省自然基金项目资助(2014JM7262
310831163501)
