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Effect of F-1 on the Hydrogen Release Properties of NaAlH4 and LiAlH4
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Effect of F-1 on the Hydrogen Release Properties of NaAlH4 and LiAlH4
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National Natural Science Foundation Funded Projects (50806007)

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    摘要:

    使用PCT設(shè)備分析了NaF 和 LiF對NaAlH4 和 LiAlH4放氫性能的影響。結(jié)果顯示，除了摻雜0.5 mol%, 4 mol% NaF的試樣外，摻雜NaF明顯提高了NaAlH4的放氫量。此外，摻雜NaF還增加了NaAlH4第1階段的放氫速率。在所有的摻雜NaF的試樣中，摻雜1 mol% NaF的試樣的放氫量是最大的，并且放氫速率也是最快的。相比之下，摻雜LiF使得LiAlH4的放氫量明顯降低了

    Abstract:

    This study mainly analyzed the effect of NaF and LiF on the hydrogen release properties of NaAlH4 and LiAlH4 by PCT (pressure-composition-temperature) apparatus. The results show that doping with NaF causes an obvious increase of the hydrogen release amount of NaAlH4 except for the doping with 0.5 mol%, 4 mol% NaF. In addition, the doping with NaF induces an increase of the hydrogen release rate in the first stage. Among all the samples doped with NaF, the sample doped with 1mol% NaF presents the optimal hydrogen release properties with the largest hydrogen release amount and the fastest hydrogen release rate. Comparatively, the results from the study on the LiAlH4 doped with LiF show that doping with LiF decreases obviously the hydrogen release amount of LiAlH4

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劉勝林,馬秋花,呂 珩,鄭雪萍,馮 鑫,肖 果,鄭嬌嬌. Effect of F-1 on the Hydrogen Release Properties of NaAlH4 and LiAlH4[J].稀有金屬材料與工程,2014,43(1):61~63.[Liu Shenglin, Ma Qiuhua, Lü Heng, Zheng Xueping, Feng Xin, Xiao Guo, Zheng Jiaojiao. Effect of F-1 on the Hydrogen Release Properties of NaAlH4 and LiAlH4[J]. Rare Metal Materials and Engineering,2014,43(1):61~63.]
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  • 收稿日期:2013-01-27
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  • 在線發(fā)布日期: 2014-04-16
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