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Al添加對(duì)LiBH4可逆吸放氫性能影響的研究
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上海市重點(diǎn)學(xué)科建設(shè)項(xiàng)目 (B113); 國(guó)家“863”項(xiàng)目(2007AA05Z107); 上海市啟明星項(xiàng)目(05QMX1463)資助


Effects of Al Adding on the Reversible Hydrogen Properties in LiBH4/Al System
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    研究了Al對(duì)LiBH4吸放氫性能的影響。結(jié)果表明，Al的添加可使LiBH4起始放氫溫度降低至300 ℃左右，且主要放氫過(guò)程的溫度范圍隨著Al含量的增加而逐漸降低；可逆性研究表明，放氫后的LiBH4/Al混合體系在600 ℃、10 MPa條件下實(shí)現(xiàn)可逆吸氫，這明顯低于單一LiBH4的可逆吸氫條件。LiBH4/Al吸放氫性能改善的原因是由于化合物L(fēng)iAl和AlB2的生成

    Abstract:

    The effect of Al addition on the hydrogen storage performance of LiBH4 was investigated. It is indicated that the onset dehydrogenation temperature of LiBH4/Al mixture is decreased to about 300 ℃. The main hydrogen release shifts to low temperature with the increase of Al content. Furthermore, the dehydrogenated LiBH4/Al sample can be rehydrogenated at 600 ℃ and 10 MPa, significantly lower than that of the plan LiBH4. The improvement of hydrogen storage properties in LiBH4/Al system is due to the formation of LiAl and AlB2 compounds during the dehydrogenation

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夏廣林,余學(xué)斌,吳 鑄. Al添加對(duì)LiBH4可逆吸放氫性能影響的研究[J].稀有金屬材料與工程,2009,38(9):1618~1621.[Xia Guanglin, Yu Xuebin, Wu Zhu. Effects of Al Adding on the Reversible Hydrogen Properties in LiBH4/Al System[J]. Rare Metal Materials and Engineering,2009,38(9):1618~1621.]
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  • 收稿日期:2008-09-28
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