研究了Al对LiBH4吸放氢性能的影响.结果表明,Al的添加可使LiBH4起始放氢温度降低至300 ℃左右,且主要放氢过程的温度范围随着Al含量的增加而逐渐降低;可逆性研究表明,放氢后的LiBH4/Al混合体系在600 ℃、10 MPa条件下实现可逆吸氢,这明显低于单一LiBH4的可逆吸氢条件.LiBH4/Al吸放氢性能改善的原因是由于化合物LiAl和AlB2的生成.
参考文献
| [1] | Rentsch S;Wenger P;Sudan P.[J].Journal of Alloys and Compounds,2003(356-357):515. |
| [2] | Au M;Jurgensen A .[J].Journal of Physical Chemistry B,2006,110:7062. |
| [3] | Yu X B;Wu Z;Chen Q R et al.[J].Applied Physics Letters,2007,90:034106. |
| [4] | Vajo J;Sky Skeith L .[J].Journal of Physical Chemistry B,2005,109:3719. |
| [5] | Yu XB;Grant DM;Walker GS .A new dehydrogenation mechanism for reversible multicomponent borohydride systems - The role of Li-Mg alloys[J].Chemical communications,2006(37):3906-3908. |
| [6] | Fan M Q;Sun L X;Zhang Y et al.[J].International Journal of Hydrogen Energy,2008,33:74. |
| [7] | Zuttel A;Wenger P;Rentsch S et al.[J].Journal of Power Sources,2003,11:1. |
| [8] | Orimo S;Nakamori Y;Kitahara G.[J].Journal of Alloys and Compounds,2005(404-406):427. |
| [9] | Pinkerton F E;Meisner G P;Meyer M S et al.[J].Journal of Physical Chemistry B,2005,109:2719. |
| [10] | Vajo J J;Skeith S L;Mertens F .[J].Journal of Physical Chemistry B,2005,109:3719. |
| [11] | Jin Seon-Ah;Shim Jae-Hyeok .[J].Scripta Materialia,2008,58:963. |
| [12] | Cho Young Whan;Shim Jae-Hyeok .[J].CALPHAD-Computer Coupling of Phase Diagrams and Thermochemistry,2006,30:65. |
| [13] | Zuttel A;Rentsch S;Fischer P.[J].Journal of Alloys and Compounds,2003(356-357):515. |
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