本文系统地研究了Y元素对La1-xYxNi4.8Al0.2 (x=0.6,0.7,0.8)储氢合金的晶体结构、吸放氢热力学、动力学和抗粉化性能的影响.研究结果表明,合金为CaCu5型六方结构,随着Y含量的增加,晶格参数a和晶胞体积v减小,而c几乎不变,c/a线性增大.随着Y含量的增加,合金吸放氢平台压显著升高；吸氢量略有减少；吸放氢平台斜率变小；滞后系数先减小后略增大,并与XRD(111)峰的半高宽FWHM值的变化有着很好的对应关系；抗粉化性能略有提高.当Y含量x=0.7时,合金的吸放氢动力学综合性能最好.
参考文献
| [1] | The problem of solid state hydrogen storage[J].Energy,2009(12):2087. |
| [2] | 郑津洋,开方明,刘仲强,陈瑞,陈长聘.高压氢气储运设备及其风险评价[J].太阳能学报,2006(11):1168-1174. |
| [3] | Sandrock G et al.Gas-based hydride applications:recent progress and future needs[J].Journal of Alloys and Compounds,2004,356-357:794-799. |
| [4] | 郑津洋,刘贤信,徐平,刘鹏飞.高压储氢技术研究进展[C].中国动力工程学会工业气体专业委员会2009年技术论坛论文集,2010:43-50. |
| [5] | Jinsong Zhang;Timothy S. Fisher;P. Veeraraghavan Ramachandran;Jay P. Gore;Issam Mudawar .A Review of Heat Transfer Issues in Hydrogen Storage Technologies[J].Journal of heat transfer: Transactions of the ASME,2005(12):1391-1399. |
| [6] | 王新华,葛红卫,李寿权,陈长聘.金属氢化物氢泵作为燃料电池电动车加氢站核心设备[C].21世纪太阳能新技术（2003年中国太阳能学会学术年会：论文专辑）,2003:655-658. |
| [7] | 张琰,王新华,方国华,李寿权,陈立新,陈长聘.用于超高压化学热压缩的稀土储氢合金研究[J].材料科学与工程学报,2006(01):97-100. |
| [8] | Hui Li;Xinhua Wang;Zhaohui Dong;Lou Xu;Changpin Chen .A study on 70 MPa metal hydride hydrogen compressor[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2010(2):503-507. |
| [9] | Uchida H et al.The influence of cerium,praseodymium,neodymium and samarium on hydrogen absorption in LaNi5 alloys[J].Journal of the Less-Common Metals,1982,88(01):81-87. |
| [10] | S. N. KLYAMKIN;M. T. HAGSTROM;E. V. MESCHERYAKOVA .Hysteresis in Ce-based AB_(5)-type metal hydrides[J].Journal of Materials Science,2000(1):133-137. |
| [11] | 胡子龙.贮氢材料[M].北京:化学工业出版社,2002:102. |
| [12] | S. Mitrokhin;T. Zotov;E. Movlaev .Synthesis and properties of AB_5-type hydrides at elevated pressures[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2007(0):603-605. |
| [13] | Klyamkin S N et al.Interaction of intermetallic compounds with hydrogen at pressures up to 250 MPa:the LaCo5-xMnx-H2 and CeNi5-H2 systems[J].Journal of Alloys and Compounds,1993,194(01):41-45. |
| [14] | Rajesh Kumar Singh;M.V. Lototsky;O.N. Srivastava .Thermodynamical, structural, hydrogen storage properties and simulation studies of P-C isotherms of (La, Mm) Ni_(5-y)Fe_y[J].International journal of hydrogen energy,2007(14):2971-2976. |
| [15] | Daisuke Endo;Kouji Sakaki;Etsuo Akiba .Effect of rare earth on lattice size and equilibrium hydrogen pressure for AB_5-type MmNi_(3.55)Co_(0.75)Al_(0.30)Mn_(0.40)[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2008(1/2):215-219. |
| [16] | Gschneidner K A et al.Influence of electron concentration on the hydrogen absorption by RM5 Haucke compounds[J].Journal of Physics F-Metal Physics,1982,12(01):L1-L6. |
| [17] | X. Wang;C. Wang;C. Chen .Stability of AB_5-type hydrogen storage alloys[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2006(1/2):107-110. |
| [18] | Takeshita T et al.High pressure hydrogen absorption study on YNi5,LaPt5 and ThNi5[J].Journal of the Less-Common Metals,1981,78(02):43-47. |
| [19] | Yanhui Xu;Hua Ju .The structure, thermodynamic and electrochemical properties of hydrogen-storage alloys: An empirical methodology of average numbers of total electrons[J].International journal of hydrogen energy,2009(4):1880-1885. |
| [20] | Lundin C E et al.A correlation between the interstitial hole sizes in intermetallic compounds and the thermodynamic properties of the hydrides formed from those compounds[J].Journal of the Less-Common Metals,1977,56(01):19-37. |
| [21] | Lundin C E .Hydrogen storage properties and characteristics of rare earth compounds[J].J Phys Colloques,1979,40(C5):286-291. |
| [22] | Crivello J C et al.Relationship between compressibility and hydrogen absorption in some Haucke compounds[J].Journal of Alloys and Compounds,2004,404-406:565-569. |
| [23] | van Gogh ATM.;Kooij ES.;Koeman NJ.;Griessen R.;Nagengast DG. .Quenching of giant hysteresis effects in La1-zYzHx switchable mirrors[J].Physical review letters,2000(10):2156-2159. |
| [24] | Flanagan T B et al.Hysteresis in metal hydrides[J].Journal of the Less-Common Metals,1982,83(01):127-141. |
| [25] | Balasubramaniam R .Hysteresis in metal-hydrogen systems[J].Journal of Alloys and Compounds,1997,253-254:203-206. |
| [26] | 刘常升 等.机械合金化La-Ni-Al粉的相转变[J].中国有色金属学报,1998,8(z2):287-288. |
| [27] | 余学斌,陈金舟,吴铸,夏保佳.Cr含量对TiMn1.2-xCrxV0.25Fe0.05合金吸/放氢性能的影响[J].金属学报,2004(05):527-530. |
| [28] | Percheron-Guégan A et al.Correlations between the structural properties,the stability and the hydrogen content of substituted LaNi5 compounds[J].Journal of the Less-Common Metals,1985,109(02):287-309. |
| [29] | 钱存富,杜昊,王洪祥.Co,Mn元素在LaNi5储氢合金中的作用机理[J].稀有金属材料与工程,1999(06):368-370. |
| [30] | Guo J.;Wei WL.;Ma SY.;Gao YJ. .An investigation of correlation between electronic structure of LaNi4M (M=Ni, Cu, Mn, Al) and hydrogen absorption properties[J].Materials Science & Engineering, B. Solid-State Materials for Advanced Technology,2003(1):21-24. |
| [31] | Valoen L.O.;Zaluska A. .Structure and related properties of (La, Ce, Nd, Pr)Ni_5 alloys[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2000(1/2):235-244. |
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