Ca3-xMg2+xNi13合金的储氢性能

被引：3

作者：

张庆安

赵刚

斯庭智

庞刚

机构：

[1] 安徽工业大学材料科学与工程学院

来源：

中国材料进展 | 2009年 / 28卷 / 05期

关键词：

金属间化合物; 晶体结构; 储氢;

D O I：

暂无

中图分类号：

TG139.7 [];

学科分类号：

080502 ;

摘要：

为了弄清Mg含量对Ca3Mg2Ni13型化合物结构参数和储氢性能的影响,利用X射线衍射研究了Ca3-xMg2+xNi13(x=0.5,1.0和1.5)合金的相结构,并采用Sieverts型设备测量了其P-C-T曲线。研究表明,Mg在Ca3Mg2Ni13型化合物中的最大固溶度接近于Ca1.5Mg3.5Ni13合金中的Mg含量。固溶的Mg含量增加导致化合物点阵常数减小,这可以有效地改善吸放氢热力学性能,其中Ca2Mg3Ni13吸、放氢的焓变分别为-28,30kJ/molH2。此外,Ca2Mg3Ni13在吸放氢循环过程中不发生氢致非晶化和氢致分解,因而具有良好的循环稳定性。

引用

页码：17 / 21

页数：5

共 12 条

[1]

Crystal structure and hydrogen absorption–desorption properties of Ca 3 Mg 2 Ni 13[J] . Q.A. Zhang,G. Pang,T.Z. Si,D.M. Liu.Acta Materialia . 2009 (6)

[2] Solid solubility of Mg in Ca2Ni7 and hydrogen storage properties of (Ca2-xMgx)Ni7 alloys [J].

Si, T. Z. ;

Pang, G. ;

Zhang, Q. A. ;

Liu, D. M. ;

Liu, N. .

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2009, 34 (11) :4833-4837

[3]

Relevance of hydrogen storage properties of ANi 3 intermetallics （A＜ce:hsp sp="0.25"/＞=＜ce:hsp sp="0.25"/＞La, Ce, Y） to the ANi 2 subunits in their crystal structures[J] . Jing Zhang,Guangyou Zhou,Guorong Chen,M. Latroche,A. Percheron-Guégan,Dalin Sun.Acta Materialia . 2008 (19)

[4]

Structural and hydriding properties of （Mg 1? x Ca x ）Ni 2 Laves phase alloys[J] . N. Terashita,K. Kobayashi,T. Sasai,E. Akiba.Journal of Alloys and Compounds . 2001 (1)

[5]

Phase relations and hydrogenation behavior of Sr 1? x Ca x Al 2 （0≤ x ≤1）[J] . Q.A Zhang,H Enoki,E Akiba.Journal of Alloys and Compounds . 2001 (1)

[6]

Hydrogen storage properties of new ternary system alloys: La 2 MgNi 9 , La 5 Mg 2 Ni 23 , La 3 MgNi 14[J] . T Kohno,H Yoshida,F Kawashima,T Inaba,I Sakai,M Yamamoto,M Kanda.Journal of Alloys and Compounds . 2000 (2)

[7]

Hydriding properties of LaNi 3 and CaNi 3 and their substitutes with PuNi 3 -type structure[J] . J Chen,H.T Takeshita,H Tanaka,N Kuriyama,T Sakai,I Uehara,M Haruta.Journal of Alloys and Compounds . 2000 (1)

[8]

Structural investigation and hydrogen storage capacity of LaMg 2 Ni 9 and （La 0.65 Ca 0.35 ）（Mg 1.32 Ca 0.68 ）Ni 9 of the AB 2 C 9 type structure[J] . K Kadir,T Sakai,I Uehara.Journal of Alloys and Compounds . 2000 (1)

[9]

A Rietveld-Analysis Programm RIETAN-98 and its Applications to Zeolites[J] . Izumi Fujio,Ikeda T..Materials Science Forum . 2000 (321)

[10]

Structural investigation and hydrogen capacity of YMg 2 Ni 9 and （Y 0.5 Ca 0.5 ）（MgCa）Ni 9 : new phases in the AB 2 C 9 system isostructural with LaMg 2 Ni 9[J] . K. Kadir,T. Sakai,I. Uehara.Journal of Alloys and Compounds . 1999 (1)

← 1 2 →