Pd8Y0.23Ru合金膜氢渗透率稳定性的研究

材料导报, 2013, 27(2): 96-99.

Pd8Y0.23Ru合金膜氢渗透率稳定性的研究

程亮 ^1, , 陆光达 ^2, , 张桂凯 ^3, , 王晓英 ^4,

1.中国工程物理研究院,绵阳621900

2.中国工程物理研究院,绵阳621900

3.中国工程物理研究院,绵阳621900

4.中国工程物理研究院,绵阳621900

基金项目: 中物院双百人才基金(双2010-4)资助课题

关键词：钯合金膜 , 氢 , 渗透率 , 稳定性

Study on the Stability of Hydrogen Permeability of Pd8Y0.23Ru Alloy Membrane

针对Pd8Y0.23Ru合金膜在透氢起始阶段氢渗透率不稳定的问题,分别采用XPS、SEM以及XRD对合金膜的表面成分、形貌以及相结构进行了研究.结果表明,氢渗透率升高是由两方面原因造成的:一是氢渗透过程中除去了占据合金膜表面活性解离位点的含C杂质,加快了氢气的解离,渗透控速过程逐渐转变为体扩散过程,使实验初期渗透率显著升高；二是氢渗透过程中,合金膜存在再结晶现象,导致晶粒细化,增加了晶界扩散占比,使氢原子体扩散系数变大.

参考文献

[1]	Atsushi Unemoto;Atsushi Kaimai;Kazuhisa Sato;Takanori Otake;Keiji Yashiro;Junichiro Mizusaki;Tatsuya Kawada;Tatsuya Tsuneki;Yoshinori Shirasaki;Isamu Yasuda .The effect of co-existing gases from the process of steam reforming reaction on hydrogen permeability of palladium alloy membrane at high temperatures[J].International journal of hydrogen energy,2007(14):2881-2887.
[2]	Glugla M;Antipenkov A;Beloglazov S et al.The ITER tritium systems[J].Fusion Engineering and Design,2007,82(5-14):472.
[3]	Glugla M;L(a)sser R;D(o)rr L et al.The inner deuterium/tritium fuel cycle of ITER[J].Fusion Engineering and Design,2003,69(1-4):39.
[4]	dittmeyer R;Hollein V;Daub K .Membrane reactors for hydrogenation and dehydrogenation processes based on supported palladium[J].Journal of Molecular Catalysis A:Chemical,2001,173(1-2):135.
[5]	Mardilovich I P;Engwall E;Ma Y H .Dependence of hydrogen flux on the pore size and plating surface topology of asymmetric Pd-porous stainless steel membrane[J].Desalination,2002,144(1-3):85.
[6]	Kajiwara M;Uemiya S;Kojima T .Stability and hydrogen permeation behavior of supported platinum membranes in the presence of hydrogen sulfide[J].International Journal of Hydrogen Energy,1999,24(09):839.
[7]	F. Gallucci;F. Chiaravalloti;S. Tosti;E. Drioli;A. Basile .The effect of mixture gas on hydrogen permeation through a palladium membrane: Experimental study and theoretical approach[J].International journal of hydrogen energy,2007(12):1837-1845.
[8]	Lessing PA.;Wood HC.;Zuck LD. .Low temperature hydrogen transport using a palladium/copper membrane[J].Journal of Materials Science,2003(11):2401-2408.
[9]	Keuler J N;Lorenzen L .The dehydrogenation of 2-butanol in a Pd-Ag membrane reactors[J].Journal of Membrane Science,2002,202(1-2):17.
[10]	Tetsuya Ozaki;Yi Zhang;Masao Komaki;Chikashi Nishimura .Hydrogen permeation characteristics of V-Ni-Al alloys[J].International journal of hydrogen energy,2003(11):1229-1235.

上一张下一张

计量

下载量()
访问量()

作者相关

文章评分

您的评分：
1

0%
2

0%
3

0%
4

0%
5

0%

材料期刊网

Pd8Y0.23Ru合金膜氢渗透率稳定性的研究

Study on the Stability of Hydrogen Permeability of Pd8Y0.23Ru Alloy Membrane

参考文献