Hydrogen Transport through Palladium-Coated Niobium Membranes

被引：6
|
作者：
Petriev, I. S. [1 ]
Lutsenko, I. S. [1 ]
Pushankina, P. D. [1 ]
Frolov, V. Yu [1 ]
Glazkova, Yu S. [1 ]
Mal'kov, T., I [1 ]
Gladkikh, A. M. [1 ]
Otkidach, M. A. [1 ]
Sypalo, E. B. [1 ]
Baryshev, P. M. [1 ]
Shostak, N. A. [1 ]
Kopytov, G. F. [1 ]
机构：
[1] Kuban State Univ, Krasnodar, Russia
来源：
RUSSIAN PHYSICS JOURNAL | 2022年 / 65卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
hydrogen permeability; palladium-coated niobium membranes; Group V metals; surface modification; palladium nanocrystallites; high purity hydrogen; COMPOSITE MEMBRANE; PERMEATION;
D O I：
10.1007/s11182-022-02637-x
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The paper presents the synthesis of a nanocrystalline coating for modification of the Pd-Nb-Pd composite membrane surface. The nanostructured palladium coating is synthesized by electrochemical deposition. Within the excess pressure range and at 300 degrees C operating temperature, the hydrogen flux through the palladiumcoated niobium membrane is 0.024 mol/(s center dot m(2)). For membranes modified with the nanostructured palladium coating, this value is 1.6 times higher than for the uncoated membranes. It is shown that the membrane surface modified with the nanostructured palladium coating enhances the hydrogen transport through Pd-Nb-Pd composite membranes due to the acceleration of the surface dissociative-associative processes.
引用
收藏
页码：312 / 316
页数：5
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