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.
机构:
Virginia Polytech Inst & State Univ, Dept Chem Engn, Environm Catalysis & Nanomat Lab, Blacksburg, VA 24061 USAVirginia Polytech Inst & State Univ, Dept Chem Engn, Environm Catalysis & Nanomat Lab, Blacksburg, VA 24061 USA
Lim, Hankwon
Oyama, S. Ted
论文数: 0引用数: 0
h-index: 0
机构:
Virginia Polytech Inst & State Univ, Dept Chem Engn, Environm Catalysis & Nanomat Lab, Blacksburg, VA 24061 USA
Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, JapanVirginia Polytech Inst & State Univ, Dept Chem Engn, Environm Catalysis & Nanomat Lab, Blacksburg, VA 24061 USA
机构:
East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
East China Univ Sci & Technol, Sch Chem Engn, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
Tao, Jiabo
Song, Xianyu
论文数: 0引用数: 0
h-index: 0
机构:
East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
East China Univ Sci & Technol, Sch Chem Engn, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
Song, Xianyu
Bao, Bo
论文数: 0引用数: 0
h-index: 0
机构:
East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
East China Univ Sci & Technol, Sch Chem Engn, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
Bao, Bo
Zhao, Shuangliang
论文数: 0引用数: 0
h-index: 0
机构:
East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
East China Univ Sci & Technol, Sch Chem Engn, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
Zhao, Shuangliang
Liu, Honglai
论文数: 0引用数: 0
h-index: 0
机构:
East China Univ Sci & Technol, Sch Chem & Mol Engn, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
机构:
Virginia Polytech Inst & State Univ, Dept Chem Engn, Environm Catalysis & Nanomat Lab, Blacksburg, VA 24061 USAVirginia Polytech Inst & State Univ, Dept Chem Engn, Environm Catalysis & Nanomat Lab, Blacksburg, VA 24061 USA
Lim, Hankwon
Oyama, S. Ted
论文数: 0引用数: 0
h-index: 0
机构:
Virginia Polytech Inst & State Univ, Dept Chem Engn, Environm Catalysis & Nanomat Lab, Blacksburg, VA 24061 USA
Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, JapanVirginia Polytech Inst & State Univ, Dept Chem Engn, Environm Catalysis & Nanomat Lab, Blacksburg, VA 24061 USA
机构:
East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
East China Univ Sci & Technol, Sch Chem Engn, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
Tao, Jiabo
Song, Xianyu
论文数: 0引用数: 0
h-index: 0
机构:
East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
East China Univ Sci & Technol, Sch Chem Engn, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
Song, Xianyu
Bao, Bo
论文数: 0引用数: 0
h-index: 0
机构:
East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
East China Univ Sci & Technol, Sch Chem Engn, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
Bao, Bo
Zhao, Shuangliang
论文数: 0引用数: 0
h-index: 0
机构:
East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
East China Univ Sci & Technol, Sch Chem Engn, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
Zhao, Shuangliang
Liu, Honglai
论文数: 0引用数: 0
h-index: 0
机构:
East China Univ Sci & Technol, Sch Chem & Mol Engn, Shanghai 200237, Peoples R ChinaEast China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China