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Development of Nb35Mo5Ti30Ni30 alloy membrane for hydrogen separation applications
Liu, Dongmei1,2; Li, Xinzhong1; Geng, Huiyuan1; Chen, Ruirun1; Rettenmayr, Markus2; Su, Yanqing1; Li, Hui3; Guo, Jingjie1; Fu, Hengzhi1
KeywordHydrogen Separation Membrane Nb35mo5ti30ni30 Alloy
Source PublicationJOURNAL OF MEMBRANE SCIENCE
2018-05-01
ISSN0376-7388
DOI10.1016/j.memsci.2018.02.052
Volume553Pages:171-179
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
WOS SubjectEngineering, Chemical ; Polymer Science
WOS Research AreaEngineering ; Polymer Science
WOS KeywordV-15NI COMPOSITE MEMBRANE ; PERMEATION CHARACTERISTICS ; PALLADIUM MEMBRANE ; CARBON-MONOXIDE ; METAL-HYDRIDES ; THIN PD/AG ; PERMEABILITY ; TI ; DIFFUSION ; MICROSTRUCTURE
AbstractOur newly developed Nb35Mo5Ti30Ni30 alloy has been amended and evaluated for hydrogen separation applications in several critical aspects. Firstly, the hydrogen absorption and diffusion energetics in the Nb-Mo system are theoretically studied by density function theory. It is found that the addition of Mo in Nb can reduce the charge acquired by hydrogen and weaken the binding strength between the bcc-Nb lattice and hydrogen, thereby reducing hydrogen solubility. Additionally, optimized minimum energy paths for hydrogen diffusion are generated. These effects clarify the prominent role of Mo in the enhancement of both hydrogen permeability and embrittlement resistance. Secondly, as-cast Nb35Mo5Ti30Ni30 has been cold rolled to a thin membrane with a 0.12 mm thickness and then annealed. A hydrogen flux of similar to 0.21 mol H-2 m(-2) s(-1) is obtained for the rolledannealed membrane at a pure H2 pressure difference of 0.7 MPa at 400 degrees C. Thirdly, the membrane is used to separate hydrogen from gas mixtures of H-2/CO2 and H-2/(CO2+H2O). The hydrogen flux decreases mainly due to the decreasing H-2 partial pressure. The membrane does not suffer any physical damage during the test, and the hydrogen flux is fully recovered afterwards.
Language英语
WOS IDWOS:000428131700019
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/168947
Collection中国科学院大连化学物理研究所
Corresponding AuthorLi, Xinzhong; Chen, Ruirun; Li, Hui
Affiliation1.Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
2.Friedrich Schiller Univ, Otto Schott Inst Mat Res, D-07743 Jena, Germany
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Liu, Dongmei,Li, Xinzhong,Geng, Huiyuan,et al. Development of Nb35Mo5Ti30Ni30 alloy membrane for hydrogen separation applications[J]. JOURNAL OF MEMBRANE SCIENCE,2018,553:171-179.
APA Liu, Dongmei.,Li, Xinzhong.,Geng, Huiyuan.,Chen, Ruirun.,Rettenmayr, Markus.,...&Fu, Hengzhi.(2018).Development of Nb35Mo5Ti30Ni30 alloy membrane for hydrogen separation applications.JOURNAL OF MEMBRANE SCIENCE,553,171-179.
MLA Liu, Dongmei,et al."Development of Nb35Mo5Ti30Ni30 alloy membrane for hydrogen separation applications".JOURNAL OF MEMBRANE SCIENCE 553(2018):171-179.
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