Knowledge Management System Of Institute of process engineering,CAS
| Understanding crystal structure roles towards developing high-performance V-free BCC hydrogen storage alloys | |
| Hu, Huazhou1,2; Ma, Chuanming2; Zhou, Lu2; Xiao, Houqun1,2; Chen, Qingjun1,2,3 | |
| 2022-07-15 | |
| Source Publication | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
 |
| ISSN | 0360-3199 |
| Volume | 47Issue:60Pages:25335-25346 |
| Abstract | Current bottlenecks in the supply and high cost of V have negatively impacted their application. There is great interest in developing V-based hydrogen storage alloys that use less or free V. Here, we investigate the role of V in deliberately designed V-based alloys. Our results affirm that V plays an undeniable role in enhancing hydrogen storage properties. It is found that V maintains the stable single BCC structure but leads to more residual hydrogen (1.4 wt%) because of the high stability of the dihydride and smaller hydriding rate because of the small lattice parameter, which offers unexpected but encouraging perspectives towards reducing the need of V in such alloys. Mo substitution for V effectively alleviates the higher residual hydrogen to achieve a high dehydriding capacity of 2.5 wt%. Moreover, the suction-cast (Ti0.46Cr0.54)(97.5)Mo-2.5 alloy, which keeps BCC structure after suction-cast process and contains a low-Mo content, also exhibits dehydriding capacity of 2.3 wt%. The enthalpy change as well as dehydriding capacity of V-Free alloys obtained were similar to those reported V-based alloys. These findings are attractive for developing new V-free BCC hydrogen storage alloys and higher hydrogen capacity. (C) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved. |
| Keyword | Hydrogen storage alloys V-free Hydrogen storage mechanisms Microstructures Rapid cooling |
| DOI | 10.1016/j.ijhydene.2022.05.241 |
| Language | 英语 |
| WOS Keyword | MICROSTRUCTURE ; TRANSITION ; DIFFUSION ; CAPACITY |
| Funding Project | Innovation Academy for Green Manufacture, Chinese Academy of Sciences[IAGM2020DB08] ; National Key Projects for Fundamental of China[2021YFF0306103] ; Key Research Program of the Chinese Academy of Science[ZDRW-CN-2021-3] ; Self-deployed Projects of Ganjiang Innovation Academy, Chinese Academy of Sciences[E055B003] ; Self-deployed Projects of Ganjiang Innovation Academy, Chinese Academy of Sciences[E055ZA01] |
| WOS Research Area | Chemistry ; Electrochemistry ; Energy & Fuels |
| WOS Subject | Chemistry, Physical ; Electrochemistry ; Energy & Fuels |
| Funding Organization | Innovation Academy for Green Manufacture, Chinese Academy of Sciences ; National Key Projects for Fundamental of China ; Key Research Program of the Chinese Academy of Science ; Self-deployed Projects of Ganjiang Innovation Academy, Chinese Academy of Sciences |
| WOS ID | WOS:000863311200006 |
| Publisher | PERGAMON-ELSEVIER SCIENCE LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.ipe.ac.cn/handle/122111/54774 |
| Collection | 中国科学院过程工程研究所 |
| Corresponding Author | Chen, Qingjun |
| Affiliation | 1.Jiangxi Univ Sci & Technol, Fac Mat Met & Chem, Ganzhou 341000, Peoples R China 2.Chinese Acad Sci, Ganjiang Innovat Acad, Ganzhou 341000, Peoples R China 3.Chinese Acad Sci, Inst Proc Engn, Innovat Acad Green Manufacture, Beijing 100190, Peoples R China |
| Recommended Citation GB/T 7714 | Hu, Huazhou,Ma, Chuanming,Zhou, Lu,et al. Understanding crystal structure roles towards developing high-performance V-free BCC hydrogen storage alloys[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2022,47(60):25335-25346. |
| APA | Hu, Huazhou,Ma, Chuanming,Zhou, Lu,Xiao, Houqun,&Chen, Qingjun.(2022).Understanding crystal structure roles towards developing high-performance V-free BCC hydrogen storage alloys.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,47(60),25335-25346. |
| MLA | Hu, Huazhou,et al."Understanding crystal structure roles towards developing high-performance V-free BCC hydrogen storage alloys".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 47.60(2022):25335-25346. |
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