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Improved dehydrogenation/rehydrogenation performance of LiBH4 by doping mesoporous Fe2O3 or/and TiF3 |
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| Authors: | Hui Zhang Zhong Cao Li-Xian Sun Yu-Jia Sun Fen Xu Hui Liu Jian Zhang Zi-Qiang Huang Xia Jiang Zhi-Bao Li Shuang Liu Shuang Wang Cheng-Li Jiao Huai-Ying Zhou Yutaka Sawada |
| Affiliation: | 1. Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, School of Chemistry and Biological Engineering, Changsha University of Science and Technology, Changsha, 410004, People’s Republic of China 2. Materials and Thermochemistry Laboratory, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, People’s Republic of China 3. Faculty of Material Science & Engineering, Guilin University of Electrical Technology, Guilin, 541004, China 4. College of Chemistry & Molecular Science, Wuhan University, Wuhan, 430072, People’s Republic of China 5. Department of Material Science & Engineering, Guilin University of Electrical Technology, Guilin, 541004, People’s Republic of China 6. Center for Hyper Media Research, Graduate School of Engineering, Tokyo Polytechnic University, 1583 Iiyama, Atsugi, Kanagawa, 243-0297, Japan |
| Abstract: | The LiBH4 + mesoporous Fe2O3 (defined as M-Fe2O3) mono-doped and LiBH4 + M-Fe2O3 + TiF3 co-doped hybrid materials were prepared by ball milling process. A variety of characterization methods, such as thermogravimetric, differential scanning calorimetry, X-ray diffraction, and pressure–composition–temperature instrument, were used for examinations of the two materials’ performances of storage/release of hydrogen, catalytic activity, kinetics, and thermodynamics. All the results showed that the M-Fe2O3 prepared in laboratory exhibited a good catalytic effect. Compared with the performance of M-Fe2O3 mono-doped system, M-Fe2O3 and TiF3 co-doped mode exhibits a better performance using the same additive content. Thus, the M-Fe2O3 and TiF3 co-doped mode possesses a collaborative catalytic utility with the LiBH4 hydrogen performance improved, showing a promising application. |
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