JP6821161B2 - 水素吸蔵合金の製造方法 - Google Patents
水素吸蔵合金の製造方法 Download PDFInfo
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- JP6821161B2 JP6821161B2 JP2018239336A JP2018239336A JP6821161B2 JP 6821161 B2 JP6821161 B2 JP 6821161B2 JP 2018239336 A JP2018239336 A JP 2018239336A JP 2018239336 A JP2018239336 A JP 2018239336A JP 6821161 B2 JP6821161 B2 JP 6821161B2
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- hydrogen
- hydrogen storage
- storage alloy
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- alloy
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- 229910052739 hydrogen Inorganic materials 0.000 title claims description 213
- 239000001257 hydrogen Substances 0.000 title claims description 213
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims description 208
- 238000003860 storage Methods 0.000 title claims description 131
- 239000000956 alloy Substances 0.000 title claims description 110
- 229910045601 alloy Inorganic materials 0.000 title claims description 110
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000000203 mixture Substances 0.000 claims description 37
- 238000002844 melting Methods 0.000 claims description 19
- 230000008018 melting Effects 0.000 claims description 19
- 229910052719 titanium Inorganic materials 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 229910005438 FeTi Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 3
- 239000010936 titanium Substances 0.000 description 84
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 61
- 230000004913 activation Effects 0.000 description 22
- 239000010410 layer Substances 0.000 description 19
- 229910010340 TiFe Inorganic materials 0.000 description 16
- 229910052760 oxygen Inorganic materials 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 238000002441 X-ray diffraction Methods 0.000 description 5
- 150000002431 hydrogen Chemical class 0.000 description 5
- 238000005984 hydrogenation reaction Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000010891 electric arc Methods 0.000 description 4
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 150000004678 hydrides Chemical class 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- -1 that is Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000012856 weighed raw material Substances 0.000 description 1
Landscapes
- Hydrogen, Water And Hydrids (AREA)
Description
Claims (4)
- 水素吸蔵合金の製造方法であって、
Tiと、Feと、Ti酸化物およびFe酸化物の少なくともいずれか一つとを準備する工程と、
得られた前記水素吸蔵合金をFeTixOyと表した場合に、1.0<x<1.5かつ0.004<y<0.09の関係を有するよう、前記Tiと、前記Feと、前記Ti酸化物および前記Fe酸化物の少なくともいずれか一つとを秤量し、秤量した前記Tiと、秤量した前記Feと、秤量した前記Ti酸化物および前記Fe酸化物の少なくともいずれか一つとを混合して混合物を得る工程と、
前記混合物に対して加熱および冷却を交互に繰り返しながら合金を製造する工程と、
得られた前記合金について室温で真空状態とすることにより活性化処理を行う工程と、を含む、水素吸蔵合金の製造方法。 - 前記Fe酸化物は、Fe2O3を含む、請求項1に記載の水素吸蔵合金の製造方法。
- 前記合金を製造する工程は、アーク溶解による加熱を含む、請求項1または請求項2に記載の水素吸蔵合金の製造方法。
- 前記合金を製造する工程は、高周波誘導加熱を含む、請求項1または請求項2に記載の水素吸蔵合金の製造方法。
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JP2018239336A JP6821161B2 (ja) | 2018-12-21 | 2018-12-21 | 水素吸蔵合金の製造方法 |
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JP2020186681A Division JP2021021147A (ja) | 2020-11-09 | 2020-11-09 | 水素吸蔵合金 |
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JP2020100868A JP2020100868A (ja) | 2020-07-02 |
JP6821161B2 true JP6821161B2 (ja) | 2021-01-27 |
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