JP2011219841A - 水素吸蔵合金及びこれを用いた水素センサ - Google Patents
水素吸蔵合金及びこれを用いた水素センサ Download PDFInfo
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- JP2011219841A JP2011219841A JP2010093135A JP2010093135A JP2011219841A JP 2011219841 A JP2011219841 A JP 2011219841A JP 2010093135 A JP2010093135 A JP 2010093135A JP 2010093135 A JP2010093135 A JP 2010093135A JP 2011219841 A JP2011219841 A JP 2011219841A
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 115
- 239000001257 hydrogen Substances 0.000 title claims abstract description 115
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 77
- 239000000956 alloy Substances 0.000 title claims abstract description 77
- 125000004435 hydrogen atom Chemical class [H]* 0.000 title 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 239000003054 catalyst Substances 0.000 claims abstract description 54
- 229910019083 Mg-Ni Inorganic materials 0.000 claims abstract description 47
- 229910019403 Mg—Ni Inorganic materials 0.000 claims abstract description 47
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 35
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 238000005984 hydrogenation reaction Methods 0.000 claims abstract description 8
- 230000001737 promoting effect Effects 0.000 claims abstract description 4
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 34
- 229910000914 Mn alloy Inorganic materials 0.000 claims description 14
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 8
- 238000002474 experimental method Methods 0.000 description 10
- 239000010409 thin film Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- 238000002834 transmittance Methods 0.000 description 8
- 239000011777 magnesium Substances 0.000 description 7
- 238000004544 sputter deposition Methods 0.000 description 6
- 238000007740 vapor deposition Methods 0.000 description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- -1 magnesium transition metal Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003217 poly(methylsilsesquioxane) Polymers 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
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- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
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- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/0005—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes
- C01B3/001—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof
- C01B3/0031—Intermetallic compounds; Metal alloys; Treatment thereof
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/0005—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes
- C01B3/001—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof
- C01B3/0031—Intermetallic compounds; Metal alloys; Treatment thereof
- C01B3/0042—Intermetallic compounds; Metal alloys; Treatment thereof only containing magnesium and nickel; Treatment thereof
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- C01B3/0078—Composite solid storage mediums, i.e. coherent or loose mixtures of different solid constituents, chemically or structurally heterogeneous solid masses, coated solids or solids having a chemically modified surface region
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Abstract
【解決手段】Mg−Ni系合金とZr−Ti系合金とを含む水素吸蔵合金を用い、基板2と、該基板2上に設けられ、前記Mg−Ni系合金と前記Zr−Ti系合金とを含む水素反応層3と、該水素反応層3上に設けられ、前記Mg−Ni系合金の水素化を促進するための第1の触媒層4とを備えた。
【選択図】図1
Description
請求項2の発明では、請求項1の発明において、Mg−Ni合金とZr−Ti−Mn合金のみからなることを特徴としている。
請求項5の発明では、請求項3の発明において、前記水素反応層は、前記Mg−Ni系合金で形成された調光層と、前記Zr−Ti系合金で形成され、前記Mg−Ni系合金の脱水素化を促進するための第2の触媒層とを有することを特徴としている。
請求項7の発明では、請求項5の発明において、前記第2の触媒層は、前記調光層と前記第1の触媒層との間に配置されていることを特徴としている。
請求項8の発明では、請求項5の発明において、前記第2の触媒層は、前記調光層と前記第1の触媒層との間及び前記調光層と前記基板との間に配置されていることを特徴としている。
請求項2の発明によれば、Mg−Ni合金とZr−Ti−Mn合金を組み合わせたものが、脱水素化を迅速に行えることが実験により確認されている。
請求項7の発明によれば、第2の触媒層が調光層と第1の触媒層との間に配置されている場合に、脱水素化が迅速に行えることが実験により確認されている。また、調光層が水素化及び脱水素化により膨脹及び収縮を繰り返して表面に析出することを防止するバッファ層とすることもできる。特に、Mgはすぐに酸化されるため、この酸化防止の観点からも好適である。
基板2は、透明の板材からなる。例えば、アクリル、プラスチック、透明シート、ガラス等である。
以上の構成で、水素を測定することができる。すなわち、水素を含んだ雰囲気にさらすことで水素反応層3の水素化(水素吸蔵)が起こり、金属状態から透明状態に変化する。一方で、水素を含まず酸素を含んだ雰囲気にさらすことで脱水素化(水素放出)が起こり、透明状態から金属状態に変化する。
以上の実験結果より、Zr−Ti−Mn合金を含めたほうが、脱水素化を速めることが明らかになったが、特に実施例1が脱水素化の観点から最も優れている。
2 基板
3 水素反応層
4 第1の触媒層
5 調光層
6 第2の触媒層
Claims (8)
- Mg−Ni系合金とZr−Ti系合金とを含むことを特徴とする水素吸蔵合金。
- Mg−Ni合金とZr−Ti−Mn合金のみからなることを特徴とする請求項1に記載の水素吸蔵合金。
- 基板と、
該基板上に設けられ、前記Mg−Ni系合金と前記Zr−Ti系合金とを含む水素反応層と、
該水素反応層上に設けられ、前記Mg−Ni系合金の水素化を促進するための第1の触媒層とを備えたことを特徴とする請求項1に記載の水素吸蔵合金を用いた水素センサ。 - 前記水素反応層は、前記Mg−Ni系合金と前記Zr−Ti系合金とが分散混合されていることを特徴とする請求項3に記載の水素センサ。
- 前記水素反応層は、前記Mg−Ni系合金で形成された調光層と、前記Zr−Ti系合金で形成され、前記Mg−Ni系合金の脱水素化を促進するための第2の触媒層とを有することを特徴とする請求項3に記載の水素センサ。
- 前記第2の触媒層は、前記調光層と前記基板との間に配置されていることを特徴とする請求項5に記載の水素センサ。
- 前記第2の触媒層は、前記調光層と前記第1の触媒層との間に配置されていることを特徴とする請求項5に記載の水素センサ。
- 前記第2の触媒層は、前記調光層と前記第1の触媒層との間及び前記調光層と前記基板との間に配置されていることを特徴とする請求項5に記載の水素センサ。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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JP2010093135A JP5789357B2 (ja) | 2010-04-14 | 2010-04-14 | 水素センサ |
KR1020127026566A KR101724782B1 (ko) | 2010-04-14 | 2011-02-21 | 수소흡장 합금 및 이것을 사용한 수소센서 |
US13/641,373 US8758691B2 (en) | 2010-04-14 | 2011-02-21 | Hydrogen-absorbing alloy and hydrogen sensor using the alloy |
PCT/JP2011/053677 WO2011129148A1 (ja) | 2010-04-14 | 2011-02-21 | 水素吸蔵合金及びこれを用いた水素センサ |
CA2795051A CA2795051C (en) | 2010-04-14 | 2011-02-21 | Hydrogen-absorbing alloy and hydrogen sensor using the alloy |
EP11768669.1A EP2559778B1 (en) | 2010-04-14 | 2011-02-21 | Hydrogen sensor using hydrogen-absorbing alloy |
CN2011800280789A CN102933729A (zh) | 2010-04-14 | 2011-02-21 | 储氢合金及使用该储氢合金的氢传感器 |
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JP2010093135A JP5789357B2 (ja) | 2010-04-14 | 2010-04-14 | 水素センサ |
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JP5789357B2 JP5789357B2 (ja) | 2015-10-07 |
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EP (1) | EP2559778B1 (ja) |
JP (1) | JP5789357B2 (ja) |
KR (1) | KR101724782B1 (ja) |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013245370A (ja) * | 2012-05-24 | 2013-12-09 | National Institute Of Advanced Industrial Science & Technology | 水素吸放出合金、水素吸放出体、及び水素センサー。 |
WO2014156567A1 (ja) | 2013-03-28 | 2014-10-02 | 株式会社アツミテック | スパッタリング装置 |
WO2018055925A1 (ja) * | 2016-09-23 | 2018-03-29 | 国立研究開発法人産業技術総合研究所 | 水素感知素子及び水素センサー |
WO2018230447A1 (ja) * | 2017-06-15 | 2018-12-20 | 株式会社クリーンプラネット | 発熱装置および発熱方法 |
KR20190040986A (ko) | 2016-09-23 | 2019-04-19 | 고쿠리츠켄큐카이하츠호진 상교기쥬츠 소고켄큐쇼 | 수소 흡장체, 가스크로믹형 조광 소자, 수소 감지 소자 및 수소 센서 |
JP2020134342A (ja) * | 2019-02-20 | 2020-08-31 | 国立大学法人横浜国立大学 | ナノ構造体アレイ、水素検出用素子及び水素検出装置 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US9045335B2 (en) * | 2010-08-18 | 2015-06-02 | The Governors Of The University Of Alberta | Kinetic stabilization of magnesium hydride |
JP2013096528A (ja) * | 2011-11-02 | 2013-05-20 | Denso Corp | 通信装置 |
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EP2559778A4 (en) | 2013-12-18 |
US20130028791A1 (en) | 2013-01-31 |
WO2011129148A1 (ja) | 2011-10-20 |
EP2559778A1 (en) | 2013-02-20 |
US8758691B2 (en) | 2014-06-24 |
KR101724782B1 (ko) | 2017-04-18 |
CA2795051C (en) | 2019-01-08 |
CA2795051A1 (en) | 2011-10-20 |
JP5789357B2 (ja) | 2015-10-07 |
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KR20130032868A (ko) | 2013-04-02 |
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