JP2005256028A - Mg系非晶質水素吸蔵合金、水素感応体、及びそれを利用した水素センサ - Google Patents
Mg系非晶質水素吸蔵合金、水素感応体、及びそれを利用した水素センサ Download PDFInfo
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- JP2005256028A JP2005256028A JP2004066089A JP2004066089A JP2005256028A JP 2005256028 A JP2005256028 A JP 2005256028A JP 2004066089 A JP2004066089 A JP 2004066089A JP 2004066089 A JP2004066089 A JP 2004066089A JP 2005256028 A JP2005256028 A JP 2005256028A
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 239
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 239
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 131
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 62
- 239000000956 alloy Substances 0.000 title claims abstract description 62
- 150000002431 hydrogen Chemical class 0.000 title claims description 118
- 238000003860 storage Methods 0.000 claims abstract description 58
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 10
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 229910052763 palladium Inorganic materials 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 239000007791 liquid phase Substances 0.000 abstract description 15
- 238000005259 measurement Methods 0.000 abstract description 14
- 239000003792 electrolyte Substances 0.000 abstract description 4
- 230000006866 deterioration Effects 0.000 abstract description 3
- 239000007792 gaseous phase Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000013585 weight reducing agent Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 15
- 239000012071 phase Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
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- 125000004429 atom Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000012085 test solution Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
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- 229910052732 germanium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
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- 229910052700 potassium Inorganic materials 0.000 description 1
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- 229910052723 transition metal Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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Abstract
【解決手段】本発明に係るMg系非晶質水素吸蔵合金は、MgxPd100-x(70≦x≦91、好ましくは88≦x≦91)の組成式で表される。このMg系非晶質水素吸蔵合金は、水素吸蔵性能を有しているのみならず、水素を吸蔵することで電気抵抗値が変化するという特性を備えるものであり、水素の貯蔵用途に用いることができるほか、水素と接触した際の電気抵抗値の変化を検出することで、水素の測定に用いることができる。
【選択図】図1
Description
(70≦x≦91)
このMg系非晶質水素吸蔵合金は、特に下記の組成式で表されるものであることが好ましい。
(88≦x≦91)
また、本発明に係る他のMg系非晶質水素吸蔵合金は、下記の組成式で表されるものである。
(MはMg,Pd,Ni以外の金属元素。n>0、100−2m<n<m)
これらのMg系非晶質水素吸蔵合金は、水素吸蔵性能を有しているのみならず、水素を吸蔵することで電気抵抗値が変化するという特性を備えるものであり、水素の貯蔵用途に用いることができるほか、水素と接触した際の電気抵抗値の変化を検出することで、水素の測定に用いることができる。
(70≦x≦91、好ましくは88≦x≦91)
また、本発明に係る他の水素感応体2は、下記の組成式で表されるものである。
(MはMg,Pd以外の金属元素。n>0、100−2m<n<m)
これらの水素感応体2は、水素と接触することで電気抵抗値が変化し、この電気抵抗値の変化を測定することで、水素の測定を行うことができる。また、水素の測定時に加熱を行う必要がなく、また隔膜や電解液を用いる必要もなく、チップ化が容易であり、この水素感応体2を用いれば、高感度で簡便な構成の水素センサ1を構成することができるものである。
アルゴン雰囲気下に置いたBNルツボ中で、高周波溶解法によりMg系合金の母合金を作製し、単ロール液体急冷法により急冷して、所定の組成比を有する実施例1〜8、比較例1〜5の合金を得た。
Mg、Pdに加え、第三の金属元素を加えたMg系非晶質水素吸蔵合金を、上記実施例1〜8と同一の手法により作製した(実施例9〜20)。
2 水素感応体
17 気相
18 液相
Claims (6)
- 下記の組成式で表されるMg系非晶質水素吸蔵合金。
MgxPd100-x
(70≦x≦91) - 下記の組成式で表される請求項1に記載のMg系非晶質水素吸蔵合金。
MgxPd100-x
(88≦x≦91) - 下記の組成式で表されるMg系非晶質水素吸蔵合金。
MgmMnPd100-m-n
(MはMg,Pd,Ni以外の金属元素。n>0、100−2m<n<m) - 請求項1又は2に記載のMg系非晶質水素吸蔵合金にて形成されることを特徴とする水素感応体。
- 下記の組成式で表されるMg系非晶質水素吸蔵合金にて形成されることを特徴とする水素感応体。
MgmMnPd100-m-n
(MはMg,Pd以外の金属元素。n>0、100−2m<n<m) - 請求項4又は5に記載の水素感応体を備え、前記水素感応体の電気抵抗値の変化に基づいて水素を検知する水素センサ。
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007071547A (ja) * | 2005-09-02 | 2007-03-22 | National Institute Of Advanced Industrial & Technology | マグネシウム・パラジウム合金薄膜を用いた水素センサ |
WO2008018243A1 (fr) | 2006-08-11 | 2008-02-14 | Kabushiki Kaisha Atsumitec | Capteur de concentration d'hydrogène gazeux et appareil pour déterminer une concentration d'hydrogène gazeux |
JP2008532894A (ja) * | 2005-02-07 | 2008-08-21 | アンスティテュ フランセ デュ ペトロール | マグネシウムおよびパラジウムの合金と対応する水酸化物との間で平衡を保つ系を用いる水素貯蔵方法 |
JP2009517668A (ja) * | 2005-11-29 | 2009-04-30 | ユストゥス−リービッヒ−ウニヴェルジテート・ギーセン | 水素センサ |
CN103760195A (zh) * | 2014-02-13 | 2014-04-30 | 中国电子科技集团公司第四十九研究所 | 一种钯金合金氢气传感器芯体的制造方法 |
DE102016109569A1 (de) | 2015-08-11 | 2017-02-16 | Miz Company Limited | Wasserstoffgaserzeuger |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60194347A (ja) * | 1984-03-15 | 1985-10-02 | Nec Corp | 水素ガスセンサ |
JPH03272444A (ja) * | 1990-03-20 | 1991-12-04 | Sanyo Electric Co Ltd | 水素ガスセンサ |
JP2001254158A (ja) * | 2000-03-13 | 2001-09-18 | Japan Science & Technology Corp | 非晶質Mg−Ni系水素吸蔵合金成形体とその製造方法 |
JP2001254157A (ja) * | 2000-03-09 | 2001-09-18 | Japan Science & Technology Corp | Mg基非晶質合金 |
-
2004
- 2004-03-09 JP JP2004066089A patent/JP4575685B2/ja not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60194347A (ja) * | 1984-03-15 | 1985-10-02 | Nec Corp | 水素ガスセンサ |
JPH03272444A (ja) * | 1990-03-20 | 1991-12-04 | Sanyo Electric Co Ltd | 水素ガスセンサ |
JP2001254157A (ja) * | 2000-03-09 | 2001-09-18 | Japan Science & Technology Corp | Mg基非晶質合金 |
JP2001254158A (ja) * | 2000-03-13 | 2001-09-18 | Japan Science & Technology Corp | 非晶質Mg−Ni系水素吸蔵合金成形体とその製造方法 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008532894A (ja) * | 2005-02-07 | 2008-08-21 | アンスティテュ フランセ デュ ペトロール | マグネシウムおよびパラジウムの合金と対応する水酸化物との間で平衡を保つ系を用いる水素貯蔵方法 |
JP2007071547A (ja) * | 2005-09-02 | 2007-03-22 | National Institute Of Advanced Industrial & Technology | マグネシウム・パラジウム合金薄膜を用いた水素センサ |
JP4599593B2 (ja) * | 2005-09-02 | 2010-12-15 | 独立行政法人産業技術総合研究所 | マグネシウム・パラジウム合金薄膜を用いた水素センサ |
JP2009517668A (ja) * | 2005-11-29 | 2009-04-30 | ユストゥス−リービッヒ−ウニヴェルジテート・ギーセン | 水素センサ |
WO2008018243A1 (fr) | 2006-08-11 | 2008-02-14 | Kabushiki Kaisha Atsumitec | Capteur de concentration d'hydrogène gazeux et appareil pour déterminer une concentration d'hydrogène gazeux |
CN103760195A (zh) * | 2014-02-13 | 2014-04-30 | 中国电子科技集团公司第四十九研究所 | 一种钯金合金氢气传感器芯体的制造方法 |
DE102016109569A1 (de) | 2015-08-11 | 2017-02-16 | Miz Company Limited | Wasserstoffgaserzeuger |
US10435798B2 (en) | 2015-08-11 | 2019-10-08 | Miz Company Limited | Hydrogen gas generator |
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