JP6784440B2 - ガス吸着材、および、これを用いた真空断熱材 - Google Patents
ガス吸着材、および、これを用いた真空断熱材 Download PDFInfo
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- JP6784440B2 JP6784440B2 JP2015138132A JP2015138132A JP6784440B2 JP 6784440 B2 JP6784440 B2 JP 6784440B2 JP 2015138132 A JP2015138132 A JP 2015138132A JP 2015138132 A JP2015138132 A JP 2015138132A JP 6784440 B2 JP6784440 B2 JP 6784440B2
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- 239000003463 adsorbent Substances 0.000 title claims description 110
- 239000011810 insulating material Substances 0.000 title claims description 34
- 239000007789 gas Substances 0.000 claims description 217
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 122
- 229910052751 metal Inorganic materials 0.000 claims description 110
- 239000002184 metal Substances 0.000 claims description 110
- 238000001179 sorption measurement Methods 0.000 claims description 92
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 80
- 239000000203 mixture Substances 0.000 claims description 79
- 239000000463 material Substances 0.000 claims description 64
- 239000000654 additive Substances 0.000 claims description 61
- 229910052757 nitrogen Inorganic materials 0.000 claims description 57
- 230000000996 additive effect Effects 0.000 claims description 55
- 239000002245 particle Substances 0.000 claims description 43
- 229910000733 Li alloy Inorganic materials 0.000 claims description 35
- 239000001989 lithium alloy Substances 0.000 claims description 35
- 239000011358 absorbing material Substances 0.000 claims description 33
- 229910045601 alloy Inorganic materials 0.000 claims description 16
- 239000000956 alloy Substances 0.000 claims description 16
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 16
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 16
- 239000000292 calcium oxide Substances 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 10
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 7
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 12
- 230000004888 barrier function Effects 0.000 description 12
- 229910052723 transition metal Inorganic materials 0.000 description 12
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- 239000000835 fiber Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 description 6
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
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- 239000000395 magnesium oxide Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 3
- 150000002736 metal compounds Chemical class 0.000 description 3
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
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- 238000003466 welding Methods 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910007919 Li-Ba Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- ZGTNJINJRMRGNV-UHFFFAOYSA-N [V].[Fe].[Zr] Chemical compound [V].[Fe].[Zr] ZGTNJINJRMRGNV-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920005648 ethylene methacrylic acid copolymer Polymers 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 1
- 229920006226 ethylene-acrylic acid Polymers 0.000 description 1
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- 238000010304 firing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
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- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000003230 hygroscopic agent Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 238000007561 laser diffraction method Methods 0.000 description 1
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- 239000000314 lubricant Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
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- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 229910002058 ternary alloy Inorganic materials 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Insulation (AREA)
- Separation Of Gases By Adsorption (AREA)
- Drying Of Gases (AREA)
Description
BaLi4(Ba−Li合金)0.05g(平均粒子径300μm以下、純度99%以上、高純度化学製)をホットプレート上で500℃に加熱し溶融させた。事前に500℃まで加熱しておいた酸化カルシウム(平均粒子径4μm、宇部マテリアルズ製)0.2gを加熱・溶融状態のBa−Li合金に混合し、均一になるまで混合後、室温まで冷却することにより、被覆処理された粒子状の窒素吸着組成物を得た。
実施例1と同一のBaLi40.05gと酸化カルシウム0.2gを試料皿上で単純に混合した組成物を作成した。得られた組成物を実施例1と同様にSEM/EDS観察およびEDSマッピングを行ったところ、CaO粒子上にBaが存在していないことを確認した(図5および図6)。
実施例1で作製したBaLi4/CaO粒子を、図2に示すように水分吸着材(CaO)11で被覆したガス吸着材7を作製し、これの窒素吸着能を測定した。上記の実施例2は、BaLi4/CaO粒子(ガス吸着組成物)は、吸水材(CaO)中に分散させて成型し、該成型体を水分吸着材で被覆した。
実施例1で作製したBaLi4/CaO粒子を、図9に示すように水分不透過な金属容器の底部に敷き詰め、上部を水分吸着材CaOで被覆した窒素吸着材を作製し、窒素吸着能を実施例2と同様の方法で測定した。測定結果によれば、時間とともに、圧力の減少が観察され、窒素吸着デバイスによる窒素吸収が確認された。BaLi4/CaO粒子(ガス吸着組成物)は、吸水材(CaO)中に分散させて成型し、該成型体をハードケース内に配置後、開放面を水分吸着材で被覆した。
実施例1において、リチウム合金をLiに変更した以外は、実施例1と同様に、粒子状の窒素吸着組成物を用いて窒素吸着材を作製した。窒素吸着材の窒素吸着能を実施例2と同様に測定した。測定結果では、時間とともに、圧力の減少が観察され、窒素吸着材による窒素吸収が確認された。上記の実施例4では、Liを酸化カルシウムの粒子表面に付着させた窒素吸着組成物を吸水材中に分散させて成形し、水分吸着材で被覆した。
比較例1で作製した粒子を、実施例2と同様の方法で、窒素吸着能を測定したが、圧力の変化がなく、窒素吸着は確認されなかった。
実施例4と同一の金属Liと酸化カルシウムCaOを混合した。混合は、加温せずに行った。金属Liが柔らかいため、両者を均一にそもそも混合することはできなかった。
前記実施例1で作製したガス吸着材と金属化合物(Ba−Li合金)とを、危険物の試験および性状に関する省令の別表第八に準じた方法で試験し、実施例1で作製したガス吸着材とBa−Li合金とが水と夫々反応した際のガス発生量を測定した。ガス発生量の測定は、図11に示す装置を用いて行った。
実施例5と同様に金属化合物(Ba−Li合金)0.2gが水と反応した際のガス発生量を測定した。比較例4では、多量のガス発生量が多量にならないように、金属化合物の使用量を上記の値とした。
BaLi4(Ba−Li合金)0.05g(平均粒子径300μm以下、純度99%以上、高純度化学製)をホットプレート上で500℃に加熱し溶融させた。事前に500℃まで加熱しておいたTi粉末(平均粒子径26μm、トウホウテック製)0.2gを、加熱・溶融状態のBa−Li合金に添加し、均一になるまで混合した。その後、室温になるまで冷却し、実施例6の窒素吸着組成物を得た。SEM/EDS(日立ハイテク性Su−8020)による観察の結果、実施例6は、Ti粉末の粒子表面に、Ba−Li合金が付着していることを確認した。
BaLi4(Ba−Li合金)0.05g(平均粒子径300μm以下、純度99%以上、高純度化学製)をホットプレート上で500℃に加熱し溶融させた。事前に500℃まで加熱しておいたFe粉末(平均粒子径4μm、トウホウテック製)0.2gを加熱・溶融状態のBa−Li合金に混合し、均一になるまで混合後、室温まで冷却し、実施例7の窒素吸着組成物を得た。SEM/EDS(日立ハイテク性Su−8020)による観察の結果、実施例7は、Fe粉末の粒子表面にBa−Li合金が付着していることを確認した。
2 外装材
6 芯材
7 ガス吸着材
10 窒素吸着組成物
11 水分吸着材
12 添加材
13 金属
14 吸水材
15 ターゲットガス吸着面
Claims (5)
- Li、VおよびZrの少なくとも一種、または、前記金属を含む合金からなり、窒素吸着能を備え、金属を窒素の吸着成分として含有するガス吸着材であって、前記金属に対する複数の粒子を含む添加材を有し、前記添加材の粒子のうちの少なくとも一つの表面に前記金属が付着しており、前記金属が前記添加材の粒子を包含しているガス吸着組成物を含有しており、
さらに、吸水材を含有しており、
前記添加材は、酸化カルシウム、TiおよびFeからなる群から一種以上選択されることを特徴とするガス吸着材。 - 前記金属が、Liとアルカリ土類金属との合金である、請求項1に記載のガス吸着材。
- 前記金属が、Ba−Li合金である、請求項2に記載のガス吸着材。
- 前記金属と前記添加材とを有するガス吸着組成物を前記吸水材で被覆し、前記ガス吸着組成物のターゲットガス吸着面のガスに対する曝露領域に前記吸水材を配置させた請求項1に記載のガス吸着材。
- 内部環境を減圧状態にし、熱伝導領域に置かれることによって、断熱効果を発揮する真空断熱材であって、前記内部環境に、請求項1から請求項4までのいずれか一項に記載のガス吸着材を備える、真空断熱材。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15190961.1A EP3012020B1 (en) | 2014-10-24 | 2015-10-22 | Gas-adsorbing material and use of a vacuum insulation material including the same |
US14/920,261 US10421059B2 (en) | 2014-10-24 | 2015-10-22 | Gas-adsorbing material and vacuum insulation material including the same |
CN201510698278.5A CN105536686B (zh) | 2014-10-24 | 2015-10-23 | 气体吸附材料和包括其的真空绝热材料 |
KR1020150147807A KR102435766B1 (ko) | 2014-10-24 | 2015-10-23 | 가스 흡착 재료, 및 이를 이용한 진공단열재 |
US16/533,146 US10875009B2 (en) | 2014-10-24 | 2019-08-06 | Gas-adsorbing material and vacuum insulation material including the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014217230 | 2014-10-24 | ||
JP2014217230 | 2014-10-24 |
Publications (2)
Publication Number | Publication Date |
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JP2016083655A JP2016083655A (ja) | 2016-05-19 |
JP6784440B2 true JP6784440B2 (ja) | 2020-11-11 |
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JP2015138132A Expired - Fee Related JP6784440B2 (ja) | 2014-10-24 | 2015-07-09 | ガス吸着材、および、これを用いた真空断熱材 |
Country Status (2)
Country | Link |
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JP (1) | JP6784440B2 (ja) |
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