JP7304382B2 - 水素貯蔵用の混合配位子を有する亜鉛系金属有機構造体(zit) - Google Patents
水素貯蔵用の混合配位子を有する亜鉛系金属有機構造体(zit) Download PDFInfo
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- 239000013094 zinc-based metal-organic framework Substances 0.000 title claims description 79
- 239000003446 ligand Substances 0.000 title claims description 29
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims description 16
- 239000001257 hydrogen Substances 0.000 title claims description 15
- 229910052739 hydrogen Inorganic materials 0.000 title claims description 15
- 238000003860 storage Methods 0.000 title description 9
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 78
- QMKYBPDZANOJGF-UHFFFAOYSA-N benzene-1,3,5-tricarboxylic acid Chemical compound OC(=O)C1=CC(C(O)=O)=CC(C(O)=O)=C1 QMKYBPDZANOJGF-UHFFFAOYSA-N 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 22
- 239000002243 precursor Substances 0.000 claims description 20
- 239000013110 organic ligand Substances 0.000 claims description 19
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 18
- 239000002244 precipitate Substances 0.000 claims description 17
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 239000003960 organic solvent Substances 0.000 claims description 12
- 239000011701 zinc Substances 0.000 claims description 11
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 10
- 229910052725 zinc Inorganic materials 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 239000011541 reaction mixture Substances 0.000 claims description 9
- 238000003786 synthesis reaction Methods 0.000 claims description 9
- 150000002500 ions Chemical class 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims description 4
- 239000003599 detergent Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- YZYKBQUWMPUVEN-UHFFFAOYSA-N zafuleptine Chemical compound OC(=O)CCCCCC(C(C)C)NCC1=CC=C(F)C=C1 YZYKBQUWMPUVEN-UHFFFAOYSA-N 0.000 claims description 3
- XIOUDVJTOYVRTB-UHFFFAOYSA-N 1-(1-adamantyl)-3-aminothiourea Chemical compound C1C(C2)CC3CC2CC1(NC(=S)NN)C3 XIOUDVJTOYVRTB-UHFFFAOYSA-N 0.000 claims description 2
- 239000012153 distilled water Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 239000012621 metal-organic framework Substances 0.000 description 54
- 238000004729 solvothermal method Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 13
- -1 aluminum carboxylic acids Chemical class 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 5
- 239000013095 Zn(II)-based metal-organic framework Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000002336 sorption--desorption measurement Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 238000010189 synthetic method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
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- 238000003491 array Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
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- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 238000002411 thermogravimetry Methods 0.000 description 2
- MCTWTZJPVLRJOU-UHFFFAOYSA-N 1-methyl-1H-imidazole Chemical compound CN1C=CN=C1 MCTWTZJPVLRJOU-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 125000002619 bicyclic group Chemical group 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 239000002135 nanosheet Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
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- 150000000000 tetracarboxylic acids Chemical class 0.000 description 1
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- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F3/00—Compounds containing elements of Groups 2 or 12 of the Periodic Table
- C07F3/06—Zinc compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/223—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material containing metals, e.g. organo-metallic compounds, coordination complexes
- B01J20/226—Coordination polymers, e.g. metal-organic frameworks [MOF], zeolitic imidazolate frameworks [ZIF]
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/008—Supramolecular polymers
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- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28057—Surface area, e.g. B.E.T specific surface area
- B01J20/28066—Surface area, e.g. B.E.T specific surface area being more than 1000 m2/g
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
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- C01B3/0015—Organic compounds; Solutions thereof
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Description
本発明の目的は、-10℃~25℃で効率的に水素を貯蔵するための金属有機構造体(MOFs)を提供することである。
実施例1
酢酸亜鉛二水和物2~5グラム(gm)をジメチルホルムアミド(DMF)10~30mLに溶解して、亜鉛(Zn)金属前駆体溶液を調製する。同様に、ベンゼン-1,3,5-トリカルボン酸(BTC)2~5グラム(gm)と2-メチルイミダゾール(mIm)0.2~1グラム(gm)を、ジメチルホルムアミド(DMF)10~30mLに溶解して、有機配位子溶液を調製する。その後、得られた亜鉛(Zn)金属前駆体溶液および前記有機配位子溶液を、10~30分間、超音波処理する。その後、亜鉛(Zn)金属前駆体溶液を丸底フラスコに移し、そこにベンゼン-1,3,5-トリカルボン酸(BTC)と2-メチルイミダゾール(mIm)の有機配位子溶液を滴下して、反応混合物を得る。さらに、ジメチルホルムアミド(DMF)30~50mLを反応混合物に添加する。その結果として得られた反応混合物を100~140℃で12~48時間加熱することができる。得られた反応沈殿物をろ過し、ジメチルホルムアミド(DMF)で洗浄した後、エタノール/H2O混合液で洗浄する。さらに反応沈殿物は、12~36時間の間隔でジクロロメタン(DCM)を添加して溶媒交換を行い、その後、溶媒をデカンテーションする。この手順を1週間にわたって3回繰り返し、余分なジメチルホルムアミド(DMF)溶媒を除去する。最後に、反応で得られた沈殿物を100℃のオーブンで一晩乾燥させる。
本発明は、従来技術に比べて多くの利点を提供する。本発明で調製したZn-MOFsは、低コストの材料を必要とするため、Zn-MOFsの大規模な工業生産の実現が可能となる。さらに、本発明で調製したZn-MOFsは熱安定性に優れる、すなわち、430~470℃の範囲での熱安定性を有する。さらに、本発明で調整したZn-MOFsは、極低温での貯蔵を示す他の最先端技術のMOFsと比較して、-10℃~10℃でのH2吸収能力に関してより効率的である。温度範囲-10℃~10℃は室温に近いため、極低温と比較して当該温度範囲を維持するのが容易である。
Claims (11)
- 混合配位子を有する亜鉛系金属有機構造体であって、前記混合配位子が1,3,5-ベンゼントリカルボン酸(BTC)と、2-メチルイミダゾール(mIm)とを含み、
亜鉛イオンが、2-メチルイミダゾールの1つのイオンと、1,3,5-ベンゼントリカルボン酸の3つのイオンとの四配位型である、亜鉛系金属有機構造体。 - 請求項1に記載の亜鉛系金属有機構造体であって、立方体の形態を有する亜鉛系金属有機構造体。
- 請求項1に記載の亜鉛系金属有機構造体であって、-10℃~25℃で水素を吸着する、亜鉛系金属有機構造体。
- 請求項3に記載の亜鉛系金属有機構造体であって、-10℃~10℃で水素を吸着する、亜鉛系金属有機構造体。
- 請求項1に記載の亜鉛系金属有機構造体であって、430~470℃の範囲で優れた熱安定性を有する、亜鉛系金属有機構造体。
- 請求項1に記載の亜鉛系金属有機構造体であって、1248m2/gの高表面積を有する、亜鉛系金属有機構造体。
- 亜鉛イオンが、2-メチルイミダゾールの1つのイオンと、1,3,5-ベンゼントリカルボン酸の3つのイオンとの四配位型である、請求項1に記載の亜鉛系金属有機構造体の合成方法であって、
10~30mLの有機溶媒中に、少なくとも1つの亜鉛金属前駆体2~5グラム(gm)を添加して亜鉛金属前駆体溶液を調製するステップと、
前記有機溶媒中に、1,3,5-ベンゼントリカルボン酸(BTC)2~5グラム(gm)と2-メチルイミダゾール(mIm)0.2~1グラム(gm)を添加して有機配位子溶液を調製するステップと、
前記亜鉛金属前駆体溶液、前記有機配位子溶液、および前記有機溶媒を混合して反応混合物を得るステップと、
前記反応混合物を100~140℃で12~48時間加熱して、亜鉛系金属有機構造体の沈殿物を得るステップと、
前記亜鉛系金属有機構造体の沈殿物をろ過し、洗浄するステップと、
前記亜鉛系金属有機構造体の沈殿物を精製するステップと、
前記精製した沈殿物を100℃のオーブン内で12~15時間乾燥させるステップと、を含む亜鉛系金属有機構造体の合成方法。 - 請求項7に記載の方法であって、
前記少なくとも1つの亜鉛金属前駆体は、酢酸亜鉛二水和物、硝酸亜鉛六水和物、またはそれらの組み合わせのうちの1つから選択される方法。 - 請求項7に記載の方法であって、
前記有機溶媒は、ジメチルホルムアミド(DMF)とエタノールの組み合わせである方法。 - 請求項7に記載の方法であって、
前記沈殿物の洗浄は、有機洗浄剤による洗浄、蒸留水による洗浄、またはそれらの組み合わせを含む方法。 - 請求項7に記載の方法であって、
前記有機洗浄剤は、ジメチルホルムアミド(DMF)、ジクロロメタン(DCM)、エタノール、またはそれらの混合物から選択される方法。
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