KR101814162B1 - 포름산 탈수소화 촉매 및 이의 제조방법 - Google Patents
포름산 탈수소화 촉매 및 이의 제조방법 Download PDFInfo
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- KR101814162B1 KR101814162B1 KR1020150137857A KR20150137857A KR101814162B1 KR 101814162 B1 KR101814162 B1 KR 101814162B1 KR 1020150137857 A KR1020150137857 A KR 1020150137857A KR 20150137857 A KR20150137857 A KR 20150137857A KR 101814162 B1 KR101814162 B1 KR 101814162B1
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- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 239000003054 catalyst Substances 0.000 title claims abstract description 93
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 235000019253 formic acid Nutrition 0.000 title claims abstract description 69
- 238000006356 dehydrogenation reaction Methods 0.000 title claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 title abstract description 15
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 104
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 62
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 claims abstract description 53
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 50
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 45
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 40
- 239000002105 nanoparticle Substances 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000002243 precursor Substances 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 17
- 239000007864 aqueous solution Substances 0.000 claims description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 14
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 239000012696 Pd precursors Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 150000001412 amines Chemical class 0.000 claims description 4
- 125000004429 atom Chemical group 0.000 claims description 4
- 125000000524 functional group Chemical group 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical group [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 claims description 3
- 238000000197 pyrolysis Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 25
- 230000008569 process Effects 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
- 239000012153 distilled water Substances 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 239000003273 ketjen black Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 239000006229 carbon black Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000002815 homogeneous catalyst Substances 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000002638 heterogeneous catalyst Substances 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical compound C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004280 Sodium formate Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000000779 annular dark-field scanning transmission electron microscopy Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 239000007806 chemical reaction intermediate Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910003472 fullerene Inorganic materials 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 230000004297 night vision Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000001350 scanning transmission electron microscopy Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
- 235000019254 sodium formate Nutrition 0.000 description 1
- 238000004627 transmission electron microscopy Methods 0.000 description 1
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- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/44—Palladium
-
- B01J35/023—
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
- B01J37/0207—Pretreatment of the support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
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- 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
- Y02E60/50—Fuel cells
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
Description
도 2는 본 발명 실시예 1의 포름산 탈수소화 촉매를 촬영한 주사투과전자현미경(STEM) 사진이다.
도 3은 본 발명 실시예 1의 포름산 탈수소화 촉매를 고각 환형 암시야 주사투과현미경(HADDF- STEM)으로 맵핑(element mapping) 분석한 결과를 나타내는 사진이다.
도 4는 본 발명 실시예 1의 X-선 회절분석 결과를 나타낸 그래프이다.
도 5는 본 발명 실시예 1의 포름산 탈수소화 촉매의 수소발생정도를 나타낸 그래프이다.
도 6은 본 발명 실시예 1 및 비교예 1 내지 2의 포름산 분해활성 평가 결과를 나타낸 그래프이다.
도 7은 본 발명 실시예 1 및 비교예 1 내지 2의 전환빈도(TOF) 평가 결과를 나타낸 그래프이다.
102: 포름산 탈수소화 촉매의 결정 피크 분석 결과
Claims (14)
- 탄소계 지지체에 질소 전구체를 흡착 시킨 후 열분해하여, 도핑된 질소 원자가 탄소계 지지체 내의 탄소 원자와 결합을 형성한 형태의 질소-탄소 담체를 제조하는 단계; 및
상기 질소-탄소 담체 상에 팔라듐(Pd) 나노입자를 담지하여 담지촉매를 제조하는 단계; 를 포함하는 포름산 탈수소화 촉매 제조방법.
- 제1항에 있어서,
상기 질소-탄소 담체를 제조하는 단계는 아민계 작용기를 다공성 탄소계 지지체에 흡착시키고, 다공성 탄소계 지지체의 구조 내에 질소 원자를 도핑하는 것을 포함하는 탈수소화 촉매 제조방법.
- 제1항에 있어서,
상기 질소-탄소 담체를 제조하는 단계는 질소전구체 수용액와 다공성 탄소계 지지체를 반응시킨 후 수분을 제거하여 질소 전구체가 흡착된 탄소계 지지체를 제조하는 것을 포함하는 탈수소화 촉매 제조방법.
- 제3항에 있어서,
상기 질소-탄소 담체를 제조하는 단계는 상기 질소 전구체가 흡착된 탄소계 지지체를 500℃ 내지 600℃의 온도에서 열분해하여, 탄소계 지지체의 구조 내에 질소원자를 도핑하고, 도핑된 질소 원자와 탄소계 지지체 내의 탄소 원자가 새로운 결합을 형성하는 동시에, 팔라듐 나노입자와 상호작용이 가능한 반응자리를 생성하는 것을 포함하는 것을 포함하는 탈수소화 촉매 제조방법.
- 제1항에 있어서,
상기 담지촉매를 제조하는 단계는 팔라듐 전구체 수용액와 질소-탄소 담체를 반응시킨 후, 상기 질소-탄소 담체 상에 담지된 팔라듐 나노입자를 환원시키는 것을 포함하는 탈수소화 촉매 제조방법.
- 제1항에 있어서,
상기 질소-탄소 담체는 중공(hollow) 구조를 갖는 포름산 탈수소화 촉매 제조방법.
- 제1항에 있어서,
상기 팔라듐 나노입자는 평균입경이 2nm 내지 7nm 인 포름산 탈수소화 촉매 제조방법.
- 질소(N)원자가 도핑되고, 상기 도핑된 질소 원자와 탄소계 지지체 내의 탄소 원자와 새로운 결합을 형성한 형태의 질소-탄소 담체; 및 상기 질소-탄소 담체 상에 담지된 팔라듐(Pd) 나노입자를 포함하는 포름산 탈수소화 촉매.
- 제8항에 있어서,
상기 포름산 탈수소화 촉매는 도핑된 질소원자의 함량이 3 중량% 내지 9 중량%인 포름산 탈수소화 촉매.
- 제8항에 있어서,
상기 포름산 탈수소화 촉매는 담지된 팔라듐 나노입자의 함량이 1 중량% 내지 9 중량%인 포름산 탈수소화 촉매.
- 제8항에 있어서,
상기 질소-탄소 담체는 중공(hollow) 구조를 갖는 포름산 탈수소화 촉매.
- 제8항에 있어서,
상기 팔라듐 나노입자는 평균입경이 2nm 내지 7nm 인 포름산 탈수소화 촉매.
- 제8항 내지 제12항 중 어느 한 항의 포름산 탈수소화 촉매를 포함하는 연료전지.
- 제8항 내지 제12항 중 어느 한 항의 포름산 탈수소화 촉매를 포함하는 수소발생기.
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KR100924975B1 (ko) | 2003-11-27 | 2009-11-04 | 네스테 오일 오와이제이 | 촉매 및 이의 제조방법 |
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Non-Patent Citations (2)
Title |
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Qifeng Tian et al. Ionics, 2015, vol.21, pp.1693-1701.* |
R.Imran Jafri et al. International Journal of Hydrogen Energy, 2015, vo.40, pp.4337-4348. |
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