JP6480330B2 - 電気化学反応器並びにそれを使用した一酸化炭素及び水蒸気からの水素及び二酸化炭素の製造方法 - Google Patents
電気化学反応器並びにそれを使用した一酸化炭素及び水蒸気からの水素及び二酸化炭素の製造方法 Download PDFInfo
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims description 73
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims description 60
- 229910002091 carbon monoxide Inorganic materials 0.000 title claims description 59
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims description 36
- 239000001569 carbon dioxide Substances 0.000 title claims description 36
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims description 36
- 239000001257 hydrogen Substances 0.000 title claims description 36
- 229910052739 hydrogen Inorganic materials 0.000 title claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 41
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 40
- 239000007789 gas Substances 0.000 claims description 29
- 239000003792 electrolyte Substances 0.000 claims description 21
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 19
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 18
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 18
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 18
- 239000012528 membrane Substances 0.000 claims description 18
- 239000006104 solid solution Substances 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 229910017052 cobalt Inorganic materials 0.000 claims description 7
- 239000010941 cobalt Substances 0.000 claims description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 description 42
- 239000000843 powder Substances 0.000 description 37
- 229910021526 gadolinium-doped ceria Inorganic materials 0.000 description 27
- 239000000203 mixture Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 10
- 238000002441 X-ray diffraction Methods 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 5
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 229910020599 Co 3 O 4 Inorganic materials 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910002431 Ce0.8Gd0.2O1.9 Inorganic materials 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
- 238000004364 calculation method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910002554 Fe(NO3)3·9H2O Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B13/00—Diaphragms; Spacing elements
- C25B13/02—Diaphragms; Spacing elements characterised by shape or form
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B13/00—Diaphragms; Spacing elements
- C25B13/04—Diaphragms; Spacing elements characterised by the material
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
Description
CO+H2O→H2+CO2・・・(1)
CH4+CO2→2H2+2CO・・・(2)
MC+CO2→MCO+CO・・・(11)
MCO+2e−→MC+O2−・・・(12)
CO2+2e−→CO+O2−・・・(13)
MA+O2−→MAO+2e−・・・(14)
CH4+MAO→CO+2H2+MA・・・(15)
CH4+O2−→CO+2H2+2e−・・・(16)
CO2+CH4→2H2+2CO・・・(17)
Co+H2O→CoO+H2・・・(21)
CoO+2e−→Co+O2−・・・(22)
H2O+2e−→H2+O2−・・・(23)
3Fe+4O2−→Fe3O4+8e−・・・(24)
Fe3O4+CO→3FeO+CO2・・・(25)
3FeO+O2−→Fe3O4+2e−・・・(26)
CO+O2−→CO2+2e−・・・(27)
2Fe+10Ce0.8Gd0.2O1.9+3O2−→2GdFeO3+8CeO2+6e−・・・(28)
2GdFeO3+CO→2FeO・Gd2O3+CO2・・・(29)
2FeO・Gd2O3+O2−→2GdFeO3+2e−・・・(30)
CO+O2−→CO2+2e−・・・(31)
CO+H2O→CO2+H2・・・(32)
CH4+CO2+2H2O→4H2+2CO2・・・(33)
2O2−→O2+4e−・・・(34)
Claims (4)
- 一酸化炭素及び水蒸気から水素及び二酸化炭素を製造する電気化学反応器であって、
鉄及びガドリニウム固溶セリアを含有するアノード電極と、
コバルト及びガドリニウム固溶セリアを含有するカソード電極と、
前記アノード電極と前記カソード電極との間に設けられ、ガドリニウム固溶セリアを含有する多孔質の電解質膜と、
を有することを特徴とする電気化学反応器。 - メタン及び二酸化炭素から水素及び一酸化炭素を生成する第1の電気化学反応器と、
水蒸気及び前記第1の電気化学反応器により生成された一酸化炭素から水素及び二酸化炭素を生成する第2の電気化学反応器と、
を有し、
前記第2の電気化学反応器は、
鉄及びガドリニウム固溶セリアを含有するアノード電極と、
コバルト及びガドリニウム固溶セリアを含有するカソード電極と、
前記アノード電極と前記カソード電極との間に設けられ、ガドリニウム固溶セリアを含有する多孔質の電解質膜と、
を有することを特徴とする複合電気化学反応器。 - 電気化学反応器のアノード電極とカソード電極との間に電圧を印加する工程と、
前記カソード電極に向けて水蒸気及び一酸化炭素を含むガスを供給する工程と、
を有し、
前記電気化学反応器は、
鉄及びガドリニウム固溶セリアを含有するアノード電極と、
コバルト及びガドリニウム固溶セリアを含有するカソード電極と、
前記アノード電極と前記カソード電極との間に設けられ、ガドリニウム固溶セリアを含有する多孔質の電解質膜と、
を有することを特徴とする水素及び二酸化炭素の製造方法。 - メタン及び二酸化炭素から水素及び一酸化炭素を生成する第1の電気化学反応器と、水蒸気及び前記第1の電気化学反応器により生成された一酸化炭素から水素及び二酸化炭素を生成する第2の電気化学反応器とを有する複合電気化学反応器の前記第1の電気化学反応器のアノード電極とカソード電極との間に電圧を印加する工程と、
前記複合電気化学反応器の前記第2の電気化学反応器のアノード電極とカソード電極との間に電圧を印加する工程と、
前記第1の電気化学反応器の前記カソード電極に向けてメタン及び二酸化炭素を含むガスを供給する工程と、
を有し、
前記第2の電気化学反応器は、
鉄及びガドリニウム固溶セリアを含有するアノード電極と、
コバルト及びガドリニウム固溶セリアを含有するカソード電極と、
前記アノード電極と前記カソード電極との間に設けられ、ガドリニウム固溶セリアを含有する多孔質の電解質膜と、
を有することを特徴とする水素及び二酸化炭素の製造方法。
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JP2013168640 | 2013-08-14 | ||
JP2013168640 | 2013-08-14 | ||
PCT/JP2014/070991 WO2015022912A1 (ja) | 2013-08-14 | 2014-08-08 | 電気化学反応器並びにそれを使用した一酸化炭素及び水蒸気からの水素及び二酸化炭素の製造方法 |
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JP6945898B2 (ja) * | 2018-10-01 | 2021-10-06 | 国立研究開発法人産業技術総合研究所 | 電気化学触媒、集積体、電気化学反応器、炭化水素生成システムおよび炭化水素の生成方法 |
WO2022271588A1 (en) * | 2021-06-21 | 2022-12-29 | Utility Global, Inc. | Production of hydrogen or carbon monoxide from waste gases |
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JP2010232134A (ja) * | 2009-03-30 | 2010-10-14 | Mitsubishi Materials Corp | 耐久性のある燃料極およびこの燃料極を組み込んだ固体酸化物形燃料電池 |
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