JP2023065251A - 水素発生装置 - Google Patents
水素発生装置 Download PDFInfo
- Publication number
- JP2023065251A JP2023065251A JP2021175944A JP2021175944A JP2023065251A JP 2023065251 A JP2023065251 A JP 2023065251A JP 2021175944 A JP2021175944 A JP 2021175944A JP 2021175944 A JP2021175944 A JP 2021175944A JP 2023065251 A JP2023065251 A JP 2023065251A
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- JP
- Japan
- Prior art keywords
- electrodes
- hydrogen
- diaphragm
- cathode
- anode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 54
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 54
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 11
- -1 hydroxyl ions Chemical class 0.000 claims abstract description 11
- 239000001301 oxygen Substances 0.000 claims abstract description 11
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 11
- 238000005868 electrolysis reaction Methods 0.000 claims description 38
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- 239000003792 electrolyte Substances 0.000 claims description 22
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 16
- 239000007864 aqueous solution Substances 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 150000002500 ions Chemical class 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 5
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000003014 ion exchange membrane Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
Landscapes
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
Description
11 電極
12 隔膜
13 電解液
20 水素発生装置
21 電極
22 隔膜
23 電解液
Claims (7)
- 陰極と陽極の電極、両電極によって挟まれた隔膜、及び電解液で構成され、陰極に供給された水と外部電源からやってくる電子とが電極上で結合して水素と水酸化イオンが生成され、生成された水酸化イオンは陽極側へ移動し、陽極電極上で水と酸素と電子が生成され、これにより水素が陰極側に生成される水素発生装置であって、厚みのある前記隔膜を採用し、前記電極を打ち抜き多孔板などとして前記隔膜に接触してなることを特徴としたアルカリ水電解を用いた水素発生装置。
- 前記電極は両極ともニッケルメッキした鉄電極あるいはニッケル系材料が利用されことを特徴とした請求項1に記載のアルカリ水電解を用いた水素発生装置。
- 前記隔膜は両極で発生する水素と酸素との混合を防止し、あわせてイオン電導をつかさどるポリエステル系の多孔質膜、フッ素膜、芳香族膜とすることを特徴とした請求項1に記載のアルカリ水電解を用いた水素発生装置。
- 前記電解液としてアルカリ電解液を利用することを特徴とした請求項1に記載のアルカリ水電解を用いた水素発生装置。
- 前記アルカリ電解液は、水酸化カリウム(KOH)水溶液及び水酸化ナトリウム(NaOH)水溶液が利用でき、好ましくは、イオン電導性の面で濃度20~32%の水酸化カリウム水溶液(KOH)が利用されることを特徴とした請求項4に記載のアルカリ水電解を用いた水素発生装置。
- 前記隔膜は、約0.5mm前後の隔膜であることを特徴とした請求項1または3に記載のアルカリ水電解を用いた水素発生装置。
- 前記電極は、電流密度40A/dm2に対し、電解電圧が1.7V~1.9Vであることを特徴とした請求項1または2に記載のアルカリ水電解を用いた水素発生装置。
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JP2021175944A JP2023065251A (ja) | 2021-10-27 | 2021-10-27 | 水素発生装置 |
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JP2021175944A JP2023065251A (ja) | 2021-10-27 | 2021-10-27 | 水素発生装置 |
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JP2023065251A true JP2023065251A (ja) | 2023-05-12 |
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JP2021175944A Ceased JP2023065251A (ja) | 2021-10-27 | 2021-10-27 | 水素発生装置 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5693883A (en) * | 1979-12-27 | 1981-07-29 | Permelec Electrode Ltd | Electrolytic apparatus using solid polymer electrolyte diaphragm and preparation thereof |
JP2006176835A (ja) * | 2004-12-22 | 2006-07-06 | Nissan Motor Co Ltd | 水電解装置の製造方法 |
WO2016042801A1 (ja) * | 2014-09-19 | 2016-03-24 | 株式会社 東芝 | 電極ユニット、電極ユニットを備える電解槽、電解装置、電極ユニットの電極の製造方法 |
WO2016043134A1 (ja) * | 2014-09-19 | 2016-03-24 | 株式会社 東芝 | 電極ユニット、電解装置、および電解装置に用いる電極 |
WO2018020567A1 (ja) * | 2016-07-26 | 2018-02-01 | 中国電力株式会社 | 水素含有水生成装置 |
JP2019073741A (ja) * | 2017-10-12 | 2019-05-16 | 株式会社ネクスタイド | 2室型電解装置 |
US20210020975A1 (en) * | 2019-02-01 | 2021-01-21 | Aquahydrex, Inc. | Electrochemical system with confined electrolyte |
-
2021
- 2021-10-27 JP JP2021175944A patent/JP2023065251A/ja not_active Ceased
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5693883A (en) * | 1979-12-27 | 1981-07-29 | Permelec Electrode Ltd | Electrolytic apparatus using solid polymer electrolyte diaphragm and preparation thereof |
JP2006176835A (ja) * | 2004-12-22 | 2006-07-06 | Nissan Motor Co Ltd | 水電解装置の製造方法 |
WO2016042801A1 (ja) * | 2014-09-19 | 2016-03-24 | 株式会社 東芝 | 電極ユニット、電極ユニットを備える電解槽、電解装置、電極ユニットの電極の製造方法 |
WO2016043134A1 (ja) * | 2014-09-19 | 2016-03-24 | 株式会社 東芝 | 電極ユニット、電解装置、および電解装置に用いる電極 |
WO2018020567A1 (ja) * | 2016-07-26 | 2018-02-01 | 中国電力株式会社 | 水素含有水生成装置 |
JP2019073741A (ja) * | 2017-10-12 | 2019-05-16 | 株式会社ネクスタイド | 2室型電解装置 |
US20210020975A1 (en) * | 2019-02-01 | 2021-01-21 | Aquahydrex, Inc. | Electrochemical system with confined electrolyte |
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