JP2016503464A - 工業上の電気化学プロセスにおける酸素発生用の電極 - Google Patents
工業上の電気化学プロセスにおける酸素発生用の電極 Download PDFInfo
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- JP2016503464A JP2016503464A JP2015544471A JP2015544471A JP2016503464A JP 2016503464 A JP2016503464 A JP 2016503464A JP 2015544471 A JP2015544471 A JP 2015544471A JP 2015544471 A JP2015544471 A JP 2015544471A JP 2016503464 A JP2016503464 A JP 2016503464A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/10—Electrodes, e.g. composition, counter electrode
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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
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
- C25B11/091—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds
- C25B11/093—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds at least one noble metal or noble metal oxide and at least one non-noble metal oxide
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/06—Electrolytic production, recovery or refining of metals by electrolysis of solutions or iron group metals, refractory metals or manganese
- C25C1/10—Electrolytic production, recovery or refining of metals by electrolysis of solutions or iron group metals, refractory metals or manganese of chromium or manganese
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/02—Electrodes; Connections thereof
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
- C25D3/06—Electroplating: Baths therefor from solutions of chromium from solutions of trivalent chromium
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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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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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)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Inert Electrodes (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Prevention Of Electric Corrosion (AREA)
- Chemically Coating (AREA)
Abstract
Description
200mm×200mm×3mmの大きさを有する等級1のチタンのシートをアセトンを用いて超音波浴の中で10分にわたって脱脂し、最初に、表面粗さRzの値が40〜45μmになるまでコランダムの粗粒を用いてサンドブラストに供し、次いで、570℃において2時間にわたってアニールを行い、次いで、27重量%のH2SO4の中で85℃の温度で105分にわたってエッチングに供し、最終的な減量が180〜250g/m2であることを確認した。
前の実施例で行ったのと同様にして、200mm×200mm×3mmの大きさを有する等級1のチタンのシートを予備処理し、80:20のモル比のチタンとタンタルの酸化物をベースとする保護層を設けた。37重量%のHClを60ml収容したビーカーの中に10gのTaCl5を入れ、混合物の全体を攪拌しながら15分間沸騰させることによって、50g/lのタンタルを含む先駆物質の溶液を調製した。次いで、50mlの脱イオン水を加え、そして容量が50±3mlに戻るまで溶液を約2時間にわたって加熱し続けた。次いで、37重量%のHClを60ml加えることによって澄んだ溶液とし、再び容量が50±3mlに戻るまで沸騰させた。次いで、脱イオン水を用いて容量を100mlにした。前の実施例の10.15mlの1.65M SnHAC溶液、前の実施例の10mlの0.9M IrHAC溶液および7.44mlの50g/l Ta溶液を、第二のビーカーに攪拌しながら加えた。攪拌を5分間延長した。次いで、10重量%の酢酸を10ml加えた。この溶液の一部を、前に処理したチタンのシートに8回はけ塗りすることによって塗布し、各々の塗布の後に、60℃において15分間の乾燥工程とそれに続く高温での15分間の分解を行った。高温での分解工程は、最初の塗布の後に480℃で行い、二回目の塗布の後に500℃で行い、後続の塗布の後に520℃で行った。
200mm×200mm×3mmの大きさを有する等級1のチタンのシートを脱脂し、最初に、表面粗さRzの値が70〜100μmになるまでコランダムの粗粒を用いてサンドブラストに供し、次いで、20重量%のHClの中で90〜100℃の温度で20分にわたってエッチングに供した。
200mm×200mm×3mmの大きさを有する等級1のチタンのシートを脱脂し、最初に、表面粗さRzの値が70〜100μmになるまでコランダムの粗粒を用いてサンドブラストに供し、次いで、20重量%のHClの中で90〜100℃の温度で20分にわたってエッチングに供した。
Claims (10)
- 電解プロセスにおいて酸素を発生させるのに適した電極であって、バルブ金属の支持体、触媒層、前記支持体と前記触媒層の間に設けられたバルブ金属の酸化物からなる保護層、およびバルブ金属の酸化物からなる外側の層を含み、前記触媒層はイリジウムの酸化物、スズの酸化物、およびビスマスとタンタルから選択される少なくとも一つのドーピング元素Mの酸化物が混合したものを含み、Ir:(Ir+Sn)のモル比は0.25から0.55までの範囲であり、そしてM:(Ir+Sn+M)のモル比は0.02から0.15までの範囲である、前記電極。
- 前記M:(Ir+Sn+M)のモル比は0.05から0.12までの範囲である、請求項1に記載の電極。
- 前記Ir:(Ir+Sn)のモル比は0.40から0.50までの範囲である、請求項1または2に記載の電極。
- 前記触媒層におけるイリジウム、スズおよび少なくとも一つのドーピング元素Mの前記酸化物は、平均の大きさが5nm未満である微結晶からなる、請求項1から3のいずれかに記載の電極。
- バルブ金属の酸化物の前記外側の層は、酸化チタンと酸化タンタルから選択される一つの成分で形成されている、請求項1から4のいずれかに記載の電極。
- 前記外側の層における前記バルブ金属の酸化物の特定の配合量は2〜25g/m2の範囲である、請求項1から5のいずれかに記載の電極。
- 前記外側の層における前記バルブ金属の酸化物の特定の配合量は9〜25g/m2の範囲である、請求項1から6のいずれかに記載の電極。
- 請求項1から7のいずれかに記載の電極を製造するための方法であって、バルブ金属の支持体にイリジウム、スズおよび前記の少なくとも一つのドーピング元素Mの先駆物質を含む溶液を塗布し、次いで、空気中での480〜530℃の温度における熱処理によって前記溶液を分解する工程、タンタルまたはチタンの先駆物質を含む溶液の塗布、およびそれに続く熱分解によって前記外側の層を形成する工程、を含む前記方法。
- 水溶液から金属を陰極電着させる方法であって、請求項1から7のいずれかに記載の電極の表面上で行う酸素の陽極発生を含む、前記方法。
- 前記陰極電着はCr(III) を含む水溶液からのクロムの電着である、請求項9に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI2012A002035 | 2012-11-29 | ||
IT002035A ITMI20122035A1 (it) | 2012-11-29 | 2012-11-29 | Elettrodo per evoluzione di ossigeno in processi elettrochimici industriali |
PCT/EP2013/075055 WO2014083144A1 (en) | 2012-11-29 | 2013-11-29 | Electrode for oxygen evolution in industrial electrochemical processes |
Publications (2)
Publication Number | Publication Date |
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JP2016503464A true JP2016503464A (ja) | 2016-02-04 |
JP6404226B2 JP6404226B2 (ja) | 2018-10-10 |
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Application Number | Title | Priority Date | Filing Date |
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JP2015544471A Active JP6404226B2 (ja) | 2012-11-29 | 2013-11-29 | 工業上の電気化学プロセスにおける酸素発生用の電極、当該電極を製造するための方法、及び、当該電極を用い、水溶液から金属を陰極電着させる方法 |
Country Status (18)
Country | Link |
---|---|
US (2) | US11098415B2 (ja) |
EP (1) | EP2925910B1 (ja) |
JP (1) | JP6404226B2 (ja) |
KR (1) | KR102153882B1 (ja) |
CN (1) | CN104755658B (ja) |
AR (1) | AR093388A1 (ja) |
AU (1) | AU2013351107B2 (ja) |
BR (1) | BR112015012134B1 (ja) |
CA (1) | CA2884389C (ja) |
EA (1) | EA029324B1 (ja) |
HK (1) | HK1207892A1 (ja) |
IL (1) | IL237859B (ja) |
IT (1) | ITMI20122035A1 (ja) |
MX (1) | MX362171B (ja) |
MY (1) | MY169925A (ja) |
PL (1) | PL2925910T3 (ja) |
TW (1) | TWI596236B (ja) |
WO (1) | WO2014083144A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7168729B1 (ja) * | 2021-07-12 | 2022-11-09 | デノラ・ペルメレック株式会社 | 工業用電解プロセス用電極 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2016064836A1 (en) * | 2014-10-21 | 2016-04-28 | Evoqua Water Technologies Llc | Electrode with two layer coating, method of use, and preparation thereof |
KR102403804B1 (ko) | 2020-05-19 | 2022-05-30 | 재단법인 중소조선연구원 | 인공서핑수조 조파장치 |
CN111962131B (zh) * | 2020-07-14 | 2021-06-22 | 广东省科学院稀有金属研究所 | 一种析氧电极用复合氧化物催化涂层及其制备方法 |
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JPS54125197A (en) * | 1978-03-24 | 1979-09-28 | Berumeretsuku Denkiyoku Kk | Electrolytic electrode and its manufacture |
JPS5693883A (en) * | 1979-12-27 | 1981-07-29 | Permelec Electrode Ltd | Electrolytic apparatus using solid polymer electrolyte diaphragm and preparation thereof |
JPS6130690A (ja) * | 1984-06-27 | 1986-02-12 | ヴエ−・ツエ−・ヘレウス・ゲゼルシヤフト・ミツト・ベシユレンクタ−・ハフツング | 複合電極、その製法及び使用方法 |
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JPH07316874A (ja) * | 1994-05-24 | 1995-12-05 | Permelec Electrode Ltd | クロムめっき方法 |
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US20120125785A1 (en) * | 2009-07-28 | 2012-05-24 | Industrie De Nora S.P.A. | Cathode for Electrolytic Processes |
WO2012101141A1 (en) * | 2011-01-26 | 2012-08-02 | Industrie De Nora S.P.A. | Electrode for oxygen evolution in industrial electrochemical processes |
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ITMI20041006A1 (it) * | 2004-05-20 | 2004-08-20 | De Nora Elettrodi Spa | Anodo per sviluppo ossigeno |
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-
2012
- 2012-11-29 IT IT002035A patent/ITMI20122035A1/it unknown
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- 2013-10-11 TW TW102136649A patent/TWI596236B/zh active
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- 2013-11-29 EP EP13801514.4A patent/EP2925910B1/en active Active
- 2013-11-29 KR KR1020157017228A patent/KR102153882B1/ko active IP Right Grant
- 2013-11-29 EA EA201591039A patent/EA029324B1/ru not_active IP Right Cessation
- 2013-11-29 JP JP2015544471A patent/JP6404226B2/ja active Active
- 2013-11-29 CN CN201380056303.9A patent/CN104755658B/zh active Active
- 2013-11-29 BR BR112015012134-9A patent/BR112015012134B1/pt active IP Right Grant
- 2013-11-29 WO PCT/EP2013/075055 patent/WO2014083144A1/en active Application Filing
- 2013-11-29 MY MYPI2015701217A patent/MY169925A/en unknown
- 2013-11-29 CA CA2884389A patent/CA2884389C/en not_active Expired - Fee Related
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2021
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Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS54125197A (en) * | 1978-03-24 | 1979-09-28 | Berumeretsuku Denkiyoku Kk | Electrolytic electrode and its manufacture |
JPS5693883A (en) * | 1979-12-27 | 1981-07-29 | Permelec Electrode Ltd | Electrolytic apparatus using solid polymer electrolyte diaphragm and preparation thereof |
JPS6130690A (ja) * | 1984-06-27 | 1986-02-12 | ヴエ−・ツエ−・ヘレウス・ゲゼルシヤフト・ミツト・ベシユレンクタ−・ハフツング | 複合電極、その製法及び使用方法 |
JPH06330368A (ja) * | 1993-05-20 | 1994-11-29 | Permelec Electrode Ltd | 電解用電極 |
JPH07316874A (ja) * | 1994-05-24 | 1995-12-05 | Permelec Electrode Ltd | クロムめっき方法 |
US6210550B1 (en) * | 1998-10-01 | 2001-04-03 | De Nora S.P.A. | Anode with improved coating for oxygen evolution in electrolytes containing manganese |
WO2003100135A2 (en) * | 2002-05-24 | 2003-12-04 | De Nora Elettrodi S.P.A. | Electrode for gas evolution and method for its production |
US20070000774A1 (en) * | 2005-06-29 | 2007-01-04 | Oleh Weres | Electrode with surface comprising oxides of titanium and bismuth and water purification process using this electrode |
US20120125785A1 (en) * | 2009-07-28 | 2012-05-24 | Industrie De Nora S.P.A. | Cathode for Electrolytic Processes |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7168729B1 (ja) * | 2021-07-12 | 2022-11-09 | デノラ・ペルメレック株式会社 | 工業用電解プロセス用電極 |
WO2023286392A1 (ja) * | 2021-07-12 | 2023-01-19 | デノラ・ペルメレック株式会社 | 工業用電解プロセス用電極 |
Also Published As
Publication number | Publication date |
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EP2925910A1 (en) | 2015-10-07 |
HK1207892A1 (en) | 2016-02-12 |
EA201591039A1 (ru) | 2015-09-30 |
AR093388A1 (es) | 2015-06-03 |
TW201420813A (zh) | 2014-06-01 |
IL237859B (en) | 2018-03-29 |
EA029324B1 (ru) | 2018-03-30 |
ITMI20122035A1 (it) | 2014-05-30 |
AU2013351107B2 (en) | 2017-12-14 |
US20210324534A1 (en) | 2021-10-21 |
CA2884389C (en) | 2020-04-14 |
MX2015006559A (es) | 2015-08-05 |
BR112015012134A2 (pt) | 2017-07-11 |
BR112015012134B1 (pt) | 2021-06-01 |
KR102153882B1 (ko) | 2020-09-10 |
CA2884389A1 (en) | 2014-06-05 |
AU2013351107A1 (en) | 2015-04-02 |
BR112015012134A8 (pt) | 2018-05-08 |
TWI596236B (zh) | 2017-08-21 |
US11643746B2 (en) | 2023-05-09 |
KR20150089076A (ko) | 2015-08-04 |
WO2014083144A1 (en) | 2014-06-05 |
CN104755658B (zh) | 2017-03-29 |
US11098415B2 (en) | 2021-08-24 |
PL2925910T3 (pl) | 2017-02-28 |
JP6404226B2 (ja) | 2018-10-10 |
EP2925910B1 (en) | 2016-09-07 |
CN104755658A (zh) | 2015-07-01 |
US20150292106A1 (en) | 2015-10-15 |
MX362171B (es) | 2018-12-07 |
MY169925A (en) | 2019-06-17 |
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