JP2012077381A - 輸送および貯蔵安定性酸素消費電極の製造方法 - Google Patents
輸送および貯蔵安定性酸素消費電極の製造方法 Download PDFInfo
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- JP2012077381A JP2012077381A JP2011219731A JP2011219731A JP2012077381A JP 2012077381 A JP2012077381 A JP 2012077381A JP 2011219731 A JP2011219731 A JP 2011219731A JP 2011219731 A JP2011219731 A JP 2011219731A JP 2012077381 A JP2012077381 A JP 2012077381A
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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
- C25B1/01—Products
- C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
- C25B1/46—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells
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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
- C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
- C25B11/03—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
- C25B11/031—Porous electrodes
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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
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
- H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
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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
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/08—Hybrid cells; Manufacture thereof composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
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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
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
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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
- H01M8/08—Fuel cells with aqueous electrolytes
- H01M8/083—Alkaline 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
- 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
- Y02E60/10—Energy storage using batteries
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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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Inert Electrodes (AREA)
- Hybrid Cells (AREA)
- Fuel Cell (AREA)
Abstract
【解決手段】前記方法は、導電性支持体、ガス拡散層および銀系触媒を含む層を供給する工程、前記支持体を、酸化銀含有中間体で被覆する工程、および前記酸化銀含有中間体を、水性電解液中で8未満のpHにて少なくとも部分的に電気化学的還元する工程を含む。
【選択図】なし
Description
Claims (20)
- 輸送安定性および貯蔵安定性シート状酸素消費電極の製造方法であって、
導電性支持体、ガス拡散層および銀系触媒を含む層を供給する工程、
前記支持体を、酸化銀含有中間体で被覆する工程、および
前記酸化銀含有中間体を、水性電解液中で8未満のpHにて少なくとも部分的に電気化学的還元する工程
を含む、方法。 - 電解液は、アルカリ金属またはアルカリ土類金属群からの元素または銀のイオンを含む、請求項1に記載の方法。
- 電解液は、銀イオンを含む、請求項2に記載の方法。
- 電解液は、硫酸イオンおよび/または硝酸イオンを含む、請求項1に記載の方法。
- 電解液は、1000ppm以下の塩化物を含む、請求項1に記載の方法。
- 電解液は、20ppm以下の塩化物を含む、請求項1に記載の方法。
- 還元は、0.1〜10kA/m2の電流密度にて行う、請求項1に記載の方法。
- 酸化銀の還元を、50%を越える程度にまで生じさせる、請求項1に記載の方法。
- 酸化銀の還元を、完全に生じさせる、請求項1に記載の方法。
- 電解液は、少なくとも0.01mol/Lの金属カチオンの濃度を有する、請求項1に記載の方法。
- 電解液は、0.01mol/L〜2mol/Lの金属カチオンの濃度を有する、請求項1に記載の方法。
- 電気化学還元は、3〜8のpHにて行う、請求項1に記載の方法。
- 電気化学還元は、4〜7のpHにて行う、請求項1に記載の方法。
- 電気化学還元は、10〜95℃の温度にて行う、請求項1に記載の方法。
- 電気化学還元は、15℃〜50℃の温度にて行う、請求項1に記載の方法。
- ガス拡散層および触媒含有層を、単一層により形成させる、請求項1に記載の方法。
- ガス拡散層および触媒含有層を、少なくとも2つの異なった層により形成させる、請求項1に記載の方法。
- 請求項1に記載の方法により製造した酸素消費電極を含む、電解、特にクロルアルカリ電解のための酸素消費カソード。
- 請求項1に記載の方法により製造した酸素消費電極を含む、燃料電池における電極または金属/空気電池における電極。
- 酸素消費カソードとして請求項1に記載の方法により製造した酸素消費電極を含む、特にクロルアルカリ電解のための電解装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010042004.2 | 2010-10-05 | ||
DE102010042004A DE102010042004A1 (de) | 2010-10-05 | 2010-10-05 | Verfahren zur Herstellung von transport- und lagerstabilen Sauerstoffverzehrelektroden |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2012077381A true JP2012077381A (ja) | 2012-04-19 |
Family
ID=44799696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011219731A Pending JP2012077381A (ja) | 2010-10-05 | 2011-10-04 | 輸送および貯蔵安定性酸素消費電極の製造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20120082906A1 (ja) |
EP (1) | EP2439314A3 (ja) |
JP (1) | JP2012077381A (ja) |
CN (1) | CN102443819A (ja) |
DE (1) | DE102010042004A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PE20141014A1 (es) | 2011-08-09 | 2014-08-17 | Bayer Ip Gmbh | Procedimiento para el refuerzo de una unidad de construccion |
DE102013213740A1 (de) * | 2013-07-12 | 2015-01-15 | Bayer Materialscience Ag | Verfahren zur Herstellung von transport- und lagerstabilen Sauerstoffverzehrelektroden |
DE102014204372A1 (de) * | 2014-03-11 | 2015-09-17 | Bayer Materialscience Ag | Verfahren zur Herstellung von katalytisch aktiven Pulvern aus metallischem Silber oder aus Mischungen aus von metallischem Silber mit Silberoxid zur Herstellung von Gasdiffusionselektroden |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1771179A1 (de) * | 1968-04-17 | 1971-12-30 | Bosch Gmbh Robert | Verfahren zur Herstellung von selbstatmenden,hydrophoben Gaselektroden fuer Metall-Luft-Batterien und Brennstoffzellen |
DE1905372A1 (de) * | 1969-02-04 | 1970-08-06 | Siemens Ag | Verfahren zur Herstellung von poroesen silberhaltigen Elektroden |
US4377496A (en) * | 1981-05-04 | 1983-03-22 | Diamond Shamrock Corporation | Gas diffusion electrode and process |
DE3710168A1 (de) | 1987-03-27 | 1988-10-13 | Varta Batterie | Verfahren zur herstellung einer kunststoffgebundenen gasdiffusionselektrode mit metallischen elektrokatalysatoren |
US4913782A (en) * | 1987-09-18 | 1990-04-03 | Gould Inc. | Microporous elemental silver article and method |
US4913781A (en) * | 1987-09-18 | 1990-04-03 | Gould Inc. | Microporous elemental silver and method |
EP1076115A1 (en) * | 1999-02-25 | 2001-02-14 | Toagosei Co., Ltd. | Gas diffusion electrode and brine electrolytic bath |
US7141147B2 (en) * | 2001-06-15 | 2006-11-28 | Akzo Nobel N.V. | Electrolytic cell |
DE10148599A1 (de) * | 2001-10-02 | 2003-04-10 | Bayer Ag | Verfahren zur Herstellung von Gasdiffusionselektroden aus trockenen Pulvermischungen mittels Walzen |
DE10157521A1 (de) * | 2001-11-23 | 2003-06-05 | Bayer Ag | Behandlung der Walzen bei der Herstellung von Gasdiffusionselektroden |
DE102005023615A1 (de) * | 2005-05-21 | 2006-11-23 | Bayer Materialscience Ag | Verfahren zur Herstellung von Gasdiffusionselektroden |
-
2010
- 2010-10-05 DE DE102010042004A patent/DE102010042004A1/de not_active Withdrawn
-
2011
- 2011-09-30 CN CN2011102929536A patent/CN102443819A/zh active Pending
- 2011-10-03 US US13/251,328 patent/US20120082906A1/en not_active Abandoned
- 2011-10-04 EP EP11183793.6A patent/EP2439314A3/de not_active Withdrawn
- 2011-10-04 JP JP2011219731A patent/JP2012077381A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US20120082906A1 (en) | 2012-04-05 |
EP2439314A3 (de) | 2014-04-30 |
CN102443819A (zh) | 2012-05-09 |
EP2439314A2 (de) | 2012-04-11 |
DE102010042004A1 (de) | 2012-04-05 |
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