WO2014100912A1 - 一种气体扩散电极及其制备方法 - Google Patents
一种气体扩散电极及其制备方法 Download PDFInfo
- Publication number
- WO2014100912A1 WO2014100912A1 PCT/CN2012/001722 CN2012001722W WO2014100912A1 WO 2014100912 A1 WO2014100912 A1 WO 2014100912A1 CN 2012001722 W CN2012001722 W CN 2012001722W WO 2014100912 A1 WO2014100912 A1 WO 2014100912A1
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- gas diffusion
- carbon black
- diffusion electrode
- layer
- gas
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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
-
- 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
- C25B11/032—Gas diffusion electrodes
-
- 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
- C25B11/042—Electrodes formed of a single material
- C25B11/043—Carbon, e.g. diamond or graphene
- C25B11/044—Impregnation of carbon
Definitions
- This application belongs to the field of chemical industry and, in particular, relates to a gas diffusion electrode suitable for use in the chlor-alkali industry and a preparation method thereof.
- the chlor-alkali industry is a basic chemical industry and plays an important role in promoting the development of the national economy. At the same time, the chlor-alkali industry is a high-energy industry, and minimizing the energy consumption of the chlor-alkali industry has always been a topic of concern to all countries.
- the conventional reaction method of the alkali method using an ion-exchange membrane using a hydrogen evolution electrode as a cathode is:
- the oxygen cathode has low mechanical strength and is difficult to install, which is difficult to meet the needs of large-scale industrial production;
- Japanese Patent Special Publication 2007-327092 uses AB-6 carbon black as hydrophobic carbon black and AB-12 carbon black as hydrophilic carbon black.
- the gas diffusion electrode was prepared by using silver powder as a catalyst, and a gas diffusion electrode with high water pressure resistance and slow degradation rate was obtained;
- ⁇ Patent No. 2004-300451 uses AB-6 carbon black as hydrophobic carbon black to be plated.
- Silver metal mesh as a catalyst layer, through the dispersion of hydrophobic carbon black and binder After the filtration and drying steps, the silver-plated metal mesh is hot-pressed to prepare a gas diffusion electrode with stable performance, but the electrode is difficult to meet the requirements of industrial production of large electrodes;
- CN1 01 736360A the use of a silver-plated nickel mesh as a support, the mechanical strength of the silver-plated nickel mesh placed on the body is weak, the electrode surface is prone to cracking during the production process, and it is difficult to demold during the hot pressing stage, and it is difficult to solve the problem. Realize the requirements of industrial production.
- the object of the present invention is to solve the problems of the prior art and to provide a simple and efficient gas diffusion electrode suitable for use in the chlor-alkali industry and a preparation method thereof.
- a gas diffusion electrode including a current collecting body, a gas diffusion layer, a gas catalytic layer coated on the gas diffusion layer, and a gas catalytic layer.
- the gas diffusion layer comprises high graphitization carbon black, polytetrafluoroethylene
- the gas catalytic layer comprises a catalyst, acidified high graphitization carbon black, polytetrafluoroethylene
- the degree of graphitization carbon black is a carbon black between the I D / I e peak intensity ratio of the Raman spectrum of 0.3 to 1.0, and the degree of graphitization of the gas diffusion layer and the gas catalytic layer may be the same or different.
- the thickness of the silver-plated foamed nickel metal silver plating layer is 0.1 - 20 ⁇ ⁇ ; the silver-plated foam metal may be the same or different.
- the mass ratio of the high degree of graphitization carbon black and the polytetrafluoroethylene in the gas diffusion layer is (0. 01 ⁇ 1): (0. 01 ⁇ 0.1).
- the mass ratio of the catalyst, the acidified high graphitization carbon black, and the polytetrafluoroethylene in the gas catalytic layer is (0.1 to 1): (0. 1 ⁇ 1 ): ( 0. 1 ⁇ 1 ).
- the silver-plated metal foam is selected from the group consisting of silver-plated foamed nickel, titanium, tungsten, cobalt or alloys thereof.
- the catalyst in the gas catalytic layer is selected from the group consisting of silver powder or silver/carbon composite catalyst, and preferably, the particle size of the catalyst is between
- the diffusion electrode is a gas diffusion electrode applied to the chlor-alkali industry.
- the gas diffusion layer is made of a material containing a high degree of graphitization carbon black, water, a Triton, a polytetrafluoroethylene emulsion, and an isopropanol during the preparation of the gas diffusion electrode.
- the mass ratio of the above raw materials is: (0. 01 - 1): (0. 1 - 1): (0. 01 - 0. 1) : 0. 01 ⁇ 0. 1) : 1.
- the gas catalytic layer is prepared from a gas diffusion electrode comprising a catalyst, an acidified high graphitization anthrax, water, a Triton, a polytetrafluoroethylene solution
- the raw material of isopropyl alcohol is prepared by using an aqueous solution of Triton as a dispersion medium, and the mass ratio of the above raw materials is: (0.1 to 1): (0.11 to 1): (1 to 10) ⁇ (0. 1 ⁇ 1 ): ( 0. 1 ⁇ 1 ): 1.
- the method for preparing a gas diffusion layer comprises the steps of: (1) dispersing a high degree of graphitization carbon black in a surfactant-containing curve In the aqueous solution of isopropanol, a gas diffusion layer slurry is obtained, and the slurry is ultrasonically sheared and dispersed for 10 to 200 minutes, and then added.
- the temperature of the gas diffusion layer slurry dispersion process is controlled between 10 ⁇ 100 ° C; in the gas diffusion layer slurry The average particle size after powder dispersion is controlled between 0.2 ⁇ 10 ⁇ ; the gas diffusion layer slurry is allowed to stand for 5 ⁇ 100h after dispersing; the solid content of the gas diffusion layer is controlled at 5 ⁇ 40 wt%; (2) the gas The diffusion layer slurry is uniformly applied to the silver-plated metal foam of the current collecting body; after the slurry of the gas diffusion layer is applied, it is dried at 40 to 12 (TC for 5 to 10 hours; after the gas diffusion layer slurry is applied and dried, The preliminary cold press forming treatment is carried out, the cold pressing pressure is G. l ⁇ 2 MPa, the temperature is controlled at -10 to 50 ° C, and the holding time is 10 to 300 s, and a
- the method for preparing the gas catalytic layer comprises the following steps: (1) dispersing the catalyst and the acidified graphitized carbon black on a surface containing In the aqueous solution of the active agent Triton in isopropanol, a catalyst layer slurry is obtained, and the slurry is ultrasonically shear-dispersed for 10 to 200 minutes, and then a polytetrafluoroethylene emulsion having a mass fraction of 40 to 80% is added to continue the shearing.
- the dispersion is 10 150 min; the temperature of the catalyst layer dispersion process is controlled between 10 and 100 ° C; the average particle size of the powder in the catalyst layer slurry is controlled between 0.2 and ⁇ ; (2) the catalyst The layer slurry is smeared on the gas diffusion layer of the current collector and the gas diffusion layer assembly; after the slurry of the catalyst layer is applied, it is dried at 40 ⁇ 12 (TC for 0.5 ⁇ lh; the catalyst layer is applied and dried) After the treatment, the assembly is subjected to a secondary cold press forming process, the cold pressing pressure is 0.1 to 2 MPa, the temperature is controlled at -10 to 50 ° C, and the holding time is 10 to 300 s, and a preliminary formed gas diffusion electrode is obtained; gas Powder electrode baking temperature, the baking temperature is controlled at 270 ⁇ 290 ° C, bake Baking time l ⁇ 20h; The liquid phase guiding layer silver-plated foam metal is placed on the gas diffusion electrode which is initially formed after baking, and the hot pressing pressure is controlled at
- the silver-plated metal foam is prepared by plating silver on a metal foam by electroplating, electroless plating, or displacement plating.
- the catalyst used in the present invention comprises a silver powder or a silver/carbon composite catalyst (the preparation of which can be referred to CN 101745390 A), and the silver/carbon composite catalysts mentioned hereinafter are all the catalysts prepared in the publication CN 101745390A.
- the invention disperses carbon black with high degree of graphitization in an aqueous solution of isopropanol containing a certain surfactant, and obtains a uniformly dispersed gas diffusion layer slurry by ultrasonic shear dispersion and a standing process, and the gas diffusion layer slurry is obtained. They are all smeared on the silver-plated foam metal. After drying, the gas diffusion layer is obtained by cold pressing.
- the gas diffusion layer not only has good electrical conductivity, gas permeability, but also excellent water pressure resistance;
- the acidified high graphitization carbon black is dispersed in an aqueous solution of isopropyl alcohol containing a certain surfactant, and is dispersed by ultrasonic shearing to obtain a dispersed catalyst layer slurry, and the catalyst layer slurry is smeared on the gas diffusion layer. After drying, cold pressing is performed to obtain a gas diffusion electrode which is initially formed.
- the catalyst layer obtained by the method not only has the proper hydrophobic and hydrophobic ability, but also facilitates the gas-liquid-solid three-phase reaction, and has the ability to reduce the hydrogen peroxide side reaction and the resistance to etching, thereby facilitating the long-term electrode.
- the operation is fixed.
- By uniformly baking the initially formed gas diffusion electrode to completely remove the surfactant remaining inside the electrode, thereby facilitating the uniformity of the pore structure in the hot press forming stage; by placing the silver plated foam metal in the hot pressing stage Hot pressing on the surface of the catalyst layer to form a gas diffusion electrode with a sandwich structure is not only advantageous for the three-phase reaction in the catalytic process, but also the silver-plated metal foam can improve the electrocatalytic ability of the electrode under an alkaline solution and the electrode itself.
- Mechanical strength. Therefore, the gas diffusion electrode provided by the invention has good corrosion resistance and electrical conductivity in an alkaline solution, and is stable in operation, and is suitable for an electrolytic reaction in the chlor-alkali industry.
- Figure 1 is a schematic view showing the structure of a gas diffusion electrode provided by the present invention, wherein 1 is a current collector,
- 2 is a diffusion layer
- 3 is a catalytic layer
- 4 is a liquid phase conductivity layer.
- Figure 2 is a Raman spectrum of a high graphitization carbon black in a gas diffusion layer provided by the present invention.
- Figure 3 The catalyst is the result of a rotating ring test of silver powder in an alkaline solution.
- Fig. 4 shows the actual electrolysis test data of the gas diffusion electrode electrolyzer prepared in Example 1 and Comparative Example 1.
- the high graphitization carbon black used is obtained by carbon black (Vu l can XC-72) obtained in a high temperature graphitization furnace at 270 (TC graphitization for 6 ⁇ 10 h, and the degree of graphitization is measured by Raman spectroscopy). As shown in Fig. 2, the Raman spectrum is ⁇ ./: ⁇ is 0.67, and the silver-plated foamed nickel is used. Prepared by plating method, foamed nickel is purchased from Heze Tianyu Technology Development Co., Ltd., acidified high graphitization carbon black is condensed and refluxed in graphitized carbon black at 12 (TC in a solution of nitric acid (mass fraction 68%) 6 ⁇ 10 h obtained.
- the catalyst layer slurry is uniformly applied to the gas diffusion layer of the combination of the current collecting body 1 and the gas diffusion layer 2, and after drying, it is subjected to secondary cold pressing forming treatment, and the cold pressing pressure is 0.1. - 2MPa, the temperature is controlled at room temperature, the holding time is 30s, and the gas diffusion electrode is formed.
- the test results of the rotating ring of the catalyst silver powder in the alkaline solution are shown in Fig. 3. It can be found that the electrocatalytic mechanism is close to Four-electron reaction;
- the preliminary formed gas diffusion electrode obtained in the above step is baked at a high temperature, the baking temperature is controlled at 290 ° C, and the baking time is 2 h; 4) The silver-plated foamed nickel of the guide layer is placed on the gas diffusion electrode which is initially formed after baking, and the hot pressing pressure is controlled at 5-8 MPa, the hot pressing temperature is 360 ° C, and the holding time is 60 s; Diffusion electrode.
- the actual electrolysis test data of the obtained gas diffusion electrode electrolyzer is shown in Fig. 4.
- the electrode exhibits good corrosion resistance, excellent electrochemical performance and stability in an alkaline solution, and is suitable for electrolysis reaction in the chlor-alkali industry.
- the high graphitization carbon black used is obtained by graphitizing carbon black (Vulcan XC-72) at 2600 ° C for 2 ⁇ 15 h, the Raman spectrum I D e is 0.7 ⁇ 1.0, and the silver-plated foamed nickel is electroplated.
- foam nickel is purchased from Heze Tianyu Technology Development Co., Ltd.
- acidified high graphitization carbon black is obtained by condensing and refluxing graphitized carbon black at 14CTC in a solution of nitric acid (68% by mass) for 6-10 hours. .
- the preliminary formed gas diffusion electrode obtained in the above step is baked at a high temperature, and the baking temperature is controlled at 280 ° C, and the baking time is 4 h;
- the silver-plated foamed nickel of the guide layer is placed on the gas diffusion electrode which is initially formed after baking, and the hot pressing pressure is controlled at 2 to 5 MPa, the hot pressing temperature is 370 ° C, and the holding time is 180 s; Diffusion electrode.
- the high graphitization carbon black used is obtained by graphitizing carbon black (Vulcan XC-72) in a high temperature graphitization furnace at 2900 for 2 ⁇ 15h, the Raman spectrum is 0.3-0.6, and the silver-plated foam nickel is electroplated.
- foamed nickel is purchased from Heze Tianyu Technology Development Co., Ltd., acidified high graphitization carbon black is condensed and refluxed in graphitized carbon black at 16 (TC in a solution of nitric acid (68% mass fraction) for 6 ⁇ 10h 1)
- TC a solution of nitric acid (68% mass fraction) for 6 ⁇ 10h 1
- the catalytic layer slurry is smeared on the gas diffusion layer of the combination of the current collecting body 1 and the gas diffusion layer 2, and after drying,
- the second cold press forming treatment is performed, the cold pressing pressure is 1.5 - 2 MPa, the temperature is controlled at room temperature, and the holding time is 30 s, and a preliminary formed gas diffusion electrode is obtained;
- the preliminary shaped gas diffusion electrode obtained in the above step is placed in an oven for baking, and the baking temperature is controlled at 27 (TC, baking time 6 h;
- the silver-plated foamed nickel of the guide layer is placed on the gas diffusion electrode which is initially formed after baking, and the hot pressing pressure is controlled at 8 - 12 MPa, the hot pressing temperature is 35 G ° C, and the holding time is 30 s; Diffusion electrode.
- the high graphitization carbon black used is obtained by graphitizing carbon black (Vulcan XC-72) at 2700 ° C for 6-10 h in a high temperature graphitization furnace; the Raman spectrum for testing the degree of graphitization is shown in Fig. 2.
- the Raman spectrum is 0.67
- the silver-plated foamed nickel is prepared by electroplating
- the foamed nickel is purchased from Heze Tianyu Technology Development Co., Ltd.
- the acidified high graphitization carbon black is made of graphitized carbon black at 120 °C.
- Nitric acid mass fraction is 68%) Condensed in solution in a reflux of 6 ⁇ 1 Oh.
- the preliminary formed gas diffusion electrode obtained in the above step is baked at a high temperature, the baking temperature is controlled at 290 ° C, and the baking time is 2 h;
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Inert Electrodes (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
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Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/001722 WO2014100912A1 (zh) | 2012-12-24 | 2012-12-24 | 一种气体扩散电极及其制备方法 |
| JP2015548134A JP6128709B2 (ja) | 2012-12-24 | 2012-12-24 | ガス拡散電極及びその調製法 |
| CN201280074539.0A CN104603331B (zh) | 2012-12-24 | 2012-12-24 | 一种气体扩散电极及其制备方法 |
| EP12891307.6A EP2937449B1 (en) | 2012-12-24 | 2012-12-24 | Gas diffusion electrode and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/001722 WO2014100912A1 (zh) | 2012-12-24 | 2012-12-24 | 一种气体扩散电极及其制备方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014100912A1 true WO2014100912A1 (zh) | 2014-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2012/001722 Ceased WO2014100912A1 (zh) | 2012-12-24 | 2012-12-24 | 一种气体扩散电极及其制备方法 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2937449B1 (zh) |
| JP (1) | JP6128709B2 (zh) |
| CN (1) | CN104603331B (zh) |
| WO (1) | WO2014100912A1 (zh) |
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| CN113149142A (zh) * | 2020-01-22 | 2021-07-23 | 中国科学院大连化学物理研究所 | 气体扩散电极及其制备方法和应用 |
| CN113371799A (zh) * | 2021-06-22 | 2021-09-10 | 哈尔滨工业大学 | 基于单线态氧的电化学消毒方法 |
| CN115050974A (zh) * | 2022-07-21 | 2022-09-13 | 华东理工大学 | 气体扩散电极及其制备方法和应用、锌空气电池 |
| CN115478286A (zh) * | 2022-09-22 | 2022-12-16 | 盐城工学院 | 一种气体扩散电极及其制备方法 |
| CN116040751A (zh) * | 2021-10-28 | 2023-05-02 | 中国石油化工股份有限公司 | 一种改性氮掺杂炭电极及其制备方法和应用 |
| CN116334659A (zh) * | 2023-04-16 | 2023-06-27 | 深圳中科翎碳生物科技有限公司 | Sn基气体扩散电极、制备方法、相应电催化装置及应用 |
| CN117004975A (zh) * | 2022-04-29 | 2023-11-07 | 上海科技大学 | 一种气体扩散电极及其制备方法和应用 |
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| CN106894042B (zh) * | 2017-02-28 | 2018-08-17 | 天津大学 | 一种酸处理石墨颗粒电极的制备及应用 |
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| CN111893502A (zh) * | 2020-07-31 | 2020-11-06 | 北京化工大学 | 一种用非贵金属催化的气体扩散电极电解制备高铁酸盐的方法 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0014896A1 (en) * | 1979-02-27 | 1980-09-03 | Asahi Glass Company Ltd. | Gas diffusion electrode |
| JP2004300451A (ja) | 2003-03-28 | 2004-10-28 | Mitsui Chemicals Inc | ガス拡散電極、その製造方法、及び電解方法 |
| JP2007327092A (ja) | 2006-06-07 | 2007-12-20 | Permelec Electrode Ltd | ガス拡散電極とその製造方法 |
| CN101736360A (zh) | 2009-11-27 | 2010-06-16 | 北京化工大学 | 一种气体扩散电极及其制备方法 |
| CN101745390A (zh) | 2010-01-29 | 2010-06-23 | 北京化工大学 | 一种用于食盐电解的负载型银碳催化剂及其制备方法 |
| CN101774666A (zh) * | 2010-01-29 | 2010-07-14 | 北京化工大学 | 一种2-乙基蒽醌改性气体扩散电极及其制备方法 |
| CN102517602A (zh) * | 2011-12-29 | 2012-06-27 | 北京化工大学 | 一种气体扩散电极的明胶造孔方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3625520B2 (ja) * | 1995-04-13 | 2005-03-02 | ペルメレック電極株式会社 | ガス拡散電極 |
| JP3628756B2 (ja) * | 1995-04-28 | 2005-03-16 | ペルメレック電極株式会社 | ガス拡散電極 |
| JP3002974B2 (ja) * | 1998-05-20 | 2000-01-24 | 長一 古屋 | ガス拡散電極の製造方法 |
| JP2946328B1 (ja) * | 1998-08-25 | 1999-09-06 | 長一 古屋 | 食塩電解方法及び電解槽 |
| EP1029946A3 (en) * | 1999-02-16 | 2007-11-14 | Nagakazu Furuya | Gas diffusion electrode assemblies and process for producing the same |
| EP1076115A1 (en) * | 1999-02-25 | 2001-02-14 | Toagosei Co., Ltd. | Gas diffusion electrode and brine electrolytic bath |
| JP4715842B2 (ja) * | 2005-02-21 | 2011-07-06 | 日産自動車株式会社 | 電極触媒の製造方法、膜電極接合体の製造方法、および固体高分子型燃料電池の製造方法 |
| DE102005023615A1 (de) * | 2005-05-21 | 2006-11-23 | Bayer Materialscience Ag | Verfahren zur Herstellung von Gasdiffusionselektroden |
| JP5222056B2 (ja) * | 2008-07-29 | 2013-06-26 | 三菱重工業株式会社 | 料金収受機、料金収受方法及びプログラム |
| CA2782274A1 (en) * | 2009-12-09 | 2011-06-16 | Nisshinbo Holdings Inc. | Flexible carbon fiber nonwoven fabric |
| JP5648785B2 (ja) * | 2010-07-29 | 2015-01-07 | 日清紡ホールディングス株式会社 | 燃料電池用電極 |
-
2012
- 2012-12-24 JP JP2015548134A patent/JP6128709B2/ja active Active
- 2012-12-24 CN CN201280074539.0A patent/CN104603331B/zh active Active
- 2012-12-24 WO PCT/CN2012/001722 patent/WO2014100912A1/zh not_active Ceased
- 2012-12-24 EP EP12891307.6A patent/EP2937449B1/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0014896A1 (en) * | 1979-02-27 | 1980-09-03 | Asahi Glass Company Ltd. | Gas diffusion electrode |
| JP2004300451A (ja) | 2003-03-28 | 2004-10-28 | Mitsui Chemicals Inc | ガス拡散電極、その製造方法、及び電解方法 |
| JP2007327092A (ja) | 2006-06-07 | 2007-12-20 | Permelec Electrode Ltd | ガス拡散電極とその製造方法 |
| CN101736360A (zh) | 2009-11-27 | 2010-06-16 | 北京化工大学 | 一种气体扩散电极及其制备方法 |
| CN101745390A (zh) | 2010-01-29 | 2010-06-23 | 北京化工大学 | 一种用于食盐电解的负载型银碳催化剂及其制备方法 |
| CN101774666A (zh) * | 2010-01-29 | 2010-07-14 | 北京化工大学 | 一种2-乙基蒽醌改性气体扩散电极及其制备方法 |
| CN102517602A (zh) * | 2011-12-29 | 2012-06-27 | 北京化工大学 | 一种气体扩散电极的明胶造孔方法 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP2937449A4 |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113149142A (zh) * | 2020-01-22 | 2021-07-23 | 中国科学院大连化学物理研究所 | 气体扩散电极及其制备方法和应用 |
| CN113371799A (zh) * | 2021-06-22 | 2021-09-10 | 哈尔滨工业大学 | 基于单线态氧的电化学消毒方法 |
| CN113371799B (zh) * | 2021-06-22 | 2022-10-04 | 哈尔滨工业大学 | 基于单线态氧的电化学消毒方法 |
| CN116040751A (zh) * | 2021-10-28 | 2023-05-02 | 中国石油化工股份有限公司 | 一种改性氮掺杂炭电极及其制备方法和应用 |
| CN117004975A (zh) * | 2022-04-29 | 2023-11-07 | 上海科技大学 | 一种气体扩散电极及其制备方法和应用 |
| CN115050974A (zh) * | 2022-07-21 | 2022-09-13 | 华东理工大学 | 气体扩散电极及其制备方法和应用、锌空气电池 |
| CN115478286A (zh) * | 2022-09-22 | 2022-12-16 | 盐城工学院 | 一种气体扩散电极及其制备方法 |
| CN116334659A (zh) * | 2023-04-16 | 2023-06-27 | 深圳中科翎碳生物科技有限公司 | Sn基气体扩散电极、制备方法、相应电催化装置及应用 |
| CN116334659B (zh) * | 2023-04-16 | 2024-06-21 | 深圳中科翎碳生物科技有限公司 | Sn基气体扩散电极、制备方法、相应电催化装置及应用 |
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| Publication number | Publication date |
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| CN104603331A (zh) | 2015-05-06 |
| CN104603331B (zh) | 2017-04-05 |
| EP2937449A4 (en) | 2016-08-17 |
| JP2016505716A (ja) | 2016-02-25 |
| JP6128709B2 (ja) | 2017-05-17 |
| EP2937449B1 (en) | 2017-07-12 |
| EP2937449A1 (en) | 2015-10-28 |
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