CN104759272A - Membrane electrode of membrane electrode low-voltage electrolysis type ozone generator and manufacturing method for positive and negative electrodes of membrane electrode low-voltage electrolysis type ozone generator - Google Patents
Membrane electrode of membrane electrode low-voltage electrolysis type ozone generator and manufacturing method for positive and negative electrodes of membrane electrode low-voltage electrolysis type ozone generator Download PDFInfo
- Publication number
- CN104759272A CN104759272A CN201410747989.2A CN201410747989A CN104759272A CN 104759272 A CN104759272 A CN 104759272A CN 201410747989 A CN201410747989 A CN 201410747989A CN 104759272 A CN104759272 A CN 104759272A
- Authority
- CN
- China
- Prior art keywords
- membrane electrode
- porous titanium
- titanium plate
- ozone generator
- boron
- 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.)
- Granted
Links
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
Abstract
The invention relates to membrane electrodes of electrolysis type ozone generators and provides a membrane electrode of a membrane electrode low-voltage electrolysis type ozone generator and a manufacturing method for the positive and negative electrodes of the membrane electrode low-voltage electrolysis type ozone generator. According to the invention, boron-doped diamond with high electrocatalytic activity, high corrosion resistance and no secondary pollution is used as a positive electrode catalyst; then the boron-doped diamond is directly deposited on a porous titanium plate by using a vapor deposition method; and the porous titanium with the deposited boron-doped diamond and a polymer proton exchange membrane are subjected to hot pressing so as to form a positive electrode structure in which the porous titanium, the positive electrode catalyst and the polymer proton exchange membrane are integrated into one. Compared with the prior art, the positive electrode structure prepared in the invention is simple to prepare and convenient to assembly and can be produced in batch; moreover, a boron-doped diamond film deposited on the surface of the porous titanium plate has a porous structure, so water permeation and air permeation performances are effectively improved, the phenomena like decrease of the performance of the catalyst and rise of groove pressure and temperature caused by unsmooth water permeation and air permeation are avoided, the service life of the membrane electrode is improved, and long-term stable operation of the membrane electrode electrolysis type ozone generator is guaranteed.
Description
Technical field
The present invention relates to electrolysis type ozone generator technical field, be specifically related to the membrane electrode of electrolysis ozone generator.
Background technology
Ozone is a kind of extremely strong oxidant; there is strong sterilizing effect and the ability of oxidative degradation organic pollution; and reacted product is the oxygen useful to human body; have no side effect, the advantage such as nontoxicity, non-secondary pollution, become more and more extensive in the application in the field such as advanced oxidation process, drinking water deep purification, environmental protection, food processing, medical treatment and nursing, preserving fruit and vegetable utilizing of waste water.
The method that ozone is produced in current existing market is mainly divided into corona discharge method, UV radiation and solid polymer membrane (PEM film) electrode low tension solution.Wherein, PEM membrane electrode low tension solution is that a kind of novel electrochemical method prepares ozone, compare with corona discharge method and UV radiation, the advantages such as the method has that the carcinogens such as high, the nonnitrogenous oxide of preparation concentration of ozone gas, preparation cost are low, membrane electrode long service life, equipment installation and maintenance are simple, become a kind of Ozone generation method of the most market competitiveness.
PEM membrane electrode is the core component of low-voltage electrolysis formula ozone generator.Current typical PEM membrane electrode assembly comprises POROUS TITANIUM PLATE, anode catalyst, cathod catalyst and solid polymer proton exchange membrane etc.Wherein, anode catalyst and anode construction (being made up of POROUS TITANIUM PLATE, anode catalyst and proton exchange polymer membrane) play a key effect to generator performance.
Electrochemistry formated ozone technology requires that anode catalyst material has good electro catalytic activity and corrosion resistance to ozone precipitation.Graphite, vitreous carbon, Pt metal once used anode material in the research of early stage electrochemistry formated ozone technology, but due to Pt metal electrode price too expensive; Easily be corroded and the shortcomings such as consumption in graphite and vitreous carbon use procedure, the low-voltage electrolysis formula ozone generator product on existing market adopts that electro catalytic activity is high usually, corrosion resistance is good, price brown lead oxide material is inexpensively as the anode catalyst of membrane electrode.
Anode construction is also the key factor affecting electrochemistry formated ozone efficiency.In current electrochemistry formated Ozonizer system, be that anode material is formed catalyst and membrane electrode assembly through being hot-pressed onto in solid polymer proton exchange membrane after batch mixing film-making, then form anode construction with POROUS TITANIUM PLATE (POROUS TITANIUM PLATE plays the effect of water conservancy diversion, conduction and support catalyst) by mechanical compaction.Being separated with tradition is compared with electrode, and this membrane electrode integrated technology has that equipment is simple, volume is little, current efficiency is high, low power consumption and other advantages.
Although PEM anode catalyst that membrane electrode adopts and the anode construction of above-mentioned low-voltage electrolysis formula ozone generator have many advantages in electrochemistry formated ozone performance, but also there is the shortcoming that can not be ignored: on the one hand, brown lead oxide is as anode catalyst, no matter from the raw-material preparation link of brown lead oxide, brown lead oxide diaphragm process or in electrochemistry formated ozone process, toxic Pb ions in fact all cannot be avoided to cause secondary pollution to environment; On the other hand, at present adopt the relative very complicated of anode construction preparation process, be not easy to ensure product quality, and in running, catalyst easily blocks POROUS TITANIUM PLATE, cause water, gas to circulate smooth, superpressure raises, and reduces membrane electrode service life.The shortcoming of these two aspects all will hinder business promotion and the practical application of PEM membrane electrode low-voltage electrolysis ozone generator product.
Summary of the invention
The object of the present invention is to provide a kind of anode catalyst of membrane electrode low-voltage electrolysis formula ozone generator.
The present invention also aims to the anode construction that a kind of membrane electrode low-voltage electrolysis formula ozone generator is provided.
The present invention also aims to the anode fabrication method that a kind of membrane electrode low-voltage electrolysis formula ozone generator is provided.
The present invention also aims to the membrane electrode that a kind of membrane electrode low-voltage electrolysis formula ozone generator is provided.
The present invention can realize for achieving the above object by the following technical solutions:
An anode catalyst for membrane electrode low-voltage electrolysis formula ozone generator, is characterized in that, adopts boron-doped diamond material as the anode catalyst of low-voltage electrolysis ozone generator membrane electrode.Boron-doped diamond not only has very strong mechanical strength, chemical inertness, heat endurance and corrosion resistance, there is wider electrochemical window simultaneously, yield of ozone can be improved further, and no matter be also mounted in ozone generator from the preparation of its raw material and run, boron carbon does not have toxicity to environment, can not produce secondary pollution to environment.Therefore, boron-doped diamond belongs to environmental type anode catalyst.
A kind of anode construction of membrane electrode low-voltage electrolysis formula ozone generator, comprise a proton exchange polymer membrane, it is characterized in that, described proton exchange polymer membrane compresses the POROUS TITANIUM PLATE having to deposit anode catalyst, form the anode construction of described membrane electrode low-voltage electrolysis formula ozone generator.
Described anode catalyst, is characterized in that, adopt boron-doped diamond material to be deposited directly in POROUS TITANIUM PLATE, the boron-doped diamond Catalytic Layer that described boron-doped diamond deposition of material is formed has loose structure.
Described POROUS TITANIUM PLATE is provided with a plurality of hole, and preferably, the porosity of POROUS TITANIUM PLATE is preferably 30-45%, and aperture is preferably 15-48 μm.Preferably average grain diameter is 25 μm further, is of a size of 30mm × 30mm square sheet POROUS TITANIUM PLATE.Described boron-doped diamond deposition of material is in the hole of the lower surface of described POROUS TITANIUM PLATE and the bottom of described POROUS TITANIUM PLATE.
A kind of anode fabrication method of membrane electrode low-voltage electrolysis formula ozone generator, it is characterized in that, by chemical vapour deposition technique, anode catalyst is deposited directly in POROUS TITANIUM PLATE, form the membrane electrode anode construction integrating POROUS TITANIUM PLATE, anode catalyst and proton exchange polymer membrane again with proton exchange polymer membrane hot pressing, described anode catalyst adopts boron-doped diamond material.This structure is completely free of and existing is prepared abrasive dust involved by ozone generator membrane electrode anode construction, bonds, rolls the complex techniques process such as sheet and hot pressing, and manufacture craft is simple, easy to assembly, is conducive to batch production.And, due to the loose structure of titanium plate, deposit its on the surface Boron-doped diamond also present loose structure, the anode catalyst film of this loose structure can effectively improve permeable, permeability, avoid because water-permeable and air permeable does not freely cause the decline of catalyst performance, groove pressure and the phenomenon such as temperature rising, improve membrane electrode service life, ensure that membrane electrode electrolysis ozone generator can steady in a long-termly run.
A kind of anode fabrication method of membrane electrode low-voltage electrolysis formula ozone generator is as follows:
Step one, pre-treatment is carried out to POROUS TITANIUM PLATE: first soak with potassium hydroxide, tertiary sodium phosphate and edta solution and carry out oil removing degreasing, acid etch is carried out to remove POROUS TITANIUM PLATE surface and the oxide-film of its apparent gap with aqueous sulfuric acid after deionized water rinsing, thus build alligatoring, active matrix surface.
Before step one, first POROUS TITANIUM PLATE can also be cut into the size that the anode construction that meets existing low-voltage electrolysis formula ozone generator membrane electrode requires.The POROUS TITANIUM PLATE porosity ranges chosen requires that aperture is 15-48 μm for 30-45%.
Step 2, grinds the POROUS TITANIUM PLATE processed through step one with bortz powder, then Ultrasonic Cleaning in acetone soln and deionized water solution successively, then dries up with nitrogen that to put into Dewar bottle stand-by.This step is for subsequent chemistry vapor diamond deposition provides favourable forming core point, has the diamond nucleation density and the effect of raising deposition film quality that increase POROUS TITANIUM PLATE surface.Bortz powder particle diameter is preferably less than 5 μm.
Step 3, utilizes heated filament auxiliary chemical vapor deposition method at the uniform anode catalyst of POROUS TITANIUM PLATE surface deposition one deck through step 2 process, and described anode catalyst adopts boron-doped diamond material.Reactant gas source is methane, hydrogen and borine.Wherein, methane is carbon source, and borine is boron source, and hydrogen is as the carrier of methane and borine source of the gas.In enforcement vapor deposition processes, being controlled the incorporation of boron in diamond thin by the atomic ratio (B/C) changing boron and carbon in source of the gas, regulating and controlling Catalytic Layer film thickness by controlling sedimentation time.
Step 4, the side adopting hot press POROUS TITANIUM PLATE to be coated with boron-doped diamond material compresses with proton exchange polymer membrane hot pressing and combines, and obtains anode construction.
In step 4, by proton exchange polymer membrane with the POROUS TITANIUM PLATE mechanical hot pressing being coated with Boron-doped diamond before, also need to use sand paper to carry out roughening treatment to its surface, to improve Boron-doped diamond with rete in conjunction with effect.
A membrane electrode for membrane electrode low-voltage electrolysis formula ozone generator, is made up of an anode construction and a cathode construction;
Described anode construction comprises a proton exchange polymer membrane, described proton exchange polymer membrane compresses the POROUS TITANIUM PLATE having to deposit anode catalyst, forms a kind of anode construction of membrane electrode low-voltage electrolysis formula ozone generator.Described anode catalyst adopts boron-doped diamond material, and described cathode construction comprises a carbon and carries platinum cathode catalyst diaphragm.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of membrane electrode of the present invention;
Fig. 2 be adopt the electrolysis type ozone generator of the electrolysis type ozone generator of anode construction of the present invention and prior art in running yield of ozone (mg/h) with prolongation (24 hours running times of the every day time cycle of operation, by hour in units of, h) variation diagram.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, setting forth the present invention further below in conjunction with concrete diagram.
With reference to Fig. 1, the present invention adopts that electro catalytic activity is high, corrosion resistance is high, the boron-doped diamond of non-secondary pollution is as anode catalyst, further, utilize vapour deposition process to be deposited directly in POROUS TITANIUM PLATE by boron-doped diamond, and be hot pressed into proton exchange polymer membrane the anode construction integrating POROUS TITANIUM PLATE, anode catalyst and proton exchange polymer membrane.Compared with prior art, this anode construction not only preparation technology is simple, easy to assembly, be conducive to batch production, and the Boron-doped diamond being deposited on POROUS TITANIUM PLATE surface has loose structure, effectively improve permeable, permeability, avoid freely not causing the phenomenons such as the decline of catalyst performance, groove pressure and temperature rising due to water-permeable and air permeable, improve membrane electrode service life, ensure that membrane electrode electrolysis ozone generator can steady in a long-termly run.
Specific embodiment is as follows:
To choose average grain diameter be the POROUS TITANIUM PLATE of 25 μm is research matrix, and it cuts into and is of a size of 30mm × 30mm square sheets.
Above-mentioned POROUS TITANIUM PLATE base material is put into the aqueous solution be made up of potassium hydroxide, tertiary sodium phosphate and ethylenediamine tetra-acetic acid, soak at 50-60 DEG C and remove surperficial grease in 5 minutes, and utilize 20% aqueous sulfuric acid to carry out within acid etch 5-8 minute, obtaining the fresh matrix surface that surface has certain roughness to POROUS TITANIUM PLATE at 50-60 DEG C.
Carry out milled processed to above-mentioned POROUS TITANIUM PLATE sill surface, employing particle diameter is that the diamond paste of 2.5 μm grinds 2-5 minute on polished machine, and speed of grinding plate is 300r/h.Successively at acetone soln and remove ultrasonic cleaning 5-10 minute in dried up solution after grinding, and dry up with nitrogen that to put into Dewar bottle stand-by.
Utilize heated filament auxiliary chemical vapor deposition method at above-mentioned POROUS TITANIUM PLATE substrate surface deposition Boron-doped diamond.In chemical vapor deposition processes, be strict with methane and hydrogen volume than for 1:99 and borine and hydrogen volume are than being 2:98, and atomic ratio (B/C) volume ratio controlling boron and carbon is in the present embodiment 2.5%.Reaction temperature is 800 DEG C, chamber pressure 5kPa, and sedimentation time is 6 hours.To obtain Boron-doped diamond average thickness be 6 μm.By above-mentioned steps, prepare a kind of porous type Boron-doped diamond that to be deposited directly in POROUS TITANIUM PLATE as the anode catalyst of low-voltage electrolysis formula ozone generator.
Adopt hot press that above-mentioned POROUS TITANIUM PLATE is coated with Boron-doped diamond side and proton exchange polymer membrane hot pressing, hot pressing temperature is 80-100 DEG C, and hot pressing time is 5-10 minute.For ensureing that Boron-doped diamond and proton exchange polymer membrane bond in good condition, before hot pressing, adopt 1500 or No. 2000 sand paper to carry out roughening treatment to proton exchange polymer membrane surface, and utilize nozzle to a small amount of Nafion solution of Boron-doped diamond surface coating on POROUS TITANIUM PLATE surface.By above-mentioned steps, preparing a kind of take Boron-doped diamond as the anode construction of the novel membrane electrode of anode catalyst.
By above-mentioned novel boron-doped diamond membrane electrode anode construction, carry platinum cathode catalyst diaphragm with carbon, be assembled into complete membrane electrode, as shown in Figure 1.A membrane electrode for membrane electrode low-voltage electrolysis formula ozone generator, is made up of an anode construction and a cathode construction; Anode construction comprises a proton exchange polymer membrane 1, and proton exchange polymer membrane 1 compresses the POROUS TITANIUM PLATE 3 having to deposit anode catalyst 2, anode catalyst 2 adopts boron-doped diamond material; Anode catalyst layer has loose structure, and cathode construction comprises a carbon and carries platinum cathode catalyst diaphragm 4.POROUS TITANIUM PLATE 3 is provided with a plurality of hole, and boron-doped diamond deposition of material is in the hole of the lower surface of POROUS TITANIUM PLATE and the bottom of POROUS TITANIUM PLATE; The porosity of POROUS TITANIUM PLATE is 30-45%, and aperture is 15-48 μm.
This membrane electrode is installed in ozone generator, put on constant-current supply trial run, and test this membrane electrode ozone generator gas generation property having Novel boron doped diamond anode construction, and compare with the existing membrane electrode ozone generator performance forming anode construction by brown lead oxide under same service condition.Gas generation property comparative result is as follows:
As can be seen from Figure 2, ozone generator gas generation property of the present invention is obviously better than the gas generation property of the ozone generator of prior art.Within 3 first quarter moon trial run cycles by a definite date, the yield of ozone of the ozone generator of prior art presents attenuation trend, along with the cycle of operation extends, 300-400mg/h is decayed to from initial stage higher 600-700mg/h, and the not significant decay of performance within the whole trial run cycle of the yield of ozone of ozone generator of the present invention, and remain essentially within the scope of 700-800mg/h.This result not only illustrates that membrane electrode anode catalyst of the present invention can improve ozone output further, but also illustrate that the porous type membrane electrode anode construction that has that constructs of the present invention has good structural stability, ozone generator also can be kept relative stability aerogenesis yield efficiency in long-play situation.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (14)
1. an anode catalyst for membrane electrode low-voltage electrolysis formula ozone generator, is characterized in that, adopts boron-doped diamond material as the anode catalyst of low-voltage electrolysis ozone generator membrane electrode.
2. the anode construction of a membrane electrode low-voltage electrolysis formula ozone generator, comprise a proton exchange polymer membrane, it is characterized in that, described proton exchange polymer membrane compresses the POROUS TITANIUM PLATE having to deposit anode catalyst, form the anode construction of described membrane electrode low-voltage electrolysis formula ozone generator.
3. anode catalyst according to claim 2, is characterized in that, adopt boron-doped diamond material to be deposited directly in POROUS TITANIUM PLATE, the boron-doped diamond Catalytic Layer that described boron-doped diamond deposition of material is formed has loose structure.
4. the anode construction of a kind of membrane electrode low-voltage electrolysis formula ozone generator according to claim 2, it is characterized in that, described POROUS TITANIUM PLATE is provided with a plurality of hole, and described boron-doped diamond deposition of material is in the hole of the lower surface of described POROUS TITANIUM PLATE and the bottom of described POROUS TITANIUM PLATE.
5. the anode construction of a kind of membrane electrode low-voltage electrolysis formula ozone generator according to claim 3, it is characterized in that, the porosity of described POROUS TITANIUM PLATE is 30-45%, and aperture is 15-48 μm.
6. the anode fabrication method of a membrane electrode low-voltage electrolysis formula ozone generator, it is characterized in that, by chemical vapour deposition technique, anode catalyst is deposited directly in POROUS TITANIUM PLATE, then forms with proton exchange polymer membrane hot pressing the membrane electrode anode construction integrating POROUS TITANIUM PLATE, anode catalyst and proton exchange polymer membrane.
7. the anode fabrication method of a kind of membrane electrode low-voltage electrolysis formula ozone generator according to claim 6, is characterized in that, described anode catalyst adopts boron-doped diamond material.
8. the anode fabrication method of a kind of membrane electrode low-voltage electrolysis formula ozone generator according to claim 7, is characterized in that,
Step one, pre-treatment is carried out to POROUS TITANIUM PLATE: first soak with potassium hydroxide, tertiary sodium phosphate and edta solution and carry out oil removing degreasing, acid etch is carried out to remove POROUS TITANIUM PLATE surface and the oxide-film of its apparent gap with aqueous sulfuric acid after deionized water rinsing, thus build alligatoring, active matrix surface;
Step 2, grinds the POROUS TITANIUM PLATE processed through step one with bortz powder, then Ultrasonic Cleaning in acetone soln and deionized water solution successively, then dries up with nitrogen that to put into Dewar bottle stand-by;
Step 3, utilize heated filament auxiliary chemical vapor deposition method at the uniform anode catalyst of POROUS TITANIUM PLATE surface deposition one deck through step 2 process, described anode catalyst adopts boron-doped diamond material, reactant gas source is methane, hydrogen and borine, wherein, methane is carbon source, and borine is boron source, and hydrogen is as the carrier of methane and borine source of the gas;
Step 4, the side adopting hot press POROUS TITANIUM PLATE to be coated with boron-doped diamond material compresses with proton exchange polymer membrane hot pressing and combines, and obtains anode construction.
9. the anode fabrication method of a kind of membrane electrode low-voltage electrolysis formula ozone generator according to claim 8, it is characterized in that, in step 4, by proton exchange polymer membrane with the POROUS TITANIUM PLATE mechanical hot pressing being coated with Boron-doped diamond before, also need to use sand paper to carry out roughening treatment to its surface, to improve Boron-doped diamond with rete in conjunction with effect.
10. a membrane electrode for membrane electrode low-voltage electrolysis formula ozone generator, is made up of an anode construction and a cathode construction;
Described anode construction comprises a proton exchange polymer membrane, it is characterized in that, described proton exchange polymer membrane compresses the POROUS TITANIUM PLATE having to deposit anode catalyst, forms described anode construction.
The membrane electrode of 11. a kind of membrane electrode low-voltage electrolysis formula ozone generators according to claim 10, it is characterized in that, described POROUS TITANIUM PLATE is provided with a plurality of hole, and described anode catalyst is deposited in the hole of the lower surface of described POROUS TITANIUM PLATE and the bottom of described POROUS TITANIUM PLATE; The porosity of described POROUS TITANIUM PLATE is 30-45%, and aperture is 15-48 μm.
The membrane electrode of 12. a kind of membrane electrode low-voltage electrolysis formula ozone generators according to claim 10, it is characterized in that, described anode construction obtains by the following method:
By chemical vapour deposition technique, anode catalyst is deposited directly in POROUS TITANIUM PLATE, form the membrane electrode anode construction integrating POROUS TITANIUM PLATE, anode catalyst and proton exchange polymer membrane again with proton exchange polymer membrane hot pressing, described anode catalyst adopts boron-doped diamond material.
The membrane electrode of 13. a kind of membrane electrode low-voltage electrolysis formula ozone generators according to claim 10,11 or 12, is characterized in that, described anode catalyst adopts boron-doped diamond material.
The membrane electrode of 14. a kind of membrane electrode low-voltage electrolysis formula ozone generators according to claim 10,11 or 12, it is characterized in that, described cathode construction comprises a carbon and carries platinum cathode catalyst diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410747989.2A CN104759272B (en) | 2014-12-09 | 2014-12-09 | A kind of membrane electrode of membrane electrode low-voltage electrolysis formula ozone generator and its production method of anode and anode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410747989.2A CN104759272B (en) | 2014-12-09 | 2014-12-09 | A kind of membrane electrode of membrane electrode low-voltage electrolysis formula ozone generator and its production method of anode and anode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104759272A true CN104759272A (en) | 2015-07-08 |
| CN104759272B CN104759272B (en) | 2018-09-11 |
Family
ID=53641560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410747989.2A Active CN104759272B (en) | 2014-12-09 | 2014-12-09 | A kind of membrane electrode of membrane electrode low-voltage electrolysis formula ozone generator and its production method of anode and anode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104759272B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108396307A (en) * | 2018-01-18 | 2018-08-14 | 昆明理工大学 | A kind of preparation method of the diamond thin with strong film base adhesion strength |
| CN108411331A (en) * | 2018-02-11 | 2018-08-17 | 中氧科技（广州）有限公司 | A kind of membrane electrode assembly and preparation method thereof of low-voltage electrolysis ozone generator |
| CN108611655A (en) * | 2018-03-18 | 2018-10-02 | 广州市德百顺电气科技有限公司 | A kind of electrode of electrode unit and its composition |
| CN109112571A (en) * | 2018-08-16 | 2019-01-01 | 浙江工业大学 | One kind loading boron, the catalyst and its preparation method and application of N doping diamond based on oxidation platinum alloy |
| CN110508311A (en) * | 2019-08-30 | 2019-11-29 | 浙江工业大学 | A kind of porous boron doped carbon supported platinum nano beaded catalyst and its preparation method and application based on electrostatic spinning technique |
| CN110724930A (en) * | 2019-11-06 | 2020-01-24 | 杭州超然金刚石有限公司 | Preparation method of diamond film |
| CN112313176A (en) * | 2018-03-29 | 2021-02-02 | 北极星医疗放射性同位素有限责任公司 | System and method for an ozonated water generator |
| CN115433955A (en) * | 2022-10-13 | 2022-12-06 | 杭州热威洁净技术有限公司 | Three-electrode low-voltage electrolytic ozone generating device |
| CN117418247A (en) * | 2023-12-18 | 2024-01-19 | 中国科学院生态环境研究中心 | Ozone generating device and method for electrochemical coupling oxygen dissociation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250710A (en) * | 2008-03-28 | 2008-08-27 | 陕西科技大学 | Electrolytic ozone generator and preparation technique for cathode catalysis layer thereof |
| CN101634035A (en) * | 2009-09-03 | 2010-01-27 | 西安交通大学 | Electrochemical method and electrochemical device for synergistically generating ozone and hydrogen peroxide in neutral medium |
| CN102242374A (en) * | 2011-06-30 | 2011-11-16 | 南京航空航天大学 | Production method of titanium-based boron-doping diamond coating electrode |
| CN202116659U (en) * | 2011-05-16 | 2012-01-18 | 金华市广源环保科技有限公司 | PEM (proton exchange membrane) low-voltage electrolysis ozone generating device |
| CN102864435A (en) * | 2012-10-24 | 2013-01-09 | 天津理工大学 | Method for preparing composite type millipore filtration membrane for filtering organic waste water |
-
2014
- 2014-12-09 CN CN201410747989.2A patent/CN104759272B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250710A (en) * | 2008-03-28 | 2008-08-27 | 陕西科技大学 | Electrolytic ozone generator and preparation technique for cathode catalysis layer thereof |
| CN101634035A (en) * | 2009-09-03 | 2010-01-27 | 西安交通大学 | Electrochemical method and electrochemical device for synergistically generating ozone and hydrogen peroxide in neutral medium |
| CN202116659U (en) * | 2011-05-16 | 2012-01-18 | 金华市广源环保科技有限公司 | PEM (proton exchange membrane) low-voltage electrolysis ozone generating device |
| CN102242374A (en) * | 2011-06-30 | 2011-11-16 | 南京航空航天大学 | Production method of titanium-based boron-doping diamond coating electrode |
| CN102864435A (en) * | 2012-10-24 | 2013-01-09 | 天津理工大学 | Method for preparing composite type millipore filtration membrane for filtering organic waste water |
Non-Patent Citations (1)
| Title |
|---|
| 葛袁静等: "《等离子体科学技术及其在工业中的应用》", 31 January 2011, 中国轻工业出版社 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108396307A (en) * | 2018-01-18 | 2018-08-14 | 昆明理工大学 | A kind of preparation method of the diamond thin with strong film base adhesion strength |
| CN108411331A (en) * | 2018-02-11 | 2018-08-17 | 中氧科技（广州）有限公司 | A kind of membrane electrode assembly and preparation method thereof of low-voltage electrolysis ozone generator |
| CN108611655A (en) * | 2018-03-18 | 2018-10-02 | 广州市德百顺电气科技有限公司 | A kind of electrode of electrode unit and its composition |
| CN112313176A (en) * | 2018-03-29 | 2021-02-02 | 北极星医疗放射性同位素有限责任公司 | System and method for an ozonated water generator |
| CN109112571A (en) * | 2018-08-16 | 2019-01-01 | 浙江工业大学 | One kind loading boron, the catalyst and its preparation method and application of N doping diamond based on oxidation platinum alloy |
| CN110508311A (en) * | 2019-08-30 | 2019-11-29 | 浙江工业大学 | A kind of porous boron doped carbon supported platinum nano beaded catalyst and its preparation method and application based on electrostatic spinning technique |
| CN110724930A (en) * | 2019-11-06 | 2020-01-24 | 杭州超然金刚石有限公司 | Preparation method of diamond film |
| CN115433955A (en) * | 2022-10-13 | 2022-12-06 | 杭州热威洁净技术有限公司 | Three-electrode low-voltage electrolytic ozone generating device |
| CN117418247A (en) * | 2023-12-18 | 2024-01-19 | 中国科学院生态环境研究中心 | Ozone generating device and method for electrochemical coupling oxygen dissociation |
| CN117418247B (en) * | 2023-12-18 | 2024-03-15 | 中国科学院生态环境研究中心 | Ozone generating device and method for electrochemical coupling oxygen dissociation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104759272B (en) | 2018-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104759272A (en) | Membrane electrode of membrane electrode low-voltage electrolysis type ozone generator and manufacturing method for positive and negative electrodes of membrane electrode low-voltage electrolysis type ozone generator | |
| JP5480542B2 (en) | Conductive diamond electrode and ozone generator using conductive diamond electrode | |
| CN108611655B (en) | Electrode unit and electrode composed of same | |
| CN104894595B (en) | A kind of amorphous metal oxide hydrogen-precipitating electrode of high catalytic activity and preparation method thereof | |
| CN111485223B (en) | Boron-doped diamond electrode with ultrahigh specific surface area, and preparation method and application thereof | |
| CN103668311B (en) | For electro-catalysis reduction CO2to the catalysis electrode of formic acid, application and electro-catalysis reduction carbon dioxide to the method for formic acid | |
| Wan et al. | A solar assisted microbial electrolysis cell for hydrogen production driven by a microbial fuel cell | |
| CN101748423B (en) | Efficient electrochemical reactor of electro-catalysis in-situ hydrogen peroxide | |
| Liu et al. | Enhancing copper recovery and electricity generation from wastewater using low-cost membrane-less microbial fuel cell with a carbonized clay cup as cathode | |
| KR20170083593A (en) | Oxygen-generating anode | |
| CN104701561B (en) | Photoelectric-microbiological composite anode microbial fuel cell and method for processing domestic sewage by using microbial fuel cell | |
| CN105355926A (en) | Air cathode, preparation method of air cathode and microbiological fuel cell | |
| CN109665598B (en) | Method for generating electricity by carbonate radical photocatalysis waste water | |
| CN107159227B (en) | High-efficiency and long-life CoWB/NF catalyst for hydrogen production by sodium borohydride hydrolysis and preparation method thereof | |
| CN105161730B (en) | Air cathode and microbiological fuel cell | |
| Xu et al. | Economic benefit analysis of typical microbial fuel cells based on a cost–benefit analysis model | |
| CN104817190A (en) | Bioelectrochemical device for pollution reduction and hydrogen production by utilization of solar energy and method thereof | |
| CN1966778A (en) | Membrane electrode assembly structure for electrolysis type ozone generator | |
| CN105140552A (en) | Alcohol/Fe (III) liquid flow fuel cell and manufacturing method thereof | |
| Singh et al. | Degradation of phenolic compounds in wastewater using a conical-shaped packed-bed microbial fuel cell in continuous flow with recycling | |
| CN104258890B (en) | A kind of N doping graphitise diamond and preparation method | |
| Zhang et al. | A new design of activated carbon membrane air-cathode for wastewater treatment and energy recovery | |
| JP5408653B2 (en) | Ozone generation method and ozone generation apparatus | |
| Duarte-Urbina et al. | Bioanodes containing catalysts from onion waste and Bacillus subtilis for energy generation from pharmaceutical wastewater in a microbial fuel cell | |
| CN204424374U (en) | A kind of photoelectricity-microbe composite anode microbiological fuel cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190124 Address after: 201415 No. 1299 Juting Road, Zhuanghang Town, Fengxian District, Shanghai Patentee after: Shanghai Vm Electric Power Technology Co., Ltd. Address before: Room 101, 549 Sanmin Road, Zhuangxing Town, Fengxian District, Shanghai Patentee before: Shanghai Wei Aimu Environmental Protection Technology Co., Ltd |