CN108385127B - A kind of preparation method for the modification lead dioxide membrane electrode generating ozone - Google Patents
A kind of preparation method for the modification lead dioxide membrane electrode generating ozone Download PDFInfo
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- CN108385127B CN108385127B CN201810152412.5A CN201810152412A CN108385127B CN 108385127 B CN108385127 B CN 108385127B CN 201810152412 A CN201810152412 A CN 201810152412A CN 108385127 B CN108385127 B CN 108385127B
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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
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- C—CHEMISTRY; METALLURGY
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- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
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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
- C25B11/095—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 of the compounds being organic
Abstract
The present invention provides a kind of preparation methods of modification lead dioxide membrane electrode for generating ozone, which comprises the steps of: (1) prepares ionic exchange component;(2) corona treatment;(3) it prepares anode catalyst film: choosing graphene, carbon nanotube, PTFE, Y of constant weight2O3And PbO2, it is added in the solution containing dispersing agent, ultrasonic 0.5-2h is configured to the first spinning solution;First spinning solution is fitted into the syringe of electrostatic spinning apparatus, using ionic exchange component as receiver board, anode catalyst nanofiber is made in the first spinning solution using electrostatic spinning apparatus and is attached to the one side of ionic exchange component and forms anode catalyst film;Graphene and carbon nanotube collaboration improve the pattern of electrode surface, so that the catalytic effect of electrode is obviously improved.
Description
Technical field
The present invention relates to a kind of preparation methods of modification lead dioxide membrane electrode for generating ozone, are specifically a kind of stone
Black alkene and carbon nano tube-doped lead dioxide electrode, and it is standby using electro-spinning.
Background technique
Electrolysis method, which prepares ozone, to be had the advantages that produce ozoniferous concentration height, does not generate nitrogen oxides, smelly to prepare at present
The method of oxygen first choice.
And electrolysis method prepare ozone key problem be anode catalytic activity and stability, it is necessary to while having good
Electro catalytic activity and corrosion resistance.And electro catalytic activity and stability are not only related to electrode material, also with the structure of electrode and
Surface state etc. is because being known as much relations.Electrode structure and surface are still significantly improved space at present.
Summary of the invention
Based on the above issues, the present invention provides a kind of preparation sides of modification lead dioxide membrane electrode for generating ozone
Method, compared with the prior art, the surface topography of electrode further improve, and current efficiency is promoted, and efficiency of ozone generation is improved.
The solution of the present invention is as follows: a kind of modification lead dioxide membrane electrode generating ozone, comprising:
Ionic exchange component,
Anode catalyst film,
Optional includes cathod catalyst film.
The anode catalyst film includes graphene, carbon nanotube, polytetrafluoroethylene (PTFE) (PTFE), yttrium oxide (Y2O3) and two
Lead oxide (PbO2).The anode catalyst film and/or cathod catalyst film are integrated on ionic exchange component by Static Spinning.
Specifically, a kind of preparation method of modification lead dioxide membrane electrode for generating ozone includes the following steps:
(1) it prepares ionic exchange component: preparing ptfe emulsion and perfluorosulfonic acid ion exchanger resin solution respectively
It is spare;It selects mesh number for the metal mesh of 50-80, coats ptfe emulsion in the both side surface of metal mesh, then at 60-80 DEG C
Lower hot-air seasoning 2-10 times repeatedly, to increase the thickness of polytetrafluoroethylene ethylene layer, is coated with the metal of polytetrafluoroethylene (PTFE) at this time
Net has mesh-structured;It is molten in the two sides coating perfluorosulfonic acid ion exchanger resin for being coated with the metal mesh of polytetrafluoroethylene (PTFE) again
Liquid is dried at 90-150 DEG C, repeatedly repeatedly, is respectively formed until in the two sides for the metal mesh for being coated with polytetrafluoroethylene (PTFE)
With a thickness of 120-160 μm of perfluorinated sulfonic acid ion exchange membrane, metal mesh is mesh-structured by perfluorinated sulfonic acid ion exchange membrane at this time
Covering forms ionic exchange component;
(2) corona treatment: using plasma generator carries out ionic exchange component obtained in step (1) etc.
Gas ions processing, makes the surface forming part pit of perfluorinated sulfonic acid ion exchange membrane, increases surface roughness;
(3) it prepares anode catalyst film: choosing graphene, carbon nanotube, PTFE, Y of constant weight2O3And PbO2, it is added to
In solution containing dispersing agent, ultrasonic 0.5-2h is configured to the first spinning solution;First spinning solution is packed into electrostatic spinning apparatus
In syringe, using ionic exchange component as receiver board, anode catalyst is made in the first spinning solution using electrostatic spinning apparatus
Nanofiber is simultaneously attached to the one side of ionic exchange component and forms anode catalyst film.
A kind of modification lead dioxide membrane electrode for generating ozone is formed as a result,.
Preferably, a kind of preparation method of modification lead dioxide membrane electrode generating ozone further includes walking as follows
It is rapid:
(4) it prepares cathod catalyst film: choosing the polytetrafluoroethylene (PTFE) of constant weight, cathod catalyst nano particle is added,
It is configured to the second spinning solution;Second spinning solution is fitted into the syringe of electrostatic spinning apparatus, ionic exchange component is made
For receiver board, cathod catalyst nanofiber is made in the second spinning solution using electrostatic spinning apparatus and is attached to ion exchange group
The another side of part and form cathod catalyst film;
Preferably, in step (3) (4) electro-spinning for anode catalyst film and prepare cathod catalyst film can simultaneously into
Row.
The graphene and PbO2Mass ratio be 2-80:1000, preferably 5-50:1000, more preferable 10-20:1000.
The carbon nanotube and PbO2Mass ratio be 1-100:1000, preferably 2-50:1000, more preferable 4-8:1000.
The carbon nanotube is selected from single-walled carbon nanotube, multi-walled carbon nanotube, preferably multi-walled carbon nanotube.
The graphene and the mass ratio of carbon nanotube are 1-10:1, preferably 2-5:1, more preferable 2.5:1.
The polytetrafluoroethylene (PTFE) and PbO2Mass ratio be 3-50:1000, preferably 5-26:1000, more preferable 16-20:
1000。
The Y2O3And PbO2Mass ratio be 1-80:1000, preferably 10-60:1000, more preferable 20-30:1000.
Preferably, cathod catalyst nano particle is selected from one of platinum, nickel, permivar or a variety of.
The mass ratio of the polytetrafluoroethylene (PTFE) and cathod catalyst nano particle is 10-20:1000.
The bi-dimensional cellular shape structure that graphene is made of single layer of carbon atom, basic structural unit be organic material in most
Stable six-membered ring structure has good chemical stability, is the Typical Representative of two-dimension nano materials.Graphene has following
Advantage: (1) specific surface area of graphene is up to 2630m2/ g facilitates nano material in the dispersion on its surface, can effectively hinder
The only reunion of nano particle, while biggish reaction interface can be also provided for electrochemical reaction;(2) electronic conductivity of graphene
About 105S/m facilitates the transmitting for improving electron charge in the electric conductivity and electrochemical reaction process of composite material;(3)
Graphene sheet as two-dimensional material flexible there is more flexible space to construct characteristic, can be mutual between graphene sheet layer
Winding is overlapping, constitutes cellular structure abundant.Those cellular structures are conducive to the infiltration of electrolyte in electrochemical energy storing device
With the diffusion of ion, the ionic conductivity in reaction process is improved.
Carbon nanotube is as monodimension nanometer material, and light-weight, hexagonal structure connection is perfect, has many abnormal power
, electricity and chemical property, hardness and the diamond phase of carbon nanotube are worked as, and but possess good flexibility, carbon nanotube has
Good electric conductivity, since the structure of carbon nanotube and the lamellar structure of graphite are identical, so having good electric property.
Its electric conductivity of theoretical prediction depends on the helical angle of its caliber and tube wall.When the caliber of CNTs is greater than 6nm, under electric conductivity
Drop;When caliber is less than 6nm, CNTs can be seen as the One-dimensional Quantum conducting wire with excellent conductive performance.
Therefore, when being used for graphene and carbon nanotube to be modified lead dioxide electrode, the catalysis of electrode can be obviously improved
Performance improves the formation efficiency of ozone, and can be obviously improved the service life of electrode.Moreover, the two dimension of graphene
The one-dimentional structure of structure and carbon nanotube combines, and compound to a certain extent to become tridimensional network, the two is urged electrode
Change and show excellent synergy in effect, improves the catalytic performance of electrode jointly.
Polytetrafluoroethylene (PTFE) chemistry property is stablized, and is embedded in coating during Static Spinning, clogs and enclose part
Gap avoids β-PbO2Successive sedimentation, dispersed the internal stress in coating, enhanced the toughness and mechanical strength of coating,
To improve the corrosion resistance of electrode.Rare earth metal yttrium has special 4f electronic structure, and easily deformation is easy with calking
Or displaced mode enters PbO2Intracell, so that PbO2The crystal grain refinement of deposition becomes smaller, improve electrode microstructure and
Catalytic effect.
Specific embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1:
A kind of preparation method of modification lead dioxide membrane electrode generating ozone includes the following steps:
(1) it prepares ionic exchange component: preparing ptfe emulsion and perfluorosulfonic acid ion exchanger resin solution respectively
It is spare;It selects mesh number for 60 metal mesh, coats ptfe emulsion, then the hot wind at 70 DEG C in the both side surface of metal mesh
Drying, 5 times repeatedly, to increase the thickness of polytetrafluoroethylene ethylene layer, the metal mesh coated with polytetrafluoroethylene (PTFE) has net at this time
Pore structure;Perfluorosulfonic acid ion exchanger resin solution is coated in the two sides for being coated with the metal mesh of polytetrafluoroethylene (PTFE) again, at 100 DEG C
Lower drying is respectively formed repeatedly repeatedly until in the two sides for the metal mesh for being coated with polytetrafluoroethylene (PTFE) with a thickness of 150 μm
Perfluorinated sulfonic acid ion exchange membrane, the mesh-structured of metal mesh is covered by perfluorinated sulfonic acid ion exchange membrane at this time, forms ion exchange
Component;
(2) corona treatment: using plasma generator carries out ionic exchange component obtained in step (1) etc.
Gas ions processing, makes the surface forming part pit of perfluorinated sulfonic acid ion exchange membrane, increases surface roughness;
(3) it prepares anode catalyst film: choosing the graphene, multi-walled carbon nanotube, PTFE, Y of constant weight2O3And PbO2,
It is added in the solution containing dispersing agent, ultrasonic 1h is configured to the first spinning solution;First spinning solution is packed into electrostatic spinning apparatus
In syringe, using ionic exchange component as receiver board, anode catalyst is made in the first spinning solution using electrostatic spinning apparatus
Nanofiber is simultaneously attached to the one side of ionic exchange component and forms anode catalyst film;
(4) it prepares cathod catalyst film: choosing the polytetrafluoroethylene (PTFE) of constant weight, cathod catalyst nano particle is added
Platinum is configured to the second spinning solution;Second spinning solution is fitted into the syringe of electrostatic spinning apparatus, by ionic exchange component
As receiver board, cathod catalyst nanofiber is made in the second spinning solution using electrostatic spinning apparatus and is attached to ion exchange
The another side of component and form cathod catalyst film;
The graphene and PbO2Mass ratio be 10:1000.
The carbon nanotube and PbO2Mass ratio be 4:1000.
The polytetrafluoroethylene (PTFE) and PbO2Mass ratio be 16:1000.
The Y2O3And PbO2Mass ratio be 20:1000.
The mass ratio of the polytetrafluoroethylene (PTFE) and platinum is 18:1000.
After tested, the crystal grain of the anode electrode obtained is tiny, uniform and fine and close, grain size about 500-1200nm, analyses oxygen
Overpotential is 2356mV, current density 30mA/cm2Lower current efficiency is 28.3%, and accelerated service life is 2.38 hours (practical
Service life about 248 days).
Embodiment 2:
A kind of preparation method of modification lead dioxide membrane electrode generating ozone includes the following steps:
(1) it prepares ionic exchange component: preparing ptfe emulsion and perfluorosulfonic acid ion exchanger resin solution respectively
It is spare;It selects mesh number for 60 metal mesh, coats ptfe emulsion, then the hot wind at 70 DEG C in the both side surface of metal mesh
Drying, 5 times repeatedly, to increase the thickness of polytetrafluoroethylene ethylene layer, the metal mesh coated with polytetrafluoroethylene (PTFE) has net at this time
Pore structure;Perfluorosulfonic acid ion exchanger resin solution is coated in the two sides for being coated with the metal mesh of polytetrafluoroethylene (PTFE) again, at 100 DEG C
Lower drying is respectively formed repeatedly repeatedly until in the two sides for the metal mesh for being coated with polytetrafluoroethylene (PTFE) with a thickness of 150 μm
Perfluorinated sulfonic acid ion exchange membrane, the mesh-structured of metal mesh is covered by perfluorinated sulfonic acid ion exchange membrane at this time, forms ion exchange
Component;
(2) corona treatment: using plasma generator carries out ionic exchange component obtained in step (1) etc.
Gas ions processing, makes the surface forming part pit of perfluorinated sulfonic acid ion exchange membrane, increases surface roughness;
(3) it prepares anode catalyst film: choosing the graphene, multi-walled carbon nanotube, PTFE, Y of constant weight2O3And PbO2,
It is added in the solution containing dispersing agent, ultrasonic 1h is configured to the first spinning solution;First spinning solution is packed into electrostatic spinning apparatus
In syringe, using ionic exchange component as receiver board, anode catalyst is made in the first spinning solution using electrostatic spinning apparatus
Nanofiber is simultaneously attached to the one side of ionic exchange component and forms anode catalyst film;
(4) it prepares cathod catalyst film: choosing the polytetrafluoroethylene (PTFE) of constant weight, cathod catalyst nano particle is added
Platinum is configured to the second spinning solution;Second spinning solution is fitted into the syringe of electrostatic spinning apparatus, by ionic exchange component
As receiver board, cathod catalyst nanofiber is made in the second spinning solution using electrostatic spinning apparatus and is attached to ion exchange
The another side of component and form cathod catalyst film;
The graphene and PbO2Mass ratio be 15:1000.
The carbon nanotube and PbO2Mass ratio be 6:1000.
The polytetrafluoroethylene (PTFE) and PbO2Mass ratio be 18:1000.
The Y2O3And PbO2Mass ratio be 15:1000.
The mass ratio of the polytetrafluoroethylene (PTFE) and platinum is 18:1000.
After tested, the crystal grain of the anode electrode obtained is tiny, uniform and fine and close, grain size about 500-1200nm, analyses oxygen
Overpotential is 2366mV, current density 30mA/cm2Lower current efficiency is 29.0%, and accelerated service life is 2.50 hours (practical
Service life about 260 days).
Embodiment 3:
A kind of preparation method of modification lead dioxide membrane electrode generating ozone includes the following steps:
(1) it prepares ionic exchange component: preparing ptfe emulsion and perfluorosulfonic acid ion exchanger resin solution respectively
It is spare;It selects mesh number for 60 metal mesh, coats ptfe emulsion, then the hot wind at 70 DEG C in the both side surface of metal mesh
Drying, 5 times repeatedly, to increase the thickness of polytetrafluoroethylene ethylene layer, the metal mesh coated with polytetrafluoroethylene (PTFE) has net at this time
Pore structure;Perfluorosulfonic acid ion exchanger resin solution is coated in the two sides for being coated with the metal mesh of polytetrafluoroethylene (PTFE) again, at 100 DEG C
Lower drying is respectively formed repeatedly repeatedly until in the two sides for the metal mesh for being coated with polytetrafluoroethylene (PTFE) with a thickness of 150 μm
Perfluorinated sulfonic acid ion exchange membrane, the mesh-structured of metal mesh is covered by perfluorinated sulfonic acid ion exchange membrane at this time, forms ion exchange
Component;
(2) corona treatment: using plasma generator carries out ionic exchange component obtained in step (1) etc.
Gas ions processing, makes the surface forming part pit of perfluorinated sulfonic acid ion exchange membrane, increases surface roughness;
(3) it prepares anode catalyst film: choosing the graphene, multi-walled carbon nanotube, PTFE, Y of constant weight2O3And PbO2,
It is added in the solution containing dispersing agent, ultrasonic 1h is configured to the first spinning solution;First spinning solution is packed into electrostatic spinning apparatus
In syringe, using ionic exchange component as receiver board, anode catalyst is made in the first spinning solution using electrostatic spinning apparatus
Nanofiber is simultaneously attached to the one side of ionic exchange component and forms anode catalyst film;
(4) it prepares cathod catalyst film: choosing the polytetrafluoroethylene (PTFE) of constant weight, cathod catalyst nano particle is added
Platinum is configured to the second spinning solution;Second spinning solution is fitted into the syringe of electrostatic spinning apparatus, by ionic exchange component
As receiver board, cathod catalyst nanofiber is made in the second spinning solution using electrostatic spinning apparatus and is attached to ion exchange
The another side of component and form cathod catalyst film;
The graphene and PbO2Mass ratio be 20:1000.
The carbon nanotube and PbO2Mass ratio be 8:1000.
The polytetrafluoroethylene (PTFE) and PbO2Mass ratio be 20:1000.
The Y2O3And PbO2Mass ratio be 30:1000.
The mass ratio of the polytetrafluoroethylene (PTFE) and platinum is 18:1000.
After tested, the crystal grain of the anode electrode obtained is tiny, uniform and fine and close, grain size about 500-1200nm, analyses oxygen
Overpotential is 2375mV, current density 30mA/cm2Lower current efficiency is 27.7%, and accelerated service life is 2.32 hours (practical
Service life about 241 days).
Comparative example 1:
Preparation similar with embodiment 1, only difference is that graphene is only added, after tested, the crystalline substance of obtained anode electrode
Grain is uniform and fine and close, grain size about 800-1500nm, particle are thicker, overpotential for oxygen evolution 2368mV, current density 30mA/
cm2Lower current efficiency is 24.8%, and accelerated service life is 2.40 hours (about 250 days actual life).
Comparative example 2:
Preparation similar with embodiment 1, only difference is that carbon nanotube is only added.After tested, the anode electrode obtained
Crystal grain is uniform and fine and close, grain size about 1000-2500nm, particle are thicker, overpotential for oxygen evolution 2371mV, current density
30mA/cm2Lower current efficiency is 23.7%, and accelerated service life is 2.36 hours (about 245 days actual life).
It can be seen that from embodiment 1-3 by the way that graphene, carbon nanotube, PTFE and yttrium oxide is added, it is excessively electric that electrode analyses oxygen
Position is improved, and electrode crystal grain is tiny, uniform and fine and close, hence it is evident that improves the current efficiency of ozone preparation, and electrode has
Excellent service life reduces the cost of electrode.It can be seen that graphene and carbon nanotube from embodiment 1 and comparative example 1-2
Addition have apparent improvement to the current efficiency of electrode, and the combination of the two obtains electrode catalyst efficiency further
Promotion, this may to graphene, carbon nanotube formed tridimensional network it is related, the two cooperate with improve electrode surface
Pattern, so that the catalytic effect of electrode is obviously improved.
Claims (21)
1. a kind of preparation method for the modification lead dioxide membrane electrode for generating ozone, which comprises the steps of:
(1) it prepares ionic exchange component: preparing ptfe emulsion and perfluorosulfonic acid ion exchanger resin solution for standby respectively;
It selects mesh number for the metal mesh of 50-80, coats ptfe emulsion in the both side surface of metal mesh, then the heat at 60-80 DEG C
Wind drying 2-10 times repeatedly, to increase the thickness of polytetrafluoroethylene ethylene layer, is coated with the expanded metal of polytetrafluoroethylene (PTFE) at this time
Have mesh-structured;Perfluorosulfonic acid ion exchanger resin solution is coated in the two sides for being coated with the metal mesh of polytetrafluoroethylene (PTFE) again,
It is dried at 90-150 DEG C, repeatedly repeatedly, until being respectively formed thickness in the two sides for the metal mesh for being coated with polytetrafluoroethylene (PTFE)
For 120-160 μm of perfluorinated sulfonic acid ion exchange membrane, the mesh-structured of metal mesh is covered by perfluorinated sulfonic acid ion exchange membrane at this time,
Form ionic exchange component;
(2) corona treatment: using plasma generator carries out plasma to ionic exchange component obtained in step (1)
Body processing, makes the surface forming part pit of perfluorinated sulfonic acid ion exchange membrane, increases surface roughness;
(3) it prepares anode catalyst film: choosing graphene, carbon nanotube, PTFE, Y of constant weight2O3And PbO2, be added to containing
In the solution of dispersing agent, ultrasonic 0.5-2h is configured to the first spinning solution;First spinning solution is packed into the injection of electrostatic spinning apparatus
In device, using ionic exchange component as receiver board, anode catalyst nanometer is made in the first spinning solution using electrostatic spinning apparatus
Fiber is simultaneously attached to the one side of ionic exchange component and forms anode catalyst film;
(4) it prepares cathod catalyst film: choosing the polytetrafluoroethylene (PTFE) of constant weight, cathod catalyst nano particle is added, by it
It is configured to the second spinning solution;Second spinning solution is fitted into the syringe of electrostatic spinning apparatus, using ionic exchange component as connecing
Plate is received, cathod catalyst nanofiber is made in the second spinning solution using electrostatic spinning apparatus and is attached to ionic exchange component
Another side and form cathod catalyst film;
A kind of modification lead dioxide membrane electrode for generating ozone is formed as a result,.
2. according to the method described in claim 1, electro-spinning for anode catalyst film and prepares cathode and urges in step (3) (4)
Agent film carries out simultaneously.
3. according to the method described in claim 1, the graphene and PbO2Mass ratio be 2-80:1000.
4. according to the method described in claim 3, the graphene and PbO2Mass ratio be 5-50:1000.
5. according to the method described in claim 3, the graphene and PbO2Mass ratio be 10-20:1000.
6. according to the method described in claim 1, the carbon nanotube and PbO2Mass ratio be 1-100:1000.
7. according to the method described in claim 6, the carbon nanotube and PbO2Mass ratio be 2-50:1000.
8. according to the method described in claim 1, the carbon nanotube and PbO2Mass ratio be 4-8:1000.
9. according to the method described in claim 1, the carbon nanotube is selected from single-walled carbon nanotube, multi-walled carbon nanotube.
10. according to the method described in claim 9, the carbon nanotube is selected from multi-walled carbon nanotube.
11. according to the method described in claim 1, the graphene and the mass ratio of carbon nanotube are 1-10:1.
12. according to the method for claim 11, the graphene and the mass ratio of carbon nanotube are 2-5:1.
13. according to the method for claim 11, the graphene and the mass ratio of carbon nanotube are 2.5:1.
14. according to the method described in claim 1, the polytetrafluoroethylene (PTFE) and PbO2Mass ratio be 3-50:1000.
15. according to the method for claim 14, the polytetrafluoroethylene (PTFE) and PbO2Mass ratio be 5-26:1000.
16. according to the method for claim 14, the polytetrafluoroethylene (PTFE) and PbO2Mass ratio be 16-20:1000.
17. according to the method described in claim 1, the Y2O3And PbO2Mass ratio be 1-80:1000.
18. according to the method for claim 17, the Y2O3And PbO2Mass ratio be 10-60:1000.
19. according to the method for claim 17, the Y2O3And PbO2Mass ratio be 20-30:1000.
20. according to the method described in claim 1, cathod catalyst nano particle is selected from one of platinum, nickel, permivar
Or it is a variety of.
21. according to the method described in claim 1, the mass ratio of the polytetrafluoroethylene (PTFE) and cathod catalyst nano particle is
10-20:1000。
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CN103413947A (en) * | 2013-08-27 | 2013-11-27 | 武汉理工大学 | Fuel cell ordered porous nano-fiber single electrode, membrane electrode and preparation method |
CN103556179A (en) * | 2013-11-04 | 2014-02-05 | 山东东岳高分子材料有限公司 | Carbon-nanotube-modified high-current-density perfluorinated ion exchange membrane and preparation method thereof |
CN104674383A (en) * | 2015-02-12 | 2015-06-03 | 中国科学院城市环境研究所 | Carbon nano fiber aerogel electrostatic spinning construction method |
CN107359355A (en) * | 2017-06-12 | 2017-11-17 | 清华大学 | A kind of ordering nanofiber membrane electrode and preparation method thereof |
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CN103413947A (en) * | 2013-08-27 | 2013-11-27 | 武汉理工大学 | Fuel cell ordered porous nano-fiber single electrode, membrane electrode and preparation method |
CN103556179A (en) * | 2013-11-04 | 2014-02-05 | 山东东岳高分子材料有限公司 | Carbon-nanotube-modified high-current-density perfluorinated ion exchange membrane and preparation method thereof |
CN104674383A (en) * | 2015-02-12 | 2015-06-03 | 中国科学院城市环境研究所 | Carbon nano fiber aerogel electrostatic spinning construction method |
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