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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
mass ratio
pbo
ptfe
carbon nanotube
method described
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.)
Active
Application number
CN201810152412.5A
Other languages
Chinese (zh)
Other versions
CN108385127A (en
Inventor
樊国荣
翁明波
陈忠
袁洪军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Central Oxygen Technology (guangzhou) Co Ltd
Original Assignee
Central Oxygen Technology (guangzhou) Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Central Oxygen Technology (guangzhou) Co Ltd filed Critical Central Oxygen Technology (guangzhou) Co Ltd
Priority to CN201810152412.5A priority Critical patent/CN108385127B/en
Publication of CN108385127A publication Critical patent/CN108385127A/en
Application granted granted Critical
Publication of CN108385127B publication Critical patent/CN108385127B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00Electrolytic production of inorganic compounds or non-metals
    • C25B1/01Products
    • C25B1/13Ozone
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051Electrodes formed of electrocatalysts on a substrate or carrier
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/073Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
    • C25B11/091Electrodes 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
    • C25B11/095Electrodes 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

A kind of preparation method for the modification lead dioxide membrane electrode generating ozone
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。
CN201810152412.5A 2018-02-14 2018-02-14 A kind of preparation method for the modification lead dioxide membrane electrode generating ozone Active CN108385127B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810152412.5A CN108385127B (en) 2018-02-14 2018-02-14 A kind of preparation method for the modification lead dioxide membrane electrode generating ozone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810152412.5A CN108385127B (en) 2018-02-14 2018-02-14 A kind of preparation method for the modification lead dioxide membrane electrode generating ozone

Publications (2)

Publication Number Publication Date
CN108385127A CN108385127A (en) 2018-08-10
CN108385127B true CN108385127B (en) 2019-09-13

Family

ID=63069068

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810152412.5A Active CN108385127B (en) 2018-02-14 2018-02-14 A kind of preparation method for the modification lead dioxide membrane electrode generating ozone

Country Status (1)

Country Link
CN (1) CN108385127B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114807974B (en) * 2022-06-07 2024-05-07 中国科学院化学研究所 Method for preparing membrane electrode for PEM (PEM) electrolytic water hydrogen production by electrostatic spinning method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101888743B1 (en) * 2016-07-28 2018-08-14 연세대학교 산학협력단 Composite including porous grapheme and carbonaceous material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
CN108385127A (en) 2018-08-10

Similar Documents

Publication Publication Date Title
Yu et al. Amorphous NiFe layered double hydroxide nanosheets decorated on 3D nickel phosphide nanoarrays: a hierarchical core–shell electrocatalyst for efficient oxygen evolution
CN109225270B (en) Ni3S2@ NiV-LDH heterostructure bifunctional electrocatalyst, preparation method and application
Xue et al. Hierarchical porous nickel cobaltate nanoneedle arrays as flexible carbon-protected cathodes for high-performance lithium–oxygen batteries
US10889903B2 (en) Oxygen-generating anode
US20150349325A1 (en) Bi-functional electrode for metal-air batteries and method for producing same
CN113718281B (en) Graphene quantum dot/MXene nanosheet two-dimensional composite material and preparation method and application thereof
US7857953B2 (en) Oxygen-reducing gas diffusion cathode and method of sodium chloride electrolysis
Liu et al. Metal–Organic-Framework-Derived Cobalt nanoparticles encapsulated in Nitrogen-Doped carbon nanotubes on Ni foam integrated Electrode: Highly electroactive and durable catalysts for overall water splitting
CN112156798A (en) NiCoP/NiCo-DH @ NF composite material, preparation method and application
CN107316752A (en) A kind of preparation method of the grapheme modified paper capacitor electrode of manganese bioxide/carbon nano tube
CN113638002B (en) FeCo LDH/Ti 3 C 2 MXene/NF composite material, and preparation method and application thereof
US11390958B2 (en) Alkaline water electrolysis method and alkaline water electrolysis anode
CN106783210B (en) The preparation method of the hollow super electric material of nucleocapsid ZnCo2O4-RGO flexibilities
CN108179433A (en) Ordered mesopore carbon loads nanometer iridium base electrocatalytic hydrogen evolution electrode and its preparation and application
CN115064710B (en) Membrane electrode CCM, preparation method thereof, membrane electrode assembly MEA and fuel cell
CN108385127B (en) A kind of preparation method for the modification lead dioxide membrane electrode generating ozone
CN108987123B (en) Ternary composite super-capacitor electrode material and preparation method thereof
CN108301013B (en) Preparation method of modified lead dioxide anode for ozone
CN113308707A (en) Gas diffusion electrode for electrochemical reduction of carbon dioxide
Zhang et al. Hybridizing amorphous NiO x nanoflakes and Mn-doped Ni 2 P nanosheet arrays for enhanced overall water electrocatalysis
Tingting et al. Enhanced electrocatalytic activity of carbon cloth by synergetic effect of plasma and acid treatment
Junqing et al. Preparation and electrochemical properties of hollow nickel oxide fibers
CN111646494B (en) Nitrogen and sulfur element doped lanthanum oxide/amaranth-based carbon nanocomposite and preparation method and application thereof
CN112354544B (en) Nickel hydroxide layer coated simple substance ruthenium structure hydrogen evolution catalyst and preparation method thereof
CN110078043A (en) A kind of three-dimensional carbon or three-dimensional carbon/grapheme foam and its preparation method and application

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant