CN108711626A - A kind of fuel cell membrane electrode catalyst and preparation method thereof - Google Patents
A kind of fuel cell membrane electrode catalyst and preparation method thereof Download PDFInfo
- Publication number
- CN108711626A CN108711626A CN201810471979.9A CN201810471979A CN108711626A CN 108711626 A CN108711626 A CN 108711626A CN 201810471979 A CN201810471979 A CN 201810471979A CN 108711626 A CN108711626 A CN 108711626A
- Authority
- CN
- China
- Prior art keywords
- alloy
- fuel cell
- polymer
- membrane electrode
- electrode catalyst
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8605—Porous electrodes
- H01M4/8621—Porous electrodes containing only metallic or ceramic material, e.g. made by sintering or sputtering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8817—Treatment of supports before application of the catalytic active composition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8825—Methods for deposition of the catalytic active composition
- H01M4/8867—Vapour deposition
- H01M4/8871—Sputtering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
- H01M4/928—Unsupported catalytic particles; loose particulate catalytic materials, e.g. in fluidised state
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Inert Electrodes (AREA)
- Fuel Cell (AREA)
Abstract
A kind of fuel cell membrane electrode catalyst of present invention offer and preparation method thereof, belongs to fuel cell catalyst technical field.Fuel cell membrane electrode catalyst includes the polymer with ionic conductivity and the porous metals being embedded in polymer, and wherein porous metals are to remove to obtain by the Cu contained in Cu alloys.The preparation method of fuel cell membrane electrode catalyst is to be embedded alloy-layer containing Cu in polymer surfaces, removes the Cu atoms in alloy-layer containing Cu.Fuel cell membrane electrode catalyst made from this preparation method, catalytic activity is stronger, and unobstructed ion transmission channel is provided by the polymer of ionic conductivity, makes battery efficiency higher.
Description
Technical field
The present invention relates to fuel cell catalyst technical fields, are catalyzed in particular to a kind of fuel cell membrane electrode
Agent and preparation method thereof.
Background technology
With becoming increasingly conspicuous for energy problem, and cleaning, high efficient energy sources are utilized with the active demand of technology, as generally acknowledged
Clean, efficiently, one of the energy utilization technology of safety, fuel cell technology shows vast potential for future development, it is contemplated that 21
Century, fuel cell technology will gradually form the industrial economy class of a sustainable development.Fuel cell is to utilize electrochemistry
The chemical energy isothermal transformation of fuel and oxidant is the electrochemical appliance of electric energy, the difference master between various fuel cells by process
It is to export the electrochemical reaction and its auxiliary electrode-electrolyte system that electric energy occurs.In the early 1990s, with Du
Company of nation nafion series proton exchange membrane is applied in a fuel cell, the polymer-membrane fuel battery of ionic conductivity
(PEMFC) it makes a breakthrough in functionization, in aerospace, automobile, military mobile power, civilian portable power etc.
It quickly grows.
The catalyst layer of existing membrane electrode is generally by the fluoropolymer resin of catalyst nano-particles, carbon dust and ionic conductivity
It constitutes, is the place of electrochemical reaction of fuel battery.Catalyst nano-particles are only electric with conductive daughter carbon dust, diversion daughter
Solution matter resin is contacted and could effectively be played a role simultaneously, and the polymer tree of catalyst nano-particles, carbon dust and ionic conductivity
Fat three's mechanical mixture is uneven to easy to produce active site and conductive daughter carbon dust or the sub- medium ionic conductibility of diversion
Fluoropolymer resin separation the problem of, cause anode side fuel oxidation generate electronics or ion can not be transmitted to cathode side or the moon
The redox reactions of pole side can not be carried out because lacking proton or electronics, influence the service efficiency of cathode and anode elctro-catalyst, drop
The output power of low battery.
Invention content
The purpose of the present invention is to provide a kind of fuel cell membrane electrode catalyst, and catalytic activity is strong, and passes through ion
Conductive polymer provides unobstructed ion transmission channel, makes battery efficiency higher.
Another object of the present invention is to provide a kind of preparation methods of fuel cell membrane electrode catalyst, and method is simple,
It is convenient to prepare.
Realization that the present invention adopts the following technical solutions：
A kind of fuel cell membrane electrode catalyst includes polymer with ionic conductivity and is embedded in polymer
Porous metals, wherein porous metals are to remove to obtain by the Cu contained in Cu alloys.
Further, in preferred embodiments of the present invention, above-mentioned porous metals have a duct, duct, porous metals and poly-
It is continuous structure to close object.
Further, in preferred embodiments of the present invention, the aperture in above-mentioned duct is 2-100nm.
Further, in preferred embodiments of the present invention, above-mentioned alloy containing Cu is in AuCu, AgCu, PdCu and PtCu
One kind.
Further, in preferred embodiments of the present invention, in above-mentioned alloy containing Cu, the amount of Cu atoms accounts for the original of the alloy containing Cu
The 25-85% of sub- total amount.
A kind of preparation method of above-mentioned fuel cell membrane electrode catalyst, is embedded alloy-layer containing Cu in polymer surfaces, goes
Except the Cu atoms in alloy-layer containing Cu.
Further, above-mentioned to be embedded alloy-layer containing Cu in polymer surfaces and include in preferred embodiments of the present invention：With poly-
Compound film is substrate, and alloy-layer containing Cu is sputtered in polymer film surface using magnetron sputtering method.
Further, in preferred embodiments of the present invention, above-mentioned alloy-layer containing Cu is PdCu or PtCu；
Using cation-exchange membrane as substrate, cation-exchange membrane is set to soften silicon, using magnetron sputtering method in sun
Ion exchange film surface sputters alloy-layer containing Cu.
Further, in preferred embodiments of the present invention, above-mentioned alloy-layer containing Cu is selected from AuCu layers, AgCu layers and PdCu layers
In one kind；
Using anion-exchange membrane as substrate, anion-exchange membrane is set to soften silicon, using magnetron sputtering method in the moon
Ion exchange film surface sputters alloy-layer containing Cu.
Further, in preferred embodiments of the present invention, the Cu atoms in above-mentioned removal alloy-layer containing Cu include：It is polymerizeing
Object surface is embedded alloy-layer containing Cu and is placed in acid solution.
The advantageous effect of fuel cell membrane electrode catalyst that presently preferred embodiments of the present invention provides is：Porous metals can
Good mass transfer channel is provided, the metal ligament of porous metals can be passed as the combination of catalyst and conductive daughter, ion
The polymer for the property led can provide unobstructed ion transmission channel, and porous metals are embedded in the polymer of ionic conductivity, urge
The electronics generated in agent surface chemical reaction can be quickly transferred to external circuit, proton, the hydroxyl of generation by metal ligament
Ion etc. can be transferred to by the ion transmission channel of the polymer of ionic conductivity to electrode, and that improves catalyst utilizes effect
Rate, battery efficiency effectively improve.Wherein porous metals are to remove to obtain by the Cu contained in Cu alloys, its hole of obtained porous metals
Road is more uniform, catalytic activity higher.
The advantageous effect of the preparation method of fuel cell membrane electrode catalyst provided by the invention includes：In ionic conductivity
Polymer surfaces be embedded Cu alloy-layers, then remove Cu metals more active in Cu alloy-layers, it is porous to obtain porous metals
Metal is embedded on the surface of the polymer of ionic conductivity, and method is simple, easy to operate.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings and also belong to protection scope of the present invention.
Fig. 1 is the structural schematic diagram for the fuel cell membrane electrode catalyst that the embodiment of the present invention 1 provides.
Specific implementation mode
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
Fuel cell membrane electrode catalyst of the embodiment of the present invention and preparation method thereof is specifically described below.
Fuel cell membrane electrode catalyst includes having the polymer of ionic conductivity and being embedded at porous in polymer
Metal, wherein porous metals are to remove to obtain by the Cu contained in Cu alloys.
Porous metals are capable of providing good mass transfer channel, and the metal ligament of porous metals can be used as catalyst and conduction
The polymer of the combination of daughter, ionic conductivity can provide unobstructed ion transmission channel, and porous metals are embedded at ion
In conductive polymer, the electronics generated in catalyst surface chemical reaction can be quickly transferred to dispatch from foreign news agency by metal ligament
Road, proton, hydroxide ion of generation etc. can be transferred to by the ion transmission channel of the polymer of ionic conductivity to electrode,
The utilization ratio of catalyst is improved, battery efficiency effectively improves.Wherein porous metals are to remove to obtain by the Cu contained in Cu alloys,
Its duct of obtained porous metals is more uniform, catalytic activity higher.
Porous metals have duct, and duct, metal ligament and polymer are continuous structure.Three is continuous structure,
The duct being connected in porous metals is set to be capable of providing better mass transfer channel, also, porous metals surface chemical reaction generates
Electronics can be transferred to external circuit by continuous metal ligament, proton, hydroxide ion of generation etc. can by continuously from
The unobstructed ion transmission channel of the conductive polymer of son is more completely transferred to electrode rapidly, is further improved and is urged
The utilization ratio of agent, makes battery efficiency further effectively improve.
The aperture in duct is 2-100nm.Reach nano-scale, significantly improves the specific surface area i.e. reactivity of catalyst
Site makes the catalytic activity higher of fuel cell membrane electrode catalyst.
Fuel cell membrane electrode catalyst is membrane structure, and the thickness of fuel cell membrane electrode catalyst is the μ of 50nm~100
M, the nanoscale ligament of macro-scale thin-film material transfer reaction can generate electronics rapidly, make fuel cell membrane electrode catalyst
Catalytic activity higher.
Any one of alloy containing Cu in AuCu, AgCu, PdCu and PtCu.After removing Cu atoms, what is obtained is more
Mesoporous metal is Au, Ag, Pd and Pt, these types of metal as porous metals, the fuel cell membrane electrode catalyst that finally obtains
Catalytic activity higher.
In alloy containing Cu, the amount of Cu atoms accounts for the 25-85% of the atom total amount of the alloy containing Cu.In alloy containing Cu, removal
After Cu atoms, the porous metals that aperture is 2-100nm can be obtained.Make the fuel cell membrane electrode catalyst finally obtained
Catalytic activity it is higher, battery efficiency effectively improves.
The polymer of ionic conductivity can be anion-exchange membrane or cation-exchange membrane.
Optionally, the selection of the polymer of porous metals and ionic conductivity is related with kinds of fuel cells, such as：Porous gold
Belong to any one in Au, Ag and Pd, ion-conducting polymers are anion-exchange membrane, are suitable for alkaline reaction body
System there is selective penetrated property effect, cathode to generate OH anion-It is saturating by the selection of anion-exchange membrane as carrier
The property crossed effect is moved to anode.Obtained fuel cell membrane electrode catalyst as hydrazine hydrate fuel-cell catalyst when
It waits, catalytic activity is higher, is hydrated the battery efficiency higher of hydrazine fuel cell.
If：As hydrogen-oxygen fuel cell electrode catalyst in use, porous metals be selected from Pd or Pt, ionic conductivity
Polymer is cation-exchange membrane, there is selective penetrated property effect, anode to generate H cation+As carrier, by sun from
Proton exchange is transmitted to cathode.Obtained fuel cell membrane electrode catalyst can be used as hydrogen-oxygen fuel cell catalyst, urge
Change active higher, the battery efficiency higher of hydrogen-oxygen fuel cell.
Optionally, transition metal alloy is Pt alloys, further increases the catalytic activity of catalyst, makes the combustion finally obtained
Expect the battery efficiency higher of battery.
The preparation method of above-mentioned fuel cell membrane electrode catalyst is embedded alloy-layer containing Cu in polymer surfaces, and removal contains
Cu atoms in Cu alloy-layers.
Cu alloy-layers are embedded in the polymer surfaces of ionic conductivity, then remove Cu metals more active in Cu alloy-layers,
To obtain porous metals, porous metals are embedded on the surface of the polymer of ionic conductivity, and method is simple, easy to operate.
Specifically, being embedded alloy-layer containing Cu in polymer surfaces includes：Using the polymer film of ionic conductivity as substrate, adopt
With magnetron sputtering method alloy-layer containing Cu is sputtered in polymer film surface.Alloy-layer can be embedded to the polymer in ionic conductivity
The surface of film, to obtain fuel cell membrane electrode catalyst.
Optionally, using the polymer film of ionic conductivity as substrate, the polymer film of ionic conductivity is made to silicon
Soften, the polymer film surface using magnetron sputtering method in ionic conductivity sputters alloy-layer containing Cu, first makes ionic conductivity
Polymer film softens, and enables the uniform sputter of alloy-layer containing Cu to the polymer film surface of ionic conductivity, and be embedded entrance
In the polymer film of ionic conductivity.
Optionally, using the polymer film of ionic conductivity as substrate material, control underlayer temperature is the glass of polymer film
State temperature, that is, silicon is given, so that substrate is softened, substrate cannot flow, with certain elasticity when touching, to contain
Cu alloys are target, and will contain Cu alloy sputters using magnetron sputtering method forms alloy-layer containing Cu to polymer film surface, makes to contain Cu
Alloy-layer is mutually chimeric with polymer film, obtains alloy-polymer material.
Alloy-layer containing Cu is PdCu or PtCu；Using cation-exchange membrane as substrate, cation-exchange membrane is made to silicon
Softening sputters alloy-layer containing Cu using magnetron sputtering method on cation-exchange membrane surface.Obtained fuel cell membrane electrode catalysis
Agent can be used as hydrogen-oxygen fuel cell anode, battery efficiency higher.
The one kind of alloy-layer containing Cu in AuCu layers, AgCu layers and PdCu layers；Using anion-exchange membrane as substrate, to lining
Bottom heating makes anion-exchange membrane soften, and alloy-layer containing Cu is sputtered in anion exchange film surface using magnetron sputtering method.It obtains
Fuel cell membrane electrode catalyst can be used as hydrazine hydrate anode of fuel cell, battery efficiency is higher.
Removal alloy-layer containing Cu in Cu atoms include：It is embedded alloy-layer containing Cu in polymer surfaces and is placed on acid solution
In.Acid solution occurs chemical reaction with the Cu in alloy-layer and enters in solution, and the Cu in alloy-layer is made to remove, more to obtain
Mesoporous metal, also, porous metals are embedded in the polymer film of ionic conductivity.
Specifically, if any one of alloy-layer in AuCu, AgCu, PdCu, PdCu, PtCu, by alloy-
The polymer material of ionic conductivity, which is placed in the salpeter solution of 0.8-4mol/L, reacts 1-10h, and the Cu in alloy is gone
It removes, obtains porous metals.Similar embodiment can also be：Cu is removed in hydrochloric acid or sulfuric acid solution system, is obtained porous
The concentration of metal, acid solution is higher, and the reaction time is shorter, can remove Cu and retain other atoms in alloy and obtain porous gold
Belong to.
Embodiment
It is embedded alloy-layer containing Cu in the polymer film surface of ionic conductivity, then removes gold more active in alloy-layer containing Cu
Belong to Cu, obtain the polymer of ionic conductivity and the porous metals being embedded in polymer, is fuel cell membrane electrode catalyst.
Specific preparation condition such as table 1
1 fuel cell membrane electrode catalyst preparation conditions of table and target material
The fuel cell membrane electrode catalyst finally obtained includes the polymer of the ionic conductivity in table 1 and is embedded at poly-
Close the porous metals in the table 1 in object.
Experimental example 1
Fig. 1 is the structure chart for the fuel cell membrane electrode catalyst that embodiment 1 obtains.From figure 1 it appears that obtain
Fuel cell membrane electrode catalyst is there are three the continuous structure of part, respectively white portion, orange sections and green portion,
In, what white portion represented is the polymer of ionic conductivity, and orange sections represent the metal hole wall of porous metals, green portion
Represent duct.Illustrate that the polymer of duct, porous metals and ionic conductivity is continuous structure, porous metals are capable of providing good
Good mass transfer channel, can be used as the combination of catalyst and conduction daughter, and the polymer of ionic conductivity can provide unobstructed
Ion transmission channel, porous metals are embedded in the polymer of ionic conductivity, what porous metals surface chemical reaction generated
Electronics more can completely be transferred to external circuit rapidly by the ion transmission channel of the polymer of ionic conductivity, and raising is urged
The utilization ratio of agent, battery efficiency effectively improve.
Experimental example 2
The fuel cell membrane electrode catalyst that embodiment 1- embodiments 3 are obtained is urged as hydrazine hydrate anode of fuel cell
Agent dosage is 0.2mg/cm2, comparative example 1 is the hydration for using Typical spray method, being made using business Pt/C as catalyst
Hydrazine fuel cell anode, catalyst amount 0.2mg/cm2.It is business Pt/C catalyst, Pt carrying capacity 2mg/cm in cathode2, anode
Fuel is 10% hydrazine hydrate solution, and flow velocity 6mL/min, cathode oxygen flow velocity is 100SCCM, and 80 DEG C of whens are hydrated hydrazine fuel cell
The maximum power density of electric discharge such as table 2,
The maximum power density of 2 hydrazine hydrate fuel cell electric discharge of table
| 30℃ | |
| Embodiment 1 | 408mW/cm2 |
| Embodiment 2 | 409mW/cm2 |
| Embodiment 3 | 417mW/cm2 |
| Comparative example 1 | 196mW/cm2 |
From table 2 it can be seen that the fuel cell membrane electrode catalyst that embodiment 1-3 is obtained is as hydration hydrazine fuel cell
When anode, the maximum power density of 80 DEG C of electric discharges is all higher than the maximum power density of the electric discharge of comparative example 1, illustrates embodiment 1-3
The catalytic activity of obtained fuel cell membrane electrode catalyst is stronger, the battery efficiency higher of obtained fuel cell.
Experimental example 3
The fuel cell membrane electrode catalyst that embodiment 4 and embodiment 5 are obtained is as hydrogen-oxygen fuel cell anode, catalysis
Agent dosage 0.01mg/cm2, comparative example 3 is the hydrogen-oxygen fuel cell for using Typical spray method, being made with business Pt/C catalyst
Anode, catalyst loading 0.05mg/cm2.It is business Pt/C catalyst, Pt carrying capacity 0.2mg/cm in cathode2, H2/O2Flow velocity is
500SCCM, the standby pressure of cathode and anode are the maximum power density for the hydrogen-oxygen fuel cell electric discharge that 30 DEG C are obtained under conditions of 0.1MPa
Such as table 3,
The maximum power density of 3 hydrogen-oxygen fuel cell of table electric discharge
| 30 DEG C of maximum power densities | |
| Embodiment 4 | 560mW/cm2 |
| Embodiment 5 | 610mW/cm2 |
| Comparative example 2 | 397mW/cm2 |
From table 3 it can be seen that the fuel cell membrane electrode catalyst that embodiment 4 and embodiment 5 obtain is as hydrogen-oxygen fuel
When galvanic anode, the maximum power density of 30 DEG C of electric discharges is significantly greater than the maximum power density of the electric discharge of comparative example 2, illustrates to implement
The catalytic activity for the fuel cell membrane electrode catalyst that example 4 and embodiment 5 obtain is stronger, the battery efficiency of obtained fuel cell
Higher.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of fuel cell membrane electrode catalyst, which is characterized in that include polymer with ionic conductivity and be embedded at
Porous metals in the polymer, wherein the porous metals are to remove to obtain by the Cu contained in Cu alloys.
2. fuel cell membrane electrode catalyst according to claim 1, which is characterized in that the porous metals have hole
Road, the duct, the porous metals and the polymer are continuous structure.
3. fuel cell membrane electrode catalyst according to claim 2, which is characterized in that the aperture in the duct is 2-
100nm。
4. fuel cell membrane electrode catalyst according to claim 1, which is characterized in that the alloy containing Cu is selected from
One kind in AuCu, AgCu, PdCu and PtCu.
5. fuel cell membrane electrode catalyst according to claim 4, which is characterized in that in the alloy containing Cu, Cu is former
The amount of son accounts for the 25-85% of the atom total amount of the alloy containing Cu.
6. a kind of preparation method of fuel cell membrane electrode catalyst as described in any one in claim 1-5, feature exist
In being embedded alloy-layer containing Cu in the polymer surfaces, remove the Cu atoms in the alloy-layer containing Cu.
7. preparation method according to claim 6, which is characterized in that described be embedded in the polymer surfaces described contains Cu
Alloy-layer includes：Using polymer film as substrate, the alloy containing Cu is sputtered in the polymer film surface using magnetron sputtering method
Layer.
8. preparation method according to claim 7, which is characterized in that the alloy-layer containing Cu is PdCu or PtCu；
Using cation-exchange membrane as substrate, the cation-exchange membrane is set to soften the silicon, using magnetron sputtering method
The alloy-layer containing Cu is sputtered on the cation-exchange membrane surface.
9. preparation method according to claim 7, which is characterized in that the alloy-layer containing Cu is selected from AuCu layers, AgCu layers
With one kind in PdCu layers；
Using anion-exchange membrane as substrate, the anion-exchange membrane is set to soften the silicon, using magnetron sputtering method
The alloy-layer containing Cu is sputtered in the anion exchange film surface.
10. preparation method according to claim 6, which is characterized in that the Cu in alloy-layer containing Cu described in the removal is former
Attached bag includes：Alloy-layer containing Cu is embedded in the polymer surfaces to be placed in acid solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810471979.9A CN108711626A (en) | 2018-05-17 | 2018-05-17 | A kind of fuel cell membrane electrode catalyst and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810471979.9A CN108711626A (en) | 2018-05-17 | 2018-05-17 | A kind of fuel cell membrane electrode catalyst and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108711626A true CN108711626A (en) | 2018-10-26 |
Family
ID=63868279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810471979.9A Withdrawn CN108711626A (en) | 2018-05-17 | 2018-05-17 | A kind of fuel cell membrane electrode catalyst and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108711626A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109599580A (en) * | 2018-12-24 | 2019-04-09 | 天津理工大学 | A kind of ultra-thin membrane electrode and its preparation method and application for neat liquid fuel cell |
| CN114583194A (en) * | 2022-03-01 | 2022-06-03 | 天津理工大学 | Large porosity catalyst layer suitable for proton exchange membrane fuel cell |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1724583A (en) * | 2004-06-30 | 2006-01-25 | 三星Sdi株式会社 | Polymer electrolyte membrane, membrane-electrode assembly, fuel cell system, and method for preparing the membrane-electrode assembly |
| WO2018080794A1 (en) * | 2016-10-26 | 2018-05-03 | 3M Innovative Properties Company | Catalyst |
-
2018
- 2018-05-17 CN CN201810471979.9A patent/CN108711626A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1724583A (en) * | 2004-06-30 | 2006-01-25 | 三星Sdi株式会社 | Polymer electrolyte membrane, membrane-electrode assembly, fuel cell system, and method for preparing the membrane-electrode assembly |
| WO2018080794A1 (en) * | 2016-10-26 | 2018-05-03 | 3M Innovative Properties Company | Catalyst |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109599580A (en) * | 2018-12-24 | 2019-04-09 | 天津理工大学 | A kind of ultra-thin membrane electrode and its preparation method and application for neat liquid fuel cell |
| CN114583194A (en) * | 2022-03-01 | 2022-06-03 | 天津理工大学 | Large porosity catalyst layer suitable for proton exchange membrane fuel cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4918046B2 (en) | Membrane / electrode assembly for fuel cell, production method thereof and fuel cell including the same | |
| CN101626083B (en) | Method for preparing proton exchange membrane fuel cell electrode with high catalyst utilization ratio | |
| JP2010214330A (en) | Method for manufacturing core-shell particles | |
| JPH05258755A (en) | Manufacture of solid polyelectrolyte fuel cell | |
| CN110400953B (en) | Solid electrolyte water electrolysis membrane electrode and preparation method thereof | |
| CN101964423A (en) | Direct methanol fuel cell anode catalyst Pt/ MnO2-RuO2/ CNTs and preparation method thereof | |
| CN100441291C (en) | Active carbon fiber platinum-carrying electrocatalyst and its preparing method | |
| CN113285107B (en) | Integrated membrane electrode with ultralow precious metal loading capacity and preparation method and application thereof | |
| CN108539206A (en) | A kind of Catalytic Layer orderly fuel cell electrode and membrane electrode entirely | |
| Zhang et al. | Co@ MWNTs-Plastic: A novel electrode for NaBH4 oxidation | |
| CN103191757B (en) | PdNiW/C ternary alloy nano catalyst and preparation method thereof | |
| CN108711626A (en) | A kind of fuel cell membrane electrode catalyst and preparation method thereof | |
| CN105047963A (en) | Novel fuel cell manufacturing method based on graphene thermoelectric management layer | |
| CN108736020A (en) | A kind of fuel cell membrane electrode catalyst and preparation method thereof | |
| CN103887518B (en) | A kind of ordered polymer membrane electrode from humidification | |
| CN103394346A (en) | Preparation method for small-size high-dispersion fuel battery catalyst | |
| CN101288909A (en) | Preparation method of metal nano particle with hollow structure and metal nano particle | |
| CN108695523A (en) | Fuel cell membrane electrode catalyst and preparation method thereof | |
| Ma et al. | Direct borohydride fuel cells—current status, issues, and future directions | |
| CN102881917B (en) | A kind of PdMg/C nanocatalyst and preparation method thereof | |
| CN102210049A (en) | Catalyst thin layer and method for fabricating the same | |
| CN109599580A (en) | A kind of ultra-thin membrane electrode and its preparation method and application for neat liquid fuel cell | |
| CN105289591A (en) | Preparation method of nano carbon based loaded two-dimensional noble metal cluster composite material | |
| CN105047944A (en) | Novel fuel cell based on graphene thermoelectric management layers | |
| CN102325602A (en) | Catalyst coated membrane (ccm) and catalyst film/layer for alkaline membrane fuel cells and methods of making same |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181026 |