CN100388539C - Composite catalytic layer proton exchange membrane fuel cell electrode and its preparing method - Google Patents
Composite catalytic layer proton exchange membrane fuel cell electrode and its preparing method Download PDFInfo
- Publication number
- CN100388539C CN100388539C CNB2004100738036A CN200410073803A CN100388539C CN 100388539 C CN100388539 C CN 100388539C CN B2004100738036 A CNB2004100738036 A CN B2004100738036A CN 200410073803 A CN200410073803 A CN 200410073803A CN 100388539 C CN100388539 C CN 100388539C
- Authority
- CN
- China
- Prior art keywords
- catalytic layer
- fuel cell
- exchange membrane
- proton exchange
- cell electrode
- 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
Links
Images
Classifications
-
- 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
Abstract
The present invention relates to a composite catalyzing layer proton exchanging membrane fuel cell electrode and a preparing method thereof. The surface of the leveling layer side of a gas diffusing layer previously leveled in a hydrophobic mode through carbon powder is provided with at least two layers of catalyzing layers containing hydrophobic substances (such as PTFE) and carbon loading platinum (Pt/C) catalysts. After the calcination under the protection of inert gas at the temperature of 320 to 380 DEG C, a fixed quantity of solid polyelectrolyte is sprayed, and then the catalyzing layers are coated with at least two layers of slurry which is composed of solvents, electrode catalysts and the solid polyelectrolyte in different proportions. After drying or calcination under the protection of the inert gas at the temperature of 100 to 380 DEG C, the fuel cell electrode composed of the composite catalyzing layers with different hydrophilicity and hydrophobicity is obtained. The composite catalyzing layer fuel cell electrode has strong electron conducting ability and proton conducting ability and excellent gas and water transmission ability or diffusing ability. The three-phase interface area of electrode reactions is widened. The power density of the fuel cell is greatly increased.
Description
Invention field:
The present invention relates to solid macromolecule proton exchange membrane fuel cell electrode and manufacture method thereof, specifically a kind of have a two-layer or two-layer above different combination electrode Catalytic Layer of hydrophilic, hydrophobic property, can obtain the gas-diffusion electrode and the manufacture method thereof of the composite catalytic layer structure of high-output power density.
Technical background:
Fuel cell is that a kind of handle is stored in the Blast Furnace Top Gas Recovery Turbine Unit (TRT) that chemical energy in fuel and the oxidant directly changes electric energy into, and fuel cell has generating efficiency height, environmental friendliness, can realize advantages such as energy variation.Fuel cell can be divided into Proton Exchange Membrane Fuel Cells (PEMFC) according to electrolytical difference, alkaline fuel cell (AFC), phosphoric acid fuel cell (PAFC), Solid Oxide Fuel Cell (MCFC) etc., wherein, with hydrogen or reformation gas is fuel, air is the Proton Exchange Membrane Fuel Cells of oxidant, owing to have the current density height, operating temperature is low, advantages such as Miniaturizable, be counted as the power source of the vehicles such as automobile, in, small-sized dispersion power station, home-use cogeneration systems etc. get more and more people's extensive concerning, and wide application prospect and enormous and latent market are arranged.
Proton Exchange Membrane Fuel Cells is normally by proton exchange membrane, and the two sides of film all joins with the Catalytic Layer that contains the catalytic activity component, and the outside of Catalytic Layer is to be the gas diffusion layers of main component by carbon paper or carbon cloth.The outside again of gas diffusion layers is to be equipped with to have the bipolar plates of gas flow channel and satisfactory electrical conductivity, and when fueling and oxidant, the gas diffusion layers with afflux performance conducts the current to external circuit.
When anode with hydrogen (H
2) be fuel, when negative electrode is oxidant with oxygen, under the electrode catalyst effect, following electrode reaction takes place respectively.
Anode: 2H
2---4H
++ 4e
-
Negative electrode: O
2+ 4H
++ 4e
----H
2O
From following formula as can be known, among the PEMFC, the necessary condition that electrochemical reaction is carried out is the material that should respond, and supply, conduction and the acceptance of proton and electronics are arranged again.Be that electrochemical reaction is to carry out on the three phase boundary of reactant gas, proton, electronics.Electrode catalyst particle had both played catalytic action, played the effect of conduction electron (electron channel) again, and polyelectrolyte plays the effect of proton conducting (proton channel).Pore in the electrode plays transfer reaction thing (H
2, O
2) and product (H
2O) effect of passage.For in anode and negative electrode, obtaining three phase boundary, so electrode adopts the gas-diffusion electrode that is made of gas diffusion layers and Catalytic Layer usually.
Catalytic Layer is three-in-one at two side engagement constituting membrane electrodes of proton exchange membrane as anode and negative electrode with the conductivity porous body formation gas-diffusion electrode that plays the collector body effect.Catalytic Layer is to carry the catalytic activity component by carbon, solid macromolecule electrolyte, and mixing such as water-repelling agent such as PTFE are the places of electrode reaction.Obtain the fuel cell electrode of high-output power density, high proton-conducting, electronic conductivity and gas diffusibility are necessary.Therefore, it is necessary forming three kinds of passages that are communicated with in electrode.
In fuel cell, to carry out for making electrochemical reaction, Catalytic Layer need have continuous gas passage, proton channel and electron channel.But, supply with humidified gases and because cathode reaction generates water, thus fuel cell when high electric density moves, water in Catalytic Layer surface and the hole, gaseous diffusion is obstructed, battery performance significantly descends.
Usually, for the delay of water does not take place, in Catalytic Layer, sneak into PTFE and come hydrophobic property.For preventing water in high electric density when operation electrode, need to increase the addition of PTFE, improve hydrophobicity.Though PTFE has strong hydrophobicity, particle itself is very big, for after improving hydrophobicity and increasing the mixed volume of PTFE, and proton conduction passage, electrical conductivity passage and gas diffusion layers access denial, thus fuel cell performance is descended.
Summary of the invention
The objective of the invention is: for " water logging " problem that overcomes the hydrophilic Catalytic Layer electrode existence of above-mentioned fuel cell and the shortcoming that hydrophobic electrode catalyst utilance is low, resistance of proton conductivity is big, a kind of gas conduction ability height is provided, electrochemistry three-phase reaction interface area is big, eelctro-catalyst utilance height can obtain the very gas-diffusion electrode and the manufacture method thereof of high-output power density.This fuel cell electrode in gas-diffusion electrode, does not make proton conduction conductor channel, electron channel and gas diffusion paths be obstructed, and strong hydrophobicity is arranged, very high output power density again.
For achieving the above object, technical solution of the present invention provides a kind of composite catalytic layer proton exchange membrane fuel cell electrode, two sides in proton exchange membrane all joins with Catalytic Layer, the outside of Catalytic Layer is a gas diffusion layers, the outside again of gas diffusion layers is a bipolar plates, when fueling and oxidant, gas diffusion layers conducts the current to external circuit, its Catalytic Layer is a composite catalytic layer, composite catalytic layer is made up of with the different Catalytic Layer of the above hydrophily of one deck the different Catalytic Layer of one or more layers hydrophobicity, one side of joining with proton exchange membrane is the hydrophily Catalytic Layer, and a side of joining with gas diffusion layers is the hydrophobicity Catalytic Layer; Gas diffusion layers and composite catalytic layer are formed electrode.
Described proton exchange membrane fuel cell electrode, the gross thickness of its described composite catalytic layer are 5～40 μ m, and wherein the thickness of hydrophobicity Catalytic Layer is 3～25 μ m, and the thickness of hydrophily Catalytic Layer is 2～15 μ m.
Described proton exchange membrane fuel cell electrode, its described composite catalytic layer electrode used therein catalyst be platinum black or carbon to carry the catalytic activity component be Pt, Au, Ru, Rh, Pd, Ag, Ir, Co, Fe, Ni, the catalyst of one or more among the Mn; The loading of catalytic activity component is 20～80wt% on the carbon carrier.
Described proton exchange membrane fuel cell electrode, its described carbon carries in the catalytic activity component, and the use amount of the catalytic activity component of male or female is respectively at 0.01～0.7mg/cm
2
Described proton exchange membrane fuel cell electrode, its described gas diffusion layers are to be made by carbon paper or carbon cloth, and this carbon paper or carbon cloth are handled through hydrophobisation.
Described proton exchange membrane fuel cell electrode, catalytic activity component and water-repelling agent weight ratio 1: 0.05-1.8 in its described hydrophobicity Catalytic Layer; The weight ratio of catalytic activity component and solid macromolecule electrolyte is 1 in the hydrophily Catalytic Layer: 0.1-5.
Described proton exchange membrane fuel cell electrode, the gross thickness of its described composite catalytic layer are 7～25 μ m, and the thickness of hydrophobicity Catalytic Layer is 4～15 μ m, and the thickness of hydrophily Catalytic Layer is 3～10 μ m.
Described proton exchange membrane fuel cell electrode, the loading of catalytic activity component is 30～70wt% on its described carbon carrier.
Described proton exchange membrane fuel cell electrode, the use amount of the catalytic activity component of its described male or female is 0.05～0.5mg/cm
2
The manufacture method of described proton exchange membrane fuel cell electrode, it comprises step:
A) on surface, gas diffusion layers one or both sides with carbon dust or carbon dust with organic hydrophobic compound slurry flattens, the preliminary treatment of dry, roasting;
B) the hydrophobicity proportioning is different Catalytic Layer slurries prepare on the one side of gas diffusion layers in batches, then under inert gas shielding, and roasting in 320-380 ℃ of temperature;
C) then, at a certain amount of solid macromolecule electrolyte solution of hydrophobicity Catalytic Layer surface spraying, after the drying, the Catalytic Layer slurry that the hydrophily proportioning is different prepares the semi-hydrophobic Catalytic Layer surface that has sprayed solid macromolecule electrolyte solution above-mentioned in batches;
D) under inert gas shielding, roasting in 100-360 ℃ of temperature obtains proton exchange membrane fuel cell electrode.
The manufacture method of described proton exchange membrane fuel cell electrode is when making the above hydrophobicity Catalytic Layer of one deck, according to the above number of required one deck repeating step b) inferior, carry out step c), d again); When making the above hydrophily Catalytic Layer of one deck, according to the above number of required one deck repeating step c) inferior, carry out step d) again.
The manufacture method of described proton exchange membrane fuel cell electrode, its a kind of three-in-one step of membrane electrode of making is: a), b) step after;
C) in hydrophobicity Catalytic Layer surface spraying solid macromolecule electrolyte solution, and after the drying;
D) the different Catalytic Layer slurry of preparation hydrophily proportioning, slurry is sprayed in batches equably the surface of PTFE film, after the drying, on proton exchange membrane both sides, make the hydrophily Catalytic Layer transfer to the two sides of proton exchange membrane the hydrophily Catalytic Layer hot pressing of two preparations on the PTFE film;
E) again with two c) the hydrophobicity electrode handled of the three-dimensional that obtains of step is placed on d respectively) on the step gained hydrophily Catalytic Layer, it is three-in-one that hot pressing gets membrane electrode.
The present invention adopts by two-layer or two-layer above thin, hydrophilic composite catalytic layer electrode, a side that combines with proton exchange membrane is the stronger Catalytic Layer of thin slice hydrophily, side near gas diffusion layers is the stronger Catalytic Layer of hydrophobicity, existing good electron conduction of this composite catalytic layer electrode structure and proton conductivity, good gas conduction and water transmission capacity are arranged again, expand the three phase boundary zone of Catalytic Layer effectively, improved fuel cell output power density.
Description of drawings
Fig. 1 is proton exchange membrane fuel cell electrode microstructure schematic diagram of the present invention;
Fig. 2 is the multilayer Catalytic Layer combination electrode schematic diagram that has of the present invention; Side gas diffusion electrode structures with composite hydrophilic/hydrophobic gradient Catalytic Layer.
Fig. 3, the membrane electrode three-in-one (MEA) of embodiment 1 and comparative example preparation form the V-I curve of monocell and P-I curve ratio respectively.
Fig. 4, the membrane electrode three-in-one (MEA) of embodiment 2 and comparative example preparation form the V-I curve of monocell and P-I curve ratio respectively.
Fig. 5, the membrane electrode three-in-one (MEA) of embodiment 3 and comparative example preparation form the V-I curve of monocell and P-I curve ratio respectively.
Embodiment
As shown in Figure 2, be the schematic diagram of proton exchange membrane fuel cell electrode provided by the invention, in a side of proton exchange membrane 1, the electrode of forming by gas diffusion layers 2 and composite catalytic layer 3.This electrode is characterised in that and changes existing Catalytic Layer into composite catalytic layer 3, and composite catalytic layer 3 is to be made of the stronger Catalytic Layer 31 of one or more layers hydrophily and the Catalytic Layer 32 and 33 of one or more layers different hydrophobic degs.One side of joining with proton exchange membrane 1 is a hydrophily Catalytic Layer 31, and a side of joining with gas diffusion layers 2 is a hydrophobicity Catalytic Layer 32.With a side composite catalytic layer 3 possess hydrophilic properties that proton exchange membrane 1 is joined, the closer to gas diffusion layers 2, the hydrophobicity of composite catalytic layer 3 is strong more.
The gross thickness of composite catalytic layer 3 is 5～40 μ m, is preferably 7～25 μ m, and wherein the thickness of layer hydrophobic catalyst 32 is 3～25 μ m, is preferably in 4～15 μ m, and the thickness of hydrophilic Catalytic Layer 31 is 2～15 μ m, is preferably in 3～10 μ m.The thickness of middle transition Catalytic Layer 33 should be less than 2 μ m.
Composite catalytic layer 3 electrode used therein catalyst are platinum black or carbon carries platinum or carbon carries alloy catalyst, and catalyst activity component is Pt, Au, Ru, Pd, Ir, Ag, Co, Fe, Ni, the metal or alloy catalyst that the material more than a kind or a kind among the Mn is formed.
The used gas diffusion layers of the present invention 2 adopts carbon paper or the carbon cloth of handling through hydrophobization, and in one side or both side surface with carbon dust or carbon dust with organic hydrophobic compound (as PTFC) slurry flattens, the preliminary treatment of dry, roasting.
With mixed uniformly hydrophobicity Catalytic Layer 32 slurries with well-known method, for example method preparations such as (but being not limited thereto) spraying, blade coating or silk screen printing are in the one side of gas diffusion layers 2 through the leveling processing, and the weight ratio of catalyst activity component and water-repelling agent is 1 in the hydrophobicity Catalytic Layer 32: 0.05-1.8; Then under inert gas shielding after 320-380 ℃ of roasting, at an amount of solid macromolecule electrolyte solution of the surface of this layer hydrophobic catalyst 32 spraying, as Nafion solution.After the drying, on above-mentioned hydrophobicity Catalytic Layer 32 surfaces, the weight ratio of catalytic activity component and solid macromolecule electrolyte is 1 in the hydrophily Catalytic Layer 31: 0.1-5 with hydrophily Catalytic Layer 31 pulp preparation; 100-380 ℃ of drying obtains composite catalytic layer 3 gas-diffusion electrodes under inert gas shielding.
Embodiment 1:
A) press 0.25mgPt/cm
2The catalyst use amount, the Pt/C catalyst that takes by weighing the Pt loading and be 40wt% is put into beaker, adds small quantity of deionized water catalyst is soaked into, by every gram catalyst 50ml absolute ethyl alcohol, after taking by weighing, ethanol added the catalyst beaker after, evenly mix, stir, material shows pulpous state.Again in Pt/C: PTFE=1: 1.5 ratios, take by weighing PTFE and add in the feed liquid, evenly mix slaking.
To the one side through the gas diffusion layers regulating course of hydrophobization and single face leveling, 160 ℃ of dryings are 30 minutes under nitrogen protection, are warmed up to 250 ℃ of roastings again after 30 minutes, are warming up to 360 ℃ again, roasting 30 minutes with the slurry blade coating after the above-mentioned slaking.After the cooling, take by weighing 5wt%Nafion solution by the amount of every square centimeter of 1mg polyelectrolyte; Add suitable isopropyl alcohol, after evenly mixing, spray to the hydrophobic catalyst laminar surface equably, make the Catalytic Layer three-dimensional.
B) press 0.25mg Pt/cm
2The catalyst use amount take by weighing the Pt/C catalyst that the Pt loading is 40wt%; put into beaker; adding small amount of deionized water soaks into it; add an amount of absolute ethyl alcohol in 20: 1 ratios; after uniformly mixing; take by weighing 5wt%Nafion solution in Pt/C catalyst and 1: 3 ratio of solid macromolecule electrolyte amount of resin; join in the above-mentioned liquid material; continue to uniformly mix; obtain the hydrophily catalyst pulp after the slaking, with knife coating with the slurry blade coating on aforementioned layer hydrophobic catalyst, under the nitrogen protection; 150 ℃ of 30 minutes dryings, obtain composite bed hydrophilic-hydrophobic gradient electrode.With two composite beds hydrophilic-hydrophobic gradient electrode is placed on the both sides of a Nafion112 film through anticipating, it is three-in-one that hot pressing obtains membrane electrode.
Comparative example 1
Press 0.60mgPt/cm
2The catalyst use amount to take by weighing the Pt loading be that the Pt/C catalyst of 40wt% is put into beaker, add a spot of deionization catalyst soaked into, by every gram catalyst 50ml absolute ethyl alcohol, after will taking by weighing, after adding the catalyst beaker, uniformly mix, obtain pulpous state liquid material.Again in Pt/C: PTFE=1: 1.5 ratio, take by weighing the 20wt%PTFE emulsion and add in the liquid material, continue again to uniformly mix, slaking.
Slurry after the above-mentioned slaking is arrived the one side of the gas diffusion layers regulating course of process hydrophobization and single face leveling with the knife coating blade coating; 160 ℃ of dryings are 30 minutes under nitrogen protection; be warmed up to 250 ℃ of roastings again after 30 minutes, be warming up to 360 ℃ of roastings 30 minutes, obtain the layer hydrophobic catalyst electrode.The cooling back takes by weighing the suitable isopropyl alcohol of 5wt%Nafion solution adding by the amount of every square centimeter of 1mg polyelectrolyte, after the mixing, sprays to the hydrophobic catalyst laminar surface equably, makes the Catalytic Layer three-dimensional.
Be placed on the both sides of a Nafion112 film through anticipating with two through the hydrophobic electrode of three-dimensional, it is three-in-one that hot pressing obtains membrane electrode.
A) be prepared into layer hydrophobic catalyst on the gas diffusion layers and make this hydrophobicity Catalytic Layer three-dimensional by a) method of embodiment 1 preparation hydrophobic catalyst slurry and by the method for embodiment 1.
B) by the b of embodiment 1) method prepares hydrophilic Catalytic Layer slurry, and this slurry is sprayed to the surface of PTFE film equably, and the use amount of hydrophilic Catalytic Layer Pt is pressed 0.25mg/cm
2Regulate.After the drying, the hydrophilic Catalytic Layer of two preparations on the PTFE film is placed on the Nafion112 film both sides through anticipating, hot pressing is transferred to hydrophilic Catalytic Layer on the two sides of proton exchange membrane, the hydrophobicity electrode that two above-mentioned three-dimensionals are handled is placed on respectively on the above-mentioned hydrophilic Catalytic Layer then, and it is three-in-one that hot pressing obtains membrane electrode.
The electrode that embodiment 1 makes is made negative electrode, the electrode of comparative example manufacturing is made anode, it is three-in-one that itself and the hot pressing of Nafion1035 film are got membrane electrode.
With the three-in-one monocell that is assembled into respectively of membrane electrode that the foregoing description 1, embodiment 2 and embodiment 3 and comparative example make, on the fuel cell evaluation system, estimate.Its evaluation result is shown in the curve among Fig. 3, Fig. 4, Fig. 5.The concrete operations parameter of fuel cell is as follows.80 ℃ of temperature of fuel cell, 78～80 ℃ of humidifier temperature, operation of fuel cells pressure 0.2MPa, the strict control of hydrogen and air capacity.The hydrogen stoichiometric proportion is 1.17, and air metering is than being 2.5.
Claims (12)
1. composite catalytic layer proton exchange membrane fuel cell electrode, two sides in proton exchange membrane all joins with Catalytic Layer, the outside of Catalytic Layer is a gas diffusion layers, the outside again of gas diffusion layers is a bipolar plates, when fueling and oxidant, gas diffusion layers conducts the current to external circuit, it is characterized in that: Catalytic Layer is a composite catalytic layer, composite catalytic layer is made up of the different Catalytic Layer of the one or more layers hydrophobicity Catalytic Layer different with one or more layers hydrophily, one side of joining with proton exchange membrane is the hydrophily Catalytic Layer, and a side of joining with gas diffusion layers is the hydrophobicity Catalytic Layer; Gas diffusion layers and composite catalytic layer are formed electrode.
2. proton exchange membrane fuel cell electrode according to claim 1 is characterized in that: the gross thickness of described composite catalytic layer is 5～40 μ m, and wherein the thickness of hydrophobicity Catalytic Layer is 3～25 μ m, and the thickness of hydrophily Catalytic Layer is 2～15 μ m.
3. proton exchange membrane fuel cell electrode according to claim 1 is characterized in that: described composite catalytic layer electrode used therein catalyst be platinum black or carbon to carry the catalytic activity component be Pt, Au, Ru, Rh, Pd, Ag, Ir, Co, Fe, Ni, the catalyst of one or more among the Mn; The loading of catalytic activity component is 20～80wt% on the carbon carrier.
4. proton exchange membrane fuel cell electrode according to claim 3 is characterized in that: described carbon carries in the catalytic activity component, and the use amount of the catalytic activity component of male or female is respectively at 0.01～0.7mg/cm
2
5. proton exchange membrane fuel cell electrode according to claim 1 is characterized in that: described gas diffusion layers is to be made by carbon paper or carbon cloth, and this carbon paper or carbon cloth are handled through hydrophobisation.
6. proton exchange membrane fuel cell electrode according to claim 1 and 2 is characterized in that: catalytic activity component and water-repelling agent weight ratio 1: 0.05-1.8 in the described hydrophobicity Catalytic Layer; The weight ratio of catalytic activity component and solid macromolecule electrolyte is 1 in the hydrophily Catalytic Layer: 0.1-5.
7. proton exchange membrane fuel cell electrode according to claim 2 is characterized in that: the gross thickness of described composite catalytic layer is 7～25 μ m, and the thickness of hydrophobicity Catalytic Layer is 4～15 μ m, and the thickness of hydrophily Catalytic Layer is 3～10 μ m.
8. proton exchange membrane fuel cell electrode according to claim 3 is characterized in that: the loading of catalytic activity component is 30～70wt% on the described carbon carrier.
9. proton exchange membrane fuel cell electrode according to claim 4 is characterized in that: the use amount of the catalytic activity component of described male or female is 0.05～0.5mg/cm
2
10. the manufacture method of proton exchange membrane fuel cell electrode according to claim 1 is characterized in that: comprise step:
A) on surface, gas diffusion layers one or both sides with carbon dust or carbon dust with organic hydrophobic compound slurry flattens, the preliminary treatment of dry, roasting;
B) the hydrophobicity proportioning is different Catalytic Layer slurries prepare on the one side of gas diffusion layers in batches, then under inert gas shielding, and roasting in 320-380 ℃ of temperature;
C) then, at a certain amount of solid macromolecule electrolyte solution of hydrophobicity Catalytic Layer surface spraying, after the drying, the Catalytic Layer slurry that the hydrophily proportioning is different prepares the semi-hydrophobic Catalytic Layer surface that has sprayed solid macromolecule electrolyte solution above-mentioned in batches;
D) under inert gas shielding, roasting in 100-360 ℃ of temperature obtains proton exchange membrane fuel cell electrode.
11. the manufacture method of proton exchange membrane fuel cell electrode according to claim 10 is characterized in that: make the above hydrophobicity Catalytic Layer of one deck, according to the above number of required one deck repeating step b) inferior, carry out step c), d again); Make the above hydrophily Catalytic Layer of one deck, according to the above number of required one deck repeating step c) inferior, carry out step d) again.
12. the manufacture method of a proton exchange membrane fuel cell electrode is characterized in that: a kind of three-in-one step of membrane electrode of making is:
A) on surface, gas diffusion layers one or both sides with carbon dust or carbon dust with organic hydrophobic compound slurry flattens, the preliminary treatment of dry, roasting;
B) the hydrophobicity proportioning is different Catalytic Layer slurries prepare on the one side of gas diffusion layers in batches, then under inert gas shielding, and roasting in 320-380 ℃ of temperature;
C) in hydrophobicity Catalytic Layer surface spraying solid macromolecule electrolyte solution, and dry;
D) the different Catalytic Layer slurry of preparation hydrophily proportioning, slurry is sprayed in batches equably the surface of PTFE film, after the drying, on proton exchange membrane both sides, make the hydrophily Catalytic Layer transfer to the two sides of proton exchange membrane the hydrophily Catalytic Layer hot pressing of two preparations on the PTFE film;
E) again with two c) the hydrophobicity electrode handled of the three-dimensional that obtains of step is placed on d respectively) on the step gained hydrophily Catalytic Layer, it is three-in-one that hot pressing gets membrane electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100738036A CN100388539C (en) | 2004-09-01 | 2004-09-01 | Composite catalytic layer proton exchange membrane fuel cell electrode and its preparing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100738036A CN100388539C (en) | 2004-09-01 | 2004-09-01 | Composite catalytic layer proton exchange membrane fuel cell electrode and its preparing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1744360A CN1744360A (en) | 2006-03-08 |
| CN100388539C true CN100388539C (en) | 2008-05-14 |
Family
ID=36139639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100738036A Active CN100388539C (en) | 2004-09-01 | 2004-09-01 | Composite catalytic layer proton exchange membrane fuel cell electrode and its preparing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100388539C (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5332092B2 (en) * | 2006-09-11 | 2013-11-06 | トヨタ自動車株式会社 | Fuel cell |
| EP2157643B1 (en) * | 2007-06-08 | 2015-04-08 | Panasonic Corporation | Polymer electrolyte fuel cell |
| CN101462076B (en) * | 2009-01-06 | 2011-01-19 | 上海汽车工业(集团)总公司 | Novel use of hydrophobing agent/conductive carbon material composite body |
| US9337494B2 (en) | 2009-01-12 | 2016-05-10 | GM Global Technology Operations LLC | Ionic layer with oxygen evolution reaction catalyst for electrode protection |
| CN102598377B (en) * | 2010-01-07 | 2015-09-30 | 株式会社爱考斯研究 | The manufacture method of the manufacturing installation of catalyst layer, the manufacture method of catalyst layer, polymer electrolyte solution and polymer electrolyte solution |
| WO2016149168A1 (en) * | 2015-03-13 | 2016-09-22 | Stc.Unm | Design of smart-meas for high power fuel cells |
| CN109524674B (en) * | 2017-09-19 | 2022-06-21 | 粟青青 | Method for improving performance of cathode catalyst layer of membrane electrode of fuel cell |
| CN107658485B (en) * | 2017-09-22 | 2020-11-24 | 深圳先进储能材料国家工程研究中心有限公司 | Proton exchange membrane fuel cell membrane electrode and preparation method thereof |
| CN109346728A (en) * | 2018-09-25 | 2019-02-15 | 中新国际联合研究院 | Non-precious Metal Catalysts electrode, membrane electrode and preparation method thereof |
| CN110970644A (en) * | 2019-12-26 | 2020-04-07 | 先进储能材料国家工程研究中心有限责任公司 | Proton exchange membrane fuel cell and preparation method thereof |
| CN114628701B (en) * | 2020-12-11 | 2024-02-09 | 中国科学院大连化学物理研究所 | Multi-layer catalyst layer, method for the production and use thereof |
| CN114566653B (en) * | 2021-09-08 | 2023-01-31 | 中自环保科技股份有限公司 | Non-uniform catalyst layer, membrane electrode and preparation method thereof |
| CN114520339A (en) * | 2022-01-26 | 2022-05-20 | 浙江天能氢能源科技有限公司 | CCM for fuel cell and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1367941A (en) * | 1998-09-04 | 2002-09-04 | 曼哈顿科学公司 | Gas diffusion structure perpendicular to membrane of polymer-electrolyte membrane fuel cells |
| JP2002270187A (en) * | 2001-03-08 | 2002-09-20 | Matsushita Electric Ind Co Ltd | High polymer electrolyte type fuel cell and manufacturing method therefor |
| CN1376318A (en) * | 1999-09-21 | 2002-10-23 | 松下电器产业株式会社 | Polymer electrolytic fuel cell and method for producing the same |
| JP2004140001A (en) * | 2003-12-26 | 2004-05-13 | Nec Corp | Liquid fuel feed-type fuel cell, electrode for fuel cell, and manufacturing method of those |
-
2004
- 2004-09-01 CN CNB2004100738036A patent/CN100388539C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1367941A (en) * | 1998-09-04 | 2002-09-04 | 曼哈顿科学公司 | Gas diffusion structure perpendicular to membrane of polymer-electrolyte membrane fuel cells |
| CN1376318A (en) * | 1999-09-21 | 2002-10-23 | 松下电器产业株式会社 | Polymer electrolytic fuel cell and method for producing the same |
| JP2002270187A (en) * | 2001-03-08 | 2002-09-20 | Matsushita Electric Ind Co Ltd | High polymer electrolyte type fuel cell and manufacturing method therefor |
| JP2004140001A (en) * | 2003-12-26 | 2004-05-13 | Nec Corp | Liquid fuel feed-type fuel cell, electrode for fuel cell, and manufacturing method of those |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1744360A (en) | 2006-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5716437A (en) | Materials for use in electrode manufacture | |
| EP0654837B1 (en) | Manufacture of electrodes | |
| EP1347526B1 (en) | Membrane electrode assembly (MEA), production method and fuel cell employing the same | |
| CN100438158C (en) | Membrane-electrode assembly for fuel cell and fuel cell system comprising same | |
| JP4095982B2 (en) | Fuel cell electrode diffusion layer | |
| JP2002110180A (en) | Film-electrode unit for polyelectrolyte fuel cell, method for making the same, and ink for making the same | |
| CN100407482C (en) | Anti-carbon monoxide composite anode electrode catalyst layer structure and preparation method | |
| CN100388539C (en) | Composite catalytic layer proton exchange membrane fuel cell electrode and its preparing method | |
| KR101101497B1 (en) | Producing method for electrodes of fuel cell with high temperature type and membrane electrode assembly produced thereby | |
| EP2273589B1 (en) | Membrane electrode assembly and fuel cell | |
| JP2003115299A (en) | Solid polymer fuel cell | |
| JP5092381B2 (en) | Catalyst powder for fuel cell, method for producing catalyst powder for fuel cell, and fuel cell | |
| KR100481591B1 (en) | Polyelectrolyte nanocomposite membrane and the preparation method thereof and the fuel cell using the prepared polyelectrolyte nanocomposite membrane | |
| JP2007103175A (en) | Electrode for polymeric fuel cell and polymeric fuel cell using the same | |
| US20240136540A1 (en) | Method for producing catalyst layers for fuel cells | |
| KR100705553B1 (en) | Process for forming catalyst layers on a proton exchange membrane within membrane electrode assembly for fuel cell | |
| JP2006040633A (en) | Electrode for fuel cell, its manufacturing method, and fuel cell using it | |
| JP5609475B2 (en) | Electrode catalyst layer, method for producing electrode catalyst layer, and polymer electrolyte fuel cell using the electrode catalyst layer | |
| JP2010238415A (en) | Catalyst paste preparation method | |
| KR19990081105A (en) | Gas diffusion electrode and hydrogen ion exchange membrane fuel cell using same | |
| KR20170136300A (en) | Manufacturing method of fuel cell | |
| FUJIWARA | Excellent Woman Researcher Award of The Electrochemical Society of Japan Electrochemical Devices with Metal-Polymer Electrolyte Membrane Composites | |
| Park et al. | Development of A 5-W Direct Methanol Fuel Cell Stack for DMB Phone | |
| JP2005222812A (en) | Manufacturing method of electrode for fuel cell | |
| KR19980068246A (en) | A composition for forming an electrode catalyst layer of a hydrogen ion exchange membrane fuel cell, an electrode catalyst layer of a hydrogen ion exchange membrane fuel cell formed therefrom, and a hydrogen ion exchange membrane fuel cell having the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: XINYUAN POWER CO., LTD. Free format text: FORMER OWNER: DALIAN INST OF CHEMICOPHYSICS, CHINESE ACADEMY OF SCIENCES Effective date: 20071116 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20071116 Address after: Block 401# No. 1 A 116025 in Liaoning province Dalian City High-tech Park Qixianling Torch Road Applicant after: Sunrise Power Co., Ltd. Address before: 116023 No. 457, Zhongshan Road, Liaoning, Dalian Applicant before: Dalian Institute of Chemical Physics, Chinese Academy of Sciences |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |