CN109081671A - A kind of ceramic base fuel battery pole board and preparation method - Google Patents
A kind of ceramic base fuel battery pole board and preparation method Download PDFInfo
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- CN109081671A CN109081671A CN201810934473.7A CN201810934473A CN109081671A CN 109081671 A CN109081671 A CN 109081671A CN 201810934473 A CN201810934473 A CN 201810934473A CN 109081671 A CN109081671 A CN 109081671A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0215—Glass; Ceramic materials
- H01M8/0217—Complex oxides, optionally doped, of the type AMO3, A being an alkaline earth metal or rare earth metal and M being a metal, e.g. perovskites
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00853—Uses not provided for elsewhere in C04B2111/00 in electrochemical cells or batteries, e.g. fuel cells
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/90—Electrical properties
- C04B2111/94—Electrically conducting materials
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- 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
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
The present invention provides a kind of ceramic base fuel battery pole board and preparation methods.Have the defects that complex process, conducting powder are difficult to effectively disperse in ceramics for the preparation of existing ceramic plates, conducting powder by using being dispersed in gel by the present invention in advance, prepare the battery pole template die of high-voidage, to establish good conductive network, then baking-free ceramic precursor pulp is penetrated into gap and carries out solidification fixation, the preparation process of existing ceramic plates is not only optimized, and solves the defect that conducting powder is difficult to effectively disperse.Process is simple, and process is easily-controllable, low in cost, can be used for large-scale industrial production.
Description
Technical field
The present invention relates to fuel cell fields, and in particular to the preparation of battery pole plates is fired more particularly to a kind of ceramic base
Expect battery pole plates and preparation method.
Background technique
Fuel cell has wide application space and development prospect as emerging green energy resource, in future.Proton exchange
Membrane cell becomes the master of current fuel cell car due to the stability under its higher proton conductivity and low temperature
Galvanic battery.In a fuel cell, chief component is proton exchange membrane, catalyst, gas diffusion layers and bipolar plates.With
The continuous renewal of technology upgrades, and for the pole plate of fuel cell, higher requirements are also raised: (1) with excellent chemically compatible
Property, cathode plate will not react generation passivation with oxygen reduces electron mobility, and hydrogen reaction generates hydrogenation to plate in silence
Object leads to hydrogen embrittlement；(2) it is stabilized under high current and hot and humid environment, it will not be by water and the acidity of generation, alkali ion
Corrosion；(3) there is lower resistivity, so that the electronics generated in membrane electrode is made to be transferred to external circuit rapidly by pole plate,
Reduce the loss of battery itself；(4) there is good air-tightness, so that fuel gas is not susceptible to leakage and cause to waste and reduce fuel
The danger of explosion.
Current fuel battery pole board mainly has graphite electrode plate, metal polar plate and a compound polar plate three classes, graphite electrode plate it is excellent
Gesture is its light weight, good corrosion resistance, good conductivity, and disadvantage is bad mechanical property, and graphitization time is long, overall cost compared with
It is high；The advantage of metal polar plate is conductive and heat-conductive with higher and air-tightness, but its poor corrosion resistance, total quality weight；
Compound polar plate is compounded to form multi-layer board or resin usually using metal and carbon-based material and graphite is formed by curing mixed plate, the former makes
Standby complex process, the electric conductivity and mechanical performance of the latter is poor, and the subsequent compound difficulty of assembling is larger.Therefore new material is used
Simplify the preparation process of existing pole plate, reducing preparation cost has highly important practical significance.
Chinese invention patent application number 201410389449.1 discloses a kind of polymerization composite modified with conductivity ceramics/Cr
Object electrolyte membrane fuel cell metal bipolar plate is using ferrous alloy as matrix, using Laser Surface Modification Technology on its surface
It is sequentially prepared pure Cr layers and Al2O3-SiO2Graphite series of conductive ceramic layer is modified.It modified bipolar plate surfaces imporosity and splits
The defects of line, has good corrosion-resistant, conductive and heating conduction, can increase substantially polymer dielectric film fuel cell
Service life and energy conversion efficiency.
It is double that Chinese invention patent application number 200910013241.9 discloses a kind of used in proton exchange membrane fuel cell metal
The processing method of pole plate except passivation film process and removes passivation including the chemical attack before carrying out metal sheet surface modification
Argon ion bombardment after film cleans metal sheet surface, and deposits ceramic layer, heavy in the metal sheet surface cleaned
In long-pending ceramic layer depositing silver layers and silver layer surface apply one layer of silver-plated protective film.
Chinese invention patent application number 200710011001.6 discloses a kind of flexible graphite polar plate of two sides with groove
Manufacturing method can follow these steps to be operated, and expanded graphite is rolled or be molded into low-density plank by (1)；It (2) will be low close
Spend plate dipping thermosetting resin solution or thermoplastic resin fat liquor, dry drying plate；(3) drying plate is molded into closely knit flat
Plate；(4) closely knit plate is selected into thickness ratio according to the trench depth of manufactured pole plate, it is closely knit by 2 ~ 5 layers with glue or glue film
Plate is bonded, and bonding site is fuel battery double plates sealing structure position, its other than closely knit plate bonding site
Its region pad soft graphite thin paper；(5) plate after bonding is subjected to processing and forming, groove is suppressed on two sides；(6) by two sides band
The pole plate of groove carries out heat cure or sintering.
Chinese invention patent application number 201710247980.9 discloses a kind of made of paper using graphene carbon cellulose fiber conduction
Make the method for fuel cell porous diffusion layer electrode plate.The modified phenolic resin of graphene composite fibre conductive paper and epoxy resin
Mixing liquid impregnate and dry after, electrode plate is made through high temperature and pressure, most afterwards after high temperature cabonization used in making fuel cell
Porous diffusion layer electrode plate.
According to above-mentioned, the battery pole plates of fuel cell are used in existing scheme, generally existing preparation process to be complicated, at high cost
It is high, the disadvantages of chemical property and undesirable mechanical performance, affect the development of fuel cell.In consideration of it, the invention proposes
A kind of ceramic base fuel battery pole board and preparation method, can effectively solve above-mentioned technical problem.
Summary of the invention
For the battery pole plates of the wider fuel cell of current application, especially ceramic base battery pole plates, generally existing system
Standby complex process, with high costs, the defects of chemical property and undesirable mechanical performance, the present invention proposes a kind of ceramic base fuel
Battery pole plates and preparation method, so that the chemical property of electrode plate is effectively increased, while simple process is easily-controllable, it is at low cost
It is honest and clean.
Specific technical solution of the present invention is as follows:
A kind of preparation method of ceramic base fuel battery pole board, comprising the following steps:
(1) ptfe micropowder, conducting powder, sodium metasilicate, water are uniformly dispersed with mass ratio 1:3:5:10, under high velocity agitation
Sodium bicarbonate is added, adjustment pH value to 12-13 obtains gel, and gel is poured into mold, carries out aging, drying, is demoulded, cleaning,
Battery pole template die is made；
(2) the battery pole template die by step (1) preparation immerses baking-free ceramic precursor pulp, seeps ceramic forerunner slurry sufficiently
The micropore for entering battery pole template die heats solidification under the conditions of 50-60 DEG C, and ceramic base fuel battery pole board is made.
Have the defects that complex process, conducting powder are difficult to effectively disperse in ceramics for the preparation of existing ceramic plates, this
Invention prepares the battery pole template die of high-voidage by using conducting powder is dispersed in gel in advance, to establish good lead
Then baking-free ceramic precursor pulp is penetrated into gap and carries out solidification fixation by electric network, not only optimize existing ceramic pole
The preparation process of plate, and solve the defect that conducting powder is difficult to effectively disperse.
Preferably, the conducting powder selects at least one of graphene, silver powder, carbon nanotube, copper powder.
Preferably, the composition of the baking-free ceramic precursor pulp is by weight are as follows: 15-35 parts of kaolin, chlorination
1-2 parts of barium, 8-12 parts of barium carbonate, 15-20 parts of water, 3-5 parts of adhesive；Wherein adhesive is benzotriazole, poly aluminium sulfate, benzene
Resinox, urea-formaldehyde glue, aluminum hydroxide sol press 1:1.2~1.4: 1.1~1.2: 0.5~0.8:0.5~0.8
Mass ratio composition.
The present invention is compound using ceramic solidificationization formation conductive material by the way that baking-free ceramic slurry to be placed in micropore template
Ceramic plates.Its process is simple, and flow field can be controlled with thickness by mold, and preparation process one-pass molding can directly lead to
It crosses existing equipment transformation to be processed, the potentiality with large-scale industrial production, to overcome existing method technique
Complexity is difficult to control, defect with high costs.
The present invention also provides what a kind of above-mentioned preparation method was prepared to use ceramic base fuel battery pole board.By will be ceramic
Slurry is placed in template micropore the ceramic plates for being formed by curing curing conductive Material cladding.
It is compared with prior art, outstanding the present invention provides a kind of ceramic base fuel battery pole board and preparation method
Feature and excellent effect are:
1, it proposes that the side that slurry curing prepares ceramic base fuel battery pole board is then perfused so that conducting powder is prefabricated into micropore template
Method.
2, by injecting baking-free ceramic slurry into micropore template, fine and close fuel battery pole board, process are formed after solidification
Simply, flow field can be controlled with thickness by mold, can directly be processed by existing equipment transformation, at low cost
It is honest and clean, convenient huge advantage is prepared, can be used for large-scale industrial production.
Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
Preparation process are as follows:
(1) ptfe micropowder, conducting powder graphene, sodium metasilicate, water are uniformly dispersed with mass ratio 1:3:5:10, in high speed
It is added with stirring sodium bicarbonate, adjustment pH value to 12 obtains gel, and gel is poured into mold, carries out aging, drying, is demoulded, clearly
It washes, battery pole template die is made；
(2) the battery pole template die by step (1) preparation immerses baking-free ceramic precursor pulp, seeps ceramic forerunner slurry sufficiently
The micropore for entering battery pole template die heats solidification under the conditions of 50-60 DEG C, and ceramic base fuel battery pole board is made.It is described to exempt from
Burn the composition of ceramic forerunner slurry by weight are as follows: 15 parts of kaolin, 2 parts of barium chloride, 8 parts of barium carbonate, 15 parts of water, glue
Glutinous 3 parts of agent；Wherein adhesive is benzotriazole, poly aluminium sulfate, phenol-formaldehyde resin, urea-formaldehyde glue, aluminum hydroxide sol by 1:
1.2: 1.1: 0.5:0.5 mass ratio composition.
Test method are as follows:
It is 12mm that diameter, which is made, in electrode plate made from embodiment 1, with a thickness of the circular disc test specimen of 0.8mm, surface polishing, cleaning,
Drying, using the resistance value of DT9103A type number universal meter measurement sample, according to formula σ=d/(AR) conductivity is calculated,
In, d is sample thickness, and A is Area of Sample, and D is resistance value.
Conductivity, preparation cost and the preparation process situation of the battery pole plates of the embodiment 1 measured by the above method are such as
Shown in table 1.
Embodiment 2
Preparation process are as follows:
(1) ptfe micropowder, conducting powder silver powder, sodium metasilicate, water are uniformly dispersed with mass ratio 1:3:5:10, in high-speed stirring
Lower addition sodium bicarbonate is mixed, adjustment pH value to 13 obtains gel, and gel is poured into mold, carries out aging, drying, is demoulded, clearly
It washes, battery pole template die is made；
(2) the battery pole template die by step (1) preparation immerses baking-free ceramic precursor pulp, seeps ceramic forerunner slurry sufficiently
The micropore for entering battery pole template die heats solidification under the conditions of 50-60 DEG C, and ceramic base fuel battery pole board is made.It is described to exempt from
Burn the composition of ceramic forerunner slurry by weight are as follows: 20 parts of kaolin, 1 part of barium chloride, 8 parts of barium carbonate, 15 parts of water, glue
Glutinous 5 parts of agent；Wherein adhesive is benzotriazole, poly aluminium sulfate, phenol-formaldehyde resin, urea-formaldehyde glue, aluminum hydroxide sol by 1:
1.4: 1.2: 0.6:0.8 mass ratio composition.
Test method are as follows:
It is 12mm that diameter, which is made, in electrode plate made from embodiment 2, with a thickness of the circular disc test specimen of 0.8mm, surface polishing, cleaning,
Drying, using the resistance value of DT9103A type number universal meter measurement sample, according to formula σ=d/(AR) conductivity is calculated,
In, d is sample thickness, and A is Area of Sample, and D is resistance value.
Conductivity, preparation cost and the preparation process situation of the battery pole plates of the embodiment 2 measured by the above method are such as
Shown in table 1.
Embodiment 3
Preparation process are as follows:
(1) ptfe micropowder, conducting powder carbon nanotube, sodium metasilicate, water are uniformly dispersed with mass ratio 1:3:5:10, in height
Speed is added with stirring sodium bicarbonate, and adjustment pH value to 12 obtains gel, and gel is poured into mold, carries out aging, drying, is demoulded,
Battery pole template die is made in cleaning；
(2) the battery pole template die by step (1) preparation immerses baking-free ceramic precursor pulp, seeps ceramic forerunner slurry sufficiently
The micropore for entering battery pole template die heats solidification under the conditions of 50-60 DEG C, and ceramic base fuel battery pole board is made.It is described to exempt from
Burn ceramic forerunner slurry composition by weight are as follows: 35 parts of kaolin, 2 parts of barium chloride, 12 parts of barium carbonate, 20 parts of water,
5 parts of adhesive；Wherein adhesive is benzotriazole, poly aluminium sulfate, phenol-formaldehyde resin, urea-formaldehyde glue, aluminum hydroxide sol are pressed
1:1.4: 1.1: 0.7:0.5 mass ratio composition.
Test method are as follows:
It is 12mm that diameter, which is made, in electrode plate made from embodiment 3, with a thickness of the circular disc test specimen of 0.8mm, surface polishing, cleaning,
Drying, using the resistance value of DT9103A type number universal meter measurement sample, according to formula σ=d/(AR) conductivity is calculated,
In, d is sample thickness, and A is Area of Sample, and D is resistance value.
Conductivity, preparation cost and the preparation process situation of the battery pole plates of the embodiment 3 measured by the above method are such as
Shown in table 1.
Embodiment 4
Preparation process are as follows:
(1) ptfe micropowder, conducting powder copper powder, sodium metasilicate, water are uniformly dispersed with mass ratio 1:3:5:10, in high-speed stirring
Lower addition sodium bicarbonate is mixed, adjustment pH value to 12 obtains gel, and gel is poured into mold, carries out aging, drying, is demoulded, clearly
It washes, battery pole template die is made；
(2) the battery pole template die by step (1) preparation immerses baking-free ceramic precursor pulp, seeps ceramic forerunner slurry sufficiently
The micropore for entering battery pole template die heats solidification under the conditions of 50-60 DEG C, and ceramic base fuel battery pole board is made.It is described to exempt from
Burn ceramic forerunner slurry composition by weight are as follows: 25 parts of kaolin, 2 parts of barium chloride, 12 parts of barium carbonate, 15 parts of water,
3 parts of adhesive；Wherein adhesive is benzotriazole, poly aluminium sulfate, phenol-formaldehyde resin, urea-formaldehyde glue, aluminum hydroxide sol are pressed
1:1.2: 1.1: 0.5:0.8 mass ratio composition.
Test method are as follows:
It is 12mm that diameter, which is made, in electrode plate made from embodiment 4, with a thickness of the circular disc test specimen of 0.8mm, surface polishing, cleaning,
Drying, using the resistance value of DT9103A type number universal meter measurement sample, according to formula σ=d/(AR) conductivity is calculated,
In, d is sample thickness, and A is Area of Sample, and D is resistance value.
Conductivity, preparation cost and the preparation process situation of the battery pole plates of the embodiment 4 measured by the above method are such as
Shown in table 1.
Embodiment 5
Preparation process are as follows:
(1) ptfe micropowder, conducting powder graphene, sodium metasilicate, water are uniformly dispersed with mass ratio 1:3:5:10, in high speed
It is added with stirring sodium bicarbonate, adjustment pH value to 13 obtains gel, and gel is poured into mold, carries out aging, drying, is demoulded, clearly
It washes, battery pole template die is made；
(2) the battery pole template die by step (1) preparation immerses baking-free ceramic precursor pulp, seeps ceramic forerunner slurry sufficiently
The micropore for entering battery pole template die heats solidification under the conditions of 50-60 DEG C, and ceramic base fuel battery pole board is made.It is described to exempt from
Burn the composition of ceramic forerunner slurry by weight are as follows: 20 parts of kaolin, 1 part of barium chloride, 8 parts of barium carbonate, 15 parts of water, glue
Glutinous 3 parts of agent；Wherein adhesive is benzotriazole, poly aluminium sulfate, phenol-formaldehyde resin, urea-formaldehyde glue, aluminum hydroxide sol by 1:
1.2: 1.1: 0.5:0.7 mass ratio composition.
Test method are as follows:
It is 12mm that diameter, which is made, in electrode plate made from embodiment 5, with a thickness of the circular disc test specimen of 0.8mm, surface polishing, cleaning,
Drying, using the resistance value of DT9103A type number universal meter measurement sample, according to formula σ=d/(AR) conductivity is calculated,
In, d is sample thickness, and A is Area of Sample, and D is resistance value.
Conductivity, preparation cost and the preparation process situation of the battery pole plates of the embodiment 5 measured by the above method are such as
Shown in table 1.
Comparative example 1
Commercially available graphite electrode plate.
The conductivity of the battery pole plates of comparative example 1, preparation cost and preparation process situation are as shown in table 1.
Comparative example 2
Commercially available ferrous alloy pole plate.
The conductivity of the battery pole plates of comparative example 2, preparation cost and preparation process situation are as shown in table 1.
Comparative example 3
The compound polar plate of commercially available ferrous alloy and graphite.
The conductivity of the battery pole plates of comparative example 3, preparation cost and preparation process situation are as shown in table 1.
Table 1:
Claims (4)
1. a kind of preparation method of ceramic base fuel battery pole board, which comprises the following steps:
(1) ptfe micropowder, conducting powder, sodium metasilicate, water are uniformly dispersed with mass ratio 1:3:5:10, under high velocity agitation
Sodium bicarbonate is added, adjustment pH value to 12-13 obtains gel, and gel is poured into mold, carries out aging, drying, is demoulded, cleaning,
Battery pole template die is made；
(2) the battery pole template die by step (1) preparation immerses baking-free ceramic precursor pulp, seeps ceramic forerunner slurry sufficiently
The micropore for entering battery pole template die heats solidification under the conditions of 50-60 DEG C, and ceramic base fuel battery pole board is made.
2. a kind of preparation method of ceramic base fuel battery pole board according to claim 1, it is characterised in that: step (1) institute
It states conducting powder and selects at least one of graphene, silver powder, carbon nanotube, copper powder.
3. a kind of preparation method of ceramic base fuel battery pole board according to claim 1, it is characterised in that: step (2) institute
State the composition of baking-free ceramic precursor pulp by weight are as follows: 15-35 parts of kaolin, 1-2 parts of barium chloride, barium carbonate 8-12
Part, 15-20 parts of water, 3-5 parts of adhesive；Wherein adhesive is benzotriazole, poly aluminium sulfate, phenol-formaldehyde resin, ureaformaldehyde
Glue, aluminum hydroxide sol press 1:1.2~1.4: the mass ratio composition of 1.1~1.2: 0.5~0.8:0.5~0.8.
4. a kind of ceramic base fuel battery pole board that any one of claim 1 ~ 3 preparation method is prepared.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810934473.7A CN109081671A (en) | 2018-08-16 | 2018-08-16 | A kind of ceramic base fuel battery pole board and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810934473.7A CN109081671A (en) | 2018-08-16 | 2018-08-16 | A kind of ceramic base fuel battery pole board and preparation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113823807A (en) * | 2021-11-25 | 2021-12-21 | 北京理工大学深圳汽车研究院(电动车辆国家工程实验室深圳研究院) | Composition, composite conductive ceramic bipolar plate thereof and preparation method |
| CN114824342A (en) * | 2021-01-28 | 2022-07-29 | 上海神力科技有限公司 | Preparation method of graphite polar plate, fuel cell and vehicle |
-
2018
- 2018-08-16 CN CN201810934473.7A patent/CN109081671A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824342A (en) * | 2021-01-28 | 2022-07-29 | 上海神力科技有限公司 | Preparation method of graphite polar plate, fuel cell and vehicle |
| CN113823807A (en) * | 2021-11-25 | 2021-12-21 | 北京理工大学深圳汽车研究院(电动车辆国家工程实验室深圳研究院) | Composition, composite conductive ceramic bipolar plate thereof and preparation method |
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Application publication date: 20181225 |
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