CN108281682A - A kind of fuel battery negative pole composite material and preparation method, fuel cell - Google Patents
A kind of fuel battery negative pole composite material and preparation method, fuel cell Download PDFInfo
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- CN108281682A CN108281682A CN201711447332.4A CN201711447332A CN108281682A CN 108281682 A CN108281682 A CN 108281682A CN 201711447332 A CN201711447332 A CN 201711447332A CN 108281682 A CN108281682 A CN 108281682A
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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
- H01M8/0223—Composites
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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
- H01M4/8803—Supports for the deposition of the catalytic active composition
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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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Abstract
The present invention relates to a kind of fuel battery negative pole composite material and preparation method, fuel cells, belong to solid fuel cell technical field.The fuel battery negative pole composite material of the present invention has chemical formula as follows：LaBaAgxCo2O5+δ；Wherein 0 x≤1 ＜.The fuel battery negative pole composite material of the present invention is in perovskite composite oxide LaBaCo2O5+δOn the basis of, in its structure by precious metals ag doping, ohm and polarization resistance of cathode material can be effectively reduced, improve conductivity, promote the redox ability of cathode material.And the noble metals such as Ag and Pd, Pt are compared more economically.
Description
Technical field
The present invention relates to a kind of fuel battery negative pole composite material and preparation method, fuel cells, belong to solid fuel
Battery technology field.
Background technology
Solid oxide fuel cell (SOFC) is a kind of important kind in fuel cell, is a kind of energy of high-efficiency cleaning
Converting system is measured, the chemical energy of fuel gas and oxidizing gas can be directly changed into electric energy, energy conversion efficiency is not by " Kano
The limitation of cycle ", the energy conversion efficiency of fuel are up to 40%-60%.SOFC is mainly by electrolyte, cathode, anode and company
The compositions such as junctor, wherein cathode material have decisive influence to the performance of solid oxide fuel cell.
ABO3Perovskite composite oxide is the common cathode material of solid oxide fuel cell.Ideal ABO3Calcium
Titanium ore type structure belongs to cubic system, simple cubic lattice, and the ligancy that the ligancy of A is 12, B is 6, B in oxygen octahedra
The heart, the total vertex of these octahedrons, A is in eight octahedral gaps.For ABO3The cathode material of type perovskite structure, A
Position is usually rare earth element ion or alkaline-earth metal ions, generally La, Pr, Sm or Ba, Ca, Sr etc., and B are usually transition gold
Belong to ion, generally Mn, Co, Fe, Ni etc..(La, Sr) MnO3It is the Typical Representative of this kind of cathode material.
The chemical formula of the cathode material of Layered Perovskite structure can be expressed as LnBaCo2O5+δ, Ln represents La systems rare earth
Element, such as La, Pr, Nd, Sm, Gd, specifically, such laminated perovskite structure can be expressed as CoO2|LnOδ|CoO2|BaO|
CoO2, it is alternately arranged by different oxide skin(coating)s.With common ABO3Perovskite structure is compared, and primary structure difference is
By alternately arranged lanthanide oxide layer and alkaline-earth oxide layer instead of AO layers original, this alternately arranged rare earth oxide
Layer and alkaline-earth oxide layer structure weaken the bond strength of oxygen and other ions, improve the transmittability of oxonium ion, have
Better catalytic oxidation-reduction activity.
The cathode material LnBaCo of Layered Perovskite structure2O5+δConductivity Ratio it is relatively low, generally 100~350S/cm
Between, coefficient of thermal expansion (TEC) is larger, and about 22 × 10-6K-1, much deviate from oxidation zirconium base or ceria-based electrolyte material
The coefficient of thermal expansion of material is the major obstacle that they are applied to SOFC.
Invention content
The purpose of the present invention is to provide a kind of fuel battery negative pole composite materials of high conductivity.
The present invention also aims to provide a kind of preparation method of above-mentioned composite material and using the fuel of the material
Battery.
To achieve the above object, the technical solution of fuel battery negative pole composite material of the invention is：
A kind of fuel battery negative pole composite material, the fuel battery negative pole composite material have chemistry as follows
Formula：LaBaAgxCo2O5+δ；Wherein 0 x≤1 ＜.
The fuel battery negative pole composite material of the present invention is in perovskite composite oxide LaBaCo2O5+δOn the basis of,
In its structure by precious metals ag doping, ohm and polarization resistance of cathode material can be effectively reduced, improves conductivity, promoted
The redox ability of cathode material.And the noble metals such as Ag and Pd, Pt are compared more economically.
The value range of above-mentioned δ is 0≤δ≤1.
The technical solution of preparation method of the fuel battery negative pole composite material of the present invention is：
A kind of preparation method of fuel battery negative pole composite material, includes the following steps：
1) lanthanum source, barium source, cobalt source are uniformly mixed, 1.5~2.5h is then calcined at 980~1100 DEG C, obtains composite oxygen
Compound presoma；
2) the composite oxides presoma that step 1) obtains is uniformly mixed with silver oxide, at 850~900 DEG C calcine 3~
4h to get；The lanthanum source, barium source, the quality sum of cobalt source and silver oxide mass ratio be 100:(20~40)；
The preparation method of the present invention is using silver oxide as doped source in composite oxides LaBaCo2O5+δMiddle silver-doped.It is existing
Have in technology and to add metallic element in porous cathode material there are mainly two types of solutions, the first is in cathode oxide powder
Suitable metal powder is added in end by ball milling to realize doping, another kind is that the cathode oxide that will be prepared is immersed in gold
Doping is realized in the precursor solution of category.The material that first method obtains has higher interface resistance, second method
The amount of metal of obtained doping is relatively low.The present invention first by lanthanum source, barium source, cobalt source calcining be made presoma, then again with oxidation
It calcines, effectively noble silver is doped into cathode material structure, doping of the noble metal in composite oxides after silver mixing
More uniformly, so as to get composite material conductivity higher.
The lanthanum source is lanthana (La2O3).The barium source is barium carbonate (BaCO3).The cobalt source is cobalt oxide (Co2O3)
Or cobalt carbonate (Co2(CO3)3)。
Lanthanum source, barium source, the amount of cobalt source take according to the metering ratio in the chemical formula for wanting composite material obtained.Specifically,
Fuel battery negative pole composite material has chemical formula as follows：LaBaAgxCo2O5+δ；Wherein 0 x≤0.1 ＜.The value model of δ
It is 0≤δ≤1 to enclose.The value of δ can not Accurate Determining, can refer to LnBaCo in the prior art2O5+δThe value of middle δ.
It is 8~10h of ball milling after mixing lanthanum source, barium source, cobalt source with ball milling liquid to be uniformly mixed in step 1).
Ball milling parameter in the prior art may be used when ball milling, it is preferred that the ball milling uses zirconium oxide balls.It is preferred that
, ball material mass ratio when ball milling is (3~5):1.
Ball milling liquid can be ball milling liquid commonly used in the prior art, and main purpose is to promote each substance evenly dispersed, one
As, the ball milling liquid is water.
In order to remove ball milling liquid therein after ball milling, need to be dried.Specifically, 6h is dried after ball milling at 80 DEG C.
It is uniformly mixed in step 2) and various ways may be used, in general, also using ball milling method.Ball milling can be dry
Mill, can also be wet-milling.Ball-milling Time can be determined depending on the amount and ball mill parameter of raw material, in general, being uniformly mixed in step 2)
It is by presoma and 5~6h of silver oxide ball milling.
Under normal circumstances, composite material needs obtained make the effigurate sample of tool.The fuel battery negative pole
The preparation method of composite material further includes：The material obtained after calcining in step 2) is uniformly mixed with frit and PVA solution,
Be granulated, be then pressed into type to get.The pressure of the compression moulding is 10~20MPa.
The PVA solution be PVA water in solution, mass fraction be 8~12%.
The dosage of above-mentioned PVA solution is the LaBaCo for the Ag doping that the quality of PVA solution accounts for after calcining2O5+δComposite material
With the 7%~20% of the gross mass of frit.
Since the fusing point of Ag is relatively low (960 DEG C), the sintering temperature of cathode material is not above its fusing point, so being extremely difficult to
Densification, therefore frit is added to improve its sintered density.The amount of above-mentioned frit is according to the material and glass after calcining
The mass ratio of glass material is (80~90)：(10~20) take.
The technical solution of fuel cell of the present invention is：
A kind of fuel cell, including cathode, anode, the cathode include above-mentioned fuel battery negative pole composite material.
The beneficial effects of the invention are as follows：
The fuel battery negative pole composite material of the present invention compares traditional ABO3Type has better chemical property, hair
Electrical efficiency is high, is used in the high temperature stage, has wider array of application range.The preparation method of the cathode material of the present invention is simple,
Ag comes more economically, to reduce battery manufacturing cost compared with noble metals such as Pd, Pt.
Description of the drawings
The preparation method flow diagram of frit in Fig. 1 present invention；
Fig. 2 is that the conductivity of the composite sample in 1-3 of the embodiment of the present invention varies with temperature curve；
Fig. 3 is that the Arrhenius of the conductivity of the composite sample in 1-3 of the embodiment of the present invention schemes, according to the figure
The curve that Arrhenius equations are fitted.
Specific implementation mode
Technical scheme of the present invention is described further with reference to specific embodiment.
The frit used in following example is prepared using solid reaction process, and preparation flow is as shown in Figure 1.Specifically
, including with Bi2O3With Pb (BO2)2●H2O is raw material, according to mass ratio 3:4 weigh, and distilled water is added, in planetary ball in mixing
ZrO is used on grinding machine2The ball of medium after the abundant ball milling of 3h, will be taken with the rotating speed of 300r/min by the mixed slurry of ball milling
Go out, dry in an oven and grinds to obtain glass frit powder.
Embodiment 1
The fuel battery negative pole composite material of the present embodiment has chemical formula as follows：LaBaAgxCo2O5+δ, wherein x
=0.4.
The preparation method of the fuel battery negative pole composite material of the present embodiment includes the following steps：
1) La is stoichiometrically taken2O3、BaCO3、Co2O3As raw material, after mixing, planetary ball mill is added
In ball grinder, distilled water is added as ball milling liquid, ZrO is added2The abrading-ball of medium, ball material mass ratio are 3:1, abundant ball milling 8h；
Mixed slurry after ball milling is taken out, is put into baking oven and dries 6h at a temperature of 80 DEG C, then grinding obtains powder；By the powder
2h is calcined at 1000 DEG C, cooled to room temperature is taken out, obtains composite oxides presoma；
2) silver oxide is added in the composite oxides presoma that step 1) obtains, the quality of the silver oxide of addition accounts for raw material
Quality (i.e. La2O3、BaCO3、Co2O3Quality sum) 20%, then by the two mixing and ball milling 6h, 3h is calcined at 900 DEG C, is obtained
To the LaBaCo of Ag doping2O5+δComposite material；
3) LaBaCo for the Ag doping for obtaining step 2)2O5+δComposite material is with glass frit powder according to mass ratio 9:1 is mixed
It closes uniformly, then adds PVA solution and be uniformly mixed, be granulated, PVA solution is the solution of PVA in water, and mass fraction is
10%；The quality of the PVA solution of addition accounts for the LaBaCo of Ag doping2O5+δComposite material and the 20% of glass frit powder gross mass；
It is dry-pressing formed under the pressure of 10MPa with hand plate type sampling machine after granulation, sample is made, sample obtained is that size is 50mm*
The bar samples of 3mm*5mm.
The fuel cell of the present embodiment, including cathode, anode, electrolyte, the cathode include that above-mentioned fuel cell is cloudy
Pole composite material.
Embodiment 2
The fuel battery negative pole composite material of the present embodiment has chemical formula as follows：LaBaAgxCo2O5+δ, wherein x
=0.6.
The preparation method of the fuel battery negative pole composite material of the present embodiment includes the following steps：
1) La is stoichiometrically taken2O3、BaCO3、Co2O3As raw material, after mixing, planetary ball mill is added
In ball grinder, distilled water is added as ball milling liquid, ZrO is added2The abrading-ball of medium, ball material mass ratio are 3:1, abundant ball milling 8h；
Mixed slurry after ball milling is taken out, is put into baking oven and dries 6h at a temperature of 80 DEG C, then grinding obtains powder；By the powder
2h is calcined at 1000 DEG C, cooled to room temperature is taken out, obtains composite oxides presoma；
2) silver oxide is added in the composite oxides presoma that step 1) obtains, the quality of the silver oxide of addition accounts for raw material
Quality (i.e. La2O3、BaCO3、Co2O3Quality sum) 30%, then by the two mixing and ball milling 6h, 3h is calcined at 900 DEG C, is obtained
To the LaBaCo of Ag doping2O5+δComposite material；
3) LaBaCo for the Ag doping for obtaining step 2)2O5+δComposite material is with glass frit powder according to mass ratio 9:1 is mixed
It closes uniformly, then adds PVA solution and be uniformly mixed, be granulated, PVA solution is the solution of PVA in water, and mass fraction is
10%；The quality of the PVA of addition accounts for the LaBaCo of Ag doping2O5+δComposite material and the 20% of glass frit powder gross mass；It is granulated
It uses hand plate type sampling machine dry-pressing formed under the pressure of 10MPa afterwards, sample is made, sample obtained is that size is 50mm*3mm*
The bar samples of 5mm.
The fuel cell of the present embodiment, including cathode, anode, electrolyte, the cathode include that above-mentioned fuel cell is cloudy
Pole composite material.
Embodiment 3
The fuel battery negative pole composite material of the present embodiment has chemical formula as follows：LaBaAgxCo2O5+δ, wherein x
=0.8.
The preparation method of the fuel battery negative pole composite material of the present embodiment includes the following steps：
1) La is stoichiometrically taken2O3、BaCO3、Co2O3As raw material, after mixing, planetary ball mill is added
In ball grinder, distilled water is added as ball milling liquid, ZrO is added2The abrading-ball of medium, ball material mass ratio are 3:1, abundant ball milling 8h；
Mixed slurry after ball milling is taken out, is put into baking oven and dries 6h at a temperature of 80 DEG C, then grinding obtains powder；By the powder
2h is calcined at 1000 DEG C, cooled to room temperature is taken out, obtains composite oxides presoma；
2) silver oxide is added in the composite oxides presoma that step 1) obtains, the quality of the silver oxide of addition accounts for raw material
Quality (i.e. La2O3、BaCO3、Co2O3Quality sum) 40%, then by the two mixing and ball milling 6h, 3h is calcined at 900 DEG C, is obtained
To the LaBaCo of Ag doping2O5+δComposite material；
3) LaBaCo for the Ag doping for obtaining step 2)2O5+δComposite material is with glass frit powder according to mass ratio 9:1 is mixed
It closes uniformly, then adds PVA solution and be uniformly mixed, be granulated, PVA solution is the solution of PVA in water, and mass fraction is
10%；The quality of the PVA of addition accounts for the LaBaCo of Ag doping2O5+δComposite material and the 20% of glass frit powder gross mass；It is granulated
It uses hand plate type sampling machine dry-pressing formed under the pressure of 10MPa afterwards, sample is made, sample obtained is that size is 50mm*3mm*
The bar samples of 5mm.
The fuel cell of the present embodiment, including cathode, anode, electrolyte, the cathode include that above-mentioned fuel cell is cloudy
Pole composite material.
Embodiment 4
The fuel battery negative pole composite material of the present embodiment has chemical formula as follows：LaBaAgxCo2O5+δ, wherein x
=0.9.
The preparation method of the fuel battery negative pole composite material of the present embodiment includes the following steps：
1) La is stoichiometrically taken2O3、BaCO3、Co2O3As raw material, after mixing, planetary ball mill is added
In ball grinder, distilled water is added as ball milling liquid, ZrO is added2The abrading-ball of medium, ball material mass ratio are 5:1, abundant ball milling 8h；
Mixed slurry after ball milling is taken out, is put into baking oven and dries 6h at a temperature of 80 DEG C, then grinding obtains powder；By the powder
2.5h is calcined at 1050 DEG C, cooled to room temperature is taken out, obtains composite oxides presoma；
2) silver oxide is added in the composite oxides presoma that step 1) obtains, the quality of the silver oxide of addition accounts for raw material
Quality (i.e. La2O3、BaCO3、Co2O3Quality sum) 20%, then by the two mixing and ball milling 6h, 4h is calcined at 850 DEG C, is obtained
To the LaBaCo of Ag doping2O5+δComposite material；
3) LaBaCo for the Ag doping for obtaining step 2)2O5+δComposite material is with glass frit powder according to mass ratio 4:1 is mixed
It closes uniformly, then adds PVA solution and be uniformly mixed, be granulated, PVA solution is the solution of PVA in water, and mass fraction is
10%；The quality of the PVA of addition accounts for the LaBaCo of Ag doping2O5+δComposite material and the 20% of glass frit powder gross mass；It is granulated
It uses hand plate type sampling machine dry-pressing formed under the pressure of 20MPa afterwards, sample is made, sample obtained is that size is 50mm*3mm*
The bar samples of 5mm.
The fuel cell of the present embodiment, including cathode, anode, electrolyte, the cathode include that above-mentioned fuel cell is cloudy
Pole composite material.
Embodiment 5
The fuel battery negative pole composite material of the present embodiment has chemical formula as follows：LaBaAgxCo2O5+δ, wherein x
=1.
The preparation method of the fuel battery negative pole composite material of the present embodiment includes the following steps：
1) La is stoichiometrically taken2O3、BaCO3、Co2(CO3)3As raw material, after mixing, planetary type ball-milling is added
In the ball grinder of machine, distilled water is added as ball milling liquid, ZrO is added2The abrading-ball of medium, ball material mass ratio are 7:1, abundant ball milling
8h；Mixed slurry after ball milling is taken out, is put into baking oven and dries 6h at a temperature of 80 DEG C, then grinding obtains powder；It should
Powder calcines 1.5h at 1100 DEG C, and cooled to room temperature is taken out, obtains composite oxides presoma；
2) silver oxide is added in the composite oxides presoma that step 1) obtains, the quality of the silver oxide of addition accounts for raw material
Quality (i.e. La2O3、BaCO3、Co2(CO3)3Quality sum) 20%, then by the two mixing and ball milling 5h, calcined at 890 DEG C
3.5h obtains the LaBaCo of Ag doping2O5+δComposite material；
3) LaBaCo for the Ag doping for obtaining step 2)2O5+δComposite material is with glass frit powder according to mass ratio 4:1 is mixed
It closes uniformly, then adds PVA solution and be uniformly mixed, be granulated, PVA solution is the solution of PVA in water, and mass fraction is
10%；The quality of the PVA of addition accounts for the LaBaCo of Ag doping2O5+δComposite material and the 10% of glass frit powder gross mass；It is granulated
It uses hand plate type sampling machine dry-pressing formed under the pressure of 10MPa afterwards, sample is made, sample obtained is that size is 50mm*3mm*
The bar samples of 5mm.
The fuel cell of the present embodiment, including cathode, anode, electrolyte, the cathode include that above-mentioned fuel cell is cloudy
Pole composite material.
Test example
Bar samples obtained test its conductivity (σ) using DC four point probe method in Example 1-3, and test sample exists
Conductivity under different temperatures is simultaneously calculated.According to test and calculate as a result, electricity of the sample of embodiment 1-3 at 800 DEG C
Conductance and activation energy are as shown in table 1, and the conductivity variation with temperature curve of the sample of embodiment 1-3 is as shown in Fig. 2, embodiment
The Arrhenius figures of the conductivity of the sample of 1-3 are as shown in Figure 3.Wherein, in the activation energy data and Fig. 3 in table 1
Arrhenius figures are calculated according to the conductivity and temperature data of test.
Conductivity and activation energy of the sample of 1 embodiment 1-3 of table at 800 DEG C
| Composition | σ800(S/cm) | Ea(eV) |
| Embodiment 1 | 276 | 0.134 |
| Embodiment 2 | 382 | 0.124 |
| Embodiment 3 | 895 | 0.092 |
| Embodiment 4 | 1545 | 0.087 |
| Embodiment 5 | 312 | 0.119 |
Fuel battery negative pole composite material produced by the present invention has higher conductance it can be seen from table 1 and Fig. 2, Fig. 3
Rate, and with the raising of temperature, conductivity gradually increases, and when temperature is more than 400 DEG C, conductivity is in 200S/cm or more.
When the additive amount of silver oxide is 40% in composite material preparation process, the conductivity of material obtained can be at 400 DEG C or more
Reach 800S/cm or more.
Claims (10)
1. a kind of fuel battery negative pole composite material, which is characterized in that the fuel battery negative pole composite material has following institute
The chemical formula shown：LaBaAgxCo2O5+δ；Wherein 0 x≤1 ＜.
2. a kind of preparation method of fuel battery negative pole composite material, it is characterised in that：Include the following steps：
1) lanthanum source, barium source, cobalt source are uniformly mixed, 1.5~2.5h is then calcined at 980~1100 DEG C, obtains composite oxides
Presoma；
2) the composite oxides presoma that step 1) obtains is uniformly mixed with silver oxide, 3~4h is calcined at 850~900 DEG C, i.e.,
；The lanthanum source, barium source, the quality sum of cobalt source and silver oxide mass ratio be 100:(20~40).
3. the preparation method of fuel battery negative pole composite material according to claim 2, it is characterised in that：It is mixed in step 1)
Conjunction is uniformly by lanthanum source, barium source, 8~10h of cobalt source mixing and ball milling.
4. the preparation method of fuel battery negative pole composite material according to claim 3, it is characterised in that：The mixing ball
Mill is that 8~10h of ball milling liquid ball milling is added after mixing lanthanum source, barium source, cobalt source.
5. the preparation method of fuel battery negative pole composite material according to claim 4, it is characterised in that：The ball milling liquid
For water.
6. the preparation method of the fuel battery negative pole composite material according to claim 3-5 any one, it is characterised in that：
It is (3~7) that the ball milling, which uses zirconium oxide balls, ball material mass ratio,：1.
7. the preparation method of the fuel battery negative pole composite material according to claim 3-5 any one, it is characterised in that：
6h is dried after ball milling at 80 DEG C.
8. the preparation method of fuel battery negative pole composite material according to claim 2, it is characterised in that：It is mixed in step 2)
Conjunction is uniformly by composite oxides presoma and 5~6h of silver oxide ball milling.
9. the preparation method of fuel battery negative pole composite material according to claim 2, it is characterised in that：The fuel electricity
The preparation method of pool cathode composite material further includes：The material obtained after calcining in step 2) and frit and PVA solution is mixed
Close uniform, be granulated, be then pressed into type to get.
10. a kind of fuel cell, including cathode, anode, which is characterized in that the cathode includes combustion as described in claim 1
Expect cell cathode composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711447332.4A CN108281682A (en) | 2017-12-27 | 2017-12-27 | A kind of fuel battery negative pole composite material and preparation method, fuel cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711447332.4A CN108281682A (en) | 2017-12-27 | 2017-12-27 | A kind of fuel battery negative pole composite material and preparation method, fuel cell |
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|---|---|
| CN108281682A true CN108281682A (en) | 2018-07-13 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932299A (en) * | 2016-04-20 | 2016-09-07 | 江苏大学 | Cathode material with composite phase structure of intermediate-low-temperature solid oxide fuel cell |
-
2017
- 2017-12-27 CN CN201711447332.4A patent/CN108281682A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932299A (en) * | 2016-04-20 | 2016-09-07 | 江苏大学 | Cathode material with composite phase structure of intermediate-low-temperature solid oxide fuel cell |
Non-Patent Citations (1)
| Title |
|---|
| RUIFENG ET AL.: ""Performance of LaBaCo2O5+δ-Ag with B2O3-Bi2O3-PbO frit composite cathodes for intermediate-temperature solid oxide fuel cells"", 《JOURNAL OF POWER SOURCES》 * |
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Application publication date: 20180713 |