CN108987776A - A kind of intermediate temperature solid oxide fuel cell electrolyte and preparation method thereof - Google Patents
A kind of intermediate temperature solid oxide fuel cell electrolyte and preparation method thereof Download PDFInfo
- Publication number
- CN108987776A CN108987776A CN201810801907.6A CN201810801907A CN108987776A CN 108987776 A CN108987776 A CN 108987776A CN 201810801907 A CN201810801907 A CN 201810801907A CN 108987776 A CN108987776 A CN 108987776A
- Authority
- CN
- China
- Prior art keywords
- fuel cell
- solid oxide
- oxide fuel
- electrolyte
- intermediate temperature
- 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.)
- Granted
Links
- 239000003792 electrolyte Substances 0.000 title claims abstract description 48
- 239000000446 fuel Substances 0.000 title claims abstract description 27
- 239000007787 solid Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 60
- 239000000243 solution Substances 0.000 claims description 40
- 239000000843 powder Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 21
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 10
- 229910002651 NO3 Inorganic materials 0.000 claims description 10
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 10
- 239000000908 ammonium hydroxide Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 claims description 10
- 229910017604 nitric acid Inorganic materials 0.000 claims description 10
- 229910009112 xH2O Inorganic materials 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 5
- 239000012498 ultrapure water Substances 0.000 claims description 5
- 238000005868 electrolysis reaction Methods 0.000 claims description 3
- 150000001768 cations Chemical class 0.000 claims 1
- 238000009841 combustion method Methods 0.000 abstract description 3
- 238000010532 solid phase synthesis reaction Methods 0.000 description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 238000003980 solgel method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003746 solid phase reaction Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M8/124—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte
- H01M8/1246—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides
- H01M8/1266—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides the electrolyte containing bismuth oxide
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M2008/1293—Fuel cells with solid oxide electrolytes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention belongs to fuel-cell electrolytes, and in particular to a kind of intermediate temperature solid oxide fuel cell electrolyte and preparation method thereof.The present invention uses sol-gel combustion method, electrolyte Bi7WO13.5.The electrolyte in air atmosphere 700 DEG C when ionic conductivity reach 0.028S/cm.Electrolyte performance of the invention is excellent, sufficiently lowers the operating temperature of electrolyte, and operating temperature has high conductivity in medium temperature (500 DEG C -700 DEG C) range.
Description
Technical field
The invention belongs to fuel-cell electrolytes, and in particular to a kind of intermediate temperature solid oxide fuel cell electrolyte and its
Preparation method.
Background technique
The problem of demand with the whole world to the energy is growing, and countries in the world government gradually payes attention to environmental degradation.Traditional energy
Source system will be unable to adapt to society to efficient, cleaning, the requirement of safe, economic energy system, and the development of the energy will face huge
Big challenge, therefore fuel cell will become 21st century important energy source device.Solid oxide fuel cell (SOFC)
The chemical energy in fossil class A fuel A is set to be converted into electric energy by electrochemical reaction process, due to not having burning and mechanical mistake
Journey greatly improves energy conversion efficiency, avoid or reduces the generation of the pollutants such as toxic gas and dust；SOFC's
For operating temperature at 500 DEG C ~ 1000 DEG C, byproduct is the heat and vapor of high-quality, in the case where heat-electricity supply, energy
Utilization rate is up to 80% or so, is a kind of energy resource system of clean and effective.
The operating temperature for the SOFC being commercially employed at present works at such high temperatures generally all at 1000 DEG C
So that there are many problems by SOFC: electrode densification, metallic interconnection materials require high and battery hermetization bad etc., big with this
The cost for increasing SOFC greatly limits its business development.In order to which SOFC commercialized development must just reduce its operating temperature,
And electrolyte is as the part of core the most in SOFC, if electrolyte can obtain good property at relatively low temperatures
Can, then it can obtain the ideal SOFC of medium temperature.Traditional electrolyte has not been suitable for working under medium temperature environment, so must
It must exploitation Novel electrolytic material.Electrolyte of the invention can obtain high conductivity under medium temperature operating condition, with
Meet the electrolyte that can be used in middle low temperature SOFC required at present.
Important method of the sol-gel processing as synthetic inorganic material under low temperature or temperate condition, accounts in chemical synthesis
There is critical role, this method can make reactant uniformly be mixed on a molecular scale.It is generally acknowledged that colloidal sol-gel
Component is diffused in nanometer range in system, and when solid phase reaction diffusion of components is in micron range.With solid phase reaction phase
Than sol-gel processing chemical reaction is easier to carry out；It is evenly distributed in addition, sample particle diameter is made in sol-gal process, and can
To control partial size by control reaction condition, and different microstructures is made, to influence the performance of sample.The present invention is exactly
Electrolyte is prepared using sol-gel processing.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of intermediate temperature solid oxide fuel cell electrolysis
Matter and preparation method thereof.Electrolyte in air atmosphere 700 DEG C when ionic conductivity reach 0.028S/cm.Electrolysis of the invention
Matter is had excellent performance, and sufficiently lowers the operating temperature of electrolyte, has high conductance in medium temperature (500 DEG C -700 DEG C) range
Rate.
To achieve the purpose of the present invention, it adopts the following technical scheme that
A kind of intermediate temperature solid oxide fuel cell electrolyte, the electrolyte are Bi7WO13.5Electrolyte, in air atmosphere
Ionic conductivity reaches 0.028S/cm at lower 700 DEG C.
A method of preparing intermediate temperature solid oxide fuel cell electrolyte as described above, comprising the following steps:
1) Bi7WO13.5The preparation of powder:
1. pressing Bi7WO13.5Stoichiometric ratio weigh Bi (NO3)3·5H2O、(NH4)6H2W12O40·xH2O, and by metal sun from
The molar ratio of son and citric acid is that 1:1.5 weighs citric acid；
2. by Bi (NO3)3·5H2O, which is dissolved in nitric acid solution, is made bismuth nitrate solution；
3. respectively by (NH4)6H2W12O40·xH2O and citric acid, which are added in ultrapure water, to be dissolved；
4. by step 3. gained (NH4)6H2W12O40Solution, citric acid solution successively pour into bismuth nitrate solution, and into solution
Ammonium hydroxide is added dropwise, to adjust solution ph as 7；
5. 4. mixed solution that step is obtained, which is put into blender, is heated to 70 DEG C, then it is maintained at 70 DEG C and continuously stirs,
Until forming gel；
6. gel is moved into evaporating dish, it is placed on electric furnace and heats, until self-propagating combustion, which occurs, forms fluffy oxidate powder
End；
7. gained oxide powder is heated to 800 ± 10 DEG C, 8 ± 0.1 hours are kept the temperature, then natural cooling, is formed
Bi7WO13.5Powder；
2) by Bi obtained7WO13.5Powder is fully ground, and is put into mold, and under the pressure of 150MPa, disk is made, and will be justified
Piece is heated to 850 ± 10 DEG C with certain heating rate, keeps the temperature 10 ± 0.1 hours, obtains intermediate temperature solid oxide fuel cell
Electrolyte disk.
Step 2. described in nitric acid solution mass concentration be 60%-68%.
Step 4. described in ammonium hydroxide mass concentration be 15%-20%.
The diameter of disk described in step 2 is 12 ± 0.1mm, with a thickness of 2 ± 0.1mm.
Heating rate described in step 2 is 3 DEG C/min.
The present invention has the advantage that compared with the prior art
The present invention is prepared to improve the performance of intermediate temperature solid oxide fuel cell electrolyte using sol-gel combustion method
Novel B i7WO13.5Electrolyte keeps the temperature 10 hours composite electrolyte pieces through 850 DEG C, in air atmosphere 700 DEG C when ion-conductance
Conductance reaches 0.028S/cm, higher than the common electrolyte Ce prepared with identical sol-gel combustion method0.8Gd0.2O1.9Conductivity
0.015S/cm, and it is higher than the Bi prepared using solid phase method7WO13.5The conductivity 0.021S/cm of electrolyte, therefore the electrolyte has
There is the characteristics of largely effective reduction temperature of fuel cell.
Detailed description of the invention
Fig. 1 is that sol-gal process and the resulting Bi of Solid phase synthesis is respectively adopted7WO13.5The XRD diagram of sample；
Fig. 2 is for sol-gal process and the resulting Bi of Solid phase synthesis is respectively adopted7WO13.5The conductance of sample at different temperatures
Rate figure.
Specific embodiment
Further to disclose rather than the present invention is limited, the present invention is described in further detail below in conjunction with example.
Embodiment 1
A method of preparing intermediate temperature solid oxide fuel cell electrolyte, comprising the following steps:
1) Bi7WO13.5The preparation of powder:
1. pressing Bi7WO13.5Stoichiometric ratio weigh Bi (NO3)3·5H2O、(NH4)6H2W12O40·xH2O, and by metal sun from
The molar ratio of son and citric acid is that 1:1.5 weighs citric acid；
2. by Bi (NO3)3·5H2O, which is dissolved in nitric acid solution, is made bismuth nitrate solution；
3. respectively by (NH4)6H2W12O40·xH2O and citric acid, which are added in ultrapure water, to be dissolved；
4. by step 3. gained (NH4)6H2W12O40Solution, citric acid solution successively pour into bismuth nitrate solution, and into solution
Ammonium hydroxide is added dropwise, to adjust solution ph as 7；
5. 4. mixed solution that step is obtained, which is put into blender, is heated to 70 DEG C, then it is maintained at 70 DEG C and continuously stirs,
Until forming gel；
6. gel is moved into evaporating dish, it is placed on electric furnace and heats, until self-propagating combustion, which occurs, forms fluffy oxidate powder
End；
7. gained oxide powder is heated to 800 DEG C, 8 ± 0.1 hours are kept the temperature, then natural cooling, forms Bi7WO13.5Powder
End；
2) by Bi obtained7WO13.5Powder is fully ground, and is put into mold, and under the pressure of 150MPa, disk is made, and will be justified
Piece is heated to 850 DEG C with certain heating rate, keeps the temperature 10h, obtains intermediate temperature solid oxide fuel cell electrolyte disk.
Step 2. described in nitric acid solution mass concentration be 60%.
Step 4. described in ammonium hydroxide mass concentration be 15%.
The diameter of disk described in step 2 is 12 ± 0.1mm, with a thickness of 2 ± 0.1mm.
Heating rate described in step 2 is 3 DEG C/min.
Embodiment 2
A method of preparing intermediate temperature solid oxide fuel cell electrolyte as described above, comprising the following steps:
1) Bi7WO13.5The preparation of powder:
1. pressing Bi7WO13.5Stoichiometric ratio weigh Bi (NO3)3·5H2O、(NH4)6H2W12O40·xH2O, and by metal sun from
The molar ratio of son and citric acid is that 1:1.5 weighs citric acid；
2. by Bi (NO3)3·5H2O, which is dissolved in nitric acid solution, is made bismuth nitrate solution；
3. respectively by (NH4)6H2W12O40·xH2O and citric acid, which are added in ultrapure water, to be dissolved；
4. by step 3. gained (NH4)6H2W12O40Solution, citric acid solution successively pour into bismuth nitrate solution, and into solution
Ammonium hydroxide is added dropwise, to adjust solution ph as 7；
5. 4. mixed solution that step is obtained, which is put into blender, is heated to 70 DEG C, then it is maintained at 70 DEG C and continuously stirs,
Until forming gel；
6. gel is moved into evaporating dish, it is placed on electric furnace and heats, until self-propagating combustion, which occurs, forms fluffy oxidate powder
End；
7. gained oxide powder is heated to 810 DEG C, 8.1h is kept the temperature, then natural cooling, forms Bi7WO13.5Powder；
2) by Bi obtained7WO13.5Powder is fully ground, and is put into mold, and under the pressure of 150MPa, disk is made, and will be justified
Piece is heated to 860 DEG C with certain heating rate, keeps the temperature 10.1 hours, obtains intermediate temperature solid oxide fuel cell electrolyte circle
Piece.
Step 2. described in nitric acid solution mass concentration be 68%.
Step 4. described in ammonium hydroxide mass concentration be 20%.
The diameter of disk described in step 2 is 12 ± 0.1mm, with a thickness of 2 ± 0.1mm.
Heating rate described in step 2 is 3 DEG C/min.
Embodiment 3
A method of preparing intermediate temperature solid oxide fuel cell electrolyte as described above, comprising the following steps:
1) Bi7WO13.5The preparation of powder:
1. pressing Bi7WO13.5Stoichiometric ratio weigh Bi (NO3)3·5H2O、(NH4)6H2W12O40·xH2O, and by metal sun from
The molar ratio of son and citric acid is that 1:1.5 weighs citric acid；
2. by Bi (NO3)3·5H2O, which is dissolved in nitric acid solution, is made bismuth nitrate solution；
3. respectively by (NH4)6H2W12O40·xH2O and citric acid, which are added in ultrapure water, to be dissolved；
4. by step 3. gained (NH4)6H2W12O40Solution, citric acid solution successively pour into bismuth nitrate solution, and into solution
Ammonium hydroxide is added dropwise, to adjust solution ph as 7；
5. 4. mixed solution that step is obtained, which is put into blender, is heated to 70 DEG C, then it is maintained at 70 DEG C and continuously stirs,
Until forming gel；
6. gel is moved into evaporating dish, it is placed on electric furnace and heats, until self-propagating combustion, which occurs, forms fluffy oxidate powder
End；
7. gained oxide powder is heated to 790 DEG C, 7.9 hours are kept the temperature, then natural cooling, forms Bi7WO13.5Powder；
2) by Bi obtained7WO13.5Powder is fully ground, and is put into mold, and under the pressure of 150MPa, disk is made, and will be justified
Piece is heated to 840 DEG C with certain heating rate, keeps the temperature 9.9 hours, obtains intermediate temperature solid oxide fuel cell electrolyte circle
Piece.
Step 2. described in nitric acid solution mass concentration be 64%.
Step 4. described in ammonium hydroxide mass concentration be 18%.
The diameter of disk described in step 2 is 12 ± 0.1mm, with a thickness of 2 ± 0.1mm.
Heating rate described in step 2 is 3 DEG C/min.
The test method of conductivity:
The conductance for alternating current of electrolyte is measured using two-terminal method.It is resulting after being sintered 10 ± 0.1 hours at 850 ± 10 DEG C
Bi7WO13.Silver paste is coated on electrolyte disk two sides, and silver electrode is then made after 450 DEG C of roasting 2h.With filamentary silver by the silver at both ends
Electrode is connect with alternating current impedance instrument.The alternating current impedance instrument used is 1000 electrification of Interface for U.S.'s Gamry company model
Work station is learned, using current potential 10mV, measures frequency range 1Hz-1MHz, the temperature for measuring conductance for alternating current is 500-800 DEG C, in sky
It is measured in gas atmosphere.Conductivity is calculated using following formula:
In formula, σ is electrolytic conductivity, S/cm；
H is electrolyte sheet thickness, unit cm；
R is bath resistance, unit Ω；
S is electrolyte sheet cross-sectional area, unit cm2。
Ionic conductivity is 0.028S/cm at 700 DEG C.
Purposes: intermediate temperature solid oxide fuel cell is used for as electrolyte.
Fig. 1 is that sol-gal process and the resulting Bi of Solid phase synthesis is respectively adopted7WO13.5The XRD diagram of sample, as seen from the figure:
Sol-gal process (curve above) and solid phase method (following curve) all successfully synthesize Bi7WO13.5Sample and without extra miscellaneous
Mutually generate.Illustrate successfully synthesize Bi using sol-gal process7WO13.5。
Fig. 2 is that sol-gal process and the resulting Bi of Solid phase synthesis is respectively adopted7WO13.5The electricity of sample at different temperatures
Conductance figure.As can be known from Figure: from 500 DEG C to 700 in DEG C this temperature range, Bi made from sol-gel method7WO13.5Sample
Conductivity under different test temperatures is all compared with Bi made from solid phase method7WO13.5The conductivity of sample is higher, reaches at 700 DEG C
0.028 S/cm, and sample obtained by solid phase method is 0.021 S/cm at 700 DEG C.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, is all covered by the present invention.
Claims (6)
1. a kind of intermediate temperature solid oxide fuel cell electrolyte, it is characterised in that: the electrolyte is Bi7WO13.5Electrolysis
Matter, in air atmosphere 700 DEG C when ionic conductivity reach 0.028S/cm.
2. a kind of method for preparing intermediate temperature solid oxide fuel cell electrolyte as described in claim 1, it is characterised in that:
The following steps are included:
1) Bi7WO13.5The preparation of powder:
1. pressing Bi7WO13.5Stoichiometric ratio weigh Bi (NO3)3·5H2O、(NH4)6H2W12O40·xH2O, and press metal cation
Molar ratio with citric acid is that 1:1.5 weighs citric acid；
2. by Bi (NO3)3·5H2O, which is dissolved in nitric acid solution, is made bismuth nitrate solution；
3. respectively by (NH4)6H2W12O40·xH2O and citric acid, which are added in ultrapure water, to be dissolved；
4. by step 3. gained (NH4)6H2W12O40Solution, citric acid solution successively pour into bismuth nitrate solution, and into solution by
It is added dropwise to ammonium hydroxide, to adjust solution ph as 7；
5. 4. mixed solution that step is obtained, which is put into blender, is heated to 70 DEG C, then it is maintained at 70 DEG C and continuously stirs,
Until forming gel；
6. gel is moved into evaporating dish, it is placed on electric furnace and heats, until self-propagating combustion, which occurs, forms fluffy oxidate powder
End；
7. gained oxide powder is heated to 800 ± 10 DEG C, 8 ± 0.1 hours are kept the temperature, then natural cooling, forms Bi7WO13.5
Powder；
2) by Bi obtained7WO13.5Powder is fully ground, and is put into mold, and under the pressure of 150MPa, disk is made, and will be justified
Piece is heated to 850 ± 10 DEG C with certain heating rate, keeps the temperature 10 ± 0.1 hours, obtains intermediate temperature solid oxide fuel cell
Electrolyte disk.
3. the method according to claim 2 for preparing intermediate temperature solid oxide fuel cell electrolyte, it is characterised in that: step
Suddenly 2. described in nitric acid solution mass concentration be 60%-68%.
4. the method according to claim 2 for preparing intermediate temperature solid oxide fuel cell electrolyte, it is characterised in that: step
Suddenly 4. described in ammonium hydroxide mass concentration be 15%-20%.
5. the method according to claim 2 for preparing intermediate temperature solid oxide fuel cell electrolyte, it is characterised in that: step
It is rapid 2) described in disk diameter be 12 ± 0.1mm, with a thickness of 2 ± 0.1mm.
6. the method according to claim 2 for preparing intermediate temperature solid oxide fuel cell electrolyte, it is characterised in that: step
It is rapid 2) described in heating rate be 3 DEG C/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810801907.6A CN108987776B (en) | 2018-07-20 | 2018-07-20 | Medium-temperature solid oxide fuel cell electrolyte and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810801907.6A CN108987776B (en) | 2018-07-20 | 2018-07-20 | Medium-temperature solid oxide fuel cell electrolyte and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108987776A true CN108987776A (en) | 2018-12-11 |
| CN108987776B CN108987776B (en) | 2021-10-29 |
Family
ID=64548807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810801907.6A Expired - Fee Related CN108987776B (en) | 2018-07-20 | 2018-07-20 | Medium-temperature solid oxide fuel cell electrolyte and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108987776B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638325A (en) * | 2018-12-18 | 2019-04-16 | 福州大学 | A kind of intermediate temperature solid oxide fuel cell electrolyte of strontium doping |
| CN109713348A (en) * | 2018-12-26 | 2019-05-03 | 合肥学院 | It is a kind of to prepare bismuth oxide base electrolyte material Bi using the combustion-supporting method of microwave1-xAxO1.5-δMethod |
| CN110828873A (en) * | 2019-11-19 | 2020-02-21 | 福州大学 | Preparation method of oxygen ion conduction medium-temperature solid oxide fuel cell electrolyte |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904351A (en) * | 2014-03-06 | 2014-07-02 | 湖南有色金属研究院 | Scandium oxide doped bismuth oxide solid oxide fuel cell electrolyte and preparation method thereof |
| CN106684412A (en) * | 2017-01-11 | 2017-05-17 | 福州大学 | Proton conduction intermediate-temperature solid oxide fuel cell electrolyte and preparation method thereof |
| CN106848359A (en) * | 2017-04-06 | 2017-06-13 | 福州大学 | A kind of intermediate temperature solid oxide fuel cell electrolyte and preparation method thereof |
| CN107230795A (en) * | 2017-05-23 | 2017-10-03 | 福州大学 | A kind of intermediate temperature solid oxide fuel cell electrolyte for possessing proton conductivity |
| CN108134119A (en) * | 2017-12-26 | 2018-06-08 | 成都新柯力化工科技有限公司 | A kind of solid oxide fuel cell bismuth oxide base electrolyte film and preparation method |
| CN108232303A (en) * | 2018-01-17 | 2018-06-29 | 福州大学 | Oxygen ion conduction intermediate temperature solid oxide fuel cell electrolyte preparation method |
-
2018
- 2018-07-20 CN CN201810801907.6A patent/CN108987776B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904351A (en) * | 2014-03-06 | 2014-07-02 | 湖南有色金属研究院 | Scandium oxide doped bismuth oxide solid oxide fuel cell electrolyte and preparation method thereof |
| CN106684412A (en) * | 2017-01-11 | 2017-05-17 | 福州大学 | Proton conduction intermediate-temperature solid oxide fuel cell electrolyte and preparation method thereof |
| CN106848359A (en) * | 2017-04-06 | 2017-06-13 | 福州大学 | A kind of intermediate temperature solid oxide fuel cell electrolyte and preparation method thereof |
| CN107230795A (en) * | 2017-05-23 | 2017-10-03 | 福州大学 | A kind of intermediate temperature solid oxide fuel cell electrolyte for possessing proton conductivity |
| CN108134119A (en) * | 2017-12-26 | 2018-06-08 | 成都新柯力化工科技有限公司 | A kind of solid oxide fuel cell bismuth oxide base electrolyte film and preparation method |
| CN108232303A (en) * | 2018-01-17 | 2018-06-29 | 福州大学 | Oxygen ion conduction intermediate temperature solid oxide fuel cell electrolyte preparation method |
Non-Patent Citations (3)
| Title |
|---|
| A. BOROWSKA-CENTKOWSKA等: "Local structure and conductivity behaviour in Bi7WO13.5", 《J. MATER. CHEM. A》 * |
| AKITERU WATANABE等: "Thermostable region of an oxide ion conductor, Bi7WO13.5 (=7Bi2O3•2WO3), and the solid solubility extension", 《SOLID STATE IONICS》 * |
| 苏莎 等: "氧化铋基固体氧化物燃料电池电解质研究进展", 《湖南有色金属》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638325A (en) * | 2018-12-18 | 2019-04-16 | 福州大学 | A kind of intermediate temperature solid oxide fuel cell electrolyte of strontium doping |
| CN109638325B (en) * | 2018-12-18 | 2022-03-15 | 福州大学 | Strontium-doped medium-temperature solid oxide fuel cell electrolyte |
| CN109713348A (en) * | 2018-12-26 | 2019-05-03 | 合肥学院 | It is a kind of to prepare bismuth oxide base electrolyte material Bi using the combustion-supporting method of microwave1-xAxO1.5-δMethod |
| CN110828873A (en) * | 2019-11-19 | 2020-02-21 | 福州大学 | Preparation method of oxygen ion conduction medium-temperature solid oxide fuel cell electrolyte |
| CN110828873B (en) * | 2019-11-19 | 2022-06-03 | 福州大学 | Preparation method of oxygen ion conduction medium-temperature solid oxide fuel cell electrolyte |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108987776B (en) | 2021-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106684412B (en) | One proton conducts intermediate temperature solid oxide fuel cell electrolyte and preparation method | |
| CN105633439B (en) | A kind of intermediate temperature solid oxide fuel cell electrolyte and preparation method thereof | |
| CN108987776A (en) | A kind of intermediate temperature solid oxide fuel cell electrolyte and preparation method thereof | |
| CN106848359B (en) | A kind of intermediate temperature solid oxide fuel cell electrolyte and preparation method thereof | |
| CN106920979A (en) | One kind of proton conducts intermediate temperature solid oxide fuel cell electrolyte and its preparation | |
| CN107134584B (en) | Medium-temperature solid oxide fuel cell electrolyte and preparation method thereof | |
| CN106887626B (en) | Intermediate temperature solid oxide fuel cell composite electrolyte and preparation method thereof | |
| CN111584882B (en) | Solid oxide fuel cell with novel structure and preparation method thereof | |
| CN108232303A (en) | Oxygen ion conduction intermediate temperature solid oxide fuel cell electrolyte preparation method | |
| CN105655618B (en) | One kind melts mixed type intermediate temperature solid oxide fuel cell electrolyte admittedly | |
| CN106207238A (en) | A kind of molten salts compound intermediate temperature solid oxide fuel cell electrolyte | |
| CN110649300A (en) | Electrolyte of alkaline earth metal doped proton conduction intermediate-temperature solid oxide fuel cell | |
| CN108346812B (en) | A-site doped medium-temperature solid oxide fuel cell electrolyte and preparation method thereof | |
| CN106935889B (en) | A kind of intermediate temperature solid oxide fuel cell electrolyte of oxygen ion conduction | |
| CN108365244B (en) | Yttrium-doped proton conduction medium-temperature solid oxide fuel cell electrolyte | |
| CN107230795B (en) | Electrolyte of intermediate-temperature solid oxide fuel cell with proton conductivity | |
| CN106711481B (en) | A kind of intermediate temperature solid oxide fuel cell composite electrolyte and preparation method thereof | |
| CN107171011A (en) | A kind of In doping intermediate temperature solid oxide fuel cell electrolyte | |
| CN107171009B (en) | Electrolyte of double-doped medium-temperature solid oxide fuel cell and preparation thereof | |
| CN108110289B (en) | Proton-conducting medium-low temperature solid oxide fuel cell electrolyte | |
| CN110828873B (en) | Preparation method of oxygen ion conduction medium-temperature solid oxide fuel cell electrolyte | |
| CN108123156B (en) | Preparation method of composite membrane electrode of fuel cell | |
| CN109638325A (en) | A kind of intermediate temperature solid oxide fuel cell electrolyte of strontium doping | |
| KR20140120170A (en) | Method for manufacturing ceramic powder for protective layer of metallic seperator of solid oxide fuel cell and protective layer thereof | |
| CN107221690A (en) | A kind of codope intermediate temperature solid oxide fuel cell electrolyte |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211029 |