CN101901915B - Preparation of sulfur-oxygen solid oxide fuel cell anode - Google Patents
Preparation of sulfur-oxygen solid oxide fuel cell anode Download PDFInfo
- Publication number
- CN101901915B CN101901915B CN201010228657A CN201010228657A CN101901915B CN 101901915 B CN101901915 B CN 101901915B CN 201010228657 A CN201010228657 A CN 201010228657A CN 201010228657 A CN201010228657 A CN 201010228657A CN 101901915 B CN101901915 B CN 101901915B
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- CN
- China
- Prior art keywords
- sulfur
- anode
- solid oxide
- fuel cell
- oxide fuel
- Prior art date
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Classifications
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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
Abstract
The invention provides preparation of a sulfur-oxygen solid oxide fuel cell anode, and belongs to the field of novel fuel cells and energy conservation technology in production in the chemical industry. Solid electrolyte of a sulfur-oxygen solid oxide fuel cell is Ce0.8Sm0.2O1.9; the cathode is La0.5Sr0.5MnO3; and the anode is La0.8Pr0.2CrO3. The working temperature of the cell with sulfur steam as fuel is 700 to 800 DEG C, the working temperature of the cell with sulfur dioxide as fuel is 500 to 700 DEG C, and the reaction product of the cell is sulfur trioxide. The sulfur-oxygen solid oxide fuel cell can be used as a synthesizer for industrially producing sulfuric acid, so the triune combination of sulfuric acid production, chemical power generation and environmental protection is realized.
Description
Technical field:
The invention belongs to new fuel cell and Chemical Manufacture field of energy-saving technology, be specifically related to the preparation of sulfur-oxygen solid oxide fuel cell anode.
Background technology:
Chemical industry is high energy-consuming industry, and how to reduce the energy consumption of Chemical Manufacture be one of key problem of China's chemical research to sophistication.Sulfuric acid is a kind of purposes chemical products very widely, exists always in the existing sulfuric acid production process that a large amount of chemical energy are converted into heat energy and the problem that is wasted, and how reclaiming these energy is one of directions of sulfuric acid production process reform.
It is raw material that patent (ZL200510022638.6) has proposed with sulphur, uses the method for SOFC as the sulfuric acid synthesizer, realizes gas washing in SA production, Chemically generation and the Trinitarian combination of environmental protection.Patent (ZL200810022107.0) has proposed La
0.8Ca
0.2CrO
3Be the anode material of sulfur-oxygen solid oxide fuel cell, output voltage can reach 0.63-0.67V.It is the preparation method of the anode of solid oxide fuel cell of fuel that patent (ZL200810022243.X) has proposed with sulfur dioxide.Continuing the more superior anode material of catalytic performance in the research and development sulfur-oxygen solid oxide fuel cell, is the important step of improving the sulfur-oxygen solid oxide fuel cell performance.
Summary of the invention:
It is fuel that sulfur-oxygen solid oxide fuel cell of the present invention adopts sulphur or sulfur dioxide, and the battery product is a sulfur trioxide.The key technology of sulfur-oxygen solid oxide fuel cell is the anode material of preparation battery, and the present invention provides a kind of preparation of sulfur-oxygen solid oxide fuel cell anode.
The sulfur-oxygen solid oxide fuel cell anode slurry preparation step is: according to La
0.8Pr
0.2CrO
3Stoichiometric proportion takes by weighing La
2O
3, Pr
6O
11And Cr
2O
3Grind, compressing tablet is pulverized through 1200 ℃ of roastings after again, and getting 360 order minus sieves, to add 3% polyvinyl butyral resin be binding agent, and 10% ethyl cellulose is a pore forming agent, through ball milling after 5 hours, and 50 ℃ of oven dry, being dispersed in the terpinol is La
0.8Pr
0.2CrO
3Anode slurry.
Sulfur-oxygen solid oxide fuel cell cathode slurry preparation process is: according to La
0.5Sr
0.5MnO
3Stoichiometric proportion takes by weighing La
2O
3, SrCO
3And MnCO
3Grind, compressing tablet is pulverized through 1200 ℃ of roastings after again, and getting 360 order minus sieves, to add 3% polyvinyl butyral resin be binding agent, and 10% ethyl cellulose is a pore forming agent, through ball milling after 5 hours, and 50 ℃ of oven dry, being dispersed in the terpinol is La
0.5Sr
0.5MnO
3Cathode slurry.
The solid electrolyte substrate preparation step of sulfur-oxygen solid oxide fuel cell is: according to Ce
0.8Sm
0.2O
1.9Stoichiometric proportion takes by weighing Ce (NO
3)
36H
2O and Sm (NO
3)
36H
2O is dissolved in water, and adding ammoniacal liquor in the stirring is 8 to pH, filtration, the dry back 500 ℃ of roastings of filtrate 2 hours, the Ce that obtains after the cooling
0.8Sm
0.2O
1.9The powder compressing tablet is the solid electrolyte substrate.
On the one side of substrate, apply La
0.5Sr
0.5MnO
3Cathode slurry applies La on the another side
0.8Pr
0.2CrO
3Anode slurry, the substrate after the coating is through 1400 ℃ of roastings.The negative electrode bubbling air or the oxygen of sulfur-oxygen solid oxide fuel cell, oxygen partial pressure are 20-100kPa, flow velocity 100-500cm
3/ min; When anode feeding sulfur vapor was battery fuel, the sulfur vapor dividing potential drop was 100-120kPa, flow velocity 70-200cm
3/ min, working temperature is 700-800 ℃; When anode feeding sulfur dioxide was battery fuel, the sulfur dioxide dividing potential drop was 100-120kPa, flow velocity 70-200cm
3/ min, working temperature is 500-700 ℃; The cell reaction product is a sulfur trioxide.
Embodiment:
Instance 1
Sulfur-oxygen solid oxide fuel cell adopts Ce
0.8Sm
0.2O
1.9The powder compressing tablet becomes the solid electrolyte substrate, on the one side of substrate, applies La
0.5Sr
0.5MnO
3Cathode slurry applies La on the another side
0.8Pr
0.2CrO
3Anode slurry, the sheet base after the coating is through 1400 ℃ of roastings.Galvanic anode feeds S
(g), dividing potential drop is 120kPa, flow velocity 200cm
3/ min; Cell cathode aerating oxygen, pressure are 100kPa, flow velocity 100cm
3/ min; Battery operated temperature is 800 ℃, and cell output voltage is 0.73V.
Instance 2
Sulfur-oxygen solid oxide fuel cell adopts Ce
0.8Sm
0.2O
1.9The powder compressing tablet becomes the solid electrolyte substrate, on the one side of substrate, applies La
0.5Sr
0.5MnO
3Cathode slurry applies La on the another side
0.8Pr
0.2CrO
3Anode slurry.Sheet base after the coating is through 1400 ℃ of roastings.Galvanic anode feeds S
(g), dividing potential drop is 100kPa, flow velocity 70cm
3/ min; Cell cathode bubbling air, pressure are 100kPa, and oxygen partial pressure is 21kPa, flow velocity 500cm
3/ min; Battery operated temperature is 700 ℃, and cell output voltage is 0.68V.
Instance 3
Sulfur-oxygen solid oxide fuel cell adopts Ce
0.8Sm
0.2O
1.9The powder compressing tablet becomes the solid electrolyte substrate, on the one side of substrate, applies La
0.5Sr
0.5MnO
3Cathode slurry applies La on the another side
0.8Pr
0.2CrO
3Anode slurry, the sheet base after the coating is through 1400 ℃ of roastings.The negative electrode aerating oxygen of battery, pressure are 100kPa, flow velocity 100cm
3/ min; Anode leads to sulfur dioxide gas, and dividing potential drop is 120kPa, flow velocity 200cm
3/ min, battery operated temperature is 500 ℃, cell output voltage is 0.19V.
Instance 4
Sulfur-oxygen solid oxide fuel cell adopts Ce
0.8Sm
0.2O
1.9The powder compressing tablet becomes the solid electrolyte substrate, on the one side of substrate, applies La
0.5Sr
0.5MnO
3Cathode slurry applies La on the another side
0.8Pr
0.2CrO
3Anode slurry, the sheet base after the coating is through 1400 ℃ of roastings.The negative electrode bubbling air of battery, flow velocity 500cm
3/ min; Anode leads to sulfur dioxide gas, and dividing potential drop is 100kPa, flow velocity 70cm
3/ min, battery operated temperature is 700 ℃, cell output voltage is 0.15V.
Claims (1)
1. the preparation method of a sulfur-oxygen solid oxide fuel cell anode, it is characterized in that: this battery anode material is La
0.8Pr
0.2CrO
3, battery is that the working temperature of fuel is 700-800 ℃ with the sulfur vapor, and battery is that the working temperature of fuel is 500-700 ℃ with sulfur dioxide, and the cell reaction product is a sulfur trioxide; The preparation process of anode is: according to La
0.8Pr
0.2CrO
3Stoichiometric proportion takes by weighing La
2O
3, Pr
6O
11And Cr
2O
3Grind, compressing tablet is pulverized through 1200 ℃ of roastings after again, and getting 360 order minus sieves, to add 3% polyvinyl butyral resin be binding agent, and 10% ethyl cellulose is a pore forming agent, through ball milling after 5 hours, and 50 ℃ of oven dry, being dispersed in the terpinol is La
0.8Pr
0.2CrO
3Anode slurry applies La on the one side of solid electrolyte substrate
0.8Pr
0.2CrO
3Anode slurry, the substrate after the coating is through 1400 ℃ of roastings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010228657A CN101901915B (en) | 2010-07-12 | 2010-07-12 | Preparation of sulfur-oxygen solid oxide fuel cell anode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010228657A CN101901915B (en) | 2010-07-12 | 2010-07-12 | Preparation of sulfur-oxygen solid oxide fuel cell anode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101901915A CN101901915A (en) | 2010-12-01 |
| CN101901915B true CN101901915B (en) | 2012-10-03 |
Family
ID=43227270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010228657A Expired - Fee Related CN101901915B (en) | 2010-07-12 | 2010-07-12 | Preparation of sulfur-oxygen solid oxide fuel cell anode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101901915B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142564B (en) * | 2011-02-24 | 2014-04-02 | 安徽工业大学 | LaFeO3-base cathode material of sulfur-oxygen fuel cell |
| CN102332597A (en) * | 2011-09-05 | 2012-01-25 | 天津大学 | Method and device for oxidative power generation and sulfuric acid preparation from sulfur dioxide |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5144236B2 (en) * | 2007-12-05 | 2013-02-13 | 日本電信電話株式会社 | Solid oxide fuel cell |
| CN101226999A (en) * | 2007-12-28 | 2008-07-23 | 安徽工业大学 | Method for preparation of sulphur-oxygen solid-oxide fuel battery anode basal membrane |
| CN100565988C (en) * | 2008-06-24 | 2009-12-02 | 安徽工业大学 | A kind of preparation method for sulfur oxygen solid-oxide fuel battery anode |
| CN101343046B (en) * | 2008-08-15 | 2010-11-10 | 安徽工业大学 | Method for preparing sulphuric acid |
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2010
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|---|---|
| CN101901915A (en) | 2010-12-01 |
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Granted publication date: 20121003 Termination date: 20180712 |