CN1619869A - Manufacturing method of solid oxide fuel battery three in one electrode - Google Patents
Manufacturing method of solid oxide fuel battery three in one electrode Download PDFInfo
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- CN1619869A CN1619869A CNA2004100612767A CN200410061276A CN1619869A CN 1619869 A CN1619869 A CN 1619869A CN A2004100612767 A CNA2004100612767 A CN A2004100612767A CN 200410061276 A CN200410061276 A CN 200410061276A CN 1619869 A CN1619869 A CN 1619869A
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- meltallizing
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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
A method for making three-in-one electrode material for solid oxide fuel cell contains (1), melting injection forming anode on basal body, (2), continuous melting injection forming electrolyte layer on anode, (3), laser remelting and sintering to electrolytic layer, (4), continuous melting injection forming anode on treated electrolyte layer to form anode, electrolyte layer cathode combined electrode. Said invention adapts the manufacture of SOFC electrode etc device with ceramic coating.
Description
Technical field
The invention belongs to the manufacture method of solid oxide fuel cell electrode.
Background technology
Characteristics such as meltallizing (thermal spraying) legal system making coatings has fast, low cost.Yet the shortcoming of this method is to have hole in the coating more or less, is difficult to obtain the coating of high-compactness, and is particularly especially true when meltallizing materials with high melting point such as ceramic material.Aspect making Solid Oxide Fuel Cell SOFC (SolidOxide Fuel Cell) electrode, the method that adopts common atmospheric plasma meltallizing is arranged at present, preparation anode, negative electrode and the report that is connected the utmost point see that the clothing treasured is honest and clean.Fuel cell-efficient, eco-friendly generation mode [M].Beijing: Chemical Industry Press, 2000,5-8; See OKUMURAK again, AIHARAY, ITO S, et al.Development of thermal spraying-sintering Technology for solidfuel cells[J] .Journal of Thermal Spray Technology, 2000,9:354-359.Because the dielectric substrate of fuel cell is ceramic material and requires high compaction, even adopt powerful atmospheric plasma meltallizing method also to have hole inevitably, is difficult to reach the density requirement to dielectric substrate.
For this reason, the method that employing low-voltage plasma meltallizing occurs prepares the method for dielectric substrate, see WILL J, MITTERDORFER A, KLEINLOGEL C, et al.Fabrication of thin electrolytes forsecond-generation solid oxide fuel cells[J] .Solid State Ionics, 2000,131,79-96; See RAMBERT S again, MCEVOY AJ, BARTHEL K.Composite ceramic fuel cellfabricated by vacuum plasma spraying [J] .Journal of the European CeramicSociety, 1999,19:921-923; Or after the atmospheric plasma meltallizing prepares dielectric substrate, this layer is carried out high temperature sintering reprocessing more than 1400 ℃, to improve the density of dielectric substrate; See KASUGA Y, NAGATA S, Hayashi K.Thermal spraying for solid oxide fuel cell [A] .Proceedings of ATTAC ' 88[C] .Osaka:1988,247-252; See BARTHEL K again, RAMBERT S, SIEGMANN S.Microstructure and polarization resistance ofthermally sprayed composite cathodes for solid oxide fuel cell use [J] .Journal ofThermal Spray Technology, 2000,9 (3): 33-347.Yet the former needs to carry out in the operating on low voltage chamber, and the property produced in batches is bad, and cost is higher; The latter exists high temperature sintering time length, complex process, meeting to problems such as other structure sheaf exert an influence, so both still are unsuitable for the low cost of SOFC electrode, manufacturing in batches.The metal inorganic of employing salting liquid is arranged recently to the electrolyte layers densification heat treatment of infiltrating behind the atmospheric plasma meltallizing, improve the research report of dielectric substrate density, see Li Chengxin, peaceful advanced, Li Changjiu.Plasma spraying prepares the SOFC dielectric substrate in conjunction with densification process, power technology, 2004,28 (9): 565-568.Yet this method is because of needs more than ten ground heat treatment of infiltrating repeatedly, and the time is long, and technology is numerous tired, the requirement of still be not suitable for fast, making the SOFC electrode in batches.
Summary of the invention
The invention provides a kind of manufacture method of three-in-one electrode of solid oxide fuel battery, its objective is both keep plasma spraying fast, advantage cheaply, can make the high-compactness dielectric substrate again in high quality and adjust other each layer density.
The manufacture method of a kind of three-in-one electrode of solid oxide fuel battery of the present invention comprises the steps: in regular turn
(1) on matrix, forms anode with the anode material meltallizing;
(2) adopt electrolyte, on the anode of plasma spray forming, continue meltallizing and form dielectric substrate;
(3) adopt laser to carry out remelting or sintering processes to dielectric substrate;
(4) adopt cathode material, on treated dielectric substrate, continue meltallizing and form negative electrode, become anode, dielectric substrate, the three-in-one electrode of negative electrode.
The manufacture method of described three-in-one electrode of solid oxide fuel battery according to the requirement to each layer density, can adopt the laser antianode to carry out remelting or sintering processes after meltallizing forms anode; Can also after forming negative electrode, meltallizing adopt the laser target to carry out remelting or sintering processes; Perhaps antianode and negative electrode all adopt laser to carry out remelting or sintering processes respectively.
The manufacture method of described three-in-one electrode of solid oxide fuel battery, described matrix can be the matrixes in separable also crack with holes; Also can be to have formed coating of material in preceding operation.
The advantage that the present invention makes three-in-one electrode of solid oxide fuel battery is:
(1) adopt laser scanning remelting or sintering processes to make the densification of electrolyte coating.
(2) as required also scalable laser sintering process parameter antianode, each layer of negative electrode carry out suitable laser treatment, reach required density.
(3) can be under atmospheric environment continuously, fast, the matrix that separates or need not separate at need in high quality or forming on the coating of material, form anode, dielectric substrate, negative electrode three-in-one electrode.
Adopt pottery or ceramic-metal composite owing to make the electrode of SOFC fuel cell, the meltallizing method is fit to the shaping of all material coating, therefore the manufacture method of fuel cell three-in-one electrode of the present invention is not subjected to materials limitations, can make the shaping and sintering integratedization of dusty material, especially be fit to the shaping manufacturing of the components and parts such as SOFC electrode of employing ceramic coating.
Embodiment
Embodiment 1: uses the method for atmospheric plasma meltallizing, at first uses nickel oxide+zirconia anode material, and, meltallizing forms anode on the Chlorimet matrix; Next adopts zirconia as electrolyte, continues meltallizing and form dielectric substrate on the anode of plasma spray forming; Employing power is the laser that the YAG solid state laser of 300w sends, and with sweep span 0.2mm dielectric substrate is scanned the remelting processing with 300mm/min, improves the density of dielectric substrate; Adopting lanthanum manganate at last is cathode material, continues meltallizing and form negative electrode on dielectric substrate, obtains the three-in-one electrode of dielectric substrate high compaction thus.
Embodiment 2: use can obtain the high-speed flame meltallizing method of ceramic coating, at first adopts anode material in the example 1, meltallizing forms anode on the heat-resistance stainless steel matrix; According to the requirement of antianode material density, employing power is the laser that the YAG solid state laser of 300w sends, and handles with the sweep speed of 250mm/min and the sweep span antianode layer of 0.2mm, obtains the required density of this layer; Adopt zirconia as electrolyte, on the anode of plasma spray forming, continue meltallizing and form dielectric substrate; Adopt the YAG solid state laser of 300w, with sweep span 0.2mm laser is scanned the remelting processing to dielectric substrate, improve the density of dielectric substrate with 300mm/min; Adopting lanthanum manganate at last is cathode material, continues meltallizing and form negative electrode on dielectric substrate, obtains three-in-one electrode thus.
Embodiment 3: use can obtain the high-speed flame meltallizing method of ceramic coating, at first adopts anode material in the example 1, meltallizing forms anode on the heat-resistance stainless steel matrix; According to the requirement of antianode material density, employing power is the laser that the YAG solid state laser of 300w sends, and handles with the sweep speed of 250mm/min and the sweep span antianode layer of 0.2mm, obtains the required density of this layer; Adopt zirconia as electrolyte, on the anode of plasma spray forming, continue meltallizing and form dielectric substrate; Adopt the YAG solid state laser of 300w, dielectric substrate is scanned the remelting processing, improve the density of dielectric substrate with the sweep speed of 300mm/min and the sweep span of 0.2mm; Adopting lanthanum manganate at last is cathode material, on dielectric substrate, continue meltallizing and form negative electrode, requirement according to target density, regulate YAG solid state laser laser sintering process parameter, employing power is the laser that the YAG solid state laser of 300w sends, sweep speed and 0.2mm sweep span target layer with 200mm/min are handled, and obtain the required density of this layer, obtain three-in-one electrode thus.
Embodiment 4: the dusty material that adopts aluminium oxide ceramics powder or metallic aluminium powder to mix with the aluminium oxide ceramics powder is made matrix, this matrix is separable matrix that also can crack with holes, on this matrix, use the method for plasma spray, at first adopt example 1 described anode material meltallizing to form anode; Next adopts zirconia as electrolyte, continues meltallizing and form dielectric substrate on the anode of plasma spray forming; According to the requirement to the dielectric substrate density, adopting power is the laser that the YAG solid state laser of 300w sends, and with the sweep speed of 300mm/min and 0.2mm sweep span dielectric substrate is scanned remelting and handles, and improves the density of dielectric substrate; The employing lanthanum manganate is a cathode material, continues meltallizing and form negative electrode on dielectric substrate; The method that adopts mechanical-physical to destroy at last makes itself and electrode separation after matrix destroyed, obtain three-in-one electrode thus.
Claims (3)
1. the manufacture method of a three-in-one electrode of solid oxide fuel battery comprises the steps: in regular turn
(1) on matrix, forms anode with the anode material meltallizing;
(2) adopt electrolyte, on the anode of plasma spray forming, continue meltallizing and form dielectric substrate;
(3) adopt laser to carry out remelting or sintering processes to dielectric substrate;
(4) adopt cathode material, on treated dielectric substrate, continue meltallizing and form negative electrode, become anode, dielectric substrate, the three-in-one electrode of negative electrode.
2. as the manufacture method of three-in-one electrode of solid oxide fuel battery as described in the claim 1, it is characterized in that, after meltallizing forms anode, adopt the laser antianode to carry out remelting or sintering processes according to requirement to each layer density; Perhaps after meltallizing forms negative electrode, adopt the laser target to carry out remelting or sintering processes; Perhaps antianode and negative electrode all adopt laser to carry out remelting or sintering processes respectively.
3. as the manufacture method of three-in-one electrode of solid oxide fuel battery as described in claim 1 or 2, it is characterized in that described matrix is the matrix in separable also crack with holes or has formed coating of material in preceding operation.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100612767A CN1312795C (en) | 2004-12-06 | 2004-12-06 | Manufacturing method of solid oxide fuel battery three in one electrode |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100612767A CN1312795C (en) | 2004-12-06 | 2004-12-06 | Manufacturing method of solid oxide fuel battery three in one electrode |
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| CN1619869A true CN1619869A (en) | 2005-05-25 |
| CN1312795C CN1312795C (en) | 2007-04-25 |
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| CNB2004100612767A Expired - Fee Related CN1312795C (en) | 2004-12-06 | 2004-12-06 | Manufacturing method of solid oxide fuel battery three in one electrode |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968217A (en) * | 2021-03-02 | 2021-06-15 | 深圳先进技术研究院 | Method for fixing anode material on solid electrolyte and solid battery |
| CN113594552A (en) * | 2021-08-05 | 2021-11-02 | 郑州中科新兴产业技术研究院 | Preparation method of all-solid-state battery unit |
| CN114932376A (en) * | 2022-05-05 | 2022-08-23 | 中国科学院上海高等研究院 | Batch heat treatment device for hollow fiber electrodes, manufacturing method and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112460C (en) * | 1998-04-17 | 2003-06-25 | 清华大学 | Method of preparing ceramic coating by laser smelting coating after metal surface plasma spray |
| CN1215593C (en) * | 2003-03-21 | 2005-08-17 | 西安交通大学 | Method for making tubelike high-temp. solid oxide fuel battery |
| CN1167831C (en) * | 2003-06-02 | 2004-09-22 | 北京科技大学 | Laser melten inter metallic compounds/ceramic composite coatings and preparation thereof |
| CN1226452C (en) * | 2003-11-07 | 2005-11-09 | 上海工程技术大学 | Method for crack resistant treatment of laser cladded nano-ceramic coating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968217A (en) * | 2021-03-02 | 2021-06-15 | 深圳先进技术研究院 | Method for fixing anode material on solid electrolyte and solid battery |
| CN113594552A (en) * | 2021-08-05 | 2021-11-02 | 郑州中科新兴产业技术研究院 | Preparation method of all-solid-state battery unit |
| CN114932376A (en) * | 2022-05-05 | 2022-08-23 | 中国科学院上海高等研究院 | Batch heat treatment device for hollow fiber electrodes, manufacturing method and application |
| CN114932376B (en) * | 2022-05-05 | 2023-11-17 | 中国科学院上海高等研究院 | Hollow fiber electrode batch heat treatment device, manufacturing method and application |
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| CN1312795C (en) | 2007-04-25 |
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