CN103296289A - Preparation method for electrode of solid oxide fuel cell - Google Patents
Preparation method for electrode of solid oxide fuel cell Download PDFInfo
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- CN103296289A CN103296289A CN201310226351XA CN201310226351A CN103296289A CN 103296289 A CN103296289 A CN 103296289A CN 201310226351X A CN201310226351X A CN 201310226351XA CN 201310226351 A CN201310226351 A CN 201310226351A CN 103296289 A CN103296289 A CN 103296289A
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- fuel cell
- nickel
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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 invention provides a preparation method for an electrode of a solid oxide fuel cell. The method comprises the following steps of: (1) preparing lanthanum nickel oxide powder; (2) mixing the lanthanum nickel oxide powder with calcium hydride to be sealed at a vacuum condition, carrying out reaction for 10h at 450 DEG C, washing and filtering a mixed product in a methanol solution of ammonium chloride, and drying the mixed product to obtain nickel lanthanum oxide powder; (3) mixing anode support electrolyte with the nickel lanthanum oxide powder, adding methanol as a solvent, and stirring for 30min to 50min to obtain pulp; (4) coating the pulp on one side of an electrolyte sheet, air-drying the electrolyte sheet for 20min, calcining the electrolyte sheet at 800 DEG C in a calcining furnace for 5h to 6h; (5) respectively drawing a working electrode and a reference electrode from platinum paste and a platinum net on the electrode by a platinum sheet, and forming a counter electrode on the other side of the electrolyte sheet by a platinum sheet. The electrode prepared through the preparation method has low polarization resistance and high polarization overpotential, and the property of the fuel cell can be enhanced.
Description
Technical field
The present invention relates to a kind of electrode preparation method that can obtain to have lower polarization resistance and higher polarization overpotential.
Background technology
Along with the continuous development of energy technology, the application of fuel cell is increasingly extensive.Solid Oxide Fuel Cell a kind of of battery that act as a fuel, its technology obtains more and more higher development.Yet the used electrode of existing Solid Oxide Fuel Cell has higher polarization resistance and lower polarization overpotential, is unfavorable for promoting battery performance.
Summary of the invention
The technical problem that the present invention mainly solves is that the electrode that existing preparation method obtains has higher polarization resistance and lower polarization overpotential, is unfavorable for promoting battery performance.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses a kind of electrode preparation method of Solid Oxide Fuel Cell, comprising:
(1), preparation nickel acid lanthanum powder;
(2), nickel acid lanthanum powder is mixed with calcium hydride, at the vacuum lower seal, reacted 10 hours down at 450 degrees centigrade then, mix products cleaning and filtering in the methanol solution of ammonium chloride, drying obtain the sour lanthanum powder of inferior nickel;
(3), anode-supported electrolyte and inferior nickel acid lanthanum powder is mixed, add methyl alcohol as solvent, stirs 30-50 minute acquisition slurries;
(4), slurries are coated in electrolyte sheet one side, air-dry 20 minutes, put into calciner then 800 degrees centigrade of calcinings 5-6 hour down;
(5), on electrode with platinum slurry and platinum guaze, draw as work electrode and reference electrode with platinized platinum respectively, at the opposite side of electrolyte sheet with platinized platinum as to electrode.
In a preferred embodiment of the present invention, the mixing time in the step (3) is 42 minutes.
In a preferred embodiment of the present invention, apply in the step (4) and adopt the animal hairbrush.
Compared to prior art, the electrode that preparation method of the present invention makes has lower polarization resistance and higher polarization overpotential, promotes fuel cell performance.
Embodiment
To the technical scheme in the embodiment of the invention be clearly and completely described below, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtain under the creative work prerequisite.
The embodiment of the invention discloses a kind of electrode preparation method of Solid Oxide Fuel Cell, comprising:
(1), preparation nickel acid lanthanum powder;
(2), nickel acid lanthanum powder is mixed with calcium hydride, at the vacuum lower seal, reacted 10 hours down at 450 degrees centigrade then, mix products cleaning and filtering in the methanol solution of ammonium chloride, drying obtain the sour lanthanum powder of inferior nickel;
(3), anode-supported electrolyte and inferior nickel acid lanthanum powder is mixed, add methyl alcohol as solvent, stirs 30-50 minute acquisition slurries;
(4), slurries are coated in electrolyte sheet one side, air-dry 20 minutes, put into calciner then 800 degrees centigrade of calcinings 5-6 hour down;
(5), on electrode with platinum slurry and platinum guaze, draw as work electrode and reference electrode with platinized platinum respectively, at the opposite side of electrolyte sheet with platinized platinum as to electrode.
In a preferred embodiment of the present invention, the mixing time in the step (3) is 42 minutes.
In a preferred embodiment of the present invention, apply in the step (4) and adopt the animal hairbrush.
According to experiment show, compared to prior art, the electrode that preparation method of the present invention makes has lower polarization resistance and higher polarization overpotential, promotes fuel cell performance.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (3)
1. the electrode preparation method of a Solid Oxide Fuel Cell is characterized in that, may further comprise the steps:
(1), preparation nickel acid lanthanum powder;
(2), nickel acid lanthanum powder is mixed with calcium hydride, at the vacuum lower seal, reacted 10 hours down at 450 degrees centigrade then, mix products cleaning and filtering in the methanol solution of ammonium chloride, drying obtain the sour lanthanum powder of inferior nickel;
(3), anode-supported electrolyte and inferior nickel acid lanthanum powder is mixed, add methyl alcohol as solvent, stirs 30-50 minute acquisition slurries;
(4), slurries are coated in electrolyte sheet one side, air-dry 20 minutes, put into calciner then 800 degrees centigrade of calcinings 5-6 hour down;
(5), on electrode with platinum slurry and platinum guaze, draw as work electrode and reference electrode with platinized platinum respectively, at the opposite side of electrolyte sheet with platinized platinum as to electrode.
2. preparation method according to claim 1 is characterized in that, the mixing time in the step (3) is 42 minutes.
3. preparation method according to claim 1 is characterized in that, applies in the step (4) to adopt the animal hairbrush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310226351XA CN103296289A (en) | 2013-06-07 | 2013-06-07 | Preparation method for electrode of solid oxide fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310226351XA CN103296289A (en) | 2013-06-07 | 2013-06-07 | Preparation method for electrode of solid oxide fuel cell |
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| CN103296289A true CN103296289A (en) | 2013-09-11 |
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| CN201310226351XA Pending CN103296289A (en) | 2013-06-07 | 2013-06-07 | Preparation method for electrode of solid oxide fuel cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687892A (en) * | 2021-01-21 | 2021-04-20 | 福州大学 | Self-assembled high-performance core-shell structure cathode of solid oxide fuel cell and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101399352A (en) * | 2007-09-25 | 2009-04-01 | 中国科学院宁波材料技术与工程研究所 | Producing method for a high strength ultra-thin anode supporting type solid oxide fuel cell |
-
2013
- 2013-06-07 CN CN201310226351XA patent/CN103296289A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101399352A (en) * | 2007-09-25 | 2009-04-01 | 中国科学院宁波材料技术与工程研究所 | Producing method for a high strength ultra-thin anode supporting type solid oxide fuel cell |
Non-Patent Citations (1)
| Title |
|---|
| 吴春 等: "中温固体氧化物燃料电池LaNiO2.5-Ba(Zr0.1Ce0.7Y0.2)O3-δ阴极的制备和表征", 《西安交通大学学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687892A (en) * | 2021-01-21 | 2021-04-20 | 福州大学 | Self-assembled high-performance core-shell structure cathode of solid oxide fuel cell and preparation method thereof |
| CN112687892B (en) * | 2021-01-21 | 2021-11-30 | 福州大学 | Self-assembled high-performance core-shell structure cathode of solid oxide fuel cell and preparation method thereof |
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Owner name: ZHENG YULIN Free format text: FORMER OWNER: SUZHOU NUOXIN INNOVATION ENERGY CO., LTD. Effective date: 20140404 |
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Effective date of registration: 20140404 Address after: 518052 room 217, West Tower, Nanshan digital culture industry base, Shenzhen, Nanshan District, Guangdong Applicant after: Zheng Yulin Address before: 215121, No. 3, Jinling West Road, 288 Town, Suzhou Industrial Park, Jiangsu Province, 309 Applicant before: Suzhou Nuoxin Innovation Energy Co., Ltd. |
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Application publication date: 20130911 |