CN102315459B - Preparation method of porous fuel cell anode material NiCu/C - Google Patents
Preparation method of porous fuel cell anode material NiCu/C Download PDFInfo
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- CN102315459B CN102315459B CN2011102609595A CN201110260959A CN102315459B CN 102315459 B CN102315459 B CN 102315459B CN 2011102609595 A CN2011102609595 A CN 2011102609595A CN 201110260959 A CN201110260959 A CN 201110260959A CN 102315459 B CN102315459 B CN 102315459B
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- active carbon
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- nickel
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- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000000446 fuel Substances 0.000 title claims abstract description 13
- 239000010405 anode material Substances 0.000 title claims abstract description 11
- 229910003322 NiCu Inorganic materials 0.000 title claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 11
- 239000002243 precursor Substances 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 10
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 6
- 238000006722 reduction reaction Methods 0.000 claims abstract description 5
- 238000005516 engineering process Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 150000002739 metals Chemical class 0.000 claims abstract description 4
- 238000002844 melting Methods 0.000 claims abstract 3
- 230000008018 melting Effects 0.000 claims abstract 3
- 229910001960 metal nitrate Inorganic materials 0.000 claims abstract 3
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract 2
- 150000004706 metal oxides Chemical class 0.000 claims abstract 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 8
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims description 7
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 6
- 229910001431 copper ion Inorganic materials 0.000 claims description 6
- 238000007598 dipping method Methods 0.000 claims description 6
- 229910001453 nickel ion Inorganic materials 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 229960004643 cupric oxide Drugs 0.000 claims description 4
- 239000003814 drug Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 4
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 4
- 239000012047 saturated solution Substances 0.000 claims description 4
- 239000003610 charcoal Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 230000010076 replication Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 244000287680 Garcinia dulcis Species 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 238000003837 high-temperature calcination Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 7
- 238000001354 calcination Methods 0.000 abstract description 4
- 229910000881 Cu alloy Inorganic materials 0.000 abstract description 3
- 239000007769 metal material Substances 0.000 abstract description 2
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229910000792 Monel Inorganic materials 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910001339 C alloy Inorganic materials 0.000 description 1
- 229910002482 Cu–Ni Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000002479 acid--base titration Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011943 nanocatalyst Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910002058 ternary alloy Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
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
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- Inert Electrodes (AREA)
- Catalysts (AREA)
Abstract
Belonging to the technical field of metal material preparation, the invention relates to a preparation method of a porous fuel cell anode material NiCu/C. The method is characterized by: adopting activated carbon with a high specific surface as a hard template to impregnate a precursor solution of a metal nitrate or a metallorganic compound; in an anaerobic environment and by means of a calcination technology, carrying out heating at a proper heating rate, first decomposing the metal salt and organic compound, then subjecting the obtained metal oxide and the carbon of the hard template to a reduction reaction so as to form single metals, and finally after melting at a metal melting temperature and copying the 3D structure of activated carbon, leaving the single metals to cool to a room temperature naturally, thus obtaining a nanometer grade nickel-copper alloy material of high specific surface. And the material has an expression of MM'/C, wherein, M and M' are Ni/Cu metallic elements, and the component ratio can be distributed according to requirements. With the method of invention, a nanometer grade nickel-copper alloy material of high specific surface can be obtained through a simple and convenient operation process.
Description
Technical field
The invention belongs to technical field of metal material preparation, relate to the alloy preparation process, particularly relate to the method for the loose structure feature of making Gao Bibiao.
Background technology
The advantages such as Solid Oxide Fuel Cell is high because of its energy conversion efficiency, and is environmentally friendly more and more cause people's concern, and there is the difficult point of carbon distribution in the research of Solid Oxide Fuel Cell Anodic material always.Can well solve this difficult point take Pt as anode material, but Pt is expensive, is difficult to be widely used.Along with deepening continuously of research, at document Preparation of Cu-Ni/YSZ solid oxide fuel cell a nodes using microwave irradiation.Shamiul Islam, in Josephine M.Hill.Journal of Power Sources 196 (2011) 5091-5094, researchers find that monel not only has outstanding catalytic performance, and material also has very outstanding performance to the anti-carbon aspect.It need to have the feature of loose structure as battery anode material, and traditional preparation technology adopts the preparations such as sol-gel process, coprecipitation, but preparation condition and process are all very complicated.In patent 201010100423.2, provided a kind of hydrosol preparation process of passing through take carbon as template, prepared a kind of PtRuNi/C ternary alloy nano catalyst, but wherein needed to prepare the operations such as the hydrosol, acid base titration, vacuum filtration, vacuumize, experiment condition and process are complicated.
Summary of the invention
The purpose of this invention is to provide a kind of is template with high ratio table active carbon, by the dipping-approach such as oven dry-calcining, the method of the monel material of simple preparation loose structure, found a kind of Pt utmost point substitution material of moderate cost, solved test operation in the substitute of high price Pt electrode and monel preparation process, the problem of reaction condition complexity.
Technical scheme of the present invention and preparation method are as follows:
Take active carbon with high specific surface area as hard template, the dipping precursor solution removes by filter solution, heats putting into stove after impregnated active carbon drying under the anaerobic inert atmosphere, and cooling namely gets high-ratio surface porous fuel cell anode material NiCu/C.
Described precursor solution is nickel ion and the pro rata mixed solution of copper ion.
Nickel ion described in literary composition is provided by the organic compound of nickel nitrate or nickel, preferred nickel nitrate.
Copper ion described in literary composition is provided by the organic compound of copper nitrate or copper, preferred copper nitrate.
Need dry 1-2 hour of 110-120 as the active carbon with high specific surface area of hard template, flood again precursor solution after removing the moisture of absorption and gas, carry out subsequent treatment.
In the process of preparation precursor solution, at first according to the ratio of nickel ion and copper ion, the quality that is scaled nickel nitrate, copper nitrate takes chemicals, the medicine that quality is large is configured to saturated solution with deionized water again, the medicine that quality is little joins in above-mentioned saturated solution, dissolves, stirs.The ratio that dried active carbon is joined the 1g-1.5g active carbon with 5ml solution adds, and stirs 1-2 hour.
In the process that active carbon after dipping is calcined in heating furnace, at first can be decomposed to form cupric oxide and nickel oxide because the existence of carbon dust is arranged, under the condition of 500-600, constant temperature 1-2 hour, cupric oxide and nickel oxide can with active carbon generation reduction reaction, produce the elemental metals copper and mickel.Continued to be heated to 1500-1600 constant temperature 1-2 hour on the basis that the metal simple-substance copper and mickel forms, the simple substance copper and mickel forms alloy in porous activated carbon, and the loose structure of meeting replication activity charcoal.
The NiCu/C material that is mixed with active carbon that the invention provides the method preparation can directly prepare anode-supported fuel cell as anode material, and the active carbon in material can fall by dinectly bruning in the battery calcination process.If need to remove in advance active carbon for special circumstances, be metal simple-substance by hydrogen reducing again after can calcining under aerobic environment, be used further to prepare anode-supported fuel cell.
Effect of the present invention and benefit are to have obtained the nickel porous Cu alloy material of Nano grade by operating process simply and easily, can substitute the reaction of Pt electrode catalyst anode of solid oxide fuel cell.Solved the problem of complicated operation, experiment condition harshness in manufacturing process.
Embodiment
Be described in detail the specific embodiment of the present invention below in conjunction with technical scheme.
The preparation example of NiCu/C alloy:
7.212g nickel nitrate and 5.992g copper nitrate are dissolved in the 30ml deionized water, add 6g active carbon dipping, stir half an hour, 100 times oven dry.Under oxygen-free environment, making copper nitrate decompose in one hour at 170 times constant temperature with temperature controller respectively with 5/min speed reaches after 310 times constant temperature made the nickel nitrate decomposition in one hour, reduced with the carbon reaction in one hour in 500 constant temperature, form alloy in 1500 fusings again, the naturally cooling room temperature of being down to obtains required monel material.
Concrete temperature-rise period such as following table:
| Temperature (℃) | Time (min) |
| 25-170 | 49 |
| 170-170 | 60 |
| 170-310 | 28 |
| 310-310 | 60 |
| 310-500 | 38 |
| 500-500 | 60 |
| 500-1500 | 200 |
| 1500-1500 | 120 |
| 1500 | -121 (program stops order) |
Claims (2)
1. the preparation method of a porous fuel cell anode material NiCu/C, employing be high be hard template than the table active carbon, the dipping precursor solution; Under oxygen-free environment, adopt calcine technology, first slaine and organic compound are decomposed, then with metal oxide and carbon reaction reduction that decomposition obtains, melt under the metal melting temperature at last, and the 3D structure of replication activity charcoal; Its expression formula is MM '/C, wherein M and M ' are the Ni/Cu metallic element, component ratio can distribute on request, it is characterized in that M or M ' are Ni or Cu element, hard template is the active carbon of Gao Bibiao, precursor solution is metal nitrate or metallo-organic compound, metal nitrate and metal-organic decomposition-reduction, the high-temperature calcination moulding under oxygen-free environment.
2. the preparation method of a kind of porous fuel cell anode material NiCu/C according to claim 1 is characterized in that preparation process is:
Take active carbon with high specific surface area as hard template, the dipping precursor solution removes by filter solution, heats putting into stove after impregnated active carbon drying under the anaerobic inert atmosphere, and cooling namely gets high-ratio surface porous fuel cell anode material NiCu/C;
Described precursor solution is nickel ion and the pro rata mixed solution of copper ion;
Described nickel ion is provided by the organic compound of nickel nitrate or nickel;
Described copper ion is provided by the organic compound of copper nitrate or copper;
As the active carbon with high specific surface area of hard template need 100 ℃-120 ℃ dry 1-2 hour, flood again precursor solution after removing the moisture of absorption and gas, carry out subsequent treatment;
In the process of preparation precursor solution, at first according to the ratio of nickel ion and copper ion, the quality that is scaled nickel nitrate, copper nitrate takes chemicals, the medicine that quality is large is configured to saturated solution with deionized water again, the medicine that quality is little joins in above-mentioned saturated solution, dissolves, stirs; The ratio that dried active carbon is joined the 1g-1.5g active carbon with 5ml solution adds, and stirs 1-2 hour;
In the process that active carbon after dipping is calcined in heating furnace, at first can be decomposed to form cupric oxide and nickel oxide because the existence of carbon dust is arranged, under the condition of 500 ℃-600 ℃, constant temperature 1-2 hour, cupric oxide and nickel oxide can with active carbon generation reduction reaction, produce the elemental metals copper and mickel; Continue to be heated on the basis that the metal simple-substance copper and mickel forms 1500 ℃-1600 ℃ constant temperature 1-2 hour, the simple substance copper and mickel forms alloy in porous activated carbon, and loose structure that can the replication activity charcoal.
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| CN2011102609595A CN102315459B (en) | 2011-09-05 | 2011-09-05 | Preparation method of porous fuel cell anode material NiCu/C |
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| CN2011102609595A CN102315459B (en) | 2011-09-05 | 2011-09-05 | Preparation method of porous fuel cell anode material NiCu/C |
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| CN102315459B true CN102315459B (en) | 2013-11-06 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102790229A (en) * | 2012-07-19 | 2012-11-21 | 大连理工大学 | Preparation method of solid oxide fuel cells with anodes needing no reduction |
| CN103268929B (en) * | 2013-06-04 | 2015-01-07 | 山东大学 | Carbon/copper/metal oxide composite porous material and preparation method and application thereof |
| CN104037429B (en) * | 2014-06-14 | 2017-02-15 | 中国科学技术大学 | High-catalytic-activity anti-carbon-deposition anode material and preparation method thereof |
| CN105752938B (en) * | 2016-01-27 | 2017-12-29 | 南京大学 | A kind of anodic oxidation aluminium formwork " melts injection to decompose " method that process prepares metal oxide nano-wire array |
| CN106129410B (en) * | 2016-07-18 | 2019-01-04 | 吉科猛 | Class graphene Carbon Materials, preparation and the application of three-dimensional ordered macroporous structure |
| CN108172848A (en) * | 2018-01-31 | 2018-06-15 | 成都新柯力化工科技有限公司 | The catalyst layer and preparation method of a kind of fuel cell N doping copper/nickel alloy |
| CN108788132B (en) * | 2018-07-09 | 2020-04-28 | 中南大学 | In-situ reaction preparation method of copper-carbon composite material |
| CN109088076A (en) * | 2018-07-13 | 2018-12-25 | 南京卡邦科技有限公司 | A kind of preparation method of non-precious metal catalyst |
| CN109411706B (en) * | 2018-09-13 | 2021-10-19 | 天津大学 | Modified working electrode and preparation method thereof |
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| CN101181679A (en) * | 2007-11-02 | 2008-05-21 | 中国科学院上海硅酸盐研究所 | Meso-porous C/WO3 electro-catalyst and preparation method thereof |
| CN101284228A (en) * | 2008-05-23 | 2008-10-15 | 山东轻工业学院 | Preparation method of meso-porous titanium dioxide/activated carbon in-situ composite material |
| CN101885485A (en) * | 2010-07-08 | 2010-11-17 | 深圳市普迈达科技有限公司 | Method for preparing carbon material with high specific surface area by using metallic organic framework material as template |
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| AU2006227505B2 (en) * | 2005-03-24 | 2011-05-19 | University Of Regina | Catalysts for hydrogen production |
| US8709972B2 (en) * | 2007-02-14 | 2014-04-29 | Nanocarbons Llc | Methods of forming activated carbons |
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| CN101181679A (en) * | 2007-11-02 | 2008-05-21 | 中国科学院上海硅酸盐研究所 | Meso-porous C/WO3 electro-catalyst and preparation method thereof |
| CN101284228A (en) * | 2008-05-23 | 2008-10-15 | 山东轻工业学院 | Preparation method of meso-porous titanium dioxide/activated carbon in-situ composite material |
| CN101885485A (en) * | 2010-07-08 | 2010-11-17 | 深圳市普迈达科技有限公司 | Method for preparing carbon material with high specific surface area by using metallic organic framework material as template |
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