CN104069862A - Amorphous ternary alloy/graphene composite catalyst and preparation method thereof - Google Patents
Amorphous ternary alloy/graphene composite catalyst and preparation method thereof Download PDFInfo
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- CN104069862A CN104069862A CN201410253733.6A CN201410253733A CN104069862A CN 104069862 A CN104069862 A CN 104069862A CN 201410253733 A CN201410253733 A CN 201410253733A CN 104069862 A CN104069862 A CN 104069862A
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- solution
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- ternary alloy
- certain amount
- composite catalyst
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- 239000003054 catalyst Substances 0.000 title claims abstract description 24
- 229910002058 ternary alloy Inorganic materials 0.000 title claims abstract description 18
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 45
- 239000008367 deionised water Substances 0.000 claims abstract description 5
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 14
- 239000010439 graphite Substances 0.000 claims description 14
- -1 graphite alkene Chemical class 0.000 claims description 14
- 238000003760 magnetic stirring Methods 0.000 claims description 4
- 241000080590 Niso Species 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract 2
- 238000003756 stirring Methods 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 abstract 1
- 238000007598 dipping method Methods 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 abstract 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 abstract 1
- 238000012805 post-processing Methods 0.000 abstract 1
- 239000012279 sodium borohydride Substances 0.000 abstract 1
- 229910000033 sodium borohydride Inorganic materials 0.000 abstract 1
- 238000009210 therapy by ultrasound Methods 0.000 abstract 1
- 229910000368 zinc sulfate Inorganic materials 0.000 abstract 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 abstract 1
- 239000011686 zinc sulphate Substances 0.000 abstract 1
- 235000009529 zinc sulphate Nutrition 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 3
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- Catalysts (AREA)
Abstract
The invention discloses a preparation method of an amorphous ternary alloy/graphene composite catalyst. The preparation method comprises the following steps: (1) adding a certain amount of CoSO4 or NiSO4 and a certain amount of ZnSO4 into deionized water to obtain a solution; (2) adding a certain amount of graphene in the solution and carrying out ultrasonic treatment for 0.5-3 hours with a pH value being 5-7; (3) preparing a 0.05-2mol/L NaOH solution and adding a certain amount of NaBH4 into the NaOH solution; and (4) slowly and dropwise adding the solution in the step (3) into the solution of the step (2) by using an alkali burette, stirring the solution in the step (2) by using a magnetic stirrer, filtering, washing, drying and dipping for 1 hour in a 20-30% NaOH solution after the dropwise adding is completed; and subsequently stirring, washing, drying and grinding to obtain the morphous ternary alloy/graphene composite catalyst. The preparation method of the amorphous ternary alloy/graphene composite catalyst has the advantages of being simple in preparation process, stable in properties of products, suitable in large-batch preparation and simple in post-processing process; the prepared catalyst is good in dispersion property and high in catalytic efficiency.
Description
Technical field
The present invention relates to catalyst, specifically a kind of amorphous ternary alloy/graphite alkene composite catalyst and preparation method thereof.
Background technology
The energy is the lifeblood of national economy, along with the exhaustion day by day of global conventional energy resource resource and the series of environmental problems that utilizes in a large number fossil energy to bring, the mankind must find the alternative energy source of sustainable development, and exploitation are clean, green novel energy source is undoubtedly final outlet.Hydrogen Energy, as clean, desirable secondary energy sources, is the most important thing of the research of educational circles of current Energy Section, yet the storage of hydrogen and technology of preparing remain the key technology of restriction Hydrogen Energy commercial applications.Borohydride hydrolytic hydrogen production is subject to extensive concern in recent years, and it realizes the release of high-purity hydrogen under temperate condition again, and can be to environment.Therefore the invention of novel amorphous ternary alloy/graphite alkene composite catalyst is to efficiently utilizing Hydrogen Energy to have very important significance.
Summary of the invention
The object of the invention is to provide a kind of amorphous ternary alloy/graphite alkene composite catalyst and preparation method thereof.
The technical scheme that realizes the object of the invention is:
A preparation method for amorphous ternary alloy/graphite alkene composite catalyst, comprises the steps:
(1) get a certain amount of CoSO
4or NiSO
4with a certain amount of ZnSO
4, join in deionized water;
(2) get a certain amount of Graphene and join in above-mentioned solution, ultrasonic 0.5-3h, pH value is 5-7;
(3) the NaOH solution of configuration 0.05-2 mol/L, gets a certain amount of NaBH
4add in NaOH solution:
(4) solution of step (3) is dripped lentamente with base buret in step (2) solution, and with magnetic stirring apparatus, the solution of step (2) is stirred;
(5) after being added dropwise to complete, filter, wash, be dried,
(6) in 20-30%NaOH solution, flood 1h;
(7) filter, wash, be dried, grind and obtain amorphous ternary alloy/graphite alkene powder.
Advantage of the present invention is: this new catalyst catalytic efficiency is high, under normal temperature, just can arrive good catalytic effect, and catalyst be when can reuse, and preparation process is simple.The novel amorphous ternary alloy/graphite alkene composite catalyst that the present invention is prepared, increased the contact area of catalyst and reactant, improved reaction rate, be that hydrogen-producing speed is fast, and this new catalyst preparation technology is fairly simple, the advantages such as low cost of manufacture, have very large advantage to being applied to borohydride hydrolytic, properties of product are stable, are applicable to large batch of preparation.
Accompanying drawing explanation
Fig. 1 is the scanning electron microscope (SEM) photograph of Co-Zn-B/ graphen catalyst;
Fig. 2 be Co-Zn-B/ graphen catalyst to NaBH
4hydrolyzation catalysis;
Fig. 3 is the curve that recycles of catalyst of the present invention.
The specific embodiment
Embodiment 1:
1) get 5g CoSO
4, the ZnSO of 0.1g
4, join in 100ml deionized water;
2) get the Graphene of 0.2g, join in above-mentioned solution, ultrasonic 1h, is designated as M solution, and pH is 6;
3) the NaOH solution 20-100 ml of configuration 0.1 mol/L, gets 2 g NaBH
4add in NaOH solution, be designated as N solution;
4) N solution is dripped lentamente with base buret in M solution, and with magnetic stirring apparatus, M solution is stirred;
5) after being added dropwise to complete, filter, wash, be dried,
6) in 30%NaOH solution, flood 1h;
7) then filter, wash, be dried, grind and obtain amorphous ternary alloy/graphite alkene powder, i.e. amorphous ternary alloy/graphite alkene composite catalyst.
Embodiment 2:
1) get 5g NiSO
4, the ZnSO of 0.1g
4, join in 100ml deionized water;
2) get the Graphene of 0.2g, join in above-mentioned solution, ultrasonic 1h, is designated as M solution, and pH is 6;
3) the NaOH solution 20-100 ml of configuration 0.1 mol/L, gets 2 g NaBH
4add in NaOH solution, be designated as N solution;
4) N solution is dripped lentamente with base buret in M solution, and with magnetic stirring apparatus, M solution is stirred;
5) after being added dropwise to complete, filter, wash, be dried;
6) in 30%NaOH solution, flood 1h;
7) then filter, wash, be dried, grind and obtain amorphous ternary alloy/graphite alkene powder, i.e. amorphous ternary alloy/graphite alkene composite catalyst.
Claims (2)
1. a preparation method for amorphous ternary alloy/graphite alkene composite catalyst, is characterized in that: comprise the steps:
(1) get a certain amount of CoSO
4or NiSO
4with a certain amount of ZnSO
4, join in deionized water;
(2) get a certain amount of Graphene and join in above-mentioned solution, ultrasonic 0.5-3h, pH value is 5-7;
(3) the NaOH solution of configuration 0.05-2 mol/L, gets a certain amount of NaBH
4add in NaOH solution:
(4) solution of step (3) is dripped lentamente with base buret in step (2) solution, and with magnetic stirring apparatus, the solution of step (2) is stirred;
(5) after being added dropwise to complete, filter, wash, be dried,
(6) in 20-30%NaOH solution, flood 1h;
(7) filter, wash, be dried, grind and obtain amorphous ternary alloy/graphite alkene composite catalyst.
2. the amorphous ternary alloy/graphite alkene composite catalyst making by preparation method claimed in claim 1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410253733.6A CN104069862B (en) | 2014-06-10 | 2014-06-10 | A kind of amorphous ternary alloy/graphite alkene composite catalyst and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410253733.6A CN104069862B (en) | 2014-06-10 | 2014-06-10 | A kind of amorphous ternary alloy/graphite alkene composite catalyst and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104069862A true CN104069862A (en) | 2014-10-01 |
| CN104069862B CN104069862B (en) | 2017-03-29 |
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|---|---|---|---|
| CN201410253733.6A Active CN104069862B (en) | 2014-06-10 | 2014-06-10 | A kind of amorphous ternary alloy/graphite alkene composite catalyst and preparation method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN104069862B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504905A (en) * | 2016-11-18 | 2017-03-15 | 桂林电子科技大学 | A kind of preparation method and application of Co Ni W alloys oxide graphene composite material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350356A (en) * | 2011-07-28 | 2012-02-15 | 北京理工大学 | Hydroborate hydrolysis catalyst for preparing hydrogen and its preparation method |
| CN102784652A (en) * | 2012-08-28 | 2012-11-21 | 青岛农业大学 | Co-Ce-B/attapulgite catalyst and preparation method thereof and application in hydrogen generation by hydrolysis of hydroboron |
| CN103691480A (en) * | 2014-01-15 | 2014-04-02 | 辽宁石油化工大学 | Preparation technology of catalyst used for preparing hydrogen by hydrolyzing sodium borohydride |
-
2014
- 2014-06-10 CN CN201410253733.6A patent/CN104069862B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350356A (en) * | 2011-07-28 | 2012-02-15 | 北京理工大学 | Hydroborate hydrolysis catalyst for preparing hydrogen and its preparation method |
| CN102784652A (en) * | 2012-08-28 | 2012-11-21 | 青岛农业大学 | Co-Ce-B/attapulgite catalyst and preparation method thereof and application in hydrogen generation by hydrolysis of hydroboron |
| CN103691480A (en) * | 2014-01-15 | 2014-04-02 | 辽宁石油化工大学 | Preparation technology of catalyst used for preparing hydrogen by hydrolyzing sodium borohydride |
Non-Patent Citations (2)
| Title |
|---|
| OGUZ KAAN OZDEMIR ETAL.: "Synthesis of graphene-based Co-B catalyst via simultaneous chemical reduction for hydrolysis of sodium borohydride", 《JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY》 * |
| 刘自力等: "锌对非晶态Co-B合金的改性及催化肉桂醛加氢为肉桂醇的研究", 《分子催化》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504905A (en) * | 2016-11-18 | 2017-03-15 | 桂林电子科技大学 | A kind of preparation method and application of Co Ni W alloys oxide graphene composite material |
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|---|---|
| CN104069862B (en) | 2017-03-29 |
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Application publication date: 20141001 Assignee: Guangxi Yifang Environmental Protection Technology Co.,Ltd. Assignor: GUILIN University OF ELECTRONIC TECHNOLOGY Contract record no.: X2023980045358 Denomination of invention: An amorphous ternary alloy/graphene composite catalyst and its preparation method Granted publication date: 20170329 License type: Common License Record date: 20231101 |
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