CN109174121A - A kind of preparation method of hollow Nano silver-oxidation carbon/carbon-copper composite material - Google Patents
A kind of preparation method of hollow Nano silver-oxidation carbon/carbon-copper composite material Download PDFInfo
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- CN109174121A CN109174121A CN201811062231.XA CN201811062231A CN109174121A CN 109174121 A CN109174121 A CN 109174121A CN 201811062231 A CN201811062231 A CN 201811062231A CN 109174121 A CN109174121 A CN 109174121A
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- 229910052802 copper Inorganic materials 0.000 title claims abstract description 35
- 239000010949 copper Substances 0.000 title claims abstract description 35
- 239000002131 composite material Substances 0.000 title claims abstract description 31
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 28
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 48
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000005751 Copper oxide Substances 0.000 claims abstract description 35
- 229910000431 copper oxide Inorganic materials 0.000 claims abstract description 35
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims abstract description 32
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000725 suspension Substances 0.000 claims abstract description 21
- 229910001961 silver nitrate Inorganic materials 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000008367 deionised water Substances 0.000 claims abstract description 14
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 14
- 229910052979 sodium sulfide Inorganic materials 0.000 claims abstract description 14
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 10
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 10
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000000498 ball milling Methods 0.000 claims abstract description 7
- 229960000935 dehydrated alcohol Drugs 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 7
- 239000002244 precipitate Substances 0.000 claims abstract description 7
- 239000013049 sediment Substances 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 230000003197 catalytic effect Effects 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract 1
- 238000003828 vacuum filtration Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 229960004643 cupric oxide Drugs 0.000 description 31
- 238000000034 method Methods 0.000 description 12
- 239000007788 liquid Substances 0.000 description 10
- 239000006228 supernatant Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 241000784732 Lycaena phlaeas Species 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000002082 metal nanoparticle Substances 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8926—Copper and noble metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
- B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/391—Physical properties of the active metal ingredient
- B01J35/393—Metal or metal oxide crystallite size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/396—Distribution of the active metal ingredient
- B01J35/399—Distribution of the active metal ingredient homogeneously throughout the support particle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/617—500-1000 m2/g
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses a kind of preparation methods of hollow Nano silver-oxidation carbon/carbon-copper composite material, it include: that (1) mixes the polyvinylpyrrolidone that mass ratio is 100~300:1 and sodium sulfide solution with ethylene glycol, flow back 30~40min at a temperature of 140~150 DEG C, a certain amount of silver nitrate solution is added dropwise with 10~30 drops/min speed again, in 160~170 DEG C of 2~3h of reaction, vacuum filtration, washing, dry, ball milling obtains hollow Nano silver；(2) a certain amount of nano oxidized copper powders are added in deionized water, 1~3h of ultrasonic disperse obtains copper oxide suspension, wherein the concentration of the copper oxide suspension is 2~10g/L；(3) the hollow Nano silver in step (1) is added in the copper oxide suspension in step (2), ultrasonic disperse is uniform, the centrifuge separation of gained mixed sediment, taking precipitate is washed with dehydrated alcohol and deionized water respectively, drying roasts 1~2h under the conditions of being placed on 900~1000 DEG C, it is cooled to room temperature, obtains hollow Nano silver-oxidation carbon/carbon-copper composite material.Good dispersion, the catalytic performance of composite material in the present invention are high.
Description
Technical field
The present invention relates to field of material technology, more particularly to a kind of preparation of hollow Nano silver-oxidation carbon/carbon-copper composite material
Method.
Background technique
Precious metal doping will form Schottky barrier in composite material surface to inhibit its hole-recombination.Therefore, your gold
The doping of category is to promote the chemically active important means such as composite material catalytic activity, adsorption activity.At present mainly study be
The noble metals such as Pt, Au, Ag, Pd.Wherein, Ag is at low cost with its, bio-toxicity is small, it is not soluble in water, not with oxidant reaction, catalysis
The advantages that performance is good and be widely used.It is living in magnetism, light absorption, chemistry since nano cupric oxide is compared with common copper oxide
Property, show peculiar physical and chemical properties in terms of thermal resistance, catalyst and fusing point.Therefore, nano cupric oxide is being catalyzed, is surpassing
Lead, the fields such as ceramics are widely used, so as to cause the concern of researcher.But at present both at home and abroad about hollow
The report of nano silver and oxidation carbon/carbon-copper composite material is also very rare.
Although there are many method for preparing silver metal nanoparticles, since the metallic particles of nano-scale is with higher
Specific surface area is easy to happen aggregation, so how to keep its stability is always relatively difficult problem.The system of nano cupric oxide
It is standby that also there are many methods, but be usually present that process conditions are harsh, industrial flow is long or preparation process in particle is easy to reunite, system
The defects of standby with high costs.Therefore efficient one kind, cleaning, green hollow Nano silver and the synthesis for aoxidizing carbon/carbon-copper composite material are found
Method has important practical significance.
For this reason, it is necessary in view of the above-mentioned problems, propose a kind of preparation method of hollow Nano silver-oxidation carbon/carbon-copper composite material,
It is able to solve problems of the prior art.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods of hollow Nano silver-oxidation carbon/carbon-copper composite material, existing to overcome
There is the deficiency in technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of preparation method of hollow Nano silver-oxidation carbon/carbon-copper composite material, comprising:
(1) polyvinylpyrrolidone and sodium sulfide solution that mass ratio is 100~300:1 are mixed with ethylene glycol, 140
Flow back 30~40min at a temperature of~150 DEG C, then a certain amount of silver nitrate solution is added dropwise with 10~30 drops/min speed, in 160
~170 DEG C of 2~3h of reaction are filtered by vacuum, and wash, dry, ball milling, obtain hollow Nano silver；
(2) a certain amount of nano oxidized copper powders are added in deionized water, it is outstanding to obtain copper oxide by 1~3h of ultrasonic disperse
Supernatant liquid, wherein the concentration of the copper oxide suspension is 2~10g/L；
(3) the hollow Nano silver in step (1) being added in the copper oxide suspension in step (2), ultrasonic disperse is uniform,
The centrifuge separation of gained mixed sediment, taking precipitate wash with dehydrated alcohol and deionized water respectively, dry and be placed on 900~
1~2h is roasted under the conditions of 1000 DEG C, is cooled to room temperature, is obtained hollow Nano silver-oxidation carbon/carbon-copper composite material.
Preferably, in step (1), the amount ratio of the polyvinylpyrrolidone and vulcanized sodium is 200:1.
Preferably, in step (1), the sodium sulfide solution, the ethylene glycol, the silver nitrate solution volume ratio be 1:
50~100:50~100.
Preferably, the sodium sulfide solution, the ethylene glycol, the silver nitrate solution volume ratio be 1:60:60.
Preferably, in step (2), the concentration of the copper oxide suspension is 6g/L.
Preferably, in step (2), ultrasonic power is 500~1000W.
Preferably, in step (3), the mass ratio of the hollow Nano silver and the copper oxide is 1:5~15.
Preferably, the mass ratio of the hollow Nano silver and the copper oxide is 1:10.
Compared with the prior art, the advantages of the present invention are as follows: hollow Nano silver-oxidation carbon/carbon-copper composite material in the present invention
In, the hollow structure of nano silver makes it have biggish specific surface area, and copper oxide can be evenly dispersed in the hollow of nano silver
In structure, therefore catalytic performance with higher.
Specific embodiment
The present invention is described further by the following example: according to following embodiments, the present invention may be better understood.
However, as it will be easily appreciated by one skilled in the art that specific material ratio, process conditions and its result described in embodiment are only used
In illustrating the present invention, without the present invention described in detail in claims should will not be limited.
The present invention discloses a kind of preparation method of hollow Nano silver-oxidation carbon/carbon-copper composite material, comprising:
(1) polyvinylpyrrolidone and sodium sulfide solution that mass ratio is 100~300:1 are mixed with ethylene glycol, 140
Flow back 30~40min at a temperature of~150 DEG C, then a certain amount of silver nitrate solution is added dropwise with 10~30 drops/min speed, in 160
~170 DEG C of 2~3h of reaction are filtered by vacuum, and wash, dry, ball milling, obtain hollow Nano silver；
(2) a certain amount of nano oxidized copper powders are added in deionized water, it is outstanding to obtain copper oxide by 1~3h of ultrasonic disperse
Supernatant liquid, wherein the concentration of the copper oxide suspension is 2~10g/L；
(3) the hollow Nano silver in step (1) being added in the copper oxide suspension in step (2), ultrasonic disperse is uniform,
The centrifuge separation of gained mixed sediment, taking precipitate wash with dehydrated alcohol and deionized water respectively, dry and be placed on 900~
1~2h is roasted under the conditions of 1000 DEG C, is cooled to room temperature, is obtained hollow Nano silver-oxidation carbon/carbon-copper composite material.
Wherein, in step (1), the amount ratio of the polyvinylpyrrolidone and vulcanized sodium is 200:1；The vulcanized sodium is molten
Liquid, the ethylene glycol, the silver nitrate solution volume ratio be 1:50~100:50~100, it is preferred that the vulcanized sodium is molten
Liquid, the ethylene glycol, the silver nitrate solution volume ratio be 1:60:60.
Wherein, in step (2), the concentration of the copper oxide suspension is 6g/L；Ultrasonic power is 500~1000W, preferably
, ultrasonic power 800W.
Wherein, in step (3), the mass ratio of the hollow Nano silver and the copper oxide is 1:5~15, it is preferred that institute
The mass ratio for stating hollow Nano silver and the copper oxide is 1:10.
It is following that hollow nano silver-oxidation carbon/carbon-copper composite material preparation side in the present invention is illustrated with specifically embodiment
Method.
Embodiment 1
(1) polyvinylpyrrolidone and sodium sulfide solution that mass ratio is 100:1 are mixed with ethylene glycol, in 140 DEG C of temperature
The lower 30min that flows back of degree, then a certain amount of silver nitrate solution is added dropwise with 10 drops/min speed, in 160 DEG C of reaction 2h, vacuum is taken out
Filter is washed, dry, ball milling, obtains hollow Nano silver, wherein the sodium sulfide solution, the ethylene glycol, the silver nitrate are molten
The volume ratio of liquid is 1:50:50；
(2) a certain amount of nano oxidized copper powders are added in deionized water, ultrasonic disperse 1h, obtain copper oxide suspension
Liquid, wherein the concentration of the copper oxide suspension is 2g/L；
(3) the hollow Nano silver in step (1) being added in the copper oxide suspension in step (2), ultrasonic disperse is uniform,
The centrifuge separation of gained mixed sediment, taking precipitate are washed with dehydrated alcohol and deionized water respectively, and drying is placed on 900 DEG C of items
Roast 1h under part, be cooled to room temperature, obtain hollow Nano silver-oxidation carbon/carbon-copper composite material, wherein the hollow Nano silver with it is described
The mass ratio of copper oxide is 1:5.
Embodiment 2
(1) polyvinylpyrrolidone and sodium sulfide solution that mass ratio is 200:1 are mixed with ethylene glycol, in 145 DEG C of temperature
The lower 35min that flows back of degree, then a certain amount of silver nitrate solution is added dropwise with 20 drops/min speed, in 165 DEG C of reaction 2.5h, vacuum is taken out
Filter is washed, dry, ball milling, obtains hollow Nano silver, wherein the sodium sulfide solution, the ethylene glycol, the silver nitrate are molten
The volume ratio of liquid is 1:60:60；
(2) a certain amount of nano oxidized copper powders are added in deionized water, ultrasonic disperse 2h, obtain copper oxide suspension
Liquid, wherein the concentration of the copper oxide suspension is 6g/L；
(3) the hollow Nano silver in step (1) being added in the copper oxide suspension in step (2), ultrasonic disperse is uniform,
The centrifuge separation of gained mixed sediment, taking precipitate are washed with dehydrated alcohol and deionized water respectively, and drying is placed on 950 DEG C of items
1.5h is roasted under part, is cooled to room temperature, hollow Nano silver-oxidation carbon/carbon-copper composite material is obtained, wherein the hollow Nano silver and institute
The mass ratio for stating copper oxide is 1:10.
Embodiment 3
(1) polyvinylpyrrolidone and sodium sulfide solution that mass ratio is 300:1 are mixed with ethylene glycol, in 150 DEG C of temperature
The lower 40min that flows back of degree, then a certain amount of silver nitrate solution is added dropwise with 30 drops/min speed, in 170 DEG C of reaction 3h, vacuum is taken out
Filter is washed, dry, ball milling, obtains hollow Nano silver, wherein the sodium sulfide solution, the ethylene glycol, the silver nitrate are molten
The volume ratio of liquid is 1:100:100；
(2) a certain amount of nano oxidized copper powders are added in deionized water, it is outstanding to obtain copper oxide by 1~3h of ultrasonic disperse
Supernatant liquid, wherein the concentration of the copper oxide suspension is 10g/L；
(3) the hollow Nano silver in step (1) being added in the copper oxide suspension in step (2), ultrasonic disperse is uniform,
The centrifuge separation of gained mixed sediment, taking precipitate are washed with dehydrated alcohol and deionized water respectively, and drying is placed on 1000 DEG C
Under the conditions of roast 2h, be cooled to room temperature, obtain hollow Nano silver-oxidation carbon/carbon-copper composite material, wherein hollow Nano silver and institute
The mass ratio for stating copper oxide is 1:15.
In hollow Nano silver-oxidation carbon/carbon-copper composite material in the present invention, the hollow structure of nano silver makes it have biggish
Specific surface area, specific surface area may be up to 516m2/ g, nano cupric oxide can be evenly dispersed in the hollow structure of nano silver
In, and the particle size range of nano cupric oxide is 20~30nm, makes it have higher catalytic performance.
Finally, it is to be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.
Claims (8)
1. a kind of preparation method of hollow Nano silver-oxidation carbon/carbon-copper composite material characterized by comprising
(1) polyvinylpyrrolidone and sodium sulfide solution that mass ratio is 100~300:1 are mixed with ethylene glycol, 140~
Flow back 30~40min at a temperature of 150 DEG C, then a certain amount of silver nitrate solution is added dropwise with 10~30 drops/min speed, in 160~
170 DEG C of 2~3h of reaction are filtered by vacuum, and wash, dry, ball milling, obtain hollow Nano silver；
(2) a certain amount of nano oxidized copper powders being added in deionized water, 1~3h of ultrasonic disperse obtains copper oxide suspension,
Wherein, the concentration of the copper oxide suspension is 2~10g/L；
(3) the hollow Nano silver in step (1) is added in the copper oxide suspension in step (2), ultrasonic disperse is uniform, gained
Mixed sediment centrifuge separation, taking precipitate are washed with dehydrated alcohol and deionized water respectively, and drying is placed on 900~1000 DEG C
Under the conditions of roast 1~2h, be cooled to room temperature, obtain hollow Nano silver-oxidation carbon/carbon-copper composite material.
2. the preparation method of hollow Nano silver-oxidation carbon/carbon-copper composite material according to claim 1, which is characterized in that step
(1) in, the amount ratio of the polyvinylpyrrolidone and vulcanized sodium is 200:1.
3. the preparation method of hollow Nano silver-oxidation carbon/carbon-copper composite material according to claim 1, which is characterized in that step
(1) in, the sodium sulfide solution, the ethylene glycol, the silver nitrate solution volume ratio be 1:50~100:50~100.
4. the preparation method of hollow Nano silver-oxidation carbon/carbon-copper composite material according to claim 3, which is characterized in that described
Sodium sulfide solution, the ethylene glycol, the silver nitrate solution volume ratio be 1:60:60.
5. the preparation method of hollow Nano silver-oxidation carbon/carbon-copper composite material according to claim 1, which is characterized in that step
(2) in, the concentration of the copper oxide suspension is 6g/L.
6. the preparation method of hollow Nano silver-oxidation carbon/carbon-copper composite material according to claim 1, which is characterized in that step
(2) in, ultrasonic power is 500~1000W.
7. the preparation method of hollow Nano silver-oxidation carbon/carbon-copper composite material according to claim 1, which is characterized in that step
(3) in, the mass ratio of the hollow Nano silver and the copper oxide is 1:5~15.
8. the preparation method of hollow Nano silver-oxidation carbon/carbon-copper composite material according to claim 7, which is characterized in that described
The mass ratio of hollow Nano silver and the copper oxide is 1:10.
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Cited By (2)
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| CN113955795A (en) * | 2021-12-06 | 2022-01-21 | 苏州北美国际高级中学 | Preparation method of nano copper oxide |
| CN114713836A (en) * | 2022-03-02 | 2022-07-08 | 上海电力大学 | Synthetic method of Cu-Ag sheet-shaped nano composite material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113955795A (en) * | 2021-12-06 | 2022-01-21 | 苏州北美国际高级中学 | Preparation method of nano copper oxide |
| CN114713836A (en) * | 2022-03-02 | 2022-07-08 | 上海电力大学 | Synthetic method of Cu-Ag sheet-shaped nano composite material |
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Application publication date: 20190111 |