CN109734136A - Variety classes precipitating reagent prepares the method and application of cobalt nickel bimetal oxide - Google Patents
Variety classes precipitating reagent prepares the method and application of cobalt nickel bimetal oxide Download PDFInfo
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- CN109734136A CN109734136A CN201910109299.7A CN201910109299A CN109734136A CN 109734136 A CN109734136 A CN 109734136A CN 201910109299 A CN201910109299 A CN 201910109299A CN 109734136 A CN109734136 A CN 109734136A
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- precipitating reagent
- cobalt nickel
- bimetal oxide
- nickel bimetal
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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
- Y02E60/13—Energy storage using capacitors
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Abstract
The invention discloses methods and application that a kind of variety classes precipitating reagent prepares cobalt nickel bimetal oxide.Nickel chloride and cobalt chloride are sequentially added and stirred in the beaker equipped with distilled water to being completely dissolved;It is then respectively adding precipitating reagent hexamethylenetetramine or urea, and in 120 in the reaction kettle of polytetrafluoroethyllining liningoC react 6 hours, after reacting end and being cooled to room temperature, centrifuge separation, with after distilled water, ethanol washing in 90oC is dry;Sample is placed in the middle part of tube furnace in 300oC is calcined 3 hours, is cooled to get the cobalt nickel bimetal oxide of variety classes precipitating reagent preparation after room temperature, which can be used as the electrode material of supercapacitor.The method of the present invention is easy to operate, easy to accomplish.Pass through the chemical property of cobalt nickel bimetal oxide prepared by comparison variety classes precipitating reagent, it can be deduced that: prepared cobalt nickel bimetal oxide has more excellent capacitive property when using hexamethylenetetramine as precipitating reagent.
Description
Technical field
The invention belongs to electrode material preparation technical field, in particular to variety classes precipitating reagent prepares cobalt nickel bimetal oxygen
The method and application of compound.
Background technique
With the growth of population and the continuous development of science and technology, the consumption of traditional fossil energy is increasing, gradually uses up
Trend totally, and the use of a large amount of fossil energies also brings the destruction of environment and being gradually increasing for temperature.This makes people couple
It is growing in the demand of cleaning sustainable energy.As a kind of novel electrochemical energy storage device, supercapacitor have compared with
The advantages that high power, longer service life, preferable capacitive property, thus have good development prospect.
The design considerations of bimetallic oxide is the fake capacitance performance of metal oxide, by the microcosmic knot for adjusting material
Structure so that two kinds of different metal oxides realize have complementary advantages, and makes its fake capacitance performance be fully utilized, so as to improve
The capacitive property of electrode material.Cobalt nickel bimetal oxide is as a kind of transition metal oxide material, since cost is relatively low for it
And there is preferable fake capacitance performance, in terms of the electrode material for being widely used in supercapacitor.
The present invention describes two kinds of variety classes precipitating reagent preparations using hexamethylenetetramine and urea as precipitating reagent
The method and its application of cobalt nickel bimetal oxide.
Summary of the invention
The object of the present invention is to provide variety classes precipitating reagent hexamethylenetetramines and urea to prepare the oxidation of cobalt nickel bimetal
The method of object and its application in electrode material for super capacitor.
Specific steps are as follows:
(1) 0.32 g nickel chloride, 0.65 g cobalt chloride and 70 mL distilled water are sequentially added into beaker, stirring is until solid
It is completely dissolved.
(2) 1.05 g hexamethylenetetramines or 1.35 g urea are added to being put into mixed solution obtained by step (1) and are stirred
Mix dissolution.
(3) step (2) acquired solution is transferred in the reaction kettle of 100 mL polytetrafluoroethyllining linings, is placed in 120oC
Lower reaction 6 hours, after reacting end and being cooled to room temperature, products therefrom is centrifuged, with distilled water and dehydrated alcohol
In 90 after each washing 3 ~ 5 timesoC is 6 hours dry;Sample is placed in the middle part of tube furnace in 300 lateroC is calcined 3 hours, to be cooled
To get the cobalt nickel bimetal oxide of variety classes precipitating reagent preparation after to room temperature.
(4) by cobalt nickel bimetal oxide obtained in step (3): polyvinylidene fluoride: carbon black is according to mass ratio
85:5:10 is mixed, and 2 ~ 4mL is then added and analyzes pure n-methyl-2-pyrrolidone solvent, is applied to foam after grinding uniformly
On nickel, holding application area is 1.0 cm2, 100oIn 10 MPa pressure lower sheetings to get arriving different precipitatings after C dry 12 hours
The cobalt nickel bimetal oxide working electrode of agent preparation.
(5) working electrode made from step (4) is placed in the KOH electrolyte of 2.0 mol/L, in CHI660E under room temperature
Electrochemical property test is carried out on electrochemical workstation.
Cobalt nickel bimetal oxide obtained by the present invention can be as the electrode material application of supercapacitor.
The method of the present invention is easy to operate, easy to accomplish.Pass through cobalt nickel bimetal oxygen prepared by comparison variety classes precipitating reagent
The chemical property of compound, it can be deduced that: prepared cobalt nickel bimetal oxide tool when using hexamethylenetetramine as precipitating reagent
There is more excellent capacitive property.
Detailed description of the invention
Fig. 1 is the specific capacitance of cobalt nickel bimetal oxide made from the embodiment of the present invention and comparative example with the change of current density
Change figure.
Specific embodiment
Embodiment:
(1) 0.32 g nickel chloride, 0.65 g cobalt chloride and 70 mL distilled water are sequentially added into beaker, stirring is until solid
It is completely dissolved.
(2) 1.05 g hexamethylenetetramines are added to being put into stirring and dissolving in mixed solution obtained by step (1).
(3) step (2) acquired solution is transferred in the reaction kettle of 100 mL polytetrafluoroethyllining linings, is placed in 120oC
Lower reaction 6 hours, after reacting end and being cooled to room temperature, products therefrom is centrifuged, with distilled water and dehydrated alcohol
In 90 after each washing 3 timesoC is 6 hours dry;Sample is placed in the middle part of tube furnace in 300 lateroC is calcined 3 hours, is cooled to
To get the cobalt nickel bimetal oxide prepared using hexamethylenetetramine as precipitating reagent after room temperature, it is denoted as sample 1.
(4) by cobalt nickel bimetal oxide obtained in step (3): polyvinylidene fluoride: carbon black is according to mass ratio
85:5:10 is mixed, and 2mL is then added and analyzes pure n-methyl-2-pyrrolidone solvent, is applied to nickel foam after grinding uniformly
On, holding application area is 1.0 cm2, 100oThe work of sample 1 is arrived after C is 12 hours dry in 10 MPa pressure lower sheetings
Make electrode.
(5) working electrode made from step (4) is placed in the KOH electrolyte of 2.0 mol/L, in CHI660E under room temperature
Electrochemical property test is carried out on electrochemical workstation.
Comparative example:
(1) 0.32 g nickel chloride, 0.65 g cobalt chloride and 70 mL distilled water are sequentially added into beaker, stirring is until solid
It is completely dissolved.
(2) 1.35 g urea are added to being put into stirring and dissolving in mixed solution obtained by step (1).
(3) step (2) acquired solution is transferred in the reaction kettle of 100 mL polytetrafluoroethyllining linings, is placed in 120oC
Lower reaction 6 hours, after reacting end and being cooled to room temperature, products therefrom is centrifuged, with distilled water and dehydrated alcohol
In 90 after each washing 3 timesoC is 6 hours dry;Sample is placed in the middle part of tube furnace in 300 lateroC is calcined 3 hours, is cooled to
To get the cobalt nickel bimetal oxide prepared using urea as precipitating reagent after room temperature, it is denoted as sample 2.
(4) by cobalt nickel bimetal oxide obtained in step (3): polyvinylidene fluoride: carbon black is according to mass ratio
85:5:10 is mixed, and 2mL is then added and analyzes pure n-methyl-2-pyrrolidone solvent, is applied to nickel foam after grinding uniformly
On, holding application area is 1.0 cm2, 100oThe work of sample 2 is arrived after C is 12 hours dry in 10 MPa pressure lower sheetings
Make electrode.
(5) working electrode made from step (4) is placed in the KOH electrolyte of 2.0 mol/L, in CHI660E under room temperature
Electrochemical property test is carried out on electrochemical workstation.
Pass through the control of embodiment and comparative example, it will thus be seen that prepared cobalt when using hexamethylenetetramine as precipitating reagent
Nickel bimetal oxide has more excellent capacitive property;When current density is 1 A/g, specific capacitance value reaches 1052 F/
g。
Claims (2)
1. a kind of method that variety classes precipitating reagent prepares cobalt nickel bimetal oxide, it is characterised in that specific steps are as follows:
(1) 0.32 g nickel chloride, 0.65 g cobalt chloride and 70 mL distilled water are sequentially added into beaker, stirring is until solid
It is completely dissolved;
(2) by 1.05 g hexamethylenetetramines or 1.35 g urea be added to be put into mixed solution obtained by step (1) stir it is molten
Solution;
(3) step (2) acquired solution is transferred in the reaction kettle of 100 mL polytetrafluoroethyllining linings, is placed in 120oIt is anti-under C
It answers 6 hours, after reacting end and being cooled to room temperature, products therefrom is centrifuged, respectively washed with distilled water and dehydrated alcohol
In 90 after washing 3 ~ 5 timesoC is 6 hours dry;Sample is placed in the middle part of tube furnace in 300 lateroC is calcined 3 hours, is cooled to room
To get the cobalt nickel bimetal oxide of variety classes precipitating reagent preparation after temperature.
2. the application of the cobalt nickel bimetal oxide material of preparation method preparation according to claim 1, it is characterised in that should
Cobalt nickel bimetal oxide can be used as the electrode material of supercapacitor.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110993370A (en) * | 2019-11-22 | 2020-04-10 | 南京理工大学 | Ketjen black/NiCo2O4Preparation method of mixed super capacitor electrode material |
CN112830528A (en) * | 2021-04-22 | 2021-05-25 | 中国科学院过程工程研究所 | Nickel-cobalt bimetallic oxide, preparation method and application thereof |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104143450A (en) * | 2014-07-10 | 2014-11-12 | 东华大学 | Method for preparing NiCo2O4 composite electrode material coated with conducting polymer |
KR101736096B1 (en) * | 2016-01-22 | 2017-05-16 | 영남대학교 산학협력단 | Preparation method of mesoporous NiCo2O4 nanostructures |
CN106917106A (en) * | 2017-01-18 | 2017-07-04 | 北京化工大学 | A kind of preparation method by hydrotalcite topology Synthesis super thin metal alloy nano chip arrays material |
CN108933255A (en) * | 2018-06-21 | 2018-12-04 | 上海应用技术大学 | A kind of preparation method and application of cobalt acid nickel |
CN108987119A (en) * | 2018-07-02 | 2018-12-11 | 桂林电子科技大学 | A kind of poly-dopamine/carbon nanotube@cobalt-nickel oxide composite material and preparation method and application |
CN109119639A (en) * | 2018-08-02 | 2019-01-01 | 北京师范大学 | A kind of nickel cobalt layered double hydroxide/carbon paper composite, preparation method and application |
CN109254048A (en) * | 2018-11-05 | 2019-01-22 | 济南大学 | A kind of preparation method and application of the Nitrofuran antibiotics sensor based on cobalt-nickel oxide |
-
2019
- 2019-02-08 CN CN201910109299.7A patent/CN109734136A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104143450A (en) * | 2014-07-10 | 2014-11-12 | 东华大学 | Method for preparing NiCo2O4 composite electrode material coated with conducting polymer |
KR101736096B1 (en) * | 2016-01-22 | 2017-05-16 | 영남대학교 산학협력단 | Preparation method of mesoporous NiCo2O4 nanostructures |
CN106917106A (en) * | 2017-01-18 | 2017-07-04 | 北京化工大学 | A kind of preparation method by hydrotalcite topology Synthesis super thin metal alloy nano chip arrays material |
CN108933255A (en) * | 2018-06-21 | 2018-12-04 | 上海应用技术大学 | A kind of preparation method and application of cobalt acid nickel |
CN108987119A (en) * | 2018-07-02 | 2018-12-11 | 桂林电子科技大学 | A kind of poly-dopamine/carbon nanotube@cobalt-nickel oxide composite material and preparation method and application |
CN109119639A (en) * | 2018-08-02 | 2019-01-01 | 北京师范大学 | A kind of nickel cobalt layered double hydroxide/carbon paper composite, preparation method and application |
CN109254048A (en) * | 2018-11-05 | 2019-01-22 | 济南大学 | A kind of preparation method and application of the Nitrofuran antibiotics sensor based on cobalt-nickel oxide |
Non-Patent Citations (1)
Title |
---|
YUAN LI等: "Ultrathin hollow-structured NiCo2O4 nanorod supported on improved N-doped graphene for superior supercapacitor applications", 《JOURNAL OF ALLOYS AND COMPOUNDS》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110993370A (en) * | 2019-11-22 | 2020-04-10 | 南京理工大学 | Ketjen black/NiCo2O4Preparation method of mixed super capacitor electrode material |
CN110993370B (en) * | 2019-11-22 | 2022-02-18 | 南京理工大学 | Ketjen black/NiCo2O4Preparation method of mixed super capacitor electrode material |
CN112830528A (en) * | 2021-04-22 | 2021-05-25 | 中国科学院过程工程研究所 | Nickel-cobalt bimetallic oxide, preparation method and application thereof |
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