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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
precipitating reagent
cobalt nickel
bimetal oxide
nickel bimetal
variety classes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910109299.7A
Other languages
Chinese (zh)
Inventor
陈佳钰
李彦杰
冯艳艳
韦金兰
李沅蓉
韦莹莹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guilin University of Technology
Original Assignee
Guilin University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guilin University of Technology filed Critical Guilin University of Technology
Priority to CN201910109299.7A priority Critical patent/CN109734136A/en
Publication of CN109734136A publication Critical patent/CN109734136A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/13Energy storage using capacitors

Landscapes

  • Inorganic Compounds Of Heavy Metals (AREA)

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

Variety classes precipitating reagent prepares the method and application of cobalt nickel bimetal oxide
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.
CN201910109299.7A 2019-02-08 2019-02-08 Variety classes precipitating reagent prepares the method and application of cobalt nickel bimetal oxide Pending CN109734136A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910109299.7A CN109734136A (en) 2019-02-08 2019-02-08 Variety classes precipitating reagent prepares the method and application of cobalt nickel bimetal oxide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910109299.7A CN109734136A (en) 2019-02-08 2019-02-08 Variety classes precipitating reagent prepares the method and application of cobalt nickel bimetal oxide

Publications (1)

Publication Number Publication Date
CN109734136A true CN109734136A (en) 2019-05-10

Family

ID=66367254

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910109299.7A Pending CN109734136A (en) 2019-02-08 2019-02-08 Variety classes precipitating reagent prepares the method and application of cobalt nickel bimetal oxide

Country Status (1)

Country Link
CN (1) CN109734136A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN106952743B (en) The preparation and its application of a kind of cobaltosic oxide/carbon@molybdenum disulfide core-shell materials
CN105226264B (en) A kind of sodium-ion battery richness sodium positive electrode and preparation method thereof and sodium-ion battery
CN102891016A (en) Nickel cobaltate-graphene composite material and application and preparation method thereof
CN105289643B (en) A kind of mangaic acid nickel carbon nano-tube composite catalyst and its preparation and application
CN105931857B (en) Cobalt acid lanthanum sub-micron ball electrode material preparation method with loose structure
CN107516741B (en) Synthesis method of metal Co-loaded N-doped three-dimensional porous carbon material with excellent electrocatalytic oxygen reduction performance
CN110028113A (en) A kind of preparation method and applications of cobalt nickel bimetal hydroxide nano piece
CN109686925A (en) A kind of Zinc ion battery and its MnO2The preparation method of/C positive electrode material
CN107059050B (en) One-dimensional metal oxide loads titanium-based electro-catalysis membrane and preparation method and catalytic applications
CN109734136A (en) Variety classes precipitating reagent prepares the method and application of cobalt nickel bimetal oxide
CN106876682A (en) A kind of manganese oxide with loose structure/nickel micron ball and its preparation and application
CN101630736B (en) Improvement method of cycle performance of lithium battery tertiary cathode material
CN104817119A (en) Preparation method and applications of transition metallide
CN105006376B (en) A kind of preparation method of carbon nanotube and nickel oxide composite material
CN105826082A (en) Integrated super capacitor electrode material preparation method and applications thereof
CN111146016A (en) Flaky nickel sulfide/nickel-vanadium double hydroxide/graphene composite material for super capacitor and preparation method thereof
CN106953087B (en) Cobalt acid zinc, cobalt acid zinc/carbon cloth flexible composite preparation method and applications
CN109860536A (en) A kind of lithium-rich manganese base material and its preparation method and application
CN108975280A (en) A kind of nano-sulfur particles dispersion liquid and preparation method thereof, nano-sulfur particles and lithium-sulfur cell
CN109786126B (en) Preparation method and application of water system high-voltage electrode material
CN110416560A (en) A kind of calcium Mn oxide material and its preparation method and application
CN108806995B (en) A kind of g-C3N4@NiCo2O4The preparation method of core-shell structure
CN107221446B (en) A kind of Co-Ni-Mn oxide composite and its preparation method and application
CN110015663A (en) A kind of preparation method and application of the porous carbon materials based on phenolic resin
CN109545573A (en) The preparation method of metal 1T phase sulfuration rhenium hollow nanospheres electrode material for super capacitor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190510

WD01 Invention patent application deemed withdrawn after publication