CN110060875A - Co base nano-chip arrays electrode and preparation method thereof for supercapacitor - Google Patents

Co base nano-chip arrays electrode and preparation method thereof for supercapacitor Download PDF

Info

Publication number
CN110060875A
CN110060875A CN201910356369.9A CN201910356369A CN110060875A CN 110060875 A CN110060875 A CN 110060875A CN 201910356369 A CN201910356369 A CN 201910356369A CN 110060875 A CN110060875 A CN 110060875A
Authority
CN
China
Prior art keywords
supercapacitor
chip arrays
base nano
electrode
preparation
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
CN201910356369.9A
Other languages
Chinese (zh)
Inventor
房贞兰
赵丽娜
刘美丽
徐宜秀
陈宝军
张兰天
袁小云
鞠强
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.)
Nanjing Tech University
Original Assignee
Nanjing Tech University
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 Nanjing Tech University filed Critical Nanjing Tech University
Priority to CN201910356369.9A priority Critical patent/CN110060875A/en
Publication of CN110060875A publication Critical patent/CN110060875A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/22Electrodes
    • H01G11/24Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/22Electrodes
    • H01G11/30Electrodes characterised by their material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/84Processes for the manufacture of hybrid or EDL capacitors, or components thereof
    • H01G11/86Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
    • 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

Abstract

A kind of Co base nano-chip arrays electrode and preparation method thereof for supercapacitor of the invention, which is characterized in that with Co (NO3)2·6H2O and Isosorbide-5-Nitrae-naphthalenedicarboxylic acid are reaction raw materials, and n,N-Dimethylformamide is solvent, and triethylamine is surfactant, and by one step hydro thermal method, the Co base nano-chip arrays electrode for supercapacitor is prepared.The invention has the beneficial effects that a kind of Co base nano-chip arrays electrode and preparation method thereof for supercapacitor provided by the invention has the advantage that raw material sources are wide, preparation cost is low;Preparation process is simple, at low cost, high-efficient;Product capacitive property, stability are superior;Product has orderly layer structure, as electrode of super capacitor reversible specific capacitance with higher, excellent high rate performance and stable cyclicity, has huge commercial applications prospect.

Description

Co base nano-chip arrays electrode and preparation method thereof for supercapacitor
Technical field
The invention belongs to electrochemical energy storing device technical fields, and in particular to a kind of Co base nanometer for supercapacitor Chip arrays electrode and preparation method thereof.
Background technique
Energy problem is the problem that the mankind are faced always for a long time, develops various energy conversions and storage facilities is Solve the important means of energy problem.
Supercapacitor relies primarily on redox fake capacitance and double electricity as a kind of novel energy storage conversion equipment Layer storage capacitors, capacitance are up to farads up to ten thousand, are able to achieve fast charging and discharging and high current power generation, have higher than lithium battery Power density and longer service life cycle.Become the energy storage device of researcher extensive concern.In recent years, with Electronic material device develops towards flexible, portable direction, and flexible super capacitor has become new material research and development One important directions.It has significant advantage in terms of power density and energy density, has compared with existing energy storage device It is flexible, light weight and cost is low, the characteristics such as environmental-friendly.
For carbon cloth due to big specific surface area, many advantages, such as stable chemical property, becomes ideal flexible electrode base Bottom material.Transition metal composite theoretical specific capacitance with higher and good chemical property, are used as supercapacitor The active material of electrode material is loaded on a flexible substrate, so that the flexible super capacitor of preparation takes into account excellent electrification The application that cyclical stability and biggish capacitance are it on portable and wearable flexible electronic device provides can Energy.The preparation of traditional flexible electrode be with coating method prepare, detailed process be first by active material, conductive agent and glue Agent mixing is connect, is then coated on a current collector.However, the addition of conductive agent and bonding agent can reduce the specific capacity of electrode, increase The complexity of process, and traditional flexible electrode is not amenable to pressure deformation and Bending Deformation repeatedly, poorly conductive etc., It is difficult to realize the requirement of the high specific capacitance to electrode material, excellent cycling stability.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of Co base nano-chip arrays electrodes for supercapacitor And preparation method thereof, the pattern of electrode material is optimized, the chemical property of electrode material is improved, and simplifies production stream Journey improves preparation efficiency.
A kind of preparation method of the Co base nano-chip arrays electrode for supercapacitor, comprising the following steps:
(1) carbon cloth is cut into the rectangle carbon cloth block of 1cm × 2cm, uses water: ethyl alcohol: acetone=1:1:1 mixing later Liquid ultrasonic cleaning, later drying overnight, weigh;
(2) triethylamine is dissolved in n,N-Dimethylformamide, stirs to get uniformly mixed mixed solution A, and stirring It is put into during mixing through step (1) treated aforementioned carbon cloth block;
(3) Co (NO is weighed3)2·6H2O and Isosorbide-5-Nitrae-naphthalenedicarboxylic acid are molten, are put into aforementioned mixed solution A, continue to stir to get Mixed solution B;
(4) aforementioned mixed solution B is transferred in the hydrothermal reaction kettle of 20mL together with the aforementioned carbon cloth block of the inside, it Aforementioned hydrothermal reaction kettle is placed in baking oven afterwards, slow temperature reaction;
(5) after reaction, aforementioned carbon cloth block is rinsed with deionized water and ethyl alcohol, then dried;
(6) aforementioned carbon cloth block is weighed using preceding, to determine having for the Co base nano-chip arrays electrode for supercapacitor Imitate quality.
As a preferred solution, the usage ratio of triethylamine described in step (2) and n,N-Dimethylformamide is 1mg:1mL, when stirring a length of 1h.
It is further preferred that Co (NO3) 26H2O described in step (3) and Isosorbide-5-Nitrae-naphthalenedicarboxylic acid dosage mass ratio are 4:3.
It is further preferred that hydrothermal reaction kettle described in step (4) is placed in baking oven slow temperature reaction process control Condition are as follows: aforementioned oven temperature gradually rises to 120 DEG C from room temperature in 30min, 3d is kept under the conditions of 120 DEG C, later with 4 ℃·h-1Speed be cooled to room temperature.
It is further preferred that the condition of drying described in step (5) is 80 DEG C of sufficiently drying overnight.
A kind of Co base nano-chip arrays electrode for supercapacitor, is used for using one kind described in aforementioned any one The preparation method of the Co base nano-chip arrays electrode of supercapacitor is prepared.
As a preferred solution, the material surface for being previously used for the Co base nano-chip arrays electrode of supercapacitor is Hexagon two-dimensional layer vertical nanowires structure.
It is further preferred that can be used as supercapacitor soft for the Co base nano-chip arrays electrode for being previously used for supercapacitor Property electrode, and specific capacitance is up to 844Fg-1
The invention has the beneficial effects that:
1. raw material sources are wide, preparation cost is low: the present invention is very rich in earth storage capacity using the metal salt of Co as raw material Richness, and it is cheap;
2. preparation process is simple, at low cost, high-efficient: the present invention uses hydrothermal reaction at low temperature, and condition requirement is more relaxed, instead Answer that cost is relatively low, and reproducible;And existing electrode material is overcome without adding conductive agent and binder in preparation process The disadvantages of material can not restore after being easy to fall off, bending in the process of bending;On the whole, preparation method of the invention it is at low cost, Operating process is easy to control, production efficiency with higher;
3. product capacitive property is superior: the present invention is with Co (NO3)2·6H2O and Isosorbide-5-Nitrae-naphthalenedicarboxylic acid are Co made from raw material The capacitor of base nano-chip arrays electrode is high, can be used as the use of high-efficiency energy-storage device materials, has huge application potential;
4. product stability can be superior: the present invention is with Co (NO3)2·6H2O and Isosorbide-5-Nitrae-naphthalenedicarboxylic acid are Co made from raw material The capacitor stability of base nano-chip arrays electrode is high, can recycle for a long time, decays small, can be used as sustainable and high-efficiency energy-storage device Materials'use has huge application potential;
5. product has orderly layer structure: a kind of Co base nano-chip arrays electricity for supercapacitor of the invention Great to have two-dimensional layered structure, nanometer sheet interval is reasonable, be conducive to electrolyte solution and electrode material come into full contact with and electricity Extremely conductive continuity, this orderly layer structure are conducive to the quick transmission of electrolyte ion;
6. product has Commercial Prospect: a kind of Co base nano-chip arrays electrode for supercapacitor of the present invention is used as Electrode of super capacitor reversible specific capacitance with higher, excellent high rate performance and stable cyclicity, can fast implement Commercial applications.
Detailed description of the invention
Fig. 1 is a kind of 15000 times of SEM figure of Co base nano-chip arrays electrode for supercapacitor of the invention;
Fig. 2 is a kind of 100000 times of SEM figure of Co base nano-chip arrays electrode for supercapacitor of the invention;
Fig. 3 is a kind of 1 μm of the material surface O element of Co base nano-chip arrays electrode for supercapacitor of the invention Distribution map;
Fig. 4 is a kind of 1 μ of material surface Co element of Co base nano-chip arrays electrode for supercapacitor of the invention M distribution map;
Fig. 5 is 1 μm of material surface N element of a kind of Co base nano-chip arrays electrode for supercapacitor of the invention Distribution map;
Fig. 6 is 1 μm of material surface C element of a kind of Co base nano-chip arrays electrode for supercapacitor of the invention Distribution map;
Fig. 7 be a kind of Co base nano-chip arrays electrode for supercapacitor of the invention sweep speed be 1~ 100mV s-1Cyclic voltammetry (CV) curve graph;
Fig. 8 be a kind of Co base nano-chip arrays electrode for supercapacitor of the invention current density be 3~ 20Ag-1Under charging and discharging curve figure;
It is 10Ag that Fig. 9, which is a kind of Co base nano-chip arrays electrode for supercapacitor of the invention in current density,-1 Capacity stability after lower 15000 circle of circulation can be schemed;
Figure 10 is a kind of infrared absorption spectra of Co base nano-chip arrays electrode for supercapacitor of the invention;
Figure 11 is a kind of high rate performance curve graph of Co base nano-chip arrays electrode for supercapacitor of the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Embodiment 1
A kind of preparation method of the Co base nano-chip arrays electrode for supercapacitor, comprising the following steps:
(1) carbon cloth is cut into the rectangle carbon cloth block of 1cm × 2cm, uses water: ethyl alcohol: acetone=1:1:1 mixing later Liquid ultrasonic cleaning, later drying overnight, weigh;
(2) 15mg triethylamine is dissolved in the n,N-Dimethylformamide of 15mL, it is molten stirs to get uniformly mixed mixing Liquid A, should during be put into through step (1) treated two panels carbon cloth block, mixing time 1h;
(3) Co (NO of 200mg is weighed3)2·6H2Isosorbide-5-Nitrae-naphthalenedicarboxylic acid of O and 150mg, is put into mixed solution A, continues to stir 1h is mixed, mixed solution B is obtained;
(4) mixed solution B is transferred in the hydrothermal reaction kettle of 20mL together with the carbon cloth block of the inside, later by hydro-thermal Reaction kettle is placed in slow temperature reaction in baking oven, controls reaction process condition are as follows: oven temperature is in 30min gradually from room temperature 120 DEG C are risen to, keeps 3d under the conditions of 120 DEG C, later with 4 DEG C of h-1Speed be cooled to room temperature;
(5) after reaction, it is rinsed carbon cloth block 3 times with deionized water and ethyl alcohol, it is abundant overnight then under the conditions of 80 DEG C Drying;
(6) preceding weighing carbon cloth block is being used, to determine the effective of the Co base nano-chip arrays electrode for supercapacitor Quality is 0.5mg.
Co base nano-chip arrays electrode for supercapacitor is detected, detection project includes capacitive property, shape Looks feature, material surface Elemental redistribution, cyclic voltammetry, constant current charge-discharge test, cyclical stability test, infrared absorption Spectrogram test, high rate performance test.
Capacitive property detection: electricity of the measurement for the Co base nano-chip arrays electrode of supercapacitor under three-electrode system Capacitive energy, using platinum plate electrode to Ag/AgCl electrode as reference electrode, test loop voltammetry and constant current charge-discharge curve, Potential window is -0.5~0.5V, current density 3Ag-1When, the Co base nano-chip arrays electrode for supercapacitor is than electricity Capacitance is up to 844Fg-1;It is 10Ag in current density-1Capacity retention is 95% after lower circulation 15000 times.
Shape characteristic detection: powerful SEM pattern is carried out to the Co base nano-chip arrays electrode for supercapacitor Figure detection, the result is shown in Figure 1-2.From figure 1 it appears that the structure of the Co base nano-chip arrays electrode for supercapacitor is The flower-like structure being made of vertical two-dimensional layer nanometer sheet;Fig. 2 can clearly show that nanometer sheet is one regular in Fig. 1 Hexagonal structure, the nanometer sheet of this structure flocks together, and spacing is reasonable, reduces ion transmission to a certain extent Resistance, and structure is hardly damaged and collapses, and ensure that the high circulation stability of capacitor.
Material surface Elemental redistribution: member is carried out to the material surface of the Co base nano-chip arrays electrode for supercapacitor Plain distribution map detection, is as a result shown in Fig. 3-6.It can be seen that essential element C, O, Co, N are evenly distributed in carbon from above-mentioned 4 figures On cloth, it is demonstrated by the superiority of the preparation method, this surface-element distribution facilitates the Co base nanometer for supercapacitor The excellent electrochemical performance of chip arrays electrode.
Cyclic voltammetry: to the Co base nano-chip arrays electrode progress for supercapacitor under different scanning rates Cyclic voltammetry (cv), test result is shown in Fig. 7.As can be seen from Figure 7 the Co base nano-chip arrays of supercapacitor are used for When the potential window of electrode is -0.5~0.5V, it is shown that wider potential window;And every CV curve presentation is almost symmetrical Rectangular shape, shows apparent Electric double-layer capacitor, and the good symmetry of curve has sufficiently reacted the high reversible of process;With Sweep speed from 1mVs-1Increase to 100mVs-1, CV curve still maintains similar shape, illustrates for supercapacitor Co base nano-chip arrays electrode has good high rate performance.
Constant current charge-discharge test: to the Co base nano-chip arrays electrode for supercapacitor under different current densities Constant current charge-discharge tested, test result is shown in Fig. 8.As can be seen from Figure 8 charging curve and discharge curve all have Symmetry illustrates that the Co base nano-chip arrays electrode for supercapacitor has good stability and high reversible, Potential window -0.5~0.5V, current density 3Ag-1When, specific capacitance value is up to 844Fg-1
Cyclical stability test: under same voltage window, current density 10Ag-1When to the Co for supercapacitor Base nano-chip arrays electrode carries out the Detection of Stability of 15000 circle of circulation, and test result is shown in Fig. 9.As can be seen from Figure 9 it is used for The Co base nano-chip arrays electrode of supercapacitor under biggish current density have excellent cyclical stability, it is potential at For novel business material.
Infrared absorption spectra test: infrared absorption spectra is carried out to the Co base nano-chip arrays electrode for supercapacitor Test, test result are shown in Figure 10.As can be seen from Figure 10 the ligand reacted is still present in sample, so Co base nanometer sheet It can determine that as complex structure.
High rate performance test: high rate performance test is carried out to the Co base nano-chip arrays electrode for supercapacitor, is surveyed Test result is shown in Figure 11.As can be seen from Figure 11 when current density is from 3Ag-1Increase to 20Ag-1When, capacitance fade amplitude is little, Showing the Co base nano-chip arrays electrode for supercapacitor has good high rate performance.
It should be appreciated that described above, the specific embodiments are only for explaining the present invention, is not intended to limit the present invention.By The obvious changes or variations that spirit of the invention is extended out are still in the protection scope of this invention.

Claims (8)

1. a kind of preparation method of the Co base nano-chip arrays electrode for supercapacitor, which is characterized in that including following step It is rapid:
(1) carbon cloth is cut into the rectangle carbon cloth block of 1cm × 2cm, use water: ethyl alcohol later: acetone=1:1:1 mixed liquor is super Sound cleaning, later drying overnight, weigh;
(2) triethylamine is dissolved in n,N-Dimethylformamide, stirs to get uniformly mixed mixed solution A, and stirred It is put into journey through step (1) treated the carbon cloth block;
(3) Co (NO is weighed3)2·6H2O and Isosorbide-5-Nitrae-naphthalenedicarboxylic acid are molten, are put into the mixed solution A, continue to stir to get mixing Solution B;
(4) the mixed solution B is transferred in the hydrothermal reaction kettle of 20mL together with the carbon cloth block of the inside, later will The hydrothermal reaction kettle is placed in baking oven, slow temperature reaction;
(5) after reaction, the carbon cloth block is rinsed with deionized water and ethyl alcohol, then dried;
(6) the carbon cloth block is weighed using preceding, to determine effective matter of the Co base nano-chip arrays electrode for supercapacitor Amount.
2. a kind of preparation method of Co base nano-chip arrays electrode for supercapacitor according to claim 1, It is characterized in that, the usage ratio of triethylamine described in step (2) and n,N-Dimethylformamide is 1mg:1mL, and when stirring is a length of 1h。
3. a kind of preparation method of Co base nano-chip arrays electrode for supercapacitor according to claim 1, It is characterized in that, Co (NO3) 26H2O described in step (3) and Isosorbide-5-Nitrae-naphthalenedicarboxylic acid dosage mass ratio are 4:3.
4. a kind of preparation method of Co base nano-chip arrays electrode for supercapacitor according to claim 1, It is characterized in that, hydrothermal reaction kettle described in step (4) is placed in the condition of slow temperature reaction process control in baking oven are as follows: described Oven temperature gradually rises to 120 DEG C from room temperature in 30min, keeps 3d under the conditions of 120 DEG C, later with 4 DEG C of h-1Speed It is cooled to room temperature.
5. a kind of preparation method of Co base nano-chip arrays electrode for supercapacitor according to claim 1, It is characterized in that, the condition of drying described in step (5) is 80 DEG C of sufficiently drying overnight.
6. a kind of Co base nano-chip arrays electrode for supercapacitor, which is characterized in that described for supercapacitor Co base nano-chip arrays electrode is using a kind of Co base nanometer sheet for supercapacitor described in claim 1-5 any one The preparation method of array electrode is prepared.
7. a kind of Co base nano-chip arrays electrode for supercapacitor according to claim 6, which is characterized in that institute The material surface for stating the Co base nano-chip arrays electrode for supercapacitor is hexagon two-dimensional layer vertical nanowires structure.
8. a kind of Co base nano-chip arrays electrode for supercapacitor according to claim 7, which is characterized in that institute It states and can be used as supercapacitor flexible electrode for the Co base nano-chip arrays electrode of supercapacitor, and specific capacitance is reachable 844Fg-1
CN201910356369.9A 2019-04-29 2019-04-29 Co base nano-chip arrays electrode and preparation method thereof for supercapacitor Pending CN110060875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910356369.9A CN110060875A (en) 2019-04-29 2019-04-29 Co base nano-chip arrays electrode and preparation method thereof for supercapacitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910356369.9A CN110060875A (en) 2019-04-29 2019-04-29 Co base nano-chip arrays electrode and preparation method thereof for supercapacitor

Publications (1)

Publication Number Publication Date
CN110060875A true CN110060875A (en) 2019-07-26

Family

ID=67321670

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910356369.9A Pending CN110060875A (en) 2019-04-29 2019-04-29 Co base nano-chip arrays electrode and preparation method thereof for supercapacitor

Country Status (1)

Country Link
CN (1) CN110060875A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108172418A (en) * 2018-01-14 2018-06-15 常州大学 Aromatic carboxylic acids class transition metal organic framework and its preparation method and application
CN108346522A (en) * 2018-03-28 2018-07-31 安徽师范大学 A kind of cobaltosic oxide hierarchical structure nano-array material, preparation method and applications
CN108492999A (en) * 2018-02-01 2018-09-04 四川大学 A method of three-dimensional structure Co-MOF/NF electrode material for super capacitor is prepared in situ based on nickel foam
CN109166733A (en) * 2018-09-30 2019-01-08 北京印刷学院 A kind of method that hydro-thermal method prepares Ni/Co base MOF material
CN109273279A (en) * 2018-11-26 2019-01-25 河南城建学院 A kind of electrode material for super capacitor
CN109585182A (en) * 2018-10-23 2019-04-05 江苏大学 The preparation method of the nickel-cobalt alloy nano chip arrays of sulphur cobalt nickel coated

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108172418A (en) * 2018-01-14 2018-06-15 常州大学 Aromatic carboxylic acids class transition metal organic framework and its preparation method and application
CN108492999A (en) * 2018-02-01 2018-09-04 四川大学 A method of three-dimensional structure Co-MOF/NF electrode material for super capacitor is prepared in situ based on nickel foam
CN108346522A (en) * 2018-03-28 2018-07-31 安徽师范大学 A kind of cobaltosic oxide hierarchical structure nano-array material, preparation method and applications
CN109166733A (en) * 2018-09-30 2019-01-08 北京印刷学院 A kind of method that hydro-thermal method prepares Ni/Co base MOF material
CN109585182A (en) * 2018-10-23 2019-04-05 江苏大学 The preparation method of the nickel-cobalt alloy nano chip arrays of sulphur cobalt nickel coated
CN109273279A (en) * 2018-11-26 2019-01-25 河南城建学院 A kind of electrode material for super capacitor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
GUILEI ZHU等: "A self-supported hierarchical Co-MOF as a supercapacitor electrode with ultrahigh areal capacitance and excellent rate performance", 《CHEMICAL COMMUNICATIONS》 *
刘鹏刚: "金属有机骨架及衍生物作为锂离子电池负极材料的研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 *

Similar Documents

Publication Publication Date Title
CN112670093A (en) Porous Co3O4@ Ni-MOF core-shell structure nanosheet array material and preparation method and application thereof
CN102800432A (en) Method for preparing oxidized graphene/conductive polypyrrole nano wire composite material
CN104795252A (en) Preparation method for super-capacitor electrode assembled by ultrathin Ti3C2 nano-sheets
CN106927463A (en) A kind of method for preparing electrode of super capacitor carbon material as carbon source with radish
CN106898503A (en) A kind of cobalt acid nickel/cobalt sulfide nickel nano composite material of bar-shaped core shell structure, preparation method and applications
CN104616910A (en) Carbon-coating titanium based nano array material and preparation method and application thereof
CN104616905A (en) Polyaniline-carbon layer-titanium nitride nanowire array composite material and preparation method and application thereof
CN110335762A (en) A kind of preparation of GO/Cu-HHTP composite material and its application in electrochemical energy storage
CN108597896A (en) A kind of preparation method and application of the cobalt phosphate nanometer sheet of Leaves'Shape
CN108400023A (en) A kind of three-dimensional nitrogen-doped carbon foam combination electrode material and preparation method thereof
CN110400907A (en) A kind of preparation method of external application formula lead carbon battery cathode
CN110335757A (en) A kind of copper and tin sulphur Cu2SnS3/ carbon quantum dot composite material and preparation method and the application in supercapacitor
CN109904007A (en) A kind of preparation method of spongy nitrogen sulphur codope porous carbon electrode material
CN106006576A (en) Nanomaterial used as supercapacitor electrode material, and preparation method thereof
CN111268745A (en) NiMoO4@Co3O4Core-shell nano composite material, preparation method and application
CN109994320A (en) A kind of preparation that π-d is conjugated Cu-MOF/ carbonization titanium composite material and its application in electrochemical energy storage
CN109545573A (en) The preparation method of metal 1T phase sulfuration rhenium hollow nanospheres electrode material for super capacitor
CN109036861A (en) Flexible solid paper base supercapacitor and forming method thereof
CN108281292A (en) A kind of preparation method and applications of Ni-Co-S nano needle arrays
CN106380599B (en) A kind of preparation method and application of cauliflower shape p-methyl benzenesulfonic acid natrium doping polypyrrole
CN110060875A (en) Co base nano-chip arrays electrode and preparation method thereof for supercapacitor
CN110010360A (en) A kind of closely spherical nickel molybdate/Asia phthalocyanine composite material and its preparation method and application
CN110190268A (en) A kind of SnSe2The preparation method of/CNTs composite lithium ion battery material
CN109903997A (en) A kind of porous laminated combination electrode material and preparation method and application
CN109326452A (en) A kind of preparation method and application of polypyrrole/polyaniline double-walled nanotubes electrode

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20190726

RJ01 Rejection of invention patent application after publication