CN104361999A - Carbon nano-tube @ nickel manganese core-shell heterostructure material, and preparation method and application thereof - Google Patents

Carbon nano-tube @ nickel manganese core-shell heterostructure material, and preparation method and application thereof Download PDF

Info

Publication number
CN104361999A
CN104361999A CN201410626056.8A CN201410626056A CN104361999A CN 104361999 A CN104361999 A CN 104361999A CN 201410626056 A CN201410626056 A CN 201410626056A CN 104361999 A CN104361999 A CN 104361999A
Authority
CN
China
Prior art keywords
tube
carbon nano
preparation
application
heterogeneous structure
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.)
Granted
Application number
CN201410626056.8A
Other languages
Chinese (zh)
Other versions
CN104361999B (en
Inventor
张小俊
南红红
马文勤
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.)
Anhui Normal University
Original Assignee
Anhui Normal 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 Anhui Normal University filed Critical Anhui Normal University
Priority to CN201410626056.8A priority Critical patent/CN104361999B/en
Publication of CN104361999A publication Critical patent/CN104361999A/en
Application granted granted Critical
Publication of CN104361999B publication Critical patent/CN104361999B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/22—Electrodes
    • H01G11/24—Electrodes 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/22—Electrodes
    • H01G11/30—Electrodes characterised by their material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
    • H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
    • 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

Abstract

The invention discloses carbon nano-tube @ nickel manganese core-shell heterostructure material, and a preparation method and application thereof. The preparation method includes: in a closed high-temperature high-pressure reactor, using secondary distillate as reaction solvent, adding nickel chloride and potassium permanganate, mixing them well, and generating a high-pressure environment through a heating reaction system to prepare the material. Compared with the prior art, the carbon nano-tube @ nickel manganese core-shell heterostructure material and the preparation method and application thereof have the advantages that products of the preparation method are high in purity, good in dispersity, good in crystal shape and well controllable, production cost is low, and reproducibility is good; after used to modify a copper sheet, electrode material for a supercapacitor is directly made, good cycling stability, high specific capacitance and high energy density and power density are achieved, and the material has potential value of application in energy storage.

Description

A kind of carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material, its preparation method and application
Technical field
The invention belongs to technical field of nano material, be specifically related to a kind of carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material, preparation method and application thereof.
Background technology
The development of advancing by leaps and bounds along with science and technology and the update of electronic product, the research of electrode material for super capacitor has caused the great interest of researchers.At present, traditional electrode material for super capacitor mainly contains following a few class: material with carbon element class electrode material, conducting polymer class electrode material, metal oxide-type electrode material.But, in actual applications, it is found that, more or less all there is respective defect in these traditional electrode materials, as: active area is little, and poorly conductive, capacitance are low, circulation timei is short, energy density and power density little, due to the existence of these defects, be difficult to meet application demand higher in reality.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material and preparation method thereof.
Present invention also offers a kind of application of carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material, ultracapacitor is applied.
A kind of carbon nano-tube mangaic acid nickel nucleocapsid heterogeneous structure material provided by the invention take carbon nano-tube as skeleton, in its outside coated sheet mangaic acid nickel nano material, forms core-shell nano dissimilar materials.
The preparation method of a kind of carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material provided by the invention, comprises the following steps:
A, by carbon nano-tube by after nitric acid reflow treatment, it is neutral for being washed to PH with second distillation, leaves standstill a period of time, pours out supernatant liquor, decompress filter, oven dry, can obtain pure carbon nano-tube after whole precipitations;
B, by the carbon nano-tube of above-mentioned process and redistilled water mixing, stir obtain mixed solution;
C, nickel chloride, potassium permanganate are added above-mentioned mixed solution successively, stir and obtain mixing homogeneous solution, and then transfer in reactor, reactor is airtight, reacts 4-8h, be cooled to room temperature at 80-120 DEG C, centrifugal, cleaning, i.e. obtained carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material.
Mass concentration >=60% of nitric acid used in step a;
In step b, the concentration of carbon nano-tube in redistilled water is 0.3-0.8g/L.
Nickel chloride concentration>=0.02mol L in mixed solution in step c -1, potassium permanganate is concentration>=0.05mol L in mixed solution -1, the volume>=15mL of redistilled water.
In step b and c, stirring means is: utilize magnetic stirrer, and rotating speed is >=2000r/s, mixing time >=1h.
The application of a kind of carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material provided by the invention, as the application of the electrode material of ultracapacitor.
The method preparing carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material provided by the invention, in airtight high-temperature high-pressure reaction kettle, adopt redistilled water as reaction dissolvent, add nickel chloride, potassium permanganate mixes, by heating reaction system, produce a hyperbaric environment and prepare a kind of effective ways of carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material.Compare with prior art, preparation method's product purity of the present invention be high, good dispersion, good crystalline and can control, production cost is low, favorable reproducibility.Prepared carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material is modified on copper sheet, can directly as the electrode material of ultracapacitor, achieve good cyclical stability, large concrete electric capacity, high energy density and power density, and be assembled into flexible Asymmetric Supercapacitor with stannic oxide/graphene nano material, further increase voltage range, improve energy density and power density, there is potential using value in stored energy.
Accompanying drawing explanation
Fig. 1 is the electron scanning micrograph (SEM) of carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material prepared by embodiment 1;
Fig. 2 is the X-ray diffraction photo (XRD) of carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material prepared by embodiment 1;
Fig. 3 is the cyclic voltammetry curve (CV) of carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material prepared by embodiment 1;
Fig. 4 is the charging and discharging curve of carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material prepared by embodiment 1;
Fig. 5 is the impedance plot of carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material prepared by embodiment 1;
Fig. 6 is the electron scanning micrograph (SEM) of carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material prepared by embodiment 2;
Fig. 7 is the electron scanning micrograph (SEM) of carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material prepared by embodiment 3;
Fig. 8 is the electron scanning micrograph (SEM) of carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material prepared by embodiment 4.
Embodiment
Embodiment 1
A preparation method for carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material, comprises the following steps:
A, by carbon nano-tube by mass concentration be 60% nitric acid reflow treatment, then it is neutral for being washed to PH with second distillation, then leaves standstill a period of time, after all precipitating, pours out supernatant liquor, carry out decompress filter, oven dry again, pure carbon nano-tube can be obtained;
B, the 0.01g carbon nano-tube accurately taking above-mentioned process and 20ml redistilled water mix, and carry out magnetic force 1h and stir the homogeneous solution of formation mixing under magnetic stirring apparatus rotating speed is 3000r/s;
C, 0.5mmol nickel chloride, 1mmol potassium permanganate are added above-mentioned mixing successively, stir 2h and obtain mixed liquor, transfer in reactor, reactor is airtight, 6h is reacted at 100 DEG C, be cooled to room temperature, centrifugal, cleaning, i.e. obtained carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structural nano array material.
An application for carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material, as the application of the electrode material of ultracapacitor.
As shown in Figure 1, the growth of this heterostructure composite material, on the surface of carbon nano-tube, forms core-shell nano dissimilar materials to the pattern of made carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material.
Get 10mL 6 M KOH solution and put into electrolysis tank as electrolyte solution, the carbon nano-tube of preparation in embodiment 1, mangaic acid nickel nucleocapsid heterogeneous structural nano composite material are modified at as work electrode on copper sheet, sweep speed for 5mV s -1time survey cyclic voltammetry curve, then sweeping speed for 10mV s -1time survey cyclic voltammetry curve, the like obtain sweeping speed for 20mV s -1, 50mV s -1, 100mV s -1, as can be seen from the CV figure obtained, along with the increase voltage linear relation of sweeping speed, cyclic voltammogram as shown in Figure 3.
Get 10mL 6 M KaOH solution and put into electrolysis tank as electrolyte solution, the carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material of preparation in embodiment 1 is modified at as work electrode on copper sheet, at 1A g -1time obtain charging and discharging curve, at 2A g -1time obtain charging and discharging curve, at 5A g -1time obtain charging and discharging curve, at 10A g -1time obtain charging and discharging curve, at 20A g -1time obtain charging and discharging curve, can show that carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material compares other material capacity as electrode from charging and discharging curve Fig. 4 very large, be 1A g by calculating in current density -1time, maximum concrete electric capacity is 1119 Fg -1.
Embodiment 2
A preparation method for carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material, comprises the following steps:
A, by carbon nano-tube by mass concentration be 60% nitric acid reflow treatment, then it is neutral for being washed to PH with second distillation, then leaves standstill a period of time, after all precipitating, pours out supernatant liquor, carry out decompress filter, oven dry again, pure carbon nano-tube can be obtained;
B, the 0.008g carbon nano-tube accurately taking above-mentioned process and 20ml redistilled water mix, and carry out magnetic force 1h and stir the homogeneous solution of formation mixing under magnetic stirring apparatus rotating speed is 3000r;
C, 0.6mmol nickel chloride, 1.5mmol potassium permanganate are added above-mentioned mixing successively, stir 2h and obtain mixed liquor, transfer in reactor, reactor is airtight, 4h is reacted at 100 DEG C, be cooled to room temperature, centrifugal, cleaning, i.e. obtained carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structural nano array material.
An application for carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material, as the application of the electrode material of ultracapacitor.
Embodiment 3
A preparation method for carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material, comprises the following steps:
A, by carbon nano-tube by nitric acid reflow treatment, it is neutral for being then washed to PH with second distillation, then leaves standstill a period of time, pours out supernatant liquor, then carries out decompress filter, oven dry, can obtain pure carbon nano-tube after whole precipitations;
B, the 0.015g carbon nano-tube accurately taking above-mentioned process and 20ml redistilled water mix, and carry out magnetic force 1h and stir the homogeneous solution of formation mixing under magnetic stirring apparatus rotating speed is 3000r/s;
C, 0.8mmol nickel chloride, 2mmol potassium permanganate are added above-mentioned mixing successively, stir 2h and obtain mixed liquor, transfer in reactor, reactor is airtight, 6h is reacted at 80 DEG C, be cooled to room temperature, centrifugal, cleaning, i.e. obtained carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structural nano array material.
An application for carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material, as the application of the electrode material of ultracapacitor.
Embodiment 4
A preparation method for carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material, comprises the following steps:
A, by carbon nano-tube by nitric acid reflow treatment, it is neutral for being then washed to PH with second distillation, then leaves standstill a period of time, pours out supernatant liquor, then carries out decompress filter, oven dry, can obtain pure carbon nano-tube after whole precipitations;
B, the 0.01g carbon nano-tube accurately taking above-mentioned process and 20ml redistilled water mix, and carry out magnetic force 1h and stir the homogeneous solution of formation mixing under magnetic stirring apparatus rotating speed is 3000r/s;
C, 1mmol nickel chloride, 1mmol potassium permanganate are added above-mentioned mixing successively, stir 2h and obtain mixed liquor, transfer in reactor, reactor is airtight, reacts 6h, be cooled to room temperature at 100 DEG C, centrifugal, cleaning, i.e. obtained carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material.
An application for carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material, as the application of the electrode material of ultracapacitor.

Claims (9)

1. a carbon nano-tube mangaic acid nickel nucleocapsid heterogeneous structure material, is characterized in that, take carbon nano-tube as skeleton, in its outside coated sheet mangaic acid nickel nano material, forms core-shell nano dissimilar materials.
2. a preparation method for carbon nano-tube mangaic acid nickel nucleocapsid heterogeneous structure material according to claim 1, is characterized in that, comprise the following steps:
A, by carbon nano-tube by after nitric acid reflow treatment, it is neutral for being washed to PH with second distillation, leaves standstill a period of time, pours out supernatant liquor, decompress filter, oven dry, can obtain pure carbon nano-tube after whole precipitations;
B, by the carbon nano-tube of above-mentioned process and redistilled water mixing, stir obtain mixed solution;
C, nickel chloride, potassium permanganate are added above-mentioned mixed solution successively, stir and obtain mixing homogeneous solution, and then transfer in reactor, reactor is airtight, reacts 4-8h, be cooled to room temperature at 80-120 DEG C, centrifugal, cleaning, i.e. obtained carbon nano-tube@mangaic acid nickel nucleocapsid heterogeneous structure material.
3. preparation method according to claim 2, is characterized in that, mass concentration >=60% of nitric acid used in step a.
4. preparation method according to claim 2, is characterized in that, in step b, the concentration of carbon nano-tube in redistilled water is 0.3-0.8g/L.
5. preparation method according to claim 2, is characterized in that, nickel chloride concentration>=0.02mol L in mixed solution in step c -1.
6. preparation method according to claim 2, is characterized in that, potassium permanganate concentration>=0.05mol L in mixed solution in step c -1.
7. preparation method according to claim 2, is characterized in that, the volume >=15mL of redistilled water in step c.
8. preparation method according to claim 2, is characterized in that, in step b and c, stirring means is: utilize magnetic stirrer, and rotating speed is >=2000r/s, mixing time >=1h.
9. an application for carbon nano-tube mangaic acid nickel nucleocapsid heterogeneous structure material according to claim 1, is characterized in that, as the application of the electrode material of ultracapacitor.
CN201410626056.8A 2014-11-08 2014-11-08 Carbon nano-tube @ nickel manganese core-shell heterostructure material, and preparation method and application thereof Expired - Fee Related CN104361999B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410626056.8A CN104361999B (en) 2014-11-08 2014-11-08 Carbon nano-tube @ nickel manganese core-shell heterostructure material, and preparation method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410626056.8A CN104361999B (en) 2014-11-08 2014-11-08 Carbon nano-tube @ nickel manganese core-shell heterostructure material, and preparation method and application thereof

Publications (2)

Publication Number Publication Date
CN104361999A true CN104361999A (en) 2015-02-18
CN104361999B CN104361999B (en) 2017-05-10

Family

ID=52529254

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410626056.8A Expired - Fee Related CN104361999B (en) 2014-11-08 2014-11-08 Carbon nano-tube @ nickel manganese core-shell heterostructure material, and preparation method and application thereof

Country Status (1)

Country Link
CN (1) CN104361999B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105289643A (en) * 2015-11-11 2016-02-03 东华大学 Nickel manganese/carbon nanotube composite catalyst and preparation and application thereof
CN109741966A (en) * 2019-02-27 2019-05-10 江西理工大学 A kind of Ni with core-shell structure feature6MnO8@carbon nano tube compound material and its preparation method and application
CN109752432A (en) * 2019-01-31 2019-05-14 西南大学 A kind of anti-ascorbate sensor electrode and preparation method thereof with nanometer mangaic acid nickel
CN109859961A (en) * 2018-10-29 2019-06-07 哈尔滨工业大学（深圳） A kind of preparation method of the flexible super capacitor electrode based on chemical & blended fabric
CN111558379A (en) * 2020-05-21 2020-08-21 苏州大学 Preparation method of hollow spherical black lead copper ore phase metal oxide electrocatalyst, electrocatalyst and application thereof
CN111812178A (en) * 2020-07-29 2020-10-23 成都师范学院 Preparation and application methods of immunosensor for detecting classical swine fever virus by nickel manganate material

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103579638A (en) * 2013-11-11 2014-02-12 上海中聚佳华电池科技有限公司 Air electrode catalyst of lithium air battery and preparation method of air electrode catalyst
CN103943838A (en) * 2014-04-21 2014-07-23 西安交通大学 Preparation method of metal oxide nanosheet and carbon nanotube composite energy-storage material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103579638A (en) * 2013-11-11 2014-02-12 上海中聚佳华电池科技有限公司 Air electrode catalyst of lithium air battery and preparation method of air electrode catalyst
CN103943838A (en) * 2014-04-21 2014-07-23 西安交通大学 Preparation method of metal oxide nanosheet and carbon nanotube composite energy-storage material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WENPEI KANG等: "High interfacial storage capability of porous NiMn2O4/C hierarchical tremella-like nanostructures as the lithium ion battery anode", 《NANOSCALE》 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105289643A (en) * 2015-11-11 2016-02-03 东华大学 Nickel manganese/carbon nanotube composite catalyst and preparation and application thereof
CN105289643B (en) * 2015-11-11 2018-01-02 东华大学 A kind of mangaic acid nickel carbon nano-tube composite catalyst and its preparation and application
CN109859961A (en) * 2018-10-29 2019-06-07 哈尔滨工业大学（深圳） A kind of preparation method of the flexible super capacitor electrode based on chemical & blended fabric
CN109752432A (en) * 2019-01-31 2019-05-14 西南大学 A kind of anti-ascorbate sensor electrode and preparation method thereof with nanometer mangaic acid nickel
CN109752432B (en) * 2019-01-31 2021-02-26 西南大学 Ascorbic acid sensor electrode with nano nickel manganate and preparation method thereof
CN109741966A (en) * 2019-02-27 2019-05-10 江西理工大学 A kind of Ni with core-shell structure feature6MnO8@carbon nano tube compound material and its preparation method and application
CN109741966B (en) * 2019-02-27 2020-10-09 江西理工大学 Ni6MnO8@ carbon nanotube composite material and preparation method and application thereof
CN111558379A (en) * 2020-05-21 2020-08-21 苏州大学 Preparation method of hollow spherical black lead copper ore phase metal oxide electrocatalyst, electrocatalyst and application thereof
CN111812178A (en) * 2020-07-29 2020-10-23 成都师范学院 Preparation and application methods of immunosensor for detecting classical swine fever virus by nickel manganate material
CN111812178B (en) * 2020-07-29 2023-02-24 成都师范学院 Preparation and application methods of immunosensor for detecting classical swine fever virus by using nickel manganate material

Also Published As

Publication number Publication date
CN104361999B (en) 2017-05-10

Similar Documents

Publication Publication Date Title
CN104361999A (en) Carbon nano-tube @ nickel manganese core-shell heterostructure material, and preparation method and application thereof
Chen et al. Microwave–hydrothermal crystallization of polymorphic MnO2 for electrochemical energy storage
Liao et al. Hydrothermal synthesis of mesoporous MnCo2O4/CoCo2O4 ellipsoid-like microstructures for high-performance electrochemical supercapacitors
CN104201363B (en) The coated Li of a kind of carbon3VO4Lithium ion battery cathode material and its preparation method
CN106904653B (en) It the preparation method of vanadium dioxide nano material and is applied in magnesium chargeable battery
Chen et al. YbCl3 electrode in alkaline aqueous electrolyte with high pseudocapacitance
CN106229503B (en) A kind of preparation method of nickel oxide/graphene nanocomposite material, negative electrode of lithium ion battery, lithium ion battery
CN105140046B (en) A kind of nanometer of γ-MnO2The preparation method and applications of/graphene aerogel composite material
CN103700829B (en) Titanium dioxide (B)-Graphene is from the preparation method of winding nano composite material
CN104465117A (en) ZnCo2O4@MnO core-shell heterostructure nanotube array material, and preparation method and application thereof
CN105280897B (en) A kind of preparation method of lithium ion battery negative material C/ZnO/Cu composites
CN108597890A (en) A kind of polyaniline/graphene/nickel manganese hydroxide electrode material for super capacitor and preparation method thereof
CN105632787B (en) A kind of preparation method of the nano combined electrode material for super capacitor of cobalt oxide/graphene
CN103316706A (en) Metal-doped polyaniline and polypyrrole compound carbonization electric catalyst and preparation method thereof
CN105513822A (en) Method for preparing electrode materials with hollow carbon fibers coated with manganese dioxide
CN108298588A (en) It is a kind of to prepare δ-MnO2The method of nanometer sheet
CN104465124A (en) Water system asymmetric type supercapacitor based on NiCo2O4-based composite
CN110416539A (en) Polypyrrole coats three-dimensional grapheme cobaltosic oxide lithium cell negative pole material preparation method
CN107162066A (en) A kind of nickel doped cobaltic-cobaltous oxide nano flower composite material and its preparation method and application
CN111217361B (en) Method for preparing graphene nanosheet through electrochemical cathode stripping
CN104752070A (en) Zinc oxide, manganese dioxide and polypyrrole ternary core-shell heterostructure nanorod array material, preparation method and application thereof
CN104124446A (en) Graphite/Li3VO4 lithium ion battery composite negative electrode material and preparation method thereof
CN107256953A (en) A kind of high-performance anode material of lithium-ion battery (VO)2P2O7The preparation method of/C composite
CN105895388A (en) Preparation method for three-dimensional porous sheet-shaped zinc cobaltate nanomaterial
CN106710891B (en) A kind of NiCo2O4The preparation method of/absorbent charcoal composite material

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170510

Termination date: 20181108

CF01 Termination of patent right due to non-payment of annual fee