CN108538622A - The preparation method of nickel foam self-supporting MnS nanometer sheet super capacitor materials - Google Patents

The preparation method of nickel foam self-supporting MnS nanometer sheet super capacitor materials Download PDF

Info

Publication number
CN108538622A
CN108538622A CN201810610394.0A CN201810610394A CN108538622A CN 108538622 A CN108538622 A CN 108538622A CN 201810610394 A CN201810610394 A CN 201810610394A CN 108538622 A CN108538622 A CN 108538622A
Authority
CN
China
Prior art keywords
nickel foam
supporting
mns
super capacitor
nanometer sheet
Prior art date
Application number
CN201810610394.0A
Other languages
Chinese (zh)
Inventor
吴春
贾传坤
丁美
楼雪纯
Original Assignee
长沙理工大学
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 长沙理工大学 filed Critical 长沙理工大学
Priority to CN201810610394.0A priority Critical patent/CN108538622A/en
Publication of CN108538622A publication Critical patent/CN108538622A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—BASIC 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 [EDLCs]; Processes specially adapted for the manufacture thereof or of parts thereof
    • H01G11/22—Electrodes
    • H01G11/30—Electrodes characterised by their materials
    • H—ELECTRICITY
    • H01—BASIC 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 [EDLCs]; Processes specially adapted for the manufacture thereof or of parts thereof
    • H01G11/22—Electrodes
    • H01G11/24—Electrodes characterised by structural features, e.g. forms, shapes, surface areas, porosities or dimensions, of the materials making up or comprised in the electrodes; characterised by the structural features of powders or particles used therefor
    • H—ELECTRICITY
    • H01—BASIC 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 [EDLCs]; Processes specially adapted 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 belongs to ultracapacitor fields, and in particular to a kind of preparation method of nickel foam self-supporting MnS nanometer sheet super capacitor materials.First nickel foam is pre-processed, then uses hydro-thermal and calcining to grow nickel foam self-supporting MnS nanometer sheet presomas in foam nickel surface, then presoma is vulcanized and generates MnS nanometer sheets, obtains the super capacitor material based on nickel foam self-supporting MnS nanometer sheets.The present invention is based on the super capacitor materials of nickel foam self-supporting MnS nanometer sheets, have excellent chemical property.In its preparation process, raw material are cheap and easy to get, and the reaction time is short, at low cost, simple and practicable, and without masterplate and surfactant-free.The electrode of super capacitor of prepared nickel foam self-supporting MnS nanometer sheets has very high specific capacity and cyclical stability.Maximum specific capacity is up to 1.71Fcm‑2, after recycling 1000 times, coulombic efficiency keeps 100%, capacity retention ratio 100%.

Description

The preparation method of nickel foam self-supporting MnS nanometer sheet super capacitor materials

Technical field

The invention belongs to ultracapacitor fields, and in particular to a kind of nickel foam self-supporting MnS nanometer sheet ultracapacitors The preparation method of material.

Background technology

As important novel energy-storing equipment, ultracapacitor is since Acclimation temperature range is wide, environmental-friendly, charge and discharge are fast The advantages that degree is fast and has extended cycle life has very extensive in the fields such as wind-power electricity generation, electronics industry and new-energy automobile Application.In transition metal oxide family, for the oxide of manganese metal due to deriving from a wealth of sources, cheap and specific capacity is high The advantages that and favored by researchers, but itself poor electric conductivity limits further applying as electrode material. And the sulfide that manganese metal is prepared by ion exchange be report at present raising electrode material electric conductivity effective ways it One.Wherein, the manganese sulfide with layer structure is very suitable for the insertion and abjection of electrolyte ion, this electricity for improving material Chemical property has a very important significance.

On the other hand, direct growth activity substance and directly as electrode of super capacitor on the collector developed in recent years The research of material is more and more, and the elimination of binder and conductive agent can improve the electric conductivity of electrode material to a certain extent Energy.Wherein, with tridimensional network nickel foam due to large specific surface area uniform load active material, active material with collection The chemical property for being in direct contact the fast transfer that can promote electronics and then improving material of fluid.Above method is integrated and is made The MnS electrode materials of standby nickel foam self-supporting have good research significance, mesh for the bad problem of active material electric conductivity The preceding related patents for not having the MnS nanometer sheet electrode material for super capacitor of nickel foam self-supporting also are reported.

Invention content

The object of the present invention is to provide a kind of systems based on nickel foam self-supporting MnS nanometer sheet electrode material for super capacitor The MnS nanometer sheets of nickel foam self-supporting are prepared using simple hydro-thermal and calcining and vulcanizing treatment in Preparation Method.The party Method raw material are cheap and easy to get, and the reaction time is short, at low cost, simple and practicable, and favorable reproducibility is had excellent performance, prepared nickel foam MnS nanometers of plate electrodes of self-supporting have very high specific capacity and cyclical stability.

To achieve the goals above, the present invention adopts the following technical scheme that：

A kind of preparation method of nickel foam self-supporting MnS nanometer sheet super capacitor materials, first locates nickel foam in advance Then reason uses hydro-thermal and high-temperature calcination to grow MnS nanometer sheet presomas in foam nickel surface, then presoma is vulcanized and is generated MnS nanometer sheets obtain the super capacitor material based on nickel foam self-supporting MnS nanometer sheets.

The preparation method of the nickel foam self-supporting MnS nanometer sheet super capacitor materials, is as follows：

(1) it cleans 1~3h of nickel foam with deionized water and EtOH Sonicate to be pre-processed, removes its surface impurity；

(2) in deionized water by the dissolving of manganese source, urea and ammonium fluoride, it is sufficiently stirred to obtain mixed reaction solution, later Pretreated nickel foam is put into reaction kettle, be added mixed reaction solution, at 100~200 DEG C carry out hydro-thermal reaction 1~ 5h, is completed after reaction and after being cleaned and dried, then is reacted at 200~500 DEG C through high-temperature calcination before 1~4h obtains MnS nanometer sheets Drive body；

(3) the MnS nanometer sheet presomas after calcining are positioned in reaction kettle and are added sulphur source, the sulphur at 100~200 DEG C Change 1~8h of reaction, is cleaned after cooling and obtain the MnS nanometer sheets grown in foam nickel surface, i.e., it is described to be based on nickel foam self-supporting MnS nanometer sheets super capacitor material.

The preparation method of the nickel foam self-supporting MnS nanometer sheet super capacitor materials, in step 2), manganese source plus It is 0.1~0.2molL to enter amount-1, the addition of urea is 0.1~0.2molL-1, the addition of ammonium fluoride is 0.01~ 0.1mol·L-1。

The preparation methods of the nickel foam self-supporting MnS nanometer sheet super capacitor materials, manganese source, urea ammonium fluoride Molar ratio is 3:3:1.

The preparation method of the nickel foam self-supporting MnS nanometer sheet super capacitor materials, in step 2), manganese source is manganese Salts substances：Manganese sulfate, manganese nitrate, manganese acetate or manganese chloride.

The preparation method of the nickel foam self-supporting MnS nanometer sheet super capacitor materials, in step 3), sulphur source is sulphur Change the solution of sodium, thiocarbamide or sulphur powder, a concentration of 0.1~0.3molL-1。

The preparation method of the nickel foam self-supporting MnS nanometer sheet super capacitor materials is grown in foam nickel surface The mass density of MnS nanometer sheets is 0.5~1.5mgcm-2。

The preparation method of the nickel foam self-supporting MnS nanometer sheet super capacitor materials, MnS nanometer sheets it is a diameter of 1.0~2.0 μm, thickness is 0.2~0.5 μm.

The remarkable advantage and advantageous effect of the present invention is：

The present invention obtains MnS nanometers of plate electrode materials of nickel foam self-supporting using hydro-thermal and high-temperature calcination and vulcanizing treatment Material, this method raw material are cheap and easy to get, and the reaction time is short, at low cost, simple and practicable, and favorable reproducibility is had excellent performance, and without mould Version and surfactant-free.Prepared nickel foam self-supporting MnS nanometer sheet electrode of super capacitor has very high specific capacity And cyclical stability, electrode maximum specific capacity is up to 1.71Fcm-2, after recycling 1000 times, coulombic efficiency keeps 100%, holds It is 100% to measure conservation rate.

Description of the drawings

Fig. 1 is the X-ray diffractogram of MnS nanometer sheets.In figure, abscissa 2Theta represents the angle of diffraction (degree), indulges and sits Mark Intensity represents intensity (a.u.).

Fig. 2 is the scanning electron microscope (SEM) photograph of MnS nanometer sheets.Wherein, (b) be (a) enlarged drawing.

Fig. 3 (a)-Fig. 3 (b) is the chemical property figure of MnS nanometer sheets.Wherein, Fig. 3 (a) is under different current densities Charging and discharging curve figure, abscissa Time represent the time (s), and ordinate Potential represents current potential (V)；Fig. 3 (b) is different electricity The specific volume spirogram being calculated under current density, abscissa Current density represent current density (Ag-1), ordinate Areal capacitance represent specific capacity (Fcm-2)。

Fig. 4 is that current density is 2Ag-1When, the cycle performance figure of MnS nanometer sheets.In figure, abscissa Cycles representatives follow Ring number, left ordinate Capacitance retention represent capacity retention ratio (%), right ordinate Coulombic Efficiency represents coulombic efficiency (%).

Specific implementation mode

In specific implementation process, the present invention first pre-processes nickel foam, then uses hydro-thermal and calcining in foam Nickel surface grows nickel foam self-supporting MnS nanometer sheet presomas, then presoma is vulcanized and generates the acquisition of MnS nanometer sheets based on foam The super capacitor material of nickel self-supporting MnS nanometer sheets.The main function and effect of hydro-thermal reaction be：In high-temperature and high-pressure conditions Under, reactant can be partially or completely solubilized, and reaction is carried out close to homogeneous, obtain good dispersion, purity height, shape The controllable super capacitor material of looks.High-temperature calcination processing main function and effect be：The hydroxide that hydro-thermal reaction is obtained Further oxidation obtains oxide electrode material to object.Present invention exploitation it is new based on the super of nickel foam self-supporting MnS nanometer sheets Capacitor material has excellent chemical property.

The present invention is further illustrated the present invention with the following example, but protection scope of the present invention is not limited to following reality Apply example.

The preparation of 1 nickel foam self-supporting MnS nanometer sheet electrode materials of embodiment

In the present embodiment, the specification of nickel foam is long 6cm × wide 3.6cm × thickness 1.1mm, hole count 110PPI, and face is close Spend 420 ± 25gm-2, clean nickel foam 2h with deionized water and EtOH Sonicate and pre-processed, remove its surface impurity；It will Manganese nitrate, urea and ammonium fluoride dissolve in deionized water, manganese nitrate 0.15molL-1, urea 0.15molL-1And Ammonium fluoride 0.05molL-1, it is sufficiently stirred to obtain mixed reaction solution, pretreated nickel foam is put into reaction kettle later, Mixed reaction solution is added, hydro-thermal reaction 3h is carried out at 150 DEG C, exists after reaction is completed and is cleaned and dried, then through high-temperature calcination 2.5h is reacted at 350 DEG C obtains MnS nanometer sheet presomas；MnS nanometer sheet presomas after calcining are positioned in reaction kettle simultaneously Sodium sulfide solution, a concentration of 0.25molL is added-1, 4h is reacted at 150 DEG C, is cleaned and is obtained in nickel foam table after cooling The MnS nanometer sheets for looking unfamiliar long, i.e., the super capacitor material of the described MnS nanometer sheets based on nickel foam self-supporting, in nickel foam The mass density that surface grows MnS nanometer sheets is 1.0mgcm-2。

As seen from Figure 1, Figure 2, material made from the present embodiment is really MnS nanometer sheets, and specification is as follows：MnS nanometers A diameter of 1.0 μm of piece, thickness are 0.2 μm.

2 electrochemical property test of embodiment

In the present embodiment, nickel foam self-supporting MnS nanometer sheets made from embodiment 1 are made into electrode of super capacitor and are carried out Electrochemical property test.Test result is as shown in Figure 3, Figure 4, when electrolyte is concentration 6molL-1Potassium hydroxide aqueous solution When, MnS nanometers of plate electrode high specific capacity of nickel foam self-supporting are up to 1.71Fcm-2, after recycling 1000 times, coulombic efficiency 100% is kept, capacity retention ratio 100%.

The preparation of 3 nickel foam self-supporting MnS nanometer sheet electrode materials of embodiment

In the present embodiment, cleans nickel foam 1h with deionized water and EtOH Sonicate and pre-processed, it is miscellaneous to remove its surface Matter；In deionized water by the dissolving of manganese sulfate, urea and ammonium fluoride, manganese sulfate 0.18molL-1, urea 0.18molL-1 And ammonium fluoride 0.06molL-1, it is sufficiently stirred to obtain mixed reaction solution, pretreated nickel foam is put into reaction kettle later In, mixed reaction solution is added, hydro-thermal reaction 5h is carried out at 100 DEG C, after reaction is completed and is cleaned and dried, then through high-temperature calcination 4h is reacted at 200 DEG C obtains MnS nanometer sheet presomas；MnS nanometer sheet presomas after calcining are positioned in reaction kettle simultaneously Thiourea solution, a concentration of 0.20molL is added-1, 8h is reacted at 100 DEG C, is cleaned and is obtained in foam nickel surface after cooling The MnS nanometer sheets of growth, i.e., the super capacitor material of the described MnS nanometer sheets based on nickel foam self-supporting, in nickel foam table The mass density for long MnS nanometer sheets of looking unfamiliar is 0.8mgcm-2, the specification of MnS nanometer sheets is as follows：The diameter of MnS nanometer sheets It it is 1.2 μm, thickness is 0.25 μm.

The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with Modification should all belong to the covering scope of the present invention.

Claims (8)

1. a kind of preparation method of nickel foam self-supporting MnS nanometer sheet super capacitor materials, which is characterized in that first to nickel foam It is pre-processed, hydro-thermal and high-temperature calcination is then used to grow MnS nanometer sheet presomas in foam nickel surface, then by presoma sulphur Metaplasia obtains the super capacitor material based on nickel foam self-supporting MnS nanometer sheets at MnS nanometer sheets.
2. the preparation method of nickel foam self-supporting MnS nanometer sheet super capacitor materials as described in claim 1, feature exist In being as follows：
(1) it cleans 1~3h of nickel foam with deionized water and EtOH Sonicate to be pre-processed, removes its surface impurity；
(2) in deionized water by the dissolving of manganese source, urea and ammonium fluoride, it is sufficiently stirred to obtain mixed reaction solution, it later will be pre- Treated, and nickel foam is put into reaction kettle, and mixed reaction solution is added, and 1~5h of hydro-thermal reaction is carried out at 100~200 DEG C, is waited for After reaction is completed and is cleaned and dried, then 1~4h is reacted at 200~500 DEG C through high-temperature calcination and obtain MnS nanometer sheet presomas；
(3) the MnS nanometer sheet presomas after calcining are positioned in reaction kettle and are added sulphur source, vulcanize at 100~200 DEG C anti- It answers 1~8h, is cleaned after cooling and obtain the MnS nanometer sheets grown in foam nickel surface, i.e., the described MnS based on nickel foam self-supporting The super capacitor material of nanometer sheet.
3. the preparation method of nickel foam self-supporting MnS nanometer sheet super capacitor materials as claimed in claim 2, feature exist In in step 2), the addition of manganese source is 0.1~0.2molL-1, the addition of urea is 0.1~0.2molL-1, fluorination The addition of ammonium is 0.01~0.1molL-1。
4. the preparation method of nickel foam self-supporting MnS nanometer sheet super capacitor materials as claimed in claim 3, feature exist In manganese source, the molar ratio of urea ammonium fluoride are 3:3:1.
5. the preparation method of nickel foam self-supporting MnS nanometer sheet super capacitor materials as claimed in claim 2, feature exist In in step 2), manganese source is manganese salt substance：Manganese sulfate, manganese nitrate, manganese acetate or manganese chloride.
6. the preparation method of nickel foam self-supporting MnS nanometer sheet super capacitor materials as claimed in claim 2, feature exist In in step 3), sulphur source is the solution of vulcanized sodium, thiocarbamide or sulphur powder, a concentration of 0.1~0.3molL-1。
7. the preparation method of the nickel foam self-supporting MnS nanometer sheet super capacitor materials as described in one of claim 1 to 6, It is characterized in that, the mass density for growing MnS nanometer sheets in foam nickel surface is 0.5~1.5mgcm-2。
8. the preparation method of nickel foam self-supporting MnS nanometer sheet super capacitor materials as claimed in claim 7, feature exist In a diameter of 1.0~2.0 μm of MnS nanometer sheets, thickness is 0.2~0.5 μm.
CN201810610394.0A 2018-06-14 2018-06-14 The preparation method of nickel foam self-supporting MnS nanometer sheet super capacitor materials CN108538622A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810610394.0A CN108538622A (en) 2018-06-14 2018-06-14 The preparation method of nickel foam self-supporting MnS nanometer sheet super capacitor materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810610394.0A CN108538622A (en) 2018-06-14 2018-06-14 The preparation method of nickel foam self-supporting MnS nanometer sheet super capacitor materials

Publications (1)

Publication Number Publication Date
CN108538622A true CN108538622A (en) 2018-09-14

Family

ID=63470805

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810610394.0A CN108538622A (en) 2018-06-14 2018-06-14 The preparation method of nickel foam self-supporting MnS nanometer sheet super capacitor materials

Country Status (1)

Country Link
CN (1) CN108538622A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110211812A (en) * 2019-06-14 2019-09-06 上海应用技术大学 A kind of MnS@CoMn-LDH composite material and preparation method and application

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102897849A (en) * 2012-10-10 2013-01-30 华中科技大学 Method of preparing super-capacitor electrode material
CN103545116A (en) * 2013-09-24 2014-01-29 安徽师范大学 Foamed nickel-nanometer eight-vulcanization and nine-cobalt composite material, preparation method for same and super-capacitor electrode
CN104760999A (en) * 2015-03-27 2015-07-08 燕山大学 Porous nano manganese sulfide and preparation method thereof
CN105244191A (en) * 2015-10-27 2016-01-13 渤海大学 Manganese cobalt oxide porous nanometer sheet/foam nickel compound electrode material preparation method
CN106340396A (en) * 2016-11-02 2017-01-18 信阳师范学院 Method for preparing CdCo2S4 nano-structured super-capacitor electrode material using foam nickel as the substrate
CN106531456A (en) * 2016-11-11 2017-03-22 郑州大学 CuCo2S4-based supercapacitor material, and preparation and application thereof
CN106986611A (en) * 2017-04-26 2017-07-28 浙江大学 A kind of preparation method of reguline metal sulfide aeroge
CN107134372A (en) * 2017-04-25 2017-09-05 南昌航空大学 Ultracapacitor based on transient metal sulfide/nitrogen-doped graphene Yu di-iron trioxide/graphene
CN107346710A (en) * 2017-09-09 2017-11-14 安徽师范大学 It is a kind of to synthesize the method for nano flower array by the use of ion-exchange reactions and its be used as supercapacitor applications
CN107633952A (en) * 2017-09-21 2018-01-26 北京化工大学 A kind of nickel manganese composite oxide nano sheet film materials and its preparation method and application
CN107855128A (en) * 2017-12-08 2018-03-30 江汉大学 A kind of preparation method and product of cobalt sulfide manganese elctro-catalyst

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102897849A (en) * 2012-10-10 2013-01-30 华中科技大学 Method of preparing super-capacitor electrode material
CN103545116A (en) * 2013-09-24 2014-01-29 安徽师范大学 Foamed nickel-nanometer eight-vulcanization and nine-cobalt composite material, preparation method for same and super-capacitor electrode
CN104760999A (en) * 2015-03-27 2015-07-08 燕山大学 Porous nano manganese sulfide and preparation method thereof
CN105244191A (en) * 2015-10-27 2016-01-13 渤海大学 Manganese cobalt oxide porous nanometer sheet/foam nickel compound electrode material preparation method
CN106340396A (en) * 2016-11-02 2017-01-18 信阳师范学院 Method for preparing CdCo2S4 nano-structured super-capacitor electrode material using foam nickel as the substrate
CN106531456A (en) * 2016-11-11 2017-03-22 郑州大学 CuCo2S4-based supercapacitor material, and preparation and application thereof
CN107134372A (en) * 2017-04-25 2017-09-05 南昌航空大学 Ultracapacitor based on transient metal sulfide/nitrogen-doped graphene Yu di-iron trioxide/graphene
CN106986611A (en) * 2017-04-26 2017-07-28 浙江大学 A kind of preparation method of reguline metal sulfide aeroge
CN107346710A (en) * 2017-09-09 2017-11-14 安徽师范大学 It is a kind of to synthesize the method for nano flower array by the use of ion-exchange reactions and its be used as supercapacitor applications
CN107633952A (en) * 2017-09-21 2018-01-26 北京化工大学 A kind of nickel manganese composite oxide nano sheet film materials and its preparation method and application
CN107855128A (en) * 2017-12-08 2018-03-30 江汉大学 A kind of preparation method and product of cobalt sulfide manganese elctro-catalyst

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
XINHUI XIA: "Synthesis of Free-Standing Metal Sulfi de Nanoarrays via Anion Exchange Reaction and Their Electrochemical Energy Storage Application", 《SMALL》 *
王相文: "纳米硫化锰在储能装置中的应用", 《当代化工 》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110211812A (en) * 2019-06-14 2019-09-06 上海应用技术大学 A kind of MnS@CoMn-LDH composite material and preparation method and application

Similar Documents

Publication Publication Date Title
Cai et al. Enhanced performance of supercapacitors with ultrathin mesoporous NiMoO4 nanosheets
CN105895886B (en) A kind of sodium-ion battery transition metal phosphide/porous anode composite and preparation method thereof
CN108346522B (en) Cobaltosic oxide hierarchical structure nano array material, preparation method and application thereof
Yang et al. Fabrication of urchin-like NiCo 2 (CO 3) 1.5 (OH) 3@ NiCo 2 S 4 on Ni foam by an ion-exchange route and application to asymmetrical supercapacitors
Chen et al. Facile synthesis of CoWO4 nanosheet arrays grown on nickel foam substrates for asymmetric supercapacitors
CN101840792B (en) Hybrid super capacitor and manufacture method thereof
RU2672675C2 (en) Tungsten-based material, super battery and supercapacitor
CN106972155B (en) A kind of bimetallic oxide and preparation method and application based on MOFs
CN102208614B (en) Method for preparing lithium ion battery cathode material coated iron sesquioxide
CN106531456B (en) A kind of super capacitor material and its preparation and application based on CuCo2S4
Zhou et al. Sulfuration of NiV-layered double hydroxide towards novel supercapacitor electrode with enhanced performance
CN100544081C (en) A kind of nano lithium titanate and with the preparation method of the compound of titanium dioxide
CN103545123A (en) Hybrid energy storage device with zinc ion battery and supercapacitor
CN107359054B (en) A kind of combination electrode material, preparation method and application
CN106935855B (en) A kind of porous carbon nanotubular materials and its preparation method and application
CN103441241A (en) Preparation method and application of prussian blue complex/carbon composite material
CN106206059B (en) NiCo2S4The preparation method and application of/graphite felt combination electrode material
WO2015176609A1 (en) Material with surface having multilevel nano micron structure, preparation method thereof and nickel-zinc cell containing material in a positive electrode
CN107887592B (en) Carbon-coated ZnO nanowire and preparation method and application thereof
Lu et al. Improved electrochemical stability of NixCo2x (OH) 6x/NiCo2O4 electrode material
CN106252651B (en) A kind of porous composite negative pole material of lithium ion battery and preparation method thereof
CN104882298A (en) Method for preparing NiCo2O4/graphene supercapacitor material with microwave method
KR20180106166A (en) Preparation method of 3D hierarchical mesoporous NiCo2S4/Ni(OH)2 core-shell nanosheet arrays on 3-dimensional conductive carbon electrode and its application to high performance supercapacitors
CN105870447A (en) Preparation method of nitrogen-doped rutile TiO2/C negative electrode material for sodium-ion battery
CN104176783B (en) The preparations and applicatio method of the coated manganese dioxide nanowire of a kind of nitrogen carbon material

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20180914