CN104361998A - Porous nickel-cobalt bi-metal hydroxide nanosheet and preparation method and application thereof - Google Patents
Porous nickel-cobalt bi-metal hydroxide nanosheet and preparation method and application thereof Download PDFInfo
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- CN104361998A CN104361998A CN201410626014.4A CN201410626014A CN104361998A CN 104361998 A CN104361998 A CN 104361998A CN 201410626014 A CN201410626014 A CN 201410626014A CN 104361998 A CN104361998 A CN 104361998A
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- 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
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- 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
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- 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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Abstract
The invention discloses a porous nickel-cobalt bi-metal hydroxide nanosheet and a preparation method and application thereof. The porous nickel-cobalt bi-metal hydroxide nanosheet is made by vertically and orderly growing nickel-cobalt bi-metal hydroxide onto a metal nickel sheet which serves as a substrate. Compared with the prior art, the porous nickel-cobalt bi-metal hydroxide nanosheet and the preparation method and application thereof have stricter requirements on reactant concentration proportion, reaction temperature and reaction time and have the advantages of simplicity and convenience in operation, low energy consumption, low synthesis cost, high reproducibility, high product purity, high dispersity, good crystal form and controllability. The obtained porous nickel-cobalt bi-metal hydroxide nanosheet can be directly used as an electrode material of a supercapacitor. Electrical conductivity is improved while long-term stability is realized; in addition, intrinsic specific area of the material is increased owing to the binary composite porous material, energy density and power density of the material are improved, and potential application values in energy storage are achieved.
Description
Technical field
The present invention relates to nano material synthesis field, be specifically related to a kind of nickel porous cobalt dual-metal hydroxide nano sheet, its preparation method and application.
Background technology
Ultracapacitor has the advantages such as power density is high, the charging interval is short, good temp characteristic, long service life.The update of the development of advancing by leaps and bounds along with science and technology and electron stored energy 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 containing precious metals class electrode material.High performance electrode material for super capacitor need meet following 2 requirements: good conductivity and the specific area of electrode material are large.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.Binary or ternary nano composite material have good performance and unique advantage than individual element nano material, and also disclose with the preparation method that metal nickel sheet is substrate grown nickel porous cobalt dual-metal hydroxide nano sheet, and duplex metal hydroxide nanometer material has a wide range of applications.
Summary of the invention
For solving not depositing of prior art existence, the invention provides a kind of nickel porous cobalt dual-metal hydroxide nano sheet.
Present invention also offers a kind of preparation method of nickel porous cobalt dual-metal hydroxide nano sheet, and application, obtain nickel porous cobalt dual-metal hydroxide nano sheet, directly can be used as electrode material for super capacitor.
The invention provides a kind of nickel porous cobalt dual-metal hydroxide nano sheet, with metal nickel sheet for substrate, the vertical ordering growth of nickel cobalt dual-metal hydroxide is in nickel sheet.
The preparation method of a kind of nickel porous cobalt dual-metal hydroxide nano sheet provided by the invention, comprises the following steps:
The clean operation of a, nickel sheet:
First use sand papering, then carry out ultrasonic cleaning with 1M hydrochloric acid, acetone, ethanol, redistilled water successively, the ultrasonic cleaning time is 10-20min;
B, nickel porous cobalt dual-metal hydroxide nano sheet preparation section:
Redistilled water, divalent nickel salt and divalent cobalt are mixed, obtain mixed liquor, more dropwise add sodium hydroxide solution, constantly stir after making its Homogeneous phase mixing, pour in reactor, the nickel sheet of cleaning rear surface cleaning is immersed, reactor is airtight, reaction, be cooled to room temperature, by distilled water, washes of absolute alcohol, drying at room temperature, namely obtain nickel porous cobalt dual-metal hydroxide nano sheet.
In step b, redistilled water, divalent nickel salt and divalent cobalt are mixed, in the mixed liquor obtained, the concentration of divalent nickel salt solution is 0.1M, and the concentration of divalent cobalt solution is 0.1M-1M.
In step b, described reaction for react 4-12h at 60-100 DEG C.
In step b, the sodium hydroxide solution solubility added is 0.4M-2.2M; The volume of the sodium hydroxide solution added and the volume ratio of described redistilled water are 1:1; Nickel, cobalt concentration summation are 1:2 with the ratio of naoh concentration.
The application of a kind of nickel porous cobalt dual-metal hydroxide nano sheet provided by the invention, as the application of the electrode material of ultracapacitor.
Nickel porous cobalt dual-metal hydroxide nano sheet prepared by the present invention is grown directly upon in metal nickel sheet, can directly as the electrode material of ultracapacitor, not only increase conductivity, and achieve long stability, in addition binary composite porous material adds the specific area of material itself, improve energy density and the power density of material, there is potential using value in stored energy.
The metal nickel sheet used in the present invention, due to the conductivity that it is good, cheap price, and can be widely used in the preparation of the metal nickel sheet various different nano material electrode that is substrate.
The preparation method of a kind of nickel porous cobalt dual-metal hydroxide nano sheet provided by the invention, in airtight high-temperature high-pressure reaction kettle, adopt redistilled water as reaction dissolvent, the Nickel dichloride hexahydrate, the cobalt chloride hexahydrate that add special ratios mix, then slowly sodium hydroxide solution is dripped, stirring is uniformly mixed liquid, by heating reaction system, produces a hyperbaric environment and prepares a kind of effective ways of nickel cobalt double hydroxide nano sheet material.So the present invention requires strict to the concentration ratio of reactant, reaction temperature, reaction time.The present invention is easy and simple to handle, consumes energy low, and synthesis cost is low, and reappearance is high, and products therefrom purity is high, good dispersion, good crystalline and can control.
Accompanying drawing explanation
Fig. 1 is powder x-ray diffraction (XRD) figure of nickel porous cobalt dual-metal hydroxide nano sheet prepared by embodiment 1;
Fig. 2 is energy dispersive x-ray spectrum (EDX) figure of nickel porous cobalt dual-metal hydroxide nano sheet prepared by embodiment 1;
Fig. 3 is the electron scanning micrograph (SEM) of the low enlargement ratio of nickel porous cobalt dual-metal hydroxide nano sheet prepared by embodiment 1;
Fig. 4 is the electron scanning micrograph (SEM) of the high magnification of nickel porous cobalt dual-metal hydroxide nano sheet prepared by embodiment 1;
Fig. 5 is the cyclic voltammetry curve figure (CV) of nickel porous cobalt dual-metal hydroxide nano sheet prepared by embodiment 1;
Fig. 6 is the charging and discharging curve figure of nickel porous cobalt dual-metal hydroxide nano sheet prepared by embodiment 1;
Fig. 7 is the discharge and recharge correlation curve figure of the nickel cobalt dual-metal hydroxide nano sheet material of different proportion;
Fig. 8 is the concrete electric capacity-current density correlation curve figure of nickel porous cobalt dual-metal hydroxide nano sheet prepared by embodiment 1.
Embodiment
Embodiment 1
The clean operation of a, metal nickel sheet:
Had on surface the nickel sheet of impurity first to use sand papering light, then put into 1M hydrochloric acid successively, acetone, absolute ethyl alcohol, redistilled water carry out ultrasonic cleaning 15min;
B, nickel porous cobalt dual-metal hydroxide nano sheet preparation section:
At normal temperatures, 1mmol Nickel dichloride hexahydrate and 2mmol cobalt chloride hexahydrate are dissolved in 10ml redistilled water, continuous stirring makes it be uniformly mixed to form settled solution, 0.24g NaOH is dissolved in the sodium hydroxide solution being made into 0.6M in the redistilled water of 10ml.Then with glue head dropper, the sodium hydroxide solution prepared slowly is instilled in mixed solution, drip speed control built in one second one, dropping limit, limit is stirred, and makes it fully react, to be mixed evenly after, pour in 60mL reactor, by thick 0.15mm, surface area 1 × 2cm
2the nickel sheet handled well immerses in mixed liquor, tightens kettle cover, at 80 DEG C, reacts 8h, takes out reactor and naturally cools to room temperature, rinse well successively, naturally dry, namely obtain nickel porous cobalt dual-metal hydroxide nano sheet with distilled water, absolute ethyl alcohol.
An application for nickel porous cobalt dual-metal hydroxide nano sheet, as the application of the electrode material of ultracapacitor.
The pattern growth that nickel porous cobalt dual-metal hydroxide nano sheet is vertically orderly as shown in Figure 3 of made nickel cobalt dual-metal hydroxide is in nickel sheet.
Embodiment 2
The clean operation of a, metal nickel sheet: identical with embodiment 1;
B, nickel porous cobalt dual-metal hydroxide nano sheet preparation section:
At normal temperatures, 1mmol Nickel dichloride hexahydrate and 1mmol cobalt chloride hexahydrate are dissolved in 10ml redistilled water, continuous stirring makes it be uniformly mixed to form settled solution, 0.16g NaOH is dissolved in the sodium hydroxide solution being made into 0.4M in the redistilled water of 10ml.Then with glue head dropper, the sodium hydroxide solution prepared slowly is instilled in mixed solution, drip speed control built in one second one, dropping limit, limit is stirred, and makes it fully react, to be mixed evenly after, pour in 60mL reactor, by thick 0.15mm, surface area 1 × 2cm
2the nickel sheet handled well immerses in mixed liquor, tightens kettle cover, at 80 DEG C, reacts 8h, takes out reactor and naturally cools to room temperature, rinse well successively, naturally dry with distilled water, absolute ethyl alcohol.
An application for nickel porous cobalt dual-metal hydroxide nano sheet, as the application of the electrode material of ultracapacitor.
Embodiment 3
The clean operation of a, metal nickel sheet: first use sand papering, then carry out ultrasonic cleaning with 1M hydrochloric acid, acetone, ethanol, redistilled water successively, the ultrasonic cleaning time is 12min;
B, nickel porous cobalt dual-metal hydroxide nano sheet preparation section:
At normal temperatures, 1mmol Nickel dichloride hexahydrate and 5mmol cobalt chloride hexahydrate are dissolved in 10ml redistilled water, continuous stirring makes it be uniformly mixed to form settled solution, 0.48g NaOH is dissolved in the sodium hydroxide solution being made into 1.2M in the redistilled water of 10ml.Then with glue head dropper, the sodium hydroxide solution prepared slowly is instilled in mixed solution, drip speed control built in one second one, dropping limit, limit is stirred, and makes it fully react, to be mixed evenly after, pour in 60mL reactor, by thick 0.15mm, surface area 1 × 2cm
2the nickel sheet handled well immerses in mixed liquor, tightens kettle cover, at 80 DEG C, reacts 8h, takes out reactor and naturally cools to room temperature, rinse well successively, naturally dry with distilled water, absolute ethyl alcohol.
An application for nickel porous cobalt dual-metal hydroxide nano sheet, as the application of the electrode material of ultracapacitor.
Embodiment 4
The clean operation of a, metal nickel sheet: first use sand papering, then carry out ultrasonic cleaning with 1M hydrochloric acid, acetone, ethanol, redistilled water successively, the ultrasonic cleaning time is 20min;
B, nickel porous cobalt dual-metal hydroxide nano sheet preparation section:
At normal temperatures, 1mmol Nickel dichloride hexahydrate and 8mmol cobalt chloride hexahydrate are dissolved in 10ml redistilled water, continuous stirring makes it be uniformly mixed to form settled solution, 0.72g NaOH is dissolved in the sodium hydroxide solution being made into 1.8M in the redistilled water of 10ml.Then with glue head dropper, the sodium hydroxide solution prepared slowly is instilled in mixed solution, drip speed control built in one second one, dropping limit, limit is stirred, and makes it fully react, to be mixed evenly after, pour in 60mL reactor, by thick 0.15mm, surface area 1 × 2cm
2the nickel sheet handled well immerses in mixed liquor, tightens kettle cover, at 80 DEG C, reacts 8h, takes out reactor and naturally cools to room temperature, rinse well successively, naturally dry with distilled water, absolute ethyl alcohol.
An application for nickel porous cobalt dual-metal hydroxide nano sheet, as the application of the electrode material of ultracapacitor.
Embodiment 5
The clean operation of a, metal nickel sheet: identical with embodiment 1;
B, nickel porous cobalt dual-metal hydroxide nano sheet preparation section:
At normal temperatures, 1mmol Nickel dichloride hexahydrate and 10mmol cobalt chloride hexahydrate are dissolved in 10ml redistilled water, continuous stirring makes it be uniformly mixed to form settled solution, 0.88g NaOH is dissolved in the sodium hydroxide solution being made into 2.2M in the redistilled water of 10ml.Then with glue head dropper, the sodium hydroxide solution prepared slowly is instilled in mixed solution, drip speed control built in one second one, dropping limit, limit is stirred, and makes it fully react, to be mixed evenly after, pour in 60mL reactor, by thick 0.15mm, surface area 1 × 2cm
2the nickel sheet handled well immerses in mixed liquor, tightens kettle cover, at 80 DEG C, reacts 8h, takes out reactor and naturally cools to room temperature, rinse well successively, naturally dry with distilled water, absolute ethyl alcohol.
An application for nickel porous cobalt dual-metal hydroxide nano sheet, as the application of the electrode material of ultracapacitor.
Embodiment 6
The clean operation of a, metal nickel sheet: identical with embodiment 1;
B, nickel porous cobalt dual-metal hydroxide nano sheet preparation section:
At normal temperatures, 1mmol Nickel dichloride hexahydrate and 2mmol cobalt chloride hexahydrate are dissolved in 10ml redistilled water, continuous stirring makes it be uniformly mixed to form settled solution, 0.24g NaOH is dissolved in the sodium hydroxide solution being made into 0.6M in the redistilled water of 10ml.Then with glue head dropper, the sodium hydroxide solution prepared slowly is instilled in mixed solution, drip speed control built in one second one, dropping limit, limit is stirred, and makes it fully react, to be mixed evenly after, pour in 60mL reactor, by thick 0.15mm, surface area 1 × 2cm
2the nickel sheet handled well immerses in mixed liquor, tightens kettle cover, at 100 DEG C, reacts 4h, takes out reactor and naturally cools to room temperature, rinse well successively, naturally dry with distilled water, absolute ethyl alcohol.
An application for nickel porous cobalt dual-metal hydroxide nano sheet, as the application of the electrode material of ultracapacitor.
Embodiment 6
The clean operation of a, metal nickel sheet: identical with embodiment 1;
B, nickel porous cobalt dual-metal hydroxide nano sheet preparation section:
At normal temperatures, 1mmol Nickel dichloride hexahydrate and 2mmol cobalt chloride hexahydrate are dissolved in 10ml redistilled water, continuous stirring makes it be uniformly mixed to form settled solution, 0.24g NaOH is dissolved in the sodium hydroxide solution being made into 0.6M in the redistilled water of 10ml.Then with glue head dropper, the sodium hydroxide solution prepared slowly is instilled in mixed solution, drip speed control built in one second one, dropping limit, limit is stirred, and makes it fully react, to be mixed evenly after, pour in 60mL reactor, by thick 0.15mm, surface area 1 × 2cm
2the nickel sheet handled well immerses in mixed liquor, tightens kettle cover, at 60 DEG C, reacts 12h, takes out reactor and naturally cools to room temperature, rinse well successively, naturally dry with distilled water, absolute ethyl alcohol.
An application for nickel porous cobalt dual-metal hydroxide nano sheet, as the application of the electrode material of ultracapacitor.
Embodiment 8 (electrochemical applications)
Nickel porous cobalt dual-metal hydroxide nano sheet embodiment 1 prepared, is directly used for doing electrode, using NaOH solution as electrolyte, does electrochemical properties test.
Get 10mL 0.1M NaOH solution and put into electrolysis tank as electrolyte solution, using the electrode of preparation in embodiment 1 as work electrode, connect three-electrode system, open electrochemical workstation.Set relevant parameter, sweep speed for 5mV s
-1time survey cyclic voltammetry curve (in Fig. 5 curve 1), then sweeping speed for 10mV s
-1time survey cyclic voltammetry curve (in Fig. 5 curve 2), the like obtain sweeping speed for 20mV s
-1(in Fig. 5 curve 3), 50mVs
-1(in Fig. 5 curve 4), 70mV s
-1(in Fig. 5 curve 5), 100mV s
-1(in Fig. 5 curve 6), as can be seen from the CV figure obtained, along with the increase electromotive force sweeping speed is linear.
Get 10mL 0.1M NaOH solution and put into electrolysis tank as electrolyte solution, using the electrode of preparation in embodiment 1 as work electrode, connect three-electrode system, open electrochemical workstation.Set relevant parameter, at 1A g
-1time obtain charging and discharging curve (in Fig. 6 curve 1), at 2A g
-1time obtain charging and discharging curve (in Fig. 6 curve 2), at 5A g
-1time obtain charging and discharging curve (in Fig. 6 curve 3), at 10A g
-1time obtain charging and discharging curve (in Fig. 6 curve 4), at 20A g
-1time obtain charging and discharging curve (in Fig. 6 curve 5), can show that nickel porous cobalt dual-metal hydroxide nano sheet material compares other material capacity as electrode from charging and discharging curve large, be 1A g by calculating in current density
-1time, maximum concrete electric capacity is 2184F g
-1.
Claims (8)
1. a nickel porous cobalt dual-metal hydroxide nano sheet, is characterized in that, with metal nickel sheet for substrate, the vertical ordering growth of nickel cobalt dual-metal hydroxide is in nickel sheet.
2. a preparation method for nickel porous cobalt dual-metal hydroxide nano sheet according to claim 1, comprises the following steps:
The clean operation of a, nickel sheet:
First use sand papering, then carry out ultrasonic cleaning with 1M hydrochloric acid, acetone, ethanol, redistilled water successively, the ultrasonic cleaning time is 10-20min;
B, nickel porous cobalt dual-metal hydroxide nano sheet preparation section:
Redistilled water, divalent nickel salt and divalent cobalt are mixed, obtain mixed liquor, more dropwise add sodium hydroxide solution, constantly stir after making its Homogeneous phase mixing, pour in reactor, the nickel sheet of cleaning rear surface cleaning is immersed, reactor is airtight, reaction, be cooled to room temperature, by distilled water, washes of absolute alcohol, drying at room temperature, namely obtain nickel porous cobalt dual-metal hydroxide nano sheet.
3. preparation method according to claim 2, is characterized in that, in step b, redistilled water, Nickel dichloride hexahydrate and cobalt chloride hexahydrate is mixed, and in the mixed liquor obtained, the concentration of divalent nickel salt solution is 0.1M.
4. preparation method according to claim 2, is characterized in that, in step b, redistilled water, divalent nickel salt and divalent cobalt is mixed, and in the mixed liquor obtained, the concentration of divalent cobalt solution is 0.1M-1M.
5. the preparation method according to claim 3 or 4, is characterized in that, in step b, described reaction for react 4-12h at 60-100 DEG C.
6. the preparation method according to Claims 2 or 3, is characterized in that, in step b, the sodium hydroxide solution solubility added is 0.4M-2.2M.
7. preparation method according to claim 6, is characterized in that, in step b, the volume of the sodium hydroxide solution added and the volume ratio of described redistilled water are 1:1.
8. an application for nickel porous cobalt dual-metal hydroxide nano sheet according to claim 1, is characterized in that, as the application of the electrode material of ultracapacitor.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449127A (en) * | 2016-08-31 | 2017-02-22 | 河北工业大学 | Low-temperature synthesis method of chloride-ion-intercalated 3D nickel-cobalt double-metal-hydroxide material |
| CN106960730A (en) * | 2017-01-23 | 2017-07-18 | 四川大学 | A kind of high stability nickel cobalt double-hydroxide electrode material and preparation method thereof |
| CN107680821A (en) * | 2017-09-22 | 2018-02-09 | 安徽师范大学 | A kind of double-metal hydroxide@nickel molybdate@graphene nanocomposite materials, preparation method and applications |
| CN108144620A (en) * | 2017-12-05 | 2018-06-12 | 西北工业大学 | Foamed nickel supported composite Nano metal oxide electrode material preparation method |
| CN109650465A (en) * | 2018-12-25 | 2019-04-19 | 四川大学 | Flower and preparation method thereof in a kind of nickel cobalt duplex metal hydroxide nanometer piece |
| CN110064398A (en) * | 2019-04-24 | 2019-07-30 | 中南大学 | Room temperature one kettle way prepares ultra-thin cobalt-based bimetallic oxide nanometer sheet |
| CN110911174A (en) * | 2019-12-23 | 2020-03-24 | 中国矿业大学 | Preparation method and application of NiCo-LDH nano material |
| CN112795054A (en) * | 2021-01-05 | 2021-05-14 | 湘潭大学 | Cyclic cross-linked polyphosphazene surface modified nickel-cobalt double hydroxide flame retardant and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449127A (en) * | 2016-08-31 | 2017-02-22 | 河北工业大学 | Low-temperature synthesis method of chloride-ion-intercalated 3D nickel-cobalt double-metal-hydroxide material |
| CN106960730A (en) * | 2017-01-23 | 2017-07-18 | 四川大学 | A kind of high stability nickel cobalt double-hydroxide electrode material and preparation method thereof |
| CN107680821A (en) * | 2017-09-22 | 2018-02-09 | 安徽师范大学 | A kind of double-metal hydroxide@nickel molybdate@graphene nanocomposite materials, preparation method and applications |
| CN107680821B (en) * | 2017-09-22 | 2019-04-16 | 安徽师范大学 | A kind of double-metal hydroxide@nickel molybdate@graphene nanocomposite material, preparation method and applications |
| CN108144620A (en) * | 2017-12-05 | 2018-06-12 | 西北工业大学 | Foamed nickel supported composite Nano metal oxide electrode material preparation method |
| CN109650465A (en) * | 2018-12-25 | 2019-04-19 | 四川大学 | Flower and preparation method thereof in a kind of nickel cobalt duplex metal hydroxide nanometer piece |
| CN109650465B (en) * | 2018-12-25 | 2021-04-27 | 四川大学 | Nickel-cobalt double-metal hydroxide nanosheet flower and preparation method thereof |
| CN110064398A (en) * | 2019-04-24 | 2019-07-30 | 中南大学 | Room temperature one kettle way prepares ultra-thin cobalt-based bimetallic oxide nanometer sheet |
| CN110911174A (en) * | 2019-12-23 | 2020-03-24 | 中国矿业大学 | Preparation method and application of NiCo-LDH nano material |
| CN112795054A (en) * | 2021-01-05 | 2021-05-14 | 湘潭大学 | Cyclic cross-linked polyphosphazene surface modified nickel-cobalt double hydroxide flame retardant and preparation method thereof |
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Application publication date: 20150218 |