CN107591255A - A kind of ultracapacitor graphene/CuFe2O4Composite nano materials and preparation method thereof - Google Patents
A kind of ultracapacitor graphene/CuFe2O4Composite nano materials and preparation method thereof Download PDFInfo
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- CN107591255A CN107591255A CN201710807096.6A CN201710807096A CN107591255A CN 107591255 A CN107591255 A CN 107591255A CN 201710807096 A CN201710807096 A CN 201710807096A CN 107591255 A CN107591255 A CN 107591255A
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- 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 kind of ultracapacitor graphene/CuFe2O4Composite nano materials and preparation method thereof, the CuFe2O4For nanometer chip architecture, size about 100nm, size uniformity, and it is evenly distributed on flake graphite alkene.The invention also discloses above-mentioned graphene/CuFe2O4Composite nano materials and preparation method thereof, comprise the following steps：1）By Cu (CH3COO)2、Fe(CH3COO)2In molar ratio 1:2 proportionings, are dissolved in deionized water, form 1.5 mol/L mixed solution.2）By above-mentioned mixed solution and redox graphene（rGO）Suspension mixes, and forms new mixing suspension.3）LiOH solution is added in above-mentioned mixing suspension, adjusts to PH, is placed in afterwards in reactor, react 21h at 100 DEG C；Last thing is annealed at ambient pressure.Graphene/CuFe prepared by the present invention2O4Composite nano materials electrochemical performance, it is a kind of preferable electrode material for super capacitor.
Description
Technical field
The present invention relates to electrode material for super capacitor field, especially graphene combination electrode material field.
Background technology
Ultracapacitor, it is a kind of novel energy-storing element between common electrostatic capacitor and secondary cell.Due to
It has that specific power is high, specific capacity is big, cost is low, have extended cycle life, be memoryless, efficiency for charge-discharge is high, it is not necessary to safeguards and protects
The advantages that supporting, therefore in mobile communication, information technology, electric automobile, Aero-Space and science and techniques of defence etc. with wide
Application prospect.Countries in the world all give great attention, and are researched and developed as focus development project and strategic research.
Graphene is a kind of two-dimentional carbon nanomaterial, has excellent physical characteristic.Graphene can be applied and super electricity
Container has been primarily due to following characteristics:Compared with traditional porous carbon materials, graphene（1）With very high electrical conductivity
（104-106S/m）（2）Very big specific surface area（-2675m2/g）.But also there is its shortcoming, apply on ultracapacitor, stone
Black alkene interlayer is easily accumulated, and reduces specific surface area, while also counteracts that electrolyte enters electrode surface.
The composite of graphene and nano-oxide has some reports, the electrode material for ultracapacitor.Such as
Graphene and CuO, Fe2O3、V2O5、NiO、Co3O4、Mn2O5Deng the composite of formation.But graphene is formed with multivariant oxide
The also less report of composite nano materials.This patent proposes a kind of graphene and CuFe2O4The composite nano materials of formation, it is one
The good electrode material for super capacitor of kind.
The content of the invention
It is contemplated that graphene and binary oxide are organically combined, a kind of new composite nano materials are formed, to
Acquisition prepares the combination electrode material of premium properties ultracapacitor.
The present invention provides a kind of ultracapacitor graphene/CuFe2O4Composite nano materials and preparation method thereof, it is described
CuFe2O4For nanometer chip architecture, size about 100nm, size uniformity, and it is evenly distributed on flake graphite alkene.
Present invention also offers a kind of above-mentioned ultracapacitor graphene/CuFe2O4Composite nano materials and its preparation side
Method, comprise the following steps：
1）By Cu (CH3COO)2、Fe(CH3COO)2In molar ratio 1:2 proportionings, are dissolved in deionized water, form 1.5 mol/L's
Mixed solution；
2）By above-mentioned mixed solution and redox graphene（rGO）Suspension mixes, volume ratio 1:3-1:6, wherein rGO hangs
Supernatant liquid concentration is 1.5 mol/L, forms new mixing suspension；
3）2 mol/L LiOH solution is added in above-mentioned mixing suspension, it is 10.5 to adjust to PH, and ultrasonic vibration makes its uniform
Afterwards, it is placed in reactor, reacts 21h at 100 DEG C, obtained sediment is cleaned repeatedly with deionized water and ethanol, is obtained just
Walk product；
4）Above-mentioned primary product is carried out to alternating, step annealing at ambient pressure, annealing process is：Ar gas, 600 DEG C, 10min, N2
Gas, 800 DEG C, 10min, Ar gas, 1000 DEG C, 10min, N2Gas, 1200 DEG C, 10min, after annealing, obtain final product.
The useful achievement of the present invention is：
1）Graphene/CuFe prepared by the present invention2O4Composite nano materials, CuFe2O4For nanometer chip architecture, without other oxides
Nano material occurs, and size is very uniform.
2）Graphene/CuFe prepared by the present invention2O4Composite nano materials pattern is homogeneous, is evenly distributed, and with graphene knot
Close firmly, suitable for mass industrialized production.
3）Graphene/CuFe prepared by the present invention2O4Composite nano materials electrochemical performance, it is a kind of preferably super
Level capacitor electrode material.
Brief description of the drawings
Fig. 1 is embodiment 1）Obtained graphene/CuFe2O4The transmission electron microscope of composite nano materials（TEM）Figure.
Fig. 2 is embodiment 1）Obtained graphene/CuFe2O4Cyclical stability when composite nano materials are as electrode is bent
Line, test current density 3 A/g.
Embodiment
To further illustrate the present invention, illustrated in more detail with reference to specific embodiment and accompanying drawing.
Embodiment 1
1）By Cu (CH3COO)2、Fe(CH3COO)2In molar ratio 1:2 proportionings, are dissolved in deionized water, form 1.5 mol/L's
Mixed solution；
2）By above-mentioned mixed solution and redox graphene（rGO）Suspension mixes, volume ratio 1:3, wherein rGO suspension
Concentration is 1.5 mol/L, forms new mixing suspension；
3）2 mol/L LiOH solution is added in above-mentioned mixed solution, it is 10.5 to adjust to PH, and ultrasonic vibration makes its uniform
Afterwards, it is placed in reactor, reacts 21h at 100 DEG C, obtained sediment is cleaned repeatedly with deionized water and ethanol, is obtained just
Walk product；
4）Above-mentioned primary product is carried out to alternating, step annealing at ambient pressure, annealing process is：Ar gas, 600 DEG C, 10min, N2
Gas, 800 DEG C, 10min, Ar gas, 1000 DEG C, 10min, N2Gas, 1200 DEG C, 10min, after annealing, obtain final product stone
Black alkene/CuFe2O4Composite nano materials.
Embodiment 2
1）By Cu (CH3COO)2、Fe(CH3COO)2In molar ratio 1:2 proportionings, are dissolved in deionized water, form 1.5 mol/L's
Mixed solution；
2）By above-mentioned mixed solution and redox graphene（rGO）Suspension mixes, volume ratio 1:4, wherein rGO suspension
Concentration is 1.5 mol/L, forms new mixing suspension；
3）2 mol/L LiOH solution is added in above-mentioned mixing suspension, it is 10.5 to adjust to PH, and ultrasonic vibration makes its uniform
Afterwards, it is placed in reactor, reacts 21h at 100 DEG C, obtained sediment is cleaned repeatedly with deionized water and ethanol, is obtained just
Walk product；
4）Above-mentioned primary product is carried out to alternating, step annealing at ambient pressure, annealing process is：Ar gas, 600 DEG C, 10min, N2
Gas, 800 DEG C, 10min, Ar gas, 1000 DEG C, 10min, N2Gas, 1200 DEG C, 10min, after annealing, obtain final product stone
Black alkene/CuFe2O4Composite nano materials.
Embodiment 3
1）By Cu (CH3COO)2、Fe(CH3COO)2In molar ratio 1:2 proportionings, are dissolved in deionized water, form 1.5 mol/L's
Mixed solution；
2）By above-mentioned mixed solution and redox graphene（rGO）Suspension mixes, volume ratio 1:6, wherein rGO suspension
Concentration is 1.5 mol/L, forms new mixing suspension；
3）2 mol/L LiOH solution is added in above-mentioned mixing suspension, it is 10.5 to adjust to PH, and ultrasonic vibration makes its uniform
Afterwards, it is placed in reactor, reacts 21h at 100 DEG C, obtained sediment is cleaned repeatedly with deionized water and ethanol, is obtained just
Walk product；
4）Above-mentioned primary product is carried out to alternating, step annealing at ambient pressure, annealing process is：Ar gas, 600 DEG C, 10min, N2
Gas, 800 DEG C, 10min, Ar gas, 1000 DEG C, 10min, N2Gas, 1200 DEG C, 10min, after annealing, obtain final product stone
Black alkene/CuFe2O4Composite nano materials.
Pass through transmission electron microscope（TEM）To graphene/CuFe made from each embodiment2O4Composite nano materials are carried out
Morphology observation, if Fig. 1 is graphene/CuFe that embodiment 1 obtains2O4The transmission electron microscope of composite nano materials（TEM）
Scheme, CuFe is shown in figure2O4For nanometer chip architecture, size about 100nm, size uniformity, and it is evenly distributed in flake graphite alkene
On.
Using nano composite material made from each embodiment as electrode, electrical performance testing is carried out.Test result is shown, real
Apply graphene/CuFe that example 1 obtains2O4During electrode of the composite nano materials as ultracapacitor, have electric double layer capacitance special
Property, under 1 A/g current density, the F/g of specific capacitance 579；When current density increases to 10 A/g, specific capacitance is 465 F/
G, conservation rate 80.3%；After loop test 5000 times, specific capacitance conservation rate is 88.2%；Performance is extremely excellent, far above having reported
Other electric double layer capacitance electrodes in road, such as the 50-150 F/g of activated carbon.Fig. 2 is graphene/CuFe that embodiment 1 obtains2O4It is multiple
Stable circulation linearity curve when closing nano material as electrode, the test A/g of current density 3, after loop test 5000 times, than electricity
It is 88.2% to hold conservation rate.Graphene/CuFe is made in embodiment 2 and embodiment 32O4Composite nano materials are as super capacitor electrode
During pole, it is as follows to test its electrical performance index：
Graphene/CuFe is made in embodiment 22O4Composite nano materials, there is electric double layer capacitance characteristic；It is close in 1 A/g electric current
Under degree, the F/g of specific capacitance 561；When current density increases to 10 A/g, specific capacitance is 443 F/g, conservation rate 79%；Circulation
After test 5000 times, specific capacitance conservation rate is 90.1%.
Graphene/CuFe is made in embodiment 32O4Composite nano materials, there is electric double layer capacitance characteristic；In 1 A/g electric current
Under density, the F/g of specific capacitance 602；When current density increases to 10 A/g, specific capacitance is 487 F/g, conservation rate 80.9%；
After loop test 5000 times, specific capacitance conservation rate is 87.5%.
Obviously, although present disclosure has been made complete and clearly described with regard to its disclosed embodiment,
It is not limited only to this, and embodiments described above is only part of the embodiment of the present invention, rather than whole embodiments.It is right
For the personnel of art, obtained institute is made improvements and substitutes to the present invention by the guidance of these statements
There is other embodiment, among the present invention.
Claims (4)
- A kind of 1. ultracapacitor graphene/CuFe2O4Composite nano materials and preparation method thereof, it is characterised in that：It is described CuFe2O4For nanometer chip architecture, size uniformity, and it is evenly distributed on flake graphite alkene.
- A kind of 2. ultracapacitor graphene/CuFe according to claim 12O4Composite nano materials and its preparation side Method, it is characterised in that：The CuFe2O4Size about 100nm.
- A kind of 3. ultracapacitor graphene/CuFe according to claim 1 or 22O4Composite nano materials and its preparation Method, it is characterised in that comprise the following steps：1）By Cu (CH3COO)2、Fe(CH3COO)2In molar ratio 1:2 proportionings, are dissolved in deionized water, form the mixed of 1.5 mol/L Close solution；2）By above-mentioned mixed solution and redox graphene（rGO）Suspension mixes, volume ratio 1:3-1:6, wherein rGO hangs Supernatant liquid concentration is 1.5 mol/L, forms new mixing suspension；3）2 mol/L LiOH solution is added in above-mentioned mixing suspension, it is 10.5 to adjust to PH, and ultrasonic vibration makes its uniform Afterwards, it is placed in reactor, reacts 21h at 100 DEG C, obtained sediment is cleaned repeatedly with deionized water and ethanol, is obtained just Walk product；4）Above-mentioned primary product is annealed at ambient pressure, obtains final product.
- A kind of 4. ultracapacitor graphene/CuFe according to claim 32O4Composite nano materials and its preparation side Method, it is characterised in that：Step 4）The technique of annealing is：Ar gas, 600 DEG C, 10min, N2Gas, 800 DEG C, 10min, Ar gas, 1000 DEG C, 10min, N2Gas, 1200 DEG C, 10min.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527387A (en) * | 2011-12-26 | 2012-07-04 | 南京理工大学 | Copper ferrite-graphene nano complex and preparation method thereof |
| CN102779994A (en) * | 2012-07-23 | 2012-11-14 | 浙江大学 | Iron-based complex oxide/graphene composite and preparation method and application thereof |
| CN103066249A (en) * | 2013-01-25 | 2013-04-24 | 浙江大学 | Cobalt-based complex oxide/graphene composite material as well as preparation method and application thereof |
| CN103316635A (en) * | 2013-07-03 | 2013-09-25 | 重庆交通大学 | Graphene/double-metal oxide composite material and preparation method and application thereof |
| CN104576075A (en) * | 2014-12-31 | 2015-04-29 | 江苏江大环保科技开发有限公司 | Preparation method of 3D coralline graphene/NiCo2O4 composite material and application of same in super capacitor |
| CN104882298A (en) * | 2015-04-30 | 2015-09-02 | 江苏大学 | Method for preparing NiCo2O4/graphene supercapacitor material with microwave method |
| CN104944474A (en) * | 2015-06-23 | 2015-09-30 | 中南大学 | Method for preparing nanometer MnFe2O4/graphene composite material |
| WO2017091815A1 (en) * | 2015-11-25 | 2017-06-01 | William Marsh Rice University | Formation of three-dimensional materials by combining catalytic and precursor materials |
-
2017
- 2017-09-08 CN CN201710807096.6A patent/CN107591255A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527387A (en) * | 2011-12-26 | 2012-07-04 | 南京理工大学 | Copper ferrite-graphene nano complex and preparation method thereof |
| CN102779994A (en) * | 2012-07-23 | 2012-11-14 | 浙江大学 | Iron-based complex oxide/graphene composite and preparation method and application thereof |
| CN103066249A (en) * | 2013-01-25 | 2013-04-24 | 浙江大学 | Cobalt-based complex oxide/graphene composite material as well as preparation method and application thereof |
| CN103316635A (en) * | 2013-07-03 | 2013-09-25 | 重庆交通大学 | Graphene/double-metal oxide composite material and preparation method and application thereof |
| CN104576075A (en) * | 2014-12-31 | 2015-04-29 | 江苏江大环保科技开发有限公司 | Preparation method of 3D coralline graphene/NiCo2O4 composite material and application of same in super capacitor |
| CN104882298A (en) * | 2015-04-30 | 2015-09-02 | 江苏大学 | Method for preparing NiCo2O4/graphene supercapacitor material with microwave method |
| CN104944474A (en) * | 2015-06-23 | 2015-09-30 | 中南大学 | Method for preparing nanometer MnFe2O4/graphene composite material |
| WO2017091815A1 (en) * | 2015-11-25 | 2017-06-01 | William Marsh Rice University | Formation of three-dimensional materials by combining catalytic and precursor materials |
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