CN108899553A - A kind of preparation method of high conductivity metal net load graphene collector - Google Patents
A kind of preparation method of high conductivity metal net load graphene collector Download PDFInfo
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- CN108899553A CN108899553A CN201810741955.0A CN201810741955A CN108899553A CN 108899553 A CN108899553 A CN 108899553A CN 201810741955 A CN201810741955 A CN 201810741955A CN 108899553 A CN108899553 A CN 108899553A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/663—Selection of materials containing carbon or carbonaceous materials as conductive part, e.g. graphite, carbon fibres
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/72—Grids
- H01M4/74—Meshes or woven material; Expanded metal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
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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
- Y02E60/10—Energy storage using batteries
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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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
A kind of preparation method of high conductivity metal net load graphene collector, belongs to field of batteries.Battery afflux liquid includes metal mesh and grapheme material, and graphene is steadily supported on metal mesh.Battery afflux liquid has the performance for causing conductivity to improve because introducing graphene.The battery afflux liquid provided in example of the present invention has highly reinforcing electric conductivity, can promote its performance to a certain extent.
Description
Technical field
The present invention relates to field of batteries, in particular to a kind of high conductivity metal net load graphene collector
Preparation method.
Background technique
China region is vast, and there are also some areas electric power not to popularize, along with the natural calamity accidentally occurred, results in use
Electric difficult awkward situation.The appearance of fuel cell (one-shot battery) is greatly solved the problems, such as in field short of electricity, severe natural
The countries and regions that can not be covered for reply ground observation worker and power grid of emergency power supply under environment are particularly important.
Lithium ion battery (secondary cell) due to it is widely used in smart phone and new energy devices and by state
Inside and outside extensive concern.Emerging magnesium fuel cell, lithium-sulfur cell, sodium-ion battery etc. are still in due to most domestic achievement
Laboratory stage or technology are immature, wherein the technical issues of facing first is that the electric conductivity of required collector.
In new fuel cell such as magnesium electricity, since its anode theoretical energy density is high, there is good thermal adaptability,
By extensive concern both at home and abroad.But the research achievement of Most current is immature also in laboratory stage or technology, leads
Magnesium cell performance and theoretical value is caused to have certain sizable gap.The novel ions such as secondary cell such as lithium, sodium, potassium battery is also
So.
Graphene be one kind by carbon atom with sp2The two-dimentional carbon nanomaterial of hybridized orbit.Manchester, England in 2004
An Deliehaimu professor of university et al. has found and in acquisition Nobel Prize in physics in 2009.Graphene has excellent light
, electricity, mechanical characteristic, materialogy, micro-nano technology, the energy, biomedicine and in terms of have and important answer
With prospect, it is considered to be a kind of future revolutionary material.Its conductivity is up to 106S·m-1More than, if can have in conductivity
One or more layers graphene is loaded on metal mesh to be hoisted, the conductivity of reticulated collectors is greatly improved.
The information disclosed in the background technology section is intended only to deepen understanding of the general background technology to the present invention, and
It is not construed as recognizing or implying in any form that the information constitutes the prior art known to those skilled in the art.
Summary of the invention
Based on the deficiencies of the prior art, the present invention provides a kind of battery afflux liquids and preparation method thereof, with part or entirely
Improve to portion, even solve the above existing fuel cell (such as magnesium cell) and secondary cell (such as lithium ion battery, emerging sodium,
Potassium, aluminium ion battery and lithium-sulfur cell etc.) in the excessive problem of afflux bulk resistor.
The invention is realized in this way:
In a first aspect, the embodiment of the present invention provides a kind of system of high conductivity metal net load graphene collector
Preparation Method.
Preparation method includes:Conductive metal material is provided;Mention the dispersion liquid for watering as dispersing agent and being dispersed with graphene;
Conductive metal material is immersed in dispersion liquid and carries out hydro-thermal reaction.
In other one or more examples, conductive metal material is conductive metal mesh.
In other one or more examples, metal mesh includes copper mesh, silver-colored net, any one in aluminium net.
In other one or more examples, before metal mesh is immersed in dispersion liquid, removal metal net surface
Oxide layer.
In other one or more examples, the method for removing the oxide layer of metal net surface includes using acid corrosion gold
Belong to the oxide layer of net surface.
In other one or more examples, any one sour in dilute hydrochloric acid, dilute sulfuric acid, acetic acid.
In other one or more examples, collector includes metal mesh, the graphene for being supported on metal mesh.
In other one or more examples, graphene is stably bound in metal by the growth in situ of hydro-thermal method
On the net, having metal mesh leads to the conductivity being enhanced because introducing graphene.
In other one or more examples, grapheme material includes graphene, graphene oxide, reduction-oxidation graphite
It is one or more in alkene.
In other one or more examples, grapheme material is single-layer or multi-layer.
Beneficial effect:
Battery afflux liquid provided in an embodiment of the present invention introduces New Two Dimensional on the basis of original collector electric conductor
Material graphene, so that new battery afflux liquid has higher electric conductivity, while carbon material also brings inoxidizability
The promotion of energy.
Since new carbon graphene is stably bound in conductive material by the growth in situ of hydro-thermal method.Graphene
It is supported on metal mesh and is made by hydro-thermal method, to make graphene growth in situ in conductive material.
Carbon material can more evenly and firmly load conductive material by hydro-thermal method growth in situ, be made to improve
Make the service life of the battery afflux liquid come out.There is flexibility, and graphene accordingly, due to the conductive material of battery afflux liquid
Stable bond so that the battery afflux liquid is able to carry out distortion, bending, while retaining its electric conductivity, improve on metal mesh
Its usage mode and use field, be more advantageous to and be widely used.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.
Fig. 1 is the pictorial diagram of the current collector material of the copper mesh load graphene in the embodiment of the present invention 1;
Fig. 2 shows the electrochemical impedance spectroscopy comparison diagrams of copper mesh and collector in Fig. 1;
Fig. 3 shows the chemical property comparison diagram of copper mesh load graphene and nickel screen load graphene.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is
The conventional products that can be obtained by commercially available purchase.
Most various fuel cells, secondary cell have generally like construction, i.e. anode, cathode, electrolyte
And diaphragm.Wherein, anode, cathode usually need that collector is arranged.As its name suggests, collector be exactly collect electric current structure or
Part.For example, collector generally refers to metal foil on lithium ion battery, such as copper foil, aluminium foil.Its function mainly will be electric
The electric current that pond active material generates collects to form biggish current versus output, therefore collector should be with active material
It comes into full contact with, and as small as possible be preferred is answered in internal resistance.
In existing fuel cell and secondary cell, anode material is mainly using the magnesium with excellent properties, still
Its battery performance is often limited to the collector-of collector-especially cathode and cannot reach more preferably effect.Therefore,
It is necessary to be improved to its collector, to meet actual needs.
In practice, inventors have found that restricting a principal element of the performance of existing fuel cell and secondary cell is
Collector in original electrode of battery is because conductivity is insufficient and is easily oxidized.
In view of this, the present invention is specifically proposed.
In the present embodiment, by by conductive New Two Dimensional material graphene with hydro-thermal method growth in situ in metal mesh
On, thus in the case where other the equal original performances of ductility flexibility for keeping original electrode entirety are constant, the carbon of growth in situ
Material improves metal electron efficiency of transmission and antioxygenic property, and efficiently controls production cost, improves the service life of battery
And running parameter.Processing method in this way makes the electric conductivity of existing fuel cell or secondary cell core collector not
Good problem is enhanced to a certain extent.
It is specifically described below for a kind of battery afflux liquid and preparation method thereof of the embodiment of the present invention:
Battery afflux liquid provided in an embodiment of the present invention is a kind of composite construction.Such composite construction is keeping original collection
While the mechanical performance of fluid, also by introducing functional material graphene, the lower electricity that the collector for keeping this new has
Resistance and higher stability.
In addition, be different from the production method-of the battery afflux liquid of existing composite construction for example, coating (including dip-coating,
Spin coating, blade coating etc.), or pass through chemical vapor deposition etc. --- hydro-thermal method employed in example of the present invention can make graphene
Material carries out growth in situ on former collector, therefore, in conjunction with stronger while having both uniformity.
On the other hand, hydro-thermal method growth in situ graphene employed in example of the present invention also has manufacture craft simple
Single, process more easy-regulating such as graphene growth thickness.
It will be described the battery afflux liquid structure in example of the present invention below.
Battery afflux liquid can be the metal mesh of different materials production and the graphene of various criterion.It is graphene-supported to make
For on the metal mesh of substrate, and flexible metal mesh defines the shape of battery afflux liquid and to support metal mesh.Electricity
Pond collector has caused by introducing graphene the conductivity being enhanced relative to metal mesh.
On the one hand, on thickness, the metal mesh as substrate has the thickness for being significantly more than graphene (for metal mesh
For, the thickness of graphene typically refers to the thickness of the graphene-supported surface portion in metal mesh).On the other hand, metal mesh
Also usually there is relatively higher intensity, to maintain the specific structure of battery afflux liquid, while also having flexible to basis
Shape, the size of battery carry out secondary operation.
Wherein, metal mesh is made by conductive material.Pure metal or alloy can be usually adopted to.Improved example
In, conductive mesh is metal mesh, includes copper mesh, any one in aluminium net as example metals net.Preferably, as aforementioned, gold
Belonging to net is the reticular structure with conducting wire performance made by metal material (including simple substance and alloy).
Wherein, it is made by conductive carbon material.Conductive carbon material by the growth in situ of hydro-thermal method steadily
It is incorporated on metal mesh.Preferably, carbon material is grapheme material.Grapheme material includes graphene, graphene oxide, reduction
It is one or more in graphene oxide.In addition, the grapheme material for being supported on its surface can be when collector is sheet metal
Single-layer or multi-layer.
In the present embodiment, a kind of production method of battery afflux liquid above-mentioned is additionally provided.It has been observed that battery afflux liquid
Mainly it is made by hydro-thermal method.
Production method includes:Conductive material is provided;Mention the dispersion liquid for watering as dispersing agent and being dispersed with new carbon;
Conductive material is immersed in dispersion liquid and carries out hydro-thermal reaction.
Wherein, conductive material is preferably metal mesh with good conductivity, is used and being cut into desired shape.Or
Person, conductive material directly select commercial metal net collector.
For some metal meshes easy to oxidize, before metal mesh is immersed in dispersion liquid, metal mesh is removed
Oxide layer, it is preferred to use the oxide layer of Acids eat metals net.It is wherein described and acid can be dilute hydrochloric acid, dilute sulfuric acid, in acetic acid
Any one.Dilute hydrochloric acid, dilute sulfuric acid concentration can according to need and selected.
Graphene can be prepared by laboratory, or buying commercial product.
After the completion of hydro-thermal reaction, processed collector is cleaned into (such as deionized water flushing), is then done
Dry (such as naturally dry).
The method of the battery afflux liquid of production composite construction provided in an embodiment of the present invention has reaction condition mild, production
Process is simple, and raw material uses the advantages that less.In addition, obtained compound using production method proposed in example of the present invention
The battery afflux liquid of structure has wider prospect of the application, rather than modified form battery afflux liquid in the prior art is often prepared
Method and complex process are without being widely used.
In some examples of the invention, collector is carried out compound and is prepared using copper and graphene, therefore, at it
In appearance, black is changed by the yellow of original light, does not generate apparent variation after bending.
Battery afflux liquid and preparation method thereof of the invention is described in further detail with reference to embodiments.
Embodiment one:
1) pretreatment of raw material:Used commercial metals are copper;The graphene used is graphene, by metal net surface
Oxide layer is cleaned using diluted acid, and diluted acid is dilute hydrochloric acid.
2) graphene ultrasonic disperse is handled:By a certain amount of graphene ultrasonic disperse 20min in deionized water.
3) reaction temperature:120 DEG C of hydrothermal temperature, the reaction time is for 24 hours.
4) cleaning and drying condition:It is rinsed using deionization water flow until the small graphene particles without adsorption are swept away
Until.60 DEG C of dry 6h under vacuum conditions.
By multimeter detection, before compound, the resistance of copper current collector is 0.2 Ω, and its resistance is aobvious after compound
It writes and is lower than 0.1 Ω, the measurement range lower limit beyond multimeter.The electricity of the collector of composite construction is measured by electrochemical workstation
It is as shown in Figure 2 that chemical impedance composes (Electrochemical Impedance Spectroscopy, EIS).Copper mesh loads afflux
The slope of body be it is maximum in the two, show its best electrochemical performance under low diffusion resistance.
Embodiment two:
1) pretreatment of raw material:Used commercial metals are copper;The grapheme material used is graphene oxide;By metal
The oxide layer of net surface is cleaned using diluted acid, and diluted acid is acetum.
2) graphene ultrasonic disperse is handled:By a certain amount of graphene ultrasonic disperse 60min in deionized water.
3) reaction temperature:200 DEG C of hydrothermal temperature, reaction time 12h.
4) cleaning and drying condition:It is rinsed using deionization water flow until the small graphene particles without adsorption are swept away
Until.It dries in air for 24 hours.Its electrochemical impedance spectroscopy is fig. 3, it is shown that copper mesh loads this example B of graphene
Slope than copper mesh load graphene example A in Fig. 2 slightly increases, and shows this scheme with lower in electrochemical system
Resistance characteristic.
Embodiment three:
1) pretreatment of raw material:Used commercial metals are still metallic nickel;The grapheme material used is oxygen reduction fossil
Black alkene;The oxide layer of metal net surface is cleaned using diluted acid, diluted acid is dilute hydrochloric acid.
2) graphene ultrasonic disperse is handled:By a certain amount of graphene ultrasonic disperse 30min in deionized water.
3) reaction temperature:140 DEG C of hydrothermal temperature, reaction time 18h.
4) cleaning and drying condition:It is rinsed using deionization water flow until the small graphene particles without adsorption are swept away
Until.It dries in air for 24 hours.Electrochemical impedance spectroscopy after nickel screen load graphene is fig. 3, it is shown that nickel screen is negative
The slope after slope and copper mesh load graphene after carrying graphene is roughly the same, this shows that graphene uniform has been supported on two kinds
Metallic surface results in identical electrochemical effects and impedance.
Although illustrate and describing the present invention with specific embodiment, it will be appreciated that without departing substantially from of the invention
Many other change and modification can be made in the case where spirit and scope.It is, therefore, intended that in the following claims
Including belonging to all such changes and modifications in the scope of the invention.
Claims (10)
1. a kind of preparation method of high conductivity metal net load graphene collector, which is characterized in that the collector passes through
Hydro-thermal method is made, and the preparation method includes:Conductive metal material is provided;It mentions and waters as dispersing agent and be dispersed with graphite
The dispersion liquid of alkene;The conductive metal material is immersed in the dispersion liquid and carries out hydro-thermal reaction.
2. the preparation method of high conductivity metal net load graphene collector according to claim 1, which is characterized in that
The conductive metal material is conductive metal mesh.
3. the preparation method of high conductivity metal net load graphene collector according to claim 2, which is characterized in that
The metal mesh includes copper mesh, silver-colored net, any one in aluminium net.
4. the preparation method of high conductivity metal net load graphene collector according to claim 2 or 3, feature exist
In removing the oxide layer of the metal net surface before the metal mesh is immersed in the dispersion liquid.
5. the preparation method of high conductivity metal net load graphene collector according to claim 4, which is characterized in that
The method for removing the oxide layer of the metal net surface includes the oxide layer using metal net surface described in acid corrosion.
6. the preparation method of high conductivity metal net load graphene collector according to claim 5, which is characterized in that
Any one sour in dilute hydrochloric acid, dilute sulfuric acid, acetic acid.
7. the preparation method of high conductivity metal net load graphene collector according to claim 1, which is characterized in that
The collector includes metal mesh, the graphene for being supported on the metal mesh.
8. the preparation method of high conductivity metal net load graphene collector according to claim 7, which is characterized in that
The graphene is stably bound on the metal mesh by the growth in situ of hydro-thermal method, has the metal mesh because drawing
Enter the graphene and leads to the conductivity being enhanced.
9. the preparation method of high conductivity metal net load graphene collector according to claim 1, which is characterized in that
The graphene includes graphene oxide, one or more in redox graphene.
10. the preparation method of high conductivity metal net load graphene collector according to claim 9, feature exist
In the graphene is single-layer or multi-layer.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109921025A (en) * | 2019-03-12 | 2019-06-21 | 鑫土丰隆能源科技(苏州)有限公司 | A kind of power supply on vehicle system |
CN112038114A (en) * | 2020-08-31 | 2020-12-04 | 贵州梅岭电源有限公司 | Preparation method of carbon fiber-based graphene/nano polyaniline composite material |
CN113725447A (en) * | 2021-09-02 | 2021-11-30 | 中国地质大学(北京) | Magnesium-air battery with graphene oxide coated copper mesh current collector |
CN114639819A (en) * | 2022-03-24 | 2022-06-17 | 中南大学 | Sodium-rich manganese-based oxide composite substrate metal oxide self-supporting binary anode material and preparation method thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103779083A (en) * | 2012-10-23 | 2014-05-07 | 海洋王照明科技股份有限公司 | Nitrogen-doped graphene/metal composite current collector and preparation method thereof |
-
2018
- 2018-07-06 CN CN201810741955.0A patent/CN108899553A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103779083A (en) * | 2012-10-23 | 2014-05-07 | 海洋王照明科技股份有限公司 | Nitrogen-doped graphene/metal composite current collector and preparation method thereof |
Non-Patent Citations (1)
Title |
---|
PEISHUANG MIAO ET AL: ""Hydrothermal growth of 3D graphene on nickel foam as a substrate of nickel-cobalt-sulfur for high-performance supercapacitors"", 《JOURNAL OF ALLOYS AND COMPOUNDS》 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109921025A (en) * | 2019-03-12 | 2019-06-21 | 鑫土丰隆能源科技(苏州)有限公司 | A kind of power supply on vehicle system |
CN112038114A (en) * | 2020-08-31 | 2020-12-04 | 贵州梅岭电源有限公司 | Preparation method of carbon fiber-based graphene/nano polyaniline composite material |
CN113725447A (en) * | 2021-09-02 | 2021-11-30 | 中国地质大学(北京) | Magnesium-air battery with graphene oxide coated copper mesh current collector |
CN114639819A (en) * | 2022-03-24 | 2022-06-17 | 中南大学 | Sodium-rich manganese-based oxide composite substrate metal oxide self-supporting binary anode material and preparation method thereof |
CN114639819B (en) * | 2022-03-24 | 2024-01-30 | 中南大学 | Sodium-rich manganese-based oxide composite substrate metal oxide self-supporting binary anode material and preparation method thereof |
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