CN110165212A - A kind of graphene battery conductive agent - Google Patents
A kind of graphene battery conductive agent Download PDFInfo
- Publication number
- CN110165212A CN110165212A CN201810078689.8A CN201810078689A CN110165212A CN 110165212 A CN110165212 A CN 110165212A CN 201810078689 A CN201810078689 A CN 201810078689A CN 110165212 A CN110165212 A CN 110165212A
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- parts
- graphene
- conductive agent
- graphene battery
- mixed solution
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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
Abstract
The invention belongs to graphene battery technical fields, and in particular to a kind of graphene battery conductive agent.The graphene battery conductive agent, each raw material form in mass ratio: 5-15 parts of graphene；6-15 parts of polyacrylonitrile fibre；2-3 parts of triethylene tetramine；60-80 parts of ethyl alcohol；10-25 parts of acetone；10-18 parts of butyrolactone；1-5 parts of terbium oxide；0.5-1 parts of titanium carbide；5-8 parts of fluorinated ethylene carbonate.The beneficial effect is that: a kind of graphene battery conductive agent of the present invention reduces cost, improves graphene dispersion, improves electric conductivity and cycle life, improves cryogenic property.
Description
Technical field
The invention belongs to graphene battery technical fields, and in particular to a kind of graphene battery conductive agent.
Background technique
Lithium ion secondary battery is as a kind of novel high-energy secondary power supply, big, discharging voltage balance, voltage with specific energy
High and low temperature performance is good, pollution-free, security performance is superior and storage and long working life, the advantages that utilization rate is high.
The lithium ion battery of the prior art mainly uses electrically conductive graphite, acetylene black and carbon nanotube as conductive agent, acetylene
The black chain object being made of amorphous carbon particles spherical in shape is current the most widely used conductive agent, cheap, but
In order to achieve the purpose that contact with each other between enhancing electrode active material, required additive amount is larger, to cause electrode capacity
Decline；Carbon nanotube is the one-dimensional carbonaceous material in line style, and compared with acetylene black, carbon nanotube has more preferably electric conductivity
Can and additive amount it is few, the shortcomings that but carbon nanotube at present is expensive, and there are difficulties in dispersion when using as conductive agent.
Summary of the invention
In order to compensate for the shortcomings of the prior art, the present invention provides a kind of graphene battery conductive agents.
The present invention is achieved through the following technical solutions:
A kind of graphene battery conductive agent, each raw material form in mass ratio: 5-15 parts of graphene；Polyacrylonitrile fibre 6-15
Part；2-3 parts of triethylene tetramine；60-80 parts of ethyl alcohol；10-25 parts of acetone；10-18 parts of butyrolactone；1-5 parts of terbium oxide；Titanium carbide
0.5-1 parts；5-8 parts of fluorinated ethylene carbonate.
A kind of preparation method of graphene battery conductive agent, comprises the following steps that:
1) graphene and polyacrylonitrile fibre are mixed with triethylene tetramine, ethyl alcohol, acetone, butyrolactone, ultrasonic disperse
After 10-25min, mixed solution A is obtained；
2) terbium oxide and titanium carbide will be added in the mixed solution A obtained in step 1), stirs 30- at 30-45 DEG C of temperature
60min；Obtain mixed solution B；
3) fluorinated ethylene carbonate stirring will be added in the mixed solution B obtained in step 2, both obtain graphene conductive agent.
The beneficial effects of the present invention are: a kind of graphene battery conductive agent of the present invention reduce cost, improve graphene dispersion,
Electric conductivity and cycle life are improved, cryogenic property is improved.
Specific embodiment
Specific embodiments of the present invention are given below, for further explaining the composition of the present invention.
Embodiment 1
A kind of graphene battery conductive agent of the present invention, each raw material form in mass ratio: 5 parts of graphene；Polyacrylonitrile fibre 6
Part；2 parts of triethylene tetramine；60 parts of ethyl alcohol；10 parts of acetone；10 parts of butyrolactone；1 part of terbium oxide；0.5 part of titanium carbide；Fluoro carbonic acid
5 parts of vinyl acetate.
A kind of preparation method of graphene battery conductive agent, comprises the following steps that:
It 1) will be in 5 parts of graphenes and 6 parts of polyacrylonitrile fibres and 2 parts of triethylene tetramines, 60 parts of ethyl alcohol, 10 parts of acetone, 10 parts of fourths
Ester is mixed, and after ultrasonic disperse 10-25min, obtains mixed solution A；
2) 1 part of terbium oxide and 0.5 part of titanium carbide will be added in the mixed solution A obtained in step 1), is stirred at 30-45 DEG C of temperature
Mix 30-60min；Obtain mixed solution B；
3) 5 parts of fluorinated ethylene carbonate stirrings will be added in the mixed solution B obtained in step 2, both obtain graphene conductive agent.
Embodiment 2
A kind of graphene battery conductive agent of the present invention, each raw material form in mass ratio: 9 parts of graphene；Polyacrylonitrile fibre
12 parts；2.5 parts of triethylene tetramine；75 parts of ethyl alcohol；18 parts of acetone；15 parts of butyrolactone；3 parts of terbium oxide；0.8 part of titanium carbide；Fluoro
6 parts of ethylene carbonate.
A kind of preparation method of graphene battery conductive agent, comprises the following steps that:
1) by 9 parts of graphenes and 12 parts of polyacrylonitrile fibres and 2.5 parts of triethylene tetramines, 75 parts of ethyl alcohol, 18 parts of acetone, 15 parts of fourths
Lactone is mixed, and after ultrasonic disperse 10-25min, obtains mixed solution A；
2) 3 parts of terbium oxides and 0.8 part of titanium carbide will be added in the mixed solution A obtained in step 1), is stirred at 30-45 DEG C of temperature
Mix 30-60min；Obtain mixed solution B；
3) 6 parts of fluorinated ethylene carbonate stirrings will be added in the mixed solution B obtained in step 2, both obtain graphene conductive agent.
Embodiment 3
A kind of graphene battery conductive agent of the present invention, each raw material form in mass ratio: 15 parts of graphene；Polyacrylonitrile fibre
15 parts；3 parts of triethylene tetramine；80 parts of ethyl alcohol；25 parts of acetone；18 parts of butyrolactone；5 parts of terbium oxide；1 part of titanium carbide；Fluoro carbon
8 parts of vinyl acetate.
A kind of preparation method of graphene battery conductive agent, comprises the following steps that:
1) by 15 parts of graphenes and 15 parts of polyacrylonitrile fibres and 3 parts of triethylene tetramines, 80 parts of ethyl alcohol, 25 parts of acetone, 18 parts of fourths
Lactone is mixed, and after ultrasonic disperse 10-25min, obtains mixed solution A；
2) 5 parts of terbium oxides and 1 part of titanium carbide will be added in the mixed solution A obtained in step 1), is stirred at 30-45 DEG C of temperature
30-60min；Obtain mixed solution B；
3) 8 parts of fluorinated ethylene carbonate stirrings will be added in the mixed solution B obtained in step 2, both obtain graphene conductive agent.
The present invention is not limited to the above-described embodiments, anyone should learn make under the inspiration of the present invention with the present invention
With same or similar technical solution, fall within the scope of protection of the present invention.
Technology not described in detail in the present invention, shape, construction portion are well-known technique.
Claims (4)
1. a kind of graphene battery conductive agent, it is characterised in that: each raw material composition and ratio are as follows: 5-15 parts of graphene；Polyacrylonitrile
6-15 parts of fiber；2-3 parts of triethylene tetramine；60-80 parts of ethyl alcohol；10-25 parts of acetone；10-18 parts of butyrolactone；1-5 parts of terbium oxide；
0.5-1 parts of titanium carbide；5-8 parts of fluorinated ethylene carbonate.
2. a kind of graphene battery conductive agent according to claim 1, it is characterised in that: each raw material composition presses quality proportioning
Are as follows: 15 parts of graphene；15 parts of polyacrylonitrile fibre；3 parts of triethylene tetramine；80 parts of ethyl alcohol；25 parts of acetone；18 parts of butyrolactone；Oxygen
Change 5 parts of terbium；1 part of titanium carbide；8 parts of fluorinated ethylene carbonate.
3. a kind of graphene battery conductive agent according to claim 1, it is characterised in that: each raw material composition presses quality proportioning
Are as follows: 9 parts of graphene；12 parts of polyacrylonitrile fibre；2.5 parts of triethylene tetramine；75 parts of ethyl alcohol；18 parts of acetone；15 parts of butyrolactone；Oxygen
Change 3 parts of terbium；0.8 part of titanium carbide；6 parts of fluorinated ethylene carbonate.
4. a kind of graphene battery conductive agent according to claim 1, it is characterised in that: the graphene battery is conductive
The preparation method of agent, comprises the following steps that:
1) by 15 parts of graphenes and 15 parts of polyacrylonitrile fibres and 3 parts of triethylene tetramines, 80 parts of ethyl alcohol, 25 parts of acetone, 18 parts of fourths
Lactone is mixed, and after ultrasonic disperse 10-25min, obtains mixed solution A；
2) 5 parts of terbium oxides and 1 part of titanium carbide will be added in the mixed solution A obtained in step 1), is stirred at 30-45 DEG C of temperature
30-60min；Obtain mixed solution B；
3) 8 parts of fluorinated ethylene carbonate stirrings will be added in the mixed solution B obtained in step 2), both obtain graphene conductive agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810078689.8A CN110165212A (en) | 2018-01-26 | 2018-01-26 | A kind of graphene battery conductive agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810078689.8A CN110165212A (en) | 2018-01-26 | 2018-01-26 | A kind of graphene battery conductive agent |
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| Publication Number | Publication Date |
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| CN110165212A true CN110165212A (en) | 2019-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810078689.8A Withdrawn CN110165212A (en) | 2018-01-26 | 2018-01-26 | A kind of graphene battery conductive agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111628171A (en) * | 2020-04-17 | 2020-09-04 | 杭州千岛湖赋溪实业有限公司 | Battery graphite conductive agent and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102473955A (en) * | 2009-07-17 | 2012-05-23 | 株式会社Lg化学 | Lithium secondary battery comprising water dispersible binder, conducting material, and fluoroethylene carbonate |
| CN105118998A (en) * | 2015-04-29 | 2015-12-02 | 宁波职业技术学院 | Graphene conductive agent |
-
2018
- 2018-01-26 CN CN201810078689.8A patent/CN110165212A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102473955A (en) * | 2009-07-17 | 2012-05-23 | 株式会社Lg化学 | Lithium secondary battery comprising water dispersible binder, conducting material, and fluoroethylene carbonate |
| CN105118998A (en) * | 2015-04-29 | 2015-12-02 | 宁波职业技术学院 | Graphene conductive agent |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111628171A (en) * | 2020-04-17 | 2020-09-04 | 杭州千岛湖赋溪实业有限公司 | Battery graphite conductive agent and preparation method thereof |
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Application publication date: 20190823 |