CN104409737B - Lithium battery power energy storage polymer positive and negative anodes adhesive specially - Google Patents
Lithium battery power energy storage polymer positive and negative anodes adhesive specially Download PDFInfo
- Publication number
- CN104409737B CN104409737B CN201410779240.6A CN201410779240A CN104409737B CN 104409737 B CN104409737 B CN 104409737B CN 201410779240 A CN201410779240 A CN 201410779240A CN 104409737 B CN104409737 B CN 104409737B
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- Prior art keywords
- parts
- energy storage
- lithium battery
- battery power
- negative anodes
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Classifications
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
- H01M4/622—Binders being polymers
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of lithium battery power energy storage polymer positive and negative anodes adhesive speciallies, it is related to a kind of adhesive.It is grouped as by the group of following weight proportion：120 parts of acrylic emulsion, 20 90 parts of emulsifier, 20 parts of lithium hydroxide, 1 10 parts of polyacrylamide, 30 parts of filler, 300 parts of diluent, 0.5 9 parts of carboxymethyl cellulose, 0.1 6 parts of antioxidant, 1.5 20 parts of activating agent.The present invention is using water as solvent, and organic solvent-free volatilizees in closing slurry and coating process, safety energy-conserving environment protection.Aqueous binder has good compatibility with lithium-ion electrolyte, and the swelling ratio for impregnating glued membrane for 24 hours in the electrolytic solution is not more than 0.8%, can keep the stability of electrode size.Aqueous binder use multicomponent organic acid ester copolymerization, realize glued membrane rigidity and it is flexible perfectly balanced, make using aqueous binder make lithium ion battery have good cycle performance.
Description
Technical field
The present invention relates to a kind of adhesives, and in particular to a kind of lithium battery power energy storage polymer positive and negative anodes are special viscous
Mixture
Background technology
The adhesive that traditional lithium battery positive and negative anodes use generally uses PVDF, and there are some defects：It cannot be with copper aluminium
Foil is bonded well, is made in pole piece and is easy to fall off, loses powder in battery charge and discharge process, adhesive property is poor；Intolerant to strongly grinding
Mill and stirring, are easy demulsification；Stable performance cannot be kept in lithium battery anode oxidation environment and cathodic reduction environment；And
It is also bad with lithium battery electrolytes compatibility, the stability of electrode size cannot be kept, to leverage the whole of lithium battery
Body performance.
Invention content
In view of the shortcomings of the prior art, purpose of the present invention is to be to provide a kind of lithium battery power energy storage polymer
Positive and negative anodes adhesive specially, bond properties is good, can keep lithium battery integrally good performance, and using effect is good, makes to use water
Property adhesive make lithium ion battery have good cycle performance.
To achieve the goals above, the present invention is to realize by the following technical solutions：Lithium battery power energy storage polymerize
Object positive and negative anodes adhesive specially, lithium battery power energy storage polymer positive and negative anodes adhesive specially, by the component of following weight proportion
Composition：120 parts of acrylic emulsion, 20-90 parts of emulsifier, 20 parts of lithium hydroxide, 1-10 parts of polyacrylamide, 30 parts of filler are dilute
Release 300 parts of agent, 0.5-9 parts of carboxymethyl cellulose, 0.1-6 parts of antioxidant, 1.5-20 parts of activating agent.
Preferably, group of the lithium battery power energy storage polymer positive and negative anodes adhesive specially by following weight proportion
It is grouped as：120 parts of acrylic emulsion, 55 parts of emulsifier, 20 parts of lithium hydroxide, 5 parts of polyacrylamide, 30 parts of filler, diluent
300 parts, 5 parts of carboxymethyl cellulose, 3 parts of antioxidant, 10 parts of activating agent.
Preferably, the preparation method of the lithium battery power energy storage polymer positive and negative anodes adhesive specially is：It weighs
The each component of above-mentioned weight proportion being poured into container, being stirred at least 15 minutes by stirring rod, carboxymethyl therein is fine
Dimension element, antioxidant, activating agent are added in the middle and later periods, after each component fully dissolves mixing.
Beneficial effects of the present invention：Bond properties is good, can keep lithium battery integrally good performance, and using effect is good,
Make that there is good cycle performance using the lithium ion battery that aqueous binder makes.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
Present embodiment uses following technical scheme：Lithium battery power energy storage polymer positive and negative anodes adhesive specially,
Lithium battery power energy storage polymer positive and negative anodes adhesive specially, is grouped as by the group of following weight proportion：Acrylic emulsion 120
Part, 20-90 parts of emulsifier, 20 parts of lithium hydroxide, 1-10 parts of polyacrylamide, 30 parts of filler, 300 parts of diluent, carboxymethyl fibre
Tie up 0.5-9 parts of element, 0.1-6 parts of antioxidant, 1.5-20 parts of activating agent.
It is worth noting that, the lithium battery power energy storage polymer positive and negative anodes adhesive specially is by following weight proportion
Group be grouped as：120 parts of acrylic emulsion, 55 parts of emulsifier, 20 parts of lithium hydroxide, 5 parts of polyacrylamide, 30 parts of filler are dilute
Release 300 parts of agent, 5 parts of carboxymethyl cellulose, 3 parts of antioxidant, 10 parts of activating agent.
In addition, the preparation method of the lithium battery power energy storage polymer positive and negative anodes adhesive specially is：Weighing will be upper
The each component for stating weight proportion, is poured into container, is stirred at least 15 minutes by stirring rod, carboxymethyl cellulose therein
Element, antioxidant, activating agent are added in the middle and later periods, after each component fully dissolves mixing.
Present embodiment and the adhesive property of copper aluminium foil are strong, make in pole piece and are not taken off in battery charge and discharge process
It falls, lose powder, adhesive property is better than PVDF；Adhesive is below freezing to freeze using water as solvent, and temperature recovery is to above freezing
When can restore mobility, will not be demulsified and property retention is constant；Resistance to strength grinding and stirring, are not demulsified；Heat decomposition temperature is 300
DEG C or more, there is very high thermal stability；It can keep stablizing in lithium ion cell positive oxidation environment and cathodic reduction environment
Performance, be suitble to cobalt system, manganese systems, LiFePO4 and plumbago-carbon negative pole material.
The aqueous binder of present embodiment is using water as solvent, and organic solvent-free is waved in closing slurry and coating process
Hair, safety energy-conserving environment protection.Aqueous binder has good compatibility with lithium-ion electrolyte, impregnates glued membrane for 24 hours in the electrolytic solution
Swelling ratio be not more than 0.8%, the stability of electrode size can be kept.
The aqueous binder of present embodiment uses multicomponent organic acid ester copolymerization, and it is rigid and soft to realize glued membrane
Property it is perfectly balanced, make using aqueous binder make lithium ion battery have good cycle performance.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (3)
1. lithium battery power energy storage polymer positive and negative anodes adhesive specially, which is characterized in that be grouped by the group of following weight proportion
At：120 parts of acrylic emulsion, 20-90 parts of emulsifier, 20 parts of lithium hydroxide, 1-10 parts of polyacrylamide, 30 parts of filler, dilution
300 parts of agent, 0.5-9 parts of carboxymethyl cellulose, 0.1-6 parts of antioxidant, 1.5-20 parts of activating agent.
2. lithium battery power energy storage polymer positive and negative anodes adhesive specially according to claim 1, which is characterized in that described
Lithium battery power energy storage polymer positive and negative anodes adhesive specially be grouped as by the group of following weight proportion：Acrylic emulsion 120
Part, 55 parts of emulsifier, 20 parts of lithium hydroxide, 5 parts of polyacrylamide, 30 parts of filler, 300 parts of diluent, carboxymethyl cellulose 5
Part, 3 parts of antioxidant, 10 parts of activating agent.
3. lithium battery power energy storage polymer positive and negative anodes adhesive specially according to claim 1, which is characterized in that described
The preparation method of lithium battery power energy storage polymer positive and negative anodes adhesive specially be：It weighs each group of above-mentioned weight proportion
Point, it pours into container, is stirred at least 15 minutes by stirring rod, carboxymethyl cellulose therein, antioxidant, activating agent
It is added in the middle and later periods, after each component fully dissolves mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410779240.6A CN104409737B (en) | 2014-12-17 | 2014-12-17 | Lithium battery power energy storage polymer positive and negative anodes adhesive specially |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410779240.6A CN104409737B (en) | 2014-12-17 | 2014-12-17 | Lithium battery power energy storage polymer positive and negative anodes adhesive specially |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104409737A CN104409737A (en) | 2015-03-11 |
| CN104409737B true CN104409737B (en) | 2018-08-07 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410779240.6A Expired - Fee Related CN104409737B (en) | 2014-12-17 | 2014-12-17 | Lithium battery power energy storage polymer positive and negative anodes adhesive specially |
Country Status (1)
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| CN (1) | CN104409737B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106398597A (en) * | 2016-08-31 | 2017-02-15 | 北京汽车股份有限公司 | Water-based adhesive and preparation method thereof, as well as battery |
| CN110797538B (en) * | 2019-11-07 | 2021-06-25 | 湖北亿纬动力有限公司 | Silicon-based negative electrode binder, preparation method thereof and application thereof in lithium ion battery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1435461A (en) * | 2002-02-01 | 2003-08-13 | 张庆华 | Elastic emulsion adhesive |
| CN101880512A (en) * | 2010-07-14 | 2010-11-10 | 浙江德尚化工科技有限公司 | Aqueous binding agent and preparation method thereof |
| CN102206286A (en) * | 2011-05-16 | 2011-10-05 | 北京理工大学 | Preparation method of lithium carboxymethyl cellulose for lithium battery |
| CN102732117A (en) * | 2012-06-08 | 2012-10-17 | 广州立邦涂料有限公司 | Multifunctional water-base high light emulsion paint suitable for various substrates |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101163725A (en) * | 2005-04-20 | 2008-04-16 | 株式会社日本触媒 | Reactive emulsion and process for producing the same |
-
2014
- 2014-12-17 CN CN201410779240.6A patent/CN104409737B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1435461A (en) * | 2002-02-01 | 2003-08-13 | 张庆华 | Elastic emulsion adhesive |
| CN101880512A (en) * | 2010-07-14 | 2010-11-10 | 浙江德尚化工科技有限公司 | Aqueous binding agent and preparation method thereof |
| CN102206286A (en) * | 2011-05-16 | 2011-10-05 | 北京理工大学 | Preparation method of lithium carboxymethyl cellulose for lithium battery |
| CN102732117A (en) * | 2012-06-08 | 2012-10-17 | 广州立邦涂料有限公司 | Multifunctional water-base high light emulsion paint suitable for various substrates |
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| Publication number | Publication date |
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| CN104409737A (en) | 2015-03-11 |
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