CN108832130A - A kind of electrode of lithium cell adhesive and preparation method thereof - Google Patents
A kind of electrode of lithium cell adhesive and preparation method thereof Download PDFInfo
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- CN108832130A CN108832130A CN201810662854.4A CN201810662854A CN108832130A CN 108832130 A CN108832130 A CN 108832130A CN 201810662854 A CN201810662854 A CN 201810662854A CN 108832130 A CN108832130 A CN 108832130A
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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
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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
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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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- General Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a kind of electrode of lithium cell adhesive and preparation method thereof.Raw material including following parts by weight：600-800 parts of acrylate, 40-80 parts of acrylic monomers, 200-300 parts of acryl polyol, 1-5 parts of cyclohexanone 1,2-PD ketal, 0.5-3 parts of carbon nanotube, 0.01-0.1 parts of azobisisoheptonitrile.Electrode of lithium cell adhesive prepared by the present invention, there is good safeguard function to electrode of lithium cell, it can be dust-proof, waterproof does not crack under cryogenic, and adhesive property is excellent, the addition of acryl polyol and carbon nanotube, help to promote the stability that lithium battery discharges, improves resistance to electrolysis performance, increase the service life of lithium battery.
Description
Technical field
The invention belongs to technical field of lithium batteries for electric vehicle, and in particular to a kind of electrode of lithium cell adhesive and its system
Preparation Method.
Background technique
With the reinforcement of people's environmental consciousness and the encouragement of country, electric car increasingly receives the attention of people, electronic
Automobile power main source is battery, generally lithium battery or ferric phosphate lithium cell, and ferric phosphate lithium cell energy density is lower, compared with
For heaviness, gradually eliminated by market.
Lithium battery energy density is higher, and still, there is also many defects, lithium battery electric discharge is steady not as good as ferric phosphate lithium cell
Fixed, service life is short, and lithium battery is largely adhesively fixed using adhesive in process, and steam enters in wet environment
Inside battery causes battery material greatly to damage.Resistance to electrolysis performance is low.
Patent 201110386395.X discloses a kind of battery adhesive, it by following components in weight percent material
It is made：Acrylate 84%-95%, acrylic monomers 4%-15%, water absorbing agent 0.1%-5%, chain initiator 1 ‰ -5 ‰；Institute
The water absorbing agent stated is acetal or ketal；It includes following preparation step：Acrylate 84%-95% is added first in container,
Acrylic monomers 4%-15% and chain initiator 1 ‰ -5 ‰, and mix；Be subsequently heated to 75-85 DEG C, and in container constantly into
1, the 6- glycol diacrylate of dropwise addition 40-180g after 4.5-5.5h is reacted in row stirring, continues to stir 1.5-2.5h；Then
Stop heating, continues stirring and be cooled to room temperature；It is eventually adding water absorbing agent 0.1-5%, is stirred evenly, adhesive sticker is made.It should
Although adhesive has good waterproof effect, still, discharge instability, resistance to electrolysis performance is low, and service life is short.
Summary of the invention
The purpose of the present invention is to provide a kind of electrode of lithium cell adhesive.
The object of the invention is also to provide the preparation methods of above-mentioned electrode of lithium cell adhesive.
A kind of electrode of lithium cell adhesive, the raw material including following parts by weight：600-800 parts of acrylate, acrylic acid
40-80 parts of monomer, 200-300 parts of acryl polyol, 1-5 parts of cyclohexanone 1,2-PD ketal, carbon nanotube 0.5-3
Part, 0.01-0.1 parts of azobisisoheptonitrile.
The acrylate is methyl acrylate, butyl acrylate or isobutyl acrylate.
The caliber of the carbon nanotube is 5-12nm, and average caliber is 8nm, draw ratio 800-2000.
The adhesive raw materials further include 1-3 parts of -3- alcohol of 1- decene.
The adhesive raw materials further include 1-3 parts of chloroformate cyclopentyl ester.
The preparation method of above-mentioned electrode of lithium cell adhesive, carries out in accordance with the following steps：
(1) 600-800 parts of acrylate are taken according to weight fraction, 40-80 parts of acrylic monomers, acryl polyol
200-300 parts, 0.01-0.1 parts of azobisisoheptonitrile, mixing in container is added, stirs 10-20min；
(2) it is heated to 70-85 DEG C, and is constantly stirred in container, 4-6h is reacted；
(3) stop heating, continue stirring and be cooled to room temperature, be added 1-5 parts of cyclohexanone 1,2-PD ketal, carbon nanotube
0.5-3 parts, 10-20min is stirred, is made.
The step (1) is additionally added 1-3 parts of -3- alcohol of 1- decene.
The step (3) is additionally added 1-3 parts of chloroformate cyclopentyl ester.
Beneficial effects of the present invention：Electrode of lithium cell adhesive prepared by the present invention has electrode of lithium cell good
Safeguard function, can be dust-proof, and waterproof does not crack under cryogenic, and adhesive property is excellent, acryl polyol and carbon nanotube
Addition, facilitate promoted lithium battery electric discharge stability, improve resistance to electrolysis performance, increase the service life of lithium battery.
Specific embodiment
The present invention will be further described combined with specific embodiments below.
Embodiment 1
A kind of electrode of lithium cell adhesive, the raw material including following parts by weight：Methyl acrylate 700g, acrylic monomers
60g, acryl polyol 250g, cyclohexanone 1,2-PD ketal 3g, carbon nanotube 1g, azobisisoheptonitrile 0.05g.Institute
The caliber for stating carbon nanotube is 5-12nm, and average caliber is 8nm, draw ratio 1200-1400.
The preparation method of above-mentioned electrode of lithium cell adhesive, carries out in accordance with the following steps：
(1) according to weight fraction, methyl acrylate 700g, acrylic monomers 60g, acryl polyol 250g are taken, it is even
The different heptonitrile 0.05g of nitrogen two is added mixing in container, stirs 15min；
(2) 80 DEG C are heated to, and is constantly stirred in container, 5h is reacted；
(3) stop heating, continue stirring and be cooled to room temperature, cyclohexanone 1,2-PD ketal 3g, carbon nanotube 1g is added,
15min is stirred, is made.
Embodiment 2
A kind of electrode of lithium cell adhesive, the raw material including following parts by weight：Butyl acrylate 600g, acrylic monomers
40g, acryl polyol 200g, cyclohexanone 1,2-PD ketal 1g, carbon nanotube 0.5g, azobisisoheptonitrile 0.01g.
The caliber of the carbon nanotube is 5-12nm, and average caliber is 8nm, draw ratio 800-1000.
The preparation method of above-mentioned electrode of lithium cell adhesive, carries out in accordance with the following steps：
(1) according to weight fraction, butyl acrylate 600g, acrylic monomers 40g, acryl polyol 200g are taken, it is even
The different heptonitrile 0.01g of nitrogen two is added mixing in container, stirs 10min；
(2) 70 DEG C are heated to, and is constantly stirred in container, 4h is reacted；
(3) stop heating, continue stirring and be cooled to room temperature, cyclohexanone 1,2-PD ketal 1g, carbon nanotube is added
0.5g stirs 10min, is made.
Embodiment 3
A kind of electrode of lithium cell adhesive, the raw material including following parts by weight：Isobutyl acrylate 800g, acrylic acid list
Body 80g, acryl polyol 300g, cyclohexanone 1,2-PD ketal 5g, carbon nanotube 3g, azobisisoheptonitrile 0.1g.
The caliber of the carbon nanotube is 5-12nm, and average caliber is 8nm, draw ratio 1500-2000.
The preparation method of above-mentioned electrode of lithium cell adhesive, carries out in accordance with the following steps：
(1) according to weight fraction, isobutyl acrylate 800g, acrylic monomers 80g, acryl polyol 300g are taken,
Azobisisoheptonitrile 0.1g is added mixing in container, stirs 20min；
(2) 85 DEG C are heated to, and is constantly stirred in container, 6h is reacted；
(3) stop heating, continue stirring and be cooled to room temperature, cyclohexanone 1,2-PD ketal 5g, carbon nanotube 3g is added,
20min is stirred, is made.
Embodiment 4
A kind of electrode of lithium cell adhesive, the raw material including following parts by weight：Methyl acrylate 700g, acrylic monomers
60g, acryl polyol 250g, cyclohexanone 1,2-PD ketal 3g, carbon nanotube 1g, azobisisoheptonitrile 0.05g, 1-
Decene -3- alcohol 2g.The caliber of the carbon nanotube is 5-12nm, and average caliber is 8nm, draw ratio 1200-1400.
The preparation method of above-mentioned electrode of lithium cell adhesive, carries out in accordance with the following steps：
(1) according to weight fraction, methyl acrylate 700g, acrylic monomers 60g, acryl polyol 250g are taken, it is even
Nitrogen two different heptonitrile 0.05g, 1- decene -3- alcohol 2g is added mixing in container, stirs 15min；
(2) 80 DEG C are heated to, and is constantly stirred in container, 5h is reacted；
(3) stop heating, continue stirring and be cooled to room temperature, cyclohexanone 1,2-PD ketal 3g, carbon nanotube 1g is added,
15min is stirred, is made.
Embodiment 5
A kind of electrode of lithium cell adhesive, the raw material including following parts by weight：Methyl acrylate 700g, acrylic monomers
60g, acryl polyol 250g, cyclohexanone 1,2-PD ketal 3g, carbon nanotube 1g, azobisisoheptonitrile 0.05g, chlorine
Formic acid ring pentyl ester 2g.The caliber of the carbon nanotube is 5-12nm, and average caliber is 8nm, draw ratio 1200-1400.
The preparation method of above-mentioned electrode of lithium cell adhesive, carries out in accordance with the following steps：
(1) according to weight fraction, methyl acrylate 700g, acrylic monomers 60g, acryl polyol 250g are taken, it is even
The different heptonitrile 0.05g of nitrogen two is added mixing in container, stirs 15min；
(2) 80 DEG C are heated to, and is constantly stirred in container, 5h is reacted；
(3) stop heating, continue stirring and be cooled to room temperature, cyclohexanone 1,2-PD ketal 3g, carbon nanotube 1g is added,
Chloroformate cyclopentyl ester 2g stirs 15min, is made.
Embodiment 6
A kind of electrode of lithium cell adhesive, the raw material including following parts by weight：Methyl acrylate 700g, acrylic monomers
60g, acryl polyol 250g, cyclohexanone 1,2-PD ketal 3g, carbon nanotube 1g, azobisisoheptonitrile 0.05g are high
Alkaline branch-C6-19- fatty acid calcium salt (CAS:68551-41-7)0.5g.The caliber of the carbon nanotube is 5-12nm, average
Caliber is 8nm, draw ratio 1200-1400.
The preparation method of above-mentioned electrode of lithium cell adhesive, carries out in accordance with the following steps：
(1) according to weight fraction, methyl acrylate 700g, acrylic monomers 60g, acryl polyol 250g are taken, it is even
The different heptonitrile 0.05g of nitrogen two is added mixing in container, stirs 15min；
(2) 80 DEG C are heated to, and is constantly stirred in container, 5h is reacted；
(3) stop heating, continue stirring and be cooled to room temperature, cyclohexanone 1,2-PD ketal 3g, carbon nanotube 1g is added,
High alkalinity branch-C6-19- fatty acid calcium salt 0.5g stirs 15min, is made.
Embodiment 7
A kind of electrode of lithium cell adhesive, the raw material including following parts by weight：Methyl acrylate 700g, acrylic monomers
60g, acryl polyol 250g, cyclohexanone 1,2-PD ketal 3g, carbon nanotube 1g, erbium oxide 0.5g, azo two are different
Heptonitrile 0.05g.The caliber of the carbon nanotube is 5-12nm, and average caliber is 8nm, draw ratio 1200-1400.
The preparation method of above-mentioned electrode of lithium cell adhesive, carries out in accordance with the following steps：
(1) according to weight fraction, methyl acrylate 700g, acrylic monomers 60g, acryl polyol 250g are taken, it is even
The different heptonitrile 0.05g of nitrogen two is added mixing in container, stirs 15min；
(2) 80 DEG C are heated to, and is constantly stirred in container, 5h is reacted；
(3) stop heating, continue stirring and be cooled to room temperature, cyclohexanone 1,2-PD ketal 3g, carbon nanotube 1g is added,
Erbium oxide 0.5g stirs 15min, is made.
Experimental example 1：
Using embodiment 1-7 preparation adhesive bonding with the identical aluminium flake of lithium battery anode collector material,
Aluminum flake surface uniform gluing 10 times, every septum secundum 4 minutes, then dry sample 4 hours under 50 degrees celsius, finally 150
It is 15 minutes dry under the conditions of DEG C, the adhesive strength of adhesive after test is dry；Sample after drying is soaked in PC electrolyte respectively
With 7 days in DME electrolyte, test adhesive strength and calculate the decreasing value of adhesive strength.Test result is shown in Table 1-3：
Table 1
Note：* the P compared with example 1 group is represented<0.05.
As can be seen from Table 1, the adhesive strength of embodiment 1-3 is not significantly different, and the adhesive strength of embodiment 4-7 is significant
Higher than embodiment 1.
Table 2
Note：* the P compared with example 1 group is represented<0.05；* represents P<0.01.
As can be seen from Table 2, after PC impregnates 7 days, the adhesive strength of embodiment 1-3 is not significantly different,
The adhesive strength of embodiment 4-7 is extremely significant to be higher than embodiment 1；The adhesive strength decreasing value of embodiment 1-3 is not shown
Difference is write, the adhesive strength decreasing value of embodiment 4-7 is substantially less than embodiment 1.
Table 3
Note：* the P compared with example 1 group is represented<0.05；* represents P<0.01.
As can be seen from Table 3, after DME impregnates 7 days, the adhesive strength of embodiment 1-3 is not significantly different,
The adhesive strength of embodiment 4-7 is extremely significant to be higher than embodiment 1；The adhesive strength decreasing value of embodiment 1-3 is not shown
Difference is write, the adhesive strength decreasing value of embodiment 4-7 is substantially less than embodiment 1.
Experimental example 2：
Common lithium cell cathode material is bonded using the adhesive of embodiment 1-7, experiment lithium battery is prepared into, to each
Battery carries out the test of repeated charge characteristic, carries out charge-discharge test with 0.2 coulomb of electricity, experiment is repeated 5 times every time.
The first and 50 later efficiency for charge-discharges asked.
Efficiency for charge-discharge=(discharge capacity/charging capacity) * 100 (%)；
The test result of charge-discharge characteristic is as shown in table 4：
Table 4
Note：* the P compared with example 1 group is represented<0.05.
As can be seen from Table 4, the first efficiency for charge-discharge of embodiment 1-3 and 50 later efficiency for charge-discharge values do not have quite
There were significant differences, and the first efficiency for charge-discharge of embodiment 4-7 and 50 later efficiency for charge-discharge values are all remarkably higher than embodiment
1。
Claims (8)
1. a kind of electrode of lithium cell adhesive, which is characterized in that the raw material including following parts by weight：Acrylate 600-800
Part, 40-80 parts of acrylic monomers, 200-300 parts of acryl polyol, 1-5 parts of cyclohexanone 1,2-PD ketal, carbon nanometer
0.5-3 parts of pipe, 0.01-0.1 parts of azobisisoheptonitrile.
2. electrode of lithium cell adhesive according to claim 1, which is characterized in that the acrylate be methyl acrylate,
Butyl acrylate or isobutyl acrylate.
3. electrode of lithium cell adhesive according to claim 1, which is characterized in that the caliber of the carbon nanotube is 5-
12nm, average caliber are 8nm, draw ratio 800-2000.
4. electrode of lithium cell adhesive according to claim 1, which is characterized in that the adhesive raw materials further include the 1- last of the ten Heavenly stems
1-3 parts of alkene -3- alcohol.
5. electrode of lithium cell adhesive according to claim 1, which is characterized in that the adhesive raw materials further include chloro-carbonic acid
1-3 parts of ring pentyl ester.
6. the preparation method of electrode of lithium cell adhesive described in claim 1, which is characterized in that carry out in accordance with the following steps：
(1) 600-800 parts of acrylate are taken according to weight fraction, 40-80 parts of acrylic monomers, acryl polyol 200-
300 parts, 0.01-0.1 parts of azobisisoheptonitrile, mixing in container is added, stirs 10-20min；
(2) it is heated to 70-85 DEG C, and is constantly stirred in container, 4-6h is reacted；
(3) stop heating, continue stirring and be cooled to room temperature, be added 1-5 parts of cyclohexanone 1,2-PD ketal, carbon nanotube 0.5-
3 parts, 10-20min is stirred, is made.
7. the preparation method of electrode of lithium cell adhesive according to claim 1, which is characterized in that the step (1) also adds
Enter 1-3 parts of -3- alcohol of 1- decene.
8. the preparation method of electrode of lithium cell adhesive according to claim 1, which is characterized in that the step (3) also adds
Enter 1-3 parts of chloroformate cyclopentyl ester.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009057A (en) * | 2020-08-28 | 2020-12-01 | 广东安德力新材料有限公司 | Composite aluminum-plastic film for power battery |
| CN112063355A (en) * | 2020-08-28 | 2020-12-11 | 广东安德力新材料有限公司 | Adhesive for power battery aluminum plastic film and processing technology thereof |
| CN114583171A (en) * | 2022-01-20 | 2022-06-03 | 贵阳学院 | Lithium battery electrode adhesive and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102325853A (en) * | 2008-12-12 | 2012-01-18 | 汉高公司 | Reactive hot melt adhesive |
| CN102516905A (en) * | 2011-11-29 | 2012-06-27 | 宁波蓝鼎电子科技有限公司 | Adhesive for batteries and preparation method for adhesive |
| CN104479619A (en) * | 2014-12-11 | 2015-04-01 | 乐凯胶片股份有限公司 | Adhesive composition and solar cell rear panel |
| CN105462523A (en) * | 2016-01-05 | 2016-04-06 | 吉林大学 | Method for preparing high-adhesion water-borne adhesive based on polymer compound |
| CN107474748A (en) * | 2017-07-24 | 2017-12-15 | 成都纳硕科技有限公司 | A kind of new optic-solidified adhesive |
-
2018
- 2018-06-25 CN CN201810662854.4A patent/CN108832130B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102325853A (en) * | 2008-12-12 | 2012-01-18 | 汉高公司 | Reactive hot melt adhesive |
| CN102516905A (en) * | 2011-11-29 | 2012-06-27 | 宁波蓝鼎电子科技有限公司 | Adhesive for batteries and preparation method for adhesive |
| CN104479619A (en) * | 2014-12-11 | 2015-04-01 | 乐凯胶片股份有限公司 | Adhesive composition and solar cell rear panel |
| CN105462523A (en) * | 2016-01-05 | 2016-04-06 | 吉林大学 | Method for preparing high-adhesion water-borne adhesive based on polymer compound |
| CN107474748A (en) * | 2017-07-24 | 2017-12-15 | 成都纳硕科技有限公司 | A kind of new optic-solidified adhesive |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009057A (en) * | 2020-08-28 | 2020-12-01 | 广东安德力新材料有限公司 | Composite aluminum-plastic film for power battery |
| CN112063355A (en) * | 2020-08-28 | 2020-12-11 | 广东安德力新材料有限公司 | Adhesive for power battery aluminum plastic film and processing technology thereof |
| CN114583171A (en) * | 2022-01-20 | 2022-06-03 | 贵阳学院 | Lithium battery electrode adhesive and preparation method thereof |
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