CN109796877A - A kind of lithium battery specific complex coating and preparation method thereof - Google Patents
A kind of lithium battery specific complex coating and preparation method thereof Download PDFInfo
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- CN109796877A CN109796877A CN201910071851.8A CN201910071851A CN109796877A CN 109796877 A CN109796877 A CN 109796877A CN 201910071851 A CN201910071851 A CN 201910071851A CN 109796877 A CN109796877 A CN 109796877A
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- lithium battery
- specific complex
- complex coating
- battery specific
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 87
- 238000000576 coating method Methods 0.000 title claims abstract description 77
- 239000011248 coating agent Substances 0.000 title claims abstract description 76
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000853 adhesive Substances 0.000 claims abstract description 27
- 230000001070 adhesive effect Effects 0.000 claims abstract description 27
- 239000002904 solvent Substances 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 23
- 239000003381 stabilizer Substances 0.000 claims abstract description 22
- 229920001503 Glucan Polymers 0.000 claims abstract description 17
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 17
- 125000005227 alkyl sulfonate group Chemical group 0.000 claims abstract description 17
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 17
- 239000011734 sodium Substances 0.000 claims abstract description 17
- 239000000440 bentonite Substances 0.000 claims abstract description 16
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 16
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 15
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 14
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 12
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 230000001680 brushing effect Effects 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- 239000004166 Lanolin Substances 0.000 claims description 6
- 235000019388 lanolin Nutrition 0.000 claims description 6
- 229940039717 lanolin Drugs 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 229940099259 vaseline Drugs 0.000 claims description 6
- 238000010422 painting Methods 0.000 claims description 5
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 4
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 4
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 4
- 241000219112 Cucumis Species 0.000 claims description 4
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 claims description 4
- 239000005642 Oleic acid Substances 0.000 claims description 4
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 4
- 229920001800 Shellac Polymers 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical group N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 claims description 4
- 238000007605 air drying Methods 0.000 claims description 4
- 239000000975 dye Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims description 4
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 4
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000004208 shellac Substances 0.000 claims description 4
- 235000013874 shellac Nutrition 0.000 claims description 4
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 claims description 4
- 229940113147 shellac Drugs 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 239000001828 Gelatine Substances 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- 238000007598 dipping method Methods 0.000 claims description 2
- 229920000159 gelatin Polymers 0.000 claims description 2
- 235000019322 gelatine Nutrition 0.000 claims description 2
- 235000021313 oleic acid Nutrition 0.000 claims description 2
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- 229920001225 polyester resin Polymers 0.000 claims description 2
- 239000004645 polyester resin Substances 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims 2
- 241000790917 Dioxys <bee> Species 0.000 claims 1
- 239000004952 Polyamide Substances 0.000 claims 1
- 229910003978 SiClx Inorganic materials 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 229920002647 polyamide Polymers 0.000 claims 1
- 239000000243 solution Substances 0.000 description 9
- 239000000843 powder Substances 0.000 description 6
- 150000002085 enols Chemical class 0.000 description 5
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 229920006122 polyamide resin Polymers 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 239000004218 Orcein Substances 0.000 description 2
- 239000001046 green dye Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000019248 orcein Nutrition 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- YZSKZXUDGLALTQ-UHFFFAOYSA-N [Li][C] Chemical compound [Li][C] YZSKZXUDGLALTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
Abstract
The invention discloses a kind of lithium battery specific complex coating and preparation method thereof, the lithium battery specific complex coating includes the raw material of following weight fraction: 20-30 parts of adhesive, 1-3 parts of stabilizer, 5-7 parts of anticorrosive, 1-3 parts of sodium secondary alkyl sulfonate, 1-2 parts of polyvinyl alcohol, 1-3 parts of bentonite, 1-3 parts of glucan, 10-15 parts of silicon dioxide gel, 5-10 parts of solvent, 3-5 parts of active carbon.A kind of security performance of lithium battery specific complex coating of the present invention is higher, thermal stability is good, high mechanical strength, adhesive force are good, and embodiment is simple, can be used by the modes such as spraying, brushing.
Description
Technical field
The present invention relates to lithium field of batteries more particularly to a kind of lithium battery specific complex coating and preparation method thereof.
Background technique
(including battery is in super-charge super-discharge, fast charging and discharging, short circuit, mechanical abuse item for the unsafe acts of lithium ion battery
Situations such as part and high temperature thermal shocking) be easy triggering inside battery risk side reaction and generate heat, directly destruction cathode with
The passivating film of positive electrode surface.
After battery core temperature rises to 130 DEG C, the SEI film of negative terminal surface is decomposed, and leads to the exposure of high activity lithium Carbon anode
Violent redox reaction occurs in electrolyte, the heat of generation makes battery enter high-risk status.When inside battery part
When temperature is increased to 200 DEG C or more, positive electrode surface passivating film decomposes anode and analysis oxygen occurs, and continues to occur with electrolyte acutely anti-
A large amount of heat should be generated and form high internal pressure.When battery temperature reaches 240 DEG C or more, also with the same binder of lithium charcoal cathode
Very exothermic reaction.
Lithium battery can encounter various emergency cases in use, for example meet water, meet ash, encounter erosion
Matter, it is dangerous the problems such as, it is therefore desirable to a kind of lithium battery special-purpose coat protects lithium battery itself.
Summary of the invention
The purpose of the present invention is to provide a kind of lithium battery specific complex coatings and preparation method thereof, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides a kind of lithium battery specific complex coating and preparation method thereof, the lithium
Battery specific complex coating includes the raw material of following parts by weight: 20-30 parts of adhesive, 1-3 parts of stabilizer, anticorrosive 5-7
Part, 1-3 parts of sodium secondary alkyl sulfonate, 1-2 parts of polyvinyl alcohol, 1-3 parts of bentonite, 1-3 parts of glucan, silicon dioxide gel 10-15
Part, 5-10 parts of solvent, 3-5 parts of active carbon.
Preferably, the adhesive be aqueous polyamide resin, aqueous polyacrylamide amide resin, aqueous epoxy resins,
One of aqueous UV resin, polyester resin, starch, shellac or more than one.
Preferably, the stabilizer be one of melon rubber, gelatine, oleic acid, waterglass or more than one.
Preferably, the anticorrosive is aqueous vaseline, aqueous lanolin, titanium dioxide, titanium carbide, three oxidations two
One of chromium or more than one.
Preferably, the solvent be one of water, deionized water or more than one.
Preferably, the active carbon is black powder, particle size 100-500nm.
Preferably, needed for the lithium battery specific complex coating can be obtained according to the corresponding dyestuff of user demand addition
The color wanted.
Preferably, a kind of lithium battery specific complex coating, can be each by spraying, brushing, dipping, rod painting etc.
Kind mode is implemented.
The present invention provides a kind of lithium battery specific complex coating and preparation method thereof, concrete operation step are as follows:
(1) adhesive 20-30 parts, 1-3 parts of stabilizer, 1-3 parts of bentonite, 5-7 parts of anticorrosive are added in a kettle,
3000-5000rpm is stirred 30-40 minutes；
(2) sodium secondary alkyl sulfonate 1-3 parts, 1-2 parts of polyvinyl alcohol, 1-3 parts of glucan, 3-5 parts of active carbon is added, continues to stir
It mixes 10-20 minutes；
(3) silicon dioxide gel 10-15 parts, 5-10 parts of solvent is added, 1000-3000rpm is stirred 30-40 minutes；
(4) the lithium battery specific complex coating solution can be obtained by stopping stirring.
Preferably, 10-20 points are dried after the lithium battery specific complex coating applies in 80-100 DEG C of environment
Clock, air drying 5-10h.
Compared with prior art, the present invention has the following advantages:
1, Ni, Al, Cu etc. in a kind of lithium battery specific complex coating of the invention and metal have good caking property.
2, a kind of lithium battery specific complex coating of the invention can effectively control thermal runaway, can greatly improve peace
Quan Xing.
3, the hardness that a kind of lithium battery specific complex coating of the invention can greatly improve battery diaphragm (can achieve
Pencil hardness 8H or more), strength (in the electrolytic solution impregnate 20h pulling force may also reach up 3.5N/mm), can be with resistance to 150 DEG C of height
Temperature.
4, a kind of lithium battery specific complex coating of the invention can be used by modes such as spraying, brushing, rod paintings, be used
It is convenient, it is high-efficient.
5, lithium can be improved with porous structure using active carbon in a kind of lithium battery specific complex coating of the invention
The conducting power and heat storage capacity of battery reduce the case where heat is mutated, and increase security performance, can be great using anticorrosive
The ability of the anti-electrolyte corrosion of lithium battery is improved, service life of lithium battery is increased.
6, a kind of lithium battery specific complex coating color of the invention can be designed according to demand, can satisfy various
The demand of crowd.
7, a kind of adhesive force of lithium battery specific complex coating of the invention is good, and coating layer thickness is than relatively thin, about 500-
1000nm can significantly improve conducting power, thermal stability, the interface stability performance of lithium battery, lithium battery is greatly improved
Performance.
8, a kind of lithium battery specific complex coating of the invention uses silica solution, due to the fine (10- of colloidal particle
20nm), there is sizable specific surface area, particle itself is colorless and transparent, does not influence the true qualities being covered by, and its dispersibility
It is all fine with permeability, and have many advantages, such as that cohesive force is strong, high temperature resistant.
9, a kind of lithium battery specific complex coating of the invention is easy to operate, has great application prospect.
Specific embodiment
Embodiment 1:
The present invention provides a kind of lithium battery specific complex coating and preparation method thereof, the lithium battery specific complex coating
Raw material including following weight fraction: 20 parts of adhesive, 1 part of stabilizer, 5 parts of anticorrosive, 1 part of sodium secondary alkyl sulfonate, poly- second
1 part of enol, 1 part of bentonite, 1 part of glucan, 10 parts of silicon dioxide gel, 5 parts of solvent, 3 parts of active carbon.
The adhesive is aqueous UV resin.
The stabilizer is oleic acid.
The anticorrosive is aqueous vaseline: aqueous lanolin=1:1.
The solvent is water.
The active carbon is black powder, particle size 100nm-200nm.
1 part of orchil can be added according to user demand in the lithium battery specific complex coating.
A kind of lithium battery specific complex coating is implemented by spraying method.
The present invention provides a kind of lithium battery specific complex coating and preparation method thereof, concrete operation step are as follows:
(1) in a kettle be added 20 parts of adhesive, 1 part of stabilizer, 1 part of bentonite, 5 parts of anticorrosive, 3000rpm,
Stirring 30 minutes；
(2) 1 part of sodium secondary alkyl sulfonate, 1 part of polyvinyl alcohol, 1 part of glucan, 3 parts of active carbon is added, continues 10 points of stirring
Clock；
(3) 10 parts of silicon dioxide gel, 5 parts of solvent is added, 1000rpm is stirred 30 minutes；
(4) the lithium battery specific complex coating solution can be obtained by stopping stirring.
The lithium battery specific complex coating is dried 10 minutes in 80 DEG C of environment after applying.
Embodiment 2:
The present invention provides a kind of lithium battery specific complex coating and preparation method thereof, the lithium battery specific complex coating
Raw material including following weight fraction: 25 parts of adhesive, 2 parts of stabilizer, 6 parts of anticorrosive, 2 parts of sodium secondary alkyl sulfonate, poly- second
1 part of enol, 2 parts of bentonite, 2 parts of glucan, 13 parts of silicon dioxide gel, 8 parts of solvent, 4 parts of active carbon.
The adhesive is starch: shellac: aqueous epoxy resins=1:1:3.
The stabilizer is melon rubber.
The anticorrosive is aqueous vaseline.
The solvent is deionized water.
The active carbon is black powder, particle size 300-400nm.
Dyestuff is added without in secondary embodiment.
A kind of lithium battery specific complex coating, is implemented by brushing mode.
The present invention provides a kind of lithium battery specific complex coating and preparation method thereof, concrete operation step are as follows:
(1) in a kettle be added 25 parts of adhesive, 2 parts of stabilizer, 2 parts of bentonite, 6 parts of anticorrosive, 4000rpm,
Stirring 35 minutes；
(2) 2 parts of sodium secondary alkyl sulfonate, 1 part of polyvinyl alcohol, 2 parts of glucan, 4 parts of active carbon is added, continues 15 points of stirring
Clock；
(3) 13 parts of silicon dioxide gel, 8 parts of solvent is added, 2000rpm is stirred 35 minutes；
(4) the lithium battery specific complex coating solution can be obtained by stopping stirring.
The lithium battery specific complex coating is dried 10 minutes in 100 DEG C of environment after applying.
Embodiment 3:
The present invention provides a kind of lithium battery specific complex coating and preparation method thereof, the lithium battery specific complex coating
Raw material including following weight fraction: 30 parts of adhesive, 3 parts of stabilizer, 7 parts of anticorrosive, 3 parts of sodium secondary alkyl sulfonate, poly- second
2 parts of enol, 3 parts of bentonite, 3 parts of glucan, 15 parts of silicon dioxide gel, 10 parts of solvent, 5 parts of active carbon.
The adhesive is aqueous polyamide resin.
The stabilizer is waterglass.
The anticorrosive is aqueous lanolin.
The solvent is water.
The active carbon is black powder, particle size 300-500nm.
1 part of green dye can be added according to user demand in the lithium battery specific complex coating.
A kind of lithium battery specific complex coating, is implemented by way of rod painting.
The present invention provides a kind of lithium battery specific complex coating and preparation method thereof, concrete operation step are as follows:
(1) in a kettle be added 30 parts of adhesive, 3 parts of stabilizer, 3 parts of bentonite, 7 parts of anticorrosive, 5000rpm,
Stirring 40 minutes；
(2) 3 parts of sodium secondary alkyl sulfonate, 2 parts of polyvinyl alcohol, 3 parts of glucan, 5 parts of active carbon is added, continues 20 points of stirring
Clock；
(3) 15 parts of silicon dioxide gel, 10 parts of solvent is added, 3000rpm is stirred 40 minutes；
(4) the lithium battery specific complex coating solution can be obtained by stopping stirring.
In air drying 5h after the lithium battery specific complex coating application.
Reference examples 1:
The present invention provides a kind of lithium battery specific complex coating and preparation method thereof, the lithium battery specific complex coating
Raw material including following weight fraction: 20 parts of adhesive, 1 part of stabilizer, 5 parts of anticorrosive, 1 part of sodium secondary alkyl sulfonate, poly- second
1 part of enol, 1 part of bentonite, 1 part of glucan, 5 parts of solvent, 3 parts of active carbon.
The adhesive is aqueous UV resin.
The stabilizer is oleic acid.
The anticorrosive is aqueous vaseline: aqueous lanolin=1:1.
The solvent is water.
The active carbon is black powder, particle size 100nm-200nm.
1 part of orchil can be added according to user demand in the lithium battery specific complex coating.
A kind of lithium battery specific complex coating is implemented by spraying method.
The present invention provides a kind of lithium battery specific complex coating and preparation method thereof, concrete operation step are as follows:
(1) in a kettle be added 20 parts of adhesive, 1 part of stabilizer, 1 part of bentonite, 5 parts of anticorrosive, 3000rpm,
Stirring 30 minutes；
(2) 1 part of sodium secondary alkyl sulfonate, 1 part of polyvinyl alcohol, 1 part of glucan, 3 parts of active carbon is added, continues 10 points of stirring
Clock；
(3) 5 parts of solvent, 1000rpm are added, is stirred 30 minutes；
(4) the lithium battery specific complex coating solution can be obtained by stopping stirring.
The lithium battery specific complex coating is dried 10 minutes in 80 DEG C of environment after applying.
Reference examples 2:
The present invention provides a kind of lithium battery specific complex coating and preparation method thereof, the lithium battery specific complex coating
Raw material including following weight fraction: 25 parts of adhesive, 2 parts of stabilizer, 6 parts of anticorrosive, 2 parts of sodium secondary alkyl sulfonate, poly- second
1 part of enol, 2 parts of bentonite, 2 parts of glucan, 13 parts of silicon dioxide gel, 8 parts of solvent.
The adhesive is starch: shellac: aqueous epoxy resins=1:1:3.
The stabilizer is melon rubber.
The anticorrosive is aqueous vaseline.
The solvent is deionized water.
Dyestuff is added without in secondary embodiment.
A kind of lithium battery specific complex coating, is implemented by brushing mode.
The present invention provides a kind of lithium battery specific complex coating and preparation method thereof, concrete operation step are as follows:
(1) in a kettle be added 25 parts of adhesive, 2 parts of stabilizer, 2 parts of bentonite, 6 parts of anticorrosive, 4000rpm,
Stirring 35 minutes；
(2) 2 parts of sodium secondary alkyl sulfonate, 1 part of polyvinyl alcohol, 2 parts of glucan is added, continues stirring 15 minutes；
(3) 13 parts of silicon dioxide gel, 8 parts of solvent is added, 2000rpm is stirred 35 minutes；
(4) the lithium battery specific complex coating solution can be obtained by stopping stirring.
The lithium battery specific complex coating is dried 10 minutes in 100 DEG C of environment after applying.
Reference examples 3:
The present invention provides a kind of lithium battery specific complex coating and preparation method thereof, the lithium battery specific complex coating
Raw material including following weight fraction: 30 parts of adhesive, 7 parts of anticorrosive, 3 parts of sodium secondary alkyl sulfonate, 2 parts of polyvinyl alcohol, swollen
Moisten native 3 parts, 3 parts of glucan, 15 parts of silicon dioxide gel, 10 parts of solvent, 5 parts of active carbon.
The adhesive is aqueous polyamide resin.
The anticorrosive is aqueous lanolin.
The solvent is water.
The active carbon is black powder, particle size 300-500nm.
1 part of green dye can be added according to user demand in the lithium battery specific complex coating.
A kind of lithium battery specific complex coating, is implemented by way of rod painting.
The present invention provides a kind of lithium battery specific complex coating and preparation method thereof, concrete operation step are as follows:
(1) 30 parts of adhesive, 3 parts of bentonite, 7 parts of anticorrosive are added in a kettle, 5000rpm is stirred 40 minutes；
(2) 3 parts of sodium secondary alkyl sulfonate, 2 parts of polyvinyl alcohol, 3 parts of glucan, 5 parts of active carbon is added, continues 20 points of stirring
Clock；
(3) 15 parts of silicon dioxide gel, 10 parts of solvent is added, 3000rpm is stirred 40 minutes；
(4) the lithium battery specific complex coating solution can be obtained by stopping stirring.
In air drying 5h after the lithium battery specific complex coating application.
The above-mentioned various embodiments enumerated can be combined with each other implementation, those skilled in the art under the premise of reconcilable
In combination with above to the explanation of embodiment, as the foundation being combined to the technical characteristic in different embodiments.
Test case
By the solution of embodiment 1,2,3 and reference examples 1,2,3, test performance, test result is as follows:
Note: the classification level of cross-cut tester
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. lithium battery specific complex coating described in includes the raw material of following parts by weight: 20-30 parts of adhesive, stabilizer 1-3
Part, 5-7 parts of anticorrosive, 1-3 parts of sodium secondary alkyl sulfonate, 1-2 parts of polyvinyl alcohol, 1-3 parts of bentonite, 1-3 parts of glucan, dioxy
10-15 parts of SiClx colloidal sol, 5-10 parts of solvent, 3-5 parts of active carbon.
2. a kind of lithium battery specific complex coating according to claim 1, it is characterised in that the adhesive is aqueous
Polyamide, aqueous polyacrylamide amide resin, aqueous epoxy resins, aqueous UV resin, polyester resin, starch, in shellac
It is one or more than one kinds of.
3. a kind of lithium battery specific complex coating according to claim 1, it is characterised in that the stabilizer is melon
One of glue, gelatine, oleic acid, waterglass or more than one.
4. a kind of lithium battery specific complex coating according to claim 1, it is characterised in that the anticorrosive is water
One of property vaseline, aqueous lanolin, titanium dioxide, titanium carbide, chrome green or more than one.
5. a kind of lithium battery specific complex coating according to claim 1, it is characterised in that the solvent be water, go from
One of sub- water or more than one.
6. a kind of lithium battery specific complex coating according to claim 1, it is characterised in that the active carbon is black
Powdered, particle size 100-500nm.
7. a kind of lithium battery specific complex coating described in -6 according to claim 1, it is characterised in that the lithium battery is dedicated
Composite coating can be added corresponding dyestuff according to user demand and obtain required color.
8. a kind of lithium battery specific complex coating described in -7 according to claim 1, can pass through spraying, brushing, dipping, rod
The various modes such as painting are implemented.
9. a kind of preparation method of lithium battery specific complex coating, is used to prepare a kind of lithium battery according to claim 1
Specific complex coating, it is characterised in that:
(1) adhesive 20-30 parts, 1-3 parts of stabilizer, 1-3 parts of bentonite, 5-7 parts of anticorrosive are added in a kettle,
3000-5000rpm is stirred 30-40 minutes；
(2) sodium secondary alkyl sulfonate 1-3 parts, 1-2 parts of polyvinyl alcohol, 1-3 parts of glucan, 3-5 parts of active carbon is added, continues to stir
10-20 minutes；
(3) silicon dioxide gel 10-15 parts, 5-10 parts of solvent is added, 1000-3000rpm is stirred 30-40 minutes；
(4) the lithium battery specific complex coating solution can be obtained by stopping stirring.
10. a kind of preparation method of lithium battery specific complex coating according to claim 9, which is characterized in that described
Lithium battery specific complex coating is dried 10-20 minutes in 80-100 DEG C of environment after applying, air drying 5-10h.
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