CN109401315A - A kind of lithium ion battery is with can laser welding poly arylidene thio-ester material and preparation method - Google Patents
A kind of lithium ion battery is with can laser welding poly arylidene thio-ester material and preparation method Download PDFInfo
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- CN109401315A CN109401315A CN201810497889.7A CN201810497889A CN109401315A CN 109401315 A CN109401315 A CN 109401315A CN 201810497889 A CN201810497889 A CN 201810497889A CN 109401315 A CN109401315 A CN 109401315A
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- Prior art keywords
- laser welding
- composite material
- lithium battery
- polyaryl thioether
- thioether composite
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- 238000003466 welding Methods 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- -1 poly arylidene thio-ester Chemical class 0.000 title claims description 32
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title description 6
- 229910001416 lithium ion Inorganic materials 0.000 title description 6
- 239000000463 material Substances 0.000 title description 6
- 239000002131 composite material Substances 0.000 claims abstract description 35
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 32
- 150000003568 thioethers Chemical class 0.000 claims abstract description 29
- 229920000412 polyarylene Polymers 0.000 claims abstract description 14
- 238000002834 transmittance Methods 0.000 claims abstract description 11
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002667 nucleating agent Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 9
- 229920000098 polyolefin Polymers 0.000 claims abstract description 6
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 3
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 3
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 7
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 6
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 3
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 2
- 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 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- FZRKAZHKEDOPNN-UHFFFAOYSA-N Nitric oxide anion Chemical compound O=[N-] FZRKAZHKEDOPNN-UHFFFAOYSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 claims description 2
- 229940063655 aluminum stearate Drugs 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000292 calcium oxide Substances 0.000 claims description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 2
- 235000013539 calcium stearate Nutrition 0.000 claims description 2
- 239000008116 calcium stearate Substances 0.000 claims description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- 235000019359 magnesium stearate Nutrition 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
- 238000005453 pelletization Methods 0.000 claims description 2
- 229920001083 polybutene Polymers 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N dimethylbutene Natural products CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 abstract description 12
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 9
- 239000004033 plastic Substances 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 230000008033 biological extinction Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000012899 standard injection Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 150000004646 arylidenes Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000005676 cyclic carbonates Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002001 electrolyte material Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000011356 non-aqueous organic solvent Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000649 photocoagulation Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000306 polymethylpentene Polymers 0.000 description 1
- 239000011116 polymethylpentene Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000007970 thio esters Chemical class 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/02—Polythioethers; Polythioether-ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/24—Crystallisation aids
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The present invention provide it is a kind of for lithium battery can laser welding polyaryl thioether composite material, it is made of following weight percent composition: the polyarylene sulfide resin of 65%-98%, the polyolefin of 3%-35%, the antioxidant of 0.05%-0.5%, the release agent of 0.1%-2% and the nucleating agent of 0.1%-3%；The present invention also provides it is this for lithium battery can laser welding polyaryl thioether composite material preparation method.Provided by the present invention for lithium battery can laser welding polyaryl thioether composite material laser transmittance with higher, excellent resistance to lithium electrolyte performance can be processed into thin-wall workpiece, can reach higher weld strength after laser welding.The invention is simple and feasible, is suitble to large-scale production and application.
Description
Technical field
The present invention relates to a kind of polymer composites more particularly to it is a kind of for dynamic lithium battery can laser welding it is poly-
Aromatic sulfide composite material and preparation method.
Background technique
Lithium ionic cell module is used to provide the battery cell (battery cell) of electric energy by one or more.Battery
By core functional components such as loading electrolyte, positive and negative anodes and diaphragms in the shell of an aluminum, pass through positive terminal and cathode
The outside output power of binding post.Aluminium shell liner one layer of polymeric film.But the battery case of this metal, exist and adds
The defects of work is difficult, shape is limited causes the design of lithium ion power and energy-storage battery limited；Moreover, metal battery case is led
Electricity, safety cannot be completely secured.In recent years, battery case is manufactured using polymer material substitution aluminium in gradually research in the industry.
The necessary electrolyte resistance of material used in the battery case of lithium ion battery impregnates, and in lithium from battery, electrolyte contains
There are lithium salts, non-aqueous organic solvent such as cyclic carbonate, linear carbonate etc..Most polymer material soaks in above-mentioned electrolyte
When bubble, it may occur that the problems such as being swollen, degrade, permeating.Battery cartridge and lid need welded seal, and preferable welding manner is sharp
Photocoagulation.
Plastics laser welding mainly is welded as leading with laser penetration, and basic principle is: upper and lower two plastic workpieces are placed in
In fixture and apply enough pressure, after laser beam penetrates overlying plastic, lower layer's frosting absorbs laser energy heating melting
The plastics of plastics, melting merge under the action of welding pressure, form firm weld seam after cooling.Plastics laser welding it is several
Main parameter are as follows: laser energy, speed of welding, welding pressure, workpiece light transmission extinction effect etc..
Battery case needs wall thin, and intensity is high, and good toughness can laser welding.Polyarylene sulfide resin is relatively good heat-resisting resistance to
Electrolyte material, but polyarylene sulfide resin is generally not easy to be processed, material itself is more crisp, and laser transmittance is low.
Summary of the invention
Object of the present invention is to be directed to the above the deficiencies in the prior art of poly arylidene thio-ester, provide a kind of for lithium battery electrolyte resistance
And can laser welding polyaryl thioether composite material, solve laser light and the insufficient defect of weld strength in the prior art.Together
When composite material have enough toughness, and easy processing, can be used for preparing thin-wall workpiece.
It is a further object of the present invention to provide it is a kind of for lithium battery can laser welding polyaryl thioether composite material system
Preparation Method solves preparation method complexity in the prior art, uppity defect.
The technical solution of the present invention is as follows: it is a kind of for lithium battery can laser welding polyaryl thioether composite material, including
The each component of following weight percent:
| Polyarylene sulfide resin | 65%-98% |
| Polyolefin | 3%-35% |
| Antioxidant | 0.05%-0.5% |
| Release agent | 0.1%-2% |
| Nucleating agent | 0.1%-3% |
| Metal salt compound | 0.1%-3% |
Preferably, the polyarylene sulfide resin includes PPS (polyphenylene sulfide) resin, polyarylene sulfide ketone PASK, poly arylidene thio-ester
Sulfone PASS, poly arylidene thio-ester keto-amide PASKA, polyarylsulfone (PAS) polyarylene sulfide PAS, polyarylene imide sulfide sulfone PASSI, poly arylidene thio-ester
One of acid imide PAIS or a variety of.
Preferably, the polyolefin includes polyethylene (PE), polypropylene (PP), polybutene, ethylene-octene copolymer
(POE), poly(4-methyl-1-pentene), cyclic olefin polymer, polyolefin-glycidyl ester copolymer, polyolefin-acrylates are total
Polymers, one of polyolefin-acetate copolymer or a variety of.
Preferably, it is described for lithium battery can the polyaryl thioether composite material of laser welding further include metallic salt chemical combination
Object, count by weight percentage, the percentage that the metal salt compound accounts for the polyaryl thioether composite material is 0.1%-
3%.
Preferably, the metal salt compound includes odium stearate, calcium stearate, magnesium stearate, aluminum stearate, sulfonic acid
Sodium, potassium sulfonate, sulfoacid calcium, sulfonic acid magnesium, one of sulfonic acid aluminium or a variety of.
Preferably, it is described for lithium battery can the polyaryl thioether composite material of laser welding further include organic and inorganic
Nucleating agent, count by weight percentage, described organic and inorganic nucleating agent account for the percentage of the polyaryl thioether composite material
For 0.1%-3%.
Preferably, described organic and inorganic nucleating agent includes long chain line saturated carboxylic acid sodium salt, long chain line saturated carboxylic acid calcium
Salt, superfine talcum powder, calcium carbonate superfine powder, silica, one of titanium dioxide, calcium oxide, magnesia or a variety of.
It is a kind of for lithium battery can laser welding polyaryl thioether composite material preparation method, above-mentioned each component is mixed
By being granulated after melt blending, wherein melt blending temperature is 280-330 DEG C.
Preferably, it is described for lithium battery can laser welding polyaryl thioether composite material preparation method, will be above-mentioned
Each group lease making parallel dual-screw extruding machine extruding pelletization, wherein prilling temperature is 280-330 DEG C.
The beneficial technical effect of the present invention lies in: the present invention can laser welding poly arylidene thio-ester composite wood for lithium battery
Material is able to ascend the laser transmittance of light transmission workpiece, the weld strength of improving laser welding.In addition, the present invention is used for lithium battery
Can laser welding polyaryl thioether composite material tolerance lithium-ion electrolyte ability it is strong, easy processing, toughness is strong.The present invention is simple
It is easy, it is suitble to large-scale production and application.
Detailed description of the invention
To be illustrated more clearly that the embodiment of the present invention or technical solution in the prior art, below to embodiment or existing skill
Attached drawing used in art description is briefly described, it is therefore apparent that drawings described below is only some implementations of the invention
Example, the various changes or modification that those skilled in the art of the present invention make this diagram structure, such equivalent forms equally fall within this
Invention limited range.
Fig. 1 be the present invention it is a kind of for lithium battery can laser welding polyaryl thioether composite material and preparation method thereof implement
The test single piece structural schematic diagram of weld strength in example.
In Fig. 1: 1- light transmission batten, 2- extinction batten, 3- bonding wire.
Wherein laser transmittance test is beforehand with before the welding of 1- light transmission batten.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.Furthermore, it is to be understood that after having read documented content of the invention, this field skill
Art personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within limited range of the present invention.
The test of weld strength used in the present invention is inventor's lab design testing standard, specific as follows:
Single piece is tested for laser welding batten as shown in Figure 1, wherein extinction and light transmission batten size are 125mm*
13mm*1.5mm, two battens overlap joints when welding, using clamp pressing, laser is from light transmission batten through reaching light transmission/extinction sample
Interface, molten plastic, bonding wire width are 2mm, and every group welding tests 5 battens, stands 24 hours under room temperature after welding,
Extension test is carried out using omnipotent test machine to obtain pulling force data, is averaged.
Light transmission batten laser transmittance is tested before welding, laser transmittance is tested using LPK laser transmittance tester, is swashed
The a length of 960nm of light wave.
Extinction batten is that 0.5% hydrocarbon black powder of each embodiment sample particle addition is molded to obtain.
Electrolyte resistance testing standard is as follows: material injection is bent batten, batten size 4*10* at | SO standard
Then batten is placed in ternary lithium battery electrolytes the closed immersion under 85 DEG C of environment by 120mm, after continuing 7*24 hours
Surface residual electrolyte is dried in taking-up, and every physical property is tested after placing 24 hours.
Embodiment 1
Mixed at high speed after each component in table 1 is weighed by the weight ratio, is made with parallel dual-screw extruding machine blending extrusion
Grain, prilling temperature is between 290 DEG C to 310 DEG C.By iso standard injection molding bending batten after the drying of gained particle, and press Fig. 1 standard
The molding of batten injection molding and testing laser transmitance and weld strength.
Injecting condition are as follows: 310 DEG C of melt temperature, 50 DEG C of mould temperature.Test result is as shown in table 2.
Table 1:
It is compared by reference in table 1 and sample it is found that the addition of polyolefin can effectively promote the poly arylidene thio-ester based on PPS
Composite material laser transmittance and weld strength.
Embodiment 2
Mixed at high speed after each component in table 2 is weighed by the weight ratio, is made with parallel dual-screw extruding machine blending extrusion
Grain, prilling temperature is between 290 DEG C to 310 DEG C.By iso standard injection molding bending batten after the drying of gained particle, and press Fig. 1 standard
The molding of batten injection molding and testing laser transmitance and weld strength.
Injecting condition is the same as embodiment 1.
Table 2:
By in table 2 sample comparison it is found that the addition of metal salt can effectively be promoted polyester composite laser transmittance and
Weld strength.
The bending strength of embodiment 1 and the made batten of embodiment 2, bending modulus, weight and size after electrolyte impregnates
Conservation rate data it is as shown in table 3.It can be seen that embodiment sample is except the laser transmittance and laser welding for promoting light transmission sample
Weld strength outside, it is also strong to lithium-ion electrolyte tolerance.
Table 3:
Above embodiments are only presently preferred embodiments of the present invention, not to limit the present invention, it is all in spirit of the invention and
Within principle, made any modification, equivalent replacement, improvement etc. be should all be included in the protection scope of the present invention.
Claims (9)
1. it is a kind of for lithium battery can laser welding polyaryl thioether composite material, which is characterized in that including following weight hundred
Divide each component of ratio:
2. it is according to claim 1 for lithium battery can laser welding polyaryl thioether composite material, which is characterized in that
The polyarylene sulfide resin is selected from PPS (polyphenylene sulfide) resin, polyarylene sulfide ketone PASK, polyaryl thioether sulfone PASS, poly arylidene thio-ester
In keto-amide PASKA, polyarylsulfone (PAS) polyarylene sulfide PAS, polyarylene imide sulfide sulfone PASSI, polyarylene imide sulfide PAIS
It is one or more.
3. it is according to claim 1 for lithium battery can laser welding polyaryl thioether composite material, which is characterized in that
The polyolefin is selected from polyethylene (PE), polypropylene (PP), polybutene, ethylene-octene copolymer (POE), poly- 4- methyl-1-pentene
Alkene, cyclic olefin polymer, polyolefin-glycidyl ester copolymer, polyolefin-acrylates copolymer, polyolefin-acetate are total
One of polymers is a variety of.
4. it is according to claim 1 for lithium battery can laser welding polyaryl thioether composite material, which is characterized in that
It is described for lithium battery can the polyaryl thioether composite material of laser welding further include metal salt compound, by weight percentage
It calculates, the percentage that the metal salt compound accounts for the polyaryl thioether composite material is 0.1%-3%.
5. it is according to claim 4 for lithium battery can laser welding polyaryl thioether composite material, which is characterized in that
The metal salt compound is selected from odium stearate, calcium stearate, magnesium stearate, aluminum stearate, sodium sulfonate, potassium sulfonate, sulfonic acid
Calcium, sulfonic acid magnesium, one of sulfonic acid aluminium or a variety of.
6. it is according to claim 1 for lithium battery can laser welding polyaryl thioether composite material, which is characterized in that
It is described for lithium battery can the polyaryl thioether composite material of laser welding further include organic and inorganic nucleating agent, by weight hundred
Divide than calculating, the percentage that described organic and inorganic nucleating agent accounts for the polyaryl thioether composite material is 0.1%-3%.
7. it is according to claim 6 for lithium battery can laser welding polyaryl thioether composite material, which is characterized in that
Described organic and inorganic nucleating agent is selected from long chain line saturated carboxylic acid sodium salt, long chain line saturated carboxylic acid calcium salt, and superfine talcum powder surpasses
Thin calcium carbonate, silica, one of titanium dioxide, calcium oxide, magnesia or a variety of.
8. according to claim 1 described in -8 for lithium battery can laser welding polyaryl thioether composite material, it is characterised in that:
It is described for lithium battery can laser welding polyaryl thioether composite material laser transmittance with higher, excellent resistance to lithium electricity
Fluidity energy is solved, thin-wall workpiece is can be processed into, can reach higher weld strength after laser welding.
9. it is a kind of as described in claim 1-7 for lithium battery can laser welding polyaryl thioether composite material preparation side
Method, it is characterised in that: be granulated after melt blending after mixing above-mentioned each component, wherein melt blending temperature is 280-330 DEG C；
Preferably, it is described for lithium battery can laser welding polyaryl thioether composite material preparation method, by above-mentioned each group
Lease making parallel dual-screw extruding machine extruding pelletization, wherein prilling temperature is 280-330 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810497889.7A CN109401315A (en) | 2018-05-22 | 2018-05-22 | A kind of lithium ion battery is with can laser welding poly arylidene thio-ester material and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810497889.7A CN109401315A (en) | 2018-05-22 | 2018-05-22 | A kind of lithium ion battery is with can laser welding poly arylidene thio-ester material and preparation method |
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