CN102558654A - Compound plastic and lithium ion battery and battery pack manufactured by using same and assembling method thereof - Google Patents
Compound plastic and lithium ion battery and battery pack manufactured by using same and assembling method thereof Download PDFInfo
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- CN102558654A CN102558654A CN2011104599437A CN201110459943A CN102558654A CN 102558654 A CN102558654 A CN 102558654A CN 2011104599437 A CN2011104599437 A CN 2011104599437A CN 201110459943 A CN201110459943 A CN 201110459943A CN 102558654 A CN102558654 A CN 102558654A
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- body skin
- ion battery
- lithium ion
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 179
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 177
- 239000004033 plastic Substances 0.000 title claims abstract description 85
- 229920003023 plastic Polymers 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 45
- 150000001875 compounds Chemical class 0.000 title abstract 9
- 239000000945 filler Substances 0.000 claims abstract description 11
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims description 90
- 238000003466 welding Methods 0.000 claims description 83
- 230000008569 process Effects 0.000 claims description 31
- 238000011049 filling Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 23
- 239000011159 matrix material Substances 0.000 claims description 18
- 239000008151 electrolyte solution Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 claims description 11
- 229910017083 AlN Inorganic materials 0.000 claims description 9
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 9
- 239000012763 reinforcing filler Substances 0.000 claims description 8
- 230000010412 perfusion Effects 0.000 claims description 6
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 5
- 229910000416 bismuth oxide Inorganic materials 0.000 claims description 5
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 5
- 239000010425 asbestos Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 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 4
- 239000000835 fiber Substances 0.000 claims description 4
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- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
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- 239000004615 ingredient Substances 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- -1 polypropylene Polymers 0.000 abstract description 3
- 239000004743 Polypropylene Substances 0.000 abstract description 2
- 229920001155 polypropylene Polymers 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract 2
- 239000002033 PVDF binder Substances 0.000 abstract 1
- 239000004698 Polyethylene Substances 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 abstract 1
- 239000012779 reinforcing material Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 19
- 238000004519 manufacturing process Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 10
- 238000005538 encapsulation Methods 0.000 description 10
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- 239000000203 mixture Substances 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 239000000178 monomer Substances 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 7
- 239000004411 aluminium Substances 0.000 description 6
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- 239000003792 electrolyte Substances 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 6
- 239000004594 Masterbatch (MB) Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000005453 pelletization Methods 0.000 description 4
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- 229910000831 Steel Inorganic materials 0.000 description 3
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- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 206010014357 Electric shock Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- WYRGOSDNPFGZFG-UHFFFAOYSA-K [bis(2-ethylhexoxy)-oxidophosphaniumyl] dihydrogen phosphate [bis(2-ethylhexoxy)-oxidophosphaniumyl] hydrogen phosphate [bis(2-ethylhexoxy)-oxidophosphaniumyl] phosphate propan-2-olate titanium(4+) Chemical compound [Ti+4].CC(C)[O-].CCCCC(CC)CO[P+]([O-])(OCC(CC)CCCC)OP(O)(O)=O.CCCCC(CC)CO[P+]([O-])(OCC(CC)CCCC)OP(O)([O-])=O.CCCCC(CC)CO[P+]([O-])(OCC(CC)CCCC)OP([O-])([O-])=O WYRGOSDNPFGZFG-UHFFFAOYSA-K 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention relates to compound plastic and a lithium ion battery and a battery pack manufactured by using the same and an assembling method thereof. The compound plastic disclosed by the invention comprises the following components in percentage by mass: 30-98 percent of a compound plastic substrate, 1-50 percent of a compound reinforcing material and 1-50 percent of a compound heat conducting filler, wherein the compound plastic substrate comprises the following components in percentage by mass: 0-100 percent of polypropylene, 0-100 percent of polyethylene and 0-10 percent of polyvinylidene fluoride. The invention further provides a lithium ion battery and a battery pack manufactured by using the compound plastic and an assembling method thereof. According to the compound plastic and the lithium ion battery and the battery pack manufactured by using the same and the assembling method thereof, the high requirements of a lithium ion battery encapsulating shell on technical conditions such as heat conductivity, mechanical strength, size stability, corrosion resistance, insulating strength, reliability, service life and the like are fully met.
Description
Technical field
The present invention relates to lithium ion battery encapsulation technology field, relate in particular to and a kind ofly be used for composite plastic that lithium ion battery makes and with lithium ion battery and the series of cells and the assemble method thereof of its manufacturing.
Background technology
The encapsulating housing of lithium ion battery is the important component part of lithium ion battery; The lithium ion battery structure housing encapsulation of extensively adopting at present mainly contains three types: one of which; The shell negative electrode lithium ion battery that adopts the steel casing encapsulation to constitute, its two, the anodal lithium ion battery of the shell that adopts the aluminum shell encapsulation to constitute; Its three, the anodal lithium ion battery of the recessive shell that adopts the aluminium plastic composite material encapsulation to constitute.
When the lithium ion battery series connection is constituted series of cells; Owing to have potential difference between the lithium-ion battery shell of each level; When the lithium ion battery that adopts above-mentioned nonisulated shaped shell is connected in groups; Very easily produce the lithium-ion battery shell short circuit between the series connection level, and when constituting the high-voltage battery group, the charged existence operation of casing of lithium ion battery electric shock risk; Therefore must carry out insulation processing to casing of lithium ion battery, satisfy mounting structure, heat radiation, the technical qualification of electric insulation and the aspect requirements such as system engineering safety of assembling process of series of cells.Generally take at present on the metal shell of lithium ion battery coated insulation film mode to handle; Though this method can be improved in groups the electrical insulation properties and the security in when assembling to a certain extent; But because the insulating coating material thinner thickness and and the metal shell of lithium ion battery between have air gap; Thereby have that system's heat transfer efficiency is lower, insulation strength is lower and cracky, be difficult for forming problem such as coatings fully, cause the radiating effect of lithium ion battery group relatively poor, insulation and radiator structure is complicated, energy/volume ratio is low, the electric insulation safety is low, the security of system engineering is low, product and system engineering cost height.
Adopt plastic material to constitute casing of lithium ion battery, can solve the housing Insulation Problems between series of cells series connection level, can solve high-pressure type series of cells system engineering safety-problems, can simplify between battery insulation and radiator structure and reduce the series of cells volume.But because there is corrodibility in lithium-ion battery electrolytes, has the afflux heat effect when discharging and recharging, the airtight technical qualification such as close of cell package needs; Thereby adopt general engineering plastics, can not satisfy the technical requirements of lithium-ion battery shell to aspects such as electrolyte resistance corrodibility, thermal conductivity.And the existing corrosive of anti-lithium-ion battery electrolytes plastics exist that poor thermal conductivity, physical strength are lower, be prone to produce problem such as distortion after the demoulding.
Summary of the invention
Therefore, a purpose of the present invention is to provide a kind of high thermal conductivity composite plastic that lithium ion battery is made that is used for.
Another purpose of the present invention is to provide the lithium ion battery made from this composite plastic, adopts flat coiling lithium-ion electric core.
A purpose more of the present invention is to provide the assemble method of the lithium ion battery of the employing flat coiling lithium-ion electric core of using this composite plastic manufacturing.
Another purpose of the present invention is to provide the lithium ion battery group made from this composite plastic.
A purpose more of the present invention is to provide the lithium ion battery made from this composite plastic, adopts cylindrical roll around lithium-ion electric core.
Another purpose of the present invention is to provide the assemble method of the usefulness employing cylindrical roll that this composite plastic is made around the lithium ion battery of lithium-ion electric core.
For realizing above-mentioned purpose, the present invention provides a kind of composite plastic, and it mainly comprises following ingredients by mass percentage:
Composite plastic matrix 30%～98% comprises Vestolen PP 7052 0～100%, Vilaterm 0～100% and pvdf 0～100% by the mass percent of this composite plastic matrix;
Composite reinforcing filler 1%～50% comprises inorganic fibre 0～100%, organic fibre 0～90%, asbestos 0～50% and talcum powder 0～50% by the mass percent of this composite reinforcing filler;
Composite heat-conducting filler 1%～50% comprises aluminium nitride AlN 0～100%, aluminum oxide 0～100%, SP 1 0～100%, silicon nitride 0～100%, silit 0～100% and bismuth oxide 0～100% by the mass percent of this composite heat-conducting filler.
The present invention also provides a kind of usefulness lithium ion battery that foregoing composite plastic is made; Comprise: the doublet of forming by several flat coiling lithium-ion electric cores, go up body skin, lower housing body, body skin loam cake, positive electrical pole, negative electricity pole, liquid filling hole fused plug, anodal rivet welding electrode slice and negative pole rivet welding electrode slice; Should go up body skin, lower housing body and body skin loam cake is processed by said composite plastic; This positive electrical pole embeds the body skin loam cake with negative electricity pole lower end and is fixedly connected with negative pole rivet welding electrode slice with anodal rivet welding electrode slice respectively; This positive pole rivet welding electrode slice and negative pole rivet welding electrode slice also are fixedly attached to lithium-ion electric core positive pole ear and lithium-ion electric core negative lug respectively; Should go up body skin, lower housing body and body skin loam cake and be mutually permanently connected and encapsulate said doublet in wherein, this liquid filling hole fused plug is fixed in the injecting electrolytic solution hole that covers on the body skin.
The present invention also provides a kind of assemble method of foregoing lithium ion battery, comprising:
Step 1; Anodal rivet welding electrode slice and negative pole rivet welding electrode slice are installed in respectively on the positive electrical pole and negative electricity pole that embeds the body skin loam cake, and adopt pressure to revolve the riveter skill positive electrical pole and the pressing riveted joint respectively of anodal rivet welding electrode slice, negative electricity pole and negative pole rivet welding electrode slice;
Step 2; Weld through resistance welding adopting with the anodal rivet welding electrode slice and the lithium-ion electric core positive pole ear of lithium-ion electric core positive pole ear with material; Weld through resistance welding with the negative pole rivet welding electrode slice and the lithium-ion electric core negative lug of material adopting, and will weld the electrode of accomplishing and use bending frock folding to be the S type with the lithium-ion electric core negative lug;
Step 3, employing ultrasonic welding or hot plate weldprocedure will go up body skin and the lower housing body is welded as a whole;
Step 4; Adopt ultrasonic welding or hot plate weldprocedure; The welding body and the body skin loam cake of last body skin and lower housing body are welded as a whole; Accomplish through the injecting electrolytic solution hole and to take out negative pressure, perfusion electrolytic solution, change into, behind the inspection process, adopt ultrasonic welding or hot jet welding technology, liquid filling hole fused plug and body skin loam cake are welded as a whole.
The present invention also provides a kind of usefulness lithium ion battery group that foregoing lithium ion battery is made; Comprise: several said lithium ion batteries, series of cells loam cake, control and display unit, control and management system, mounting bracket, two middle casings, two radiator element and series of cells bottom; Said two middle casings and two radiator element are as the interconnection on the edge of circumferential closed square frame of upper and lower opening that surrounds of the wall of square frame; This two radiator element position is relative; This series of cells bottom is packaged in the bottom opening of this square frame; This mounting bracket is fixed in the middle of this square frame, and said several lithium ion batteries build up two rows and in this square frame, are installed on the mounting bracket both sides respectively, and this control and management system is connected with the electrode of said several lithium ion batteries in the open top of square frame; This series of cells loam cake is packaged in the open top of square frame, and this control and display unit are located on this series of cells on the cap surface.
The present invention provides a kind of usefulness lithium ion battery that foregoing composite plastic is made again; Comprise: columniform lithium-ion electric core, body skin, anode end cap, negative pole end cap, anode electrode, negative electrode, liquid filling hole fused plug; This body skin, anode end cap, negative pole end cap are processed by said composite plastic; This lithium-ion electric core inserts in the body skin, and this anode electrode embeds anode end cap and is fixedly connected with the positive electrode of lithium-ion electric core, and this negative electrode embeds the negative pole end cap and is fixedly connected with the negative potential of lithium-ion electric core; This anode end cap, negative pole end cap be the two ends of package casing body respectively, and this liquid filling hole fused plug is fixed in the liquid filling hole on the anode end cap.
The present invention also provides foregoing assemble method with lithium ion battery of columniform lithium-ion electric core, comprising:
Step 1 is inserted body skin with lithium-ion electric core;
Step 2 is welded the anode electrode of embedding anode end cap and the positive electrode of lithium-ion electric core through resistance welding, the negative electrode of embedding negative pole end cap and the negative potential of lithium-ion electric core are welded through resistance welding;
Step 3, the positive electrode folding of the lithium-ion electric core after will welding with anode electrode is the U type, and adopts ultrasonic welding or hot plate weldprocedure to be welded as a whole anode end cap and body skin;
Step 4, the negative potential folding of the lithium-ion electric core after will welding with negative electrode is the U type, and adopts ultrasonic welding or hot plate weldprocedure to be welded as a whole negative pole end cap and body skin;
Step 5 is accomplished through the injecting electrolytic solution hole and to be taken out negative pressure, perfusion electrolytic solution, changes into, behind the inspection process, adopts ultrasonic welding or hot jet welding technology that liquid filling hole fused plug and anode end cap are welded as a whole.
In sum; After adopting a kind of corrosive of anti-lithium-ion battery electrolytes plastics or add one or more plastic blend modifications therein, the present invention constitutes the composite plastic matrix; In the composite plastic matrix, add strength modified filler and heat conduction modified filler; Technical features such as the thermal conductivity of composite plastic matrix, physical strength, demoulding dimensional stability, erosion resistance are carried out modification constitute the high thermal conductivity composite plastic, the present invention also adopts this composite plastic to make insulation-encapsulated housing and the corresponding lithium ion battery and the lithium ion battery group of lithium ion battery.
The composite plastic that is used for the lithium ion battery manufacturing of the present invention and have following beneficial effect with the lithium ion battery of its manufacturing and series of cells and assemble method thereof.
Composite plastic of the present invention has fully satisfied the high request of lithium ion battery encapsulating housing to technical qualification such as thermal conductivity, physical strength, dimensional stability, erosion resistance, insulation strength, safety and life-spans.
Adopt high thermal conductivity composite plastic of the present invention; Through processes such as structure design, technological design, injection moulding, forming process; The lithium ion battery encapsulating housing that makes has solved high efficient heat problem, insulation strength problem, problems of mechanical strength, the electrolyte resistance corrosion problems of lithium ion battery encapsulating housing and associated components.
The lithium ion battery that the encapsulating housing that uses high heat conduction composite plastic of the present invention to process encapsulates; And and then the lithium ion battery group of utilizing this lithium ion battery to constitute, can solve Insulation Problems between the monomer lithium ion battery of heat conduction efficiency and heat dissipation problem, solution series of cells of series of cells.In groups the time, can lithium ion battery be directly installed in the metal construction of high thermal conductivity, improve system's thermal conduction and radiating efficiency, the heat radiation of simplification series of cells and electric insulation structure, the battery pack power/volume ratio that improves.And the assembling process in the high-pressure type series of cells can reduce the insulating process equipment and significantly reduce the system engineering security risk that assembling is produced, and reduces production costs and enhances productivity.
Description of drawings
Below in conjunction with accompanying drawing, describe in detail through specific embodiments of the invention, will make technical scheme of the present invention and other beneficial effects obvious.
In the accompanying drawing,
Fig. 1 is the preparation flow figure of composite plastic one preferred embodiment of the present invention;
Fig. 2 A is the external structure synoptic diagram of first preferred embodiment of the lithium ion battery of employing composite plastic manufacturing of the present invention;
Fig. 2 B is the blast structural representation of the lithium ion battery of this first preferred embodiment;
Fig. 3 A to Fig. 3 F is the assembling process synoptic diagram of the lithium ion battery of this first preferred embodiment;
Fig. 4 A adopts the lithium ion battery of the present invention's first preferred embodiment to constitute for the external structure synoptic diagram of lithium ion battery group one preferred embodiment of employing composite plastic manufacturing of the present invention, this lithium ion battery group;
Fig. 4 B is the blast structural representation of lithium ion battery group shown in Fig. 4 A;
Fig. 5 A is the external structure synoptic diagram of second preferred embodiment of the lithium ion battery of employing composite plastic manufacturing of the present invention;
Fig. 5 B is the blast structural representation of the lithium ion battery of this second preferred embodiment;
Fig. 6 A to Fig. 6 E is the assembling process synoptic diagram of the lithium ion battery of this second preferred embodiment.
Embodiment
Referring to Fig. 1, it constitutes the preparation flow figure of the preferred embodiment of composite plastic matrix based on Vestolen PP 7052 for the present invention one.
Step 1: with Vestolen PP 7052 (PP), Vilaterm (PE), pvdf (PVDF), expanding material, the blend of according to the form below proportioning through being total to operations such as refining and extruding pelletization, obtains the composite plastic matrix that constitutes based on Vestolen PP 7052.The composite plastic matrix that this step obtains has higher dielectric constant, high toughness, higher melting adhered property and lower cost, can directly be used for the parts such as liquid filling hole melten gel plug that lithium-ion battery shell is made in injection moulding.
| Vestolen PP 7052 | Pvdf | Vilaterm | Expanding material |
| 71％ | 14％ | 11％ | 4％ |
Add pvdf by last table proportioning, can obviously improve the specific inductivity of the composite plastic matrix that constitutes based on Vestolen PP 7052, the specific inductivity of the composite plastic matrix permittivity ratio virgin pp after the blend promotes about 60%.Add Vilaterm by last table proportioning, can obviously improve the toughness and the injection moulding processing fluidity of the composite plastic matrix that constitutes based on Vestolen PP 7052, the shock resistance of the composite plastic matrix after the blend promotes about 50% than the shock resistance of virgin pp.Polypropylene grafted expanding material adopts maleic anhydride (Maleic anhydride).Electromagnetic Dynamic mixing extruder mixing 11min extruding pelletization under 160 ℃ is adopted in the blend preparation of composite plastic matrix.
Step 2: with materials such as spun glass, asbestos, talcum powder, the blend of according to the form below proportioning through operations such as batch mixing and oven dry, obtains the composite reinforcing filler.Universal stirrer batch mixing is adopted in composite reinforcing filler blend preparation, adopts universal baking oven to dry 2 hours down for 100 ℃, and coupling agent adopts silane coupling agent KH-792.
| Spun glass | Asbestos | Talcum powder | Coupling agent |
| 89％ | 3％ | 7％ | 1％ |
Step 3: composite plastic matrix and composite reinforcing filler are pressed composite plastic (89%), the blend of composite reinforcing filler (11%) proportioning, through drying, batch mixing, extruding pelletization, the type that is enhanced composite plastic master batch.The enhancement type composite plastic matrix that this step obtains has higher physical strength and anti-demoulding creep properties, can directly be used for the parts such as lug bending shaping slice and structure stand that lithium-ion battery shell is made in injection moulding.Universal stirrer batch mixing is adopted in the preparation of enhancement type composite plastic master batch, adopts the granulation of all-purpose double-screw forcing machine.
Step 4: with materials such as aluminium nitride AlN (AlN), aluminum oxide (Al2O3), SP 1 (BN), silicon nitride (Si3N4), silit (SiC), bismuth oxide (BiO), coupling agents, the blend of according to the form below proportioning through operations such as batch mixing, oven dry, obtains the composite heat-conducting filler.Universal stirrer batch mixing is adopted in the preparation of composite heat-conducting filler, adopts universal baking oven to dry 4 hours down for 100 ℃, and coupling agent adopts titanate coupling agent NDZ-201, silane coupling agent kh560.
| Aluminium nitride AlN | Aluminum oxide | SP 1 | Silicon nitride | Silit | Bismuth | Coupling agent | |
| 31％ | 1％ | 5％ | 7％ | 11％ | 43％ | 2％ |
Step 5:,,, obtain high heat conduction composite plastic master batch through oven dry, batch mixing, extruding pelletization by enhancement type composite plastic (79%), the blend of composite heat-conducting filler (21%) proportioning with enhancement type composite plastic matrix master batch and composite heat-conducting filler.The high heat conduction composite plastic that this step obtains, thermal conductivity can reach 4W/mK, can directly be used for the parts such as insulating heat-conductive body skin that lithium ion battery is made in injection moulding.Universal stirrer batch mixing, universal oven for drying, the granulation of all-purpose double-screw forcing machine are adopted in high heat conduction composite plastic master batch preparation.
Referring to the external structure synoptic diagram of Fig. 2 A for first preferred embodiment of the lithium ion battery of employing composite plastic manufacturing of the present invention, Fig. 2 B is the blast structural representation of the lithium ion battery of this first preferred embodiment.The lithium ion battery 10 of this first preferred embodiment adopts high thermal conductivity composite plastic of the present invention to process encapsulating housing and encapsulates; This lithium ion battery 10 comprises the doublet of being made up of 4 flat coiling lithium-ion electric cores 19, last body skin 11, lower housing body 12, body skin loam cake 13, positive electrical pole 14, negative electricity pole 15, liquid filling hole fused plug 16, anodal rivet welding electrode slice 17, negative pole rivet welding electrode slice 18.Body skin loam cake 13 is provided with injecting electrolytic solution hole 131 and explosion trap 132, and lithium-ion electric core is provided with lithium-ion electric core positive pole ear 191 and lithium-ion electric core negative lug 192.Should go up body skin 11, lower housing body 12 and body skin loam cake 13 is processed by the aforementioned composite plastic of the present invention; This positive electrical pole 14 embeds body skin loam cake 13 with negative electricity pole 15 lower ends and is fixedly connected with negative pole rivet welding electrode slice 18 with anodal rivet welding electrode slice 17 respectively; This positive pole rivet welding electrode slice 17 and negative pole rivet welding electrode slice 18 also are fixedly attached to lithium-ion electric core positive pole ear 191 and lithium-ion electric core negative lug 192 respectively; Should go up body skin 11, lower housing body 12 and body skin loam cake 13 and be mutually permanently connected and encapsulate said doublet 19 in wherein, this liquid filling hole fused plug 16 is fixed in the injecting electrolytic solution hole 131 on the body skin loam cake 13.
Referring to Fig. 3 A to Fig. 3 F, it is the assembling process synoptic diagram of the lithium ion battery of this first preferred embodiment.Comprise step 1; Consult Fig. 3 A and Fig. 3 B; Anodal rivet welding electrode slice 17 and negative pole rivet welding electrode slice 18 be installed in respectively on the positive electrical pole 14 that embeds body skin loam cake 13 and the negative electricity pole 15, and adopt to press and revolve the riveter skill positive electrical pole 14 and anodal rivet welding electrode slice 17, negative electricity pole 15 and negative pole rivet welding electrode slice 18 pressings riveted joint respectively.Step 2; Consult Fig. 3 C and Fig. 3 D; Weld through resistance welding with the lithium-ion electric core positive pole ear adopting with the anodal rivet welding electrode slice 17 of lithium-ion electric core positive pole ear with material; Weld through resistance welding with the lithium-ion electric core negative lug adopting, and will weld the electrode of accomplishing and use bending frock folding to be the S type with the negative pole rivet welding electrode slice 18 of lithium-ion electric core negative lug with material.Step 3 is consulted Fig. 3 D and Fig. 3 E, adopts ultrasonic welding or hot plate weldprocedure, will go up body skin 11 and be welded as a whole with lower housing body 12.Step 4 is consulted Fig. 3 E and Fig. 3 F, adopts ultrasonic welding or hot plate weldprocedure, and the welding body and the body skin loam cake 13 of last body skin 11 and lower housing body 12 is welded as a whole.Step 4; Fig. 3 F; Accomplish through the injecting electrolytic solution hole and to take out negative pressure, perfusion electrolytic solution, change into, after the operation such as check; Adopt ultrasonic welding or hot jet welding technology, liquid filling hole fused plug 16 and body skin loam cake 13 are welded as a whole, so far accomplish the packaging technology process of the lithium ion battery 10 of first preferred embodiment.
Referring to Fig. 4 A and Fig. 4 B; Fig. 4 A is the external structure synoptic diagram of lithium ion battery group one preferred embodiment of employing composite plastic manufacturing of the present invention; This lithium ion battery group adopts the formation of lithium ion battery shown in Fig. 3 A, and Fig. 4 B is the blast structural representation of lithium ion battery group shown in Fig. 4 A.
The lithium ion battery group 30 that adopts lithium ion battery shown in Fig. 3 A 10 to constitute comprises several lithium ion batteries 10, series of cells loam cake 31, control and display unit 32, control and management system 33, mounting bracket 34, two middle casings 35, two radiator element 36, series of cells bottom 37.Two middle casings 35 and two radiator element 36 are as the interconnection on the edge of circumferential closed square frame of upper and lower opening that surrounds of the wall of square frame; These two radiator element, 36 positions are relative; This series of cells bottom 37 is packaged in the bottom opening of this square frame; This mounting bracket 34 is fixed in the middle of this square frame, and said several lithium ion batteries 10 build up two rows and in this square frame, are installed on mounting bracket 34 both sides respectively, and this control and management system 33 is connected with the electrode of said several lithium ion batteries 10 in the open top of square frame; This series of cells loam cake 31 is packaged in the open top of square frame, and this control and display unit 32 are located on these series of cells loam cake 31 surfaces.Because the body skin of lithium ion battery 10 adopts high heat conduction composite plastic to process, and have good insulation performance property, so middle casing 35 can adopt aluminium alloy extrusions to process.Series of cells 30 is when high magnification charging or high-multiplying power discharge; The lithium ion battery 10 inner heats that produce; The lithium-ion battery shell of processing through high heat conduction composite plastic conducts to the middle casing 35 that aluminium extruded section is processed, and realizes the high efficiency and heat radiation purpose through middle casing 35 and the heat exchange of series of cells extraneous air.
Lithium ion battery group of the present invention adopts the monomer lithium ion battery series connection of high thermal conductivity composite plastic housing encapsulation to constitute series of cells; Because the housing of lithium ion battery has adopted the high thermal conductivity composite plastic manufacturing of insulated type; Thereby can lithium ion battery be directly installed on the structure stand that the high thermal conductivity metallic substance processes, can solve simplification block structure, high-efficiency thermal conduction, thermal balance and the heat dissipation problem of series of cells thus.
Referring to Fig. 5 A and Fig. 5 B, Fig. 5 A is the external structure synoptic diagram of second preferred embodiment of the lithium ion battery of employing composite plastic manufacturing of the present invention, and Fig. 5 B is the blast structural representation of the lithium ion battery of this second preferred embodiment.The lithium ion battery 20 of this second preferred embodiment comprises columniform lithium-ion electric core 29, body skin 21, anode end cap 22, negative pole end cap 23, anode electrode 24, negative electrode 25, liquid filling hole fused plug 26.Lithium-ion electric core 29 two ends are respectively equipped with positive pole ear 291 and negative lug 292, and anode end cap 22 is provided with liquid filling hole 221.This body skin 21, anode end cap 22, negative pole end cap 23 are processed by the aforementioned composite plastic of the present invention; This lithium-ion electric core 29 inserts in the body skin 21; This anode electrode 24 embeds anode end cap 22 and is fixedly connected with the positive electrode of lithium-ion electric core 29; This negative electrode 25 embeds negative pole end cap 23 and is fixedly connected with the negative potential of lithium-ion electric core 29, and this anode end cap 22, negative pole end cap 23 be the two ends of package casing body 21 respectively, and this liquid filling hole fused plug 26 is fixed in the liquid filling hole 221 on the anode end cap 22.
Referring to Fig. 6 A to Fig. 6 E, it is the assembling process synoptic diagram of the lithium ion battery of this second preferred embodiment.The packaging technology process of lithium ion battery 20 comprises:
Step 1 is consulted Fig. 6 A, and lithium-ion electric core 29 is inserted body skin 21.
Step 2; Consult Fig. 6 B; The anode electrode that embeds anode end cap 22 24 and the positive electrode of lithium-ion electric core 29 are pressed mode shown in Fig. 6 B through the resistance welding welding, the negative electrode that embeds negative pole end cap 23 25 and the negative potential of lithium-ion electric core 29 are pressed mode shown in Fig. 6 B through the resistance welding welding.
Step 3 is consulted Fig. 6 C, and the positive electrode folding of the lithium-ion electric core 29 after will welding with anode electrode 24 is the U type, and adopts ultrasonic welding or hot plate weldprocedure to be welded as a whole anode end cap 22 and body skin 21.
Step 4 is consulted Fig. 6 D, and the negative potential folding of the lithium-ion electric core 29 after will welding with negative electrode 25 is the U type, and adopts ultrasonic welding or hot plate weldprocedure to be welded as a whole negative pole end cap 23 and body skin 21.
Step 5; Consult Fig. 6 D, Fig. 6 E; Accomplish through injecting electrolytic solution hole 221 and to take out negative pressure, perfusion electrolytic solution, change into, after the operation such as check; Adopt ultrasonic welding or hot jet welding technology that liquid filling hole fused plug 26 and anode end cap 22 are welded as a whole, so far accomplish the packaging technology process of the lithium ion battery 20 of this second preferred embodiment.
The present invention adopts the high thermal conductivity composite plastic to process the monomer lithium ion battery of housing encapsulation; Compare with the monomer lithium ion battery that adopts steel, aluminium matter or the encapsulation of aluminium plastic composite material housing, have that the body skin insulation strength is high, a material and the technology cost is low, structure and advantages such as moulding process is simple, the charged maintenance performance of finished product is good, volume production high conformity.
The series of cells that the monomer lithium ion battery that adopts high thermal conductivity composite plastic of the present invention to process the housing encapsulation constitutes; Compare with the series of cells that the monomer lithium ion battery that adopts steel, aluminium matter or the encapsulation of aluminium plastic composite material housing constitutes; Heat conduction path is become insulation shell → high conductive structure by nonisulated housing → air gap → insulation-encapsulated → high conductive structure, have need not between the monomer lithium ion battery that insulation processing, heat conduction efficiency are high, the security of system engineering is good, compact construction, technology simply reach cost low, be beneficial to advantages such as modularization and stdn.4 parallelly connected 10Ah electricity cores adopting the same terms are assemblied in square aluminum matter body skin and are assemblied among the grouping charging and discharging contrast experiment of square high thermal conductivity composite plastic body skin, and the temperature difference is than on average low 2.2 ℃ of the temperature difference between electric in-core portion that adopts the aluminum shell body and series of cells scatterer between the electric in-core portion of employing high thermal conductivity composite plastic body skin and series of cells scatterer.
In sum, composite plastic of the present invention has fully satisfied the high request of lithium ion battery encapsulating housing to technical qualification such as thermal conductivity, physical strength, dimensional stability, erosion resistance, insulation strength, safety and life-spans.
Adopt high thermal conductivity composite plastic of the present invention; Through processes such as structure design, injection moulding, forming process; The lithium ion battery encapsulating housing that makes has solved high efficient heat problem, insulation strength problem, problems of mechanical strength, the electrolyte resistance corrosion problems of lithium ion battery encapsulating housing and associated components.
The present invention adopts the high thermal conductivity composite plastic to make the encapsulating housing and the associated components of lithium ion battery; Have the ME of component and assembling process simple and controllable parameters property is good, good seal performance, process stabilizing, yield rate height and volume production consistence better, advantage such as material and technology cost be lower; Especially be fit to make be used for monomer lithium ion battery in groups; Compare in groups with adopting the metal shell lithium ion battery, have good insulating between the cell housing, whole group good heat dissipation effect, charged maintenance performance is good, GT is simple and security good, volume is little and low cost and other advantages.
The lithium ion battery that the encapsulating housing that uses high heat conduction composite plastic of the present invention to process encapsulates; And and then the lithium ion battery group of utilizing this lithium ion battery to constitute, can solve Insulation Problems between the cell of heat conduction efficiency and heat dissipation problem, solution series of cells of series of cells, solve the system engineering safety-problems of series of cells.In groups the time, can the monomer lithium ion battery be directly installed in the metal construction of high thermal conductivity, improve system's thermal conduction and radiating efficiency, raising battery pack power/volume ratio, reduce the battery pack structure cost.And the assembling process in the high-pressure type series of cells can reduce the insulating process equipment and significantly reduce the system engineering security risk that assembling is produced, and reduces production costs and enhances productivity.
The above; For the person of ordinary skill of the art; Can make other various corresponding changes and distortion according to technical scheme of the present invention and technical conceive, and all these changes and distortion all should belong to the protection domain of accompanying Claim of the present invention.
Claims (6)
1. a composite plastic is characterized in that, comprises following ingredients by mass percentage:
Composite plastic matrix 30%～98% comprises Vestolen PP 7052 0～100%, Vilaterm 0～100% and pvdf 0～100% by the mass percent of this composite plastic matrix;
Composite reinforcing filler 1%～50% comprises inorganic fibre 0～100%, organic fibre 0～90%, asbestos 0～50% and talcum powder 0～50% by the mass percent of this composite reinforcing filler;
Composite heat-conducting filler 1%～50% comprises aluminium nitride AlN 0～100%, aluminum oxide 0～100%, SP 1 0～100%, silicon nitride 0～100%, silit 0～100% and bismuth oxide 0～100% by the mass percent of this composite heat-conducting filler.
2. lithium ion battery made from composite plastic as claimed in claim 1; It is characterized in that; Comprise: the doublet of forming by several flat coiling lithium-ion electric cores, go up body skin, lower housing body, body skin loam cake, positive electrical pole, negative electricity pole, liquid filling hole fused plug, anodal rivet welding electrode slice and negative pole rivet welding electrode slice; Should go up body skin, lower housing body and body skin loam cake is processed by said composite plastic; This positive electrical pole embeds the body skin loam cake with negative electricity pole lower end and is fixedly connected with negative pole rivet welding electrode slice with anodal rivet welding electrode slice respectively; This positive pole rivet welding electrode slice and negative pole rivet welding electrode slice also are fixedly attached to lithium-ion electric core positive pole ear and lithium-ion electric core negative lug respectively; Should go up body skin, lower housing body and body skin loam cake and be mutually permanently connected and encapsulate said doublet in wherein, this liquid filling hole fused plug is fixed in the injecting electrolytic solution hole that covers on the body skin.
3. the assemble method of a lithium ion battery as claimed in claim 2 is characterized in that, comprising:
Step 1; Anodal rivet welding electrode slice and negative pole rivet welding electrode slice are installed in respectively on the positive electrical pole and negative electricity pole that embeds the body skin loam cake, and adopt pressure to revolve the riveter skill positive electrical pole and the pressing riveted joint respectively of anodal rivet welding electrode slice, negative electricity pole and negative pole rivet welding electrode slice;
Step 2; Weld through resistance welding adopting with the anodal rivet welding electrode slice and the lithium-ion electric core positive pole ear of lithium-ion electric core positive pole ear with material; Weld through resistance welding with the negative pole rivet welding electrode slice and the lithium-ion electric core negative lug of material adopting, and will weld the electrode of accomplishing and use bending frock folding to be the S type with the lithium-ion electric core negative lug;
Step 3, employing ultrasonic welding or hot plate weldprocedure will go up body skin and the lower housing body is welded as a whole;
Step 4; Adopt ultrasonic welding or hot plate weldprocedure; The welding body and the body skin loam cake of last body skin and lower housing body are welded as a whole; Accomplish through the injecting electrolytic solution hole and to take out negative pressure, perfusion electrolytic solution, change into, behind the inspection process, adopt ultrasonic welding or hot jet welding technology, liquid filling hole fused plug and body skin loam cake are welded as a whole.
4. lithium ion battery group made from lithium ion battery as claimed in claim 2; It is characterized in that; Comprise: several said lithium ion batteries, series of cells loam cake, control and display unit, control and management system, mounting bracket, two middle casings, two radiator element and series of cells bottom; Said two middle casings and two radiator element are as the interconnection on the edge of circumferential closed square frame of upper and lower opening that surrounds of the wall of square frame; This two radiator element position is relative, and this series of cells bottom is packaged in the bottom opening of this square frame, and this mounting bracket is fixed in the middle of this square frame; Said several lithium ion batteries build up two rows and in this square frame, are installed on the mounting bracket both sides respectively; This control and management system is connected with the electrode of said several lithium ion batteries in the open top of square frame, and this series of cells loam cake is packaged in the open top of square frame, and this control and display unit are located on this series of cells on the cap surface.
5. lithium ion battery made from composite plastic as claimed in claim 1; It is characterized in that; Comprise: columniform lithium-ion electric core, body skin, anode end cap, negative pole end cap, anode electrode, negative electrode, liquid filling hole fused plug; This body skin, anode end cap, negative pole end cap are processed by said composite plastic; This lithium-ion electric core inserts in the body skin, and this anode electrode embeds anode end cap and is fixedly connected with the positive electrode of lithium-ion electric core, and this negative electrode embeds the negative pole end cap and is fixedly connected with the negative potential of lithium-ion electric core; This anode end cap, negative pole end cap be the two ends of package casing body respectively, and this liquid filling hole fused plug is fixed in the liquid filling hole on the anode end cap.
6. the assemble method of a lithium ion battery as claimed in claim 5 is characterized in that, comprising:
Step 1 is inserted body skin with lithium-ion electric core;
Step 2 is welded the anode electrode of embedding anode end cap and the positive electrode of lithium-ion electric core through resistance welding, the negative electrode of embedding negative pole end cap and the negative potential of lithium-ion electric core are welded through resistance welding;
Step 3, the positive electrode folding of the lithium-ion electric core after will welding with anode electrode is the U type, and adopts ultrasonic welding or hot plate weldprocedure to be welded as a whole anode end cap and body skin;
Step 4, the negative potential folding of the lithium-ion electric core after will welding with negative electrode is the U type, and adopts ultrasonic welding or hot plate weldprocedure to be welded as a whole negative pole end cap and body skin;
Step 5 is accomplished through the injecting electrolytic solution hole and to be taken out negative pressure, perfusion electrolytic solution, changes into, behind the inspection process, adopts ultrasonic welding or hot jet welding technology that liquid filling hole fused plug and anode end cap are welded as a whole.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107819170A (en) * | 2017-11-10 | 2018-03-20 | 苏州格瑞动力电源科技有限公司 | Lithium-ion battery module with cooling function |
| CN108832223A (en) * | 2018-05-25 | 2018-11-16 | 欣旺达电子股份有限公司 | High-termal conductivity battery backing board and lithium ion battery |
| CN109980131A (en) * | 2019-03-13 | 2019-07-05 | 欣旺达电动汽车电池有限公司 | A kind of lithium ion high thermal conductivity insulating film and preparation method thereof |
| CN111900273A (en) * | 2020-07-16 | 2020-11-06 | 惠州市吉昀精密部件有限公司 | Heat-dissipation waterproof composite lithium ion battery shell material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1630118A (en) * | 2003-12-20 | 2005-06-22 | 鸿富锦精密工业（深圳）有限公司 | Method for sealing lithium ion battery |
| CN2786803Y (en) * | 2005-03-04 | 2006-06-07 | 北京中信国安盟固利新材料技术研究院有限公司 | Large-capacity metal shell lithium ion secondary battery |
| CN101494277A (en) * | 2008-01-21 | 2009-07-29 | 桐乡市众星能源科技有限公司 | Non-metal case lithium ion battery |
| CN101899209A (en) * | 2010-03-30 | 2010-12-01 | 金发科技股份有限公司 | Heat conductive insulation material and preparation method thereof |
-
2011
- 2011-12-31 CN CN2011104599437A patent/CN102558654A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1630118A (en) * | 2003-12-20 | 2005-06-22 | 鸿富锦精密工业（深圳）有限公司 | Method for sealing lithium ion battery |
| CN2786803Y (en) * | 2005-03-04 | 2006-06-07 | 北京中信国安盟固利新材料技术研究院有限公司 | Large-capacity metal shell lithium ion secondary battery |
| CN101494277A (en) * | 2008-01-21 | 2009-07-29 | 桐乡市众星能源科技有限公司 | Non-metal case lithium ion battery |
| CN101899209A (en) * | 2010-03-30 | 2010-12-01 | 金发科技股份有限公司 | Heat conductive insulation material and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107819170A (en) * | 2017-11-10 | 2018-03-20 | 苏州格瑞动力电源科技有限公司 | Lithium-ion battery module with cooling function |
| CN108832223A (en) * | 2018-05-25 | 2018-11-16 | 欣旺达电子股份有限公司 | High-termal conductivity battery backing board and lithium ion battery |
| CN109980131A (en) * | 2019-03-13 | 2019-07-05 | 欣旺达电动汽车电池有限公司 | A kind of lithium ion high thermal conductivity insulating film and preparation method thereof |
| CN111900273A (en) * | 2020-07-16 | 2020-11-06 | 惠州市吉昀精密部件有限公司 | Heat-dissipation waterproof composite lithium ion battery shell material and preparation method thereof |
| CN111900273B (en) * | 2020-07-16 | 2022-09-23 | 惠州市吉昀精密部件有限公司 | Heat-dissipation waterproof composite lithium ion battery shell material and preparation method thereof |
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Application publication date: 20120711 |