CN207014902U - A kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle - Google Patents
A kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle Download PDFInfo
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- CN207014902U CN207014902U CN201720634116.XU CN201720634116U CN207014902U CN 207014902 U CN207014902 U CN 207014902U CN 201720634116 U CN201720634116 U CN 201720634116U CN 207014902 U CN207014902 U CN 207014902U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle; include protective layer, outer foil layer, resin film layer, aluminium foil layer and CPP layers successively; connected by acrylic glue-line between the protective layer and the outer foil layer, connected respectively by adhesive phase between the outer foil layer and the resin film layer, between the resin film layer and the aluminium foil layer, between the aluminium foil layer and the CPP layers.The utility model provides a kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle, aluminum plastic film cladding material is modified, make it have the function of resistant to hydrolysis, with ensure battery can in liquid cooling system long-term normal work, can be applied to the power vehicle cell p ack with particular/special requirement.
Description
Technical field
A kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane is the utility model is related to, more particularly to one kind is used for liquid-cooling type power vapour
The electrokinetic cell Soft Roll aluminum-plastic composite membrane of car.
Background technology
The advantages that lithium-ion-power cell is because of its excellent power out-put characteristic and long lifespan, at present in batteries of electric automobile
Applications well is obtained in bag.But the performance of lithium-ion-power cell is more sensitive to temperature change, particularly power vehicle institute
Large Copacity, high-power LiFePO4 (LiFePO4) lithium ion battery.Loading space is limited inside power vehicle, vehicle
Required number of battery cells is larger, and battery is close-packed arrays connection.When vehicle is in checkers such as high speed, low speed, acceleration, decelerations
When being run under different travel conditions, battery can be discharged with different multiplying, and amount of heat is produced with different heat speed, plus when
Between accumulation and spacial influence can produce the aggregation of uneven heat.If the battery pack of electric automobile can not dissipate in time at high temperature
Heat, it will cause that battery pack system temperature is too high or temperature distributing disproportionation is even, and reduce battery charging and discharging cycle efficieny, seriously
When will also cause thermal runaway, influence the safety and reliability of battery.Therefore, in order that battery bag extends the life-span, it is played most
Best performance carries out heat management, it is necessary to optimize the structure of battery bag, to battery bag, increases cooling facilities, controls the temperature of battery operation
Spend environment.
The radiating mode of battery bag has active heat removal and passive radiating two ways.The cost of passive system requirement compares
Low, the measure taken is also relatively simple, and active system structure is then more relative complex, and needs bigger secondary power, but it
Heat management is more efficient.In active heat removal mode, heat eliminating medium has two kinds of gas and liquid, and power vehicle is especially pure electronic
Automobile and tandem mix electrical automobile, and its battery bag is typically radiated by the way of liquid is cold, and radiating efficiency is high, cooling velocity
It hurry up, the needs of high-power discharge and recharge can be met.Such as the Roadster pure electric automobiles of Tesla Motors companies employ liquid
Cold type battery thermal management system.On-vehicle battery group is made up of 6,831 18650 type lithium ion batteries of section, wherein it is one that every 69 section is in parallel
Group (brick), then by 9 groups of series connection be one layer (sheet), last 11 layers of composition of series stack.The cooling of battery thermal management system
Liquid is 50% water and 50% ethylene glycol mixture.As application of the soft-package battery in power vehicle field is more and more extensive, Soft Roll
Electrokinetic cell pack is also progressively shown using the demand of liquid-cooled battery thermal management system.Existing implementation uses fluorine carbon
Class coating sets up waterproof layer to improve the water proofing property of aluminum plastic film, and this kind of implementation be mainly prevent vapor infiltration and
Design, and can not be worked well in liquid cooling system.The outer layer of domestic lithium battery Soft Roll aluminum-plastic composite membrane is Buddhist nun at present
Imperial (Ny) or PET material, Ny are a kind of materials of very easy water suction because containing hydrophilic group (amide groups), PET water imbibition
It is relatively strong, at a certain temperature, intolerant to hot-water soak, easily degrade, after being assembled into battery bag, grow at a certain temperature
Time is immersed in waterborne liquid, can produce interlaminar separation, moisture intrusion, leakage a series of problems, such as, so as to destroy battery knot
Structure.Therefore soft package lithium battery bag can not use liquid-cooled battery thermal management system, cause heat conduction efficiency not high, can not meet to move
The demand of the high-power discharge and recharge of power battery.
The content of the invention
In view of the defects of above-mentioned prior art is present, the purpose of this utility model is to propose that one kind is used for liquid-cooling type power vapour
The electrokinetic cell Soft Roll aluminum-plastic composite membrane of car, the anti-hydrolytic performance of its cladding material is improved, to ensure battery bag in liquid-cooled heat
Stably worked for a long time in management system.
The purpose of this utility model will be achieved by the following technical programs：
A kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle, successively including protective layer, outer layer aluminium
Layers of foil, resin film layer, aluminium foil layer and CPP layers, connected between the protective layer and the outer foil layer by acrylic glue-line,
Between the outer foil layer and the resin film layer, between the resin film layer and the aluminium foil layer, the aluminium foil layer and institute
State and connected respectively by adhesive phase between CPP layers.
Further, the protective layer is by polypropylene, polyethylene, nylon, the one or more in cyclenes hydrocarbon type copolymer
Form, the thickness of the protective layer is 15 μm -25 μm.
Further, the acrylic glue-line glues acrylic glue by the height added with light trigger and formed, the acrylic glue
With high viscous force, it can be brought into close contact with aluminium foil, while the acrylic glue has the viscous function of UV solutions, is being glued after ultraviolet light
Power can decline rapidly, can be peeled off easily from aluminum plastic film.
Further, the outer foil layer and the aluminium foil layer are made by 8011 aluminium sheets.
Further, the outer foil layer is made up of the aluminium foil Jing Guo porous type anodized, the outer layer aluminium
The thickness of layers of foil is 20 μm -50 μm.
Further, described adhesive layer is made up of hot melt adhesive film or adhesive, the thickness of described adhesive layer for 5 μm-
20μm。
Further, the adhesive is polyurethanes adhesive or epoxy resin adhesive.
Further, the resin film layer is by any one in polypropylene, nylon, polypropylene and cyclenes hydro carbons co-extrusion thing
Form, the thickness of the resin film layer is 10 μm -30 μm.
Further, the aluminium foil layer is made up of the aluminium foil Jing Guo preservative treatment, and the thickness of the aluminium foil layer is 30 μm -40
μm。
Further, the thickness of the CPP layers is 30 μm -80 μm.
Prominent effect of the present utility model is：The utility model provides a kind of power electric for liquid-cooling type power vehicle
Pond Soft Roll aluminum-plastic composite membrane, is modified to aluminum plastic film cladding material, makes it have the function of resistant to hydrolysis, to ensure that battery can be
Long-term normal work in liquid cooling system, the power vehicle cell p ack with particular/special requirement is can be applied to, i.e., using the cold side of liquid
Formula carries out battery thermal management, and double-layer aluminum-foil structure make it that the barrier of the aluminum plastic film is extremely excellent, and porous anodic oxidation
Processing make it that aluminum plastic film surface lettering is extremely excellent；The protective layer of addition can greatly reduce aluminium foil breakage during scouring depth, improve
Scouring depth boundary value；The acrylic glue of the viscous characteristic of UV solutions allows protective layer perfectly to be attached with aluminum plastic film, the also pole when removing
For convenience, and it is not easy to leave cull.
Just accompanying drawing in conjunction with the embodiments below, is described in further detail to specific embodiment of the present utility model, so that this
Utility model technical scheme is more readily understood, grasped.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Embodiment
Embodiment 1
As shown in figure 1, a kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle of the present embodiment, according to
It is secondary including protective layer 1, outer foil layer 3, resin film layer 5, aluminium foil layer 7 and CPP layers 9, between protective layer 1 and outer foil layer 3
Connected by acrylic glue-line 2, between outer foil layer 3 and resin film layer 5, between resin film layer 5 and aluminium foil layer 7, aluminium foil layer 7
It is connected respectively by adhesive phase 4,6,8 between CPP layers 9.
Wherein, protective layer 1 is made up of polypropylene, and the thickness of protective layer 1 is 15 μm.
Acrylic glue-line 2 is formed by gluing acrylic glue by the height added with light trigger.
Outer foil layer 3 and aluminium foil layer 7 are made by 8011 aluminium sheets.
Outer foil layer 3 is made up of the aluminium foil Jing Guo porous type anodized, and the thickness of outer foil layer 3 is 20 μ
m。
Adhesive phase 4,6,8 is made up of hot melt adhesive film, and the thickness of adhesive phase 4,6,8 is 5 μm.
Resin film layer 5 is made up of polypropylene, and the thickness of resin film layer 5 is 10 μm.
Aluminium foil layer 7 is made up of the aluminium foil Jing Guo preservative treatment, and the thickness of aluminium foil layer 7 is 30 μm.
The thickness of CPP layers 9 is 30 μm.
Embodiment 2
A kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle of the present embodiment, include protection successively
Layer 1, outer foil layer 3, resin film layer 5, aluminium foil layer 7 and CPP layers 9, pass through acrylic between protective layer 1 and outer foil layer 3
Glue-line 2 connects, between outer foil layer 3 and resin film layer 5, between resin film layer 5 and aluminium foil layer 7, aluminium foil layer 7 and CPP layers 9 it
Between respectively pass through adhesive phase 4,6,8 connect.
Wherein, protective layer 1 is made up of polyethylene, and the thickness of protective layer 1 is 20 μm.
Acrylic glue-line 2 glues acrylic glue by the height added with light trigger and formed.
Outer foil layer 3 and aluminium foil layer 7 are made by 8011 aluminium sheets.
Outer foil layer 3 is made up of the aluminium foil Jing Guo porous type anodized, and the thickness of outer foil layer 3 is 30 μ
m。
Adhesive phase 4,6,8 is made up of adhesive, and the thickness of adhesive phase 4,6,8 is 15 μm.
Adhesive is polyurethanes adhesive.
Resin film layer 5 is made up of nylon, and the thickness of resin film layer 5 is 20 μm.
Aluminium foil layer 7 is made up of the aluminium foil Jing Guo preservative treatment, and the thickness of aluminium foil layer 7 is 30 μm.
The thickness of CPP layers 9 is 80 μm.
Embodiment 3
A kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle of the present embodiment, include protection successively
Layer 1, outer foil layer 3, resin film layer 5, aluminium foil layer 7 and CPP layers 9, pass through acrylic between protective layer 1 and outer foil layer 3
Glue-line 2 connects, between outer foil layer 3 and resin film layer 5, between resin film layer 5 and aluminium foil layer 7, aluminium foil layer 7 and CPP layers 9 it
Between respectively pass through adhesive phase 4,6,8 connect.
Wherein, protective layer 1 is made up of cyclenes hydrocarbon type copolymer, and the thickness of protective layer 1 is 25 μm.
Acrylic glue-line 2 glues acrylic glue by the height added with light trigger and formed.
Outer foil layer 3 and aluminium foil layer 7 are made by 8011 aluminium sheets.
Outer foil layer 3 is made up of the aluminium foil Jing Guo porous type anodized, and the thickness of outer foil layer 3 is 40 μ
m。
Adhesive phase 4,6,8 is made up of adhesive, and the thickness of adhesive phase 4,6,8 is 20 μm.
Adhesive is epoxy resin adhesive.
Resin film layer 5 is made up of polypropylene and cyclenes hydro carbons co-extrusion thing, and the thickness of resin film layer 5 is 30 μm.
Aluminium foil layer 7 is made up of the aluminium foil Jing Guo preservative treatment, and the thickness of aluminium foil layer 7 is 30 μm.
The thickness of CPP layers 9 is 40 μm.
Embodiment 4
A kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle of the present embodiment, include protection successively
Layer 1, outer foil layer 3, resin film layer 5, aluminium foil layer 7 and CPP layers 9, pass through acrylic between protective layer 1 and outer foil layer 3
Glue-line 2 connects, between outer foil layer 3 and resin film layer 5, between resin film layer 5 and aluminium foil layer 7, aluminium foil layer 7 and CPP layers 9 it
Between respectively pass through adhesive phase 4,6,8 connect.
Wherein, protective layer 1 is made up of nylon, and the thickness of protective layer 1 is 15 μm.
Acrylic glue-line 2 glues acrylic glue by the height added with light trigger and formed.
Outer foil layer 3 and aluminium foil layer 7 are made by 8011 aluminium sheets.
Outer foil layer 3 is made up of the aluminium foil Jing Guo porous type anodized, and the thickness of outer foil layer 3 is 20 μ
m。
Adhesive phase 4,6,8 is made up of hot melt adhesive film, and the thickness of adhesive phase 4,6,8 is 10 μm.
Resin film layer 5 is made up of polypropylene, and the thickness of resin film layer 5 is 10 μm.
Aluminium foil layer 7 is made up of the aluminium foil Jing Guo preservative treatment, and the thickness of aluminium foil layer 7 is 40 μm.
The thickness of CPP layers 9 is 50 μm.
Embodiment 5
A kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle of the present embodiment, include protection successively
Layer 1, outer foil layer 3, resin film layer 5, aluminium foil layer 7 and CPP layers 9, pass through acrylic between protective layer 1 and outer foil layer 3
Glue-line 2 connects, between outer foil layer 3 and resin film layer 5, between resin film layer 5 and aluminium foil layer 7, aluminium foil layer 7 and CPP layers 9 it
Between respectively pass through adhesive phase 4,6,8 connect.
Wherein, protective layer 1 is made up of cyclenes hydrocarbon type copolymer, and the thickness of protective layer 1 is 25 μm.
Acrylic glue-line 2 glues acrylic glue by the height added with light trigger and formed.
Outer foil layer 3 and aluminium foil layer 7 are made by 8011 aluminium sheets.
Outer foil layer 3 is made up of the aluminium foil Jing Guo porous type anodized, and the thickness of outer foil layer 3 is 30 μ
m。
Adhesive phase 4,6,8 is made up of hot melt adhesive film, and the thickness of adhesive phase 4,6,8 is 20 μm.
Resin film layer 5 is made up of polypropylene, and the thickness of resin film layer 5 is 30 μm.
Aluminium foil layer 7 is made up of the aluminium foil Jing Guo preservative treatment, and the thickness of aluminium foil layer 7 is 40 μm.
The thickness of CPP layers 9 is 80 μm.
Embodiment 6
A kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle of the present embodiment, include protection successively
Layer 1, outer foil layer 3, resin film layer 5, aluminium foil layer 7 and CPP layers 9, pass through acrylic between protective layer 1 and outer foil layer 3
Glue-line 2 connects, between outer foil layer 3 and resin film layer 5, between resin film layer 5 and aluminium foil layer 7, aluminium foil layer 7 and CPP layers 9 it
Between respectively pass through adhesive phase 4,6,8 connect.
Wherein, protective layer 1 is made up of polypropylene, and the thickness of protective layer 1 is 15 μm.
Acrylic glue-line 2 glues acrylic glue by the height added with light trigger and formed.
Outer foil layer 3 and aluminium foil layer 7 are made by 8011 aluminium sheets.
Outer foil layer 3 is made up of the aluminium foil Jing Guo porous type anodized, and the thickness of outer foil layer 3 is 40 μ
m。
Adhesive phase 4,6,8 is made up of hot melt adhesive film, and the thickness of adhesive phase 4,6,8 is 20 μm.
Resin film layer 5 is made up of polypropylene and cyclenes hydro carbons co-extrusion thing, and the thickness of resin film layer 5 is 30 μm.
Aluminium foil layer 7 is made up of the aluminium foil Jing Guo preservative treatment, and the thickness of aluminium foil layer 7 is 40 μm.
The thickness of CPP layers 9 is 80 μm.
Embodiment 7
A kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle of the present embodiment, include protection successively
Layer 1, outer foil layer 3, resin film layer 5, aluminium foil layer 7 and CPP layers 9, pass through acrylic between protective layer 1 and outer foil layer 3
Glue-line 2 connects, between outer foil layer 3 and resin film layer 5, between resin film layer 5 and aluminium foil layer 7, aluminium foil layer 7 and CPP layers 9 it
Between respectively pass through adhesive phase 4,6,8 connect.
Wherein, protective layer 1 is made up of polypropylene, and the thickness of protective layer 1 is 15 μm.
Acrylic glue-line 2 glues acrylic glue by the height added with light trigger and formed.
Outer foil layer 3 and aluminium foil layer 7 are made by 8011 aluminium sheets.
Outer foil layer 3 is made up of the aluminium foil Jing Guo porous type anodized, and the thickness of outer foil layer 3 is 50 μ
m。
Adhesive phase 4,6,8 is made up of hot melt adhesive film, and the thickness of adhesive phase 4,6,8 is 20 μm.
Resin film layer 5 is made up of polypropylene, and the thickness of resin film layer 5 is 10 μm.
Aluminium foil layer 7 is made up of the aluminium foil Jing Guo preservative treatment, and the thickness of aluminium foil layer 7 is 40 μm.
The thickness of CPP layers 9 is 30 μm.
It is whether qualified to determine embodiment 1-7 properties of product, now to being tested as follows：
1st, peel strength test
Sample size：15mm×100mm
Experimental enviroment：23 DEG C, 50%RH
Evaluation method：T-shaped stripping 50mm/min, when peel strength is as qualified more than 8N.
2nd, scouring depth performance test
Mould：Film dimensions 120mm × 200mm
Molded samples size：80mm×70mm
Corner R：The vertical R of 1.0mm：1.0mm
Shaping speed：5mm/sec
It is molded environment：Hothouse (- 40 DEG C of DP)
Evaluation method：See whether situations such as pin hole, cracking be present after shaping by visual observation.
3rd, anti-hydrolytic performance is evaluated
Sample film need to be made shelly sample and enclose electrolyte by the performance evaluation.
Shelly sample size:70mm×80mm×10mm
Test method：Sample after inclosure electrolyte is placed in 50%H2O and the mixed solution of 50% ethylene glycol, and added
Heat is taken out to 105 DEG C and observes whether 8 scouring depth angles have nigrescence situation after some period of time
Evaluation method：There is nigrescence phenomenon and is judged as failing in any scouring depth angle.
Generally automobile Soft Roll electrokinetic cell pack requirement be can in the case of -40 DEG C~60 DEG C normal work
Make, and need persistently effective.According to the data in above table can converse normal working temperature lower aluminum layer it is effective when
Between：The heating of 105 DEG C of 32 days is approximately equal to the normal use of 10 years.Therefore can expire when outer foil thickness degree is more than 20 μm
Foot requires.
The utility model still has numerous embodiments, all technologies formed using equivalents or equivalent transformation
Scheme, all fall within the scope of protection of the utility model.
Claims (9)
- A kind of 1. electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle, it is characterised in that：Include protection successively Layer, outer foil layer, resin film layer, aluminium foil layer and CPP layers, pass through acrylic between the protective layer and the outer foil layer Glue-line connect, between the outer foil layer and the resin film layer, between the resin film layer and the aluminium foil layer, the aluminium Connected respectively by adhesive phase between layers of foil and the CPP layers.
- 2. a kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle according to claim 1, it is special Sign is：The thickness of the protective layer is 15 μm -25 μm.
- 3. a kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle according to claim 1, it is special Sign is：The outer foil layer and the aluminium foil layer are made by 8011 aluminium sheets.
- 4. a kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle according to claim 1, it is special Sign is：The outer foil layer is made up of the aluminium foil Jing Guo porous type anodized, the thickness of the outer foil layer For 20 μm -50 μm.
- 5. a kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle according to claim 1, it is special Sign is：Described adhesive layer is made up of hot melt adhesive film or adhesive, and the thickness of described adhesive layer is 5 μm -20 μm.
- 6. a kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle according to claim 5, it is special Sign is：The adhesive is polyurethanes adhesive or epoxy resin adhesive.
- 7. a kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle according to claim 1, it is special Sign is：The resin film layer is made up of any one in polypropylene, nylon, polypropylene and cyclenes hydro carbons co-extrusion thing, described The thickness of resin film layer is 10 μm -30 μm.
- 8. a kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle according to claim 1, it is special Sign is：The aluminium foil layer is made up of the aluminium foil Jing Guo preservative treatment, and the thickness of the aluminium foil layer is 30 μm -40 μm.
- 9. a kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle according to claim 1, it is special Sign is：The thickness of the CPP layers is 30 μm -80 μm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720634116.XU CN207014902U (en) | 2017-06-02 | 2017-06-02 | A kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720634116.XU CN207014902U (en) | 2017-06-02 | 2017-06-02 | A kind of electrokinetic cell Soft Roll aluminum-plastic composite membrane for liquid-cooling type power vehicle |
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| CN207014902U true CN207014902U (en) | 2018-02-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037499A (en) * | 2018-07-27 | 2018-12-18 | 杭州中齐新材料科技有限公司 | A kind of new-energy automobile lithium battery flexible packing material |
-
2017
- 2017-06-02 CN CN201720634116.XU patent/CN207014902U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037499A (en) * | 2018-07-27 | 2018-12-18 | 杭州中齐新材料科技有限公司 | A kind of new-energy automobile lithium battery flexible packing material |
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Address after: 213000 No.20 Changyang Road, West Taihu science and Technology Industrial Park, Wujin District, Changzhou City, Jiangsu Province Patentee after: Xinlun new energy materials (Changzhou) Co.,Ltd. Address before: 213000 No.20 Changyang Road, West Taihu science and Technology Industrial Park, Wujin District, Changzhou City, Jiangsu Province Patentee before: SELEN COMPOSITE MATERIAL (CHANGZHOU) CO.,LTD. |