CN109065772A - A kind of movement packaging technology of soft-package battery - Google Patents
A kind of movement packaging technology of soft-package battery Download PDFInfo
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- CN109065772A CN109065772A CN201810224007.XA CN201810224007A CN109065772A CN 109065772 A CN109065772 A CN 109065772A CN 201810224007 A CN201810224007 A CN 201810224007A CN 109065772 A CN109065772 A CN 109065772A
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- 238000012536 packaging technology Methods 0.000 title claims abstract description 20
- 239000003792 electrolyte Substances 0.000 claims abstract description 80
- 238000005538 encapsulation Methods 0.000 claims abstract description 25
- 230000009471 action Effects 0.000 claims abstract description 10
- 230000001133 acceleration Effects 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000012785 packaging film Substances 0.000 claims description 15
- 229920006280 packaging film Polymers 0.000 claims description 15
- 239000012141 concentrate Substances 0.000 claims description 12
- 210000000746 body region Anatomy 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 15
- 235000008504 concentrate Nutrition 0.000 description 11
- 239000007788 liquid Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000012858 packaging process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 235000014666 liquid concentrate Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Primary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a kind of movement packaging technology of soft-package battery, include the following steps: to be carried to package position 1), by battery to be wrapped, after being fixed on the positioning, battery to be wrapped is driven to be moved；2), battery to be wrapped is vacuumized, entirety or battery local location outside battery to be wrapped is set to form negative pressure state, 3), stab with a bayonet relieving stagnant Qi bag, and under the action of negative pressure, the gas in battery to be wrapped interior packing film is squeezed out inside battery region；4), selective that pressure is applied to battery body to be packaged, it is therefore an objective to preferably to control cell thickness；5), battery is packaged with the end socket of heating, battery movement stops when encapsulation or after the completion of encapsulation.The present invention does straight line, curve, upper and lower or horizontal direction reciprocal vibration or circular motion using drive battery, and pushes electrolyte to move to inside battery direction by acceleration and deceleration and uniform motion, reduces or prevent the quantity that electrolyte is extracted.
Description
Technical field
The present invention relates to soft-package battery encapsulation technology field more particularly to a kind of movement packaging technologies of soft-package battery.
Background technique
Soft-package battery (battery core) is generally by polymer battery core, electrolyte and outer packaging film (usually aluminum plastic film) structure
At before cell package process, outer packaging film forms confined space, and packaging film has wrapped up battery core, also reserved airbag
(or gasbag), convenient for accommodating the gas generated inside battery core.
Chemical conversion before cell package and battery core and electrolyte can be promoted to generate relatively adequately chemical reaction at chemical industry sequence, and
Portion gas is discharged, this portion gas can be gathered in closed packaging film, if the gas long period that battery generates
It is retained in battery packaging film, this is very harmful to battery, so needing to rush to the gas being enclosed in outer packaging
Air-cuff placement by puncturing the packaging film of air-cuff placement and extracting the gas of inside battery, and avoids in extraction battery as far as possible
Electrolyte, then battery is encapsulated again, and cut off extra air-cuff placement packaging film, obtain inside almost without gas
The battery that body is remained and is fully sealed.
What the pumping (extract battery packages inside gas) of existing battery (battery core) and packaging process were generally taken is
In battery under subnormal ambient, battery itself remains static, after bayonet punctures the outer packing of air-cuff placement, due to battery outside
Portion is in negative pressure state, normal pressure is in battery packages, the gas in battery can be released, while partial electrolyte liquid
Also outside batteries can be spilt into gas, and the amount that electrolyte overflows is random.In existing pumping packaging technology item
The amount for being extracted and wasting of the electrolyte of every piece of soft-package battery accounts for about 15% of reservoir quantity or more under part.The problem of directly resulting in
Point is as follows:
1, the weight for staying in the electrolyte of inside battery is uncontrollable, can there is biggish difference, battery electrolyte ownership
Difference can directly result in the performance indicator of same money battery there are biggish difference, and this difference is uncontrollable, seriously affects battery
Service life and stability.
2, due to cannot effectively ensure the consistency of liquid measure, the battery of high-energy density can not be produced.
It 3,, can only be toward battery in order to guarantee that inside battery has enough electrolyte due to the randomness of the spilling of electrolyte
Excessive electrolyte is injected in inside, directly results in wastage of material in this way, increases lithium battery production cost.
4, when post package is completed in pumping, there may be partial electrolyte liquid to be in package position, cause package position to occur empty
Envelope generates battery substandard products or waste product.
5, since electrolyte itself has certain corrosivity, excessive electrolyte extraction will lead to pollution outside batteries packet
Dress and pollution damage corrosion part of appliance, influence operating environment, influence Health Status For Workers Exposed.
Summary of the invention
The purpose of the present invention is to provide a kind of movement packaging technologies of soft-package battery, hence it is evident that improves electrolyte ownership
Consistency reduces the reservoir quantity of battery, reduces external contamination of the electrolyte to soft-package battery, it is residual in seal position to reduce electrolyte
A possibility that staying improves the reliability of seal, improves the air quality of workshop, protection soft-package battery practitioner health.
A kind of movement packaging technology of soft-package battery according to an embodiment of the present invention, includes the following steps:
1) battery to be wrapped, is carried to package position, after being fixed on the positioning, battery to be wrapped is driven to be moved；
2), while battery moves, battery to be wrapped is vacuumized, makes entirety or battery outside battery to be wrapped
Local location forms negative pressure state, and the electrolyte and gas inside battery to be wrapped are basically separated under the action of movement, is electrolysed
Liquid concentrates on battery body region, and gas concentrates on battery airbag region；
3), stab with a bayonet relieving stagnant Qi bag, and under the action of negative pressure, the gas in battery to be wrapped interior packing film is squeezed out
Inside battery region；
4) selective that pressure is applied to battery body to be packaged, according to the needs of specific battery, it is therefore an objective to preferably control
Cell thickness processed；
5), battery is packaged with the end socket of heating, makes the packaging film close adhesion of battery, forms inside battery entirely
Enclosed environment, battery movement stops when encapsulation or after the completion of encapsulation.
On the basis of above scheme, the motion mode of the battery to be wrapped in the step 1) is the acceleration and deceleration of straight line and even
Speed movement.
On the basis of above scheme, the motion mode of the battery to be wrapped in the step 1) further includes up and down direction or water
Square to or other inclined directions on reciprocating motion.
On the basis of above scheme, the motion mode of the battery to be wrapped in the step 1) further includes circumference or curve
Acceleration and deceleration motion and uniform motion.
On the basis of above scheme, the vacuum degree vacuumized in the step 2) is -50Kpa to -100Kpa.
On the basis of above scheme, effect inertia force on the electrolyte or centrifugal force are greater than or substantially in the step 3)
It is equal to negative pressure to the active force of electrolyte, electrolyte is still pushed in inside battery region.
It is 0MPa to 2MPa to the pressure that battery body to be packaged applies in the step 4) on the basis of above scheme.
The process sequence of step 1) to step 4) can be adjusted according to the needs of production.This technique is using drive battery
(battery core) does straight line, curve, vibration or circular motion, and by acceleration and deceleration and at the uniform velocity pushes the electrolyte to transport to inside battery
It is dynamic, to improve the consistency of electrolyte ownership, reduce or prevent the quantity that electrolyte is extracted.
Compared with the prior art, the invention has the beneficial effects that:
1, the consistency of electrolyte ownership is significantly improved, the ownership CPK of prior art is about 0.5 to 0.8, using new
The electrolyte ownership CPK of technique can achieve 1.33 or more, greatly improve the technological level of encapsulation.
2, it due to can effectively improve the consistency of electrolyte ownership, is provided reliably to make the battery of high-energy density
Technique guarantee.
3, the reservoir quantity for effectively reducing battery reduces Soft Roll electricity than the reservoir quantity that prior art reduces 15% or more
Pond manufacturing cost, reduces the wasting of resources.If pressing the efficiency of 9PPM using this technique, electrolyte ownership presses the electricity of 5g
Pond calculates, and can save within 1 year 18 to 220,000 yuans of electrolyte expense, economic benefit is obvious.
4, reduce external contamination of the electrolyte to soft-package battery, reduce corrosion and damage of the electrolyte to part of appliance.
The pollution damage bring for reducing equipment produces the dead time, improves prouctiveness.
5, electrolyte is reduced a possibility that seal position remains, and the reliability for improving seal improves workshop
Air quality, protection soft-package battery practitioner health.
Detailed description of the invention
Fig. 1 is that the existing Automatic-bleeding of the present invention is packaged into molded line equipment guarantor's liquid measure CPK figure；
Fig. 2 is that sports type lithium battery Automatic-bleeding sealed in unit of the present invention protects liquid measure CPK figure；
Fig. 3 is normal (ZC) the encapsulation group battery of the present invention and movement (YD) encapsulation group cycle performance of battery comparison diagram.
Specific embodiment
To further understand the features of the present invention, technological means and concrete function achieved, below with specific implementation
The invention will be described in further detail for mode.
Embodiment 1
The movement packaging technology for present embodiments providing a kind of soft-package battery, includes the following steps:
1) battery to be wrapped, is carried to package position, after being fixed on the positioning, battery to be wrapped is driven to be moved；
2), outside batteries to be packaged are vacuumized, vacuum degree is -88Kpa, makes battery to be wrapped outside or local position
It sets to form negative pressure state, the electrolyte and gas inside battery to be wrapped are basically separated, and electrolyte concentrates on battery body region,
Gas concentrates on airbag region；
3), stab with a bayonet relieving stagnant Qi bag, and gas under the action of negative pressure in battery to be wrapped packaging film is squeezed out battery
Region acts on inertia force or centrifugal force on the electrolyte and is greater than or is equal negative pressure to the active force of electrolyte, and electrolyte is still
It is pushed in inside battery region；
4) 0.33MPa pressure, is applied to battery body to be packaged；
5), battery is packaged with the end socket of heating, battery movement stops when encapsulation or after encapsulation.
Embodiment 2
The movement packaging technology for present embodiments providing a kind of soft-package battery, includes the following steps:
1) battery to be wrapped, is carried to package position, after being fixed on the positioning, battery to be wrapped is driven to be moved；
2), outside batteries to be packaged are vacuumized, vacuum degree is -90Kpa, makes battery to be wrapped outside or local position
It sets to form negative pressure state, the electrolyte and gas inside battery to be wrapped are basically separated, and electrolyte concentrates on battery body region,
Gas concentrates on airbag region；
3), stab with a bayonet relieving stagnant Qi bag, and gas under the action of negative pressure in battery to be wrapped packaging film is squeezed out battery
Region acts on inertia force or centrifugal force on the electrolyte and is greater than or is equal negative pressure to the active force of electrolyte, and electrolyte is still
It is pushed in inside battery region；
4) 0.4MPa pressure, is applied to battery body to be packaged；
5), battery is packaged with the end socket of heating, battery movement stops when encapsulation or after encapsulation.
Embodiment 3
The movement packaging technology for present embodiments providing a kind of soft-package battery, includes the following steps:
1) battery to be wrapped, is carried to package position, after being fixed on the positioning, battery to be wrapped is driven to be moved；
2), outside batteries to be packaged are vacuumized, vacuum degree is -88Kpa, makes battery to be wrapped outside or local position
It sets to form negative pressure state, the electrolyte and gas inside battery to be wrapped are basically separated, and electrolyte concentrates on battery body region,
Gas concentrates on airbag region；
3), stab with a bayonet relieving stagnant Qi bag, and gas under the action of negative pressure in battery to be wrapped packaging film is squeezed out battery
Region acts on inertia force or centrifugal force on the electrolyte and is greater than or is equal negative pressure to the active force of electrolyte, and electrolyte is still
It is pushed in inside battery region；
4) 0.6MPa pressure, is applied to battery body to be packaged；
5), battery is packaged with the end socket of heating, battery movement stops when encapsulation or after encapsulation.
Embodiment 4
The movement packaging technology for present embodiments providing a kind of soft-package battery, includes the following steps:
1) battery to be wrapped, is carried to package position, after being fixed on the positioning, battery to be wrapped is driven to be moved；
2), outside batteries to be packaged are vacuumized, vacuum degree is -84Kpa, makes battery to be wrapped outside or local position
It sets to form negative pressure state, the electrolyte and gas inside battery to be wrapped are basically separated, and electrolyte concentrates on battery body region,
Gas concentrates on airbag region；
3), stab with a bayonet relieving stagnant Qi bag, and gas under the action of negative pressure in battery to be wrapped packaging film is squeezed out battery
Region acts on inertia force or centrifugal force on the electrolyte and is greater than or is equal negative pressure to the active force of electrolyte, and electrolyte is still
It is pushed in inside battery region；
4) 0.25MPa pressure, is applied to battery body to be packaged；
5), battery is packaged with the end socket of heating, battery movement stops when encapsulation or after encapsulation.
Embodiment 5
The movement packaging technology for present embodiments providing a kind of soft-package battery, includes the following steps:
1) battery to be wrapped, is carried to package position, after being fixed on the positioning, battery to be wrapped is driven to be moved；
2), outside batteries to be packaged are vacuumized, vacuum degree is -86Kpa, makes battery to be wrapped outside or local position
It sets to form negative pressure state, the electrolyte and gas inside battery to be wrapped are basically separated, and electrolyte concentrates on battery body region,
Gas concentrates on airbag region；
3), stab with a bayonet relieving stagnant Qi bag, and gas under the action of negative pressure in battery to be wrapped packaging film is squeezed out battery
Region acts on inertia force or centrifugal force on the electrolyte and is greater than or is equal negative pressure to the active force of electrolyte, and electrolyte is still
It is pushed in inside battery region；
4) 0.20MPa pressure, is applied to battery body to be packaged；
5), battery is packaged with the end socket of heating, battery movement stops when encapsulation or after encapsulation.
Battery uses following several motion modes in above-mentioned all embodiments:
1, the acceleration and deceleration of straight line and uniform motion push electrolyte to be retained in inside battery；
2, the reciprocal vibration of up and down direction or horizontal direction or movement progress electrolyte are retained in inside battery；
3, the acceleration and deceleration of circumference or curve and uniform motion push electrolyte to be retained in inside battery.
The inertia generated when being moved using battery pushes electrolyte to enter inside battery and replace on inside battery space
Inside battery gas out allows gas to be easier to be extracted after puncturing battery outer packing；
It is by outside batteries spatial manipulation into negative pressure state, at this time the gas meeting of inside battery when conventional battery is evacuated
Opposite barotropic state is formed, the pressure difference generated at this time will push electric pool gas and electrolyte and move towards negative pressure space direction,
Therefore it will cause electrolyte to be randomly selected.
This technique is by making battery (battery core) to move generated inertia or centrifugal force pulls electrolyte towards inside battery
Direction movement, it is therefore an objective to slow down or prevent electrolyte by pressure difference and squeeze out inside battery.
It is detected according to the encapsulated result of above-described embodiment and shows that this technique has the effect that
1. significantly improving the consistency of electrolyte ownership, the CPK value of the ownership of prior art is about 0.5 to 0.8, is adopted
It can achieve 1.33 or more with the electrolyte ownership CPK of new process, greatly improve the technological level of encapsulation.
It is the battery electrolyte ownership contrasting data for moving packaging technology and conventional automatic packaging technique below:
2. being provided reliably due to the consistency that can effectively improve electrolyte ownership to make the battery of high-energy density
Technique guarantee, from circulating battery charge and discharge test in view of, campaign-styled encapsulation
Technique is substantially better than conventional packaging process, it will be apparent that extends battery charge and discharge number.
It is the circulating battery test record of conventional encapsulation and movement encapsulation below:
According to the battery data of actual measurement, we use 85% capacity as standard reference, and the battery encapsulated under motion state can
The battery of circulation 900 times, usual manner encapsulation only recycles 600 times.
3. the reservoir quantity of battery is effectively reduced, than the reservoir quantity that prior art reduces 15% or more, reduce Soft Roll electricity
Pond (battery core) manufacturing cost, reduces the wasting of resources.If pressing the efficiency of 9PPM using this technique, ownership presses the electricity of 5g
Pond calculates, and can save within 1 year 200000 yuans of electrolyte expense, economic benefit is obvious.
4. reduce external contamination of the electrolyte to soft-package battery (battery core), reduce electrolyte to the corrosion of part of appliance and
Damage.The pollution damage bring for reducing equipment produces the dead time, improves prouctiveness.
5. reducing electrolyte a possibility that seal position remains, the reliability of seal is improved
6. improving the air quality of workshop, protection soft-package battery (battery core) practitioner health.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of movement packaging technology of soft-package battery, which comprises the steps of:
1) battery to be wrapped, is carried to package position, after being fixed on the positioning, battery to be wrapped is driven to be moved；
2), while battery moves, battery to be wrapped is vacuumized, makes entirety or battery part outside battery to be wrapped
Position forms negative pressure state, and the electrolyte and gas inside battery to be wrapped are basically separated under the action of movement, electrolyte collection
In in battery body region, gas concentrates on battery airbag region；
3), stab with a bayonet relieving stagnant Qi bag, and under the action of negative pressure, the gas in battery to be wrapped packaging film is squeezed out inside battery
Region；
4) selective that pressure is applied to battery body to be packaged, according to the needs of specific battery, it is therefore an objective to preferably control electricity
Pond thickness；
5), battery is packaged with the end socket of heating, makes the packaging film close adhesion of battery, forms inside battery totally-enclosed
Environment, battery movement stops when encapsulation or after the completion of encapsulation.
2. a kind of movement packaging technology of soft-package battery according to claim 1, which is characterized in that in the step 1)
The motion mode of battery to be wrapped is acceleration and deceleration and the uniform motion of straight line.
3. a kind of movement packaging technology of soft-package battery according to claim 2, which is characterized in that in the step 1)
The motion mode of battery to be wrapped further includes the reciprocating motion in up and down direction or horizontal direction.
4. a kind of movement packaging technology of soft-package battery according to claim 3, which is characterized in that in the step 1)
The motion mode of battery to be wrapped further includes acceleration and deceleration and the uniform motion of circumference or curve.
5. a kind of movement packaging technology of soft-package battery according to claim 1, which is characterized in that taken out in the step 2)
The vacuum degree of vacuum is -50Kpa to -100Kpa.
6. a kind of movement packaging technology of soft-package battery according to claim 1, which is characterized in that make in the step 3)
With on the electrolyte because inertia force or centrifugal force that battery movement generates are greater than or effect of the substantially equivalent negative pressure to electrolyte
Power, electrolyte are still pushed in inside battery region.
7. a kind of movement packaging technology of soft-package battery according to claim 1, which is characterized in that right in the step 4)
The pressure that battery to be wrapped ontology applies is 0MPa to 2MPa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810224007.XA CN109065772A (en) | 2018-03-19 | 2018-03-19 | A kind of movement packaging technology of soft-package battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810224007.XA CN109065772A (en) | 2018-03-19 | 2018-03-19 | A kind of movement packaging technology of soft-package battery |
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| CN109860722A (en) * | 2019-02-22 | 2019-06-07 | 天津力神电池股份有限公司 | A kind of electrolyte method for implanting of lithium battery |
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| CN110635171A (en) * | 2019-09-09 | 2019-12-31 | 惠州锂威新能源科技有限公司 | Battery cell packaging system and packaging method for high-content electrolyte |
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| CN109860722A (en) * | 2019-02-22 | 2019-06-07 | 天津力神电池股份有限公司 | A kind of electrolyte method for implanting of lithium battery |
| CN109860722B (en) * | 2019-02-22 | 2022-04-05 | 天津力神电池股份有限公司 | Electrolyte injection method of lithium battery |
| CN110265703A (en) * | 2019-06-21 | 2019-09-20 | 珠海冠宇电池有限公司 | A kind of two envelope techniques of soft-package battery |
| CN110416599A (en) * | 2019-08-06 | 2019-11-05 | 珠海冠宇电池有限公司 | It is centrifuged two envelope machine battery ontology platen pressure dynamic adjusting devices and method of adjustment |
| CN110416599B (en) * | 2019-08-06 | 2020-09-15 | 珠海冠宇电池股份有限公司 | Dynamic pressure adjusting device and method for battery body pressing plate of centrifugal secondary sealing machine |
| CN110459809A (en) * | 2019-08-13 | 2019-11-15 | 广东鸿宝科技有限公司 | Lithium battery is centrifuged packaging mechanism and secondly envelope machine |
| CN110459809B (en) * | 2019-08-13 | 2024-05-28 | 广东鸿宝科技有限公司 | Centrifugal packaging mechanism for lithium battery and secondary packaging machine thereof |
| CN110635171A (en) * | 2019-09-09 | 2019-12-31 | 惠州锂威新能源科技有限公司 | Battery cell packaging system and packaging method for high-content electrolyte |
| CN111430822A (en) * | 2020-03-26 | 2020-07-17 | 信义电源(苏州)有限公司 | Lithium battery formation method |
| CN111430822B (en) * | 2020-03-26 | 2021-10-26 | 信义电源(苏州)有限公司 | Lithium battery formation method |
| CN111540957A (en) * | 2020-05-09 | 2020-08-14 | 珠海冠宇电池股份有限公司 | Method and device for infiltrating battery cell with electrolyte |
| CN111540957B (en) * | 2020-05-09 | 2021-09-14 | 珠海冠宇电池股份有限公司 | Method and device for infiltrating battery cell with electrolyte |
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