CN107437606A - A kind of electrolyte filling method of monomer high capacity polymer lithium ion battery - Google Patents
A kind of electrolyte filling method of monomer high capacity polymer lithium ion battery Download PDFInfo
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- CN107437606A CN107437606A CN201710629979.2A CN201710629979A CN107437606A CN 107437606 A CN107437606 A CN 107437606A CN 201710629979 A CN201710629979 A CN 201710629979A CN 107437606 A CN107437606 A CN 107437606A
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- 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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
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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 invention discloses a kind of electrolyte filling method of monomer high capacity polymer lithium ion battery, comprise the following steps：(1) battery is inserted in vacuum environment；(2) to the battery liquid-filling inserted in vacuum environment, liquid injection port is then sealed；(3) battery through the fluid injection is stood in the normal wet environment of normal pressure.The electrolyte filling method of the monomer high capacity polymer lithium ion battery of the present invention completes imbibition process by by battery direct fluid injection under vacuum conditions, sealing liquid injection port after fluid injection, being stood under the normal wet environment of normal pressure；One side battery completes fluid injection and sealing under vacuum conditions, electrolyte is set to have no chance to touch the moisture in air, substantially reducing deterioration of the moisture on battery performance influences, on the other hand only injection process need to is carried out under low moisture environments, stand imbibition process then to carry out under normal wet environment, so as to greatly save dehumidifying cost；And the electrolyte filling method fluid injection efficiency high, it is few to take resource.
Description
Technical field
The present invention relates to technical field of lithium ion, in particular to a kind of monomer high capacity polymer lithium ion
The electrolyte filling method of battery.
Background technology
The battery core and electrolyte, the battery core that lithium ion battery generally comprises battery case and is contained in battery container include
Positive pole, negative pole and the barrier film between positive pole and negative pole；Electrolyte plays conduction electricity between lithium ion cell positive, negative pole
The effect of son, is used as lithium-ion electric streaming medium in battery charge and discharge process, is that lithium ion battery obtains high voltage, high ratio
The guarantee of the advantages that energy.Therefore, in lithium ion battery production process, it is very important technological operation that fluid injection, which is stood,.Battery
After the completion of assembling, plating battery injection electrolyte, and the battery after fluid injection is stood, electrolyte fully infiltrated positive pole, born
Pole and barrier film；Electrolyte is formed fine and close, equal in lithium ion cell positive, negative terminal surface in battery initial charge activation
Even, stable SEI films (Sold Electrolyte Interface, solid electrolyte interface film).And the quality that SEI films are formed
The performance of direct relation lithium ion battery, positive pole after lithium ion battery liquid injection, negative pole, the effect of impregnation of barrier film and electrolyte are direct
The formational situation of SEI films is influenceed, so as to influence the chemical property of lithium ion battery.
The master operation flow of existing polymer Li-ion battery fluid injection is as follows：Fluid injection-vacuumize-stand-be evacuated
Sealing-battery discharge.Battery is placed in vacuum tank after fluid injection in conventional liquid injection process, by the air inside battery battery core
Take away, reduce battery core internal capillary application fluids osmotic resistance, this process needs the regular hour, typically wants 15 minutes at present
Left and right.Therefore, this method is only used for small-capacity cells, and small-capacity cells can be put in one simultaneously with tens even hundreds of
In individual vacuum tank, but if being high capacity cell, the particularly battery of monomer vast capacity is sufficiently bulky, if simultaneously several
Ten in addition hundreds of operate simultaneously, what vacuum tank can be big is surprising, it is difficult to realizes.
And the conventional whole technological process of fluid injection is required for operating under low dew point environment, though grasped under glove box environment
Make, if battery capacity is big, glove box efficiency is low, it will use substantial amounts of glove box, dehumidifying cost all increases.
The content of the invention
In view of this, the electrolyte filling method of a kind of monomer high capacity polymer lithium ion battery provided by the invention, preferably
The above-mentioned problems of the prior art and defect are overcome, one side battery completes fluid injection and sealing, makes electricity under vacuum conditions
Solution liquid has no chance to touch the moisture in air, and substantially reducing deterioration of the moisture on battery performance influences, on the other hand only
There need to be injection process to be carried out under low moisture environments, stand imbibition process and then carried out under normal wet environment, removed so as to greatly save
Wet cost；And the electrolyte filling method fluid injection efficiency high of the monomer high capacity polymer lithium ion battery of the present invention, it is few to take resource.
A kind of electrolyte filling method of monomer high capacity polymer lithium ion battery, comprises the following steps：
(1) battery is inserted in vacuum environment；
(2) to the battery liquid-filling inserted in vacuum environment, liquid injection port is then sealed；
(3) battery after standing above-mentioned fluid injection in the normal wet environment of normal pressure.
Further, in step (1), the battery is the battery after drying.
Further, in step (1), the humidity in the vacuum environment is less than 1%.
Further, in step (1), the battery slant setting in vacuum environment, the inclined angle be 5~
45°。
Further, in step (1), the vacuum of the vacuum environment is -0.05~-0.1MPa.
Further, in step (3), the battery slant setting is stood in the normal wet environment of normal pressure, the inclined angle
Spend for 1~10 °.
Further, in step (3), the standing process specifically includes：First by the face-up standing 5 of the battery~
20h, then the reverse side of the battery is stood into 5~20h upward.
Further, in step (3), during the standing, using clamping plate or fixture by the tow sides of the battery
Limiting locking.
Further, also include after step (3), the battery is subjected to air extracting seal.
Further, the width dimensions of the battery are more than 300mm, and the length dimension of the battery is more than 250mm, thickness
More than 5mm, the capacity of the battery is 100~3000Ah.
Compared with prior art, a kind of electrolyte filling method of monomer high capacity polymer lithium ion battery of the invention is beneficial
Effect is：
(1) electrolyte filling method of monomer high capacity polymer lithium ion battery of the invention, by by battery in vacuum environment
Direct fluid injection down, liquid injection port is sealed after fluid injection, is then log out vacuum environment, stood under the normal wet environment of normal pressure, complete imbibition
Journey；One side battery completes fluid injection and sealing under vacuum conditions, electrolyte is had no chance to touch the moisture in air, greatly
The big deterioration for reducing moisture to battery performance influences, and on the other hand only need to have injection process to be carried out under low moisture environments, stand
Imbibition process is then carried out under normal wet environment, so as to greatly save dehumidifying cost；And the monomer high capacity polymer of the present invention
The electrolyte filling method fluid injection efficiency high of lithium ion battery, it is few to take resource；
(2) further, battery is tiltedly put in injection process, can either ensures that the side that battery has sealed does not stress, and can
Ensure that electrolyte is smoothly flowed into inside battery battery core, it is simple and reliable；
(3) further, battery liquid-filling is stood after completing under the normal wet environment of normal pressure, will by using clamping plate or fixture
Battery two sides presss from both sides limiting locking, it can be ensured that battery will not excessively expand during imbibition inside battery battery core, so that shadow
The structure of battery battery core inner pole piece is rung, it is reliable and stable.
(4) further, battery is evacuated after standing, it can be ensured that battery is entering subsequent processing charging chemical conversion
When, without gas-liquid or gas-solid interface between pole piece and pole piece, lithium ion mobility more smoothly, improves battery performance during charging.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, make detailed
It is described as follows.
Embodiment
For the ease of understanding the present invention, technical scheme is elaborated with reference to the mode of embodiment,
Many details are elaborated in the following description in order to fully understand the present invention.
But the invention can be embodied in many other ways as described herein, those skilled in the art can be with
Similar improvement is done in the case of without prejudice to intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
Unless otherwise defined, all technologies used herein and scientific terminology have and the common skill of art of the present invention
The identical implication that art personnel are generally understood that.When contradiction be present, the definition in this specification is defined.
Term as used herein：
" by ... prepare " it is synonymous with "comprising".Term "comprising" used herein, " comprising ", " having ", " containing "
Or its any other deformation, it is intended that cover including for non-exclusionism.For example, composition, step, method comprising listed elements,
Product or device are not necessarily limited to those key elements, but can include not expressly listed other key elements or such a composition, step
Suddenly, method, product or the intrinsic key element of device.
Conjunction " by ... form " exclude any key element do not pointed out, step or component.If be used in claim,
This phrase will make claim be closed, it is not included the material in addition to the material of those descriptions, but relative
Except customary impurities.When phrase " by ... form " be rather than immediately following theme in the clause that appears in claim main body after
When, it is only limited to the key element described in the clause；Other key elements be not excluded as entirety the claim it
Outside.
Equivalent, concentration or other values or parameter are excellent with scope, preferred scope or a series of upper limit preferred values and lower limit
During the Range Representation that choosing value limits, this, which is appreciated that, specifically discloses by any range limit or preferred value and any scope
All scopes that any pairing of lower limit or preferred value is formed, regardless of whether the scope separately discloses.For example, when open
Scope " when 1~5 ", described scope should be interpreted as including scope " 1~4 ", " 1~3 ", " 1~2 ", " 1~2 and 4~
5 ", " 1~3 and 5 " etc..When number range is described herein, unless otherwise indicated, otherwise the scope is intended to include its end
Value and all integers and fraction within the range.
"and/or" is used to represent that one of illustrated situation or both may to occur, for example, A and/or B includes (A
And B) and (A or B)；
In addition, indefinite article " one kind " before key element of the present invention or component and "one" to key element or the quantitative requirement of component
(i.e. occurrence number) unrestriction.Therefore "one" or " one kind " should be read as including one or at least one, well and odd number
The key element or component of form also include plural form, unless the obvious purport of the quantity refers to singulative.
The invention provides a kind of electrolyte filling method of monomer high capacity polymer lithium ion battery, comprise the following steps：
(1) battery is inserted in vacuum environment；
(2) to the battery liquid-filling inserted in vacuum environment, liquid injection port is then sealed；
(3) battery after standing above-mentioned fluid injection in the normal wet environment of normal pressure.
Seen from the above description, the electrolyte filling method of monomer high capacity polymer lithium ion battery of the invention, by by electricity
Pond direct fluid injection under vacuum conditions, seals liquid injection port after fluid injection, is then log out vacuum environment, quiet under the normal wet environment of normal pressure
Put, complete imbibition process；Battery completes fluid injection and sealing under vacuum conditions, makes electrolyte have no chance to touch in air
Moisture, substantially reducing deterioration of the moisture on battery performance influences, and on the other hand only need to have injection process to enter under low moisture environments
OK, stand imbibition process then to carry out under normal wet environment, so as to greatly save dehumidifying cost；And the monomer Large Copacity of the present invention
The electrolyte filling method fluid injection efficiency high of polymer Li-ion battery, it is few to take resource.
Preferably, in step (1), the battery is the battery after drying.
It is understood that battery is dried before fluid injection, it is ensured that without residual moisture inside battery battery core, after avoiding
The electrolyte contacts residual moisture of continuous injection, so that degradation of cell performance.
Preferably, in step (1), the vacuum environment is closed vacuum electrolyte filling device, and battery is inserted into vacuum liquid filling
Before device, first battery is placed on a flat board, to facilitate battery to be put into or not influence battery when take out vacuum electrolyte filling device
Internal structure；The flat board can be enumerated as the epoxy resin plate that thickness is 5~10mm such as 5mm, 6mm, 7mm, 8mm, 9mm or 10mm.
Preferably, in step (1), the humidity in the vacuum environment is less than 1%.
Preferably, in step (1), for the battery slant setting in vacuum environment, the inclined angle is 5~45 °
Such as 5 °, 10 °, 15 °, 20 °, 25 °, 30 °, 35 °, 40 ° or 45 °.
Preferably, in step (1), the vacuum of the vacuum environment is -0.05~-0.1MPa such as -0.05MPa, -
0.06MPa, -0.07MPa, -0.08MPa, -0.09MPa or -0.10MPa.
Preferably, in step (3), the battery slant setting is stood in the normal wet environment of normal pressure, and the angle of inclination is 1
~10 ° such as 1 °, 2 °, 3 °, 4 °, 5 °, 6 °, 7 °, 8 °, 9 ° or 10 °.
It should be noted that tiltedly putting battery in injection process, it can either ensure that the side that battery has sealed does not stress, and can
Ensure that electrolyte is smoothly flowed into inside battery battery core, it is simple and reliable.
Preferably, in step (3), the standing process specifically includes：First by the face-up standing 5 of the battery~
20h such as 5h, 8h, 10h, 12h, 15h, 18h or 20h etc., then by the reverse side of the battery stand upward 5~15h such as 5h, 8h,
10h, 12h, 15h, 18h or 20h etc..
Preferably, in step (3), during the standing, the tow sides of the battery are limited using clamping plate or fixture
Position locking.
It is above-mentioned, it is to be understood that battery liquid-filling is stood after completing under the normal wet environment of normal pressure, by using clamping plate or
Battery two sides is pressed from both sides limiting locking by fixture, it can be ensured that and battery will not excessively expand during imbibition inside battery battery core,
So that the structure of battery battery core inner pole piece is influenceed, it is reliable and stable.
Preferably, also include after step (3), the battery is subjected to air extracting seal.
It is above-mentioned, it is to be understood that battery is evacuated after standing, it can be ensured that battery is entering subsequent processing charging
During chemical conversion, without gas-liquid or gas-solid interface between pole piece and pole piece, lithium ion mobility more smoothly, improves battery performance during charging.
Preferably, the width of the battery is more than 300mm, and length is more than 250mm, and thickness is more than 5mm, the appearance of the battery
Measure as 100~3000Ah such as 100Ah, 300Ah, 500Ah, 1100Ah, 1500Ah, 2000Ah, 2500 or 3000Ah etc..
For the ease of understanding the present invention, technical scheme is further illustrated with reference to embodiment.Applicant
Statement, the present invention illustrate the detailed process equipment of the present invention and technological process, but not office of the invention by above-described embodiment
It is limited to above-mentioned detailed process equipment and technological process, that is, does not mean that the present invention should rely on above-mentioned detailed process equipment and technique stream
Cheng Caineng is implemented.Person of ordinary skill in the field is it will be clearly understood that any improvement in the present invention, to each original of product of the present invention
The equivalence replacement of material and the addition of auxiliary element, the selection of concrete mode etc., all fall within protection scope of the present invention and open model
Within enclosing.
Embodiment 1
(1) ferric phosphate lithium cell that monomer capacity is 100Ah is taken to dry, the volume of the battery is：Length is 330mm, wide
Spend for 460mm, thickness 8.5mm；The battery is firstly placed on a flat board, the flat board is the epoxy resin plate that thickness is 5mm；So
Battery Lianping plate is put into together in the vacuum electrolyte filling device cavity that humidity is 0.5% afterwards, battery is in 45° angle in vacuum plant
Slant setting, vacuum electrolyte filling device is set to keep closed state.
(2) vacuumized by the hole that vacuumizes on vacuum electrolyte filling device, unlatching, the vacuum in vacuum electrolyte filling device cavity
When degree reaches -0.05MPa, stop vacuumizing.
(3) 0.55kg electrolyte is injected to battery battery core inside using liquid injection port of the liquid injection pipe through battery, then sealing should
Liquid injection port.
(4) after vacuum electrolyte filling device being carried out into pressure release, the battery after above-mentioned fluid injection is taken out, using clamping plate by the two of battery
Face limiting locking, battery front side is tilted 5 ° of angles upward and place, stand 5h under the normal wet environment of normal pressure, equally make battery again
Reverse side stands 5h upward；Battery is subjected to vacuum suction sealing after standing.
Embodiment 2
(1) the ternary lithium battery that monomer capacity is 300Ah is taken to dry, the volume of the battery is：Length is 435mm, width
For 780mm, thickness 10.5mm；The battery is firstly placed on a flat board, the flat board is the epoxy resin plate that thickness is 5mm；So
Battery Lianping plate is put into together in the vacuum electrolyte filling device cavity that humidity is 0.5% afterwards, battery is in 35 ° of angles in vacuum plant
Slant setting, vacuum electrolyte filling device is set to keep closed state.
(2) vacuumized by the hole that vacuumizes on vacuum electrolyte filling device, unlatching, the vacuum in vacuum electrolyte filling device cavity
When degree reaches -0.06MPa, stop vacuumizing.
(3) 0.96kg electrolyte is injected to battery battery core inside using liquid injection port of the liquid injection pipe through battery, then sealing should
Liquid injection port.
(4) after vacuum electrolyte filling device being carried out into pressure release, the battery after above-mentioned fluid injection is taken out, using clamping plate by the two of battery
Face limiting locking, battery front side is tilted 5 ° of angles upward and place, stand 8h under the normal wet environment of normal pressure, equally make battery again
Reverse side stands 8h upward；Battery is subjected to vacuum suction sealing after standing.
Embodiment 3
(1) ferric phosphate lithium cell that monomer capacity is 500Ah is taken to dry, the volume of the battery is：Length is 435mm, wide
Spend for 800mm, thickness 23mm；The battery is firstly placed on a flat board, the flat board is the epoxy resin plate that thickness is 8mm；So
Battery Lianping plate is put into together in the vacuum electrolyte filling device cavity that humidity is 0.1% afterwards, battery is in 30 ° of angles in vacuum plant
Slant setting, vacuum electrolyte filling device is set to keep closed state.
(2) vacuumized by the hole that vacuumizes on vacuum electrolyte filling device, unlatching, the vacuum in vacuum electrolyte filling device cavity
When degree reaches -0.07MPa, stop vacuumizing.
(3) 3kg electrolyte is injected to battery battery core inside using liquid injection port of the liquid injection pipe through battery, then seals the fluid injection
Mouthful.
(4) after vacuum electrolyte filling device being carried out into pressure release, the battery after above-mentioned fluid injection is taken out, using clamping plate by the two of battery
Face limiting locking, battery front side is tilted 3 ° of angles upward and place, 10h is stood under the normal wet environment of normal pressure, equally make battery electric again
Pond reverse side stands 10h upward；Battery is subjected to vacuum suction sealing after standing.
Embodiment 4
(1) ferric phosphate lithium cell that monomer capacity is 1100Ah is taken to dry, the volume of the battery is：Length is 470mm, wide
Spend for 815mm, thickness 45mm；The battery is firstly placed on a flat board, the flat board is the epoxy resin plate that thickness is 10mm；So
Battery Lianping plate is put into together in the vacuum electrolyte filling device cavity that humidity is 0.8% afterwards, battery is in 30 ° of angles in vacuum plant
Slant setting, vacuum electrolyte filling device is set to keep closed state.
(2) vacuumized by the hole that vacuumizes on vacuum electrolyte filling device, unlatching, the vacuum in vacuum electrolyte filling device cavity
When degree reaches -0.08MPa, stop vacuumizing.
(3) 5.72kg electrolyte is injected to battery battery core inside using liquid injection port of the liquid injection pipe through battery, then sealing should
Liquid injection port.
(4) after vacuum electrolyte filling device being carried out into pressure release, the battery after above-mentioned fluid injection is taken out, using clamping plate by the two of battery
Face limiting locking, battery front side is tilted 8 ° of angles upward and place, 12h is stood under the normal wet environment of normal pressure, equally make battery electric again
Pond reverse side stands 12h upward；Battery is subjected to vacuum suction sealing after standing.
Embodiment 5
(1) ferric phosphate lithium cell that monomer capacity is 2000Ah is taken to dry, the volume of the battery is：Length is 600mm, wide
Spend for 910mm, thickness 43mm；The battery is firstly placed on a flat board, the flat board is the epoxy resin plate that thickness is 10mm；So
Battery Lianping plate is put into together in the vacuum electrolyte filling device cavity that humidity is 0.8% afterwards, battery is in 20 ° of angles in vacuum plant
Slant setting, vacuum electrolyte filling device is set to keep closed state.
(2) vacuumized by the hole that vacuumizes on vacuum electrolyte filling device, unlatching, the vacuum in vacuum electrolyte filling device cavity
When degree reaches -0.09MPa, stop vacuumizing.
(3) 10.4kg electrolyte is injected to battery battery core inside using liquid injection port of the liquid injection pipe through battery, then sealing should
Liquid injection port.
(4) after vacuum electrolyte filling device being carried out into pressure release, the battery after above-mentioned fluid injection is taken out, using clamping plate by the two of battery
Face limiting locking, battery front side is tilted 5 ° of angles upward and place, 15h is stood under the normal wet environment of normal pressure, equally make battery electric again
Pond reverse side stands 15h upward；Battery is subjected to vacuum suction sealing after standing.
Embodiment 6
(1) ferric phosphate lithium cell that monomer capacity is 2500Ah is taken to dry, the volume of the battery is：Length is 600mm, wide
Spend for 1000mm, thickness 50mm；The battery is firstly placed on a flat board, the flat board is the epoxy resin plate that thickness is 10mm；
Then battery Lianping plate is put into together in the vacuum electrolyte filling device cavity that humidity is 0.6%, battery is in 20 ° in vacuum plant
Overturning angle is placed, and vacuum electrolyte filling device is kept closed state.
(2) vacuumized by the hole that vacuumizes on vacuum electrolyte filling device, unlatching, the vacuum in vacuum electrolyte filling device cavity
When degree reaches -0.1MPa, stop vacuumizing.
(3) 13kg electrolyte is injected to battery battery core inside using liquid injection port of the liquid injection pipe through battery, then seals the note
Liquid mouth.
(4) after vacuum electrolyte filling device being carried out into pressure release, the battery after above-mentioned fluid injection is taken out, using clamping plate by the two of battery
Face limiting locking, battery front side is tilted 5 ° of angles upward and place, 20h is stood under the normal wet environment of normal pressure, equally make battery electric again
Pond reverse side stands 20h upward；Battery is subjected to vacuum suction sealing after standing.
The preferred embodiments of the present invention are above are only, are not intended to limit the invention, for those skilled in the art
For member, inventive formulation and preparation technology can have various modifications and variations.Within the spirit and principles of the invention, institute
Any modification, equivalent substitution and improvements of work etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. electrolyte filling method of monomer high capacity polymer lithium ion battery, it is characterised in that：Comprise the following steps：(1) battery is inserted in vacuum environment；(2) to the battery liquid-filling inserted in vacuum environment, liquid injection port is then sealed；(3) battery through the fluid injection is stood in the normal wet environment of normal pressure.
- 2. the electrolyte filling method of monomer high capacity polymer lithium ion battery according to claim 1, it is characterised in that：Step (1) in, the battery is the battery after drying.
- 3. the electrolyte filling method of monomer high capacity polymer lithium ion battery according to claim 1, it is characterised in that：Step (1) in, the humidity in the vacuum environment is less than 1%.
- 4. the electrolyte filling method of monomer high capacity polymer lithium ion battery according to claim 1, it is characterised in that：Step (1) in, for the battery slant setting in vacuum environment, the inclined angle is 5~45 °.
- 5. the electrolyte filling method of monomer high capacity polymer lithium ion battery according to claim 1, it is characterised in that：Step (1) in, the vacuum of the vacuum environment is -0.05~-0.1MPa.
- 6. the electrolyte filling method of monomer high capacity polymer lithium ion battery according to claim 1, it is characterised in that：Step (3) in, the battery slant setting is stood in the normal wet environment of normal pressure, and the inclined angle is 1~10 °.
- 7. the electrolyte filling method of monomer high capacity polymer lithium ion battery according to claim 6, it is characterised in that：Step (3) in, the standing process specifically includes：First by face-up 5~20h of standing of the battery, then by the anti-of the battery 5~20h is stood up.
- 8. the electrolyte filling method of monomer high capacity polymer lithium ion battery according to claim 1, it is characterised in that：Step (3) in, during the standing, using clamping plate or fixture by the tow sides limiting locking of the battery.
- 9. the electrolyte filling method of monomer high capacity polymer lithium ion battery according to claim 1, it is characterised in that：Step (3) also include after, the battery is subjected to air extracting seal.
- 10. the electrolyte filling method of monomer high capacity polymer lithium ion battery according to claim 1, it is characterised in that：Institute The width dimensions for stating battery are more than 300mm, and the length dimension of the battery is more than 250mm, and thickness is more than 5mm, the battery Capacity is 100~3000Ah.
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Cited By (5)
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| CN108598357A (en) * | 2018-05-09 | 2018-09-28 | 江苏海四达电源股份有限公司 | Electrolyte filling method for lithium ion battery |
| CN108615848A (en) * | 2018-04-28 | 2018-10-02 | 贵州贵航新能源科技有限公司 | Put formula lithium battery electrolyte filling method in side |
| CN109742455A (en) * | 2018-12-24 | 2019-05-10 | 深圳市量能科技有限公司 | A kind of production method of lithium ion battery |
| CN110165118A (en) * | 2019-01-09 | 2019-08-23 | 比亚迪股份有限公司 | Battery pack, vehicle and energy storage device |
| CN111934019A (en) * | 2020-06-29 | 2020-11-13 | 宁波新思创机电科技股份有限公司 | Rapid formation method of power soft-package polymer lithium ion battery |
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