CN106571442A - Liquid injection device and liquid injection method of polymer lithium battery electrolyte - Google Patents
Liquid injection device and liquid injection method of polymer lithium battery electrolyte Download PDFInfo
- Publication number
- CN106571442A CN106571442A CN201610951354.3A CN201610951354A CN106571442A CN 106571442 A CN106571442 A CN 106571442A CN 201610951354 A CN201610951354 A CN 201610951354A CN 106571442 A CN106571442 A CN 106571442A
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- Prior art keywords
- vacuum
- electrolyte
- liquid injection
- liquid filling
- battery
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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
-
- 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
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
- H01M50/627—Filling ports
- H01M50/636—Closing or sealing filling ports, e.g. using lids
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The invention provides a liquid injection device and a liquid injection method of polymer lithium battery electrolyte. The liquid injection device comprises a plurality of vacuum liquid injection chambers; the bottom of each vacuum liquid injection chamber is connected with a vacuum pipeline, and the other end of the vacuum pipeline is connected with a vacuum pump; the top of each vacuum liquid injection chamber is connected with a liquid injection pipeline; each branch end, inserted into a corresponding vacuum liquid injection chamber, of the liquid injection pipeline is fixedly provided with a liquid injection needle, and the other main end of the liquid injection pipeline is connected with a liquid storage chamber; a liquid injection pump is arranged on each branch pipeline used for connecting the liquid storage chamber with the corresponding vacuum liquid injection chamber; a plurality of vacuum chucks are arranged in each vacuum liquid injection chamber; combination of the vacuum chucks is capable of opening gas bags of batteries, and the liquid injection needles are inserted into the gas bags for injection; and the chamber wall of each vacuum liquid injection chamber is connected with a pressure releasing channel. The liquid injection device and the liquid injection method are capable of accelerating wetting velocity of positive and negative plates and diaphragm by electrolyte in liquid injection process, and increasing production capacity.
Description
Technical field
The invention belongs to battery processing technique field, a kind of priming device more particularly, to soft package lithium battery electrolyte and
Electrolyte filling method.
Background technology
Lithium battery relies primarily on lithium ion movement between a positive electrode and a negative electrode and carrys out work, the lithium ion in charge and discharge process
Embedded and deintercalation, therefore the great shadow of infiltration degree of electrolyte and positive/negative plate are come and gone by electrolyte between two electrodes
Ring every electrical property of lithium battery.And the flexible packing lithium ion of soft package lithium ion power battery especially Large Copacity laminar
Battery, its energy density are big, and high rate performance is high, good cycle and security performance it is superior and extensively by people's concern.Therefore to big
The flexible package lithium cell of capacity laminar requires higher to the injection rate of electrolyte, injection precision and effect of impregnation.
It is divided into two kinds for traditional fluid injection pattern of flexible packaging power lithium battery, one kind is normal pressure fluid injection, and another kind is negative
Pressure injection liquid.Normal pressure fluid injection by the way of multiple fluid injection, the requirement for generally requiring 2-3 time fluid injection could meeting reservoir quantity, while
Need to carry out the effect of impregnation that long-time standing just can guarantee that electrolyte after fluid injection, production efficiency is relatively low.And the side of negative pressure liquid injection
Method is to carry out evacuation infiltration again to the fluid injection of battery elder generation, and the method can improve fluid injection speed, but during evacuation
Easily overflow electrolyte, so as to cause electro-hydraulic loss, also need to carry out battery fluid infusion after evacuation, operate more multiple
It is miscellaneous, so vacuum during general negative pressure liquid injection in cabin is relatively low, generally -10KPa.
The content of the invention
In view of this, it is contemplated that proposing a kind of priming device and electrolyte filling method of soft package lithium battery electrolyte, to add
In fast injection process, electrolyte improves production production capacity to positive/negative plate and the wetting velocity of barrier film.
To reach above-mentioned purpose, the technical scheme is that what is be achieved in that：
A kind of priming device of soft package lithium battery electrolyte, including multiple vacuum liquid filling storehouses, the bottom in each vacuum liquid filling storehouse
Portion is connected to vacuum pipe, and the other end of the vacuum pipe is connected with vacuum pump；
Liquid injecting pipeline is communicated with the top of the vacuum liquid filling storehouse, and liquid injecting pipeline is affixed into the one end in vacuum liquid filling storehouse
The other end for having injection needle, the liquid injecting pipeline is communicated with containing liquid chamber, the pipe that the containing liquid chamber is connected with each vacuum liquid filling storehouse
Topping-up pump is respectively equipped with road；
Multiple vacuum cups are provided with the vacuum liquid filling storehouse, multiple vacuum cups cooperate and can beat the airbag of battery
Open, injection needle is extend in airbag carries out fluid injection, on the bulkhead in the vacuum liquid filling storehouse, be connected with pressure release passage.
Further, vacuum valve is respectively equipped with the pipeline that the vacuum pump is connected with each vacuum liquid filling storehouse.
Further, the pressure release passage is provided with relief valve.
Further, the vacuum cup is provided with two or more, and multiple vacuum cups are circumferentially square in vacuum liquid filling storehouse
To being uniformly distributed.
A kind of electrolyte filling method of soft package lithium battery electrolyte, including following step：
1) battery is put in vacuum liquid filling storehouse, vacuum cup holds the airbag of battery and opens airbag, and injection needle is stretched into
To in airbag, vacuum pump proceed by first band evacuation work, make the vacuum degree in vacuum liquid filling storehouse reach-
50KPa to -90KPa, vacuum retention time are the 3-7 seconds；
2), after proceeding by vacuum holding 1 second, fluid injection pump work carries out first time fluid injection in battery by injection needle,
After having noted electrolyte, relief valve is opened, and makes vacuum liquid filling storehouse recover atmospheric pressure state, and the normal pressure retention time is the 1-3 seconds；
3) vacuum pump proceed by second band evacuation work, make the vacuum degree in vacuum liquid filling storehouse reach-
50KPa to -90KPa, vacuum retention time are the 3-7 seconds；
4), after proceeding by vacuum holding 1 second, fluid injection pump work carries out second fluid injection in battery by injection needle,
After having noted electrolyte, relief valve is opened, and makes vacuum liquid filling storehouse recover atmospheric pressure state, and the normal pressure retention time is the 1-3 seconds；
5) vacuum pump proceed by the 3rd wave band evacuation work, make the vacuum degree in vacuum liquid filling storehouse reach-
50KPa to -90KPa, vacuum retention time are the 3-7 seconds；
6), after proceeding by vacuum holding 1 second, fluid injection pump work carries out third time fluid injection in battery by injection needle,
After having noted electrolyte, relief valve is opened, and makes vacuum liquid filling storehouse recover atmospheric pressure state；
7) battery is taken out, the battery of fluid injection is weighed, detect battery whether in the weight range of regulation.
Further, the vacuum degree in the vacuum liquid filling storehouse of the first band is -50KPa or -60KPa.
Further, the vacuum degree in the vacuum liquid filling storehouse of the second band is -70KPa or -80KPa.
Further, the vacuum degree in the vacuum liquid filling storehouse of the 3rd wave band is -80KPa or -90KPa.
Further, the vacuum retention time of first band, second band and the 3rd wave band is 5 seconds.
Further, the topping-up pump has the function of electrolyte of weighing, and precision is 0.01g.
Relative to prior art, a kind of priming device of soft package lithium battery electrolyte of the present invention and electrolyte filling method have
There is following advantage：
Filling machine vacuum unit and fluid injection unit are merged by the device of the present invention, using first evacuation,
Fluid injection is carried out under condition of high vacuum degree to battery, larger pressure difference of the electrolyte by liquid storage cabin with inside battery is rapidly injected battery
Inside, accelerates the infiltration of electrolyte and positive/negative plate and barrier film, while preventing electrolyte excessive；
Fluid injection mode is changed to into wave band formula vacuum liquid filling simultaneously, electricity is made by the vacuum of constantly change vacuum liquid filling nacelle
Micro-bubble inside solution liquid is discharged, it is ensured that electrolyte and positive/negative plate and barrier film complete wetting, further promotes electrolysis immersion
Follow-up time of repose is shortened while profit greatly, no improved liquid-injection equipment and method are to needing battery after battery liquid-filling
24-36h is stood after completing fluid injection, one is shortened using the time stood after device of the present invention and electrolyte filling method fluid injection
Half, improve production production capacity and efficiency.
Description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the priming device structural representation described in the embodiment of the present invention；
Fig. 2 is the wave band formula vacuum liquid filling simulation schematic diagram described in the embodiment of the present invention.
Description of reference numerals：
1- containing liquid chambers；2- topping-up pumps；3- vacuum liquid fillings storehouse；4- injection needles；5- relief valves；6- vacuum cups；7- vacuum valves；
8- vacuum pumps；9- vacuum pipes；10- liquid injecting pipelines；11- pressure release passages；12- batteries；S1- vacuumizing phases；S2- vacuum keeps
Stage；The S3- fluid injection stages；S4- lets out vacuum stages；S5- normal pressures are kept for the stage.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment and the feature in embodiment in the present invention can phase
Mutually combine.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " is
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or dark
Show that the device or element of indication there must be specific orientation, with specific azimuth configuration and operation therefore it is not intended that right
The restriction of the present invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In describing the invention, unless otherwise stated, " multiple "
It is meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Term is explained：
Wave band formula vacuum liquid filling pattern：Evacuation for several times can be carried out during fluid injection, the process of vacuum is let out, during fluid injection, ensures vacuum
There is certain vacuum inside fluid injection nacelle, fluid injection is not carried out to battery when equipment starts to let out vacuum.As vacuum liquid filling is
Wave band formula is carried out, and the air pressure in vacuum impregnating liquid tank residing for battery can be made constantly to change by force, for battery equivalent to
Patted by ambient pressure, the discharge of inside battery micro-bubble can be promoted, it is ensured that electrolyte and positive/negative plate and barrier film
Depth complete wetting.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
As shown in figure 1, a kind of priming device of soft package lithium battery electrolyte, including multiple vacuum liquid filling storehouses 3, each vacuum
The bottom in fluid injection storehouse 3 is connected to vacuum pipe 9, and the other end of the vacuum pipe 9 is connected with vacuum pump 8；
The top in the vacuum liquid filling storehouse 3 is communicated with liquid injecting pipeline 10, and liquid injecting pipeline 10 enters the one of vacuum liquid filling storehouse 3
End is connected with injection needle 4, and the other end of the liquid injecting pipeline 10 is communicated with containing liquid chamber 1, the containing liquid chamber 1 and each vacuum liquid filling
Topping-up pump 2 is respectively equipped with the pipeline of the connection of storehouse 3, is set on the pipeline that the vacuum pump 8 is connected with each vacuum liquid filling storehouse 3 respectively
There is vacuum valve 7；
Multiple vacuum cups 6 are provided with the vacuum liquid filling storehouse 3, multiple vacuum cups 6 are interior circumferentially in vacuum liquid filling storehouse 3
Direction is uniformly distributed, and multiple vacuum cups 6 cooperate and can open the airbag of battery 12, and injection needle 4 extend in airbag
Row fluid injection, is connected with pressure release passage 11 on the bulkhead in the vacuum liquid filling storehouse 3, the pressure release passage 11 is provided with relief valve 5.
As shown in Fig. 2 the electrolyte filling method realized during using soft package lithium battery electrolytic solution priming device, including following step
Suddenly：
1) battery 12 is put in vacuum liquid filling storehouse 3, vacuum cup 6 holds the airbag of battery 12 and opens airbag, fluid injection
Pin 4 is extend in airbag, and vacuum pump 8 proceeds by the evacuation work of first band, exhausts vacuum and closes vacuum valve 7, it is ensured that
Vacuum liquid filling storehouse 3 is sealed off with vacuum pump 8, evacuation make the vacuum degree in vacuum liquid filling storehouse 3 reach -50KPa to -
90KPa, vacuum retention time are the 3-7 seconds；
The vacuum degree of first band preferably -50KPa, the vacuum retention time is 5 seconds；
2), after proceeding by vacuum holding 1 second, topping-up pump 2 works, and carries out first time note by injection needle 4 in battery 12
Liquid, after having noted electrolyte, relief valve 5 is opened, and makes vacuum liquid filling storehouse 3 recover atmospheric pressure state, and the normal pressure retention time is the 1-3 seconds；
The first band preferred vacuum retention time is 5 seconds, then fluid injection time first time is 4 seconds, is let out after having noted electrolyte
Pressure, normal pressure retention time are preferably 1 second；
3) vacuum pump proceed by second band evacuation work, make the vacuum degree in vacuum liquid filling storehouse 3 reach-
50KPa to -90KPa, vacuum retention time are the 3-7 seconds；
The vacuum degree of second band preferably -70KPa, the vacuum retention time is 5 seconds；
4), after proceeding by vacuum holding 1 second, topping-up pump 2 works, and carries out second note by injection needle 4 in battery 12
Liquid, after having noted electrolyte, relief valve 5 is opened, and makes vacuum liquid filling storehouse 3 recover atmospheric pressure state, and the normal pressure retention time is the 1-3 seconds；
The second band preferred vacuum retention time is 5 seconds, then second fluid injection time is 4 seconds, is let out after having noted electrolyte
Pressure, normal pressure retention time are preferably 1 second；
5) vacuum pump 8 proceed by the 3rd wave band evacuation work, make the vacuum degree in vacuum liquid filling storehouse 3 reach-
50KPa to -90KPa, vacuum retention time are the 3-7 seconds；
The vacuum degree of the 3rd wave band preferably -80KPa, the vacuum retention time is 5 seconds；
6), after proceeding by vacuum holding 1 second, topping-up pump 2 works, and carries out third time note by injection needle 4 in battery 12
Liquid, after having noted electrolyte, relief valve 5 is opened, and makes vacuum liquid filling storehouse 3 recover atmospheric pressure state；
The second band preferred vacuum retention time is 5 seconds, then second fluid injection time is 4 seconds, is let out after having noted electrolyte
Atmospheric pressure state is kept during pressure in vacuum liquid filling storehouse 3；
7) battery 12 is taken out, the battery 12 of fluid injection is weighed, detect battery 12 whether in the weight range of regulation.
Technical scheme described in the present invention is improved on the basis of existing priming device, according to existing note
The defect that liquid is present has carried out the improvement of method, carries out technology and equipment transformation, vacuum unit to battery 12 in injection process
Merge with fluid injection unit, using wave band formula vacuum liquid filling pattern, promote infiltration of the battery 12 to electrolyte after fluid injection, shorten
Time of repose after fluid injection is 4-12h, makes production production capacity improve 50%-60%.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of priming device of soft package lithium battery electrolyte, it is characterised in that：Including multiple vacuum liquid filling storehouses (3), each is true
The bottom of empty fluid injection storehouse (3) is connected to vacuum pipe (9), and the other end of the vacuum pipe (9) is with vacuum pump (8) even
It is logical；
It is communicated with liquid injecting pipeline (10) at the top of the vacuum liquid filling storehouse (3), and liquid injecting pipeline (10) is into vacuum liquid filling storehouse (3)
One end be connected with injection needle (4), the other end of the liquid injecting pipeline (10) is communicated with containing liquid chamber (1), the containing liquid chamber (1) with
Topping-up pump (2) is respectively equipped with the pipeline that each vacuum liquid filling storehouse (3) connects；
Multiple vacuum cups (6) are provided with the vacuum liquid filling storehouse (3), multiple vacuum cups (6) cooperate can be by battery
(12) airbag is opened, and injection needle (4) is extend in airbag carries out fluid injection, is connected with the bulkhead of the vacuum liquid filling storehouse (3)
Pressure release passage (11).
2. the priming device of a kind of soft package lithium battery electrolyte according to claim 1, it is characterised in that：The vacuum pump
(8) vacuum valve (7) is respectively equipped with the pipeline being connected with each vacuum liquid filling storehouse (3).
3. the priming device of a kind of soft package lithium battery electrolyte according to claim 1, it is characterised in that：The pressure release is led to
Road (11) is provided with relief valve (5).
4. the priming device of a kind of soft package lithium battery electrolyte according to claim 1, it is characterised in that：The vacuum is inhaled
Disk (6) is provided with two or more, and multiple vacuum cups (6) are distributed uniformly and circumferentially in vacuum liquid filling storehouse (3).
5. usage right requires the electrolyte filling method of the soft package lithium battery electrolytic solution priming device described in any one of 1-4, and its feature exists
In：Including following step：
1) battery (12) is put in vacuum liquid filling storehouse (3), vacuum cup (6) holds the airbag of battery (12) and opens airbag,
Injection needle (4) is extend in airbag, and vacuum pump (8) proceeds by the evacuation work of first band, makes in vacuum liquid filling storehouse (3)
Vacuum degree reach -50KPa to -90KPa, the vacuum retention time is the 3-7 seconds；
2), after proceeding by vacuum holding 1 second, topping-up pump (2) work is carried out for the first time to battery (12) is inner by injection needle (4)
Fluid injection, after having noted electrolyte, relief valve is opened, and makes vacuum liquid filling storehouse (3) recover atmospheric pressure state, and the normal pressure retention time is the 1-3 seconds；
3) vacuum pump (8) proceed by second band evacuation work, make the vacuum degree in vacuum liquid filling storehouse (3) reach-
50KPa to -90KPa, vacuum retention time are the 3-7 seconds；
4), after proceeding by vacuum holding 1 second, fluid injection pump work carries out second note to battery (12) is inner by injection needle (4)
Liquid, after having noted electrolyte, relief valve (5) is opened, and makes vacuum liquid filling storehouse (3) recover atmospheric pressure state, and the normal pressure retention time is 1-3
Second；
5) vacuum pump (8) proceed by the 3rd wave band evacuation work, make the vacuum degree in vacuum liquid filling storehouse (3) reach-
50KPa to -90KPa, vacuum retention time are the 3-7 seconds；
6), after proceeding by vacuum holding 1 second, fluid injection pump work carries out third time note to battery (12) is inner by injection needle (4)
Liquid, after having noted electrolyte, relief valve is opened, and makes vacuum liquid filling storehouse (3) recover atmospheric pressure state；
7) battery (12) is taken out, the battery (12) to fluid injection is weighed, detects battery (12) whether in the weight range for specifying
It is interior.
6. electrolyte filling method according to claim 5, it is characterised in that：In the vacuum liquid filling storehouse (3) of the first band
Vacuum degree is -50KPa or -60KPa.
7. electrolyte filling method according to claim 5, it is characterised in that：In the vacuum liquid filling storehouse (3) of the second band
Vacuum degree is -70KPa or -80KPa.
8. electrolyte filling method according to claim 5, it is characterised in that：In the vacuum liquid filling storehouse (3) of the 3rd wave band
Vacuum degree is -80KPa or -90KPa.
9. electrolyte filling method according to claim 5, it is characterised in that：First band, second band and the 3rd wave band it is true
The empty retention time is 5 seconds.
10. electrolyte filling method according to claim 5, it is characterised in that：The topping-up pump has the function of electrolyte of weighing,
Precision is 0.01g.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951354.3A CN106571442B (en) | 2016-11-02 | 2016-11-02 | A kind of priming device and electrolyte filling method of soft package lithium battery electrolyte |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951354.3A CN106571442B (en) | 2016-11-02 | 2016-11-02 | A kind of priming device and electrolyte filling method of soft package lithium battery electrolyte |
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| Publication Number | Publication Date |
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| CN106571442A true CN106571442A (en) | 2017-04-19 |
| CN106571442B CN106571442B (en) | 2019-08-20 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107611334A (en) * | 2017-10-07 | 2018-01-19 | 深圳市嘉泰新能源装备有限公司 | A kind of vacuum electrolyte filling device |
| CN108539116A (en) * | 2018-04-08 | 2018-09-14 | 贵州贵航新能源科技有限公司 | The method of the secondary fluid injection of lithium ion battery with aluminum shell |
| CN108832071A (en) * | 2018-05-21 | 2018-11-16 | 中航锂电（洛阳）有限公司 | A kind of electrolyte filling method and preparation method of lithium ion battery with hard shell |
| CN109192919A (en) * | 2018-08-30 | 2019-01-11 | 广州倬粤动力新能源有限公司 | Electrolyte filling method for carbon fiber storage battery |
| CN109830755A (en) * | 2019-01-11 | 2019-05-31 | 深圳吉阳智能科技有限公司 | A kind of electrolyte wetting method for lithium battery |
| 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 |
| CN109888362A (en) * | 2019-03-29 | 2019-06-14 | 深圳市力德科技有限公司 | A kind of opening mechanism and deployment method of soft-package battery airbag |
| CN111048736A (en) * | 2019-06-26 | 2020-04-21 | 荷贝克电源系统（溧阳）有限公司 | Liquid injection process for nickel-cadmium storage battery |
| CN112397852A (en) * | 2020-12-16 | 2021-02-23 | 金川集团股份有限公司 | Reverse-suction type cylindrical battery electrolyte injection device and method |
| CN113212902A (en) * | 2021-06-02 | 2021-08-06 | 温州信为机械有限公司 | Lithium battery packaging production process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107611334A (en) * | 2017-10-07 | 2018-01-19 | 深圳市嘉泰新能源装备有限公司 | A kind of vacuum electrolyte filling device |
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| CN108832071A (en) * | 2018-05-21 | 2018-11-16 | 中航锂电（洛阳）有限公司 | A kind of electrolyte filling method and preparation method of lithium ion battery with hard shell |
| CN109192919A (en) * | 2018-08-30 | 2019-01-11 | 广州倬粤动力新能源有限公司 | Electrolyte filling method for carbon fiber storage battery |
| CN109192919B (en) * | 2018-08-30 | 2022-08-19 | 广州倬粤动力新能源有限公司 | Liquid injection method for carbon fiber storage battery |
| CN109830755A (en) * | 2019-01-11 | 2019-05-31 | 深圳吉阳智能科技有限公司 | A kind of electrolyte wetting method for lithium battery |
| 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 |
| CN109888362A (en) * | 2019-03-29 | 2019-06-14 | 深圳市力德科技有限公司 | A kind of opening mechanism and deployment method of soft-package battery airbag |
| CN109888362B (en) * | 2019-03-29 | 2024-02-27 | 深圳市力德科技有限公司 | Opening mechanism and opening method for soft package battery air bag |
| CN111048736A (en) * | 2019-06-26 | 2020-04-21 | 荷贝克电源系统（溧阳）有限公司 | Liquid injection process for nickel-cadmium storage battery |
| CN112397852A (en) * | 2020-12-16 | 2021-02-23 | 金川集团股份有限公司 | Reverse-suction type cylindrical battery electrolyte injection device and method |
| CN113212902A (en) * | 2021-06-02 | 2021-08-06 | 温州信为机械有限公司 | Lithium battery packaging production process |
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| CN106571442B (en) | 2019-08-20 |
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Effective date of registration: 20190829 Address after: No. 68 Zhujiang Road, Yancheng Economic and Technological Development Zone, Jiangsu Province, 224000 Patentee after: JIEWEI POWER INDUSTRY JIANGSU CO., LTD. Address before: 300380 Tianjin City, Xiqing District, Xiqing Automobile Industrial Park, No. 11 Kaiyuan Road Patentee before: Tianjin JEVE Energies Co., Ltd. |