CN110299504A - A kind of battery liquid-filling device and its electrolyte filling method - Google Patents
A kind of battery liquid-filling device and its electrolyte filling method Download PDFInfo
- Publication number
- CN110299504A CN110299504A CN201910552519.3A CN201910552519A CN110299504A CN 110299504 A CN110299504 A CN 110299504A CN 201910552519 A CN201910552519 A CN 201910552519A CN 110299504 A CN110299504 A CN 110299504A
- Authority
- CN
- China
- Prior art keywords
- battery
- fluid injection
- electrolyte
- liquid
- ultrasound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003792 electrolyte Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000002347 injection Methods 0.000 claims abstract description 90
- 239000007924 injection Substances 0.000 claims abstract description 90
- 239000012530 fluid Substances 0.000 claims abstract description 80
- 238000002604 ultrasonography Methods 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims description 28
- 238000005406 washing Methods 0.000 abstract description 2
- 210000003128 head Anatomy 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 230000037452 priming Effects 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007634 remodeling Methods 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
-
- 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
Abstract
The invention discloses a kind of battery liquid-filling device and its electrolyte filling methods, the device includes battery, electrolyte and fluid injection unit, it further include vibration unit, vibration unit is vibrated for occurring and vibrated to electrolyte, and fluid injection unit is used to for the electrolyte after vibration being injected into battery.Above scheme provided by the present application, electrolyte is oriented by vibration unit and ultrasound/overclocking of certain wave frequency is vibrated, make electrolyte penetrate into inside battery by battery liquid-filling mouth with small proton Formregelung to merge with battery pole piece, so as to avoid washing away battery pole piece.
Description
Technical field
The present invention relates to battery apparatus technical fields, and in particular to a kind of battery liquid-filling device and its electrolyte filling method.
Background technique
With the arrival in electronic intelligence epoch, demand of the people to electronic product is increasing, and provides for electronic product
The battery of operation power then becomes emphasis, especially lithium ion battery and develops, then becomes hot topic.
Electrolyte is the important component of lithium ion battery, and fluid injection is that electrolyte quantitatively is injected into lithium ion battery
Internal important procedure, is very important link in lithium ion battery production process.Fig. 1 is lithium battery fluid injection in the prior art
Apparatus structure schematic diagram, referring to shown in attached drawing 1, which includes fluid injection cup 1 and battery 2, is injected in fluid injection cup 1 certain
Electrolyte is measured, while the vacuum pumping opening 4 by being arranged on fluid injection cup 1 is evacuated battery 2, after the gas discharge in battery 2,
High pressure nitrogen is poured to fluid injection cup 1 by the elevated pressure nitrogen port 5 being arranged on fluid injection cup 1, makes to be electrolysed after multiple vacuum high-pressure circulation
Liquid 3 penetrates into inside battery.Fig. 2 is another prior art lithium battery priming device structural schematic diagram, referring to shown in attached drawing 2,
The priming device includes the fluid injection cup 6 being tightly connected with battery 7, a certain amount of electrolyte is injected in fluid injection cup 6, then entire
Fluid injection cup 6 and battery 7 are put into seal cavity 11, finally by the vacuum pumping opening 9 being arranged in seal cavity 6 to seal cavity
6 and battery 7 be evacuated, in seal cavity 6 and battery 7 gas discharge after, pass through the elevated pressure nitrogen port being arranged in seal cavity 6
High pressure nitrogen is poured in 10 pairs of seal cavities 6, so that electrolyte 8 is penetrated into inside battery after multiple vacuum high-pressure circulation.
However, above two priming device all has sepage hardly possible, and there are pressure differences during sepage, be easy to cause
Battery case bulge and explosion-proof valve damage are easy to wash away influence to battery pole piece generation simultaneously because electrolyte flow rate is uneven.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of battery liquid-filling device and its electrolyte filling method, can make to be electrolysed
Liquid penetrates into inside battery by battery liquid-filling mouth with small proton Formregelung and merges with battery pole piece, avoids to battery pole piece
Wash away.
The present invention provides a kind of battery liquid-filling devices, including battery, electrolyte and fluid injection unit, further includes: vibration
Unit, the vibration unit are vibrated for occurring and are vibrated to the electrolyte, and the fluid injection unit will be for after vibrating
Electrolyte be injected into the battery.
Further, the vibration unit includes ultrasound/overclocking vibration head and ultrasound/overclocking generator, the ultrasound/super
Frequency generator is electrically connected with the ultrasound/overclocking vibration head, for controlling the ultrasound/overclocking vibration head vibration.
Further, the fluid injection unit includes fluid injection cup and fluid injection pipeline, one end and the note of the fluid injection pipeline
The connection of liquid cup, the other end are connected to the liquid injection port of the battery；The electrolyte and the ultrasound/overclocking vibration head are arranged at
In the fluid injection cup.
It further, further include liquid storage unit, the electrolyte in the liquid outlet of the liquid storage unit and the fluid injection cup holds
Chamber of receiving is connected.
Further, the liquid storage unit includes fluid injection tank and metering pump, and the metering pump is communicated with the fluid injection tank, institute
The liquid outlet for stating fluid injection tank is connected with the electrolyte accommodating chamber in the fluid injection cup.
It further, further include fixed cell, the fixed cell is used for the fluid injection cup is fixed on the battery
Side.
Further, the fixed cell includes bracket and the fixture for fastening different-diameter size, and the branch is set up
It sets on the battery, the fixture is fixed on the bracket, and the fluid injection cup passes through the clamp.
A kind of electrolyte filling method of the battery liquid-filling device as described in the embodiment of the present application, method includes the following steps:
Step 1: the liquid injection port of the liquid outlet of fluid injection cup and battery is tightly connected；
Step 2: a certain amount of electrolyte is injected in fluid injection cup；
Step 3: ultrasound/overclocking vibration head is put into electrolyte；
Step 4: starting ultrasound/overclocking generator, ultrasound/overclocking generator drive ultrasound/overclocking vibration head vibration, from
And makes electrolyte penetrate into inside battery by battery liquid-filling mouth with small proton Formregelung and merged with battery pole piece.
According to the battery liquid-filling device of above-described embodiment, electrolyte is oriented by vibration unit and certain wavelength frequency
The ultrasound of rate/overclocking vibration, makes electrolyte penetrate into inside battery and electricity by battery liquid-filling mouth with small proton Formregelung
Pond pole piece fusion, so as to avoid washing away battery pole piece.
Detailed description of the invention
Fig. 1 is lithium battery priming device structural schematic diagram in the prior art；
Fig. 2 is another prior art lithium battery priming device structural schematic diagram；
Fig. 3 is a kind of battery liquid-filling device structural schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.Wherein different embodiments
Middle similar component uses associated similar element numbers.In the following embodiments, many datail descriptions be in order to
The application is better understood.However, those skilled in the art can recognize without lifting an eyebrow, part of feature
It is dispensed, or can be substituted by other elements, material, method in varied situations.In some cases, this Shen
Please it is relevant it is some operation there is no in the description show or describe, this is the core in order to avoid the application by mistake
More descriptions are flooded, and to those skilled in the art, these relevant operations, which are described in detail, not to be necessary, they
Relevant operation can be completely understood according to the general technology knowledge of description and this field in specification.
It is formed respectively in addition, feature described in this description, operation or feature can combine in any suitable way
Kind embodiment.Meanwhile each step in method description or movement can also can be aobvious and easy according to those skilled in the art institute
The mode carry out sequence exchange or adjustment seen.Therefore, the various sequences in the description and the appended drawings are intended merely to clearly describe a certain
A embodiment is not meant to be necessary sequence, and wherein some sequentially must comply with unless otherwise indicated.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
A kind of battery liquid-filling device of the invention, more injections for electrolyte in lithium battery.The embodiment of the present application
The battery liquid-filling device has been described in detail, with reference to Fig. 3, the battery liquid-filling device include battery 13, electrolyte 14, fluid injection unit with
And vibration unit, wherein vibration unit is vibrated for occurring and vibrated to electrolyte, and fluid injection unit will be for after vibrating
Electrolyte 14 is injected into battery 13.
Specifically, above-mentioned vibration unit includes ultrasound/overclocking vibration head 15 and ultrasound/overclocking generator 16, the ultrasound/
Overclocking generator 16 is electrically connected with ultrasound/overclocking vibration head 15, is vibrated for controlling ultrasound/overclocking vibration head 15, ultrasound/overclocking
Vibration head 15, which is vibrated, to be oriented electrolyte and ultrasound/overclocking of certain wave frequency is vibrated, to make electrolyte with micro-
Small proton Formregelung penetrates into inside battery by battery liquid-filling mouth and merges with battery pole piece, avoids rushing battery pole piece
Brush.
It should be understood that electrolyte vibrate above by ultrasound/overclocking generator it is merely illustrative, it is alternative at other
In scheme, vibration unit can also use other kinds of equipment, for example, electromagnetic vibrator.Class of the application to vibration unit
Type is not particularly limited, if above-mentioned vibration unit can satisfy electrolyte is oriented and the ultrasound of certain wave frequency/
The purpose of overclocking vibration.
In the embodiment of the present application, fluid injection unit includes fluid injection cup 12 and fluid injection pipeline (not shown), fluid injection pipeline
One end be connected to fluid injection cup 12, the other end is connected to the liquid injection port of battery 13；It is equipped in fluid injection cup 12 for accommodating electrolysis
The electrolyte accommodating chamber of liquid.
In addition, ultrasound/overclocking vibration head 15 is oriented the electrolyte 14 in fluid injection cup 12 and a standing wave for convenience
The ultrasound of long frequency/overclocking vibration can also make a variety of details remodeling to fluid injection cup 12, will state one by one as follows.
For example, opening up a through-hole in the upper end of fluid injection cup, while being fixedly mounted on the upper surface of fluid injection cup with reference to Fig. 3
One chuck, ultrasound/overclocking vibration head one end pass through through-hole and extend into fluid injection cup, and the other end is fixed by chuck.
It for another example, can also be in the upper surface of fluid injection cup along electrolyte descent direction one groove of setting, the side wall of the groove
Hole is opened up, ultrasound/overclocking vibration head is placed in the groove.
It should be noted that the above-mentioned structure that ultrasound/overclocking vibration head is fixed on fluid injection cup is merely illustrative, in reality
In production application, fixture can also be set on fluid injection cup, ultrasound/overclocking vibration head is fixed, it specifically can be according to reality
Border product needs to design.
The application in order to facilitate electrolyte filling, and guarantee electrolyte adding amount, be communicated on liquid injection pipe road
The vacuum line vacuumized for the inside to battery.One end of the vacuum line and fluid injection pipeline connection, to realize vacuum tube
Road is connected to liquid injection port, and the other end connects vacuum source, and vacuum source can be low vacuum or vacuumize implementation mechanism, is infused in battery
Before liquid, the inside of battery can be vacuumized, to enable battery due to negative pressure when filling electrolyte, suck fluid injection
Electrolyte in cup.
When due to filling electrolyte after vacuumizing, electrolyte can enter vacuum line, cause the pollution of vacuum source, for this purpose,
Vacuum valve is equipped on vacuum line.At the end of vacuumizing, vacuum valve 33 is closed, to completely cut off vacuum source and electrolyte.
For convenience to electrolyte 14 is added in fluid injection cup 12, further include in the embodiment of the present application a fluid injection tank (in figure not
Show), the liquid outlet of the fluid injection tank is connected with the electrolyte accommodating chamber in fluid injection cup.
In addition, in order to control the content of the electrolyte 14 in fluid injection cup 12, it is ensured that completed in a filling of battery 13
Afterwards, just the electrolyte 14 in fluid injection cup 12 has been used, a metering pump is set between fluid injection tank and fluid injection cup and (is not shown in figure
Out).
It should be understood that it is merely illustrative above by the content of the electrolyte in metering pump control fluid injection cup, it is alternative at other
Scheme in, control fluid injection cup electrolyte inside content can also use other kinds of equipment, for example, select portray capacity
The fluid injection cup of graduation mark.The application is not particularly limited the equipment of the content of control fluid injection cup electrolyte inside.
In order to which fluid injection cup is fixed on above battery, so that convenient be provided with fixed bracket to battery liquid-filling on battery,
The fixture being equipped with for fastening different-diameter size is removably secured on the fixation bracket, fluid injection cup passes through clamp.
It, can also be in production application it should be noted that above-mentioned merely illustrative to the fixed structure of fluid injection cup
One crane is installed on bottom surface, chuck is installed on crane, fluid injection cup is fixed by chuck, it specifically can be according to reality
Border product needs to design.
The present apparatus when in use, mainly passes through following steps:
Step 1: the liquid injection port of the liquid outlet of fluid injection cup and battery is tightly connected；
Step 2: a certain amount of electrolyte is injected in fluid injection cup；
Step 3: ultrasound/overclocking vibration head is put into electrolyte；
Step 4: starting ultrasound/overclocking generator, ultrasound/overclocking generator drive ultrasound/overclocking vibration head vibration, from
And makes electrolyte penetrate into inside battery by battery liquid-filling mouth with small proton Formregelung and merged with battery pole piece.
Use above specific case is illustrated the present invention, is merely used to help understand the present invention, not to limit
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make several simple
It deduces, deform or replaces.
Claims (8)
1. a kind of battery liquid-filling device, including battery, electrolyte and fluid injection unit, which is characterized in that further include:
Vibration unit, the vibration unit are vibrated for occurring and are vibrated to the electrolyte, and the fluid injection unit is used for
Electrolyte after vibration is injected into the battery.
2. battery liquid-filling device as described in claim 1, which is characterized in that the vibration unit includes ultrasound/overclocking vibration
Head and ultrasound/overclocking generator, the ultrasound/overclocking generator is electrically connected with the ultrasound/overclocking vibration head, for controlling
State ultrasound/overclocking vibration head vibration.
3. battery liquid-filling device as claimed in claim 2, which is characterized in that the fluid injection unit includes fluid injection cup and liquid injection pipe
Road, one end of the fluid injection pipeline are connected to the fluid injection cup, and the other end is connected to the liquid injection port of the battery；The electrolyte
It is arranged in the fluid injection cup with the ultrasound/overclocking vibration head.
4. battery liquid-filling device as claimed in claim 3, which is characterized in that it further include liquid storage unit, the liquid storage unit
Liquid outlet is connected with the electrolyte accommodating chamber in the fluid injection cup.
5. battery liquid-filling device as claimed in claim 4, which is characterized in that the liquid storage unit includes fluid injection tank and metering
Pump, the metering pump are communicated with the fluid injection tank, the electrolyte accommodating chamber in the liquid outlet of the fluid injection tank and the fluid injection cup
It is connected.
6. battery liquid-filling device as claimed in claim 3, which is characterized in that further include fixed cell, the fixed cell is used
It is fixed on above the battery in by the fluid injection cup.
7. battery liquid-filling device as claimed in claim 6, which is characterized in that the fixed cell includes bracket and for fastening
The fixture of different-diameter size, on the battery, the fixture is fixed on the bracket, the fluid injection for the bracket setting
Cup passes through the clamp.
8. a kind of electrolyte filling method of the battery liquid-filling device as described in claim 1-7 any one, which is characterized in that this method
The following steps are included:
Step 1: the liquid injection port of the liquid outlet of fluid injection cup and battery is tightly connected；
Step 2: a certain amount of electrolyte is injected in fluid injection cup；
Step 3: ultrasound/overclocking vibration head is put into electrolyte；
Step 4: starting ultrasound/overclocking generator, ultrasound/overclocking generator drives ultrasound/overclocking vibration head vibration, to make
Electrolyte penetrates into inside battery by battery liquid-filling mouth with small proton Formregelung and merges with battery pole piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552519.3A CN110299504A (en) | 2019-06-25 | 2019-06-25 | A kind of battery liquid-filling device and its electrolyte filling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552519.3A CN110299504A (en) | 2019-06-25 | 2019-06-25 | A kind of battery liquid-filling device and its electrolyte filling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110299504A true CN110299504A (en) | 2019-10-01 |
Family
ID=68028713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910552519.3A Pending CN110299504A (en) | 2019-06-25 | 2019-06-25 | A kind of battery liquid-filling device and its electrolyte filling method |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112648537A (en) * | 2020-12-31 | 2021-04-13 | 苏州联点数据技术有限公司 | Induction system |
| CN112782248A (en) * | 2020-12-31 | 2021-05-11 | 苏州联点数据技术有限公司 | Sensing system |
| CN112833930A (en) * | 2020-12-31 | 2021-05-25 | 苏州联点数据技术有限公司 | Multifunctional sensing device |
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| CN112648537A (en) * | 2020-12-31 | 2021-04-13 | 苏州联点数据技术有限公司 | Induction system |
| CN112782248A (en) * | 2020-12-31 | 2021-05-11 | 苏州联点数据技术有限公司 | Sensing system |
| CN112833930A (en) * | 2020-12-31 | 2021-05-25 | 苏州联点数据技术有限公司 | Multifunctional sensing device |
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