CN108847473A - A kind of lithium battery electrolytes heating priming device - Google Patents
A kind of lithium battery electrolytes heating priming device Download PDFInfo
- Publication number
- CN108847473A CN108847473A CN201810671986.3A CN201810671986A CN108847473A CN 108847473 A CN108847473 A CN 108847473A CN 201810671986 A CN201810671986 A CN 201810671986A CN 108847473 A CN108847473 A CN 108847473A
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- CN
- China
- Prior art keywords
- injection pipe
- liquid injection
- lithium battery
- electrolyte
- priming device
- 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.)
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Classifications
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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
- 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
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The invention discloses a kind of lithium battery electrolytes to heat priming device, including：Liquid injection pipe and heating muff；Wherein, liquid injection pipe is for injecting the electrolyte into battery core, and the end of liquid injection pipe is equipped with multiple isocons, and the end of each isocon is equipped with spray head, carries out fluid injection to battery core in a manner of through spray；The shape of heating muff and liquid injection pipe matches, and is set in liquid injection pipe, and be equipped with the inlet and outlet for hot-air disengaging, and pass through the electrolyte in the hot air liquid injection pipe in heating muff.When above-mentioned apparatus works, first electrolyte is heated before fluid injection, to improve the temperature of electrolyte, pole piece is infiltrated so as to shorten electrolyte time；And it is equipped with isocon in the end of liquid injection pipe, which can be such that electrolyte infiltrates by way of spray to pole piece, to improve effect of impregnation, and then shorten the time that subsequent high temperature is shelved.
Description
Technical field
The present invention relates to lithium-ion-power cell fields, heat fluid injection more specifically to a kind of lithium battery electrolytes
Device.
Background technique
In recent years, with the development of new-energy automobile industry, the lithium battery as one of new-energy automobile core component is also
It is increasingly becoming the emphasis of the area research.The production effect for directly affecting battery core is shelved in fluid injection and high temperature in lithium battery production process
Rate and performance.At this stage, soft pack cell fluid injection generally uses injection catheter directly to carry out room temperature fluid injection to battery core, true being taken out
Also high temperature is needed to shelve 12h-24h after the processes such as empty, pre-packaged；Electrolyte flow is slow under room temperature, and electrolyte is caused to infiltrate pole piece
Need for a long time, and also needed after fluid injection it is longer shelve the time, therefore, above-mentioned operation seriously affected lithium battery production effect
Rate.
For the prior art, the temperature of electrolyte can be improved by way of increasing circulating heater, with contracting
The time of short electrolyte infiltration pole piece.For example, electrolyte pipeline is placed in heating chamber in " M " type, and electricity is set in cavity
The entrance and exit of Xie Yeguandao and the entrance and exit of circulating liquid.But the program only can be realized to electrolyte
It is unobvious to shelve time improvement to the absorption of electrolyte and subsequent high temperature with regard to pole piece for heating；And liquid heating needs to increase consumption
Energy；Another electrolysis fluid catheter is placed in cavity in " M " type, is increased the space accounting of equipment to a certain extent, is made actual
Effect of optimization is undesirable.
Therefore, electrolyte how is improved to the effect of impregnation of pole piece, is shortened the time that infiltration and high temperature are shelved, is at this stage
Field problem urgently to be resolved.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of lithium battery electrolytes to heat priming device, which can
Electrolyte is improved to the effect of impregnation of pole piece, shortens the time that infiltration and high temperature are shelved, solves the problems, such as the field at this stage.
A kind of lithium battery electrolytes heating priming device, including：
Liquid injection pipe, the liquid injection pipe is for injecting the electrolyte into battery core, and the end of the liquid injection pipe is equipped with multiple shuntings
Pipe, and the end of each isocon is equipped with spray head, carries out fluid injection to the battery core in a manner of through spray；
The shape of heating muff, the heating muff and the liquid injection pipe matches, and is set in outside the liquid injection pipe, and set
There is the inlet and outlet for hot-air disengaging, and passes through the electricity in liquid injection pipe described in the hot air in the heating muff
Solve liquid.
Preferably, the lithium battery electrolytes heat priming device, and the liquid injection pipe is placed in the heating muff
Part is in bending.
Preferably, the lithium battery electrolytes heat priming device, and the liquid injection pipe is equipped with for controlling each institute
State the flow divider of isocon work.
Preferably, the lithium battery electrolytes heat priming device, and the entrance and exit of the liquid injection pipe passes through valve
Valve is fixed in the heating muff.
Preferably, the lithium battery electrolytes heat priming device, be enclosed on the outer peripheral surface of the heating muff every
Hot cotton.
Preferably, the lithium battery electrolytes heat priming device, the flow direction of hot-air in the heating muff
It is opposite with the flow direction of the liquid injection pipe electrolyte inside.
Preferably, the lithium battery electrolytes heat priming device, and the hot-air in the heating muff is from electricity
The baking oven in core baking workshop.
Preferably, the lithium battery electrolytes heat priming device, and the hot air temperature for heating the electrolyte is 40
℃-50℃。
Preferably, the lithium battery electrolytes heat priming device, and the diameter of the heating muff is the liquid injection pipe
2-3 times of diameter.
Preferably, the lithium battery electrolytes heat priming device, and the heating muff covers the length of the liquid injection pipe
Degree is not less than 2m.
Lithium battery electrolytes proposed by the present invention heat priming device, including：Liquid injection pipe and heating muff；Wherein, fluid injection
Pipe is for injecting the electrolyte into battery core, and the end of liquid injection pipe is equipped with multiple isocons, and the end of each isocon is equipped with spray
Head is drenched, fluid injection is carried out to battery core in a manner of through spray；The shape of heating muff and liquid injection pipe matches, and is set in fluid injection
Pipe, and it is equipped with the inlet and outlet for hot-air disengaging, and pass through the electricity in the hot air liquid injection pipe in heating muff
Solve liquid.When above-mentioned apparatus works, first electrolyte is heated before fluid injection, to improve the temperature of electrolyte, so as to shorten electricity
The time that solution liquid infiltrates pole piece；And it is equipped with isocon in the end of liquid injection pipe, which can make electrolyte pass through spray
Mode infiltrates pole piece, to improve effect of impregnation, and then shortens the time that subsequent high temperature is shelved.Therefore, the present invention proposes
Lithium battery electrolytes heat priming device, can be improved electrolyte to the effect of impregnation of pole piece, shorten infiltration and high temperature is shelved
Time, solve the problems, such as the field at this stage.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic diagram that lithium battery electrolytes heat priming device in the specific embodiment of the invention.
In Fig. 1：
Liquid injection pipe -1, isocon -2, spray head -3, heating muff -4, flow divider -5, air valve -6.
Specific embodiment
The core of present embodiment is to provide a kind of lithium battery electrolytes heating priming device, which can mention
High electrolyte shortens the time that infiltration and high temperature are shelved, solves the problems, such as the field at this stage to the effect of impregnation of pole piece.
Hereinafter, being illustrated referring to attached drawing to embodiment.In addition, embodiments illustrated below is not to recorded in claim
Summary of the invention rise any restriction effect.In addition, the full content of composition represented by following example is not limited to as right
Necessary to the solution invented documented by it is required that.
The lithium battery electrolytes that present embodiment provides heat priming device, referring to Figure 1；Mainly include：Fluid injection
Pipe 1 and heating muff 4；Wherein, liquid injection pipe 1 is for injecting the electrolyte into battery core, and the end of liquid injection pipe 1 is equipped with multiple isocons
2, and the end of each isocon 2 is equipped with spray head 3, carries out fluid injection to battery core in a manner of through spray；Heating muff 4 and note
The shape of liquid pipe 1 matches, and is set in liquid injection pipe 1, and be equipped with the inlet and outlet for hot-air disengaging, and pass through heating mantle
The electrolyte in hot air liquid injection pipe 1 in pipe 4.When above-mentioned apparatus works, first electrolyte is heated before fluid injection,
Electrolysis fluid viscosity after heating reduces, and electrolyte flow increases, the time infiltrated so as to shorten electrolyte to pole piece；And it is infusing
The end of liquid pipe 1 is equipped with isocon 2, which can be such that electrolyte infiltrates by way of spray to pole piece, to increase
The area that electrolyte is contacted with pole piece to improve effect of impregnation, and then shortens the time that subsequent high temperature is shelved.Therefore, of the invention
The lithium battery electrolytes of proposition heat priming device, can be improved electrolyte to the effect of impregnation of pole piece, shorten infiltration and high temperature
The time shelved solves the problems, such as the field at this stage.
The lithium battery electrolytes that present embodiment provides heat priming device, and liquid injection pipe 1 is placed in heating muff 4
Part is in bending, and the number and shape of bending can be designed according to the actual situation；But a bending as shown in Figure 1
Form can reduce the occupied space of device.
The lithium battery electrolytes that present embodiment provides heat priming device, can be equipped on liquid injection pipe 1 for controlling
The flow divider 5 that each isocon 2 works is made, in order to which the shunting to electrolyte carries out unidirectional and two-way control.In addition, isocon
2 number can be for two, three or multiple, and two isocons 2 as shown in Figure 1 are in the branch design of eight words.Isocon 2
On spray head 3 can be stainless steel spray head, to prolong the service life；And the through-hole on spray head 3 is kept away as far as possible with being mostly benefit
Exempt from the blocking of electrolyte, while improving the effect of impregnation to pole piece.
The lithium battery electrolytes that present embodiment provides heat priming device, and the entrance and exit of liquid injection pipe 1 can be with
It is fixed in heating muff 4 by air valve 6, which can be avoided liquid injection pipe 1 and occur mobile etc. show in heating muff 4
As ensure that going on smoothly for injection process.
The lithium battery electrolytes that present embodiment provides heat priming device, can be on the outer peripheral surface of heating muff 4
It is enclosed with heat insulation foam, which can keep the temperature the hot-air in heating muff 4, to guarantee hot-air in liquid injection pipe 1
The heating effect of electrolyte.
The lithium battery electrolytes that present embodiment provides heat priming device, the flowing of hot-air in heating muff 4
The flow direction of direction and 1 electrolyte inside of liquid injection pipe mentions on the contrary, the setting can be improved the heat transfer effect of hot-air and electrolyte
High electrolyte shortens infiltration and time that high temperature is shelved to the effect of impregnation of pole piece.
The lithium battery electrolytes that present embodiment provides heat priming device, and the hot-air in heating muff 4 can be with
Baking oven from battery core baking workshop；Because fluid injection workshop is closer with battery core baking vehicle headway under normal circumstances, therefore can be straight
It connects the hot-air of baking oven applied to the heating to electrolyte, improves the utilization rate of energy, and do not need individually to heat dress
It sets, avoids the consumption of the extra energy, reduce production cost.
The lithium battery electrolytes that present embodiment provides heat priming device, and the hot air temperature for heating electrolyte can
To control between 40 DEG C -50 DEG C.
The lithium battery electrolytes that present embodiment provides heat priming device, and the diameter of heating muff 4 is liquid injection pipe 1
2-3 times of diameter, and heating muff 4 cover liquid injection pipe 1 length be not less than 2m, the setting in order to guarantee electrolyte heating effect
Fruit, and then the effect of impregnation to pole piece is improved, to shorten the time that infiltration and high temperature are shelved, improve working efficiency.
As shown in Figure 1, device contains the heating muff 4 for being enclosed with heat insulation foam, one φ's 10 and end shunt
Liquid injection pipe 1, a flow divider 5, two air valves 6 and two spray heads 3.Heating muff 4 is at least bigger than the diameter of liquid injection pipe 1
Twice, liquid injection pipe 1 is interspersed among the heating muff 4 with heat insulation foam, and heating muff 4 covers 1 length of liquid injection pipe in 3m or more, is added
The entrance and exit of thermal sleeve 4 is equipped with air valve 6；Spray head 3 is mounted on the end after liquid injection pipe 1 shunts.Before fluid injection, come from
In the hot-air of baking oven first give liquid injection pipe 1 heat 2min, 40 DEG C -50 DEG C of heating temperature；Electrolyte after heating enters spray head
3, when fluid injection can two spray heads 3 against battery core, spray from top to bottom, reservoir quantity passes through electronic balance control；Fluid injection is completed
Battery core is normally sealed in advance afterwards, and high temperature shelves 6h-8h.
The comparison of 8h and 16h liquid loss amount is shelved it is found that after using present apparatus fluid injection by battery core after present apparatus fluid injection, battery core high temperature
Shelving the time shortens 8h, and battery core liquid loss amount does not change.It can be seen that being shelved using high temperature after present apparatus fluid injection
8h, pole piece have completed the absorption of electrolyte, and the high temperature after fluid injection is shelved the time and greatly shortened compared to 16h, and production efficiency obtains
To being obviously improved.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of lithium battery electrolytes heat priming device, which is characterized in that including：
Liquid injection pipe (1), the liquid injection pipe (1) is for injecting the electrolyte into battery core, and the end of the liquid injection pipe (1) is equipped with multiple
Isocon (2), and the end of each isocon (2) be equipped with spray head (3), in a manner of through spray to the battery core into
Row fluid injection；
Heating muff (4), the heating muff (4) and the shape of the liquid injection pipe (1) match, and are set in the liquid injection pipe
(1) outside, and it is equipped with the inlet and outlet for hot-air disengaging, and passes through the hot air institute in the heating muff (4)
State the electrolyte in liquid injection pipe (1).
2. lithium battery electrolytes according to claim 1 heat priming device, which is characterized in that the liquid injection pipe (1) is set
In the part in the heating muff (4) in bending.
3. lithium battery electrolytes according to claim 1 heat priming device, which is characterized in that on the liquid injection pipe (1)
Equipped with the flow divider (5) for controlling each isocon (2) work.
4. lithium battery electrolytes according to claim 1 heat priming device, which is characterized in that the liquid injection pipe (1)
Entrance and exit is fixed in the heating muff (4) by air valve (6).
5. lithium battery electrolytes according to claim 1 heat priming device, which is characterized in that the heating muff (4)
Outer peripheral surface on be enclosed with heat insulation foam.
6. lithium battery electrolytes according to claim 1 heat priming device, which is characterized in that the heating muff (4)
The flow direction of interior hot-air is opposite with the flow direction of the liquid injection pipe (1) electrolyte inside.
7. lithium battery electrolytes according to claim 1 heat priming device, which is characterized in that the heating muff (4)
Baking oven of the interior hot-air from battery core baking workshop.
8. lithium battery electrolytes according to claim 1 heat priming device, which is characterized in that heat the electrolyte
Hot air temperature is 40 DEG C -50 DEG C.
9. lithium battery electrolytes according to claim 1 heat priming device, which is characterized in that the heating muff (4)
Diameter be 2-3 times of the liquid injection pipe (1) diameter.
10. lithium battery electrolytes according to claim 1 heat priming device, which is characterized in that the heating muff (4)
The length of the liquid injection pipe (1) is covered not less than 2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810671986.3A CN108847473A (en) | 2018-06-26 | 2018-06-26 | A kind of lithium battery electrolytes heating priming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810671986.3A CN108847473A (en) | 2018-06-26 | 2018-06-26 | A kind of lithium battery electrolytes heating priming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108847473A true CN108847473A (en) | 2018-11-20 |
Family
ID=64202741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810671986.3A Pending CN108847473A (en) | 2018-06-26 | 2018-06-26 | A kind of lithium battery electrolytes heating priming device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108847473A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818081A (en) * | 2018-12-26 | 2019-05-28 | 深圳市卓能新能源股份有限公司 | Lithium battery infiltrates technique and lithium battery infiltrates chemical synthesizing method |
| CN109860726A (en) * | 2018-12-26 | 2019-06-07 | 深圳市卓能新能源股份有限公司 | Lithium battery manufacturing process |
| CN110131884A (en) * | 2019-05-08 | 2019-08-16 | 上海汇平新能源有限公司 | It is electrolysed liquor heating method and device |
| CN111769302A (en) * | 2019-04-02 | 2020-10-13 | 武汉众宇动力系统科技有限公司 | Heating device for fuel cell |
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| CN202495517U (en) * | 2012-01-09 | 2012-10-17 | 宁德新能源科技有限公司 | Fluid injection device for lithium ion battery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818081A (en) * | 2018-12-26 | 2019-05-28 | 深圳市卓能新能源股份有限公司 | Lithium battery infiltrates technique and lithium battery infiltrates chemical synthesizing method |
| CN109860726A (en) * | 2018-12-26 | 2019-06-07 | 深圳市卓能新能源股份有限公司 | Lithium battery manufacturing process |
| CN111769302A (en) * | 2019-04-02 | 2020-10-13 | 武汉众宇动力系统科技有限公司 | Heating device for fuel cell |
| CN110131884A (en) * | 2019-05-08 | 2019-08-16 | 上海汇平新能源有限公司 | It is electrolysed liquor heating method and device |
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