CN206412410U - Battery liquid-filling device with heating function - Google Patents
Battery liquid-filling device with heating function Download PDFInfo
- Publication number
- CN206412410U CN206412410U CN201620947079.3U CN201620947079U CN206412410U CN 206412410 U CN206412410 U CN 206412410U CN 201620947079 U CN201620947079 U CN 201620947079U CN 206412410 U CN206412410 U CN 206412410U
- Authority
- CN
- China
- Prior art keywords
- loading line
- heat
- filling device
- intercell
- pipeline
- 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.)
- Withdrawn - After Issue
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 16
- 238000005086 pumping Methods 0.000 claims abstract description 14
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 13
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 13
- 238000009736 wetting Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000004888 barrier function Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 27
- 239000003792 electrolyte Substances 0.000 description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- 238000002347 injection Methods 0.000 description 12
- 239000007924 injection Substances 0.000 description 12
- 230000008595 infiltration Effects 0.000 description 9
- 238000001764 infiltration Methods 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005470 impregnation Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 208000032953 Device battery issue Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 206010027146 Melanoderma Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model is related to a kind of battery liquid-filling device with heating function, including:Heat conduction pipeline, with treating vacuum-pumping pipeline and loading line that the seal of intercell is connected;The distance between heat conduction pipeline and loading line are less than preset value;Heat-conducting medium is connected with heat conduction pipeline;Heat-conducting medium is used for temperature conduction to loading line, to being heated by the gas of loading line;Loading line is used for treating insufflation gas in intercell;Vacuum-pumping pipeline is used to treat that intercell is vacuumized after inflation terminates.The technical scheme that the utility model embodiment is provided, the thorough discharge of clean water point will can not be baked in pole plate, and the temperature of pole piece can be improved, angle of wetting can be increased by improving pole piece, therefore the wetting property of lithium ion battery is substantially increased, water content in pole plate is also mitigated simultaneously, is solved lithium ion battery and is moved towards a technical barrier in large scale high-energy-density.
Description
Technical field
The utility model is related to battery production manufacturing technology field, more particularly to a kind of battery liquid-filling with heating function
Device.
Background technology
New energy is the development trend of future society, and lithium ion battery is as a kind of new energy of high-efficiency environment friendly, with work
Make that voltage is high, energy density is big and the prominent advantage such as service life length, turn into the preferred power supply of consumption electronic product at present
Equipment.One of developing direction of lithium ion battery is to continue with improving its energy density, and this requires to improve activity on electrode plates
The compacted density of material, to increase its loading.But, the porosity of electrode plates is also implied that while improving compacted density
Reduction, this can cause electrolyte to be difficult to fully infiltrate electrode.Infiltration is insufficient, and battery anode after chemical conversion may be caused to occur
The problems such as blackspot, analysis lithium, so as to reduce the chemical property of battery.Therefore, it is to pass to promote electrolyte to infiltrate pole piece well
Important.
The simplest fluid injection mode of lithium ion battery is, by carrying out fluid injection manually, with the progress of large-scale production, to go out
Lithium ion battery vacuum pressed filling machine is showed.The characteristics of vacuum pressed filling machine, is, attempts to pass through vacuum by plate material
Gas discharge in hole, now fluid injection enables to electrolyte automatically into the hole of plate material, then by pressurization, with
And follow-up vacuum pressed action, make electrolyte completely into the hole to plate material, reaching that a good infiltration imitates
Really.But with the compacting of the requirement more and more higher to battery capacity and capacity density, the size increase of pole plate, and pole plate
The raising of density so that the infiltration of pole plate is increasingly difficult to.But the infiltration of pole plate electrolyte is a lithium ion battery made
A very important control point in journey, the uniformity of its direct correlation lithium ion battery plate interface, and chemical property
Performance.
Improving infiltrating time and infiltration temperature becomes first solution expected, however, experimentation have shown that, during infiltration
Between and infiltration temperature raising can be pole plate powder depart from base material, make battery failure.Surfactant is added in the electrolytic solution
It can improve effect of impregnation, but so not only increase the cost of electrolyte, while also can be to the performance band of battery performance itself
Necessarily influence.Also there is patent report directly to be heated to electrolyte, but be used as the electrolysis based on volatile organic matter
Liquid, is directly heated so that electrolyte volatilization, is likely to result in lithium salts and separates out the hidden danger such as blocking liquid injection port.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of battery liquid-filling device with heating function, to carry
High electrolyte wetting property.
For this purpose, the utility model proposes a kind of battery liquid-filling device with heating function, including:
Heat conduction pipeline, with treating vacuum-pumping pipeline and loading line that the seal of intercell is connected;The heat conduction pipeline
It is less than preset value with the distance between the loading line;
Heat-conducting medium is connected with the heat conduction pipeline;The heat-conducting medium is used for temperature conduction to the loading line,
Gas by the loading line is heated;
The loading line is used to treat insufflation gas in intercell to described;
The vacuum-pumping pipeline is used to treat that intercell is vacuumized by described after inflation terminates.
It is preferred that, the battery liquid-filling device also includes:Airtight cavity, the heat conduction pipeline, vacuum-pumping pipeline and gas tube
Road is respectively positioned in the airtight cavity.
It is preferred that, the gas in the loading line is inert gas.
It is preferred that, the heat-conducting medium is the conduction oil circulated.
It is preferred that, the temperature of the conduction oil is 70~150 DEG C.
It is preferred that, the battery liquid-filling device also includes heater, and the heater is used to enter the heat-conducting medium
Row heating.
It is preferred that, the heater is resistance wire.
The battery liquid-filling device with heating function that the utility model embodiment is provided, in traditional vacuum pressurized liquid injection dress
On the basis of putting, by the neighbouring setting heat conduction pipeline in original loading line, by being passed through heat-conducting medium in heat conduction pipeline,
Using heat conductivity, treat that the gas of intercell is heated to being passed through, the thorough row of clean water point will not be baked in pole plate
Go out, and the temperature of pole piece can be improved, angle of wetting can be increased by improving pole piece, therefore be carried using the utility model embodiment
The technical scheme of confession substantially increases the wetting property of lithium ion battery, while also mitigating the water content in pole plate, solves
Lithium ion battery moves towards a technical barrier in large scale high-energy-density.
Brief description of the drawings
Feature and advantage of the present utility model can be more clearly understood from by reference to accompanying drawing, accompanying drawing be it is schematical without
It is interpreted as carrying out any limitation to the utility model, in the accompanying drawings:
The structural representation for the battery liquid-filling device with heating function that Fig. 1 provides for the utility model embodiment;
The structural representation for the battery liquid-filling device with heating function that Fig. 2 provides for another embodiment of the utility model
Figure;
Fig. 3 is the schematic flow sheet of the battery liquid-filling device progress fluid injection provided using the utility model embodiment;
Fig. 4 is the detailed process signal of the battery liquid-filling device progress battery liquid-filling provided using the utility model embodiment
Figure;
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
As shown in figure 1, the utility model embodiment provides a kind of battery liquid-filling device with heating function, including:
Heat conduction pipeline 1, with treating vacuum-pumping pipeline 3 and loading line 2 that the seal 8 of intercell 4 is connected;The heat conduction
The distance between pipeline 1 and the loading line 2 are less than preset value;
Heat-conducting medium is connected with the heat conduction pipeline 1;The heat-conducting medium is used for temperature conduction to the loading line
2, the gas by the loading line 2 is heated;
The loading line 2 is used to treat insufflation gas in intercell 4 to described;
The vacuum-pumping pipeline 3 is used to treat that intercell 4 is vacuumized by described after inflation terminates.
It should be noted that the utility model embodiment is on the basis of traditional vacuum pressurized liquid injection machine, to traditional true
Empty pressurized liquid injection machine is transformed, and the gas that intercell 4 is treated to being filled with by heat-conducting medium is heated, and pole plate is improved with this
Temperature so as to indirectly improve electrolyte temperature, improve wetting property.Further, due to improving the temperature of pole plate
So as to improve polar board surface energy, while activating the moisture and gas in micropore, being easy to can not by original in follow-up vacuumize
The micro-moisture of drying thoroughly excludes battery, the gas in pole plate powder micropore is also discharged simultaneously so that pole plate electrolyte leads to
Road is cleared completely, and now fluid injection can reach more preferable effect of impregnation, and then improves the performance of battery electrical property.
Wherein, this treats that intercell 4 can be lithium ion battery, and it can be nitrogen to be filled with the gas treated in intercell 4.
The vacuum pressed flow that intercell 4 is treated in the utility model embodiment is:1) entered by loading line 2 with the nitrogen after heating
Gas and moisture in row pressurization, activation pole plate micropore, improve polar board surface activation energy;2) vacuumized using vacuum-pumping pipeline 3,
The gas and moisture of activation are released;3) fluid injection so that electrolyte can rapidly and uniformly infiltrate pole plate;4) gas tube is passed through
Road 2 is pressurizeed with unheated nitrogen, further enhances infiltration of the electrolyte to pole plate.
On the basis of above-described embodiment, as shown in Fig. 2 the battery liquid-filling device can also include:Airtight cavity 9, institute
Heat conduction pipeline 1, vacuum-pumping pipeline 3 and loading line 2 is stated to be respectively positioned in the airtight cavity 9.Treat the seal 8 of intercell 4
Provided with three holes, respectively for the liquid injection hole 7 for injecting electrolyte, for connecting the air-filled pore 5 of loading line 2 and for connecting
The aspirating hole 6 of vacuum-pumping pipeline 3.Wherein, in order to promote heat transfer, the heat conduction pipeline 1 is metal material, and heat conduction pipeline 1 is with filling
Air pipe 2 it is closer to the distance, be easy to heat using the quick gas in loading line 2 of heat-conducting medium in heat conduction pipeline 1.Tool
Body, it can be nitrogen that the gas treated in intercell 4 is filled with by loading line 2.It is preferred that, the heat-conducting medium can be to follow
The dynamic conduction oil of circulation, conduction oil makes the heat conduction oil temperature in loading line 2 be maintained at 70~150 DEG C by circulation.
Certainly, in other embodiments, the heat-conducting medium can also be the conduction oil not circulated, the battery liquid-filling device
Heater can also be included, the heater is used to heat the heat-conducting medium.It is preferred that, the heater can be with
For resistance wire.Resistance wire can be arranged in heat conduction pipeline 1, the heat heat conduction pipeline produced using electric current by resistance wire
Heat-conducting medium in 1.
Further, treat gas in intercell 4 in order to prevent from being filled with and treat that chemistry occurs for intercell 4 and electrolyte
Reaction, it is preferred that the gas in the loading line 2 is inert gas.Such as:Helium, neon and argon gas etc..
The battery liquid-filling device with heating function that this bright embodiment is provided, in the base of traditional vacuum pressurized liquid injection device
On plinth, by the neighbouring setting heat conduction pipeline 1 in original loading line 2, by being passed through heat-conducting medium in heat conduction pipeline 1, profit
With heat conductivity, treat that the gas of intercell 4 is heated to being passed through, the thorough row of clean water point will not be baked in pole plate
Go out, and the temperature of pole piece can be improved, angle of wetting can be increased by improving pole piece, therefore be carried using the utility model embodiment
The technical scheme of confession substantially increases the wetting property of lithium ion battery, while also mitigating the water content in pole plate, solves
Lithium ion battery moves towards a technical barrier in large scale high-energy-density.
As shown in figure 3, the effect of impregnation in order to improve pole plate electrolyte, the battery provided using the utility model embodiment
The flow that priming device carries out battery liquid-filling comprises the following steps:
S1:Heat-conducting medium is passed through in heat conduction pipeline 1;
S2:By loading line 2 to insufflation gas in intercell 4 are treated, by the heat-conducting medium to being filled by described
The gas heating of air pipe 2.
Specifically, the gas being filled with can be nitrogen, treat intercell 4 using the nitrogen after heating and pressurizeed, it is living
Change the gas and moisture in pole plate micropore.
Wherein, as shown in figure 4, also including on the basis of step S1 and S2:
Step S3:After inflation terminates, stop being passed through the heat-conducting medium to the heat conduction pipeline 1;Pass through vacuum-pumping tube
Treat that intercell 4 is vacuumized by described in road 3.
It should be noted that by vacuumizing, further the step S1 and step S2 gases activated and moisture are released,
So that pole plate electrolyte passage is cleared completely, enable follow-up electrolyte completely into the hole to pole plate, reaching one
Good effect of impregnation.
Wherein, as shown in figure 4, after step S1, S2, S3, still further comprising:
Step S4:After evacuation, treat to inject electrolyte in intercell 4 to described, and by the loading line 2 to
It is described to treat to be filled with unheated gas in intercell 4.
Specifically, to treating to inject electrolyte in intercell 4 so that electrolyte can quickly and evenly infiltrate pole plate;
Stop on the premise of being passed through heat-conducting medium in heat conductive pipes road 1, be filled with nitrogen to loading line 2, carried out with unheated nitrogen
Pressurization, further promotes electrolyte completely into the hole of pole plate, infiltration of the enhancing electrolyte to pole plate.
In specification of the present utility model, numerous specific details are set forth.Although it is understood that, it is of the present utility model
Embodiment can be put into practice in the case of these no details.In some instances, be not been shown in detail known method,
Structure and technology, so as not to obscure the understanding of this description.Similarly, it will be appreciated that disclosed to simplify the utility model
And help to understand one or more of each inventive aspect, in description above to exemplary embodiment of the present utility model
In, each feature of the present utility model is grouped together into single embodiment, figure or descriptions thereof sometimes.However, simultaneously
The method of the disclosure should not be explained and be intended in reflection is following:The utility model requirement i.e. claimed is than in each right
It is required that in the more features of feature that are expressly recited.More precisely, as the following claims reflect, inventive aspect
It is all features less than single embodiment disclosed above.Therefore, it then follows claims of embodiment are thus
The embodiment is expressly incorporated in, wherein each claim is in itself as separate embodiments of the present utility model.
Finally it should be noted that:Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System;Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand:It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover among claim of the present utility model and the scope of specification.
Claims (7)
1. a kind of battery liquid-filling device with heating function, it is characterised in that including:
Heat conduction pipeline, with treating vacuum-pumping pipeline and loading line that the seal of intercell is connected;The heat conduction pipeline and institute
The distance between loading line is stated less than preset value;
Heat-conducting medium is connected with the heat conduction pipeline;The heat-conducting medium is used for temperature conduction to the loading line, to logical
The gas for crossing the loading line is heated;
The loading line is used to treat insufflation gas in intercell to described;
The vacuum-pumping pipeline is used to treat that intercell is vacuumized by described after inflation terminates.
2. battery liquid-filling device according to claim 1, it is characterised in that also include:Airtight cavity, the heat conducting pipe
Road, vacuum-pumping pipeline and loading line are respectively positioned in the airtight cavity.
3. battery liquid-filling device according to claim 1, it is characterised in that the gas in the loading line is indifferent gas
Body.
4. battery liquid-filling device according to claim 1, it is characterised in that the heat-conducting medium is the heat conduction circulated
Oil.
5. battery liquid-filling device according to claim 4, it is characterised in that the temperature of the conduction oil is 70~150 DEG C.
6. battery liquid-filling device according to claim 1, it is characterised in that also including heater, the heater
For being heated to the heat-conducting medium.
7. battery liquid-filling device according to claim 6, it is characterised in that the heater is resistance wire.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620947079.3U CN206412410U (en) | 2016-08-25 | 2016-08-25 | Battery liquid-filling device with heating function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620947079.3U CN206412410U (en) | 2016-08-25 | 2016-08-25 | Battery liquid-filling device with heating function |
Publications (1)
Publication Number | Publication Date |
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CN206412410U true CN206412410U (en) | 2017-08-15 |
Family
ID=59547609
Family Applications (1)
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CN201620947079.3U Withdrawn - After Issue CN206412410U (en) | 2016-08-25 | 2016-08-25 | Battery liquid-filling device with heating function |
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CN (1) | CN206412410U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106159187A (en) * | 2016-08-25 | 2016-11-23 | 大连比克动力电池有限公司 | There is battery liquid-filling device and the electrolyte filling method thereof of heating function |
CN111354903A (en) * | 2020-03-13 | 2020-06-30 | 烟台三新新能源科技有限公司 | Electrolyte membrane, production apparatus and production process thereof |
-
2016
- 2016-08-25 CN CN201620947079.3U patent/CN206412410U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106159187A (en) * | 2016-08-25 | 2016-11-23 | 大连比克动力电池有限公司 | There is battery liquid-filling device and the electrolyte filling method thereof of heating function |
CN106159187B (en) * | 2016-08-25 | 2019-01-29 | 大连中比动力电池有限公司 | Battery liquid-filling device and its electrolyte filling method with heating function |
CN111354903A (en) * | 2020-03-13 | 2020-06-30 | 烟台三新新能源科技有限公司 | Electrolyte membrane, production apparatus and production process thereof |
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AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20170815 Effective date of abandoning: 20190129 |
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Granted publication date: 20170815 Effective date of abandoning: 20190129 |