CN206412410U - Battery liquid-filling device with heating function - Google Patents

Battery liquid-filling device with heating function Download PDF

Info

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Withdrawn - After Issue
Application number
CN201620947079.3U
Other languages
Chinese (zh)
Inventor
崔玉刚
孙威
田秀君
薄晋科
张亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian CBAK Power Battery Co Ltd
Original Assignee
Dalian CBAK Power Battery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dalian CBAK Power Battery Co Ltd filed Critical Dalian CBAK Power Battery Co Ltd
Priority to CN201620947079.3U priority Critical patent/CN206412410U/en
Application granted granted Critical
Publication of CN206412410U publication Critical patent/CN206412410U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy 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

Battery liquid-filling device with heating function
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.
CN201620947079.3U 2016-08-25 2016-08-25 Battery liquid-filling device with heating function Withdrawn - After Issue CN206412410U (en)

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
CN206412410U true CN206412410U (en) 2017-08-15

Family

ID=59547609

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620947079.3U Withdrawn - After Issue CN206412410U (en) 2016-08-25 2016-08-25 Battery liquid-filling device with heating function

Country Status (1)

Country Link
CN (1) CN206412410U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN102646809B (en) Filling and activating method for flexible-packaging lithium ion battery
CN107464955B (en) A kind of electrolyte wetting method of soft bag lithium ionic cell
CN206412410U (en) Battery liquid-filling device with heating function
CN102651481A (en) Multi-process integrated device for lithium battery
CN107546419A (en) Method is shelved after a kind of Soft Roll lamination lithium-ion-power cell fluid injection
CN103367693B (en) The dry liquid injection system of lithium battery and dry electrolyte filling method
CN104916848A (en) Method for improving battery low-temperature starting performance
JP2012511424A5 (en)
CN112688033B (en) Cylindrical battery cell liquid injection device and liquid injection method
CN103531827A (en) Method for improving electrochemical activity of graphite felt of positive electrode of flow battery
CN108023104A (en) A kind of bipolar plate of vanadium cell and preparation method thereof
CN106159187B (en) Battery liquid-filling device and its electrolyte filling method with heating function
CN107331833A (en) A kind of preparation method of anode material of lithium-ion battery
CN106450428A (en) Hot-pressing formation control method for lithium-ion batteries
CN103243354B (en) Aluminium electroloysis carries low-resistance method
CN106025195A (en) Method for preparing multistage pore diameter distribution containing sodium-ion battery negative electrode carbon material
CN112090418B (en) Special electric regeneration method and device for honeycomb carbon
CN205518363U (en) SPE membrane electrode subassembly automatic spraying device
CN203415651U (en) Dry lithium battery liquid filling system
CN211350868U (en) Production device for lithium battery electrolyte
CN202965034U (en) Electrothermic type tire vulcanizer heating plate
CN104851948B (en) Method for preparing Gamma-CuI nanowire
CN106196906A (en) A kind of dewatering for lithium-ion electric core and dehydration equipment
CN107134574A (en) The method for preparing the cellular redox graphene stannic disulfide compounds of 3D
CN104562086B (en) A kind of temperature-adjustable metal lithium electrolytic bath

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20170815

Effective date of abandoning: 20190129

AV01 Patent right actively abandoned

Granted publication date: 20170815

Effective date of abandoning: 20190129