CN205960092U - Electrolyte injection device for lithium battery - Google Patents
Electrolyte injection device for lithium battery Download PDFInfo
- Publication number
- CN205960092U CN205960092U CN201620796126.9U CN201620796126U CN205960092U CN 205960092 U CN205960092 U CN 205960092U CN 201620796126 U CN201620796126 U CN 201620796126U CN 205960092 U CN205960092 U CN 205960092U
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- electrolyte
- pressure chamber
- priming device
- sealing ring
- 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.)
- Expired - Fee Related
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Classifications
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- 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)
- Secondary Cells (AREA)
Abstract
The utility model discloses an electrolyte injection device for lithium battery, including the box hat, with the port matched with sealing washer of box hat and with sealing washer matched with electrolyte atomizer, electrolyte atomizer include pressure chamber, evacuation passageway and equipartition in the atomizer of bottom surface under the pressure chamber. With this structural design's electrolyte injection device for lithium battery, can make the smooth and easy liquid of annotating of electrolyte, effectively solved because of produced surface tension between electrolyte and unfamiliar pole piece space, and caused the emergence of the difficult problem of liquid under the electrolyte.
Description
Technical field
This utility model is related to power battery technology field, more particularly, to a kind of lithium battery priming device.
Background technology
General lithium ion battery typically disposably all injects using by the electrolyte of required reservoir quantity, and electrolyte can be with electricity
Produce larger surface tension between the barrier film pole piece space of core, in turn result in liquid under electrolyte difficult.
Utility model content
The purpose of this utility model is to provide a kind of lithium battery priming device enabling to the smooth fluid injection of electrolyte.
For reaching this purpose, this utility model employs the following technical solutions：
A kind of lithium battery priming device, the sealing ring matching with the port of described box hat including box hat and with described
The electrolyte sprayer unit that sealing ring matches, described electrolyte sprayer unit includes pressure chamber, evacuation passageway and uniform
Atomizer in described pressure chamber bottom surface.
Wherein, the side wall of described port surrounding is inwardly convexly equipped with flange, and the upper surface of described flange sets up described sealing
Circle.
Wherein, the middle part of described sealing ring is provided with the through hole connecting with described evacuation passageway.
Wherein, the sealing ring of described through hole surrounding is evenly distributed in the showerhead hole matching with described atomizer.
Wherein, described pressure chamber and described evacuation passageway adopt injection moulding integrated molding.
Wherein, described pressure chamber circumference is distributed in the periphery of described evacuation passageway.
Wherein, described pressure chamber is respectively arranged with liquid injection port and pressurization mouth, and described pressurization mouth is connected with external pressurization machine,
Described liquid injection port is provided with closure.
Wherein, described evacuation passageway is connected with external vacuum pump.
A kind of lithium battery electrolyte filling method, including the lithium battery priming device described in above-mentioned any one, comprises the following steps：
1). electrolyte sprayer unit is matched with the port of box hat；
2). start the external pressurization machine being connected with pressure chamber, the electrolyte depositing in pressure intracavity is passed through to be arranged on
The atomizer of pressure chamber bottom sprays in battery core cavity；
3). close external pressurization machine, stop electrolyte injection；Start external vacuum pump and pass through evacuation passageway to battery core chamber
Body carries out evacuation operation；
4). close external vacuum pump, stop evacuation operation；Start external pressurization machine, enter subsequent cycle according to this.
The beneficial effects of the utility model：This utility model includes the sealing that box hat is matched with the port of described box hat
Circle and the electrolyte sprayer unit matching with described sealing ring, described electrolyte sprayer unit includes pressure chamber, evacuation
Passage and the atomizer being distributed in described pressure chamber bottom surface.With the lithium battery priming device of this structure design, can make
Obtain electrolyte and smoothly carry out fluid injection, efficiently solve because of produced surface tension between electrolyte and barrier film pole piece space, and
Cause the generation of liquid difficult problem under electrolyte.
Brief description
Fig. 1 is a kind of structural representation of lithium battery priming device of this utility model.
Fig. 2 is the top view of electrolyte sprayer unit bottom surface in Fig. 1.
Specific embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by specific embodiment.
As depicted in figs. 1 and 2, a kind of lithium battery priming device in the present embodiment, including the end of box hat 1 and described box hat 1
Sealing ring 2 and the electrolyte sprayer unit 3 matching with described sealing ring 2 that mouth matches, described electrolyte sprayer unit
3 atomizers 33 including pressure chamber 31, evacuation passageway 32 and being distributed in described pressure chamber 31 bottom surface.
Specifically, the side wall of the port surrounding of box hat 1 described in the present embodiment is inwardly convexly equipped with flange 11, described flange 11
Upper surface set up have described sealing ring 2.Sealing slot rolling when this flange 11 seals for box hat.
In the present embodiment, the middle part of described sealing ring 2 is provided with the through hole 21 connecting with described evacuation passageway 32.Institute
The sealing ring 2 stating through hole 21 surrounding is evenly distributed in the showerhead hole matching with described atomizer 33.Arranged with this, can make
The battery core must being installed in box hat is in the environment of an opposing seal, thus making electrolyte abundant with battery core by pressure
Contact.
In the present embodiment, described pressure chamber 31 adopts injection moulding integrated molding with described evacuation passageway 32, described pressure chamber
31 circumferences are distributed in the periphery of described evacuation passageway 32, and described pressure chamber 31 is respectively arranged with liquid injection port and pressurization mouth, described
Pressurization mouth is connected with external pressurization machine, and described evacuation passageway 32 is connected with external vacuum pump.Arranged with this, can facilitate
Effectively carry out fluid injection and supercharging.
In the present embodiment, a kind of lithium battery electrolyte filling method, comprises the following steps：
1). electrolyte sprayer unit 3 is matched with the port of box hat 1 so that the battery core in box hat be in one relative
In the environment of sealing.
2). start the external pressurization machine being connected with pressure chamber 31, the electrolyte deposited in pressure chamber 31 is passed through to set
Put and spray in battery core cavity in the atomizer 33 of pressure chamber 31 bottom；
3). close external pressurization machine, stop electrolyte injection；Start external vacuum pump and pass through evacuation passageway 32 to battery core
Cavity carries out evacuation operation；With the setting of this step.Certain negative pressure can be formed in box hat, and then advantageously allow one
The electrolyte that step sprays in cylinder shell is fully combined with battery core.
4). close external vacuum pump, stop evacuation operation；Start external pressurization machine, sequentially enter subsequent cycle.With this
Mode is arranged.By being spaced evacuation operation, be conducive to fully being combined the electrolyte spraying into the battery core in box hat.
Describe know-why of the present utility model above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the restriction to this utility model protection domain can not be construed to by any way.Based on explanation herein,
Those skilled in the art does not need to pay performing creative labour and can associate other specific embodiment of the present utility model,
These modes fall within protection domain of the present utility model.
Claims (8)
1. a kind of lithium battery priming device it is characterised in that:The sealing ring that matches with the port of described box hat including box hat,
And the electrolyte sprayer unit matching with described sealing ring, described electrolyte sprayer unit includes pressure chamber, evacuation leads to
Road and the atomizer being distributed in described pressure chamber bottom surface.
2. a kind of lithium battery priming device according to claim 1 it is characterised in that：The side wall of described port surrounding is inside
It is convexly equipped with flange, the upper surface of described flange sets up described sealing ring.
3. a kind of lithium battery priming device according to claim 2 it is characterised in that：The middle part of described sealing ring is provided with
The through hole connecting with described evacuation passageway.
4. a kind of lithium battery priming device according to claim 3 it is characterised in that：The sealing ring circle of described through hole surrounding
It is evenly equipped with the showerhead hole matching with described atomizer week.
5. a kind of lithium battery priming device according to claim 1 it is characterised in that：Described pressure chamber and described evacuation
Passage adopts injection moulding integrated molding.
6. a kind of lithium battery priming device according to claim 1 it is characterised in that：Described pressure chamber circumference is distributed in institute
State the periphery of evacuation passageway.
7. a kind of lithium battery priming device according to claim 1 it is characterised in that：Described pressure chamber is respectively arranged with note
Liquid mouth and pressurization mouth, described pressurization mouth is connected with external pressurization machine, and described liquid injection port is provided with closure.
8. a kind of lithium battery priming device according to claim 1 it is characterised in that：Described evacuation passageway is true with outside
Empty pump is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620796126.9U CN205960092U (en) | 2016-07-26 | 2016-07-26 | Electrolyte injection device for lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620796126.9U CN205960092U (en) | 2016-07-26 | 2016-07-26 | Electrolyte injection device for lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205960092U true CN205960092U (en) | 2017-02-15 |
Family
ID=57974134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620796126.9U Expired - Fee Related CN205960092U (en) | 2016-07-26 | 2016-07-26 | Electrolyte injection device for lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205960092U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025168A (en) * | 2016-07-26 | 2016-10-12 | 惠州亿纬锂能股份有限公司 | Lithium battery electrolyte injecting device and lithium battery electrolyte injecting method |
| CN108847473A (en) * | 2018-06-26 | 2018-11-20 | 桑顿新能源科技有限公司 | A kind of lithium battery electrolytes heating priming device |
-
2016
- 2016-07-26 CN CN201620796126.9U patent/CN205960092U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025168A (en) * | 2016-07-26 | 2016-10-12 | 惠州亿纬锂能股份有限公司 | Lithium battery electrolyte injecting device and lithium battery electrolyte injecting method |
| CN106025168B (en) * | 2016-07-26 | 2019-01-29 | 惠州亿纬锂能股份有限公司 | A kind of lithium battery priming device and its electrolyte filling method |
| CN108847473A (en) * | 2018-06-26 | 2018-11-20 | 桑顿新能源科技有限公司 | A kind of lithium battery electrolytes heating priming device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20190726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |