CN204407409U - A kind of lithium-ion battery liquid injection device - Google Patents
A kind of lithium-ion battery liquid injection device Download PDFInfo
- Publication number
- CN204407409U CN204407409U CN201520076506.0U CN201520076506U CN204407409U CN 204407409 U CN204407409 U CN 204407409U CN 201520076506 U CN201520076506 U CN 201520076506U CN 204407409 U CN204407409 U CN 204407409U
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- pipeline
- fluid injection
- lithium
- ion battery
- liquid injection
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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
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- Secondary Cells (AREA)
Abstract
The utility model discloses a kind of lithium-ion battery liquid injection device, it comprises pipeline component, described pipeline component comprises airflow pipeline, fluid injection pipeline and is connected pipeline, described airflow pipeline, fluid injection pipeline and linking pipeline intersect and are connected, described airflow pipeline is provided with the first valve, described fluid injection pipeline is provided with the second valve.The utility model can substantially increase the quality of electrolyte in battery core and performance, effectively ensures and improves the comprehensive electrochemical of battery core.
Description
Technical field
The utility model relates to lithium ion battery production technical field, particularly relates to a kind of device of fluid injection of high capacity lithium ion battery.
Background technology
It is high that lithium ion battery has energy density, average output voltage is high, and power output is large, and self discharge is little, memory-less effect, many advantages such as cycle performance is superior, pollution-free, are widely used in pure electric automobile at present, wind-light complementary energy storage power station, mobile communication base station, the numerous areas such as aviation and military affairs, have good economic benefit, social benefit and strategic importance.Therefore we have higher requirement to lithium ion battery, not only will reduce costs, and also will improve the various electrical properties of battery.This just requires that we not only will make a breakthrough in material property improvement, and the most effectively improves the production efficiency manufacturing battery, optimizes the production technology manufacturing battery.
Electrolyte is the important component part of lithium ion battery, is the carrier of ion transfer between both positive and negative polarity.In the production process of lithium ion battery, fluid injection is a very important operation, and it, mainly to the battery core of having dried completely, carries out filling electrolyte by liquid injection hole to it.Traditional fluid injection mode, that electrolyte is stored in high-pressure container, again by electrolyte by tubes connection to some priming device (comprising automatic filling machine), annotated stage by stage among battery core by electrolyte by these priming devices, each stage needs the static a very long time again.
But above-mentioned electrolyte filling method has following shortcoming: 1, owing to having air in battery core, can not be absorbed by battery core very soon after electrolyte is injected into battery core, and electrolyte flowing velocity and seepage velocity in battery core is very slow; What is more, as fluid injection speed is too fast, will after fluid injection, and electrolyte ejection battery core is outside, causes wastage of material on the one hand, works the mischief on the other hand to the safety of operative employee.Therefore this just requires to carry out slow fluid injection (especially high capacity lithium ion battery) stage by stage, namely annotate after a certain amount of electrolyte, by static for the battery core a very long time, and then annotate, repeatedly several times after electrolyte could be annotated completely inner to battery core, this just causes fluid injection operation consuming time very long, reduces production efficiency.2, because battery core inside has large quantity of air to exist, electrolyte is annotated into battery core and can be contacted with air, in addition there is complicated chemical reaction in static some compositions in electrolyte and air and the impurity of may causing for a long time, affect electrolyte quality and performance, thus affect the various chemical properties of battery core.
Utility model content
The object of this part is to summarize some aspects of embodiment of the present utility model and briefly introduces some better embodiment.May do in the specification digest and utility model title of this part and the application a little simplify or omit with avoid making this part, specification digest and utility model title object fuzzy, and this simplification or omit and can not be used for limiting scope of the present utility model.
In view of Problems existing in above-mentioned and/or existing lithium-ion battery liquid injection device and electrolyte filling method, propose the utility model.
Therefore, an object of the present utility model is to provide a kind of lithium-ion battery liquid injection device, and electrolyte can be annotated to battery core by fast, increases work efficiency, and improves the fail safe of operation.
For solving the problems of the technologies described above, according to an aspect of the present utility model, the utility model provides following technical scheme: a kind of lithium-ion battery liquid injection device, it comprises pipeline component, described pipeline component comprises airflow pipeline, fluid injection pipeline and is connected pipeline, described airflow pipeline, fluid injection pipeline and linking pipeline intersect and are connected, and described airflow pipeline is provided with the first valve, described fluid injection pipeline is provided with the second valve.
As a kind of preferred version of lithium-ion battery liquid injection device described in the utility model, wherein: also comprise, vacuumizing part, described vacuumizing part is connected with one end of described airflow pipeline.
As a kind of preferred version of lithium-ion battery liquid injection device described in the utility model, wherein: also comprise, fluid injection parts, described fluid injection parts are connected with one end of described fluid injection pipeline.
As a kind of preferred version of lithium-ion battery liquid injection device described in the utility model, wherein: also comprise, seal member, described seal member is connected with described linking pipeline.
As a kind of preferred version of lithium-ion battery liquid injection device described in the utility model, wherein: the material that described seal member adopts is ethylene propylene diene rubber.
As a kind of preferred version of lithium-ion battery liquid injection device described in the utility model, wherein: described airflow pipeline, fluid injection pipeline and linking pipeline intersect and be connected, and are be connected by threeway thus be connected.
The beneficial effects of the utility model:
(1) first battery core is vacuumized before fluid injection owing to adopting, ensure that battery core internal pressure is negative value, therefore in injection process, it is inner that electrolyte can inject battery core by original priming device rapidly in a large number, do not need the technique carrying out wanting segmentation fluid injection segmentation static, improve the production efficiency of fluid injection operation greatly;
(2) electrolyte also by liquid injection hole splash out, can not cause raw-material waste;
(3) safety of operating personnel is ensured;
(4) because battery core inside before fluid injection and in fluid injection is evacuated, electrolyte just avoids after entering battery core and large quantity of air Long contact time, thus avoid the chemical reaction that battery core electrolyte inside and air produce various complexity, ensure that quality and the performance of electrolyte, ensure further and improve the various chemical properties of battery core.
Accompanying drawing explanation
Fig. 1 is lithium-ion battery liquid injection device using state schematic diagram described in the utility model embodiment.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail below by embodiment of the present utility model.
Set forth a lot of detail in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.
Adopt the utility model provide the lithium-ion battery liquid injection device of technical scheme as shown in Figure 1, it comprises vacuumizing part 3, pipeline component and fluid injection parts 8, pipeline component includes airflow pipeline 1, fluid injection pipeline 6 and is connected pipeline, airflow pipeline 1, fluid injection pipeline 6 and linking pipeline intersect and are connected, airflow pipeline 1 is provided with the first valve 2, fluid injection pipeline 6 is provided with the second valve 7.Vacuumizing part 3 is connected with one end of airflow pipeline 1, and fluid injection parts 8 are connected with one end of fluid injection pipeline 6.
In one embodiment, lithium-ion battery liquid injection device also comprises, seal member 5, and it is connected with linking pipeline.In order to better realize sealing corrosion-resistant function, the material that seal member 5 adopts is ethylene propylene diene rubber.
And airflow pipeline 1, fluid injection pipeline 6 and linking pipeline intersection are connected, be connected by threeway 4 thus be connected.
Airflow pipeline 1 is connected to vacuumizing part 3 side, first valve 2 controls to vacuumize battery core 10, fluid injection pipeline 6 is connected to fluid injection parts 8, second valve 7 controls fluid injection parts 8 pairs of battery cores 10 and carries out fluid injection, liquid injection hole 9 is isolated from the outside and seals by seal member 5, and airflow pipeline 1, fluid injection pipeline 6 and linking pipeline are connected by threeway 4.
Concrete, before fluid injection, close the second valve 7 connecting fluid injection parts 8, seal member 5 and battery core liquid injection hole 9 are connected and sealed, open the first valve 2 connecting vacuumizing part 3 side, vacuumize battery core 10, in battery core 10, air is drawn out of; After the time vacuumized battery core 10 and internal vacuum (internal pressure) meet technological requirement, close the first valve 2 connecting and vacuumize side, open the second valve 7 connecting fluid injection parts 8 side, start to carry out fluid injection to battery core 10.
Because now battery core 10 inside is negative pressure state, fluid injection parts 8 side is malleation, electrolyte can be made to rapidly flow toward in battery core 10, and absorbed fast by battery core 10 by the effect of pressure differential; When after the reservoir quantity reaching technological requirement, close and connect fluid injection parts 8 side second valve 7, complete fluid injection work.
It should be noted that, in this device, all annexes are acid-alkali-corrosive-resisting material, and especially seal member 5 is ethylene propylene diene rubber.
To sum up, adopt the utility model method to provide technical scheme to vacuumize servicing unit and have following advantage:
1, structure is simple, easy to make;
2, fluid injection production efficiency can effectively be improved;
3, can effectively prevent from working the mischief to operating personnel in injection process;
4, avoid the waste of electrolyte, provide cost savings;
5, substantially increase the quality of electrolyte in battery core and performance, effectively ensure and improve the comprehensive electrochemical of battery core.
It should be noted that, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (6)
1. a lithium-ion battery liquid injection device, is characterized in that: comprise pipeline component, and described pipeline component comprises airflow pipeline, fluid injection pipeline and is connected pipeline,
Described airflow pipeline, fluid injection pipeline and linking pipeline intersect and are connected, and described airflow pipeline is provided with the first valve, described fluid injection pipeline is provided with the second valve.
2. lithium-ion battery liquid injection device as claimed in claim 1, it is characterized in that: also comprise, vacuumizing part, described vacuumizing part is connected with one end of described airflow pipeline.
3. lithium-ion battery liquid injection device as claimed in claim 1 or 2, it is characterized in that: also comprise, fluid injection parts, described fluid injection parts are connected with one end of described fluid injection pipeline.
4. lithium-ion battery liquid injection device as claimed in claim 3, it is characterized in that: also comprise, seal member, described seal member is connected with described linking pipeline.
5. lithium-ion battery liquid injection device as claimed in claim 4, is characterized in that: the material that described seal member adopts is ethylene propylene diene rubber.
6. lithium-ion battery liquid injection device as claimed in claim 5, is characterized in that: described airflow pipeline, fluid injection pipeline and linking pipeline intersect and be connected, and are be connected by threeway thus be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520076506.0U CN204407409U (en) | 2015-02-03 | 2015-02-03 | A kind of lithium-ion battery liquid injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520076506.0U CN204407409U (en) | 2015-02-03 | 2015-02-03 | A kind of lithium-ion battery liquid injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204407409U true CN204407409U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520076506.0U Expired - Fee Related CN204407409U (en) | 2015-02-03 | 2015-02-03 | A kind of lithium-ion battery liquid injection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701484A (en) * | 2015-02-03 | 2015-06-10 | 张玉清 | Lithium ion battery electrolyte injecting device and method thereof |
| CN107225376A (en) * | 2017-06-21 | 2017-10-03 | 杭州瀚亨实业有限公司 | A kind of production technology of micro ultrathin heat pipe |
-
2015
- 2015-02-03 CN CN201520076506.0U patent/CN204407409U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701484A (en) * | 2015-02-03 | 2015-06-10 | 张玉清 | Lithium ion battery electrolyte injecting device and method thereof |
| CN107225376A (en) * | 2017-06-21 | 2017-10-03 | 杭州瀚亨实业有限公司 | A kind of production technology of micro ultrathin heat pipe |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20190203 |