CN106025168A - Lithium battery electrolyte injecting device and lithium battery electrolyte injecting method - Google Patents
Lithium battery electrolyte injecting device and lithium battery electrolyte injecting method Download PDFInfo
- Publication number
- CN106025168A CN106025168A CN201610594304.4A CN201610594304A CN106025168A CN 106025168 A CN106025168 A CN 106025168A CN 201610594304 A CN201610594304 A CN 201610594304A CN 106025168 A CN106025168 A CN 106025168A
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- 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.)
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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
-
- 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)
- Filling, Topping-Up Batteries (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a lithium battery electrolyte injecting device and a lithium battery electrolyte injecting method. The lithium battery electrolyte injecting device comprises a steel case, a sealing ring and an electrolyte mist spray device, wherein the sealing ring is matched with an end opening of the steel case; the electrolyte spraying device is matched with the sealing ring, and comprises a pressure cavity, a vacuum pumping passage and atomization spray heads uniformly distributed at the lower bottom surface of the pressure cavity. The lithium battery electrolyte injecting device using the structure design has the advantages that electrolyte can be smoothly injected; the occurrence of electrolyte discharging difficulty caused by the surface tension due to a gap formed between the electrolyte and a diaphragm pole piece is effectively avoided.
Description
Technical field
The present invention relates to power battery technology field, particularly relate to a kind of lithium battery priming device and fluid injection side thereof
Method.
Background technology
General lithium ion battery typically uses the electrolyte by required reservoir quantity the most all to inject, electrolyte
Produce bigger surface tension between the barrier film pole piece space of meeting and battery core, in turn result in liquid difficulty under electrolyte.
Summary of the invention
It is an object of the invention to provide a kind of lithium battery priming device enabling to the smooth and easy fluid injection of electrolyte and
Its electrolyte filling method.
For reaching this purpose, the present invention by the following technical solutions:
A kind of lithium battery priming device, the sealing ring matched including the port of box hat with described box hat, with
And the electrolyte sprayer unit matched with described sealing ring, described electrolyte sprayer unit include pressure chamber,
Evacuation passageway and be distributed in the atomizer of described pressure chamber bottom surface.
Wherein, the sidewall of described port surrounding is inwardly convexly equipped with flange, and the upper surface of described flange has set up
State sealing ring.
Wherein, the middle part of described sealing ring is provided with the through hole connected with described evacuation passageway.
Wherein, the sealing ring of described through hole surrounding is evenly distributed in the showerhead hole matched with described atomizer.
Wherein, described pressure chamber uses injection moulding integrated molding with described evacuation passageway.
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, described pressurization mouth and external pressurization machine
Being connected, described liquid injection port is provided with sealing lid.
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, including with
Lower step:
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 deposited in pressure chamber is passed through
It is arranged on the atomizer bottom pressure chamber to spray in battery core cavity；
3). close external pressurization machine, stop electrolyte and inject；Start external vacuum pump and pass through evacuation passageway
Battery core cavity is carried out evacuation operation；
4). close external vacuum pump, stop evacuation operation；Start external pressurization machine, sequentially enter next
Circulation.
Beneficial effects of the present invention: the present invention include sealing ring that box hat matches with the port of described box hat,
And the electrolyte sprayer unit matched with described sealing ring, described electrolyte sprayer unit include pressure chamber,
Evacuation passageway and be distributed in the atomizer of described pressure chamber bottom surface.The lithium electricity designed with this structure
Pond priming device, it is possible to make electrolyte carry out fluid injection smoothly, efficiently solves because of electrolyte and barrier film pole
Produced surface tension between sheet space, and cause the generation of liquid difficult problem under electrolyte.
Accompanying drawing explanation
Fig. 1 is a kind of lithium battery priming device of the present invention and the structural representation of electrolyte filling method thereof.
Fig. 2 is the top view of electrolyte sprayer unit bottom surface in Fig. 1.
Detailed description of the invention
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.
As depicted in figs. 1 and 2, a kind of lithium battery priming device in the present embodiment, including box hat 1 with described
Sealing ring 2 that the port of box hat 1 matches and the electrolyte sprayer unit matched with described sealing ring 2
3, described electrolyte sprayer unit 3 includes pressure chamber 31, evacuation passageway 32 and is distributed in described pressure
The atomizer 33 of power chamber 31 bottom surface.
Concrete, the sidewall of the port surrounding of box hat 1 described in the present embodiment is inwardly convexly equipped with flange 11, institute
The upper surface erection stating flange 11 has 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 connect with described evacuation passageway 32 logical
Hole 21.The sealing ring 2 of described through hole 21 surrounding is evenly distributed in the spray matched with described atomizer 33
Head bore.Arrange with this, it is possible to the battery core being installed in box hat is in the environment of an opposing seal,
Thus by pressure, electrolyte is fully contacted with battery core.
In the present embodiment, described pressure chamber 31 uses injection moulding integrated molding with described evacuation passageway 32, institute
Stating pressure chamber 31 circumference and be distributed in the periphery of described evacuation passageway 32, 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 with outside
Vacuum pump is connected.Arrange with this, it is possible to easily and effectively carry out fluid injection and supercharging.
A kind of lithium battery electrolyte filling method, including the lithium battery priming device described in above-mentioned any one, including with
Lower step:
1). the port of electrolyte sprayer unit 3 with box hat 1 is matched so that the battery core in box hat is in
In the environment of one opposing seal.
2). start the external pressurization machine being connected with pressure chamber 31, the electrolysis in pressure chamber 31 will be deposited in
Liquid sprays in battery core cavity by being arranged on the atomizer 33 bottom pressure chamber 31；
3). close external pressurization machine, stop electrolyte and inject；Start external vacuum pump and pass through evacuation passageway
32 pairs of battery core cavitys carry out evacuation operation；Arrange with this step.Certain negative pressure can be formed in box hat,
And then advantageously allow previous step and spray into the electrolyte in cylinder shell and be fully combined with battery core.
4). close external vacuum pump, stop evacuation operation；Start external pressurization machine, sequentially enter next
Circulation.Arrange in this way.By interval evacuation operation, be conducive to by the electrolyte that sprays into fully and steel
Battery core in shell combines.
The know-why of the present invention is described above in association with specific embodiment.These describe and are intended merely to explain this
The principle of invention, and limiting the scope of the invention can not be construed to by any way.Based on herein
Explaining, those skilled in the art need not pay performing creative labour can associate other tool of the present invention
Body embodiment, within these modes fall within protection scope of the present invention.
Claims (9)
1. a lithium battery priming device, it is characterized in that: including the sealing ring that box hat matches and the electrolyte sprayer unit matched with described sealing ring with the port of described box hat, described electrolyte sprayer unit includes pressure chamber, evacuation passageway and is distributed in the atomizer of described pressure chamber bottom surface.
A kind of lithium battery priming device the most according to claim 1, it is characterised in that: the sidewall of described port surrounding is inwardly convexly equipped with flange, and the upper surface of described flange sets up described sealing ring.
A kind of lithium battery priming device the most according to claim 2, it is characterised in that: the middle part of described sealing ring is provided with the through hole connected with described evacuation passageway.
A kind of lithium battery priming device the most according to claim 3, it is characterised in that: the sealing ring of described through hole surrounding is evenly distributed in the showerhead hole matched with described atomizer.
A kind of lithium battery priming device the most according to claim 1, it is characterised in that: described pressure chamber uses injection moulding integrated molding with described evacuation passageway.
A kind of lithium battery priming device the most according to claim 1, it is characterised in that: described pressure chamber circumference is distributed in the periphery of described evacuation passageway.
A kind of lithium battery priming device the most according to claim 1, it is characterised in that: described pressure chamber is respectively arranged with liquid injection port and pressurization mouth, and described pressurization mouth is connected with external pressurization machine, and described liquid injection port is provided with sealing lid.
A kind of lithium battery priming device the most according to claim 1, it is characterised in that: described evacuation passageway is connected with external vacuum pump.
9. a lithium battery electrolyte filling method, including the lithium battery priming device described in the claims 1 to 8 any one, it is characterised in that comprise 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 deposited in pressure chamber is sprayed in battery core cavity by being arranged on the atomizer bottom pressure chamber；
3) close external pressurization machine, stop electrolyte and inject；Start external vacuum pump, by evacuation passageway, battery core cavity is carried out evacuation operation；
4) close external vacuum pump, stop evacuation operation；Start external pressurization machine, sequentially enter subsequent cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610594304.4A CN106025168B (en) | 2016-07-26 | 2016-07-26 | A kind of lithium battery priming device and its electrolyte filling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610594304.4A CN106025168B (en) | 2016-07-26 | 2016-07-26 | A kind of lithium battery priming device and its electrolyte filling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106025168A true CN106025168A (en) | 2016-10-12 |
| CN106025168B CN106025168B (en) | 2019-01-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610594304.4A Active CN106025168B (en) | 2016-07-26 | 2016-07-26 | A kind of lithium battery priming device and its electrolyte filling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106025168B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3911972A (en) * | 1971-05-27 | 1975-10-14 | Ernst Hubers | Method of filling containers enclosing solid matter with an accurate amount of liquid |
| CN201336330Y (en) * | 2009-01-07 | 2009-10-28 | 广州兰格电气设备有限公司 | Electrolyte filling head |
| CN204760472U (en) * | 2015-07-06 | 2015-11-11 | 北京波士顿动力电池有限公司 | Cylinder lithium ion battery annotates liquid retainer cup |
| CN205960092U (en) * | 2016-07-26 | 2017-02-15 | 惠州亿纬锂能股份有限公司 | Electrolyte injection device for lithium battery |
-
2016
- 2016-07-26 CN CN201610594304.4A patent/CN106025168B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3911972A (en) * | 1971-05-27 | 1975-10-14 | Ernst Hubers | Method of filling containers enclosing solid matter with an accurate amount of liquid |
| CN201336330Y (en) * | 2009-01-07 | 2009-10-28 | 广州兰格电气设备有限公司 | Electrolyte filling head |
| CN204760472U (en) * | 2015-07-06 | 2015-11-11 | 北京波士顿动力电池有限公司 | Cylinder lithium ion battery annotates liquid retainer cup |
| CN205960092U (en) * | 2016-07-26 | 2017-02-15 | 惠州亿纬锂能股份有限公司 | Electrolyte injection device for lithium battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106025168B (en) | 2019-01-29 |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211229 Address after: 315501 No. 3, Xinghai Road, Binhai New Area, economic development zone, Fenghua District, Ningbo City, Zhejiang Province Patentee after: Ningbo EVE Chuang Energy Lithium Battery Co.,Ltd. Address before: 516006 No. 36 Huifeng Road, Zhongkai High-tech Zone, Huizhou City, Guangdong Province Patentee before: EVE ENERGY Co.,Ltd. |
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| TR01 | Transfer of patent right |