CN102386434B - A kind of battery core changes into method for packing - Google Patents
A kind of battery core changes into method for packing Download PDFInfo
- Publication number
- CN102386434B CN102386434B CN201010270547.5A CN201010270547A CN102386434B CN 102386434 B CN102386434 B CN 102386434B CN 201010270547 A CN201010270547 A CN 201010270547A CN 102386434 B CN102386434 B CN 102386434B
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- CN
- China
- Prior art keywords
- battery
- battery core
- plastics
- liquid injection
- working
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The present invention relates to battery manufacturing process, a kind of especially a kind of method of Battery formation encapsulation.Comprise the steps: first to carry out sealing in advance the liquid injection port of battery core with working of plastics; Then change into; Remove working of plastics again; Finally with metalwork, secondary sealing is carried out to liquid injection port.The present invention's plastic cement seals battery by pearl in advance, then carries out remaining silent changing into, and mainly avoids the formation process of battery to be subject to the impact of the moisture of environment from production technology; Complete after changing into, by the mode of hot melt, the plastic cement pearls such as PP/PE/PET/PS are melted, extract internal gas again, then with steel ball, battery is sealed, realize the exhaust of battery and be not subject to the condition lower sealing of environmental impact, secure to battery performance, each step all can have machinery to complete processing simultaneously, not only increase the cost that production efficiency reduces processing procedure, and improve the precision of processing, avoid the situation that consistency that manual operation causes is poor, also have good guarantee to the performance of product.
Description
Technical field
The present invention relates to battery manufacturing process, a kind of especially a kind of method of Battery formation encapsulation.
Background technology
Original chemical synthesis technology sticks one deck gummed paper at liquid injection hole after battery core fluid injection, re-uses rubber band and tie up paper handkerchief or overlap specific gum cover to seal liquid injection hole, to ensure in rear operation as moisture such as activating, change into is difficult to enter a kind of chemical synthesis technology of battery core.
Original chemical synthesis technology is the comparatively simple encapsulating method of one, mainly there is following shortcoming:
First: the cellophane tape after fluid injection easily comes off, just do not reach sealing effectiveness after gummed paper comes off, have a strong impact on battery core performance or battery core is scrapped;
Second: the method by mainly manual operation, complex procedures, consistency is poor, process capability and operative relationship larger.This is the mode that a kind of object and isoelectric membrane seal, and there is the hidden danger of poor sealing;
3rd: the gas produced in formation process makes voltage rise in battery core high, if battery core poor sealing, internal pressure can make electrolyte flow out from liquid injection hole, pollutes battery core surface or corrosion formation device.
Summary of the invention
The invention provides a kind of ensure battery exhaust and be not subject to the processing method of condition lower sealing of environmental impact.
To achieve these goals, the present invention adopts following steps:
1, carry out sealing in advance the liquid injection port of battery core with working of plastics;
2, change into;
3, working of plastics is removed;
4, with metalwork, secondary sealing is carried out to liquid injection port;
Described liquid injection port is circular poroid, and described working of plastics is plastic bead, described metalwork is steel ball;
Described removal working of plastics step is heating melting plastic bead.
In above-mentioned steps, between described step 3 and step 4, comprise step:
3A, pump gas in battery core.
In above-mentioned steps, described plastic bead adopts PP plastic material, PE plastic material, PET plastic material or PS plastic material.
Owing to have employed said method, the present invention's plastic cement seals battery by pearl in advance, then carries out remaining silent changing into, and mainly avoids the formation process of battery to be subject to the impact of the moisture of environment from production technology; Complete after changing into, by the mode of hot melt, the plastic cement pearls such as PP/PE/PET/PS are melted, extract internal gas again, then with steel ball, battery is sealed, realize the exhaust of battery and be not subject to the condition lower sealing of environmental impact, secure to battery performance, each step all can have machinery to complete processing simultaneously, not only increase the cost that production efficiency reduces processing procedure, and improve the precision of processing, avoid the situation that consistency that manual operation causes is poor, also have good guarantee to the performance of product.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of first embodiment of the invention;
Fig. 2 is the schematic flow sheet of second embodiment of the invention;
Fig. 3 is embodiment of the present invention envelope plastic bead structural representation;
Fig. 4 is structural representation after embodiment of the present invention plastic bead melts;
Fig. 5 is embodiment of the present invention envelope steel ball structure schematic diagram.
The object of the invention, function and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Following examples are that circle is poroid with liquid injection port, described working of plastics is plastic bead, described metalwork be steel ball is that example is described concrete steps, when liquid injection port adopts other shapes, the shape of working of plastics and metalwork is arranged by the shape of liquid injection port, is as the criterion can reach good sealing effectiveness.
As shown in Figure 1, the first embodiment of invention adopts following steps:
1, seal in advance with plastic bead; As shown in Figure 2, the sealing part plastic bead 2 in battery core 5 seals, and described plastic bead 6 adopts as plastic materials such as PP/PE/PET/PS.
2, change into; This step adopts general chemical synthesizing method to carry out.
3, plastic bead 6 is removed; The first activation of battery owing to changing into, gas can be produced along with the chemical reaction of inside in primary charging process, battery core meeting slight expansion, so now adopt the mode of hot melt to remove plastic bead, as shown in Figure 4, after plastic bead 6 is eliminated, battery core 5 is inside and outside to be communicated with, and the pressure differential inside and outside battery core 5 is eliminated.
4, steel ball is sealed.After removing plastic bead 6, the sealing part originally in battery core 5 is left room, and now seals this room with steel ball, fills up the sealing part in battery core 5.Because the fusing point of plastic cement pearl 6 is lower, plastics are the deliquescing or break by environmental factor (as temperature) impact easily, just sealing effectiveness is not had like this after plastic bead destroys, moisture enters inside battery and chemical material carries out chemical reaction, battery is directly scrapped, so as shown in Figure 3, steel ball 7 is adopted to seal when second time sealing.
When adopting the step of above-mentioned first embodiment, although the pressure after removal plastic bead in battery core can be eliminated, but can residual air and change into generation on a small quantity gas in battery core, good operational environment is had in order to make the battery core after changing into, the second embodiment of the present invention is on the basis of the first embodiment as shown in Figure 2, increases by a step 3A, pumps gas in battery core between above-mentioned steps 3 and step 4.
Due to when sealing in advance, plastic bead has carried out good sealing, so when removing plastic bead, if by external force, then likely damage is caused to battery core, so remove working of plastics step described in above-mentioned two embodiments for heating melting plastic bead, described plastic bead adopts as plastic materials such as PP/PE/PET/PS.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. battery core changes into a method for packing, it is characterized in that, comprises the steps:
1, carry out sealing in advance the liquid injection port of battery core with working of plastics;
2, change into;
3, working of plastics is removed;
4, with metalwork, secondary sealing is carried out to liquid injection port;
Described liquid injection port is circular poroid, and described working of plastics is plastic bead, described metalwork is steel ball;
Described removal working of plastics step is heating melting plastic bead.
2. battery core as claimed in claim 1 changes into method for packing, it is characterized in that: comprise step between described step 3 and step 4:
3A, pump gas in battery core.
3. battery core as claimed in claim 1 changes into method for packing, it is characterized in that: described plastic bead adopts PP plastic material, PE plastic material, PET plastic material or PS plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010270547.5A CN102386434B (en) | 2010-09-01 | 2010-09-01 | A kind of battery core changes into method for packing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010270547.5A CN102386434B (en) | 2010-09-01 | 2010-09-01 | A kind of battery core changes into method for packing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102386434A CN102386434A (en) | 2012-03-21 |
| CN102386434B true CN102386434B (en) | 2015-11-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010270547.5A Expired - Fee Related CN102386434B (en) | 2010-09-01 | 2010-09-01 | A kind of battery core changes into method for packing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102386434B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390776B (en) * | 2012-05-08 | 2016-04-20 | 浙江南博电源科技有限公司 | A kind of flatulence aluminum hull electrokinetic cell restorative procedure |
| CN102820488A (en) * | 2012-07-25 | 2012-12-12 | 深圳市海太阳实业有限公司 | Formation encapsulation method for lithium ion battery |
| CN116505109B (en) * | 2023-06-08 | 2023-08-25 | 江苏正力新能电池技术有限公司 | Formation method of square battery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101212037A (en) * | 2006-12-31 | 2008-07-02 | 上海比亚迪有限公司 | Battery electrolyte filling method |
| CN201112470Y (en) * | 2007-07-25 | 2008-09-10 | 比亚迪股份有限公司 | Rubber ring used for lithium ion battery preparation technique |
-
2010
- 2010-09-01 CN CN201010270547.5A patent/CN102386434B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101212037A (en) * | 2006-12-31 | 2008-07-02 | 上海比亚迪有限公司 | Battery electrolyte filling method |
| CN201112470Y (en) * | 2007-07-25 | 2008-09-10 | 比亚迪股份有限公司 | Rubber ring used for lithium ion battery preparation technique |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102386434A (en) | 2012-03-21 |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20180901 |
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| CF01 | Termination of patent right due to non-payment of annual fee |