CN107515081A - Lithium ion battery aluminum plastic film package quality fast positioning detection means - Google Patents
Lithium ion battery aluminum plastic film package quality fast positioning detection means Download PDFInfo
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- CN107515081A CN107515081A CN201710880352.4A CN201710880352A CN107515081A CN 107515081 A CN107515081 A CN 107515081A CN 201710880352 A CN201710880352 A CN 201710880352A CN 107515081 A CN107515081 A CN 107515081A
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- Prior art keywords
- plastic film
- aluminum plastic
- packaging bag
- copper
- negative electrode
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/226—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
Abstract
The invention discloses a kind of lithium ion battery aluminum plastic film package quality fast positioning detection means, and it includes power supply, wire, switch, negative electrode folder, copper-bath, anode and aluminum plastic film packaging bag.Through wire and switch connection power supply, lower end is inserted into the copper-bath stored in aluminum plastic film packaging bag for the anode upper end.The power supply clips broken aluminum plastic film packaging bag outer layer through wire connection negative electrode folder, oral area negative electrode folder with teeth when folding, and negative electrode folder is directly contacted with built-in aluminium lamination, and closure power circuit is formed by lower switch.Once being powered just forms micro electrolytic cell between the aluminium lamination and copper-bath of aluminum plastic film packaging bag, copper ion in electrolytic process in copper-bath is adsorbed to the abnormal region of aluminum plastic film packaging bag, this vestige is easy to quickly judge the heat seal quality of aluminum-plastic packaging bag, and can be accurately positioned quality defect point position.
Description
Technical field
The present invention relates to a kind of detection means for Soft Roll packing quality, in particular it relates to a kind of lithium ion
Cell aluminum-plastic membrane package quality detection means, particularly lithium ion battery aluminum plastic film package quality fast positioning detection means.
Background technology
Finished product flexible packing lithium ion battery is mainly made up of parts such as naked battery core, electrolyte, aluminum plastic films.External aluminum plastic film
It is packing material, first lug side is sealed during encapsulation, then make left and right sides heat-sealing and base heat-sealing successively.Because of finished product Soft Roll lithium ion
Electrolyte is stored in battery, so safe handling of the external aluminum plastic film heat seal quality to lithium ion battery has decisive influence.
At present, the industry, which is used for aluminum plastic film heat seal quality detection means, mainly two kinds, when the thickness of direct measurement aluminum plastic film edge sealing,
Second, the tension intensity after test aluminum plastic film heat-sealing.Both detection means can only accomplish macroscopical detection, qualitative in time can sentence
Do not dispatch from the factory the heat seal quality of product.But both detection means can not detect the microdefect inside aluminum plastic film, cause to encapsulate
The product of quality defect smoothly dispatches from the factory, and electrolyte leakage easily occurs during user's use and triggers security incident.Chinese patent
Publication number CN03048376A discloses a kind of method for detecting flexible packing lithium ion battery internal corrosion, and this method uses voltmeter
The voltage between lithium ion battery plus-negative plate, and the voltage between anode ear and plastic-aluminum combined film layer are measured respectively, and make ratio
Compared with if the voltage and battery theoretical voltage value between anode ear and aluminium lamination are equal or smaller, the aluminium lamination in plastic-aluminum must occur
Corrosion.Or easier method is using the resistance between universal meter measurement anode ear and aluminum plastic film aluminium lamination, if measurement resistance
Value is less than 100, then has corroded.Although this method is very easy, practical, the problem of existing, is also very obvious, and first is asked
Topic is detection cycle length, and the detection must be carried out on resultant battery full power state, and need to shelve more than one day time；Second
Individual problem is not can determine that particular location, and this method can only judge whether aluminum plastic film corrodes, and can not determine aluminum plastic film
The particular location of corrosion, blind position detection are unfavorable for accurate judgement leakage point, added heavily to the difficulty of the work.
The content of the invention
Present invention is generally directed to prior art detection cycle length, and the problem of corrosion sites occur for aluminum plastic film can not be determined,
It is proposed a kind of simple in construction, detection simplicity, the lithium ion battery aluminum plastic film package quality fast positioning detection means of accurate positioning.
The present invention is achieved through the following technical solutions technical goal.
Lithium ion battery aluminum-plastic packaging quality fast positioning detection means, it includes power supply, wire, switch, negative electrode folder, sulphur
Sour copper solution, anode and aluminum plastic film packaging bag.It is theed improvement is that：The anode is direct rod shape component, upper end through wire and
Switch connection power supply, lower end is inserted among the copper-bath stored in aluminum plastic film packaging bag.The switch is open type.It is described
Power supply is through wire connection negative electrode folder, and the negative electrode folder that oral area has pointed tooth clips broken aluminum plastic film packaging bag outer layer when folding, negative electrode folder is direct
Contacted with built-in aluminium lamination, establish closure power circuit by lower switch, form a kind of micro electrolytic cell, whether aluminium is adsorbed to copper
Plastic film packaging bag judges package quality.
As further improvement project, the voltage of the power supply is 6~8V.
As further improvement project, the switch 20~30min of closure energization during detection.
As further improvement project, the copper-bath is the concentration of mass fraction 15~25%.
The present invention compared with prior art, has the positive effect that：
1st, apparatus structure is reasonable, easy to operate, and testing result is accurate, reliable；
2nd, it is powered between the aluminium lamination and copper-bath of aluminum plastic film packaging bag and forms micro electrolytic cell, copper quilt in electrolytic process
The abnormal region of aluminum plastic film packaging bag is adsorbed onto, this vestige is easy to quickly judge the heat seal quality of aluminum plastic film packaging bag, and energy
The position of microdefect is accurately positioned, is so easy to running status of the workshop technical staff in time to Heat-seal parameter or heat-seal equipment
Adjustment is optimized, so as to be advantageous to improve follow-up heat seal quality.
Brief description of the drawings
Fig. 1 is the structural representation when present invention is used to detect.
Embodiment
Below by accompanying drawing and in conjunction with the embodiments, the invention will be further described.
Lithium ion battery aluminum plastic film package quality fast positioning detection means shown in the drawings, it include power supply 1, wire 2,
Switch 3, negative electrode folder 4, copper-bath 5, anode 6 and aluminum plastic film packaging bag 7.The anode 6 is direct rod shape component, and upper end is through leading
Line 2 and the connection power supply 1 of switch 3, lower end are inserted among the copper-bath 5 stored in aluminum plastic film packaging bag 7, should in the present embodiment
Copper-bath is the concentration that mass fraction is 15%.The switch 3 is just pressed out when being open type, only examinations
Close 3.The power supply 1 connects negative electrode folder 4 through wire 2, and the negative electrode folder 4 that oral area has pointed tooth is clipped broken outside aluminum plastic film packaging bag 7 when folding
Layer, negative electrode folder 4 directly contact with built-in aluminium lamination.During detection closure power circuit, the electricity of the present embodiment application are formed by lower switch 3
The voltage of source 1 is 6V.Once being powered between aluminum plastic film packaging bag 7 and copper-bath 5 just forms micro electrolytic cell, due to copper from
It is sub that electronic capability is stronger than aluminium ion, so the copper ion in electrolytic process in copper-bath 5 is adsorbed to aluminum plastic film encapsulation
7 abnormal areas of bag, and conduction time longer cupric ion adsorption is more, thus leaves obvious vestige and is easy to quickly judge quilt
The heat seal quality of aluminum plastic film packaging bag 7 is surveyed, and quality defect point position can be accurately positioned.For anode, copper sulphate is molten
Hydroxyl in liquid 5 produces oxygen when discharging, so not influenceing to detect quality.Apparatus of the present invention structure is extremely simple, practical, easily
In operation, it is most important that testing result is accurate, reliable.On the other hand, the present apparatus requires low to testing conditions, is easy in workshop
Site Detection, be so advantageous to workshop technical staff and tune is optimized to the running status of heat-sealing technology parameter or heat-seal equipment
It is whole, it can accomplish to avoid the production accident for producing batch defective work.
Claims (4)
1. a kind of lithium ion battery aluminum-plastic packaging quality fast positioning detection means, it includes power supply（1）, wire（2）, switch
（3）, negative electrode folder（4）, copper-bath（5）, anode（6）With aluminum plastic film packaging bag（7）；It is characterized in that：The anode（6）For
Direct rod shape component, upper end is through wire（2）And switch（3）Connect power supply（1）, lower end is inserted into aluminum plastic film packaging bag（7）Interior storage
Copper-bath（5）Among；The switch（3）For open type；The power supply（1）Through wire（2）Connect negative electrode folder（4）, oral area
The negative electrode for having pointed tooth presss from both sides（4）Aluminum plastic film packaging bag is clipped broken when folding（7）Outer layer, negative electrode folder（4）Directly contact, press with built-in aluminium lamination
Lower switch（3）Closure power circuit is established, a kind of micro electrolytic cell is formed, whether aluminum plastic film packaging bag is adsorbed to copper（7）
Judge package quality.
2. lithium ion battery aluminum-plastic packaging quality fast positioning detection means according to claim 1, it is characterised in that：Institute
State power supply（1）Voltage be 6~8V.
3. lithium ion battery aluminum-plastic packaging quality fast positioning detection means according to claim 1, it is characterised in that：Institute
State switch（3）20~30min of closure energization during detection.
4. lithium ion battery aluminum-plastic packaging quality fast positioning detection means according to claim 1, it is characterised in that：Institute
State the concentration that copper-bath is mass fraction 15~25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710880352.4A CN107515081A (en) | 2017-09-26 | 2017-09-26 | Lithium ion battery aluminum plastic film package quality fast positioning detection means |
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| CN201710880352.4A CN107515081A (en) | 2017-09-26 | 2017-09-26 | Lithium ion battery aluminum plastic film package quality fast positioning detection means |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441356A (en) * | 2019-08-22 | 2019-11-12 | 中车青岛四方车辆研究所有限公司 | A kind of detection method and detection device of aluminum plastic membrane shell internal corrosion |
| CN112798192A (en) * | 2020-12-18 | 2021-05-14 | 东莞维科电池有限公司 | Method for detecting encapsulation tightness of lithium ion battery cell |
| CN113030784A (en) * | 2021-03-16 | 2021-06-25 | 武汉昊诚能源科技有限公司 | Aluminum-plastic film pit punching quality detection device and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033543A (en) * | 2011-09-30 | 2013-04-10 | 深圳市海盈科技有限公司 | Method for detecting damage of aluminum plastic membrane shell used for lithium ion battery |
| CN103868533A (en) * | 2012-12-17 | 2014-06-18 | 英飞凌科技股份有限公司 | Sensor Module and Battery Elements |
| DE102013002856A1 (en) * | 2013-02-20 | 2014-08-21 | Iwk Verpackungstechnik Gmbh | Method and device for checking the tightness of a container |
| CN104390957A (en) * | 2014-10-20 | 2015-03-04 | 深圳市巨兆数码有限公司 | Aluminum plastic membrane detection method |
| CN106353371A (en) * | 2016-09-30 | 2017-01-25 | 珠海市鹏辉电池有限公司 | Aluminum plastic film detection method for lithium ion battery |
| CN205982161U (en) * | 2016-08-09 | 2017-02-22 | 东莞市卓越新材料科技有限公司 | Plastic -aluminum membrane is towards damaged simple and easy detection device of shell |
| CN207351629U (en) * | 2017-09-26 | 2018-05-11 | 江苏双登富朗特新能源有限公司 | Lithium ion battery aluminum plastic film package quality fast positioning detection device |
-
2017
- 2017-09-26 CN CN201710880352.4A patent/CN107515081A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033543A (en) * | 2011-09-30 | 2013-04-10 | 深圳市海盈科技有限公司 | Method for detecting damage of aluminum plastic membrane shell used for lithium ion battery |
| CN103868533A (en) * | 2012-12-17 | 2014-06-18 | 英飞凌科技股份有限公司 | Sensor Module and Battery Elements |
| DE102013002856A1 (en) * | 2013-02-20 | 2014-08-21 | Iwk Verpackungstechnik Gmbh | Method and device for checking the tightness of a container |
| CN104390957A (en) * | 2014-10-20 | 2015-03-04 | 深圳市巨兆数码有限公司 | Aluminum plastic membrane detection method |
| CN205982161U (en) * | 2016-08-09 | 2017-02-22 | 东莞市卓越新材料科技有限公司 | Plastic -aluminum membrane is towards damaged simple and easy detection device of shell |
| CN106353371A (en) * | 2016-09-30 | 2017-01-25 | 珠海市鹏辉电池有限公司 | Aluminum plastic film detection method for lithium ion battery |
| CN207351629U (en) * | 2017-09-26 | 2018-05-11 | 江苏双登富朗特新能源有限公司 | Lithium ion battery aluminum plastic film package quality fast positioning detection device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441356A (en) * | 2019-08-22 | 2019-11-12 | 中车青岛四方车辆研究所有限公司 | A kind of detection method and detection device of aluminum plastic membrane shell internal corrosion |
| CN112798192A (en) * | 2020-12-18 | 2021-05-14 | 东莞维科电池有限公司 | Method for detecting encapsulation tightness of lithium ion battery cell |
| CN113030784A (en) * | 2021-03-16 | 2021-06-25 | 武汉昊诚能源科技有限公司 | Aluminum-plastic film pit punching quality detection device and method |
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