CN108613919A - A kind of test method of aluminum plastic film electrolyte resistance corrosion - Google Patents
A kind of test method of aluminum plastic film electrolyte resistance corrosion Download PDFInfo
- Publication number
- CN108613919A CN108613919A CN201810400809.1A CN201810400809A CN108613919A CN 108613919 A CN108613919 A CN 108613919A CN 201810400809 A CN201810400809 A CN 201810400809A CN 108613919 A CN108613919 A CN 108613919A
- Authority
- CN
- China
- Prior art keywords
- plastic film
- aluminum plastic
- small pieces
- electrolyte resistance
- test method
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a kind of test methods of aluminum plastic film electrolyte resistance corrosion, include the following steps：(1) plastic-aluminum membrane sample is taken, aluminum plastic film is cut into a certain size sample small pieces with slicer；(2) the sample die surfaces after cutting are cleaned up with organic solvent；(3) the sample small pieces that step (2) is cleaned are immersed in the electrolyte solution containing 1000ppm water, it is closed at 80 DEG C 90 DEG C to impregnate 4 hours；(4) step (3) treated sample small pieces are taken out, after being standing and soak for 12 hours with clear water, is cleaned up；(5) aluminium layer of step (4) treated sample small pieces and CPP layer segments are cut, the peeling force between aluminium layer and CPP layer is tested with puller system, to determine peel strength that aluminum plastic film aluminium layer corrodes with CPP layers of electrolyte resistance.The present invention can effectively predict flexible packing lithium ion battery aluminum plastic film Corrosion Potential.
Description
Technical field
The present invention relates to lithium battery flexible packaging technical fields, and in particular to a kind of test side of aluminum plastic film electrolyte resistance corrosion
Method.
Background technology
Flexible packing lithium ion battery aluminum plastic film is mainly made of nylon, aluminium layer and CPP layer, and wherein CPP layers between AL
Bonding require electrolyte resistance and hf resi stant performance, prevent aluminum plastic film occur leakage.The electrolyte resistance corrosion of aluminum plastic film at present
Test method carries out storage test after majority is using batteries are made, and expends long time period, and waste finished battery expense compared with
Height,
Invention content
In view of the above-mentioned defects in the prior art, the present invention provides a kind of test method of aluminum plastic film electrolyte resistance corrosion, energy
It is enough that effectively flexible packing lithium ion battery aluminum plastic film corrosion leakage liquid hidden danger is predicted.
To achieve the above object, the technical solution adopted in the present invention is：
A kind of test method of aluminum plastic film electrolyte resistance corrosion, wherein include the following steps：
(1) plastic-aluminum membrane sample is taken, aluminum plastic film is cut into a certain size sample small pieces with slicer；
(2) the sample die surfaces after cutting are cleaned up with organic solvent；
(3) the sample small pieces that step (2) is cleaned are immersed in the electrolyte solution containing 1000ppm water, at 80 DEG C -90
It is closed at DEG C to impregnate 4 hours, to remove the nylon material of aluminum plastic film outer layer；
(4) step (3) treated sample small pieces are taken out, after being standing and soak for 2 hours with clear water, is cleaned up；
(5) aluminium layer of step (4) treated sample small pieces and CPP layer segments are cut, with puller system test aluminium layer with
Peeling force between CPP layers, to determine the peel strength of aluminum plastic film aluminium layer and the corrosion of CPP layers of electrolyte resistance.
In above description, preferably, in step (1), the sample small pieces size is 100mm*15mm.
In above description, preferably, in step (2), the organic solvent is ethylene carbonate, dimethyl carbonate, second
Ylmethyl carbonic ester mixed solution.
In above description, preferably, in step (3), the soaking temperature of the sample small pieces is 85 DEG C.
In above description, preferably, in step (4), the clear water immersion carries out at normal temperatures.
In above description, preferably, in step (5), it is molten that the electrolyte is that EC, DEC and LiPF6 are mixed
Liquid.
In above description, preferably, the mass ratio of the EC and DEC is 1:1, the LiPF6 are 1mol/L.
In above description, preferably, in step (5), when the peeling force measured is more than 6N/15mm, aluminum plastic film is indicated
Corrosion-resistant peel strength meets the requirements.
The invention has the advantages that：With a kind of peeling force of test aluminum plastic film aluminium layer and CPP layers of electrolyte resistance
Method, finished battery aluminum plastic film Corrosion Potential is predicted.Especially by the method for chemical attack by the nylon of aluminum plastic film
Layer erodes, and leaves aluminium layer and CPP layers, is then tested by puller system, according to value of thrust size, assesses CPP layers of electrolyte resistance
Corrosion strength is improved with Instructing manufacture process.
More clearly to illustrate structure feature, technological means and its specific purposes reached and function of the present invention, under
Face is next in conjunction with specific embodiments, and invention is further described in detail：
Specific implementation mode
A kind of test method of aluminum plastic film electrolyte resistance corrosion, includes the following steps：
(1) plastic-aluminum membrane sample is taken, aluminum plastic film is cut into the sample small pieces of 100mm*15mm with slicer；
(2) sample die surfaces organic solvent ethylene carbonate, dimethyl carbonate, ethyl-methyl carbonic acid after cutting
Ester mixed solution cleans up；
(3) by step (2) clean sample small pieces be immersed in containing 1000ppm water by mass ratio be 1:1 EC and DEC
In the electrolyte solution mixed with the LiPF6 of 1mol/L, closed immersion 1-4 hours at 85 DEG C, to remove outside aluminum plastic film
The nylon material of layer；
(4) step (3) treated sample small pieces are taken out, after being standing and soak for 1-2 hours at normal temperatures with clear water, clearly
Wash clean；
(5) aluminium layer of step (4) treated sample small pieces and CPP layer segments are cut, with puller system test aluminium layer with
Peeling force between CPP layers, to determine the peel strength of aluminum plastic film aluminium layer and the corrosion of CPP layers of electrolyte resistance, when the stripping measured
When power is more than 6N/15mm, indicate that the corrosion-resistant intensity of aluminum plastic film meets the requirements.
Embodiment：
Plastic-aluminum membrane sample is distinguished to duplicate, portion test electrolyte resistance peeling force, portion making battery, long term storage
(25 DEG C of 50%RH of storage condition) observe leakage situation.
Conclusion：When peeling force is more than 6N/15mm, the corrosion-resistant intensity of aluminum plastic film meets the requirements.
The above described is only a preferred embodiment of the present invention, be not intended to limit the invention, therefore it is every according to this hair
Bright technology is practical to above example any modification, equivalent replacement, improvement and so on, still falls within technical solution of the present invention
In the range of.
Claims (8)
1. a kind of test method of aluminum plastic film electrolyte resistance corrosion, it is characterised in that：Include the following steps：
(1) plastic-aluminum membrane sample is taken, aluminum plastic film is cut into a certain size sample small pieces with slicer；
(2) the sample die surfaces after cutting are cleaned up with organic solvent；
(3) the sample small pieces that step (2) is cleaned are immersed in the electrolyte solution containing 1000ppm water, at 80 DEG C -90 DEG C
It is closed to impregnate 4 hours；
(4) step (3) treated sample small pieces are taken out, after being standing and soak for 2 hours with clear water, is cleaned up；
(5) aluminium layer of step (4) treated sample small pieces and CPP layer segments are cut, with puller system test aluminium layer and CPP layers
Between peeling force, to determine peel strength that aluminum plastic film aluminium layer and CPP layer electrolyte resistance corrode.
2. a kind of test method of aluminum plastic film electrolyte resistance corrosion according to claim 1, it is characterised in that：Step (1)
In, the sample small pieces size is 100mm*15mm.
3. a kind of test method of aluminum plastic film electrolyte resistance corrosion according to claim 1, it is characterised in that：Step (2)
In, the organic solvent is ethylene carbonate, dimethyl carbonate, ethyl methyl carbonate mixed solution.
4. a kind of test method of aluminum plastic film electrolyte resistance corrosion according to claim 1, it is characterised in that：Step (3)
In, the soaking temperature of the sample small pieces is 85 DEG C.
5. a kind of test method of aluminum plastic film electrolyte resistance corrosion according to claim 1, it is characterised in that：Step (4)
In, sample small pieces carry out clear water and are standing and soak at normal temperatures.
6. a kind of test method of aluminum plastic film electrolyte resistance corrosion according to claim 1, it is characterised in that：Step (5)
In, the electrolyte is the solution that EC, DEC, DMC and LiPF6 are mixed.
7. a kind of test method of aluminum plastic film electrolyte resistance corrosion according to claim 6, it is characterised in that：The EC,
The mass ratio of DEC and DMC is 1:1:1, the LiPF6 are 1mol/L.
8. a kind of test method of aluminum plastic film electrolyte resistance corrosion according to claim 1, it is characterised in that：Step (5)
In, when the peeling force measured is more than 6N/15mm, indicate that the corrosion-resistant intensity of aluminum plastic film meets the requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400809.1A CN108613919A (en) | 2018-04-28 | 2018-04-28 | A kind of test method of aluminum plastic film electrolyte resistance corrosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400809.1A CN108613919A (en) | 2018-04-28 | 2018-04-28 | A kind of test method of aluminum plastic film electrolyte resistance corrosion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108613919A true CN108613919A (en) | 2018-10-02 |
Family
ID=63661528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810400809.1A Pending CN108613919A (en) | 2018-04-28 | 2018-04-28 | A kind of test method of aluminum plastic film electrolyte resistance corrosion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108613919A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444033A (en) * | 2018-12-06 | 2019-03-08 | 上海紫江新材料科技股份有限公司 | A kind of evaluation method of flexible packing lithium ion battery aluminum plastic film electrolyte resistance performance |
| CN109709029A (en) * | 2019-01-18 | 2019-05-03 | 溧阳卓越新材料科技有限公司 | A kind of aluminum plastic film aluminium foil passivation effect test method and its test device |
| CN111157446A (en) * | 2019-12-31 | 2020-05-15 | 安普瑞斯（南京）有限公司 | Method and device for testing tensile stress variation trend of aluminum plastic film based on gradual change |
| CN111458290A (en) * | 2020-05-06 | 2020-07-28 | 河源新之源粘贴技术有限公司 | Method for testing electrolyte resistance of adhesive tape |
| CN113702271A (en) * | 2021-07-29 | 2021-11-26 | 浙江野马电池股份有限公司 | Method and device for testing alkali resistance of resin for alkali-manganese battery conductive agent |
| CN113745525A (en) * | 2021-06-16 | 2021-12-03 | 浙江柔震科技有限公司 | Flexible composite plastic film and preparation and test method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1804019A (en) * | 2005-12-29 | 2006-07-19 | 天津力神电池股份有限公司 | Cleaning agent for polymer and soft-package battery surface electrolyte |
| US20070128510A1 (en) * | 2003-12-18 | 2007-06-07 | Varta Microbattery Gmbh | Voltaic element |
| CN103378316A (en) * | 2012-04-23 | 2013-10-30 | 万向电动汽车有限公司 | Method for selecting lithium battery aluminum plastic films |
| CN103560213A (en) * | 2013-10-18 | 2014-02-05 | 南亚塑胶工业股份有限公司 | Aluminum plastic film package material for lithium battery |
| CN104241556A (en) * | 2013-12-24 | 2014-12-24 | 刘启 | Flexible package aluminum-plastic film material for lithium battery |
| CN104345027A (en) * | 2013-07-25 | 2015-02-11 | 浙江万向亿能动力电池有限公司 | Performance measuring and evaluating method of aluminum plastic film used for soft packing power lithium ion batteries |
| CN105199874A (en) * | 2014-06-20 | 2015-12-30 | 惠州Tcl金能电池有限公司 | Battery surface cleaning agent and preparing method thereof |
| CN105734598A (en) * | 2016-03-29 | 2016-07-06 | 浙江道明光电科技有限公司 | Environment-friendly chemical surface treatment method of aluminum foil in aluminum plastic film for lithium battery packing |
-
2018
- 2018-04-28 CN CN201810400809.1A patent/CN108613919A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070128510A1 (en) * | 2003-12-18 | 2007-06-07 | Varta Microbattery Gmbh | Voltaic element |
| CN1804019A (en) * | 2005-12-29 | 2006-07-19 | 天津力神电池股份有限公司 | Cleaning agent for polymer and soft-package battery surface electrolyte |
| CN103378316A (en) * | 2012-04-23 | 2013-10-30 | 万向电动汽车有限公司 | Method for selecting lithium battery aluminum plastic films |
| CN104345027A (en) * | 2013-07-25 | 2015-02-11 | 浙江万向亿能动力电池有限公司 | Performance measuring and evaluating method of aluminum plastic film used for soft packing power lithium ion batteries |
| CN103560213A (en) * | 2013-10-18 | 2014-02-05 | 南亚塑胶工业股份有限公司 | Aluminum plastic film package material for lithium battery |
| CN104241556A (en) * | 2013-12-24 | 2014-12-24 | 刘启 | Flexible package aluminum-plastic film material for lithium battery |
| CN105199874A (en) * | 2014-06-20 | 2015-12-30 | 惠州Tcl金能电池有限公司 | Battery surface cleaning agent and preparing method thereof |
| CN105734598A (en) * | 2016-03-29 | 2016-07-06 | 浙江道明光电科技有限公司 | Environment-friendly chemical surface treatment method of aluminum foil in aluminum plastic film for lithium battery packing |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444033A (en) * | 2018-12-06 | 2019-03-08 | 上海紫江新材料科技股份有限公司 | A kind of evaluation method of flexible packing lithium ion battery aluminum plastic film electrolyte resistance performance |
| CN109444033B (en) * | 2018-12-06 | 2021-04-13 | 上海紫江新材料科技股份有限公司 | Method for evaluating electrolyte resistance of aluminum plastic film for flexible package lithium ion battery |
| CN109709029A (en) * | 2019-01-18 | 2019-05-03 | 溧阳卓越新材料科技有限公司 | A kind of aluminum plastic film aluminium foil passivation effect test method and its test device |
| CN109709029B (en) * | 2019-01-18 | 2024-04-02 | 溧阳卓越新材料科技有限公司 | Aluminum foil passivation effect test method and test device for aluminum plastic film |
| CN111157446A (en) * | 2019-12-31 | 2020-05-15 | 安普瑞斯（南京）有限公司 | Method and device for testing tensile stress variation trend of aluminum plastic film based on gradual change |
| CN111458290A (en) * | 2020-05-06 | 2020-07-28 | 河源新之源粘贴技术有限公司 | Method for testing electrolyte resistance of adhesive tape |
| CN113745525A (en) * | 2021-06-16 | 2021-12-03 | 浙江柔震科技有限公司 | Flexible composite plastic film and preparation and test method thereof |
| CN113702271A (en) * | 2021-07-29 | 2021-11-26 | 浙江野马电池股份有限公司 | Method and device for testing alkali resistance of resin for alkali-manganese battery conductive agent |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108613919A (en) | A kind of test method of aluminum plastic film electrolyte resistance corrosion | |
| Braithwaite et al. | Corrosion of lithium‐ion battery current collectors | |
| Kim et al. | Observation of dendritic growth on Li powder anode using optical cell | |
| CN107464956A (en) | A kind of new process for making of lithium ion battery | |
| EP3288101A1 (en) | Electrolytic copper foil capable of improving capacity retention rate of secondary battery, electrode including the same, secondary battery including the same, and method of manufacturing the same | |
| WO2008102240A1 (en) | Stripping agent for secondary battery electrode material and method of treating secondary battery using the stripping agent | |
| WO2011043608A3 (en) | Method for manufacturing a lithium ion polymer battery, battery cell, and lithium ion polymer cell comprising same | |
| CN105734598B (en) | The environment protection chemical surface treatment method of aluminium foil in lithium battery flexible packaging aluminum plastic film | |
| EP3316364A1 (en) | Electrolytic copper foil for lithium secondary battery and lithium secondary battery including same | |
| CN111458290A (en) | Method for testing electrolyte resistance of adhesive tape | |
| CN202710508U (en) | Full-automatic test device for determining lead in plating of tinned plate | |
| CN104134830B (en) | A kind of method and device of safe retrieving lithium ion battery negative | |
| CN111157446B (en) | Method and device for testing tensile stress change trend of aluminum plastic film based on gradual change | |
| CN103682367B (en) | Copper Foil/carbon composite current collector, its preparation method and lithium ion battery | |
| CN104167563B (en) | A kind of composite solid electrolyte film, preparation method and application | |
| CN110749544A (en) | Rapid selection method for inner glue of aluminum plastic film of lithium battery | |
| CN105203403B (en) | A kind of detection method of glass fiber reinforced plastics composite material Frost Resistance energy | |
| CN108110366A (en) | A kind of processing method of waste and old lithium ion battery | |
| CN115406824A (en) | Method for testing and evaluating corrosion resistance of packaging adhesive film for photovoltaic module | |
| CN115410730A (en) | Method for screening optimal zinc ion concentration of primary circuit during thermal state function test of nuclear power plant | |
| CN107754406A (en) | A kind of dynamic filter | |
| CN109473732B (en) | A kind of renovation agent of lead-acid accumulator and the restorative procedure of lead-acid accumulator | |
| WO2021223115A1 (en) | Electrolyte resistance testing method for adhesive tape | |
| CN110273171A (en) | A kind of microflute body oxidation treatment method of the long weld seam of aluminium alloy | |
| CN116337744A (en) | Evaluation method for electrolyte resistance of aluminum-plastic composite film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181002 |
|
| RJ01 | Rejection of invention patent application after publication |