CN109870353A - A kind of test method of electrodes of lithium-ion batteries peel strength - Google Patents
A kind of test method of electrodes of lithium-ion batteries peel strength Download PDFInfo
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- CN109870353A CN109870353A CN201811570558.8A CN201811570558A CN109870353A CN 109870353 A CN109870353 A CN 109870353A CN 201811570558 A CN201811570558 A CN 201811570558A CN 109870353 A CN109870353 A CN 109870353A
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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
Abstract
The invention belongs to technical field of lithium ion, a kind of test method of electrodes of lithium-ion batteries peel strength is disclosed, the following steps are included: S1: by being sticked on steel plate (2) on one side for double-sided adhesive (1), on the front for the dressing layer for being sticked to electrodes of lithium-ion batteries (4) again after the first pad film (3) are put in the another side lower part of the double-sided adhesive (1), keep the pole piece (4) lower part not Nian Jie with the double-sided adhesive (1) lower part；S2: the pole piece (4) lower end is fixed on to the first end of pull test instrument, the steel plate (2) is fixed on to the second end of the pull test instrument；S3: start the pull test instrument and start to test, obtain maximum peeling strength.A kind of test method of electrodes of lithium-ion batteries peel strength of the invention, can test electrodes of lithium-ion batteries dressing layer and collector without freely removing the peak peel strength of moment in the case of prestripping, and after testing, not influence the recycling of steel plate.
Description
Technical field
The present invention relates to technical field of lithium ion more particularly to a kind of peel strength tests of electrodes of lithium-ion batteries
Method.
Background technique
Lithium ion battery have energy density is high, environmental pollution is small, power density is big, long service life, wide adaptation range,
The small equal prominent advantage of self discharge coefficient, is that one of battery being most widely used in the world now and new energy develop
Important component.
After lithium ion battery forms battery core by positive/negative plate and isolation film, it is packed into shell, is filled with and obtains after electrolyte；Just
Negative electrode tab includes the substances such as active material, conductive agent, binder and collector again.Pole piece is interlayer structure, and two sides applies whiting
Material is dressing layer, and centre is aluminum foil current collector.Wherein the effect of binder is exactly that will play the active material of capacity effect, play
The conductive agent of electric action is mutually bonded together, while being bonded on a current collector, guarantees it in process and cyclic process
In, it will not excessively expand or be detached from collector, lead to battery failure.However, measuring powder body material and collector caking property at present
Effective ways it is seldom, cannot be designed for lithium ion battery and valid data are provided, the removing of common measurement powder and substrate is strong
Spend the process of measurement method are as follows: the dressing layer front of electrodes of lithium-ion batteries is fixed on the steel plate, and to lithium ion cell electrode
Piece dressing layer and collector removing initial end carry out prestripping processing, then directly remove dressing layer using pull test instrument,
It is tested.This method can test the mean peel strength of dressing layer and collector, but be unable to test dressing layer and collector certainly
By removing transient peak peel strength, and it is to influence lithium ion that dressing layer and collector, which freely remove transient peak peel strength,
The important parameter of battery performance.
In addition, double-sided adhesive is not easy to tear it down from stainless steel plate after the completion of testing in existing peel strength test method, lead to
Normal stainless steel plate needs to be recycled, and double-sided adhesive, which is not easy to tear, will lead to testing efficiency reduction.
Based on the above situation, we it is necessary to develop a kind of removing of electrodes of lithium-ion batteries for being able to solve the above problem
Strength test method.
Summary of the invention
It is an object of the invention to: a kind of test method of electrodes of lithium-ion batteries peel strength is provided, lithium can be tested
Ion battery pole piece dressing layer and collector are tested without freely removing the peak peel strength of moment in the case of prestripping
Afterwards, the recycling of steel plate is not influenced.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of test method of electrodes of lithium-ion batteries peel strength, comprising the following steps:
S1: the one side of double-sided adhesive is viscous on the steel plate, after the first pad film is put in the another side lower part of the double-sided adhesive again
It is sticked on the front of the dressing layer of electrodes of lithium-ion batteries, keeps the pole piece lower part not Nian Jie with the double-sided adhesive lower part；
S2: the pole piece lower end is fixed on to the first end of pull test instrument, by the Interal fixation in the pulling force
The second end of test equipment；
S3: start the pull test instrument and start to test, obtain maximum peeling strength.
Specifically, first pad film is set, keeps the pole piece lower part not Nian Jie with the double-sided adhesive lower part, the pole piece
Removing initial end and the double-sided adhesive bottom end keep apart certain distance, caused by can preventing the two from removing in the concordant situation in bottom end
Edge effect, i.e., the described pole piece and the double-sided adhesive bond sometimes in bottom end and the double-sided adhesive are securely excessively pulled away from institute
State steel plate, the peel strength measured at this time is not the peel strength between pole piece dressing layer and collector, and become double-sided adhesive with
Peel strength between steel plate.
Preferably, the steel plate is stainless steel plate, and first pad film is isolation film.
As a kind of perferred technical scheme, in the step S1, further comprising the steps of:
S1-1: by the double-sided adhesive be stained with the steel plate on one side before, be first stained with adhesive tape in the steel plate upper end, then by institute
Being sticked on the steel plate on one side for double-sided adhesive is stated, the double-sided adhesive upper end is not Nian Jie with the steel plate.
Specifically, the adhesive tape is a kind of not easy breaking adhesive tape, increases by one between the steel plate top and the double-sided adhesive
Layer not easy breaking adhesive tape, can make double-sided adhesive after the completion of peeling strength test be easy to separate with steel plate.The not easy breaking adhesive tape is from institute
Stating will not be broken when tearing on steel plate, convenient completely to tear, and upper end is sticked to the double-sided adhesive one at the not easy breaking adhesive tape back side
It rises and tears from the steel plate.
As a kind of perferred technical scheme, in the step S1-0, the adhesive tape is insulating tape.
As a kind of perferred technical scheme, the width of the double-sided adhesive is wider than the width of the pole piece.
Specifically, facilitate and paste the pole piece on the double-sided adhesive, and can guarantee that the pole piece two sides are respectively positioned on institute
It states on double-sided adhesive.
Preferably, the both ends of first pad film are pasted at the double-sided adhesive two sides not covered by the pole piece.
Preferably, first pad film is double-sided adhesive base stock.
Specifically, can cut discarded double-sided adhesive base stock to suitable dimension, used as the first pad film, double-sided adhesive base stock
It is convenient with two-sided glue sticking and to separate for common isolation film, it is easy to use, and be able to achieve waste and recycle.
As a kind of perferred technical scheme, in the step S1, further comprising the steps of:
S1-2: after on the front of the two-sided dressing layer for being adhesive in the pole piece, on the reverse side of the dressing layer
Fixed upper second pad film in portion, the lower edge of second pad film and the side of the pole piece are perpendicular；
S1-3: it is rolled back and forth in second pad film using rubber roller；
S1-4: second pad film is removed after the completion of rolling.
Specifically, second pad film has certain hardness, after being fixed on the dressing layer, second pad
The lower edge of film and the side of the pole piece are perpendicular, i.e., the lower edge of described second pad film is in a horizontal position, using described
After rubber roller rolls back and forth, it can be forced out a horizontal line on the dressing layer at second pad film lower edge, remove
Face is in a horizontal position, and carries out release surface uniform force when peel strength test.
Preferably, the rubber roller rolls twice back and forth in second pad film.
As a kind of perferred technical scheme, in the step S1-2, the both ends of second pad film are sticked to institute respectively
State on steel plate or on the double-sided adhesive, the upper edge of second pad film on the pole piece along flush or be more than the pole piece
Upper edge.
Preferably, the both ends of second pad film are pasted at the double-sided adhesive two sides not covered by the pole piece.
Preferably, second pad film is double-sided adhesive base stock.
Specifically, can cut discarded double-sided adhesive base stock to suitable dimension, used as the second pad film, double-sided adhesive base stock
With certain hardness, and conveniently with two-sided glue sticking and separate, it is easy to use, and be able to achieve waste recycling.
As a kind of perferred technical scheme, in the step S1-3, the weight of the rubber roller is 2Kg.
As a kind of perferred technical scheme, in the step S3, the pull test instrument carries out the pole piece
180 ° of removings.
As a kind of perferred technical scheme, in the step S3, the peeling rate of the pull test instrument is
50mm/min。
As a kind of perferred technical scheme, in the step S1, the plate peel test viscosity of the double-sided adhesive is
0.8-1N/mm。
The invention has the benefit that provide electrodes of lithium-ion batteries peel strength test method, can test lithium from
The peak peel strength of sub- battery pole piece dressing layer and collector without freely removing moment in the case of prestripping.It holds on the steel plate
It is stained with adhesive tape, convenient for the separation of subsequent double-sided adhesive and steel plate, can also guarantee that the circulation of steel plate makes while improving testing efficiency
With.
Detailed description of the invention
Fig. 1 is the schematic diagram of test method of the present invention；
Wherein, double-sided adhesive 1, steel plate 2, the first pad film 3, pole piece 4, adhesive tape 5, the second pad film 6.
Specific embodiment
, there are further understanding and understanding in the effect of to make to structure feature of the invention and being reached, to preferable
Examples and drawings cooperation detailed description, is described as follows:
As shown in Figure 1, a kind of peel strength test method of electrodes of lithium-ion batteries, comprising the following steps:
S1-1: by double-sided adhesive 1 be stained with steel plate 2 on one side before, be first stained with adhesive tape 5 in 2 upper end of steel plate, then by double-sided adhesive 1
It is sticked on steel plate 2 on one side, 1 upper end of double-sided adhesive is not Nian Jie with steel plate 2.Wherein, steel plate 2 is common 304 stainless steel plate, and adhesive tape 5 is
Insulating tape, adhesive tape 5 are pasted to paste 2 back side of steel plate again behind top by 2 front upper of steel plate；
S1: by being sticked on steel plate 2 on one side for double-sided adhesive 1, after the first pad film 3 is put in the another side lower part of double-sided adhesive 1 again
It is sticked on the front of the dressing layer of electrodes of lithium-ion batteries 4, keeps 4 lower part of pole piece not Nian Jie with 1 lower part of double-sided adhesive.Wherein, first
Pad film 3 is isolation film, preferably double-sided adhesive base stock, and the width of double-sided adhesive 1 is wider than the width of pole piece 4, and the length of double-sided adhesive 1 is than viscous
Pole piece part on steel plate 2 is long, and the both ends of the first pad film 3 are pasted at 1 two sides of double-sided adhesive not covered by pole piece 4.It is two-sided
The plate peel test viscosity of glue 1 is 0.8-1N/mm；
S1-2: after double-sided adhesive 1 being sticked on the front of the dressing layer of pole piece 4, dressing layer reverse side top it is fixed on
Second pad film 6, the lower edge of the second pad film 6 and the side of pole piece 4 are perpendicular.Wherein, the both ends of the second pad film 6 are sticked to steel respectively
On plate 2 or on double-sided adhesive 1, the upper edge of the second pad film 6 on pole piece 4 along flush or more than the upper edge of pole piece 4, preferably
The both ends of two pad films 6 are pasted at 1 two sides of double-sided adhesive not covered by pole piece 4, and the second pad film 6 is double-sided adhesive base stock；
S1-3: it is rolled back and forth in the second pad film 6 using rubber roller (not shown).Wherein, the weight of rubber roller is 2Kg, rubber roller
It is rolled back and forth twice in the second pad film；
S1-4: second pad film (6) is removed after the completion of rolling.
4 lower end of pole piece: being fixed on the first end of pull test instrument (not shown) by S2, and steel plate 2 is fixed on pulling force and is surveyed
The second end of test instrument.Wherein, the lower end of pole piece 4 is free end, is not pasted on double-sided adhesive 1.
S3: start the pull test instrument and start to test, obtain maximum peeling strength.Wherein, pull test instrument pair
Pole piece 4 carries out 180 ° of removings, and the peeling rate of pull test instrument is 50mm/min.
Adhesive tape 5 torn forward from 2 back side of steel plate after the completion of test and by the whole pull-off steel plate 2 of double-sided adhesive 1.
The main composition material of lithium ion battery includes electrolyte, isolated material, positive and negative pole material etc..Wherein, positive material
The quality of material occupies larger proportion, and positive electrode is the key that influence battery performance, to battery performance and circulation longevity
Life etc. has significant impact.It therefore, below will be right from four different embodiments and one by taking based lithium-ion battery positive plate as an example
Ratio sets out to be unfolded to illustrate, to prove effective effect of electrodes of lithium-ion batteries peel strength test method of the present invention.
Based lithium-ion battery positive plate includes aluminum foil current collector and auxiliary material layer, and dressing layer includes LiFePO4, conductive black, leads
Electro-graphitic and Kynoar.
Make based lithium-ion battery positive plate, including LiFePO4, conductive black, electrically conductive graphite and Kynoar, matter
Amount than be 95:1:1:3, according to the above ratio by material be mixed in N-Methyl pyrrolidone and it is fully dispersed uniformly, be made lithium from
Sub- battery anode slurry is evenly applied in thick 14 μm of aluminum foil current collector, this is the dressing layer of positive plate d.By lithium ion
It is as follows to different compacted densities using twin rollers roll-in after battery anode slice drying:
(1) compacted density: 2.30g/cm3；
(2) compacted density: 2.45g/cm3；
(3) compacted density: 2.50g/cm3；
(4) compacted density: 2.56g/cm3.
The based lithium-ion battery positive plate of above-mentioned four kinds different compacted densities is cut into the rectangle that specification is 25mm*150mm
Item.It is that 18mm*35mm insulating tape is attached to stainless steel plate top by specification, one face paste of double-sided adhesive for being 30mm*100mm by specification
On the stainless steel plate for being stained with insulating tape, another side is attached to electrodes of lithium-ion batteries dressing layer front, and double-sided adhesive base stock is cut out
It is cut into the rectangular strip that specification is 30mm*30mm and is attached to the double-sided adhesive base stock rectangular strip that below pole piece and specification is 30mm*50mm
It is attached to pole piece upper surface, back and forth after roll-in 2 times, tensiometer is fixed on by pole piece free end to the pole piece of covering base stock using rubber roller
Upper mold, stainless steel plate bottom end is fixed on the lower mold of tensiometer, starts tensiometer and carried out with the peeling rate of 50mm/min
180 ° of peel tests, obtain maximum peeling strength.
The maximum peeling strength result for obtaining different compacted density pole pieces is as follows:
(1) compacted density: 2.30g/cm3, maximum peeling strength: 41.3mN/mm；
(2) compacted density: 2.45g/cm3, maximum peeling strength: 140.2mN/mm；
(3) compacted density: 2.50g/cm3, maximum peeling strength: 231.3mN/mm；
(4) compacted density: 2.56g/cm3, maximum peeling strength: 280.3mN/mm.
Between based lithium-ion battery positive plate powder between adhesion strength and powder and collector adhesion strength in a certain range with
Pole piece compaction density is directly proportional, because after pole piece compaction density increases, between dressing layer powder and between powder and collector
Gap become smaller, be filled in Kynoar binder between powder and between powder and collector and powder and collector
Contact surface become larger, enhance the adhesion strength between dressing layer powder and between powder and collector, and the adhesion strength size
It is directly proportional to pole piece peel strength.Therefore theoretically, the based lithium-ion battery positive plate maximum peeling strength of the above different compacted densities
Size should be 1 > 2 > 3 > 4.And from the point of view of actual test result, the based lithium-ion battery positive plate maximum of different compacted densities is removed
Intensity size is 1 > 2 > 3 > 4, which can fit like a glove with theory analysis, illustrate that test method of the invention can be preferable
The maximum peeling strength between electrodes of lithium-ion batteries dressing layer and collector is assessed, is made for lithium ion battery and improvement provides
More comprehensively reliable data.
Finally, it should be noted that in the description of the present invention, technical term "upper", "lower", "left", "right", " preceding ",
" rear ", "inner", "outside" etc. indicate direction or positional relationship is direction based on the figure or positional relationship, are merely for convenience of
Describe and understand technical solution of the present invention, it is described above that not the present invention is limited；Above embodiments are only to illustrate
Technical solution of the present invention, rather than its limitations；Although the present invention is described in detail referring to the foregoing embodiments, ability
Domain it will be appreciated by the skilled person that it can still modify to technical solution documented by previous embodiment, or to it
Middle some technical characteristics are replaced on an equal basis；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution originally
Invent the spirit and scope of each embodiment technical solution.
Claims (10)
1. a kind of test method of electrodes of lithium-ion batteries peel strength, which comprises the following steps:
S1: by being sticked on steel plate (2) on one side for double-sided adhesive (1), the first pad film is put in the another side lower part of the double-sided adhesive (1)
(3) be sticked to again after on the front of the dressing layer of electrodes of lithium-ion batteries (4), make the pole piece (4) lower part not with the double-sided adhesive
(1) lower part is bonded；
The pole piece (4) lower end: being fixed on the first end of pull test instrument by S2, and the steel plate (2) is fixed on the drawing
The second end of force tester device；
S3: start the pull test instrument and start to test, obtain maximum peeling strength.
2. a kind of test method of electrodes of lithium-ion batteries peel strength according to claim 1, which is characterized in that in institute
It states in step S1, further comprising the steps of:
S1-1: by the double-sided adhesive (1) be stained with the steel plate (2) on one side before, be first stained with adhesive tape in the steel plate (2) upper end
(5), be sticked on the steel plate (2) on one side then by the double-sided adhesive (1), double-sided adhesive (1) upper end not with the steel plate (2)
Bonding.
3. a kind of test method of electrodes of lithium-ion batteries peel strength according to claim 2, which is characterized in that in institute
It states in step S1-1, the adhesive tape (5) is insulating tape.
4. a kind of test method of electrodes of lithium-ion batteries peel strength according to claim 1, which is characterized in that described
The width of double-sided adhesive (1) is wider than the width of the pole piece (4).
5. a kind of test method of electrodes of lithium-ion batteries peel strength according to claim 1, which is characterized in that in institute
It states in step S1, further comprising the steps of:
S1-2: after the double-sided adhesive (1) being sticked on the front of the dressing layer of the pole piece (4), in the anti-of the dressing layer
Fixed upper second pad film (6) in face top, the lower edge of second pad film (6) and the side of the pole piece (4) are perpendicular；
S1-3: it is rolled back and forth on second pad film (6) using rubber roller；
S1-4: second pad film (6) is removed after the completion of rolling.
6. a kind of test method of electrodes of lithium-ion batteries peel strength according to claim 5, which is characterized in that in institute
It states in step S1-2, the both ends of second pad film (6) are sticked to respectively on the steel plate (2) or on the double-sided adhesive (1), described
The upper edge of second pad film (6) on the pole piece (4) along flush or be more than the pole piece (4) upper edge.
7. a kind of test method of electrodes of lithium-ion batteries peel strength according to claim 5, which is characterized in that in institute
It states in step S1-3, the weight of the rubber roller is 2Kg.
8. a kind of test method of electrodes of lithium-ion batteries peel strength according to claim 1, which is characterized in that in institute
It states in step S3, the pull test instrument carries out 180 ° of removings to the pole piece (4).
9. a kind of test method of electrodes of lithium-ion batteries peel strength according to claim 1, which is characterized in that in institute
It states in step S3, the peeling rate of the pull test instrument is 50mm/min.
10. a kind of test method of electrodes of lithium-ion batteries peel strength according to claim 1, which is characterized in that
In the step S1, the plate peel test viscosity of the double-sided adhesive (1) is 0.8-1N/mm.
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|---|---|---|---|---|
| CN110243718A (en) * | 2019-07-11 | 2019-09-17 | 成都市银隆新能源产业技术研究有限公司 | A kind of battery pole piece caking property test method and test device |
| CN110646344A (en) * | 2019-09-29 | 2020-01-03 | 深圳好电科技有限公司 | Characterization method and characterization device for electrode plate bonding performance |
| CN110987792A (en) * | 2019-12-03 | 2020-04-10 | 浙江锋锂新能源科技有限公司 | Solid electrolyte membrane peel strength testing method |
| CN111855563A (en) * | 2020-06-30 | 2020-10-30 | 有研亿金新材料有限公司 | Method for detecting peeling strength of coating |
| CN112945846A (en) * | 2021-01-26 | 2021-06-11 | 江西安驰新能源科技有限公司 | Pole piece bonding performance evaluation method |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0634520A (en) * | 1992-07-20 | 1994-02-08 | Sekisui Chem Co Ltd | Method for evaluating anchor force of adhesion tape or sheet |
| JP2006194599A (en) * | 2005-01-11 | 2006-07-27 | Matsushita Electric Ind Co Ltd | Peeling testing machine |
| CN102788746A (en) * | 2012-04-28 | 2012-11-21 | 中航锂电（洛阳）有限公司 | Method for measuring adhesive force of lithium ion battery pole piece coating |
| CN105203451A (en) * | 2015-09-18 | 2015-12-30 | 福建蓝海黑石科技有限公司 | Representation method for cohesion of coating |
| CN105606529A (en) * | 2015-12-28 | 2016-05-25 | 深圳市星源材质科技股份有限公司 | Lithium ion battery coating membrane peel strength test method |
| CN106769846A (en) * | 2016-12-27 | 2017-05-31 | 深圳中兴创新材料技术有限公司 | A kind of peel strength testing device and its application |
| CN108072605A (en) * | 2017-11-27 | 2018-05-25 | 惠州拓邦电气技术有限公司 | A kind of test method of electrodes of lithium-ion batteries peel strength |
| CN108226031A (en) * | 2017-12-29 | 2018-06-29 | 国联汽车动力电池研究院有限责任公司 | A kind of detection method of electrodes of lithium-ion batteries adhesive force |
| CN208255031U (en) * | 2018-05-31 | 2018-12-18 | 江苏清陶能源科技有限公司 | A kind of 180 ° of peel test force structures of lithium battery diaphragm coating |
-
2018
- 2018-12-21 CN CN201811570558.8A patent/CN109870353A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0634520A (en) * | 1992-07-20 | 1994-02-08 | Sekisui Chem Co Ltd | Method for evaluating anchor force of adhesion tape or sheet |
| JP2006194599A (en) * | 2005-01-11 | 2006-07-27 | Matsushita Electric Ind Co Ltd | Peeling testing machine |
| CN102788746A (en) * | 2012-04-28 | 2012-11-21 | 中航锂电（洛阳）有限公司 | Method for measuring adhesive force of lithium ion battery pole piece coating |
| CN105203451A (en) * | 2015-09-18 | 2015-12-30 | 福建蓝海黑石科技有限公司 | Representation method for cohesion of coating |
| CN105606529A (en) * | 2015-12-28 | 2016-05-25 | 深圳市星源材质科技股份有限公司 | Lithium ion battery coating membrane peel strength test method |
| CN106769846A (en) * | 2016-12-27 | 2017-05-31 | 深圳中兴创新材料技术有限公司 | A kind of peel strength testing device and its application |
| CN108072605A (en) * | 2017-11-27 | 2018-05-25 | 惠州拓邦电气技术有限公司 | A kind of test method of electrodes of lithium-ion batteries peel strength |
| CN108226031A (en) * | 2017-12-29 | 2018-06-29 | 国联汽车动力电池研究院有限责任公司 | A kind of detection method of electrodes of lithium-ion batteries adhesive force |
| CN208255031U (en) * | 2018-05-31 | 2018-12-18 | 江苏清陶能源科技有限公司 | A kind of 180 ° of peel test force structures of lithium battery diaphragm coating |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243718A (en) * | 2019-07-11 | 2019-09-17 | 成都市银隆新能源产业技术研究有限公司 | A kind of battery pole piece caking property test method and test device |
| CN110646344A (en) * | 2019-09-29 | 2020-01-03 | 深圳好电科技有限公司 | Characterization method and characterization device for electrode plate bonding performance |
| CN110987792A (en) * | 2019-12-03 | 2020-04-10 | 浙江锋锂新能源科技有限公司 | Solid electrolyte membrane peel strength testing method |
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