CN207217641U - Lithium ion battery gluing barrier film - Google Patents
Lithium ion battery gluing barrier film Download PDFInfo
- Publication number
- CN207217641U CN207217641U CN201721039422.5U CN201721039422U CN207217641U CN 207217641 U CN207217641 U CN 207217641U CN 201721039422 U CN201721039422 U CN 201721039422U CN 207217641 U CN207217641 U CN 207217641U
- Authority
- CN
- China
- Prior art keywords
- coating
- organic matter
- film surface
- batch
- area
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Cell Separators (AREA)
Abstract
The utility model provides a kind of lithium ion battery gluing barrier film, including：Basement membrane, with relative the first film surface and the second film surface, organic matter coating is provided with least one of film surface of basement membrane, the organic matter coating set at least one of film surface of basement membrane is batch (-type) organic matter coating, and batch (-type) organic matter coating includes the coating area being distributed in batch (-type) and is left white area.By at least directly or indirectly setting batch (-type) organic matter coating in the relative film surface of battery diaphragm or two film surfaces, batch (-type) organic matter coating is arranged to coated areas and is left white area, coating area is used to bond battery core both positive and negative polarity group, it is left white the transmission network that area is built into battery core electrolyte, it can also ensure smooth transmission of the electrolyte in separating film layer while battery core compacting is ensured, effectively improve wellability of the electrolyte to barrier film, maintain the higher guarantor's liquid measure of battery core, effectively prevent the diving phenomenon in circulating battery later stage, shorten the aging time of repose of fluid injection, improve product production capacity and quality.
Description
Technical field
The utility model belongs to technical field of lithium-ion battery, isolates more particularly to a kind of lithium ion battery gluing
Film.
Background technology
Positive electrode, negative material, barrier film and electrolyte needed for lithium ion battery manufacture are referred to as lithium ion
Four big critical material of battery.Wherein, the main function of barrier film is that the positive and negative electrode for making battery is separated, and prevents the two poles of the earth from contacting
And it is short-circuit, while there is the function that can pass through electrolyte ion.Its performance determines the interfacial structure of battery, internal resistance etc., directly
The characteristics such as capacity, circulation and the security performance for influenceing battery are connect, the barrier film of excellent performance is to improving battery combination property tool
Play an important role.In lithium ion battery manufacturing process, in barrier film both sides gluing, and by hot pressing process by positive/negative plate with
Barrier film is bonded together.
At present, domestic and international gluing lithium ion battery gluing barrier film manufacturer is all the gluing barrier film for producing full coat, is used
It is such a isolation film production battery core the drawbacks of be：When barrier film glue-spread is more, both positive and negative polarity is compacted too high, meeting to battery core after hot-pressing
The smooth transmission of electrolyte ion is influenceed, causing electrolyte to enter, battery core pole group is difficult, and battery core is difficult to ensure that higher guarantor's liquid measure,
When battery core center section lacks electrolyte, it will cause battery core to circulate the problems such as later stage battery electric quantity is dived；And if reduced
The glue-spread of barrier film, battery core can be caused to press unreal, battery core to enter when shell is difficult or battery core enters shell again and be scraped off and cause battery short
The problems such as road.
It is necessary to research and develop a kind of gluing barrier film for this, makes transmission of the battery electrolyte between both positive and negative polarity not by barrier film
The how many influence of rubberised layer.
Utility model content
In view of the above the shortcomings that prior art, the purpose of this utility model is to provide a kind of lithium ion battery gluing
Barrier film, for solving to use continous way gluing barrier film in the prior art, when barrier film glue-spread is excessive, battery core was compacted
Height, cause the battery electric quantity diving of battery core circulation later stage, and when barrier film glue-spread is very few, battery core pressure is unreal, causes battery system
Battery core enters the problems such as shell difficulty during making.
In order to achieve the above objects and other related objects, the utility model provides a kind of lithium ion battery gluing barrier film,
Including：Basement membrane, there is relative the first film surface and the second film surface, organic matter is provided with least one of film surface of the basement membrane
Coating, the organic matter coating set at least one of film surface of the basement membrane is batch (-type) organic matter coating, between described
Formula of having a rest organic matter coating includes coating area and is left white area, and the coating area is distributed with area is left white in batch (-type).
Preferably, the coating area is point-like coating area, and the membrane area of the point-like coating area is 1mm2-2500mm2,
The membrane area for being left white area accounts for the 1%-50% of the batch (-type) organic coating membrane area；The coating area applies for striated
Jiao Qu, and the width of fringe of the striated coating area is 1mm-50mm, the width that is left white for being left white area is 0.1mm-10mm.
Preferably, the first film surface of the basement membrane and the second film surface are each formed with organic matter coating；First film surface and
The organic matter coating at least on a film surface in second film surface is batch (-type) organic matter coating.
Further, the organic matter coating on first film surface and second film surface is that batch (-type) organic matter applies
Layer.
Further, one layer of inorganic matter protective layer is provided between first film surface and the batch (-type) organic matter coating；
And/or one layer of inorganic matter protective layer is provided between second film surface and the batch (-type) organic matter coating.
Preferably, the organic matter coating on first film surface is batch (-type) organic matter coating, on second film surface
Organic matter coating is continous way organic matter coating.
Further, one layer of inorganic matter protective layer is provided between first film surface and the batch (-type) organic matter coating；
And/or one layer of inorganic matter protective layer is provided between second film surface and the continous way organic matter coating.
Preferably, the organic matter coating on first film surface is continous way organic matter coating, on second film surface
Organic matter coating is batch (-type) organic matter coating.
Further, one layer of inorganic matter protective layer is provided between first film surface and the continous way organic matter coating；
And/or one layer of inorganic matter protective layer is provided between second film surface and the batch (-type) organic matter coating.
Preferably, only described first film surface forms organic/inorganic substance protective layer formed with organic matter coating, second film surface.
Further, one layer of inorganic matter protective layer is additionally provided between first film surface and the organic matter coating.
Preferably, only described second film surface forms organic/inorganic substance protective layer formed with organic matter coating, first film surface.
Further, one layer of inorganic matter protective layer is additionally provided between second film surface and the organic matter coating.
As described above, the utility model provides a kind of lithium ion battery gluing barrier film, including：Basement membrane, have relative
First film surface and the second film surface, organic matter coating is provided with least one of film surface of the basement membrane, and the basement membrane is extremely
Few organic matter coating wherein set on a film surface is batch (-type) organic matter coating, and the batch (-type) organic matter coating includes
Coating area is distributed with area, the coating area is left white with area is left white in batch (-type)., wherein it is desired to illustrate, in the utility model
Described batch (-type) organic coating and continous way organic coating are relative concept, and both difference are coating method difference, institute
Batch (-type) organic coating is stated to refer to, when by organic coating coated on basement membrane, endless all standing membrane surface, and distinguish painting
Jiao Qu and it is left white area；The continous way organic coating refers to, when by organic coating coated on basement membrane, basement membrane table is completely covered
Face, do not differentiate between out coating area and be left white area.The utility model has the advantages that：Change conventional continous way organic matter
Coating, required according to different product, directly or indirectly set in the first film surface of basement membrane or the first relative film surface and the second film surface
Batch (-type) organic matter coating is put, and batch (-type) organic matter coating includes coating area and is left white area, coating area is used to bond battery core just
Negative pole group, the transmission network that area is built into battery core electrolyte is left white, can also ensure that electrolyte exists while battery core compacting is ensured
The smooth transmission of barrier film, wellability of the electrolyte to barrier film is effectively improved, maintain the higher guarantor's liquid measure of battery core, effectively prevent
The electricity diving phenomenon in circulating battery later stage, shortens the aging time of repose of fluid injection, improves product production capacity and quality.
Brief description of the drawings
Fig. 1 is shown as the point-like batch (-type) organic matter coating structure of lithium ion battery gluing barrier film of the present utility model
Film surface schematic diagram.
Fig. 2 is shown as the striated batch (-type) organic matter coating structure of lithium ion battery gluing barrier film of the present utility model
Film surface schematic diagram.
The first embodiment structure that Fig. 3 A~3C are shown as lithium ion battery gluing barrier film of the present utility model is shown
It is intended to.
Second of embodiment structure that Fig. 4 A~4D are shown as lithium ion battery gluing barrier film of the present utility model is shown
It is intended to.
The third embodiment structure that Fig. 5 A~5D are shown as lithium ion battery gluing barrier film of the present utility model is shown
It is intended to.
Component label instructions
1 batch (-type) organic matter coating
2 coating areas
3 are left white area
4 lithium ion battery gluing barrier films
5 basement membranes
6 inorganic matter protective layers
7 batch (-type) organic matter coatings
8 continous way organic matter coatings
Embodiment
Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the present utility model easily.
Fig. 1 is referred to Fig. 5.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only to
Coordinate the content disclosed in specification, so that those skilled in the art understands and reads, be not limited to the utility model
Enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size
Adjustment, in the case where not influenceing the effect of the utility model can be generated and the purpose that can reach, all should still fall in the utility model
Disclosed technology contents are obtained in the range of covering.Meanwhile in this specification it is cited as " on ", " under ", " left side ",
The term on " right side ", " centre " and " one " etc., understanding for narration is merely convenient to, and it is enforceable to be not used to restriction the utility model
Scope, its relativeness are altered or modified, enforceable when being also considered as the utility model in the case where changing technology contents without essence
Category.
As shown in Fig. 1~Fig. 2, the utility model provides a kind of lithium ion battery gluing barrier film, including：Basement membrane is (in figure
Not depending on going out), there is relative the first film surface and the second film surface, applied at least one of film surface of the basement membrane coated with organic matter
Layer, and the organic matter coating coated at least one of film surface of the basement membrane is batch (-type) organic matter coating 1, the batch (-type) has
1 endless all standing membrane surface of machine thing coating, including coating area 2 and be left white area 3, and coating area 2 and area 3 is left white in batch (-type) point
Cloth, coating area 2 are used to bond battery core both positive and negative polarity group, are left white the transmission network that area 3 is built into battery core electrolyte.
As an example, as shown in figure 1, coating area 2 can be point-like coating area, it is preferable that the membrane area of point-like coating area 2
For 1mm2-2500mm2, the membrane area for being left white area 3 accounts for the 1%-50% of the whole membrane area of batch (-type) organic coating 1；Show as another
Example, as shown in Fig. 2 coating area 2 can also be striated coating area, it is preferable that (scheme along barrier film core striated coating area 2
In not depending on going out) direction, width of fringe 1mm-50mm, the width that is left white for being left white area 3 is 0.1mm-10mm.
After battery core both positive and negative polarity group is bonded together by coating area 2, battery core electrolyte can by be left white area 3 form biography
Defeated net passes through separating film layer, can also ensure smooth transmission of the electrolyte in barrier film while battery core compacting is ensured,
The higher guarantor's liquid measure of battery core is maintained, effectively prevents the diving phenomenon in circulating battery later stage, shortens the aging time of repose of fluid injection,
Improve product production capacity and quality.
As shown in Fig. 3 A~Fig. 5 D, it is necessary to described in, the upper table film surface of the basement membrane 5 is described defined in the example below
First film surface of basement membrane, the following table film surface of the basement membrane 5 is the second film surface of the basement membrane, however, those skilled in the art can
To be interchangeable first film surface and the second film surface according to example, so the technical scheme of following examples description should manage
The following table film surface for solving for while including the basement membrane 5 is the first film surface, and upper table film surface is the technical scheme of the second film surface.
Embodiment 1
Reference picture 3A~3C, the present embodiment provide a kind of lithium ion battery gluing barrier film 4, including：Basement membrane 5, batch (-type)
Organic matter coating 7, and the batch (-type) organic matter coating 7 is two layers, one layer is directly or indirectly coated in the first of the basement membrane 5
Film surface, another layer are directly or indirectly coated in the second film surface of the basement membrane 5.By in the first relative film surface of the basement membrane 5
Batch (-type) organic matter coating 7 is coated with the second film surface, electrolyte can all ensure smoothly to transmit in the film surface of barrier film two, make electrolysis
Liquid is more efficient to the wellability of barrier film, so as to maintain guarantor liquid measure of the barrier film to electrolyte to a greater extent, further
Phenomena such as preventing the electricity in circulating battery later stage from diving.
As an example, as shown in Figure 3A, one layer of the batch (-type) organic matter coating 7 is applied directly to the basement membrane 5
First film surface, another layer of the batch (-type) organic matter coating 7 are applied directly to the second film surface of the basement membrane 5.
As another example, as shown in Figure 3 B, the first film surface of the basement membrane 5 also directly sets an inorganic matter protective layer 6,
And one layer of the batch (-type) organic matter coating 7 is directly coated on the inorganic matter protective layer 6, the batch (-type) organic matter
Another layer of coating 7 is applied directly to the second film surface of the basement membrane 5.
As the third example, as shown in Figure 3 C, the first relative film surface of the basement membrane 5 and the second film surface directly coat
One inorganic matter protective layer 6, and the batch (-type) organic matter coating 7 is directly coated on the inorganic matter protective layer 6.Isolation
The phenomenon of contraction, softening or even fusing occurs when temperature reaches 130 DEG C or higher for film, and inorganic matter such as three aoxidizes two
Aluminium, silica, barium sulfate, boehmite etc. are highly stable in 100 DEG C~300 DEG C temperature ranges, using inorganic matter protective layer 6
High heat endurance, the thermal dimensional stability of barrier film can be improved, while particles of inorganic material has stronger pellicle face hydrophily,
Wellability of the barrier film to electrolyte can be improved, further improve liquid-keeping property of the barrier film to electrolyte.
Embodiment 2
Reference picture 4A~4D, the present embodiment provide a kind of lithium ion battery gluing barrier film 4, including：Basement membrane 5, batch (-type)
Organic matter coating 7, the batch (-type) organic matter coating 7 is one layer, and is applied directly to the second film surface of the basement membrane.
As an example, as shown in Figure 4 A, the second film surface of the basement membrane 5 is directly coated with a batch (-type) organic matter coating 7,
First film surface directly coats an inorganic matter protective layer 6.
As another example, as shown in Figure 4 B, the second film surface of the basement membrane 5 directly coats a batch (-type) organic matter coating
7, the first film surface is directly coated with a continous way organic matter coating 8, and the continous way organic coating 8 refers to, by organic coating
During coated on basement membrane, membrane surface is completely covered, does not differentiate between out coating area and is left white area.
As the third example, as shown in Figure 4 C, the second film surface of the basement membrane 5 directly coats batch (-type) organic matter painting
Layer 7, the first film surface directly coat an inorganic matter protective layer 6, and organic in directly coating a continous way on the inorganic matter protective layer 6
Thing coating 8, the continous way organic coating 8 refer to, when by organic coating coated on basement membrane, membrane surface is completely covered,
Do not differentiate between out coating area and be left white area.
As the 4th kind of example, as shown in Figure 4 D, the second film surface of the basement membrane 5 directly coats batch (-type) organic matter painting
Layer 7, the first film surface had both been not coated by the inorganic matter protective layer 6 as described in Fig. 4 C, was also not coated by the continous way organic matter coating
8, the continous way organic coating 8 refers to, when by organic coating coated on basement membrane, membrane surface is completely covered, does not differentiate between
Go out coating area and be left white area.
Embodiment 3
Reference picture 5A~5D, the present embodiment provide a kind of lithium ion battery gluing barrier film 4, including：Basement membrane 5, directly apply
The inorganic matter protective layer 6 of the film surface of basement membrane 5 first, batch (-type) organic matter coating 7 are overlying on, the batch (-type) organic matter coating 7 is
One layer, and coated on the inorganic matter protective layer 6.
As an example, as shown in Figure 5A, the first film surface of the basement membrane 5 directly coats an inorganic matter protective layer 6, and in this
A batch (-type) organic matter coating 7 is directly coated on inorganic matter protective layer 6, it is inorganic that the second film surface of the basement membrane 5 directly coats one
Thing protective layer 6.
As another example, as shown in Figure 5 B, the first film surface of the basement membrane 5 directly coats an inorganic matter protective layer 6, and
In directly coating a batch (-type) organic matter coating 7 on the inorganic matter protective layer 6, the second film surface of the basement membrane 5 directly coats one
Continous way organic matter coating 8, the continous way organic coating 8 refer to, when by organic coating coated on basement membrane, are completely covered
Membrane surface, do not differentiate between out coating area and be left white area.
As the third example, as shown in Figure 5 C, the first film surface of the basement membrane 5 directly coats an inorganic matter protective layer 6,
And in directly coating a batch (-type) organic matter coating 7 on the inorganic matter protective layer 6, the second film surface of the basement membrane 5 directly coats
One inorganic matter protective layer 6, and in directly coating a continous way organic matter coating 8 on the inorganic matter protective layer 6, the continous way has
Organic coating 8 refers to, when by organic coating coated on basement membrane, membrane surface is completely covered, does not differentiate between out coating area and is left white
Area.
As the 4th kind of example, as shown in Figure 5 D, the first film surface of the basement membrane 5 directly coats an inorganic matter protective layer 6,
And in directly coating a batch (-type) organic matter coating 7 on the inorganic matter protective layer 6, the second film surface of the basement membrane 5 was both not coated by
Inorganic matter protective layer 6 as described in Fig. 5 C, also it is not coated by the continous way organic matter coating 8, the continous way organic coating 8
Refer to, when by organic coating coated on basement membrane, membrane surface is completely covered, does not differentiate between out coating area and is left white area.
It is polyvinylidene fluoride that the batch (-type) organic matter coating 7 described in example or continous way organic matter coating 8, which is performed as described above,
Layer, polypropylene nitrile layer, polyethylene glycol oxide layer, polymethyl methacrylate layers, polyethersulfon layer, polysulfones layer, aramid layers, polyimides
Any one in layer, and organic granular weight accounting is 20%-100%；Inorganic matter protective layer described in example 6, which is performed as described above, is
Any one in alundum (Al2O3) layer, silicon dioxide layer, barium sulfate layer, boehmite layer, and inorganic particle weight accounting is
80%-100%.
In summary, the utility model provides a kind of lithium ion battery gluing barrier film, including：Basement membrane, have relative
First film surface and the second film surface, organic matter coating is provided with least one of film surface of the basement membrane, and the basement membrane is extremely
Few organic matter coating wherein set in one side is batch (-type) organic matter coating, and the batch (-type) organic matter coating includes applying
Jiao Qu is distributed with area, the coating area is left white with area is left white in batch (-type).The utility model has the advantages that：Change
Conventional continous way organic matter coating, is required according to different product, in the first film surface of basement membrane or the first relative film surface and
Two film surfaces directly or indirectly set batch (-type) organic matter coating, and batch (-type) organic matter coating includes coating area and is left white area, applies
Jiao Qu is used to bond battery core both positive and negative polarity group, is left white the transmission network that area is built into battery core electrolyte, while battery core compacting is ensured
Smooth transmission of the electrolyte in barrier film can also be ensured, effectively improve wellability of the electrolyte to barrier film, maintain battery core compared with
High guarantor's liquid measure, the diving phenomenon in circulating battery later stage is effectively prevented, shorten the aging time of repose of fluid injection, improve product production capacity
And quality.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.
Claims (13)
- A kind of 1. lithium ion battery gluing barrier film, it is characterised in that：Including：Basement membrane, it has the first relative film surface and Two film surfaces；Organic matter coating is provided with least one of film surface of the basement membrane；The organic matter coating set at least one of film surface of the basement membrane is batch (-type) organic matter coating；The batch (-type) organic matter coating includes coating area and is left white area；The coating area and the area that is left white are distributed in batch (-type).
- 2. lithium ion battery gluing barrier film according to claim 1, it is characterised in that：The coating area is point-like gluing Area, and the membrane area of the point-like coating area is 1mm2-2500mm2, the membrane area for being left white area accounts for the organic painting of the batch (-type) The 1%-50% of tunic area；Or, the coating area is striated coating area, and the width of fringe of the striated coating area is 1mm-50mm, described to stay The width that is left white in white area is 0.1mm-10mm.
- 3. lithium ion battery gluing barrier film according to claim 1, it is characterised in that：First film surface of the basement membrane and Second film surface is each formed with organic matter coating；Described at least on a film surface in first film surface and second film surface has Machine thing coating is batch (-type) organic matter coating.
- 4. lithium ion battery gluing barrier film according to claim 3, it is characterised in that：First film surface and described Organic matter coating on two film surfaces is batch (-type) organic matter coating.
- 5. lithium ion battery gluing barrier film according to claim 3, it is characterised in that：It is organic on first film surface Thing coating is batch (-type) organic matter coating, and the organic matter coating on second film surface is continous way organic matter coating.
- 6. lithium ion battery gluing barrier film according to claim 3, it is characterised in that：It is organic on first film surface Thing coating is continous way organic matter coating, and the organic matter coating on second film surface is batch (-type) organic matter coating.
- 7. lithium ion battery gluing barrier film according to claim 4, it is characterised in that：First film surface and it is described between One layer of inorganic matter protective layer is provided between formula of having a rest organic matter coating；And/or second film surface applies with the batch (-type) organic matter One layer of inorganic matter protective layer is provided between layer.
- 8. lithium ion battery gluing barrier film according to claim 5, it is characterised in that：First film surface and it is described between One layer of inorganic matter protective layer is provided between formula of having a rest organic matter coating；And/or second film surface applies with the continous way organic matter One layer of inorganic matter protective layer is provided between layer.
- 9. lithium ion battery gluing barrier film according to claim 6, it is characterised in that：First film surface and the company One layer of inorganic matter protective layer is provided between continuous formula organic matter coating；And/or second film surface applies with the batch (-type) organic matter One layer of inorganic matter protective layer is provided between layer.
- 10. lithium ion battery gluing barrier film according to claim 1, it is characterised in that：Only described first film surface is formed There is organic matter coating, second film surface forms organic/inorganic substance protective layer.
- 11. lithium ion battery gluing barrier film according to claim 1, it is characterised in that：Only described second film surface is formed There is organic matter coating, first film surface forms organic/inorganic substance protective layer.
- 12. lithium ion battery gluing barrier film according to claim 10, it is characterised in that：First film surface with it is described One layer of inorganic matter protective layer is additionally provided between organic matter coating.
- 13. lithium ion battery gluing barrier film according to claim 11, it is characterised in that：Second film surface with it is described One layer of inorganic matter protective layer is additionally provided between organic matter coating.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039422.5U CN207217641U (en) | 2017-08-18 | 2017-08-18 | Lithium ion battery gluing barrier film |
| PCT/CN2018/101032 WO2019034143A1 (en) | 2017-08-18 | 2018-08-17 | Separators and electrochemical devices comprising the separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039422.5U CN207217641U (en) | 2017-08-18 | 2017-08-18 | Lithium ion battery gluing barrier film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207217641U true CN207217641U (en) | 2018-04-10 |
Family
ID=61815784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721039422.5U Active CN207217641U (en) | 2017-08-18 | 2017-08-18 | Lithium ion battery gluing barrier film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207217641U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019034143A1 (en) * | 2017-08-18 | 2019-02-21 | Shanghai Energy New Materials Technology Co., Ltd. | Separators and electrochemical devices comprising the separator |
| CN109935761A (en) * | 2018-11-13 | 2019-06-25 | 万向一二三股份公司 | A kind of lithium ion battery composite pole piece and preparation method thereof |
| CN111092192A (en) * | 2019-12-27 | 2020-05-01 | 武汉中兴创新材料技术有限公司 | Polymer coating diaphragm and lithium ion battery |
| CN112635913A (en) * | 2020-12-21 | 2021-04-09 | 珠海冠宇电池股份有限公司 | Composite diaphragm, battery and composite diaphragm manufacturing method |
| CN112751137A (en) * | 2020-12-30 | 2021-05-04 | 远景动力技术(江苏)有限公司 | Method for arranging diaphragm gluing layer |
| CN112787037A (en) * | 2021-02-01 | 2021-05-11 | 合肥国轩高科动力能源有限公司 | Manufacturing method of high-performance safe soft package lithium ion battery |
| CN113206350A (en) * | 2021-06-07 | 2021-08-03 | 珠海冠宇电池股份有限公司 | Diaphragm and lithium ion battery comprising same |
| CN113410581A (en) * | 2021-06-07 | 2021-09-17 | 珠海冠宇电池股份有限公司 | Diaphragm and lithium ion battery comprising same |
| WO2022257859A1 (en) * | 2021-06-07 | 2022-12-15 | 珠海冠宇电池股份有限公司 | Lithium-ion battery |
| US11575178B2 (en) | 2018-11-22 | 2023-02-07 | Ningde Amperex Technology Limited | Separator and lithium ion battery |
| US11658366B2 (en) | 2019-05-14 | 2023-05-23 | Dongguan Poweramp Technology Limited | Electrochemical device |
-
2017
- 2017-08-18 CN CN201721039422.5U patent/CN207217641U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019034143A1 (en) * | 2017-08-18 | 2019-02-21 | Shanghai Energy New Materials Technology Co., Ltd. | Separators and electrochemical devices comprising the separator |
| CN109935761A (en) * | 2018-11-13 | 2019-06-25 | 万向一二三股份公司 | A kind of lithium ion battery composite pole piece and preparation method thereof |
| US11575178B2 (en) | 2018-11-22 | 2023-02-07 | Ningde Amperex Technology Limited | Separator and lithium ion battery |
| US11658366B2 (en) | 2019-05-14 | 2023-05-23 | Dongguan Poweramp Technology Limited | Electrochemical device |
| CN111092192A (en) * | 2019-12-27 | 2020-05-01 | 武汉中兴创新材料技术有限公司 | Polymer coating diaphragm and lithium ion battery |
| CN112635913A (en) * | 2020-12-21 | 2021-04-09 | 珠海冠宇电池股份有限公司 | Composite diaphragm, battery and composite diaphragm manufacturing method |
| CN112635913B (en) * | 2020-12-21 | 2024-05-31 | 珠海冠宇电池股份有限公司 | Composite diaphragm, battery and manufacturing method of composite diaphragm |
| CN112751137A (en) * | 2020-12-30 | 2021-05-04 | 远景动力技术(江苏)有限公司 | Method for arranging diaphragm gluing layer |
| CN112751137B (en) * | 2020-12-30 | 2024-04-26 | 远景动力技术(江苏)有限公司 | Method for setting diaphragm glue coating layer |
| CN112787037A (en) * | 2021-02-01 | 2021-05-11 | 合肥国轩高科动力能源有限公司 | Manufacturing method of high-performance safe soft package lithium ion battery |
| CN113206350A (en) * | 2021-06-07 | 2021-08-03 | 珠海冠宇电池股份有限公司 | Diaphragm and lithium ion battery comprising same |
| WO2022257859A1 (en) * | 2021-06-07 | 2022-12-15 | 珠海冠宇电池股份有限公司 | Lithium-ion battery |
| WO2022257728A1 (en) * | 2021-06-07 | 2022-12-15 | 珠海冠宇电池股份有限公司 | Separator and lithium ion battery comprising separator |
| CN113410581A (en) * | 2021-06-07 | 2021-09-17 | 珠海冠宇电池股份有限公司 | Diaphragm and lithium ion battery comprising same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207217641U (en) | Lithium ion battery gluing barrier film | |
| CN105280957B (en) | A kind of power lithium battery automatic production line and its production technology | |
| CN104395382B (en) | Porous polypropylene film, power storage device separator and electrical storage device | |
| CN107093694A (en) | A kind of aqueous PVDF coating lithium ions battery diaphragm and preparation method thereof | |
| CN105552285B (en) | A kind of ceramic-coated separator and preparation method thereof and the application in lithium ion battery | |
| CN106273956A (en) | A kind of embossing release film and processing technology thereof | |
| CN104684976B (en) | Polyester laminated film | |
| CN108963153A (en) | A kind of lithium ion battery separator and preparation method thereof | |
| CN108045041A (en) | A kind of fenestrated membrane heat-insulated polyester film and preparation method thereof | |
| CN109326831A (en) | Core strueture, battery core manufacturing method and battery | |
| CN108666512A (en) | A kind of lithium ion battery composite separation membrane and preparation method thereof | |
| CN104507261B (en) | A kind of preparation method of the microwave printed board containing step groove | |
| CN109605859A (en) | A kind of honeycomb core, cellular board and honeycomb core production method | |
| CN108933263A (en) | A kind of anode plate grid and preparation method thereof | |
| CN103753921B (en) | A kind of cigarette substitute papery barrel cigarette-brand can print through brush packaging film and preparation method | |
| CN103187467B (en) | A kind of from breathing pattern solar cell backboard and processing technique thereof | |
| CN210429958U (en) | Double-roller composite production equipment for solid energy storage device | |
| CN102975458A (en) | Dry-laminated corrugated board and manufacturing method thereof | |
| CN107955468A (en) | A kind of lithium ion battery separator of polyacrylonitrile coating | |
| CN202088602U (en) | Non-woven fabric tab glue | |
| CN111430809A (en) | Dispensing device and lithium ion battery production method adopting same | |
| KR100517171B1 (en) | Inlaid conductive flooring containing conductive materials and method for preparing the same | |
| US9074290B2 (en) | Bipolar ion exchange membranes for batteries and other electrochemical devices | |
| CN117276807A (en) | Diaphragm and preparation method and application thereof | |
| CN110890596A (en) | Rubberizing structure for lithium ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201399 No. 155 Nanlu Highway, Pudong New Area, Shanghai Patentee after: Shanghai Enjie New Materials Technology Co., Ltd. Address before: 201399 No. 155 South Lu highway, Pudong New Area, Pudong New Area, Shanghai. Patentee before: Shanghai Enjie New Material Technology Co.,Ltd. |