CN108428947A - Wrapping type power cell - Google Patents
Wrapping type power cell Download PDFInfo
- Publication number
- CN108428947A CN108428947A CN201810282008.XA CN201810282008A CN108428947A CN 108428947 A CN108428947 A CN 108428947A CN 201810282008 A CN201810282008 A CN 201810282008A CN 108428947 A CN108428947 A CN 108428947A
- Authority
- CN
- China
- Prior art keywords
- cathode
- batten
- lug
- positive
- anode
- 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
- 238000004513 sizing Methods 0.000 claims abstract description 8
- 239000011267 electrode slurry Substances 0.000 claims abstract description 7
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims description 37
- 239000002184 metal Substances 0.000 claims description 37
- 229910052782 aluminium Inorganic materials 0.000 claims description 36
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 35
- 239000002985 plastic film Substances 0.000 claims description 35
- 229920006255 plastic film Polymers 0.000 claims description 35
- 239000000565 sealant Substances 0.000 claims description 21
- 238000005538 encapsulation Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 23
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009459 flexible packaging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a kind of Wrapping type power cells comprising：Battery core body, the battery core body include：Serpentine positive plate, diaphragm and negative plate；The positive plate includes：Plus plate current-collecting body and anode sizing agent coated on plus plate current-collecting body, every layer of plus plate current-collecting body first end, which is all cut, is formed with the internal lug of an anode；The negative plate includes：Negative current collector and negative electrode slurry coated on negative current collector, every layer of negative current collector second end, which is all cut, is formed with lug inside cathode.Wrapping type power cell provided by the present invention, so that lug is due to placing in the opposite direction inside the internal lug of anode and cathode, it can be obtained by cutting, and then while so that battery core body is had the advantages that laminated power battery low resistance, additionally it is possible to which there is the high efficiency of traditional Wrapping type power cell.
Description
Technical field
The present invention relates to power battery technology field more particularly to a kind of Wrapping type power cells.
Background technology
Lithium-ion-power cell has a wide range of applications in new energy field, for example is stored up in electric vehicle, new energy
The fields such as energy station.
Battery core is generally made by winding method or laminated layer method in lithium-ion-power cell in the prior art.Wherein, it rolls up
The battery structure that winding makes is simple, and production efficiency is high, only needs a positive plate and a negative plate, battery specific energy big；And
The disadvantage is that：Pole piece is long, and the internal resistance of cell is big, is unfavorable for being large current discharge, specific power is small.The battery that laminated layer method makes, advantage exist
In：Pole piece is short, and the internal resistance of cell is relatively small, is conducive to high current charge-discharge；And the disadvantage is that：Battery pole piece is more, generates rim charge
It is more, low production efficiency.
Therefore, although the laminated power battery internal resistance of cell is smaller, be conducive to be large current discharge, since structure limits,
It needs to be overlapped in layer so that production efficiency is relatively low.
As it can be seen that the existing technology needs to be improved and developed.
Invention content
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of Wrapping type power cells, it is intended to solve
Certainly laminated power battery needs to be overlapped from level to level in the prior art, the relatively low problem of production efficiency.
Technical scheme is as follows：
A kind of Wrapping type power cell comprising：Battery core body, the battery core body include：Serpentine positive plate, diaphragm
And negative plate；The positive plate includes：Plus plate current-collecting body and anode sizing agent coated on plus plate current-collecting body, every layer of anode collection
Body first end, which is all cut, is formed with the internal lug of an anode；The negative plate includes：Negative current collector and be coated on cathode collection
The negative electrode slurry of fluid, every layer of negative current collector second end, which is all cut, is formed with lug inside cathode.
Further, the Wrapping type power cell further includes：Cathode metal item, positive sealant layer and the external pole of anode
Ear；The cathode metal item is fixedly connected with one in the internal lug of multiple anodes, and in cathode metal item and all anodes
The side of portion's lug is all bonded；The external lug of anode is connected with positive internal lug, and the anode sealant layer is located at
On the outside of positive external lug and anode internal lug junction.
Further, the cathode metal item includes：The first anode being fixedly connected on the internal lug of outermost anode
Batten, perpendicular to the second positive batten of the described first positive batten, perpendicular to the described second positive batten and with the first anode
The parallel third anode batten of batten, perpendicular to the third anode batten and fourth anode article parallel with the second positive batten
Plate and perpendicular to the 4th positive batten and with the symmetrically arranged 5th positive batten of the first positive batten, the 5th anode article
Plate and the first positive batten are connected to the internal lug of same anode；The second positive batten and the 4th positive batten respectively with institute
The two sides for stating lug inside anode fit.
Further, the Wrapping type power cell further includes：Negative metal item, cathode sealant layer and negative outer pole
Ear；The negative metal item is fixedly connected with one in lug inside multiple cathode, and in negative metal item and all cathode
The side of portion's lug is all bonded；The negative outer lug is connected with lug inside cathode, and the cathode sealant layer is located at
Negative outer lug and lug junction outside inside cathode.
Further, the negative metal item includes：It is fixedly connected on the first cathode on lug inside outermost cathode
Batten, perpendicular to the second cathode batten of the first cathode batten, perpendicular to the second cathode batten and with the first cathode
The parallel third cathode batten of batten, perpendicular to the third cathode batten and fourth cathode article parallel with the second cathode batten
Plate and perpendicular to the 4th cathode batten and with the symmetrically arranged 5th cathode batten of the first cathode batten, the 5th cathode article
Plate and the first cathode batten are connected to lug inside same cathode；The second cathode batten and the 4th cathode batten respectively with institute
The two sides for stating lug inside cathode fit.
Further, the Wrapping type power cell further includes：First aluminum plastic film and the second aluminum plastic film, first plastic-aluminum
Film and the second aluminum plastic film press to form battery case.
Further, first aluminum plastic film is identical as the second aluminum plastic film shape, and the two is all in that five bandings keep off upper opening
Hollow rectangle, and the first aluminum plastic film lower face be outward extended with film encapsulation side, the second aluminum plastic film upper surface is outward extended with
Lower film encapsulates side, first aluminum plastic film and the second aluminum plastic film by upper film encapsulate while and when lower film encapsulation press connection.
Further, the positive sealant layer and cathode sealant layer be all located at the encapsulation of upper film while and lower film encapsulate while it
Between；And positive sealant layer is corresponding with one in two short sides of battery case, cathode sealant layer then with battery case two
Another in a short side is corresponding.
Further, the cathode metal item is copper bar.
Further, the plus plate current-collecting body is aluminium foil, and negative current collector is copper foil.
Compared with prior art, Wrapping type power cell provided by the invention, as a result of battery core body, the battery core
Ontology includes：Serpentine positive plate, diaphragm and negative plate；The positive plate includes：Plus plate current-collecting body and coated on just
The anode sizing agent of pole collector, every layer of plus plate current-collecting body first end, which is all cut, is formed with the internal lug of an anode；The negative plate
Including：Negative current collector and negative electrode slurry coated on negative current collector, every layer of negative current collector second end all cut to be formed
There is lug inside cathode.So that lug can pass through cutting due to placing in the opposite direction inside the internal lug of anode and cathode
While obtaining, and then battery core body made to have the advantages that laminated power battery low resistance, additionally it is possible to have traditional takeup type dynamic
The high efficiency of power battery.
Description of the drawings
Fig. 1 is the structural schematic diagram at the first visual angle of battery core body in power battery preferred embodiment of the present invention.
Fig. 2 is the structural schematic diagram at the second visual angle of battery core body in power battery preferred embodiment of the present invention.
Fig. 3 is the structural schematic diagram of power battery preferred embodiment of the present invention.
Fig. 4 is the structural schematic diagram after positive plate expansion in power battery preferred embodiment of the present invention.
Fig. 5 is the structural schematic diagram after negative plate expansion in power battery preferred embodiment of the present invention.
Specific implementation mode
The present invention provides a kind of power battery production method and power battery, for make the purpose of the present invention, technical solution and
Effect is clearer, clear, referring to the drawings and gives an actual example that the present invention is described in more detail.It should be appreciated that this place
The specific embodiment of description is only used to explain the present invention, is not intended to limit the present invention.
As shown in Figures 1 and 2, the present invention provides a kind of power battery, the power battery includes：Battery core body, institute
Stating battery core body includes：Serpentine positive plate, diaphragm and negative plate；The positive plate includes：Plus plate current-collecting body（Anode collection
Fluid is overlapped with anode sizing agent 115, and is covered by anode sizing agent 115, therefore is not indicated）And coated on plus plate current-collecting body
Anode sizing agent 115, as shown in Figure 4；Every layer of plus plate current-collecting body first end, which is all cut, is formed with an anode inside lug 111；It is described
Negative plate includes：Negative current collector（Negative current collector is overlapped with negative electrode slurry 125, and is covered by negative electrode slurry 125, therefore
It does not indicate）And the negative electrode slurry 125 coated on negative current collector, as shown in Figure 5；Every layer of negative current collector second end is all cut
It is formed with lug 121 inside cathode.The plus plate current-collecting body is aluminium foil, and negative current collector is copper foil.
In the present invention further preferred embodiment, the power battery further includes：Cathode metal item 112, anode are close
Adhesive layer 114 and anode outside lug 113；The cathode metal item 112 and a fixation in multiple anode inside lug 111
Connection, and cathode metal item 112 is all bonded with the side of all anode inside lug 111；The external lug of the anode 113 with just
Extremely inside lug 111 is connected, and the anode sealant layer 114 is located at the external lug 113 of anode and the internal lug 111 of anode connects
Connect place outside.
When it is implemented, the cathode metal item 112 includes：It is fixedly connected on outermost anode inside lug 111
First positive batten, perpendicular to the second positive batten of the described first positive batten, perpendicular to the described second positive batten and with
The parallel third anode batten of first positive batten, perpendicular to the third anode batten and parallel with the second positive batten the
Four positive battens and perpendicular to the 4th positive batten and with the symmetrically arranged 5th positive batten of the first positive batten, described the
Five positive battens and the first positive batten are connected to same anode inside lug 111；Described second positive batten and the 4th anode
Two sides of the batten respectively with anode inside lug 111 fit.
In addition to this, the power battery further includes：Negative metal item 122, cathode sealant layer 124 and negative outer pole
Ear 123；The negative metal item 122 is fixedly connected with one in lug 121 inside multiple cathode, and negative metal item 122
It is all bonded with the side of lug 121 inside all cathode；The negative outer lug 123 is connected with lug 121 inside cathode,
The cathode sealant layer 124 is located at negative outer lug 123 and 121 junction of lug outside inside cathode.
Positive internal lug 111 is for pooling together the electric current on positive plate, and lug 121 will be for that will bear inside cathode
Electric current on pole piece pools together；Positive external lug 113 and negative outer lug 123 are referred to as external lug, described outer
Portion's lug is extracted for electric current from inside battery.
Identical as 112 shape of cathode metal item, the negative metal item 122 includes：It is negative to be fixedly connected on outermost
The first cathode batten extremely on internal lug 121, perpendicular to the second cathode batten of the first cathode batten, perpendicular to described
Second cathode batten and the third cathode batten parallel with the first cathode batten, perpendicular to the third cathode batten and with second
The 4th parallel cathode batten of cathode batten and perpendicular to the 4th cathode batten and with the first cathode batten symmetrically arranged
Five cathode battens, the 5th cathode batten and the first cathode batten are connected to lug 121 inside same cathode；Described second is negative
The two sides of pole batten and the 4th cathode batten respectively with lug 121 inside the cathode fit.The cathode metal item 112
And negative metal item 122 is all preferably copper bar.
As shown in figure 3, in the present invention further preferred embodiment, the power battery further includes：First aluminum plastic film
210 and second aluminum plastic film 220, the pressing of first aluminum plastic film, 210 and second aluminum plastic film 220 form battery case.Described first
Aluminum plastic film 210 is identical as 220 shape of the second aluminum plastic film, and the two all keeps off the hollow rectangle of upper opening, and the first aluminium in five bandings
210 lower face of plastic film is outward extended with upper casing encapsulation side, and 220 upper surface of the second aluminum plastic film is outward extended with lower casing encapsulation side, institute
State the first aluminum plastic film 210 and the second aluminum plastic film 220 by upper casing encapsulation while and lower casing encapsulate while press connection.The anode sealing
Between glue-line 114 and cathode sealant layer 124 are all located at upper casing encapsulation when lower casing encapsulates；And positive sealant layer 114 with
One in two short sides of battery case is corresponding, cathode sealant layer 124 then with another in two short sides of battery case
It is corresponding.
Power battery power battery production method as described below obtains, and the power battery production method includes：
S100, it is coated with anode sizing agent and remains the positive plate for having the first blank collector, diaphragm and starched coated with cathode
Expect and remaining has the negative plate of the second blank collector to be bonded successively, the first blank collector and the second blank collector side
To opposite.
S200, the positive plate being bonded successively, diaphragm and negative plate are wound.
S300, the two corners of the first blank collector and the second blank collector after winding are removed respectively, it will be remaining more
A first blank collector is all used as the internal lug of anode, and remaining multiple second blank collectors are all used as inside cathode
Lug uses.
Further, further include after the S300：It is S400, arbitrary in the outermost two internal lugs of anode
Cathode metal item is fixedly connected on one, the cathode metal strip and position are as described in above-mentioned device embodiment.
Further, further include after the S400：S500, it is glued in cathode metal item and anode internal lug junction
Lug outside anode is connect, to form positive pole ear.
It is preferred that further including after the S300：It is S600, any one in lug inside outermost two cathode
Negative metal item is fixedly connected on a, the negative metal strip and position are as described in above-mentioned device embodiment.
Further include after S600：S700, in negative metal item negative outer lug Nian Jie with lug junction inside cathode,
To form negative lug.
Herein it should be noted that the step of S400 and S600 in no particular order, which no matter first carries out, or simultaneously into
Row, does not affect power battery structure and performance.
The battery body, which is packed, to be formed the process of power battery and includes：
Process multiple first grooves and the second groove respectively on the first aluminum plastic film and the second aluminum plastic film in strip；
Battery core body after formation positive pole ear and internal lug is placed in the first groove；
The back-off of second aluminum plastic film is placed on above the first aluminum plastic film and carries out hot-pressing, edge-sealing, forms multiple power placed side by side
Battery.
Further, described that the back-off of second aluminum plastic film is placed on above the first aluminum plastic film and carries out hot-pressing, edge-sealing, it is formed
Further include step after multiple power batteries placed side by side：
The multiple power batteries for being formed by placed side by side are cut, flexible packaging power battery is obtained.
Further, the cathode metal thickness is ten times to 100 times of positive internal phone thickness.
Further, the negative metal thickness is ten times to 100 times of cathode internal phone thickness.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of Wrapping type power cell, which is characterized in that including：Battery core body, the battery core body include：It is serpentine
Positive plate, diaphragm and negative plate；The positive plate includes：Plus plate current-collecting body and anode sizing agent coated on plus plate current-collecting body,
Every layer of plus plate current-collecting body first end, which is all cut, is formed with the internal lug of an anode；The negative plate includes：Negative current collector and
Negative electrode slurry coated on negative current collector, every layer of negative current collector second end, which is all cut, is formed with lug inside cathode.
2. Wrapping type power cell according to claim 1, which is characterized in that the Wrapping type power cell further includes：
Cathode metal item, positive sealant layer and the external lug of anode；The cathode metal item and one in the internal lug of multiple anodes
It is a to be fixedly connected, and cathode metal item is all bonded with the side of the internal lug of all anodes；The external lug of anode and anode
Internal lug is connected, and the anode sealant layer is located on the outside of the external lug of anode and anode internal lug junction.
3. Wrapping type power cell according to claim 2, which is characterized in that the cathode metal item includes：It is fixed to connect
Be connected on the first positive batten on the internal lug of outermost anode, perpendicular to the described first positive batten the second positive batten,
Perpendicular to the described second positive batten and the third anode batten parallel with the first positive batten, perpendicular to the third anode item
Plate and the parallel with the second positive batten the 4th positive batten and perpendicular to the 4th positive batten and with the first positive batten pair
The 5th positive batten of setting, the described 5th positive batten and the first positive batten is claimed to be connected to the internal lug of same anode；Institute
The two sides of the second positive batten and the 4th positive batten respectively with the internal lug of the anode are stated to fit.
4. Wrapping type power cell according to claim 3, which is characterized in that the Wrapping type power cell further includes：
Negative metal item, cathode sealant layer and negative outer lug；The negative metal item and one in lug inside multiple cathode
It is a to be fixedly connected, and negative metal item is all bonded with the side of lug inside all cathode；The negative outer lug and cathode
Internal lug is connected, and the cathode sealant layer is located at negative outer lug and lug junction outside inside cathode.
5. Wrapping type power cell according to claim 4, which is characterized in that the negative metal item includes：It is fixed to connect
Be connected on the first cathode batten inside outermost cathode on lug, perpendicular to the first cathode batten the second cathode batten,
Perpendicular to the second cathode batten and the third cathode batten parallel with the first cathode batten, perpendicular to the third cathode item
Plate and the fourth cathode batten parallel with the second cathode batten and perpendicular to the 4th cathode batten and with the first cathode batten pair
The 5th cathode batten of setting, the 5th cathode batten and the first cathode batten is claimed to be connected to lug inside same cathode；Institute
The two sides of the second cathode batten and the 4th cathode batten respectively with lug inside the cathode are stated to fit.
6. Wrapping type power cell according to claim 5, which is characterized in that the Wrapping type power cell further includes：
First aluminum plastic film and the second aluminum plastic film, first aluminum plastic film and the second aluminum plastic film press to form battery case.
7. Wrapping type power cell according to claim 6, which is characterized in that first aluminum plastic film and the second aluminum plastic film
Shape is identical, and the two is all in the hollow rectangle of five bandings gear upper opening, and the first aluminum plastic film lower face is outward extended with film
Side is encapsulated, the second aluminum plastic film upper surface is outward extended with lower film encapsulation side, and first aluminum plastic film passes through upper with the second aluminum plastic film
Film encapsulation while and lower film encapsulate while press connection.
8. Wrapping type power cell according to claim 7, which is characterized in that the anode sealant layer and cathode sealing
Between glue-line is all located at the encapsulation of upper film when lower film encapsulates；And one in positive sealant layer and two short sides of battery case
It is corresponding, cathode sealant layer then in two short sides of battery case another is corresponding.
9. Wrapping type power cell according to claim 2, which is characterized in that the cathode metal item is copper bar.
10. Wrapping type power cell according to claim 1, which is characterized in that the plus plate current-collecting body is aluminium foil, cathode
Collector is copper foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810282008.XA CN108428947A (en) | 2018-04-02 | 2018-04-02 | Wrapping type power cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810282008.XA CN108428947A (en) | 2018-04-02 | 2018-04-02 | Wrapping type power cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108428947A true CN108428947A (en) | 2018-08-21 |
Family
ID=63159782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810282008.XA Pending CN108428947A (en) | 2018-04-02 | 2018-04-02 | Wrapping type power cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108428947A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110364768A (en) * | 2019-06-11 | 2019-10-22 | 温州大学新材料与产业技术研究院 | A kind of multi-winding-core battery production method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101488586A (en) * | 2008-01-18 | 2009-07-22 | 东升能源科技（成都）有限公司 | Novel scheme for lithium ion power cell manufacturing |
| CN203589161U (en) * | 2013-11-21 | 2014-05-07 | 湖南丰源业翔晶科新能源股份有限公司 | Convoluted lithium ion battery |
| CN104362385A (en) * | 2014-10-13 | 2015-02-18 | 珠海市鹏辉电池有限公司 | Method for preparing winding cell of lithium ion battery |
| CN208226026U (en) * | 2018-04-02 | 2018-12-11 | 范能文 | Wrapping type power cell |
-
2018
- 2018-04-02 CN CN201810282008.XA patent/CN108428947A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101488586A (en) * | 2008-01-18 | 2009-07-22 | 东升能源科技（成都）有限公司 | Novel scheme for lithium ion power cell manufacturing |
| CN203589161U (en) * | 2013-11-21 | 2014-05-07 | 湖南丰源业翔晶科新能源股份有限公司 | Convoluted lithium ion battery |
| CN104362385A (en) * | 2014-10-13 | 2015-02-18 | 珠海市鹏辉电池有限公司 | Method for preparing winding cell of lithium ion battery |
| CN208226026U (en) * | 2018-04-02 | 2018-12-11 | 范能文 | Wrapping type power cell |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110364768A (en) * | 2019-06-11 | 2019-10-22 | 温州大学新材料与产业技术研究院 | A kind of multi-winding-core battery production method |
| CN110364768B (en) * | 2019-06-11 | 2021-05-21 | 温州大学新材料与产业技术研究院 | Method for manufacturing multi-winding-core battery |
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Application publication date: 20180821 |