CN105355982B - A kind of cylindrical polymer lithium-ion battery preparation method - Google Patents
A kind of cylindrical polymer lithium-ion battery preparation method Download PDFInfo
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- CN105355982B CN105355982B CN201510771045.3A CN201510771045A CN105355982B CN 105355982 B CN105355982 B CN 105355982B CN 201510771045 A CN201510771045 A CN 201510771045A CN 105355982 B CN105355982 B CN 105355982B
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- 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
-
- 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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
A kind of cylindrical polymer lithium-ion battery preparation method, comprises the following steps：(1) anode pole piece, cathode pole piece and barrier film are made；(2) anode pole piece, cathode pole piece and barrier film are wound using tape measure of the section for ellipse；(3) upper shell and lower house are gone out using decompressor, upper shell forms cylinder box of the section for ellipse after being combined with lower house；(4) core is put into the groove of lower house, covers upper shell；(5) edge sealing is carried out in upper shell and lower house edge using end socket, and reserves liquid injection port；(6) normal forming and capacity dividing, it is the cylindrical electrical core that section is ellipse to produce outward appearance；(7) protection board is fixedly mounted on side of the section for the cylindrical coil core of ellipse.The present invention winds cylindrical coil core of the section for ellipse using ellipse tape measure, and battery protecting plate puts side, and battery core makes the cylinder of section ellipse, more fully make use of space, make the battery to Large Copacity.
Description
Technical field
The present invention relates to polymer Li-ion battery, especially a kind of cylindrical polymer lithium-ion battery preparation method.
Background technology
Bluetooth, it is a kind of wireless technology standard, can be achieved short between fixed equipment, mobile device and building personal area network
Range data exchanges.Blue tooth productses have bluetooth earphone, Baffle Box of Bluetooth, bluetooth portable power source etc..Cylindrical battery changes existing
The outward appearance theory of battery, on the basis of ensureing battery electrical property, battery is made into circle, so as to realize in small portable bluetooth
Application on product.At present, traditional cylindrical battery mainly utilizes circular tape measure coiling and molding, due to small cylindrical electricity
The face area in pond is limited, so the protection board of the battery of this kind of cylindricality is generally located on the side of battery, so just increases
The thickness of cylindrical battery is added.According to the requirement of client, the size that the diameter of cylindrical battery product has to comply with client will
Ask, if customer requirement battery product section diameter, no more than C, the section diameter of cylindrical battery should try one's best close to C, so
Could both it meet the size requirements, and can lifts the capacity of battery.Traditional cylindrical battery is because side is additionally provided with protection board, institute
To consider the thickness of protection board when cylindrical battery is prepared so that the cylindrical battery that producer works it out adds protection board
The cell diameter required by client is still can adapt to afterwards.Protruded because protection board is formed in battery surface, caused part electric
The space in pond does not utilize sufficiently.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of cylindrical polymer lithium-ion battery preparation method, meet
It is bigger than the capacity of conventional cylindrical cells on the premise of the requirement of client's cylinder size.
In order to solve the above technical problems, the technical scheme is that：It is prepared by a kind of cylindrical polymer lithium-ion battery
Method, comprise the following steps：
(1) anode pole piece, cathode pole piece and barrier film are made；
(2) anode pole piece, cathode pole piece and barrier film are wound using tape measure of the section for ellipse, form ellipse
Lug is drawn at the core of cylinder, two of core；
(3) upper shell and lower house are gone out using decompressor, upper shell forms section as ellipse after being combined with lower house
The cylinder box of shape；
(4) core is put into the groove of lower house, covers upper shell；
(5) edge sealing is carried out in upper shell and lower house edge using end socket, and reserves liquid injection port；
(6) heat cold pressing before and after battery core chemical conversion, normal forming and capacity dividing, produces outward appearance as oval battery core；
(7) protection board is fixedly mounted on side of the section for the cylindrical coil core of ellipse.
The present invention makes the battery core produced using the cylindrical coil core that section is that oval tape measure winds that section is ellipse
Also the section for turning into rule is the cylinder of ellipse, and outward appearance is beautiful full；The R angles of section ellipse cylindrical electrical core are larger, can
To lift the scouring depth of aluminum plastic film, solve the problems, such as that Small Cylindrical battery scouring depth box body is fragile；Battery protecting plate puts side, and battery core is done
Ovalisation, space is more fully make use of, make the battery of more Large Copacity.
As an improvement, protection board is placed on into side of the section for the cylindrical electrical core of ellipse, and protection board is welded on electricity
On the lug at core two, the binding of blend compounds band.
As an improvement, on section cylindrical battery a diameter of C；The major axis of cylindrical battery core is E, short axle D；Protection board
Width be B, thickness A；C ＞ E, C ＞ (D+A).
As an improvement, the protection board is located at the side of oval battery core short axle on section, and protection board is on short axle pair
Claim.
The caused compared with prior art beneficial effect of the present invention is：
The present invention makes the battery core produced using the cylindrical coil core that section is that oval tape measure winds that section is ellipse
Also the section ellipse of rule is turned into, and outward appearance is beautiful full；Section is larger for the R angles of the cylindrical electrical core of ellipse, Ke Yiti
The scouring depth of aluminum plastic film is risen, solves the problems, such as that Small Cylindrical battery scouring depth box body is fragile；Battery protecting plate puts side, and battery core is made ellipse
Circle, space is more fully make use of, make the battery to Large Copacity.
Brief description of the drawings
Fig. 1 is battery cross sectional schematic diagram of the present invention.
Embodiment
With reference to Figure of description, the invention will be further described.
(1) it is prior art to make anode pole piece, cathode pole piece and barrier film, anode pole piece, cathode pole piece and barrier film, is not existed
Describe in detail；
(2) anode pole piece, cathode pole piece and barrier film are wound using tape measure of the section for ellipse, forming section is
The cylindrical coil core of ellipse；
(3) upper shell and lower house, shape after upper shell combines with lower house are gone out using the oval drift of decompressor
Cylinder box into section for ellipse；
(4) core is put into the groove of lower house, covers upper shell；
(5) edge sealing is carried out in upper shell and lower house edge using end socket, and reserves liquid injection port；
(6) heat cold pressing before and after battery core chemical conversion, normal forming and capacity dividing, it is the cylinder electricity that section is ellipse to produce outward appearance
Core；
(7) protection board is fixedly mounted on side of the section for the cylindrical coil core of ellipse, in the section protection
Plate is located at the side of oval battery core short axle, and protection board is symmetrical on short axle；
(8) protection board is placed on side of the section for the cylindrical electrical core of ellipse, and protection board is welded on battery core two
Lug on, blend compounds band binding.
The setting of relevant parameter：
As shown in figure 1, on section, the thickness of protection board 4 is A, 4 a width of B of protection board；Customer requirement cylindrical battery 3 is a diameter of
C；On the premise of a diameter of C of customer requirement cylinder, the section maximum gauge of traditional mode of production cylindrical electrical core 1 is D,
The oval long axis view E of battery core 2 of the present invention,
It can be found that sectional area oval on section is bigger than circular cross-section product more than, ellipse short shaft D, and E ＞
D, so ellipse area is about bigger by 10% than circular area, so your circular batteries capacity of the battery of ellipse is bigger.
Tape measure preparation method：
Tape measure of the section for ellipse is made, the circular winding pin section for producing the cylindrical a diameter of D in battery core section at present is straight
Footpath is F；The short axle of ellipse tape measure in section of the present invention is G, major axis H；Ellipse volume pin can makes short axle G=(F/2- (E-
D)/2) * 2, major axis H=(F/2+ (E-D)/2) * 2；
Oval tape measure cross section area ＜ circle tape measure cross section areas, that is, the battery volume produced is smaller, same
Capacity can increase again under volume, on section, (ellipse area-ellipse volume dial product)/(circular area-circular winding pin area)
Volume increase 10% or so, i.e. capacity can also accordingly increase.
Claims (1)
1. a kind of cylindrical polymer lithium-ion battery preparation method, it is characterised in that comprise the following steps：
（1）Make anode pole piece, cathode pole piece and barrier film；
（2）Anode pole piece, cathode pole piece and barrier film are wound using tape measure of the section for ellipse, form section ellipse
Lug is drawn at the core of cylinder, two of core；
（3）Upper shell and lower house are gone out using decompressor, upper shell forms section after being combined with lower house be oval
Cylinder box；
（4）Core is put into the groove of lower house, covers upper shell；
（5）Edge sealing is carried out in upper shell and lower house edge using end socket, and reserves liquid injection port；
（6）Heat cold pressing, normal forming and capacity dividing before and after battery core chemical conversion, produce outward appearance as oval battery core；
（7）Protection board is fixedly mounted on side of the section for the cylindrical coil core of ellipse；
Protection board is placed on side of the section for the cylindrical electrical core of ellipse, and protection board is welded on to the lug at battery core two
On, the binding of blend compounds band；
The a diameter of C in section of cylindrical battery；The major axis of cylindrical battery core is E, short axle D；The thickness of protection board is A；C ＞ E,
C ＞（D+A）；
The protection board is located at the side of oval battery core short axle on section, and protection board is symmetrical on short axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771045.3A CN105355982B (en) | 2015-11-11 | 2015-11-11 | A kind of cylindrical polymer lithium-ion battery preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771045.3A CN105355982B (en) | 2015-11-11 | 2015-11-11 | A kind of cylindrical polymer lithium-ion battery preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105355982A CN105355982A (en) | 2016-02-24 |
| CN105355982B true CN105355982B (en) | 2018-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510771045.3A Active CN105355982B (en) | 2015-11-11 | 2015-11-11 | A kind of cylindrical polymer lithium-ion battery preparation method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107403945B (en) * | 2016-05-18 | 2019-06-28 | 万向一二三股份公司 | A kind of soft package lithium ion power battery chemical conversion rolling method |
| WO2022126414A1 (en) * | 2020-12-16 | 2022-06-23 | 宁德新能源科技有限公司 | Battery and electronic device having the battery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826633A (en) * | 2010-05-07 | 2010-09-08 | 徐敖奎 | Elliptic dynamic lithium ion battery |
| CN201877525U (en) * | 2010-12-17 | 2011-06-22 | 珠海汉格能源科技有限公司 | Oval polymer lithium ion battery |
| CN201927676U (en) * | 2010-12-28 | 2011-08-10 | 广东国光电子有限公司 | Elliptic lithium ion battery |
| CN102437297A (en) * | 2011-12-06 | 2012-05-02 | 山东精工电子科技有限公司 | Standby power source for dolly shot |
| CN104953189A (en) * | 2015-06-26 | 2015-09-30 | 广东国光电子有限公司 | Die and method for manufacturing arc-shaped battery cell |
-
2015
- 2015-11-11 CN CN201510771045.3A patent/CN105355982B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826633A (en) * | 2010-05-07 | 2010-09-08 | 徐敖奎 | Elliptic dynamic lithium ion battery |
| CN201877525U (en) * | 2010-12-17 | 2011-06-22 | 珠海汉格能源科技有限公司 | Oval polymer lithium ion battery |
| CN201927676U (en) * | 2010-12-28 | 2011-08-10 | 广东国光电子有限公司 | Elliptic lithium ion battery |
| CN102437297A (en) * | 2011-12-06 | 2012-05-02 | 山东精工电子科技有限公司 | Standby power source for dolly shot |
| CN104953189A (en) * | 2015-06-26 | 2015-09-30 | 广东国光电子有限公司 | Die and method for manufacturing arc-shaped battery cell |
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| Publication number | Publication date |
|---|---|
| CN105355982A (en) | 2016-02-24 |
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