CN209981393U - Practice thrift polymer lithium ion battery of installation space - Google Patents
Practice thrift polymer lithium ion battery of installation space Download PDFInfo
- Publication number
- CN209981393U CN209981393U CN201920805602.2U CN201920805602U CN209981393U CN 209981393 U CN209981393 U CN 209981393U CN 201920805602 U CN201920805602 U CN 201920805602U CN 209981393 U CN209981393 U CN 209981393U
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- China
- Prior art keywords
- plastic film
- negative electrode
- pcb
- aluminum
- belt
- 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.)
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 22
- 229920000642 polymer Polymers 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 title claims abstract description 15
- 239000002985 plastic film Substances 0.000 claims abstract description 29
- 229920006255 plastic film Polymers 0.000 claims abstract description 29
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002390 adhesive tape Substances 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- KTXUOWUHFLBZPW-UHFFFAOYSA-N 1-chloro-3-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C=C(Cl)C=CC=2)=C1 KTXUOWUHFLBZPW-UHFFFAOYSA-N 0.000 description 7
- 238000004806 packaging method and process Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical group 0.000 description 1
Images
Classifications
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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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- Secondary Cells (AREA)
Abstract
The utility model discloses a polymer lithium ion battery saving installation space, which comprises an electric core and a PCB board, wherein the electric core is coated in an aluminum plastic film, the electric core comprises an anode belt and a cathode belt, the anode belt and the cathode belt are separated by a diaphragm, the diaphragm is overlapped with the anode belt and the cathode belt to be wound into a spiral coil, one end of an anode lug is coated in the aluminum plastic film and is connected with the anode belt; the other end of the positive lug is exposed out of the aluminum-plastic film and is connected with a positive contact at the position of the PCB; one end of the negative electrode lug is coated in the aluminum plastic film and connected with the negative electrode belt, and the other end of the negative electrode lug is exposed out of the aluminum plastic film and connected with a negative electrode contact at the position of the PCB; the PCB is arranged outside the aluminum plastic film, the aluminum plastic film is provided with a first bent seal, the PCB and the first bent seal are overlapped, a layer of U-shaped gummed paper is attached to the PCB, and a circle of fixing gummed paper ring is wound at two ends of the U-shaped gummed paper. The utility model discloses greatly saved the installation space of battery, also can not cause the reduction of battery capacity when effectively reducing the battery volume.
Description
Technical Field
The utility model relates to a polymer lithium ion battery technical field, in particular to practice thrift polymer lithium ion battery of installation space.
Background
The lithium ion battery belongs to a secondary rechargeable battery and has the outstanding advantages of high working voltage, high energy density, wide range of service temperature, long cycle life, small self-discharge, environmental protection and the like. The battery is widely applied to various mobile digital products, electric tools, electric toys, notebook computers, electric vehicles and the like, and has a large market share in the secondary battery market. Referring to fig. 3 and 4, a conventional packaging method is to wrap an electric core with a film cavity after an aluminum-plastic film is formed, and reserve a top packaging groove (note: equivalent to a first bent seal of the present invention) and two side edge seals (note: equivalent to a second bent seal of the present invention); the top packaging groove and the side sealing edge are necessary stations for packaging the battery, the PCB is placed in the top packaging groove, and the PCB is fixed in the top packaging groove in a mode of being surrounded by adhesive paper, however, the structure occupies a part of the volume of the battery. With the development of technology, electronic products are in a miniaturization trend, and batteries inside the electronic products also need to be made smaller; however, the functions thereof are becoming more and more diversified, and the demand for the capacity of the battery is also increasing. How to reduce the volume of the battery and avoid reducing the capacity of the battery at the same time becomes a technical problem restricting the miniaturization development of electronic products.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a practice thrift installation space's polymer lithium ion battery.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a polymer lithium ion battery capable of saving installation space comprises a battery cell and a PCB board, wherein the battery cell is coated in an aluminum plastic film, the battery cell comprises a positive electrode belt and a negative electrode belt, the positive electrode belt and the negative electrode belt are separated by a diaphragm, the positive electrode belt and the negative electrode belt are overlapped and wound into a spiral coil,
one end of the positive lug is coated in the aluminum-plastic film and is connected with the positive belt; the other end of the positive lug is exposed out of the aluminum-plastic film and is connected with a positive contact at the PCB; one end of the negative electrode lug is coated in the aluminum plastic film and is connected with the negative electrode belt, and the other end of the negative electrode lug is exposed out of the aluminum plastic film and is connected with a negative electrode contact at the position of the PCB;
the PCB board peripheral hardware in the plastic-aluminum membrane, the plastic-aluminum membrane is equipped with first bending and seals, the PCB board with the first bending seals the coincide, the PCB board is attached to have one deck U type adhesive tape, and the both ends of U type adhesive tape are rolling up round fixed adhesive tape and are encircling.
Further elaborating, the two sides of the aluminum-plastic film are provided with second bent seals, the bending direction of the second bent seals is opposite to the bending direction of the first bent seals, and the second bent seals are staggered with the first bent seals.
Further elaborating, the PCB comprises an anode external connecting line and a cathode external connecting line, and the anode external connecting line and the cathode external connecting line penetrate through a gap between the fixed gummed paper ring and the U-shaped gummed paper.
The beneficial effects of the utility model reside in that: the utility model discloses reduce the battery volume effectively, greatly saved the installation space of battery, also can not cause the reduction of battery capacity when effectively reducing the battery volume.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the present invention (note: the fixed gummed paper ring and the U-shaped gummed paper have been hidden).
Fig. 3 is a schematic structural diagram of a conventional polymer lithium ion battery.
Fig. 4 is a schematic structural diagram of a conventional polymer lithium ion battery (note: the fixing adhesive ring is hidden).
Fig. 5 is a schematic diagram of the present invention comparing with the existing polymer lithium ion battery.
Reference numerals:
10. the polymer lithium ion battery in the installation space is saved; 11. a PCB board; 12. a positive tab; 13. a negative tab; 14. an aluminum-plastic film; 141. a first bending seal; 142. second bending and sealing; 15/15A, fixing a gummed paper ring; 16. u-shaped gummed paper; 20. existing polymer lithium ion batteries; 21. a top packaging slot; H. and (4) height difference.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a polymer lithium ion battery with reduced installation space comprises a battery cell (not shown), a PCB 11, the battery cell is covered in an aluminum plastic film 14, the battery cell comprises a positive electrode tape and a negative electrode tape, the positive electrode tape and the negative electrode tape are separated by a separator, the separator is overlapped with the positive electrode tape and the negative electrode tape and wound into a spiral coil,
one end of the positive lug 12 is coated in the aluminum plastic film 14 and is connected with the positive strip; the other end of the positive lug 12 is exposed out of the aluminum-plastic film 14 and is connected with a positive contact at the PCB 11; one end of the negative electrode tab 13 is coated in the aluminum-plastic film 14 and connected with the negative electrode strip, and the other end of the negative electrode tab 13 is exposed out of the aluminum-plastic film 14 and connected with the negative electrode contact at the PCB 11;
the PCB 11 is externally arranged on the aluminum plastic film 14, the aluminum plastic film 14 is provided with a first bent sealing 141, the PCB 11 and the first bent sealing 141 are overlapped, a layer of U-shaped adhesive paper 16 is attached to the PCB 11, and a circle of fixing adhesive paper ring 15 is wound at two ends of the U-shaped adhesive paper 16. The fixed gummed paper ring 15 is a layer of gummed paper wound into a ring shape, and the U-shaped gummed paper 16 is a layer of gummed paper bent into a U shape.
The two sides of the aluminum-plastic film 14 are provided with second bent seals 142, the bending direction of the second bent seals 142 is opposite to the bending direction of the first bent seals 141, and the second bent seals 142 are staggered with the first bent seals 141. The PCB 11 comprises an anode external connecting line and a cathode external connecting line, and the anode external connecting line and the cathode external connecting line penetrate through a gap between the fixed adhesive tape ring 15 and the U-shaped adhesive tape 16.
Combine fig. 1 and fig. 3 to show, current polymer lithium ion battery 20 places PCB board 11 in this top encapsulation groove 21 to adopt the mode that the adhesive tape encircleed to fix PCB board 11 in this top encapsulation groove 21, with the utility model discloses compare, current polymer lithium ion battery only needs round fixed adhesive tape ring 15A can be fixed with PCB board 11, and the utility model discloses need adopt round fixed adhesive tape ring 15 and one deck U type adhesive tape 16 just to realize PCB board 11's fixed simultaneously. However, as shown in fig. 5, there is an obvious height difference H between the existing polymer lithium ion battery 20 and the present invention (i.e. the polymer lithium ion battery 10 that saves the installation space), and the present invention reduces the volume by about 14% compared with the existing polymer lithium ion battery 20, greatly reduces the installation space of the battery, and can not cause the reduction of the battery capacity while effectively reducing the battery volume.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (3)
1. A polymer lithium ion battery capable of saving installation space is characterized in that: comprises an electric core and a PCB board, wherein the electric core is coated in an aluminum plastic film, the electric core comprises a positive electrode belt and a negative electrode belt, the positive electrode belt and the negative electrode belt are separated by a diaphragm, the diaphragm is overlapped and wound into a spiral coil with the positive electrode belt and the negative electrode belt,
one end of the positive lug is coated in the aluminum-plastic film and is connected with the positive belt; the other end of the positive lug is exposed out of the aluminum-plastic film and is connected with a positive contact at the PCB; one end of the negative electrode lug is coated in the aluminum plastic film and is connected with the negative electrode belt, and the other end of the negative electrode lug is exposed out of the aluminum plastic film and is connected with a negative electrode contact at the position of the PCB;
the PCB board peripheral hardware in the plastic-aluminum membrane, the plastic-aluminum membrane is equipped with first bending and seals, the PCB board with the first bending seals the coincide, the PCB board is attached to have one deck U type adhesive tape, and the both ends of U type adhesive tape are rolling up round fixed adhesive tape and are encircling.
2. The polymer lithium ion battery for saving installation space of claim 1, wherein: and second bent seals are arranged on two sides of the aluminum-plastic film, the bending direction of the second bent seals is opposite to that of the first bent seals, and the second bent seals are staggered with the first bent seals.
3. The polymer lithium ion battery for saving installation space of claim 1, wherein: the PCB comprises an anode external connecting line and a cathode external connecting line, wherein the anode external connecting line and the cathode external connecting line penetrate through a gap between the fixed gummed paper ring and the U-shaped gummed paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920805602.2U CN209981393U (en) | 2019-05-31 | 2019-05-31 | Practice thrift polymer lithium ion battery of installation space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920805602.2U CN209981393U (en) | 2019-05-31 | 2019-05-31 | Practice thrift polymer lithium ion battery of installation space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209981393U true CN209981393U (en) | 2020-01-21 |
Family
ID=69264858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920805602.2U Active CN209981393U (en) | 2019-05-31 | 2019-05-31 | Practice thrift polymer lithium ion battery of installation space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209981393U (en) |
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2019
- 2019-05-31 CN CN201920805602.2U patent/CN209981393U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.13, shajiaotou second lane, Shangyuan, Chashan Town, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong biwo new energy Co.,Ltd. Address before: No.13, shajiaotou second lane, Shangyuan, Chashan Town, Dongguan City, Guangdong Province, 523000 Patentee before: Dongguan Biwa New Energy Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: No.13, shajiaotou second lane, Shangyuan, Chashan Town, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Biwo New Energy Co.,Ltd. Country or region after: China Address before: No.13, shajiaotou second lane, Shangyuan, Chashan Town, Dongguan City, Guangdong Province, 523000 Patentee before: Guangdong biwo new energy Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |