CN209200095U - A kind of takeup type low temperature flexible packing lithium ion battery - Google Patents
A kind of takeup type low temperature flexible packing lithium ion battery Download PDFInfo
- Publication number
- CN209200095U CN209200095U CN201920012263.2U CN201920012263U CN209200095U CN 209200095 U CN209200095 U CN 209200095U CN 201920012263 U CN201920012263 U CN 201920012263U CN 209200095 U CN209200095 U CN 209200095U
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- low temperature
- pole piece
- lithium ion
- tab
- core
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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
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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
- 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 utility model discloses a kind of takeup type low temperature flexible packing lithium ion batteries, including core, tab, pole piece, main body and diaphragm, the core two sides are provided with diaphragm, the diaphragm side is provided with pole piece, the pole piece two sides are provided with tab, the body side is provided with thermal conductive silicon fat pad, and thermal conductive silicon fat pad side is provided with heat-dissipating aluminium plate, and the pole piece outer surface is provided with conductive coating.Then same polarity tab is carried out parallel connection again by core doubling after the completion of winding by the Double-pole lug design that the utility model uses, to solve the problem of the high discharging efficiency improved under low temperature of single rolled cores internal resistance, be suitble to be widely popularized and used.
Description
Technical field
The utility model relates to battery technology field, in particular to a kind of takeup type low temperature flexible packing lithium ion battery.
Background technique
Discharging efficiency is relatively low under cryogenic for lithium ion battery, usually there is the case where cryogenic conditions shutdown, low at present
Warm type lithium ion battery is more to carry out single rolled cores parallel connection using the technique of lamination or inside battery core to reduce electricity to reach
Pond internal resistance improves discharging efficiency, and wherein lamination process is not suitable for coiled equipment, for using the manufacturer of winding process
For be not suitable for, to there is production cost in the technique of internal single rolled cores parallel connection excessively high again, complex process problem, for this purpose, it is proposed that
A kind of takeup type low temperature flexible packing lithium ion battery.
Utility model content
The main purpose of the utility model is to provide a kind of takeup type low temperature flexible packing lithium ion batteries, new by being arranged
The design of Double-pole lug end to end that uses of core, core doubling is in parallel after the completion of winding, this structure is easy to accomplish in production,
Almost do not have to change any existing equipment, by the way that Double-pole lug is arranged, internal resistance can be effectively reduced, improve the heat of lithium ion battery
Mechanics effect effectively improves cryogenic property, Ke Yiyou the case where using low form positive and negative pole material and low temperature electrolytic solution
Effect solves the problems in background technique.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of takeup type low temperature flexible packing lithium ion battery, including core, tab, pole piece, main body and diaphragm, the core
Two sides are provided with diaphragm, and the diaphragm side is provided with pole piece, and the pole piece two sides are provided with tab, the body side setting
There is thermal conductive silicon fat pad, thermal conductive silicon fat pad side is provided with heat-dissipating aluminium plate, and the pole piece outer surface is provided with conductive coating.
Further, the main body is that core coiling is completed and obtained after doubling.
Further, welding in parallel is carried out to same sex tab after the lug bending.
Further, the bottom part body is provided with battery shock pad and conductive coating and is made of conductive nano graphite material
Compared with prior art, the utility model has the following beneficial effects:
1. it is designed by the way that the Double-pole lug end to end that new core uses is arranged, it is after the completion of winding that core doubling is in parallel, it is this
Structure is easy to accomplish in production, does not almost have to change any existing equipment.
2. can effectively reduce internal resistance by setting Double-pole lug, improve the thermomechanical effect of lithium ion battery, use
The case where low form positive and negative pole material and low temperature electrolytic solution, effectively improve cryogenic property.
3. by setting thermal conductive silicon fat pad, the heat generated when can quickly run main body is transmitted on heat-dissipating aluminium plate,
And be diffused into air, accelerate the heat dissipation to main body, by the way that battery shock pad is arranged, shock-absorbing protecting work can be provided based on
With, it avoids causing to damage by more vibrations, by setting conductive coating, the contact resistance of pole piece can be greatly lowered,
And the bonding adhesive force of pole piece can be improved, the performance of battery is improved,
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of takeup type low temperature flexible packing lithium ion battery of the utility model.
Fig. 2 is a kind of core schematic diagram of takeup type low temperature flexible packing lithium ion battery of the utility model.
Fig. 3 is a kind of core coiling schematic diagram of takeup type low temperature flexible packing lithium ion battery of the utility model.
Fig. 4 is a kind of conductive coating schematic diagram of takeup type low temperature flexible packing lithium ion battery of the utility model.
In figure: 1, core；2, tab；3, pole piece；4, diaphragm；5, main body；6, thermal conductive silicon fat pad；7, heat-dissipating aluminium plate；8, it leads
Electrocoat；9, battery shock pad.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figs 1-4, a kind of takeup type low temperature flexible packing lithium ion battery, including core 1, tab 2, pole piece 3, main body
5 and diaphragm 4,1 two sides of core are provided with diaphragm 4, and 4 side of diaphragm is provided with pole piece 3,3 two sides of the pole piece setting
There is tab 2,5 side of main body is provided with thermal conductive silicon fat pad 6, and 6 side of thermal conductive silicon fat pad is provided with heat-dissipating aluminium plate 7, institute
It states 3 outer surface of pole piece and is provided with conductive coating 8.
Wherein, the main body 5 is that 1 coiling of core is completed and obtained after doubling.
Wherein, the tab 2 carries out welding in parallel to same sex tab 2 after bending.
In the present embodiment as shown in Figure 1, after designing using Double-pole lug 2, internal resistance can be effectively reduced, improves lithium ion
The thermomechanical effect of battery.
Wherein, 5 bottom of main body is provided with battery shock pad 9 and conductive coating 8 is made of conductive nano graphite material.
In the present embodiment as shown in Figure 1, battery shock pad 9 can based on 5 provide shock-absorbing protectings effect, avoid by
It shakes more and causes to damage.
It should be noted that the utility model is a kind of takeup type low temperature flexible packing lithium ion battery, and when work, new volume
The Double-pole lug end to end 2 that core 1 uses designs, and after the completion of winding that 1 doubling of core is in parallel, this structure is easy to accomplish in production,
Almost do not have to change any existing equipment, after designing using Double-pole lug 2, internal resistance can be effectively reduced, improve lithium-ion electric
The thermomechanical effect in pond effectively improves cryogenic property the case where using low form positive and negative pole material and low temperature electrolytic solution,
The heat that thermal conductive silicon fat pad 6 generates when can quickly run main body 5 is transmitted on heat-dissipating aluminium plate 7, and is diffused into air, is added
Fastly to the heat dissipation of main body 5, battery shock pad 9 (production of Dongguan City Xin Yue Electronic Science and Technology Co., Ltd.) based on 5 can provide and subtract
Protective effect is shaken, avoids causing to damage by more vibrations, the contact resistance of pole piece 3 can be greatly lowered in conductive coating 8,
And the bonding adhesive force of pole piece 3 can be improved, improve the performance of battery.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (4)
1. a kind of takeup type low temperature flexible packing lithium ion battery, including core (1), tab (2), pole piece (3), main body (5) and every
Film (4), it is characterised in that: core (1) two sides are provided with diaphragm (4), and diaphragm (4) side is provided with pole piece (3), institute
It states pole piece (3) two sides to be provided with tab (2), main body (5) side is provided with thermal conductive silicon fat pad (6), the thermal conductive silicon fat pad
(6) side is provided with heat-dissipating aluminium plate (7), and pole piece (3) outer surface is provided with conductive coating (8).
2. a kind of takeup type low temperature flexible packing lithium ion battery according to claim 1, it is characterised in that: the main body
(5) it completes for core (1) coiling and passes through doubling.
3. a kind of takeup type low temperature flexible packing lithium ion battery according to claim 1, it is characterised in that: the tab
(2) welding in parallel is carried out to same sex tab (2) after bending.
4. a kind of takeup type low temperature flexible packing lithium ion battery according to claim 1, it is characterised in that: the main body
(5) bottom is provided with battery shock pad (9) and conductive coating (8) is made of conductive nano graphite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920012263.2U CN209200095U (en) | 2019-01-04 | 2019-01-04 | A kind of takeup type low temperature flexible packing lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920012263.2U CN209200095U (en) | 2019-01-04 | 2019-01-04 | A kind of takeup type low temperature flexible packing lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209200095U true CN209200095U (en) | 2019-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920012263.2U Active CN209200095U (en) | 2019-01-04 | 2019-01-04 | A kind of takeup type low temperature flexible packing lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209200095U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116565467A (en) * | 2023-07-10 | 2023-08-08 | 宁德新能源科技有限公司 | Electrochemical device and electric equipment |
-
2019
- 2019-01-04 CN CN201920012263.2U patent/CN209200095U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116565467A (en) * | 2023-07-10 | 2023-08-08 | 宁德新能源科技有限公司 | Electrochemical device and electric equipment |
| CN116565467B (en) * | 2023-07-10 | 2023-09-19 | 宁德新能源科技有限公司 | Electrochemical device and electric equipment |
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