CN209016172U - A kind of lithium ion battery and battery pack - Google Patents
A kind of lithium ion battery and battery pack Download PDFInfo
- Publication number
- CN209016172U CN209016172U CN201821771466.1U CN201821771466U CN209016172U CN 209016172 U CN209016172 U CN 209016172U CN 201821771466 U CN201821771466 U CN 201821771466U CN 209016172 U CN209016172 U CN 209016172U
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- Prior art keywords
- core
- foil layer
- battery
- lithium ion
- ion battery
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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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Abstract
The utility model provides a kind of lithium ion battery and battery pack, core in parallel is formed including battery case and by multiple tabs and deflector, it include the inconsistent cavity of at least two shapes in the battery case, the shape of the parallel connection core and the shape of the cavity are adapted, and the core in parallel is located in the cavity.The lithium ion battery makes multiple core form core in parallel by multiple tabs and deflector, and the shape of the core in parallel and the shape of the cavity are adapted, to simplify the manufacturing process of battery and make full use of the space of battery.
Description
Technical field
The utility model belongs to lithium ion battery structure technical field more particularly to a kind of lithium ion battery and battery pack.
Background technique
Special-shaped battery in the market, the technique that Special-shaped battery is generally all realized by lamination, the technique require pole piece, every
Film paper etc. all carries out the punching of uniform shapes, and then core is gathered into folds by lamination, and which complex process wants equipment
It asks high and efficiency is lower.
Utility model content
The utility model embodiment provides a kind of lithium ion battery, it is intended to solve the structure process of the lithium ion battery of abnormity
Complexity, the requirement to equipment is high and efficiency is lower.
The utility model embodiment is achieved in that a kind of lithium ion battery, including battery case and passes through multiple poles
Ear and deflector form core in parallel, include the inconsistent cavity of at least two shapes in the battery case, the volume in parallel
The shape of core and the shape of the cavity are adapted, and the core in parallel is located in the cavity.
Further, the core in parallel includes the first core and the second core, multiple tabs include first pair pole ear and
Second pair of tab, first pair pole ear are connected between the first core and the second core and weld with the deflector, second pair of pole
Ear is connected to total tab of battery with second core and the deflector respectively.
Further, first core and the second core can be made up of winding method or lamination process.
Further, the bottom of first core and the second core is located in same level, first core
Top is lower than the top of the second core.
Further, the first core and the second core include positive plate, negative electrode tab and setting in positive plate and negative electrode tab
Between diaphragm.
Further, the deflector includes plastic layer, aluminium foil layer and copper foil layer, and aluminium foil layer and copper foil layer are arranged at modeling
Setting is spaced on the bed of material and between aluminium foil layer and copper foil layer.
Further, the aluminium foil layer and copper foil layer may each be one or more layers.
Further, the explosion-proof valve is positioned close to the position of the Battery case bottom.
Further, the thickness of the aluminium foil layer and copper foil layer is 10-50um.
Further, first pair pole ear and second pair of tab include positive pole ear and negative lug, second pair of tab
Positive pole ear and aluminium foil layer weld, and the negative lug and copper foil layer of second pair of tab are welded.
The embodiments of the present invention additionally provide a kind of battery pack, and the battery pack includes above-mentioned lithium ion battery.
The lithium ion battery of the utility model makes multiple core form core in parallel by multiple tabs and deflector,
And the shape of the core in parallel and the shape of the cavity are adapted, to simplify the manufacturing process of battery and make full use of
The space of battery.
Detailed description of the invention
Fig. 1 is a kind of perspective structure schematic diagram of the lithium ion battery of embodiment of the utility model.
Fig. 2 is a kind of right view perspective structure schematic diagram of lithium ion battery of embodiment of the utility model.
Fig. 3 is a kind of structural schematic diagram of the second core of embodiment of the utility model.
Fig. 4 is a kind of structural schematic diagram of the deflector of embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model provides a kind of lithium ion battery of embodiment, including battery case and passes through multiple tabs and water conservancy diversion
Plate forms core in parallel, includes the inconsistent cavity of at least two shapes in the battery case, the shape of the parallel connection core
It is adapted with the shape of the cavity, and the core in parallel is located in the cavity.
As depicted in figs. 1 and 2, a kind of structural schematic diagram of the lithium ion battery of embodiment of the utility model, the lithium from
Sub- battery includes battery case and forms core 2 in parallel by multiple tabs and deflector, includes at least in the battery case
The inconsistent cavity of two shapes, the shape of the parallel connection core and the shape of the cavity are adapted, and the core 2 in parallel
In the cavity.
Lithium ion battery in the utility model embodiment forms multiple core simultaneously by multiple tabs and deflector
Join core, and the shape of the core in parallel and the shape of the cavity are adapted, thus simplify the manufacturing process of battery and
Make full use of the space of battery
The lithium ion battery can power to external device (ED), such as carry out to electric tool, electric car, luminaire
Power supply.
In specific implementation, the core 2 in parallel is obtained by way of multiple core parallel connections, such as shoulder to shoulder
Mode, non-stacked system, the interior shape of Lai Shixian Special-shaped battery.
In an embodiment of the utility model, the parallel connection core 2 includes the first core 21 and the second core 22, multiple
Tab includes first pair pole ear 3 and second pair of tab 4, and first pair pole ear 3 is connected between the first core 21 and the second core 22
And welded with the deflector, second pair of tab 4 is connected to battery with second core 22 and the deflector respectively
Total tab.Specifically, first core 21 and the second core 22 can be made up of winding method or lamination process.Described
The bottom of one core 21 and the second core 22 is located in same level, and the top of first core 21 is lower than the second core 22
Top.Preferably, the first core 21 can be square, and the second core 22 can be cuboid, since battery case 1 is non-
The shape of rule completely, so that the shape of core needs to be adapted variation.Specifically, first core 21 and the second core 22
It can be obtained by winding or be obtained by lamination.
In conjunction with shown in Fig. 3 and Fig. 4, the deflector 5 includes plastic layer 51, aluminium foil layer 52 and copper foil layer 53, aluminium foil layer 52
And copper foil layer 53 is arranged on plastic layer 51 and is spaced setting between aluminium foil layer 52 and copper foil layer 53.Specifically, the aluminium foil
Layer 52 and copper foil layer 53 may each be one or more layers.The thickness of the aluminium foil layer 52 and copper foil layer 53 is 10-50um.
In specific implementation, first pair pole ear 3 and second pair of tab 4 include positive pole ear and negative lug, and second pair
The positive pole ear 41 and aluminium foil layer 52 of tab weld, and the negative lug 42 and copper foil layer 53 of second pair of tab are welded.
Specifically, first pair pole ear 3 and second pair of tab 4 are body formed both from afflux.
In an embodiment of the utility model, the first core 21 is welded on the deflector by first pair pole ear,
Welding in parallel is carried out with the second core 22 again.Then core 2 in parallel in the right way, such as put up, glue connection etc. by gummed paper,
It fixes good position and protects battery core from movement or damage, be then placed in the shell of made row shape, then complete
The welding of the total tab of battery and cover board pole is to realize the assembly of anisotropic battery.The lithium ion battery of the utility model, due to
Already existing battery manufacturing process can be used, therefore during manufacturing anisotropic battery, can simplify manufacturing process.
In addition, the shape of the parallel connection core and the shape of the cavity are adapted and allow the space of anisotropic battery fully sharp
With improving the yield of battery and reduce cost.
The embodiments of the present invention additionally provide a kind of battery pack, and the battery pack includes above-mentioned lithium ion battery.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of lithium ion battery, it is characterised in that: form volume in parallel including battery case and by multiple tabs and deflector
Core includes the inconsistent cavity of at least two shapes in the battery case, the shape of the parallel connection core and the cavity
Shape is adapted, and the core in parallel is located in the cavity.
2. lithium ion battery as described in claim 1, it is characterised in that: the parallel connection core includes the first core and volume Two
Core, multiple tabs include first pair pole ear and second pair of tab, and first pair pole ear is connected between the first core and the second core
And welded with the deflector, second pair of tab is connected to total pole of battery with second core and the deflector respectively
Ear.
3. lithium ion battery as claimed in claim 2, it is characterised in that: first core and the second core can pass through volume
It is made around mode or lamination process.
4. lithium ion battery as claimed in claim 2, it is characterised in that: the bottom of first core and the second core is located at
In same level, the top of first core is lower than the top of the second core.
5. lithium ion battery as claimed in claim 2, it is characterised in that: the deflector includes plastic layer, aluminium foil layer and copper
Layers of foil, aluminium foil layer and copper foil layer are arranged on plastic layer and are spaced setting between aluminium foil layer and copper foil layer.
6. lithium ion battery as claimed in claim 5, it is characterised in that: the aluminium foil layer and copper foil layer may each be one layer or
Multilayer.
7. lithium ion battery as claimed in claim 5, it is characterised in that: the thickness of the aluminium foil layer and copper foil layer is 10-
50um。
8. lithium ion battery as claimed in claim 5, it is characterised in that: first pair pole ear and second pair of tab include anode
Tab and negative lug, the positive pole ear and aluminium foil layer of second pair of tab weld, the negative lug and copper foil layer of second pair of tab
Welding.
9. a kind of battery pack, it is characterised in that: the battery pack includes lithium-ion electric described in claim 1-8 any one
Pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821771466.1U CN209016172U (en) | 2018-10-30 | 2018-10-30 | A kind of lithium ion battery and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821771466.1U CN209016172U (en) | 2018-10-30 | 2018-10-30 | A kind of lithium ion battery and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209016172U true CN209016172U (en) | 2019-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821771466.1U Active CN209016172U (en) | 2018-10-30 | 2018-10-30 | A kind of lithium ion battery and battery pack |
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| CN (1) | CN209016172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301144A (en) * | 2018-10-30 | 2019-02-01 | 邦泰宏图（深圳）科技有限责任公司 | A kind of lithium ion battery and battery pack |
-
2018
- 2018-10-30 CN CN201821771466.1U patent/CN209016172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301144A (en) * | 2018-10-30 | 2019-02-01 | 邦泰宏图（深圳）科技有限责任公司 | A kind of lithium ion battery and battery pack |
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