CN208127294U - A kind of battery - Google Patents
A kind of battery Download PDFInfo
- Publication number
- CN208127294U CN208127294U CN201820287148.1U CN201820287148U CN208127294U CN 208127294 U CN208127294 U CN 208127294U CN 201820287148 U CN201820287148 U CN 201820287148U CN 208127294 U CN208127294 U CN 208127294U
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- China
- Prior art keywords
- tab
- lamination
- battery core
- negative
- 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
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- Connection Of Batteries Or Terminals (AREA)
Abstract
This application provides a kind of batteries, including：First tab of first battery core is electrically connected with the second tab of second battery core；Second tab of first battery core is oppositely arranged with first tab of second battery core or the second tab；First tab of second battery core is identical with the setting direction of second tab.
Description
Technical field
This application involves energy technology fields, in particular to a kind of battery.
Background technique
Lithium ion battery has been widely used for the every field such as mobile phone, laptop at present.The continuous development in market,
Other than requiring the lithium ion battery of various properties, the requirement for basic performances such as size, the capacity of battery is also got over
Come higher.And the various performances of lithium ion battery, mainly by its most crucial component --- pole piece determines.Current pole piece
Production method is generally divided into winding and lamination two major classes.Coiled pole piece, manufacture craft is relatively easy, can adapt to one
As discharge performance lithium ion battery needs.
Existing Lithium-Ion Battery Core, when making positive plate and negative electrode tab, just respectively by anode ear and cathode
Then on pole piece pole piece is made again in positive and negative plate and diaphragm paper by ear spot welding by way of winding.Due to needing
Winding before just tab point is welded on pole piece, so positive and negative plate welding electrode ear position and spot welding periphery it is some
Cannot all there be the presence of anode and cathode active materials at position, otherwise not get on regard to spot welding.In this way, the internal resistance of battery is caused to be compared
Greatly, the safety coefficient of battery is relatively low.
Summary of the invention
In view of this, the application's is designed to provide a kind of battery, two are directly welded in the prior art for solving
Internal resistance caused by the positive and negative anodes of battery core increases problem.
In a first aspect, the embodiment of the present application provides a kind of battery, including：First battery core and it is set to first battery core
The second battery core；
Second tab of second battery core is oppositely arranged with first tab of first battery core or the second tab；
First tab of second battery core is electrically connected with the second tab of first battery core.
Optionally, first battery core includes at least one first positive lamination and at least one first negative lamination, Mei Gesuo
The first positive lamination is stated to be arranged in a one-to-one correspondence with each first negative lamination, the first positive lamination and the first negative lamination it
Between be provided with diaphragm, the second tab of the first tab of the first positive lamination and the first negative lamination is disposed adjacent.
Optionally, second battery core includes at least one second positive lamination and at least one second negative lamination, Mei Gesuo
The second positive lamination is stated to be arranged in a one-to-one correspondence with each second negative lamination, the second positive lamination and the second negative lamination it
Between be provided with diaphragm, the first tab of the described first positive lamination of the second tab and first battery core of the second negative lamination
Electrical connection, the first tab and the first tab of first battery core or the second tab of the second positive lamination are oppositely arranged.
Optionally, the second tab of the described second negative lamination passes through the described first positive lamination of metal and first battery core
The first tab electrical connection.
Optionally, first tab is anode ear, and second tab is negative electrode lug, alternatively,
First tab is negative electrode lug, and second tab is negative electrode lug.
Optionally, the material of first tab is metal, and the material of second tab is metal.
Optionally, the material of first tab and second tab is aluminium or copper.
Optionally, the described first positive lamination is provided with ferric phosphate lithium layer, and the first negative lamination is provided with carbon-coating.
Optionally, the described second positive lamination is provided with ferric phosphate lithium layer, and the second negative lamination is provided with carbon-coating.
Optionally, further include：Coating, first battery core and second battery core are located inside the coating.
Battery provided by the embodiments of the present application, the first battery core and the second battery core for being set to first battery core；Described
Second tab of two battery cores is oppositely arranged with first tab of first battery core or the second tab；Second battery core
First tab is electrically connected with the second tab of first battery core.In this way, avoiding directly welding two electricity when two battery cores of series connection
The positive and negative anodes of core, caused internal resistance increase problem, improve the safety coefficient of battery, also, avoid and lead during transportation
The phenomenon of rupture of two battery cores caused.
To enable the above objects, features, and advantages of the application to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Figure 1A is a kind of front view of battery provided by the embodiments of the present application；
Figure 1B is a kind of right view of battery provided by the embodiments of the present application；
Fig. 1 C is a kind of left view of battery provided by the embodiments of the present application；
Fig. 2 is a kind of structural schematic diagram of first battery core provided by the embodiments of the present application；
Fig. 3 is a kind of structural schematic diagram of second battery core provided by the embodiments of the present application；
Fig. 4 is a kind of flow diagram of the preparation method of battery provided by the embodiments of the present application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
Middle attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
It is some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is real
The component for applying example can be arranged and be designed with a variety of different configurations.Therefore, below to the application's provided in the accompanying drawings
The detailed description of embodiment is not intended to limit claimed scope of the present application, but is merely representative of the selected reality of the application
Apply example.Based on embodiments herein, those skilled in the art institute obtained without making creative work
There are other embodiments, shall fall in the protection scope of this application.
The embodiment of the present application provides a kind of battery, and as shown in figs. 1 a-c, which includes：It first battery core 11 and is set to
Second battery core 12 of first battery core 11.
First tab 122 of second battery core 12 is electrically connected with the second tab 114 of first battery core 11；
First tab 112 or second pole of second tab 124 of second battery core 12 with first battery core 11
Ear 114 is oppositely arranged.
Here, the first tab can be anode ear or negative electrode lug, and the second tab is also possible to anode ear or negative electrode lug.Generally
Ground, if the first tab is anode ear, the second tab is negative electrode lug, if the first tab is negative electrode lug, the second tab is anode
Ear.Wherein, anode ear can be positive dead-soft tab, and negative electrode lug can be the soft tab of cathode.
The material of first tab and the second tab is generally metal material, it is preferable that and the material of the first tab is aluminium, the
The material of two tabs is copper, and the application not limits this.
In specific implementation, the first battery core can be generally arranged in the first tab 112 and the second tab 114 of the first battery core 11
11 side, and the first tab 112 and the second tab 114 are disposed adjacent, the first tab 112 and the setting of the second tab 124 interval
Distance threshold, the distance threshold can be arranged according to the actual situation, and the application not limits this.
Second tab 124 of the second battery core 12 is generally oppositely arranged with the first tab 112 of the first battery core 11, that is, second
The setting direction of second tab 124 of battery core 12 and the setting direction of the first tab 112 of the first battery core 11 are opposite.
The dead-soft tab for example, the first tab is negative, the second tab are positive dead-soft tab, the positive dead-soft tab of the first battery core and
To the right, the upper of the positive dead-soft tab of the first battery core is arranged in the soft tab of the cathode of the second battery core to the setting direction of the soft tab of cathode
Side, the setting direction of the soft tab of cathode of the setting direction and the first battery core of the positive dead-soft tab of the second battery core is on the contrary, and second
The positive dead-soft tab of battery core is oppositely arranged with the soft tab of cathode of the first battery core.
With reference to Fig. 2, the first battery core 11 includes at least one the first positive lamination 116 and at least one first negative lamination 118, often
A first positive lamination 116 is arranged in a one-to-one correspondence with each first negative lamination 118, the first positive lamination 116 and institute
It states and is provided with diaphragm 13 between the first negative lamination 118, the first tab 1161 of the first positive lamination 116 and described first negative folded
Second tab 1181 of piece 118 is disposed adjacent.
In specific implementation, n the first positive laminations and n the first negative laminations are provided, a first positive lamination is taken, the
At least one layer of diaphragm is set on one positive lamination, the first negative lamination is set in above-mentioned at least one layer of diaphragm of setting, is being arranged
When the first negative lamination, the negative electrode lug of the first negative lamination and the setting direction of anode ear of the first positive lamination are identical and adjacent, then,
At least one layer of diaphragm is set in the top of the first negative lamination, is arranged one first in the top of above-mentioned at least one layer of diaphragm and is just folding
Piece, the direction of the anode ear of the first positive lamination and the direction of anode ear of the positive lamination of starting first of setting are identical, and n-1 is arranged
The mode of a first negative lamination and n-2 the first positive laminations is identical as aforesaid way, is not being illustrated excessively herein.Wherein,
The number of plies for the diaphragm being arranged between each first positive lamination and each first negative lamination is identical, generally layer 2-3.
After setting up the last one first negative lamination, laminated diaphragm is set above the last one first negative lamination,
Such as, 4-5 layers of diaphragm.
With reference to Fig. 3, the second battery core 12 includes at least one the second positive lamination 126 and at least one second negative lamination 128, often
A second positive lamination 126 is arranged in a one-to-one correspondence with each second negative lamination 128, the second positive lamination 126 and institute
It states and is provided with diaphragm 13 between the second negative lamination 128, the second tab 1281 of the second negative lamination 128 and first battery core
First tab 1261 of the positive lamination 116 of described the first of 11 is electrically connected, the first tab 1261 of the second positive lamination 126 and institute
The first tab or the second tab for stating the first battery core 11 are oppositely arranged.
In specific implementation, in specific implementation, n the second positive laminations and n the second negative laminations are provided, take one the
Two negative laminations, by the placement corresponding with the anode ear of the first positive lamination of the first battery core of the negative electrode lug of the above-mentioned second negative lamination, upper
At least one layer of diaphragm is arranged in the top for stating the second negative lamination, and a second positive lamination is arranged in above-mentioned at least one layer of diaphragm,
The setting direction of the negative electrode lug of the setting direction and the first battery core of the anode ear of above-mentioned second positive lamination is on the contrary, and above-mentioned first just
The anode ear of lamination and the negative electrode lug of the first battery core are oppositely arranged, and at least one layer of diaphragm is arranged above the above-mentioned second positive lamination,
In above-mentioned at least one layer of diaphragm, one the second negative lamination is set, the setting direction of the negative electrode lug of above-mentioned second negative lamination with it is upper
The setting direction of the negative electrode lug of one the second negative lamination is identical, in setting n-2 the first negative laminations and n-1 the first positive laminations
Mode is identical as aforesaid way, is not being illustrated excessively herein.Wherein, each first positive lamination and each first negative lamination it
Between the number of plies of diaphragm that is arranged it is identical, generally layer 2-3.
When the second battery core is arranged, the negative electrode lug of the second negative lamination pass through metal and first battery core described the
The anode ear of one positive lamination is electrically connected.
Continue the second positive lamination of the second battery core of setting and the example of the second negative lamination, in the first positive lamination of the first battery core
Anode ear above set up the second negative lamination after, since anode ear uses aluminium material, and negative electrode lug is using copper material
Matter, therefore, by way of metal welding by the negative electrode lug of the anode ear of the first of the first battery core the positive lamination and the second negative lamination
It connects, in welding, preferably above-mentioned anode ear and negative pole lug welding is got up using aluminium.
Optionally, the material of first tab is metal, and the material of second tab is metal.First tab
Material with second tab is aluminium or copper.When the first tab is anode ear, the second tab is negative electrode lug, the first tab
Material be aluminium, the material of the second tab is copper, and vice versa.
Second positive lamination is provided with ferric phosphate lithium layer, and the first negative lamination is provided with carbon-coating.
In a particular embodiment, it is coated on positive lamination by coating process, is coated with carbon-coating on negative lamination.
After setting up the first battery core and the second battery core, further include：Coating, first battery core and second battery core position
Inside the coating.
In specific implementation, due to the second tab of the second battery core and the first tab of the first battery core or setting for the second tab
Set it is contrary, therefore, encapsulate the first battery core the first tab and the second tab side when, sealed using conventional end socket
Dress needs to be packaged using monopole ear end socket when encapsulating the side of the second tab of the second battery core.
Aluminum plastic film is that normal battery core coating uses using a punching hole aluminum plastic film and a flat membrane coating, punching hole aluminum plastic film
Aluminum plastic film, punching hole be in order to by rectangular battery core be placed on aluminum plastic film hole in, guarantee that its position is fixed, facilitate subsequent envelope
Mouthful, and flat membrane is exactly to cut into conventional plastic-aluminum film roll, can coat the aluminum plastic film of battery core, here, why uses one
Punching hole aluminum plastic film and a flat membrane are that because two battery cores stack, thickness is larger, and there is certain requirement in hole in aluminum plastic film
Value, the thickness of battery core is not achieved in scour hole depth, so being clasped using a flat membrane.
Battery provided by the embodiments of the present application, the first battery core and the second battery core for being set to first battery core；Described
Second tab of two battery cores is oppositely arranged with first tab of first battery core or the second tab；Second battery core
First tab is electrically connected with the second tab of first battery core.In this way, avoiding directly welding two electricity when two battery cores of series connection
The positive and negative anodes of core, caused internal resistance increase problem, improve the safety coefficient of battery, also, avoid and lead during transportation
The phenomenon of rupture of two battery cores caused.
As shown in figure 4, the embodiment of the present application provides a kind of preparation method of battery, including：
S501 provides the first battery core, multiple positive laminations and multiple negative laminations；
The multiple negative lamination and the multiple positive lamination is arranged in the second tab of first battery core in S502, wherein
The setting direction of the negative electrode lug of each negative lamination is identical as the setting direction of the second tab of first battery core, Mei Gesuo
The setting direction for stating the anode ear of positive lamination is opposite with the setting direction of the first tab of first battery core or the second tab；
Second tab of first battery core is electrically connected by S503 with the contraposition of the negative electrode lug of the negative lamination.
Optionally, each positive lamination and each negative lamination contraposition are arranged, each positive lamination and each institute
It states and is provided with diaphragm between negative lamination.
In embodiment provided herein, it should be understood that disclosed device and method, it can be by others side
Formula is realized.The apparatus embodiments described above are merely exemplary, for example, the division of the unit, only one kind are patrolled
Function division is collected, there may be another division manner in actual implementation, in another example, multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some communication interfaces, device or unit
It connects, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in embodiment provided by the present application can integrate in one processing unit, it can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of the steps.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing, in addition, term " the
One ", " second ", " third " etc. are only used for distinguishing description, and should not be understood as instructing or implying relative importance.
Finally it should be noted that：Embodiment described above, the only specific embodiment of the application, to illustrate the application
Technical solution, rather than its limitations, the protection scope of the application is not limited thereto, although with reference to the foregoing embodiments to this Shen
It please be described in detail, those skilled in the art should understand that：Anyone skilled in the art
Within the technical scope of the present application, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of the embodiment of the present application technical solution.The protection in the application should all be covered
Within the scope of.Therefore, the protection scope of the application shall be subject to the protection scope of the claim.
Claims (10)
1. a kind of battery, which is characterized in that including：First battery core and the second battery core for being set to first battery core；
Second tab of second battery core is oppositely arranged with the first tab of first battery core or the second tab；
First tab of second battery core is electrically connected with the second tab of first battery core.
2. battery as described in claim 1, which is characterized in that first battery core includes at least one first positive lamination and extremely
A few first negative lamination, each first positive lamination are arranged in a one-to-one correspondence with each first negative lamination, and described first
Diaphragm, the first tab of the first positive lamination and the first negative lamination are provided between positive lamination and the first negative lamination
The second tab be disposed adjacent.
3. battery as claimed in claim 2, which is characterized in that second battery core includes at least one second positive lamination and extremely
A few second negative lamination, each second positive lamination are arranged in a one-to-one correspondence with each second negative lamination, and described second
Diaphragm, the second tab and first battery core of the second negative lamination are provided between positive lamination and the second negative lamination
First tab of the first positive lamination is electrically connected, the first tab of the second positive lamination and the first pole of first battery core
Ear or the second tab are oppositely arranged.
4. battery as claimed in claim 3, which is characterized in that the second tab of the second negative lamination by metal with it is described
First tab of the described first positive lamination of the first battery core is electrically connected.
5. such as battery of any of claims 1-4, which is characterized in that first tab is anode ear, described the
Two tabs are negative electrode lug, alternatively,
First tab is negative electrode lug, and second tab is anode ear.
6. battery as claimed in claim 5, which is characterized in that the material of first tab is metal, second tab
Material be metal.
7. battery as claimed in claim 6, which is characterized in that the material of first tab and second tab be aluminium or
Copper.
8. battery as claimed in claim 2, which is characterized in that the first positive lamination is provided with ferric phosphate lithium layer, and described
One negative lamination is provided with carbon-coating.
9. battery as claimed in claim 3, which is characterized in that the second positive lamination is provided with ferric phosphate lithium layer, and described
Two negative laminations are provided with carbon-coating.
10. battery as described in claim 1, which is characterized in that further include：Coating, first battery core and second electricity
Core is located inside the coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820287148.1U CN208127294U (en) | 2018-02-28 | 2018-02-28 | A kind of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820287148.1U CN208127294U (en) | 2018-02-28 | 2018-02-28 | A kind of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208127294U true CN208127294U (en) | 2018-11-20 |
Family
ID=64203959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820287148.1U Expired - Fee Related CN208127294U (en) | 2018-02-28 | 2018-02-28 | A kind of battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208127294U (en) |
-
2018
- 2018-02-28 CN CN201820287148.1U patent/CN208127294U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 Termination date: 20200228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |