CN110783505A - Soft package battery - Google Patents
Soft package battery Download PDFInfo
- Publication number
- CN110783505A CN110783505A CN201911002540.2A CN201911002540A CN110783505A CN 110783505 A CN110783505 A CN 110783505A CN 201911002540 A CN201911002540 A CN 201911002540A CN 110783505 A CN110783505 A CN 110783505A
- Authority
- CN
- China
- Prior art keywords
- battery
- plate
- tab
- utmost point
- protection
- 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.)
- Pending
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Classifications
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
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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
Abstract
The invention provides a soft package battery, and belongs to the field of lithium ion batteries. It has solved current utilization and has gathered the pencil and gather the inefficacy risk scheduling problem that the battery signal can increase the battery, a laminate polymer battery, including the battery body, the battery body includes a plurality of supports and a plurality of electric core, and the support is used for piling up electric core in groups, and a utmost point ear is worn out from the clearance of two supports, and electric core is provided with utmost point ear, and the one end of battery body is provided with the protection shield, and the protection shield is provided with the notch, and each utmost point ear is worn out from the notch to the crimping is on the protection shield. The invention reduces the risk of battery failure.
Description
Technical Field
The invention belongs to the field of lithium ion batteries, and particularly relates to a soft package battery.
Background
The connected mode between present laminate polymer core is through laser welding on the busbar, and the signal acquisition of battery is to weld the signal acquisition pencil on every string of battery earlier, then installs the signal acquisition pencil on the BMS protection shield. The entire assembly process is inefficient and collecting the battery signals with the collection harness increases the risk of failure of the battery (easy short circuit failure between harnesses) and the welding process also increases the risk of failure of the battery pack.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a soft package battery.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a laminate polymer battery, its characterized in that, includes battery body, battery body include a plurality of supports and a plurality of electric core, the support be used for piling up electric core in groups, one wear out in the clearance of utmost point ear follow two supports, electric core be provided with utmost point ear, battery body's one end is provided with the protection shield, the protection shield be provided with the notch, each utmost point ear wear out from the notch to the crimping is on the protection shield.
The working principle of the invention is as follows: the support piles up electric core in groups, one utmost point ear is worn out from the clearance of two supports, and utmost point ear is worn out the back from the protection shield again, and the crimping of bending is on the protection shield, and each electric core utmost point ear crimping is on the protection shield, through the inside circuit composition of protection shield and establish ties, and the protection shield is the BMS protection shield. The invention replaces a signal acquisition line by pressing the lugs on the protection plate, and the cells are stacked into groups by the bracket without adopting a welding mode, thereby greatly reducing the risk of battery failure.
In foretell laminate polymer battery, the support on be provided with the dead lever, the protection shield on be provided with the trompil, the trompil be used for supplying the dead lever to pass, make the protection shield install on the support.
In foretell laminate polymer battery, the protection shield on be provided with the metal polar plate, the metal polar plate be used for the crimping in the utmost point ear top after bending, the metal polar plate both ends be provided with and be used for supplying the dead lever to pass the mounting hole, the metal polar plate install between the notch.
In the above soft package battery, the metal electrode plate is an aluminum electrode plate.
In foretell laminate polymer battery, the dead lever be provided with the mounting, the mounting be used for fixing metal polar plate and utmost point ear on the protection shield.
In the above-mentioned laminate polymer battery, the both sides of battery body be provided with the shrouding, support and electric core be located between two shroudings.
In the soft package battery, the tab is provided with two U-shaped grooves.
In the soft package battery, the protection plate is provided with a protection cover covering the tab.
Compared with the prior art, the invention has the following advantages:
1. the invention replaces a signal acquisition line by pressing the lugs on the protection plate, and the cells are stacked into groups by the bracket without adopting a welding mode, thereby greatly reducing the risk of battery failure.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the stent of the present invention;
FIG. 3 is a schematic structural diagram of a tab and a metal plate according to the present invention;
FIG. 4 is a schematic view of the structure of the protective plate of the present invention;
FIG. 5 is a schematic diagram of the structure of a metal plate of the present invention;
fig. 6 is a schematic structural diagram of a battery cell of the present invention.
In the figure, 1, a battery body; 2. a support; 3. an electric core; 4. a tab; 5. a protection plate; 6. a notch; 7. fixing the rod; 8. opening a hole; 9. a metal plate; 10. mounting holes; 11. a fixing member; 12. closing the plate; 13. a U-shaped groove; 14. a protective cover.
Detailed description of preferred embodiments 6
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 6, a pouch battery includes a battery body 1, the battery body 1 includes a plurality of supports 2 and a plurality of battery cells 3, each battery cell 3 is provided with a tab 4, one end of the battery body 1 is provided with a protection plate 5, the protection plate 5 is provided with a notch 6, and each tab 4 penetrates out of the notch 6 and is pressed on the protection plate 5.
In more detail, the bracket 2 is provided with a fixing rod 7, the protection plate 5 is provided with an opening 8, and the opening 8 is used for the fixing rod 7 to pass through, so that the protection plate 5 is installed on the bracket 2. The fixing rod 7 of the holder 2 is passed through the opening 8 to mount the protection plate 5 on the holder 2, i.e., the protection plate 5 is mounted on one side of the battery body 1.
In more detail, the protective plate 5 is provided with a metal polar plate 9, the metal polar plate 9 is used for being pressed above the bent tab 4, two ends of the metal polar plate 9 are provided with mounting holes 10 for the fixing rod 7 to pass through, and the metal polar plate 9 is mounted between the notches 6. The metal plate 9 is an aluminum plate. After the tab 4 penetrates through the notch 6, the tab 4 is bent, then the metal polar plate 9 is installed, the fixing rod 7 penetrates through the installation hole 10, and the metal polar plate 9 is located above the tab 4. (for clarity, the tab is not bent in the figures, but it should be understood that the tab is required to be bent to crimp it to the protection plate.)
In more detail, the fixing rod 7 is provided with a fixing member 11, and the fixing member 11 is used for fixing the metal pole plate 9 and the tab 4 on the protection plate 5. After the tab 4 is bent, the metal plate 9 is pressed on the tab 4, and then the tab 4 and the metal plate 9 are fixed on the protection plate 5 by the fixing member 11. The fixing rod 7 may be a screw and the fixing member 11 may be a nut.
In further detail, two sides of the battery body 1 are provided with seal plates 12, and the support 2 and the battery cell 3 are located between the two seal plates 12.
In more detail, the tab 4 is provided with two U-shaped grooves 13. The U-shaped groove 13 is provided to prevent the tab 4 from touching the fixing rod 7 when the tab is bent.
More specifically, the protection plate 5 is provided with a protection cover 14 covering the tab 4. The protective cover 14 is used for protecting the tab 4 and plays a role of insulation and isolation.
During the installation, support 2 piles up electric core 3 in groups the back, output in the clearance between support 2 is followed to utmost point ear 4 of electric core 3, install BMS protection shield 5 on support 2 again, then wear out utmost point ear 4 from notch 6, and bend utmost point ear 4, make utmost point ear 4 crimping on BMS protection shield 5, because utmost point ear 4 be provided with two U word grooves 13, touch dead lever 7 when having avoided utmost point ear 4 to bend, then will pass through mounting hole 10, dead lever 7 is passed to mounting hole 10, install metal utmost point ear 4 on protection shield 5, it is fixed with mounting 11. The fixture 11 compresses the metal substrate and the tab 4 against the BMS protection plate 5, and is connected in series through a circuit inside the protection plate 5.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms of the battery body 1, the bracket 2, the battery core 3, the tab 4, the protection plate 5, the notch 6, the fixing rod 7, the opening 8, the metal plate 9, the mounting hole 10, the fixing member 11, the sealing plate 12, the U-shaped groove 13, the protection cover 14, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (8)
1. The utility model provides a laminate polymer battery, its characterized in that, includes battery body (1), battery body (1) include a plurality of supports (2) and a plurality of electric core (3), support (2) be used for piling up electric core (3) and become in groups, one utmost point ear (4) are worn out from the clearance of two supports (2), electric core (3) be provided with utmost point ear (4), the one end of battery body (1) is provided with protection shield (5), protection shield (5) be provided with notch (6), each utmost point ear (4) wear out from notch (6) to the crimping is on protection shield (5).
2. The soft package battery according to claim 1, wherein the bracket (2) is provided with a fixing rod (7), the protection plate (5) is provided with an opening (8), and the opening (8) is used for the fixing rod (7) to pass through, so that the protection plate (5) is installed on the bracket (2).
3. The soft package battery according to claim 2, wherein the protective plate (5) is provided with a metal polar plate (9), the metal polar plate (9) is used for being pressed and connected above the bent tab (4), two ends of the metal polar plate (9) are provided with mounting holes (10) for a fixing rod (7) to pass through, and the metal polar plate (9) is mounted between the notches (6).
4. The laminate battery according to claim 3, wherein the metal plate (9) is an aluminum plate.
5. The laminate battery as claimed in claim 3, wherein the fixing bar (7) is provided with a fixing member (11), and the fixing member (11) is used for fixing the metal pole plate (9) and the tab (4) on the protection plate (5).
6. The soft package battery according to claim 1, wherein the battery body (1) is provided with two sealing plates (12) at two sides, and the support (2) and the battery cell (3) are located between the two sealing plates (12).
7. The soft package battery according to claim 1, wherein the tab (4) is provided with two U-shaped grooves (13).
8. The pouch battery according to claim 1, characterized in that the protective plate (5) is provided with a protective cover (14) covering the tab (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911002540.2A CN110783505A (en) | 2019-10-21 | 2019-10-21 | Soft package battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911002540.2A CN110783505A (en) | 2019-10-21 | 2019-10-21 | Soft package battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110783505A true CN110783505A (en) | 2020-02-11 |
Family
ID=69386224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911002540.2A Pending CN110783505A (en) | 2019-10-21 | 2019-10-21 | Soft package battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110783505A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022402A (en) * | 2011-09-23 | 2013-04-03 | 欣旺达电子股份有限公司 | Series and parallel assembly structure of polymer multi electrical cores and technology thereof |
| CN206076351U (en) * | 2016-08-29 | 2017-04-05 | 多氟多（焦作）新能源科技有限公司 | A kind of battery case and its lithium battery module |
| CN107302074A (en) * | 2017-08-15 | 2017-10-27 | 智车优行科技（上海）有限公司 | Soft package battery module and electric automobile |
| CN206742438U (en) * | 2017-04-24 | 2017-12-12 | 惠州市蓝微新源技术有限公司 | A kind of Soft Roll power battery module structure |
| CN109244346A (en) * | 2018-09-17 | 2019-01-18 | 常州长路电气有限公司 | A kind of Soft Roll type lithium battery mould group |
| CN209374584U (en) * | 2018-12-27 | 2019-09-10 | 连云港正道电池技术有限公司 | A kind of soft-package battery group of high life high security |
-
2019
- 2019-10-21 CN CN201911002540.2A patent/CN110783505A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022402A (en) * | 2011-09-23 | 2013-04-03 | 欣旺达电子股份有限公司 | Series and parallel assembly structure of polymer multi electrical cores and technology thereof |
| CN206076351U (en) * | 2016-08-29 | 2017-04-05 | 多氟多（焦作）新能源科技有限公司 | A kind of battery case and its lithium battery module |
| CN206742438U (en) * | 2017-04-24 | 2017-12-12 | 惠州市蓝微新源技术有限公司 | A kind of Soft Roll power battery module structure |
| CN107302074A (en) * | 2017-08-15 | 2017-10-27 | 智车优行科技（上海）有限公司 | Soft package battery module and electric automobile |
| CN109244346A (en) * | 2018-09-17 | 2019-01-18 | 常州长路电气有限公司 | A kind of Soft Roll type lithium battery mould group |
| CN209374584U (en) * | 2018-12-27 | 2019-09-10 | 连云港正道电池技术有限公司 | A kind of soft-package battery group of high life high security |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information |
Address after: 313100 18 Changxing County Road, Changxing County, Zhejiang Applicant after: Tianneng Shuai Fude Energy Co.,Ltd. Address before: 313100 18 Changxing County Road, Changxing County, Zhejiang Applicant before: ZHEJIANG TIANNENG ENERGY TECHNOLOGY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200211 |
|
| RJ01 | Rejection of invention patent application after publication |