CN107959046A - A kind of power battery - Google Patents
A kind of power battery Download PDFInfo
- Publication number
- CN107959046A CN107959046A CN201711211398.3A CN201711211398A CN107959046A CN 107959046 A CN107959046 A CN 107959046A CN 201711211398 A CN201711211398 A CN 201711211398A CN 107959046 A CN107959046 A CN 107959046A
- Authority
- CN
- China
- Prior art keywords
- cover board
- battery core
- plate
- electrically connected
- drainage component
- 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
Links
Classifications
-
- 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
-
- 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
- H01M10/058—Construction or manufacture
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The present invention provides a kind of power battery, including the first cover board and the second cover board, the housing between the first cover board and the second cover board, the multiple battery cores being contained in housing, the first drainage component between the first cover board and multiple battery cores and the second drainage component between the second cover board and multiple battery cores that parallel interval is oppositely arranged；Housing includes bottom plate, the first side plate extended to form from bottom plate to the first cover board direction and the second side plate extended to form from bottom plate to the second cover board direction；Bottom plate offers multiple location holes for being used to position battery core, and each battery core runs through a corresponding location hole and one end is electrically connected to the first drainage component, the other end is electrically connected to the second drainage component；Each battery core is cased with a hollow out protection cylinder close to one end of the first drainage component, and the one side that each hollow out protection cylinder is resisted against the first drainage component is equipped with conductive sheet.
Description
【Technical field】
The present invention relates to battery technology field, more particularly to a kind of power battery.
【Background technology】
Lithium-ion-power cell because it can store energy, and with energy density it is big, can fast charging and discharging, circulation longevity
The features such as life is long, environmental-friendly is widely applied.By development for many years, the production technology of lithium-ion-power cell and just
The selection of negative material obtains very big improvement, but the finite energy stored by single battery, by multiple single batteries into
When row connection in series-parallel assembles, not only tedious process, complicated, high to the coherence request of single battery, big needed for connection in series-parallel
Amount connecting component can also occupy larger space, and the welding of multiplex roles also results in internal resistance increase, adds energy loss.
In addition, in order to ensure safety, battery management system needs the monitoring to each single battery into trip temperature and voltage, be structure into
One step complicates, and cost is higher.
In consideration of it, it is really necessary to provide a kind of power battery to overcome drawbacks described above.
【The content of the invention】
The object of the present invention is to provide a kind of increase of capacity, internal resistance reduces and power battery simple in structure.
To achieve these goals, the present invention provides a kind of power battery, including the first lid that parallel interval is oppositely arranged
Plate and the second cover board, the housing between first cover board and second cover board, be contained in it is multiple in the housing
Battery core, the first drainage component between first cover board and the multiple battery core and positioned at second cover board and institute
State the second drainage component between multiple battery cores；The housing includes being arranged in parallel with first cover board and second cover board
Bottom plate, the first side plate from the bottom plate to the first cover board direction that extended to form from and from the bottom plate to the described second lid
The second side plate that plate direction extends to form, and the sealing of first cover board and first side plate coordinates, second cover board with
The second side plate sealing coordinates；The bottom plate offers multiple through the bottom plate and for positioning the positioning of the battery core
Hole, each battery core runs through a corresponding location hole and one end is electrically connected to first drainage component, the other end is electrically connected
To second drainage component；Each battery core is cased with a hollow out protection cylinder close to one end of first drainage component, and often
The one side that a hollow out protection cylinder is resisted against first drainage component is equipped with conductive sheet, and each battery core passes through a corresponding conductive sheet
It is electrically connected with first drainage component.
In a preferred embodiment, each battery core is cylindrical and by positive plate, negative plate and positioned at the cathode
Membrane winding between piece and the negative plate forms；First cover board is equipped with anode pole, and the anode pole passes through
First drainage component and corresponding conductive sheet and the negative plate of each battery core are electrically connected；Second cover board is equipped with just
Pole pole, the Positive Poles are electrically connected by second drainage component and the positive plate of each battery core.
In a preferred embodiment, further include be contained in the housing and set with the bottom plate parallel interval and
Limiting plate between the bottom plate and second cover board, the limiting plate offer it is multiple through the limiting plate and with
The one-to-one limit hole of location hole；The one end of each battery core away from hollow out protection cylinder passes through a corresponding limit hole
And the limiting plate is set to be resisted against the hollow out protection cylinder.
In a preferred embodiment, the hollow out protection cylinder corresponds to described in the cylindrical shape and internal diameter of one end closure
The diameter of battery core, the conductive sheet are arranged at closure one end of the hollow out protection cylinder；The location hole is rounded and diameter pair
The outside diameter of hollow out protection cylinder described in Ying Yu；The limit hole is rounded and diameter corresponds to the internal diameter that the hollow out protects cylinder.
In a preferred embodiment, the limiting plate is further opened with multiple through the limiting plate and being used for electrolyte
The through hole of circulation.
In a preferred embodiment, first drainage component includes the first confluence piece and the first lead-out tablet, described
First confluence piece includes a cricoid first confluence portion and the first connecting portion formed from the extension of described first confluence portion one end, institute
Stating the first lead-out tablet includes the first lead division and the second connecting portion formed from first lead division extension；First confluence
Portion and the negative plate of each battery core are electrically connected, and the first connecting portion is electrically connected with the second connecting portion, and described first
Lead division is electrically connected with the anode pole.
In a preferred embodiment, second drainage component includes the second confluence piece and the second lead-out tablet, described
Second confluence piece includes a cricoid second confluence portion and the 3rd connecting portion formed from the extension of described second confluence portion one end, institute
Stating the second lead-out tablet includes the second lead division and the 4th connecting portion formed from second lead division extension；Second confluence
Portion and the positive plate of each battery core are electrically connected, and the 3rd connecting portion is electrically connected with the 4th connecting portion, and described second
Lead division is electrically connected with the Positive Poles.
In a preferred embodiment, the liquid injection hole for filling electrolyte is additionally provided with second cover board.
In a preferred embodiment, it is additionally provided with explosion-proof valve on second cover board.
Power battery provided by the invention is assembled into rectangular cell using the higher cylindrical battery core of multiple the degree of automation,
The stored energy capacitance of single battery is improved, reduces the connecting component between battery needed for connection in series-parallel and shared space.Together
When, the number of batteries of monitoring is reduced needed for battery management system, and overall internal resistance has also declined, and obtains the effective power of battery
Improve.
【Brief description of the drawings】
Fig. 1 is the explosive view of power battery provided by the invention.
Fig. 2 is the power battery part structure diagram when assembled shown in Fig. 1.
【Embodiment】
In order to make the purpose of the present invention, technical solution and advantageous effects become apparent from understanding, below in conjunction with attached drawing and
Embodiment, the present invention will be described in further detail.It should be appreciated that the specific implementation described in this specification
Mode is not intended to limit the present invention just for the sake of explaining the present invention.
Please refer to Fig.1 and Fig. 2, the present invention provide a kind of power battery 100, including the first lid that parallel interval is oppositely arranged
10 and second cover board 20 of plate, the housing 30 between first cover board 10 and second cover board 20, be contained in the shell
Multiple battery cores 40 in body 30, the first drainage component 50 between first cover board 10 and the multiple battery core 40 and
The second drainage component 60 between second cover board 20 and the multiple battery core 40.
Specifically, the housing 30 includes the bottom plate being arranged in parallel with first cover board 10 and second cover board 20
31st, the first side plate 32 from the bottom plate 31 to 10 direction of the first cover board that extended to form from and from the bottom plate 31 to described
The second side plate 33 that two cover boards, 20 direction extends to form.First cover board 10 coordinates with first side plate 32 sealing, described
Second cover board 20 coordinates with second side plate 33 sealing.
The bottom plate 31 offers multiple through the bottom plate 31 and for positioning the location hole 311 of the battery core 40.Often
A battery core 40 runs through a corresponding location hole 311 and one end is electrically connected to first drainage component 50, the other end electrically connects
It is connected to second drainage component 60.
Further, each battery core 40 is cased with a hollow out protection cylinder 70 close to one end of first drainage component 50,
And the one side that each hollow out protection cylinder 70 is resisted against first drainage component 50 is equipped with conductive sheet 80, each battery core 40 is by right
A conductive sheet 80 is answered to be electrically connected with first drainage component 50.In present embodiment, the hollow out protection cylinder 70 and institute
Conductive sheet 80 is stated to connect by Laser Welding.The hollow out protects cylinder 70 to use, and insulating properties is good, electrolyte resistance burn into is heat safe
Light material is made.In addition, the engraved structure that the hollow out protection cylinder 70 possesses is abundant easy to the battery core 40 and electrolyte
Contact.
Each battery core 40 is cylindrical and by positive plate, negative plate and between the positive plate and the negative plate
Membrane winding forms.First cover board 10 is equipped with anode pole 11, and the anode pole 11 passes through the first drainage group
Part 50 and corresponding conductive sheet 80 and the negative plate of each battery core 40 are electrically connected.Second cover board 20 is equipped with Positive Poles
21, the Positive Poles 21 are electrically connected by second drainage component 60 and the positive plate of each battery core 40.
Further, power battery 100, which further includes, is contained in the housing 30 and is set with 31 parallel interval of bottom plate
Put and the limiting plate 90 between the bottom plate 31 and second cover board 20, the limiting plate 90, which offers, multiple runs through institute
State limiting plate 90 and with the one-to-one limit hole 91 of the location hole 311.Each battery core 40 protects cylinder 70 away from the hollow out
One end pass through a corresponding limit hole 91 and the limiting plate 90 is resisted against the hollow out protection cylinder 70.The limiting plate 90
It is further opened with multiple through holes 92 through the limiting plate 90 and for electrolyte circulation.
In present embodiment, the hollow out protection cylinder 70 corresponds to the battery core 40 in the cylindrical shape and internal diameter of one end closure
Diameter, the conductive sheet 80 is arranged at closure one end of hollow out protection cylinder 70.The location hole 311 is rounded and diameter
Corresponding to the outside diameter of hollow out protection cylinder 70.The limit hole 91 is rounded and diameter corresponds to hollow out protection cylinder 70
Internal diameter.
First drainage component 50 includes the first confluence 51 and first lead-out tablet 52 of piece, and the first confluence piece 51 includes
One cricoid first confluence portion 511 and from the first connecting portion 512 that forms of described first confluence portion, 511 one end extension, described the
One lead-out tablet 52 includes the first lead division 521 and the second connecting portion 522 formed from first lead division 521 extension.It is described
First confluence portion 511 is electrically connected by the negative plate of the conductive sheet 80 and each battery core 40, the first connecting portion 512 with
The second connecting portion 522 is electrically connected, and first lead division 521 is electrically connected with the anode pole 11.This embodiment party
In formula, the multiple battery core 40 is arranged in arrays, the 511 rectangular ring-type of the first confluence portion.
Second drainage component 60 includes the second confluence 61 and second lead-out tablet 62 of piece, and the second confluence piece 61 includes
One cricoid second confluence portion 611 and from the 3rd connecting portion 612 that forms of described second confluence portion, 611 one end extension, described the
Two lead-out tablets 62 include the second lead division 621 and the 4th connecting portion 622 formed from second lead division 621 extension.It is described
Second confluence portion 611 and the positive plate of each battery core 40 are electrically connected, the 3rd connecting portion 612 and the 4th connecting portion
622 are electrically connected, and second lead division 621 is electrically connected with the Positive Poles 21.In present embodiment, described second converges
611 rectangular ring-type of stream portion, the 3rd connecting portion 612 and the 4th connecting portion 622 are L-shaped.
Further, the liquid injection hole 22 for filling electrolyte is additionally provided with second cover board 20.It is it should be understood that raw
Injected in the sealing space for needing to surround with first cover board 10 and second cover board 20 to the housing 30 during production
Electrolyte, and the multiple battery core 40 is in contact with electrolyte.
Further, it is additionally provided with explosion-proof valve 23 on second cover board 20.It should be understood that the power battery 100 exists
Heat is produced in charge and discharge process, the sealing for causing the housing 30 to be surrounded with first cover board 10 and second cover board 20
Air pressure increase in space, crossing conference with the pressure difference of external atmosphere pressure causes the security incidents such as explosion, and the explosion-proof valve 23 can
Pressure release is carried out when pressure difference is excessive, so as to improve security performance.
In present embodiment, first cover board 10, second cover board 20, the housing 30 and the limiting plate 90 are equal
By insulating properties is good, the heat safe light material of electrolyte resistance burn into is made.
The simple production process of power battery 10 provided by the invention, can pass through the 40 quantity control of battery core in the housing 30
Amount of capacity processed, positioning assembling is carried out using bottom plate 31, limiting plate 90 and hollow out protection 70 pairs of battery cores 40 of cylinder of the housing 30,
Avoid, by concussion play, improving security, in addition, electricity can be reduced by being arranged at the conductive sheet 80 of hollow out protection 70 one side of cylinder
The operation difficulty of 40 spot welding of core.
The present invention is not restricted to described in specification and embodiment, therefore for the personnel of familiar field
Additional advantage and modification is easily achieved, therefore in the essence of the universal limited without departing substantially from claim and equivalency range
In the case of refreshing and scope, the present invention is not limited to specific details, representational equipment and shown here as the diagram with description
Example.
Claims (9)
- A kind of 1. power battery, it is characterised in that：The first cover board and the second cover board that are oppositely arranged including parallel interval, positioned at institute State the housing between the first cover board and second cover board, the multiple battery cores being contained in the housing, positioned at the described first lid The first drainage component between plate and the multiple battery core and between second cover board and the multiple battery core Two drainage components；Bottom plate that the housing includes being arranged in parallel with first cover board and second cover board, from the bottom plate The first side plate for being extended to form to the first cover board direction and extended to form from the bottom plate to the second cover board direction Second side plate, and first cover board coordinates with first side plate sealing, second cover board is sealed with second side plate Coordinate；The bottom plate offer it is multiple through the bottom plate and for positioning the location hole of the battery core, each battery core through pair Answer a location hole and one end is electrically connected to first drainage component, the other end is electrically connected to the second drainage group Part；Each battery core is cased with a hollow out protection cylinder close to one end of first drainage component, and each hollow out protect cylinder against Conductive sheet is equipped with the one side of first drainage component, each battery core passes through a corresponding conductive sheet and the first drainage group Part is electrically connected.
- 2. power battery as claimed in claim 1, it is characterised in that：Each battery core is cylindrical and by positive plate, negative plate And the membrane winding between the positive plate and the negative plate forms；First cover board is equipped with anode pole, institute Anode pole is stated to be electrically connected by first drainage component and corresponding conductive sheet and the negative plate of each battery core；Described Two cover boards are equipped with Positive Poles, and the Positive Poles are electrically connected by second drainage component and the positive plate of each battery core Connect.
- 3. power battery as claimed in claim 2, it is characterised in that：Further include be contained in the housing and with the bottom plate Parallel interval is set and the limiting plate between the bottom plate and second cover board, the limiting plate offer multiple run through The limiting plate and with the one-to-one limit hole of the location hole；The one end of each battery core away from hollow out protection cylinder passes through A corresponding limit hole simultaneously makes the limiting plate be resisted against the hollow out protection cylinder.
- 4. power battery as claimed in claim 3, it is characterised in that：Hollow out protection cylinder in one end closure cylindrical shape and Internal diameter corresponds to the diameter of the battery core, and the conductive sheet is arranged at closure one end of the hollow out protection cylinder；The location hole Rounded and diameter corresponds to the outside diameter of hollow out protection cylinder；The limit hole is rounded and diameter is protected corresponding to the hollow out The internal diameter of casing.
- 5. power battery as claimed in claim 3, it is characterised in that：The limiting plate is further opened with multiple through described spacing Plate and the through hole for being used for electrolyte circulation.
- 6. power battery as claimed in claim 2, it is characterised in that：First drainage component includes the first confluence piece and the One lead-out tablet, the first confluence piece include a cricoid first confluence portion and extend what is formed from described first confluence portion one end First connecting portion, first lead-out tablet include the first lead division and the second connection formed from first lead division extension Portion；The first confluence portion and the negative plate of each battery core are electrically connected, the first connecting portion and second connecting portion electricity Property connection, first lead division and the anode pole are electrically connected.
- 7. power battery as claimed in claim 2, it is characterised in that：Second drainage component includes the second confluence piece and the Two lead-out tablets, the second confluence piece include a cricoid second confluence portion and extend what is formed from described second confluence portion one end 3rd connecting portion, second lead-out tablet include the second lead division and the 4th connection formed from second lead division extension Portion；The second confluence portion and the positive plate of each battery core are electrically connected, the 3rd connecting portion and the 4th connecting portion electricity Property connection, second lead division and the Positive Poles are electrically connected.
- 8. power battery as claimed in claim 1, it is characterised in that：It is additionally provided with second cover board for filling electrolyte Liquid injection hole.
- 9. power battery as claimed in claim 1, it is characterised in that：Explosion-proof valve is additionally provided with second cover board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711211398.3A CN107959046A (en) | 2017-11-28 | 2017-11-28 | A kind of power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711211398.3A CN107959046A (en) | 2017-11-28 | 2017-11-28 | A kind of power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107959046A true CN107959046A (en) | 2018-04-24 |
Family
ID=61959466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711211398.3A Pending CN107959046A (en) | 2017-11-28 | 2017-11-28 | A kind of power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107959046A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048711A (en) * | 2018-10-12 | 2020-04-21 | 大众汽车有限公司 | Battery module |
| CN112909441A (en) * | 2021-03-09 | 2021-06-04 | 大连中比动力电池有限公司 | Modular lithium ion battery and production method thereof |
-
2017
- 2017-11-28 CN CN201711211398.3A patent/CN107959046A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048711A (en) * | 2018-10-12 | 2020-04-21 | 大众汽车有限公司 | Battery module |
| CN111048711B (en) * | 2018-10-12 | 2024-02-02 | 大众汽车有限公司 | Battery module |
| CN112909441A (en) * | 2021-03-09 | 2021-06-04 | 大连中比动力电池有限公司 | Modular lithium ion battery and production method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191028 Address after: 518000 Shenyu Science and Technology Park, No. 68 Lanjingbei Road, Laokeng Community, Longtian Street, Pingshan District, Shenzhen City, Guangdong Province, 101 Applicant after: Shenzhen Anding New Energy Technology Development Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Pingshan Pingshan Zhu Keng industrial zone 3, 4 Building Community Applicant before: Shenzhen Optimum Battery Co., Ltd. |
|
| TA01 | Transfer of patent application right | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180424 |
|
| WD01 | Invention patent application deemed withdrawn after publication |