CN206225478U - A kind of lithium-ion power battery structure - Google Patents
A kind of lithium-ion power battery structure Download PDFInfo
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- CN206225478U CN206225478U CN201621191887.8U CN201621191887U CN206225478U CN 206225478 U CN206225478 U CN 206225478U CN 201621191887 U CN201621191887 U CN 201621191887U CN 206225478 U CN206225478 U CN 206225478U
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- Prior art keywords
- battery
- housing
- battery core
- lithium
- top cover
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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
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Abstract
The utility model belongs to cell manufacturing techniques field, specifically related to a kind of lithium-ion power battery structure, including housing and the battery core being arranged in housing, the battery core is no less than two, the housing is provided with the Positive Poles of connection corresponding with the positive pole ear of each battery core, the housing is provided with the negative pole pole of connection corresponding with the negative lug of each battery core, described each Positive Poles electrical connection.It is arranged in same housing by two or more battery cores, it is the space of enclosure interior by the space transfer between script battery in battery pack and battery, for the energy density for improving battery provides design space, and the housing can accommodate more electrolyte, battery electrolyte dry-out in use is prevented；Simultaneously as each battery core is arranged in same housing, i.e., in same electrolyte environment, relative to the simple connection between battery, the battery core being arranged in same electrolyte environment more effectively ensures the uniformity inside each battery core.
Description
Technical field
The utility model belongs to cell manufacturing techniques field, and in particular to a kind of lithium-ion power battery structure.
Background technology
With the development of advanced information society, the mobile device such as mobile phone, panel computer, notebook computer, portable DVD player has
Increasingly it is widely applied；Their lithium battery is high due to energy density, and specific energy is big, and memoryless, recyclable charging makes
With, environment-protecting clean, extremely numerous clients praise highly and favor, such as cylindrical type, square, soft bag lithium ionic cell.
Traditional lithium ion is all a little lithium ion batteries standardized, with regular shape.Lithium ion battery applications exist
It is that the lithium ion battery of multiple monomers is connected into battery pack to provide enough power with to electric automobile during power vehicle, with
Requirement more and more higher of the electric automobile to course continuation mileage, how to improve the energy density of the electrokinetic cell of electric automobile turns into anxious
Cut the problem of solution.
Utility model content
The purpose of this utility model is：In view of the shortcomings of the prior art, there is provided a kind of lithium-ion power battery structure, with
Improve the energy density of lithium ion battery.
To achieve these goals, the utility model uses following technology：
A kind of lithium-ion power battery structure, including housing and the battery core being arranged in housing, the battery core are no less than two
Individual, the housing is provided with the Positive Poles of connection corresponding with the positive pole ear of each battery core, and the housing is provided with and each
The negative pole pole of the negative lug correspondence connection of battery core, described each Positive Poles electrical connection.By two or more
Battery core be arranged in same housing, by between script battery in battery pack and battery space transfer for enclosure interior sky
Between, for the energy density for improving battery provides design space, and the housing can accommodate more electrolyte, prevent battery from existing
Electrolyte dry-out during use；Simultaneously as each battery core is arranged in same housing, i.e., in same electrolyte environment
In, relative to the simple connection between battery, the battery core being arranged in same electrolyte environment more effectively ensures in each battery core
The uniformity in portion.
Wherein, the housing is regular geometric shapes or random geometry.
Used as a kind of improvement of lithium-ion power battery structure described in the utility model, the housing is provided with top cover,
The Positive Poles and negative pole pole are arranged on the top cover, and the Positive Poles are electrically connected with the top cover, the negative pole
Pole is connected with top cover insulation.So that being electrically connected by the top cover between each Positive Poles.
Used as a kind of improvement of lithium-ion power battery structure described in the utility model, the top cover is provided with fluid injection
Hole.By the liquid injection hole to noting electrolyte in the housing.
Used as a kind of improvement of lithium-ion power battery structure described in the utility model, the top cover is no less than two.
Used as a kind of improvement of lithium-ion power battery structure described in the utility model, the top cover is arranged on the shell
On the not ipsilateral of body, each top cover is arranged on the not ipsilateral of housing with according to applied environment, is moved with improving lithium ion
The flexibility that power battery is used.
It is conductive between each top cover to connect as a kind of improvement of lithium-ion power battery structure described in the utility model
Connect, be conductively connected by each top cover, so as to be arranged between different top covers Positive Poles electrically connect.
As a kind of improvement of lithium-ion power battery structure described in the utility model, the quantity and battery core of the top cover
Quantity is identical, and the corresponding Positive Poles of same battery core and negative pole pole are arranged on same top cover so that each battery core is corresponding
It is independent of each other between Positive Poles and negative pole pole.
Used as a kind of improvement of lithium-ion power battery structure described in the utility model, the battery core is lamination type electric core
Or takeup type battery core.
Used as a kind of improvement of lithium-ion power battery structure described in the utility model, the battery core is by two or more
Winding core be formed in parallel.
As a kind of improvement of lithium-ion power battery structure described in the utility model,：The battery core is multi pole ears electricity
Core.
The beneficial effects of the utility model are：A kind of lithium-ion power battery structure is provided, including housing and is arranged on
Battery core in housing, the battery core is no less than two, and the housing is provided with connection corresponding with the positive pole ear of each battery core
Positive Poles, the housing is provided with the negative pole pole of connection corresponding with the negative lug of each battery core, each described positive pole
Pole is electrically connected.It is arranged in same housing by two or more battery cores, by script battery in battery pack and electricity
Space transfer between pond is the space of enclosure interior, for the energy density for improving battery provides design space, and the housing
More electrolyte can be accommodated, battery electrolyte dry-out in use is prevented；Simultaneously as each battery core is arranged on together
In one housing, i.e., in same electrolyte environment, relative to the simple connection between battery, it is arranged on same electrolyte environment
In the battery core uniformity that more effectively ensures inside each battery core.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model implementation method 1.
Fig. 2 is one of structural representation of the utility model implementation method 2.
Fig. 3 is the two of the structural representation of the utility model implementation method 2.
Wherein, 1. housing, 2. the first battery core, 3. the second battery core, 4. the first top cover, 41. first Positive Poles, 42. first
Negative pole pole, 43. liquid injection holes, 5. the second top cover, 51. second Positive Poles, 52. second negative pole poles, 6. soft conductive connecting piece.
Specific embodiment
The utility model and its advantage are made further in detail below in conjunction with specific embodiment and Figure of description
Describe in detail it is bright, but, specific embodiment of the present utility model is not limited thereto.
Implementation method 1
As shown in figure 1, a kind of lithium-ion power battery structure, including housing 1 and the battery core being arranged in housing 1, it is described
Battery core is provided with two, respectively the first battery core 2 and the second battery core 3, and the housing 1 is L-type structure, and the housing 1 is provided with
Two top covers, respectively the first top cover 4 and the second top cover 5, first top cover 4 be provided with respectively with first battery core 2
First Positive Poles 41 and the first negative pole pole 42 of positive pole ear connection corresponding with negative lug, second top cover 5 are set
There are the second Positive Poles 51 of connection corresponding with the positive pole ear and negative lug of second battery core 3 and the second negative pole pole respectively
Post 52.First top cover 4 is provided with liquid injection hole 43, and first Positive Poles 41 are electrically connected with the first top cover 4, and described first
The insulation of negative pole pole 42 and first top cover 4 is connected, and second Positive Poles 51 are electrically connected with the second top cover 5, and described the
Two negative pole poles 52 are connected with second top cover 5 insulation, and first Positive Poles 41 and second Positive Poles 51 are electric
Connection.The positive pole ear and negative lug of first battery core 2 by welding respectively with first Positive Poles 41 and first
Negative pole pole 42 is electrically connected, the positive pole ear and negative lug of second battery core 3 by welding respectively with second positive pole
The negative pole pole 52 of pole 51 and second is electrically connected.The top cover 5 of first top cover 4 and second is fixed on by welding or adhering and sealing
On the housing 1.
Wherein, the battery core 3 of first battery core 2 and second is lamination type electric core or takeup type battery core, and or by two or
The battery core that winding core above is formed in parallel.
It is arranged in same housing 1 by by the first battery core 2 and the second battery core 3, by script battery in battery pack and electricity
Space transfer between pond is the space inside housing 1, for the energy density for improving battery provides design space, and the housing
1 can accommodate more electrolyte, prevent battery electrolyte dry-out in use；Simultaneously as the first battery core 2 and second
Battery core 3 is arranged in same housing 1, i.e., in same electrolyte environment, relative to the simple connection between battery, be arranged on
The uniformity inside the first battery core 2 and the second battery core 3 is more can guarantee that in same electrolyte environment.
Implementation method 2
As shown in Figures 2 and 3, a kind of lithium-ion power battery structure, including housing 1 and the battery core being arranged in housing 1, institute
State battery core and be provided with two, respectively the first battery core 2 and the second battery core 3, the housing 1 is L-type structure, and the housing 1 is set
There are two top covers, respectively the first top cover 4 and the second top cover 5, first top cover 4 is provided with the first Positive Poles 41 and first
Negative pole pole 42, second top cover 5 is provided with the second negative pole pole 52, the battery core 2 of first Positive Poles 41 and first
Positive pole ear correspondence is connected, while positive pole ear of first Positive Poles 41 by the battery core 3 of soft conductive connecting piece 6 and second
Electrical connection, the soft conductive connecting piece 6 is aluminium flake or nickel sheet, and compared to implementation method 1, the present embodiment is by sharing the first positive pole pole
Post 41, to reduce the setting of Positive Poles quantity, simplifies structure without setting the second Positive Poles.
Further feature is identical with implementation method 1, will not be repeated here.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and changed.Therefore, the utility model is not limited to above-mentioned specific embodiment, every this area skill
Art personnel on the basis of the utility model it is done it is any conspicuously improved, replace or modification belongs to this practicality newly
The protection domain of type.Although additionally, having used some specific terms in this specification, these terms are intended merely to convenient saying
It is bright, any limitation is not constituted to the utility model.
Claims (10)
1. a kind of lithium-ion power battery structure, it is characterised in that：Including housing and the battery core being arranged in housing, the battery core
No less than two, the housing is provided with the Positive Poles of connection corresponding with the positive pole ear of each battery core, and the housing is set
There are the negative pole pole of connection corresponding with the negative lug of each battery core, described each Positive Poles electrical connection.
2. a kind of lithium-ion power battery structure according to claim 1, it is characterised in that：The housing is provided with top
Lid, the Positive Poles and negative pole pole are arranged on the top cover, and the Positive Poles are electrically connected with the top cover, described negative
Pole pole is connected with top cover insulation.
3. a kind of lithium-ion power battery structure according to claim 2, it is characterised in that：The top cover is provided with fluid injection
Hole.
4. a kind of lithium-ion power battery structure according to claim 2, it is characterised in that：The top cover is no less than two
It is individual.
5. a kind of lithium-ion power battery structure according to claim 4, it is characterised in that：The top cover is arranged on described
On the not ipsilateral of housing.
6. a kind of lithium-ion power battery structure according to claim 4, it is characterised in that：It is conductive between each top cover to connect
Connect.
7. a kind of lithium-ion power battery structure according to claim 4, it is characterised in that：The quantity of the top cover and electricity
Core quantity is identical, and the corresponding Positive Poles of same battery core and negative pole pole are arranged on same top cover.
8. a kind of lithium-ion power battery structure according to claim 1, it is characterised in that：The battery core is lamination type electric
Core or takeup type battery core.
9. a kind of lithium-ion power battery structure according to claim 1, it is characterised in that：The battery core by two or with
On winding core be formed in parallel.
10. a kind of lithium-ion power battery structure according to claim 1, it is characterised in that：The battery core is multi pole ears
Battery core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621191887.8U CN206225478U (en) | 2016-10-27 | 2016-10-27 | A kind of lithium-ion power battery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621191887.8U CN206225478U (en) | 2016-10-27 | 2016-10-27 | A kind of lithium-ion power battery structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206225478U true CN206225478U (en) | 2017-06-06 |
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ID=58793621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621191887.8U Active CN206225478U (en) | 2016-10-27 | 2016-10-27 | A kind of lithium-ion power battery structure |
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| CN (1) | CN206225478U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021195925A1 (en) * | 2020-03-31 | 2021-10-07 | 宁德新能源科技有限公司 | Battery cell structure and battery |
| CN114976195A (en) * | 2022-04-15 | 2022-08-30 | 合肥国轩高科动力能源有限公司 | High-energy-density power battery and battery pack |
-
2016
- 2016-10-27 CN CN201621191887.8U patent/CN206225478U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021195925A1 (en) * | 2020-03-31 | 2021-10-07 | 宁德新能源科技有限公司 | Battery cell structure and battery |
| CN113924679A (en) * | 2020-03-31 | 2022-01-11 | 宁德新能源科技有限公司 | Battery cell structure and battery |
| CN113924679B (en) * | 2020-03-31 | 2023-08-22 | 宁德新能源科技有限公司 | Battery cell structure and battery |
| CN114976195A (en) * | 2022-04-15 | 2022-08-30 | 合肥国轩高科动力能源有限公司 | High-energy-density power battery and battery pack |
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