CN205543110U - Square power battery - Google Patents
Square power battery Download PDFInfo
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- CN205543110U CN205543110U CN201620213570.3U CN201620213570U CN205543110U CN 205543110 U CN205543110 U CN 205543110U CN 201620213570 U CN201620213570 U CN 201620213570U CN 205543110 U CN205543110 U CN 205543110U
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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 relates to a square power battery, including shell and pole piece, the pole piece is located the shell, wherein is equipped with main anodal ear and main negative pole ear on the pole piece, and main anodal ear and main negative pole ear are connected on the shell, and the pole piece includes parallelly connected the forming of the electric core of two at least monomers, is equipped with anodal ear of monomer and monomer negative pole ear on the monomer electricity core, and anodal ear of monomer and monomer negative pole ear are connected respectively on the positive pole and negative pole on the shell. The beneficial effects are that: 1, the pole piece adopts at least two monomer battery cell parallelly connected, can improve battery cell's capacity and energy, and the utmost point ear of monomer battery cell can be rolled over in the both sides of roll core with the mass flow body simultaneously, and space that the reduction occupy, limited space can all be used for the promotion of promotion capacity, favourable battery power density, 2, monomer electricity core adopts the configuration mode who convolutes, the stability and the security of the battery of improvement, and production efficiency is higher simultaneously, is favorable to the large -scale production.
Description
Technical field
This utility model is specifically related to a kind of square power battery.
Background technology
Lithium ion battery is due to advantages such as high-energy-density, high working voltage, long circulation life, environmental protections
It is widely used in various 3C Products such as mobile phone, panel computer, cameras.
Within these 2 years, due to the support energetically of country, lithium ion battery also takes in the field such as new-energy automobile and energy storage
Significant progress, but energy density and the power management on using on dynamic field, to electrokinetic cell
System is had higher requirement.
Square power battery at present, shell mainly uses aluminum hull or box hat, internal pole piece to use single pole piece,
The battery cell capacity of the most single pole piece does the highest, needs more connection in series-parallel, strengthens electric former management system
The difficulty controlled.The collector of the most single pole piece both sides extracted current uses the mode launched, and occupies very
Big space, energy density cannot do more.This utility model uses the mode that multipole core inner is in parallel,
The capacity of cell can be done height as far as possible, reduce string number of times also, reduce the difficulty of power management.
Monomer pole piece uses the mode of winding simultaneously, increases stability and the safety of battery, produces effect simultaneously
Rate is high, it is adaptable to large-scale production.Behind 4 angles of monomer pole piece collector excision, it is folded in the both sides of pole piece,
Reduce and launch the Dead space that collector takies, the energy density of battery can be promoted.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of raising monomer electricity
The capacity in pond and energy, minimizing take up room, promote the stability of battery and safety, improving production efficiency
With the square power battery promoting battery performance.
A kind of square power battery that this utility model describes, including shell and pole piece, pole piece is positioned at shell,
Wherein pole piece is provided with main anode ear and main negative electrode lug, main anode ear and main negative electrode lug and is connected on shell, pole
Core includes that at least two monomer battery core is formed in parallel, monomer battery core be provided with monomer anode ear and monomer negative pole
On positive pole that ear, monomer anode ear and monomer negative electrode lug are connected on shell and negative pole.
It addition, also there is following additional technical feature, root according to a kind of square power battery of the present utility model
According to embodiments more of the present utility model, the most further, the negative pole on described monomer negative electrode lug and shell it
Between be connected by main negative electrode lug,
Concrete further, described main negative pole lug welding is on negative pole.
Concrete further, it is connected by main anode ear between described monomer anode ear and the positive pole on shell.
Concrete further, described main anode ear is welded on positive pole.
Concrete further, described shell is square, and described shell can be box hat or aluminum hull.
Concrete further, described monomer negative electrode lug is copper nickel plating lug or nickel lug, and monomer anode ear is aluminum pole
Ear.
Concrete further, described monomer battery core includes that core, core side are provided with negative current collector, negative pole collection
On flow soldering monomer negative electrode lug and roll over the side in core, core opposite side is provided with plus plate current-collecting body, positive pole
Collector welds on monomer anode ear and rolls over another side in core and constitutes.
Concrete further, described negative current collector is copper foil, and plus plate current-collecting body is aluminium foil, negative pole currect collecting
Body and plus plate current-collecting body are positioned on core both sides, negative current collector and plus plate current-collecting body and are arranged with recess.
Concrete further, described core includes between positive plate and negative plate, positive plate and negative plate by barrier film
Separating insulation roll around forming, negative plate coating portion size is more than anode ear coating portion size, barrier film size
More than negative plate size, negative plate is connected with negative current collector, protrudes in core after negative current collector winding
Side, positive plate is connected with plus plate current-collecting body, protrudes at core opposite side after plus plate current-collecting body winding.
The beneficial effects of the utility model are: 1, pole piece uses at least two monomer battery core in parallel, Ke Yiti
The capacity of high monomer battery and energy, lug and the collector of monomer battery core can be rolled in the two of core simultaneously
Side, reduces the space taken, and limited space may serve to hoist capacity, favourable battery energy density
Promote；2, the frame mode of monomer battery core employing winding, the stability of the battery of raising and safety, with
Time production efficiency higher, beneficially large-scale production；3, monomer battery core uses the output of multilamellar collector simultaneously
Multi pole ears structure, advantageously reduce the high magnification high current charge-discharge of the internal resistance of battery, beneficially battery.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that core, negative current collector, plus plate current-collecting body, monomer negative electrode lug are connected with monomer anode ear
Structural representation.
Fig. 3 is the structural representation of core.
Fig. 4 is the cross section status architecture schematic diagram of core.
The icon explanation of the following drawings:
Monomer battery core 1；Main negative electrode lug 2；Main anode ear 3；Monomer negative electrode lug 4；Monomer anode ear 5；Negative
Pole collector 6；Plus plate current-collecting body 7；Barrier film 8；Negative plate 9；Positive plate 10；Core 11.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, its
In the most same or similar label represent same or similar element or there is same or like function
Element.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining this utility model,
And it is not intended that to restriction of the present utility model.
Below with reference to Fig. 1 to Fig. 4, a kind of square power battery according to this utility model embodiment, bag are described
Including shell and pole piece, pole piece is positioned at shell, and wherein pole piece is provided with main anode ear 3 and main negative electrode lug 2,
Main anode ear 3 and main negative electrode lug 2 are connected on shell, pole piece include at least two monomer battery core 1 in parallel and
Become, monomer battery core 1 be provided with monomer anode ear 5 and monomer negative electrode lug 4, monomer anode ear 5 and monomer
On positive pole that negative electrode lug 4 is connected on shell and negative pole.Wherein pole piece uses multiple monomer battery cores 1
Parallel connection, can improve capacity and the energy of cell, and lug and the collector of monomer battery core 1 are permissible simultaneously
Folding, in the both sides of core, reduces the space taken, and limited space may serve to hoist capacity, favorably electricity
The lifting of pond energy density.Wherein lug is divided into main anode ear 3 and main negative electrode lug 2 and collector to be divided into negative pole
Collector 6 and plus plate current-collecting body 7.
It addition, also there is following additional technical feature, root according to a kind of square power battery of the present utility model
According to embodiments more of the present utility model, the most further, described monomer negative electrode lug 4 and the negative pole on shell
Between be connected by main negative electrode lug 2, described main negative electrode lug 2 is welded on negative pole.Described monomer anode ear 5
And it is connected by main anode ear 3 between the positive pole on shell.Described main anode ear 3 is welded on positive pole.
Concrete further, described shell is square, and described shell can be box hat or aluminum hull.
Can be according to actual design, described monomer negative electrode lug 4 is copper nickel plating lug or nickel lug, monomer positive pole
Ear 5 is aluminium pole ears.
Concrete further, described monomer battery core 1 includes that core 11, core 11 side are provided with negative current collector
6, negative current collector 6 welds on monomer negative electrode lug 4 and rolls over the side in core 11, core 11 opposite side
Being provided with plus plate current-collecting body 7, plus plate current-collecting body 7 welds on monomer anode ear 5 and rolls at another of core 11
Side is constituted.
Concrete further, described negative current collector 6 is copper foil, and plus plate current-collecting body 7 is aluminium foil, negative pole
Collector 6 and plus plate current-collecting body 7 are positioned on core 11 both sides, negative current collector 6 and plus plate current-collecting body 7
It is arranged with recess.Described core 11 includes positive plate 10 and negative plate 9, positive plate 10 and negative plate 9
Between separated insulation roll around forming by barrier film 8, negative plate 9 coating portion size is more than anode ear 10 coating
Part size, barrier film 8 size is more than negative plate 9 size, and negative plate 9 is connected with negative current collector 6,
Protruding in core 11 side after negative current collector 6 winding, positive plate 10 is connected with plus plate current-collecting body 7,
Protrude at core 11 opposite side after plus plate current-collecting body 7 winding.Wherein monomer battery core 1 uses the structure of winding
Mode, the stability of the battery of raising and safety, production efficiency is higher simultaneously, beneficially large-scale production；
It addition, monomer battery core 1 uses the multi pole ears structure that multilamellar collector exports, advantageously reduce the internal resistance of battery,
Be conducive to the high magnification high current charge-discharge of battery.
Upper only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent or the improvement etc. made within the spirit of utility model and principle, should be included in
Within protection domain of the present utility model.
Claims (10)
1. a square power battery, including shell and pole piece, pole piece is positioned at shell, it is characterized in that: pole piece is provided with main anode ear (3) and main negative electrode lug (2), main anode ear (3) and main negative electrode lug (2) are connected on shell, pole piece includes that at least two monomer battery core (1) is formed in parallel, being provided with on the positive pole and negative pole that monomer anode ear (5) and monomer negative electrode lug (4), monomer anode ear (5) and monomer negative electrode lug (4) be connected on shell of monomer battery core (1).
A kind of square power battery the most according to claim 1, it is characterised in that: it is connected by main negative electrode lug (2) between described monomer negative electrode lug (4) and the negative pole on shell.
A kind of square power battery the most according to claim 2, it is characterised in that: described main negative electrode lug (2) is welded on negative pole.
A kind of square power battery the most according to claim 1, it is characterised in that: it is connected by main anode ear (3) between described monomer anode ear (5) and the positive pole on shell.
A kind of square power battery the most according to claim 1, it is characterised in that: described main anode ear (3) is welded on positive pole.
A kind of square power battery the most according to claim 1, it is characterised in that: described shell is square, and described shell can be box hat or aluminum hull.
A kind of square power battery the most according to claim 1, it is characterised in that: described monomer negative electrode lug (4) is copper nickel plating lug or nickel lug, and monomer anode ear (5) is aluminium pole ears.
A kind of square power battery the most according to claim 1, it is characterized in that: described monomer battery core (1) includes core (11), core (11) side is provided with negative current collector (6), negative current collector (6) welding monomer negative electrode lug (4) is upper and rolls over the side in core (11), core (11) opposite side is provided with plus plate current-collecting body (7), and plus plate current-collecting body (7) welding monomer anode ear (5) is upper and rolls over another side composition in core (11).
A kind of square power battery the most according to claim 8, it is characterized in that: described negative current collector (6) is copper foil, plus plate current-collecting body (7) is aluminium foil, negative current collector (6) and plus plate current-collecting body (7) are positioned on core (11) both sides, negative current collector (6) and plus plate current-collecting body (7) and are arranged with recess.
A kind of square power battery the most according to claim 8, it is characterized in that: described core (11) includes positive plate (10) and negative plate (9), insulation roll is separated around forming by barrier film (8) between positive plate (10) and negative plate (9), negative plate (9) coating portion size is more than positive plate (10) coating portion size, barrier film (8) size is more than negative plate (9) size, negative plate (9) is connected with negative current collector (6), protrude in core (11) side after negative current collector (6) winding, positive plate (10) is connected with plus plate current-collecting body (7), protrude at core (11) opposite side after plus plate current-collecting body (7) winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620213570.3U CN205543110U (en) | 2016-03-18 | 2016-03-18 | Square power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620213570.3U CN205543110U (en) | 2016-03-18 | 2016-03-18 | Square power battery |
Publications (1)
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|---|---|
| CN205543110U true CN205543110U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620213570.3U Active CN205543110U (en) | 2016-03-18 | 2016-03-18 | Square power battery |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293809A (en) * | 2017-08-01 | 2017-10-24 | 珠海格力电器股份有限公司 | A kind of soft bag lithium ionic cell and its manufacture method |
| CN107565172A (en) * | 2017-10-18 | 2018-01-09 | 山东圣阳电源股份有限公司 | A kind of lithium ion battery manufacture method |
| CN107887622A (en) * | 2017-11-06 | 2018-04-06 | 惠州亿纬锂能股份有限公司 | A kind of lithium ferrous disulfide battery and its assemble method |
| CN108417887A (en) * | 2018-05-21 | 2018-08-17 | 东莞塔菲尔新能源科技有限公司 | A kind of high power type lithium ion cell and preparation method thereof |
| CN111816800A (en) * | 2020-07-17 | 2020-10-23 | 河南平煤国能锂电有限公司 | Single battery with internal battery cores connected in series or in parallel in sequence |
-
2016
- 2016-03-18 CN CN201620213570.3U patent/CN205543110U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293809A (en) * | 2017-08-01 | 2017-10-24 | 珠海格力电器股份有限公司 | A kind of soft bag lithium ionic cell and its manufacture method |
| CN107565172A (en) * | 2017-10-18 | 2018-01-09 | 山东圣阳电源股份有限公司 | A kind of lithium ion battery manufacture method |
| CN107887622A (en) * | 2017-11-06 | 2018-04-06 | 惠州亿纬锂能股份有限公司 | A kind of lithium ferrous disulfide battery and its assemble method |
| CN107887622B (en) * | 2017-11-06 | 2020-01-07 | 惠州亿纬锂能股份有限公司 | Lithium-ferrous disulfide battery and assembling method thereof |
| CN108417887A (en) * | 2018-05-21 | 2018-08-17 | 东莞塔菲尔新能源科技有限公司 | A kind of high power type lithium ion cell and preparation method thereof |
| CN111816800A (en) * | 2020-07-17 | 2020-10-23 | 河南平煤国能锂电有限公司 | Single battery with internal battery cores connected in series or in parallel in sequence |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 528400 factory buildings 2, 3 and 4, Dongya area, Dazhe Industrial Park, Nanlang street, Zhongshan City, Guangdong Province Patentee after: ZHONGSHAN ZHONGWANGDE NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 1 / F and 2 / F, No.3 workshop, Dongya area, dache Industrial Park, Nanlang Town, Zhongshan City, Guangdong Province, 528400 Patentee before: ZHONGSHAN ZHONGWANGDE NEW ENERGY TECHNOLOGY Co.,Ltd. |