CN105826597A - Battery cell - Google Patents
Battery cell Download PDFInfo
- Publication number
- CN105826597A CN105826597A CN201610273334.5A CN201610273334A CN105826597A CN 105826597 A CN105826597 A CN 105826597A CN 201610273334 A CN201610273334 A CN 201610273334A CN 105826597 A CN105826597 A CN 105826597A
- Authority
- CN
- China
- Prior art keywords
- circle body
- circle
- battery core
- lithium ion
- battery
- 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.)
- Granted
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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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
-
- 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
Abstract
The invention relates to a battery cell for a lithium ion battery. The battery cell comprises a battery cell body, wherein a flow collecting plate is mounted at an end part of the battery cell body; an insulation sleeve is arranged on the periphery of the flow collecting plate; the flow collecting plate comprises a plate body; the plate body comprises a first surface facing to the battery cell body and a second surface opposite to the first surface; the insulation sleeve comprises a first circle, a second circle and a third circle which are successively arranged from inner to outer; the height of the first circle is less than the height of the second circle; the height of the second circle is less than the height of the third circle; the second circle and the third circle both are arranged as closed circles; the first circle is arranged as a non-closed circle; the gradient formed by the first circle, the second circle and the third circle extends along the direction of the first surface toward the battery cell body. According to the invention, the stable connection of the flow collecting plate and the end of the battery cell is realized through the insulation sleeve with such a structure, the battery cell is difficult to shake or fall off and the insulation protection for the battery cell is effectively realized.
Description
Technical field
The present invention relates to a kind of battery core, belong to the technical field of lithium ion battery.
Background technology
Lithium ion battery is a kind of secondary cell (also referred to as rechargeable battery), in charge and discharge process, Li+Come and go between two electrodes and embed and deintercalation；During charging, Li+From positive pole deintercalation, embedding negative pole through electrolyte, negative pole is in rich lithium state；During electric discharge the most contrary.Telecommunications, a large amount of uses of the development of information market, particularly mobile phone and notebook computer, bring the market opportunity to lithium ion battery.In the secondary cell of current commercialization, the specific energy of lithium ion battery is the highest, it is possible to achieve the thin type of secondary cell；It addition, just because of the energy density per unit volume of lithium ion battery and specific energy are high, service life is long, and security performance is good, simple process, can fill and pollution-free, possesses the various features of present battery industrial development, therefore has in developed country and increase faster.
It addition, the electronic lithium ion battery of Large Copacity is on probation in electric automobile, and it is applied in terms of artificial satellite, Aero-Space and energy storage.
As lithium ion battery, the especially electronic lithium ion battery of Large Copacity, it is in movement, quiveringly duty more, therefore the stability to inside battery structure proposes higher requirement.
At present, there is following defect in lithium ion battery:
1, seal structure is complicated, cost is high, and the end being fixed on battery core body is not sufficiently stable, and easily rocks or drops；
2, battery guiding device is generally strip of metal, electric current is derived from strip of metal, and strip of metal one rule must be welded on battery core body by this type of guiding device when mounted, welds inconvenient, and the distribution of water conservancy diversion point is the most uneven, result in battery guide performance the best.
Summary of the invention
For the above-mentioned technical problem of prior art, it is an object of the invention to provide a kind of lithium ion battery battery core, the insulation sleeve of this battery core body end is installed stable, and current collecting plates water conservancy diversion is uniform, easy for installation.
For reaching above-mentioned purpose, the present invention is achieved by the following technical solutions:
A kind of lithium ion battery battery core, including battery core body, the end of described battery core body is provided with current collecting plates, and the periphery of described current collecting plates is provided with insulation sleeve；
Described current collecting plates includes that disk body, described disk body include the first surface towards battery core body and second surface corresponding thereto；
Described insulation sleeve includes the first circle body, the second circle body and the 3rd circle body set gradually from inside to outside, the height of described first circle body is less than the height of the second circle body, the height of described second circle body is less than the height of the 3rd circle body, the second described circle body and the 3rd circle body are closed circle body, described first circle body is non-enclosed circle body, and the gradient that described first circle body, the second circle body and the 3rd circle body are formed extends along described first surface to the direction of battery core body.
According to the present invention, arrange or split type setting for integral type between described first circle body and the second circle body, between the second circle body and the 3rd circle body.
According to the present invention, described insulation sleeve is insulation, elastic or soft or hard material prepare, such as plastics or rubber etc..
According to the present invention, the center of described disk body is provided with hole, and the second surface of described disk body is provided with several raised lines, and disk body is divided into the afflux district of several area equation by described raised line.
According to the present invention, described disk body is tetragon, circular or oval.
According to the present invention, the side integral type of described disk body or split type connection have urosome, and described urosome can bend arbitrarily angled to be folded into the second surface of described disk body.Described urosome is provided with installing hole, for being connected (such as welding) with other parts (such as cover plate) of battery.
According to the present invention, the gradient that described first circle body, the second circle body and the 3rd circle body are formed also extends along described second surface to the direction of other parts of battery, as extended to cover plate direction.
In one embodiment of the invention, the first circle body of described insulation sleeve is fixed on the periphery of described disk body.
In another embodiment of the invention, in described first lap body, side surface is provided with several protruding assemblies；Distance between described each protruding assembly is identical or different.Such as, described each protruding assembly is set gradually to opposite side by the interior side of the opening of described first circle body, and the distance between each protruding assembly is identical or increases successively.
According to the present invention, described protruding assembly is insulation, elastic or soft or hard material prepare, such as plastics or rubber etc..
According to the present invention, the first surface of described disk body is made to be connected with battery core body by welding.Owing to its solder joint is evenly distributed so that the guide performance of battery is the best.
The battery core of the present invention has the advantages that
1, the insulation sleeve in the present invention both can be stably connected with described current collecting plates by described first circle body; can be stably connected with by the end of described second circle body and the 3rd circle body with battery core body again; so structure of design; make described insulation sleeve be not easy to rock or drop, effectively achieve the insulation protection to battery core.
2, the present invention is provided with protruding assembly further in the first lap body of insulation sleeve, makes described insulation sleeve more stable with fixing of the end of current collecting plates and battery core body.
3, the end of battery core body it is welded on when the current collecting plates in the present invention uses by Laser Welding (spot welding), electric current is derived by solder joint, owing to its solder joint is evenly distributed so that the guide performance of battery is the best, and the more traditional guiding device of the present invention is installed very convenient.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the current collecting plates in one embodiment of the present invention and insulation sleeve combination, and the first circle body of wherein said insulation sleeve is fixed on the periphery of described disk body；
Fig. 2 is the structural representation of a kind of insulation sleeve of the present invention；
Fig. 3 is the structural representation of a kind of current collecting plates of the present invention；
Wherein, 11 be the first circle body, 12 be the second circle body, 13 be the 3rd circle body, 14 be first protruding, 15 be second protruding, 16 be the 3rd protruding；
21 be disk body, 22 be hole, 23 be raised line, 24 be afflux district, 25 be urosome, 26 for installing hole.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
The battery core of the present invention includes that battery core body, the end of described battery core body are provided with current collecting plates, and the periphery of described current collecting plates is provided with insulation sleeve.
As it is shown on figure 3, the current collecting plates of the present invention includes that disk body 21, described disk body include the first surface towards battery core body and second surface corresponding thereto.Described disk body 21 is tetragon (such as square, rhombus etc.), circular (shown in Fig. 3 is a kind of circular disk body) or ellipse, can select different shapes according to actual needs.The center of disk body 21 is provided with hole 22, and the second surface of disk body 21 is provided with several raised lines 23, and disk body 21 is divided into the afflux district 24 of several area equation by raised line 23.Being provided with three raised lines 23 as it is shown on figure 3, the most radial from the periphery in hole 22 on the second surface of described disk body 21, disk body 21 is divided into the fan-shaped afflux district 24 of three area equation by raised line 23.The first surface being made described disk body by welding is connected with battery core body；Owing to its solder joint is evenly distributed so that the guide performance of battery is the best.Disk body 21 connects urosome 25, and shown in Fig. 3 is the structure that is connected with disk body 21 integral type of described urosome 25.Urosome 25 can bend arbitrarily angled to be folded into from the second surface of disk body 21, and urosome 25 is provided with installing hole 26.Installing hole 26 is for being connected with other parts (such as cover plate) of battery, and this part is not the protection content of the present invention, does not repeats.
As shown in Figure 2, the insulation sleeve of the present invention includes the first circle body the 11, second circle body 12 and the 3rd circle body 13 set gradually from inside to outside, the height of the first circle body 11 is less than the height of the second circle body 12, the height of the second circle body 12 is less than the height of the 3rd circle body 13, second circle body 12 and the 3rd circle body 13 are closed circle body, first circle body 11 is non-enclosed circle body, and the gradient that described first circle body the 11, second circle body 12 and the 3rd circle body 13 are formed extends along described first surface to the direction of battery core body.Arrange or split type setting for integral type between described first circle body and the second circle body, between the second circle body and the 3rd circle body.Described insulation sleeve is insulation, elastic or soft or hard material prepare, such as plastics or rubber etc..First circle body 11 is non-enclosed circle body, its indentation, there is the first circle body 12 and the second circle body 13 that tool is resilient, foldable, have certain altitude difference, on the one hand the battery core body of different-diameter is gone for, on the other hand, if battery core body diameter has only to time too small fold barbed portion, greatly strengthen its versatility.As shown in Figure 1, the gradient that described first circle body, the second circle body and the 3rd circle body are formed also extends along described second surface to the direction of other parts of battery, extended to cover plate direction (not shown in Fig. 1 " as described in the gradient that formed of first circle body the 11, second circle body 12 and the 3rd circle body 13 along as described in first surface extend to the direction of battery core body ", but be symmetrical with the gradient-structure in Fig. 1).In addition, in order to increase described insulation sleeve and current collecting plates and the stability of the end of battery core body further, as shown in Figure 2, the first circle body 11 inner surface in the present invention is provided with several protruding assemblies and (includes the first projection 14, second projection 15 and the 3rd projection 16 etc.), described each protruding assembly (14, 15, 16) set gradually to opposite side by the interior side of the opening of described first circle body 11, each protruding assembly (14, 15, 16) distance between increases (distance between distance ＜ second protruding 16 and the 3rd projection 17 between the first protruding 15 and second projection 16) successively；Described protruding assembly is insulation, elastic or soft or hard material prepare, such as plastics or rubber etc..By such setting, the disk body of described current collecting plates can be fastened on described protruding assembly, can also be fastened on the first circle body and be fixed by described protruding assembly, further enhancing described insulation sleeve to be connected with the fixing of the end of current collecting plates and battery core body, greatly enhancing the stability of battery core, battery core body and current collecting plates are all difficult to rock or drop.
Showing the current collecting plates of a kind of present invention and the compound mode of insulation sleeve in Fig. 1, as shown in FIG., the disk body of described current collecting plates is directly anchored on the first circle body of described insulation sleeve.
Above-described embodiment is only used for illustrating the inventive concept of the present invention, rather than the restriction to rights protection of the present invention, all changes utilizing this design that the present invention carries out unsubstantiality, all should fall into protection scope of the present invention.
Claims (10)
1. a lithium ion battery battery core, including battery core body, it is characterised in that the end of described battery core body is provided with current collecting plates, and the periphery of described current collecting plates is provided with insulation sleeve；
Described current collecting plates includes that disk body, described disk body include the first surface towards battery core body and second surface corresponding thereto；
Described insulation sleeve includes the first circle body, the second circle body and the 3rd circle body set gradually from inside to outside, the height of described first circle body is less than the height of the second circle body, the height of described second circle body is less than the height of the 3rd circle body, the second described circle body and the 3rd circle body are closed circle body, described first circle body is non-enclosed circle body, and the gradient that described first circle body, the second circle body and the 3rd circle body are formed extends along described first surface to the direction of battery core body.
Lithium ion battery battery core the most according to claim 1, it is characterised in that arrange or split type setting for integral type between described first circle body and the second circle body, between the second circle body and the 3rd circle body.
Preferably, described insulation sleeve is insulation, elastic or soft or hard material prepare, such as plastics or rubber etc..
Lithium ion battery battery core the most according to claim 1 and 2, it is characterised in that the center of described disk body is provided with hole, the card of described disk body is provided with several raised lines, and disk body is divided into the afflux district of several area equation by described raised line.
Preferably, described disk body is tetragon, circular or oval.
Lithium ion battery battery core the most according to claim 3, it is characterised in that the side integral type of described disk body or split type connection have urosome, described urosome can bend arbitrarily angled to be folded into the second surface of described disk body.
Preferably, described urosome is provided with installing hole, for being connected (such as welding) with other parts (such as cover plate) of battery.
5. according to the lithium ion battery battery core described in any one of claim 1-4, it is characterised in that the gradient that described first circle body, the second circle body and the 3rd circle body are formed also extends along described second surface to the direction of other parts of battery, as extended to cover plate direction.
6. according to the lithium ion battery battery core described in any one of claim 1-5, it is characterised in that the first circle body of described insulation sleeve is fixed on the periphery of described disk body.
7. according to the lithium ion battery battery core described in any one of claim 1-5, it is characterised in that in described first lap body, side surface is provided with several protruding assemblies；Distance between described each protruding assembly is identical or different.
Lithium ion battery battery core the most according to claim 7, it is characterised in that described each protruding assembly is set gradually to opposite side by the interior side of the opening of described first circle body, and the distance between each protruding assembly is identical or increases successively.
9. according to the lithium ion battery battery core described in claim 7 or 8, it is characterised in that described protruding assembly is insulation, elastic or soft or hard material prepare, such as plastics or rubber etc..
10. according to the lithium ion battery battery core described in any one of claim 1-9, it is characterised in that made the first surface of described disk body be connected with battery core body by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273334.5A CN105826597B (en) | 2016-04-27 | 2016-04-27 | A kind of battery core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273334.5A CN105826597B (en) | 2016-04-27 | 2016-04-27 | A kind of battery core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105826597A true CN105826597A (en) | 2016-08-03 |
| CN105826597B CN105826597B (en) | 2018-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610273334.5A Expired - Fee Related CN105826597B (en) | 2016-04-27 | 2016-04-27 | A kind of battery core |
Country Status (1)
| Country | Link |
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| CN (1) | CN105826597B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360932A (en) * | 2018-11-19 | 2019-02-19 | 国轩新能源（苏州）有限公司 | A kind of current collecting plates for the full tab lithium ion battery of cylinder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005127A (en) * | 2006-01-20 | 2007-07-25 | 深圳市比克电池有限公司 | Winding type battery |
| US20110244280A1 (en) * | 2010-03-30 | 2011-10-06 | Sang-Won Byun | Secondary battery |
| CN102332544A (en) * | 2010-12-31 | 2012-01-25 | 东莞新能源科技有限公司 | Lithium ion battery and safety cap thereof |
| CN104218264A (en) * | 2014-03-14 | 2014-12-17 | 深圳市倍特力电池有限公司 | Nickel-hydrogen battery and manufacturing method thereof |
| CN205583055U (en) * | 2016-04-27 | 2016-09-14 | 浙江谷神能源科技股份有限公司 | Battery cell |
-
2016
- 2016-04-27 CN CN201610273334.5A patent/CN105826597B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005127A (en) * | 2006-01-20 | 2007-07-25 | 深圳市比克电池有限公司 | Winding type battery |
| US20110244280A1 (en) * | 2010-03-30 | 2011-10-06 | Sang-Won Byun | Secondary battery |
| CN102332544A (en) * | 2010-12-31 | 2012-01-25 | 东莞新能源科技有限公司 | Lithium ion battery and safety cap thereof |
| CN104218264A (en) * | 2014-03-14 | 2014-12-17 | 深圳市倍特力电池有限公司 | Nickel-hydrogen battery and manufacturing method thereof |
| CN205583055U (en) * | 2016-04-27 | 2016-09-14 | 浙江谷神能源科技股份有限公司 | Battery cell |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360932A (en) * | 2018-11-19 | 2019-02-19 | 国轩新能源（苏州）有限公司 | A kind of current collecting plates for the full tab lithium ion battery of cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105826597B (en) | 2018-08-24 |
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Granted publication date: 20180824 |