CN105811014A - Composite current collector plate for lithium-ion battery and application method of composite current collector plate - Google Patents
Composite current collector plate for lithium-ion battery and application method of composite current collector plate Download PDFInfo
- Publication number
- CN105811014A CN105811014A CN201610270566.5A CN201610270566A CN105811014A CN 105811014 A CN105811014 A CN 105811014A CN 201610270566 A CN201610270566 A CN 201610270566A CN 105811014 A CN105811014 A CN 105811014A
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- China
- Prior art keywords
- circle body
- ion battery
- lithium ion
- circle
- flow table
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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 composite current collector plate for a lithium-ion battery and an application method of the composite current collector plate. The composite current collector plate comprises a current collector plate body and an insulating sleeve, wherein the current collector plate body comprises a plate body; the plate body comprises a first surface and a second surface; the first surface faces a battery cell body; the second surface is opposite to the first surface; the insulating sleeve comprises a first ring body, a second ring body and a third ring body, which are sequentially arranged from the inside to the outside; the height of the first ring body is smaller than that of the second ring body; the height of the second ring body is smaller than that of the third ring body; the second ring body and the third ring body are closed ring bodies; the first ring body is a non-closed ring body; a gradient formed by the first ring body, the second ring body and the third ring body extends along the direction from the first surface to the battery cell body; and the first ring body of the insulating sleeve is fixed on the periphery of the plate body. The composite current collector plate provided by the invention is set through the structure of the insulating sleeve and the current collector plate body, so that the composite current collector plate does not easily shake or fall off, and diversion is even.
Description
Technical field
The present invention relates to a kind of lithium ion battery Composite Set flow table and using method thereof, 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, and 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 then contrary.Telecommunications, the development, particularly mobile phone of information market and a large amount of of notebook computer use, and bring the market opportunity to lithium ion battery.In current commercial secondary cell, 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, long service life, 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 increases faster.
It addition, the electronic lithium ion battery of Large Copacity is on probation in electric automobile, and it is applied in 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 of inside battery structure is proposed higher requirement.
At present, in the production of lithium ion battery, need to install insulation sleeve additional at battery core two ends after current collecting plates welding, to prevent current collecting plates from contacting with housing, the unnecessary of cover plate, simultaneously work as battery core and fix the effect of anti-high vibration, but insulation sleeve assembly process bothers, and manual operations easily entrains impurity, assemble improper meeting and cause that insulation, fixed effect reduce, affect battery security and concordance.
Summary of the invention
Above-mentioned technical problem for prior art; it is an object of the invention to provide a kind of lithium ion battery Composite Set flow table; the assembly process of this current collecting plates is simple; low cost of manufacture; battery conductive performance improves a lot; and the end of battery core body can be stably fixed to, it is achieved and the insulation protection to battery core body, significantly improve concordance and the safety of battery performance.
For reaching above-mentioned purpose, the present invention is achieved by the following technical solutions:
A kind of lithium ion battery Composite Set flow table, including current collecting plates body and insulation sleeve；Described current collecting plates body includes disk body, and described disk body includes 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 that 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；First circle body of described insulation sleeve is fixed on the periphery of described disk 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, 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 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.
According to the present invention, the side integral type of described disk body or the split type urosome that is connected to, 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, described current collecting plates body is conduction, metal prepare；Described insulation sleeve is insulation, elastic or soft or hard material prepare, such as plastics or rubber etc..
Present invention also offers techniques below scheme:
The using method of above-mentioned lithium ion battery Composite Set flow table, comprises the following steps: be set on the battery core body of lithium ion battery by described Composite Set flow table, and wherein, the first surface of described disk body is connected with battery core body.
According to the present invention, the first surface of described disk body is connected by welding manner with battery core body, and described solder joint is evenly distributed on described afflux district.
According to the present invention, described afterbody is connected with other parts of lithium ion battery by described installing hole, is connected with the cover plate of lithium ion battery as passed through to weld.
The Composite Set flow table of the present invention has the advantages that
Current collecting plates body in the present invention is conduction, and insulation sleeve is insulation, it is possible to being effectively prevented current collecting plates and cover plate and hang together short circuit, described urosome is connected with cover plate, and electric current is next by battery core body, current collecting plates, cover plate derivation.Visible, the Composite Set flow table of the present invention integrates water conservancy diversion and insulation function, and assembly process is simple, and low cost of manufacture, insulation and the electric conductivity of battery all improve a lot.
It addition, the aspect ratio outer cover height of battery core body in general lithium ion battery is low, it does not have immobilization, battery core body rocks in housing, it is easy to pull apart current collecting plates urosome, destroys battery core.The insulation sleeve of the present invention is except fixed set flow table, it is also possible to fixing battery core body (namely can block battery core body), it is prevented that it rocks, and both are combined, and Simplified flowsheet is easy to assembly, saves artificial material resources.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Composite Set flow table of the present invention；
Fig. 2 is the structural representation of the current collecting plates body of the present invention；
Wherein, 11 it is the first circle body, 12 is the second circle body, 13 is the 3rd circle body；
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 lithium ion battery Composite Set flow table of the present invention includes current collecting plates body and insulation sleeve.
As depicted in figs. 1 and 2, described current collecting plates body includes disk body 21, disk body 21 is tetragon (such as square, rhombus etc.), circular (shown in Fig. 2 is a kind of circular disk body) or ellipse, it is possible to select different shapes according to actual needs.The center of described disk body 21 is provided with hole 22, described disk body 21 includes the first surface towards battery core body and second surface corresponding thereto, described second surface is provided with several raised lines 23, and disk body 21 is divided into the afflux district 24 of several area equation by described raised line.Being provided with three raised lines 23 as in figure 2 it is shown, outwards 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.During use, it is connected with battery core body by welding the first surface of the disk body making described current collecting plates；Owing to its solder joint is evenly distributed so that the guide performance of battery is very good.
As shown in Figure 1, the insulation sleeve of the present invention includes the first circle body 11 set gradually from inside to outside, second circle body 12 and the 3rd circle body 13, the height of described first circle body 11 is less than the height of the second circle body 12, the height of described second circle body 12 is less than the height of the 3rd circle body 13, the second described circle body 12 and the 3rd circle body 13 are closed circle body, described first circle body 11 is non-enclosed circle body, described first circle body 11, the gradient that second circle body 12 and the 3rd circle body 13 are formed at least extends (in Fig. 1 not shown along described first surface to the direction of battery core body, but it is symmetrical with the gradient-structure in Fig. 1)；First circle body 11 of described insulation sleeve is fixed on the periphery of described disk body 21.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 prepared by elastic or soft or hard material, such as plastics or rubber etc..First circle body 11 is non-enclosed circle body, its indentation, there is have the first elastic, foldable, to have certain altitude difference circle body 12 and the second circle body 13, go for the battery core body of different-diameter on the one hand, on the other hand, if battery core body diameter has only to time too small fold barbed portion, greatly strengthen its versatility.Further, as it is 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, as extended to cover plate direction；So arranging can advantageously in the insulation of described current collecting plates and stable setting.The present invention is by setting the insulation sleeve of described structure; what ensure that between current collecting plates with the end of battery core body and battery miscellaneous part fixing is connected and insulation protection; greatly enhancing stability, battery core body and current collecting plates all not easily rock or drop, and insulation effect is good.
As depicted in figs. 1 and 2, the disk body 21 of the current collecting plates of the present invention is connected to shown in urosome 25, Fig. 2 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 the second surface of disk body 21, and urosome 25 is provided with installing hole 26.Installing hole 26 for being connected (such as welding) with other parts (such as cover plate) of battery, and this part is not the protected content of the present invention, does not repeat herein.
Above-described embodiment is only for illustrating the inventive concept of the present invention, but not the restriction to rights protection of the present invention, all changes utilizing this design that the present invention carries out unsubstantiality, protection scope of the present invention all should be fallen into.
Claims (10)
1. a lithium ion battery Composite Set flow table, it is characterised in that described Composite Set flow table includes current collecting plates body and insulation sleeve；Described current collecting plates body includes disk body, and described disk body includes 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 that 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；First circle body of described insulation sleeve is fixed on the periphery of described disk body.
2. lithium ion battery Composite Set flow table 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, the center of described disk body is provided with hole, and described second surface 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.
3. lithium ion battery Composite Set flow table according to claim 1 and 2, 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.
4. the lithium ion battery Composite Set flow table according to any one of claim 1-3, it is characterised in that the side integral type of described disk body or the split type urosome that is connected to, described urosome can bend arbitrarily angled to be folded into the second surface of described disk body.
5. lithium ion battery Composite Set flow table according to claim 4, it is characterised in that described urosome is provided with installing hole, for being connected with other parts of battery.
6. the lithium ion battery Composite Set flow table according to any one of claim 1-5, it is characterised in that described current collecting plates body is conduction, metal prepare.
7. the lithium ion battery Composite Set flow table according to any one of claim 1-6, it is characterised in that described insulation sleeve is insulation, elastic or soft or hard material prepare, such as plastics or rubber etc..
8. the using method of Composite Set flow table of the lithium ion battery described in any one of claim 1-7, comprises the following steps: be set on the battery core body of lithium ion battery by described Composite Set flow table, and wherein, the first surface of described disk body is connected with battery core body.
9. using method according to claim 8, it is characterised in that the first surface of described disk body is connected by welding manner with battery core body, described solder joint is evenly distributed on described afflux district.
10. using method according to claim 8 or claim 9, it is characterised in that described afterbody is connected with other parts of lithium ion battery by described installing hole, is connected with the cover plate of lithium ion battery as passed through to weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610270566.5A CN105811014B (en) | 2016-04-27 | 2016-04-27 | A kind of lithium ion battery Composite Set flow table and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610270566.5A CN105811014B (en) | 2016-04-27 | 2016-04-27 | A kind of lithium ion battery Composite Set flow table and its application method |
Publications (2)
| Publication Number | Publication Date |
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| CN105811014A true CN105811014A (en) | 2016-07-27 |
| CN105811014B CN105811014B (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610270566.5A Expired - Fee Related CN105811014B (en) | 2016-04-27 | 2016-04-27 | A kind of lithium ion battery Composite Set flow table and its application method |
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| CN (1) | CN105811014B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088037A (en) * | 2018-06-22 | 2018-12-25 | 合肥国轩高科动力能源有限公司 | A kind of cylindrical battery current collecting plates welding structure |
| 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 |
| CN116581496A (en) * | 2023-07-12 | 2023-08-11 | 深圳海辰储能控制技术有限公司 | Current collecting disc protective sleeve, battery and electric equipment |
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| CN205583072U (en) * | 2016-04-27 | 2016-09-14 | 浙江谷神能源科技股份有限公司 | Lithium ion battery is with compound current collector plate |
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2016
- 2016-04-27 CN CN201610270566.5A patent/CN105811014B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN103107293A (en) * | 2011-11-15 | 2013-05-15 | 通用电气公司 | Electrochemical battery, shell and manufacture method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088037A (en) * | 2018-06-22 | 2018-12-25 | 合肥国轩高科动力能源有限公司 | A kind of cylindrical battery current collecting plates welding structure |
| 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 |
| CN116581496A (en) * | 2023-07-12 | 2023-08-11 | 深圳海辰储能控制技术有限公司 | Current collecting disc protective sleeve, battery and electric equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105811014B (en) | 2018-08-24 |
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Granted publication date: 20180824 |