CN100541865C - The electric core conductive connection structure of serondary lithium battery - Google Patents
The electric core conductive connection structure of serondary lithium battery Download PDFInfo
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- CN100541865C CN100541865C CNB2006101270304A CN200610127030A CN100541865C CN 100541865 C CN100541865 C CN 100541865C CN B2006101270304 A CNB2006101270304 A CN B2006101270304A CN 200610127030 A CN200610127030 A CN 200610127030A CN 100541865 C CN100541865 C CN 100541865C
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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
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- Y02E60/10—Energy storage using batteries
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Abstract
A kind of electric core conductive connection structure of serondary lithium battery, this electricity core is located at a battery can inside, the present invention is especially between the negative or positive electrode leading-out terminal on this electricity core and this battery can, seeing through a conducting connecting part links as conduction, this conducting connecting part is made of an at least one gim peg and a conduction compressing tablet, this conduction compressing tablet is a flexure member, its two end respectively forms a connecting end, then be shaped to a junction between two connecting ends, the negative or positive electrode that the corresponding setting of two connecting ends of this conduction compressing tablet is positioned at this electricity core connects the outside in district, and see through this gim peg and make this connecting end and negative or positive electrode connect district's closely contact and electrical combination mutually, this connecting portion then with battery can on the negative or positive electrode leading-out terminal do electrically to connect, even mat makes the error that dimensions length is arranged between this electricity core and the battery can, the group of finishing battery around the property buffering smoothly that also can see through this conducting connecting part is established.
Description
Technical field
A kind of electric core conductive connection structure of serondary lithium battery is meant the electric core of serondary lithium battery inside and the link structure design between the negative or positive electrode leading-out terminal on the battery can especially.
Background technology
See also shown in Figure 1, this is the pole coiling conductive structure patent application case of the secondary lithium electricity of No. the 11/456119th, the U.S. patent application case that proposed before this case inventor, this application case mainly is to improve conventional batteries utmost point volume structure, must first moulding or be welded with most conduction handles after, weld or be connected to the leading-out terminal of battery more one by one, the processing procedure problem of being derived, as: weld job time-consumingly take a lot of work, problems such as element structure complexity, processing procedure difficulty complexity.
Therefore, as shown in Figure 1, in this application case, this utmost point volume 10 just, negative electrode layer one is distolateral, be integrally formed with large-area positive pole and negative pole and connect district 111,112, and form a large-area conduction pooling zone 121 in the middle section of this leading-out terminal 12, be positioned at after 121 groups of this conduction pooling zones are established with negative or positive electrode and connect district 111,112 corresponding sections, see through a constriction assembly 13 again and connect district 111 in negative or positive electrode with its compressing tablet 131 folder establishing set, 112 outside, and see through this compressing tablet 131 and carry out this negative or positive electrode and connect district 111,112 contact operation with the pressing of this pooling zone 121, mat connects between each floor in district 111 112 negative or positive electrode of this utmost point volume 10 and fits tightly mutually, and negative or positive electrode is connected distinguish 111,112 do electrically to contact closely combination with this pooling zone 121.
It should be noted that, each member in the aforementioned serondary lithium battery structure, its specification must be needed as quite accurate, otherwise if the overall height dimension of this battery can is to some extent during error, or this center bar and this leading-out terminal height dimension after linking is to some extent during error, the problem that can't correctly assemble can take place in the assembling of then electric core and battery can, for example: when the too short or electric core whole height of the whole height of battery can is long, then the battery cover can be interfered by electric core and can't with the tank body driving fit cover the group establish, also or, when the height after the whole group of electric core is established is too short, can cause electric core one end can be smoothly and battery can one end group establish, end is then because of the too short problem that can't establish with the correct lock of battery cover in addition;
Through above explanation as can be known, though this invention technology solves and simplifies the problem of the conductive handle conductive connection complex procedures of electric core, but still having member to form on the practice must be quite accurate, otherwise the shortcoming of assembly smoothly, therefore, this case inventor further develops the electric core connecting structure of this case, and electric core connecting structure is adjusted design slightly, make it can break through the problem that scantling has long and short error slightly, and more realistic demand.
Summary of the invention
Main purpose of the present invention, be to provide a kind of electric core conductive connection structure of serondary lithium battery, the present invention sees through a conducting connecting part and links as the conduction between the negative or positive electrode leading-out terminal on this electricity core and this battery can, this conducting connecting part is made of an at least one gim peg and a conduction compressing tablet, this conduction compressing tablet is a flexure member, the negative or positive electrode that the corresponding setting of this conduction compressing tablet is positioned at this electricity core connects the outside in district, seeing through this gim peg makes this conduction compressing tablet and negative or positive electrode connect the tight mutually pressing in district and electrically combination, the electrically connection of negative or positive electrode leading-out terminal do that connecting portion is then distolateral with battery can, even mat makes the error that dimensions length is arranged between this electricity core and the battery can, the group of finishing battery around the property buffering smoothly that also can see through this conducting connecting part is established.
Another object of the present invention, be to provide a kind of electric core conductive connection structure of serondary lithium battery, the present invention sees through the connecting end of this conduction compressing tablet, and each floor that negative or positive electrode direct and this utmost point volume connects the district carries out the binding of pressing conduction, and directly conduct electricity binding with the negative or positive electrode leading-out terminal of the connecting portion of this conduction compressing tablet and battery, member of the present invention and structure form quite simplify and the electrical ties structure quite direct, can effectively reduce the internal driving of battery.
Means of the present invention for achieving the above object are: a kind of electric core conductive connection structure of serondary lithium battery, mainly being provided with a conducting connecting part in the end of an electric core constitutes, and see through this conducting connecting part and make electrically connect with the negative or positive electrode leading-out terminal of this battery can respectively, this electricity core, by a center bar, one utmost point volume and two constriction assemblies constitute, this utmost point volume is with at least one anodal layer, at least one separator and at least one negative electrode layer are repeatedly put the outside that is wound in center bar in regular turn mutually and are constituted, distolateral positive pole that is provided with a uncoated positive electrode coating in this positive pole floor connects the district, it is distolateral to connect another of district in this negative electrode layer with respect to positive pole, a negative pole that then is provided with a uncoated negative pole coating connects the district, and makes this positive pole and negative pole connect the district rolling up two distolateral protruding out from the utmost point respectively and expose;
This conducting connecting part, have at least one gim peg and at least one conduction compressing tablet, this conduction compressing tablet is a conduction and the flexure member that is shaped to warp architecture, two ends of this conduction compressing tablet respectively are shaped to a connecting end, then be shaped to a junction between two connecting ends, the corresponding configuration of this conduction compressing tablet is positioned at the outside that this negative or positive electrode connects the district, the perforation of passing this conduction compressing tablet through this gim peg earlier is fixedly arranged on this center bar again, and making this conduction compressing tablet and negative or positive electrode connect district's closely contact and electrically combination mutually, connecting portion is then done electrically to connect with the distolateral negative or positive electrode leading-out terminal of battery can.
This center bar end is provided with a conductive sleeve.
This battery can is the circular batteries jar.
This battery can is the rectangular cell jar.
This electricity core is set up two electric-conductors after being located in the rectangular cell jar, connects this conduction compressing tablet with an end of this electric-conductor, holds in addition then to connect the negative or positive electrode leading-out terminal.
Beneficial effect of the present invention is: the present invention sees through a conducting connecting part and links as the conduction between the negative or positive electrode leading-out terminal on this electricity core and this battery can, this conducting connecting part is made of an at least one gim peg and a conduction compressing tablet, this conduction compressing tablet is a flexure member, the negative or positive electrode that the corresponding setting of this conduction compressing tablet is positioned at this electricity core connects the outside in district, seeing through this gim peg makes this conduction compressing tablet and negative or positive electrode connect the tight mutually pressing in district and electrically combination, the electrically connection of negative or positive electrode leading-out terminal do that connecting portion is then distolateral with battery can, even mat makes the error that dimensions length is arranged between this electricity core and the battery can, the group of finishing battery around the property buffering smoothly that also can see through this conducting connecting part is established.
The present invention sees through the connecting end of this conduction compressing tablet, and each floor that negative or positive electrode direct and this utmost point volume connects the district carries out the binding of pressing conduction, and directly conduct electricity binding with the negative or positive electrode leading-out terminal of the connecting portion of this conduction compressing tablet and battery, member of the present invention and structure form quite simplify and the electrical ties structure quite direct, can effectively reduce the internal driving of battery.
Description of drawings
The electric core of No. 11/456119 application case of Fig. 1 United States Patent (USP) is installed in battery can state cross-sectional schematic.
Fig. 2 structural upright decomposing schematic representation of the present invention.
Fig. 3 structure of the present invention is amplified schematic perspective view in conjunction with the part.
Fig. 4 the present invention electricity core is located at circular batteries jar internal state cross-sectional schematic.
Fig. 5 the present invention is in the center bar two distolateral conductive sleeve structure cross-sectional schematic of respectively setting up.
Fig. 6 the present invention electricity core is located at square battery jar internal state cross-sectional schematic.
The explanation of primary clustering figure number
10 utmost points are rolled up 111 positive poles and are connected the district
112 negative poles connect district's 12 leading-out terminals
121 pooling zones, 13 constriction assemblies
131 compressing tablets
20 battery cans, 21 anodal leading-out terminals
22 negative pole leading-out terminals, 30 electric cores
31 center bars, 32 utmost points volume
321 anodal layer 322 separator
323 negative electrode layers, 331 positive poles connect the district
332 negative poles connect district's 40 conducting connecting parts
41 gim pegs, 42 conduction compressing tablets
422 perforation of 421 connecting ends
423 connecting portions, 50 conductive sleeves
60 electric-conductors
Embodiment
About the present invention for reaching above-mentioned purpose, the technology that is adopted, means and effect, lift a preferable possible embodiments now and cooperate graphic detailed description as after; At first, please cooperate and consult Fig. 2, Fig. 3, shown in Figure 4, the electric core conductive connection structure of a kind of serondary lithium battery that the embodiment of the invention provided, the main conducting connecting part 40 that is provided with in the end of an electric core 30, and see through this conducting connecting part 40 and make electrically connect with the negative or positive electrode leading-out terminal 21,22 of this battery can 20, wherein:
This electricity core 30, constitute by a center bar 31 and 32 of utmost point volumes, this utmost point volume 32 is repeatedly put the outside that is wound in center bar 31 in regular turn mutually with at least one anodal layer 321, at least one separator 322 and at least one negative electrode layer 323 and is constituted, distolateral positive pole that is provided with a uncoated positive electrode coating in this positive pole floor 321 connects district 331, in this negative electrode layer 323 with respect to positive pole connect district 331 another is distolateral, a negative pole that then is provided with a uncoated negative pole coating connects district 332, and makes this positive pole and negative pole connect district 331 332 rolling up 32 2 distolateral protruding out from the utmost point respectively and expose;
This conducting connecting part 40, have at least one gim peg 41 and at least one conduction compressing tablet 42, this conduction compressing tablet 42 is a conduction and the flexure member that is shaped to warp architecture, two ends of this conduction compressing tablet 40 respectively are shaped to a connecting end 421, then be shaped to a junction 423 between two connecting ends 421, these conduction compressing tablet 42 corresponding configurations are positioned at the outside that this negative or positive electrode connects district 331 332, the perforation 422 of passing this conduction compressing tablet 42 through this gim peg 41 earlier is fixedly arranged on this center bar 31 again, and making this conduction compressing tablet 42 and negative or positive electrode connect district 331 332 closely contact and electrically combination mutually, connecting portion 423 is then done electrical connection person with the distolateral negative or positive electrode leading-out terminal 2122 of battery can 20.
The above, the electric core connecting structure composition and the member assembly that are serondary lithium battery of the present invention concern the position, the present invention further makes this core strueture one design, and see through a conducting connecting part and link as the conduction between this electricity core and the negative or positive electrode leading-out terminal, this conducting connecting part is a flexure member, by this, even the error of dimensions length is arranged between electric core or the battery can, also can finish group smoothly through the buffering of this conducting connecting part and establish; Now its actual user mode is described in detail as follows:
Please consult Fig. 2 again, Fig. 3, shown in Figure 4, the present invention sees through a conducting connecting part 40 as this electricity core 30 and this negative or positive electrode leading-out terminal 21, conduction between 22 links, because the conduction compressing tablet 42 of this conducting connecting part 40 is a flexure member, between the connecting end 421 and connecting portion 423 of this conduction compressing tablet 42, can carry out the bending compression or the stretching of certain limit, by this, even the error of dimensions length is arranged between these electricity core 30 integral body and the battery can 20, also can see through this conducting connecting part 40 around the property buffering, establish with the group of battery can 20 and finish battery battery core 30 smoothly.
It should be noted that, the present invention sees through the connecting end 421 of this conduction compressing tablet 42, and each floor that negative or positive electrode direct and this utmost point volume 32 connects district 331,332 carries out the binding of pressing conduction, and directly conduct electricity binding with the negative or positive electrode leading-out terminal 21,22 of the connecting portion 423 of this conduction compressing tablet 42 and battery, quite to simplify and be electrically connected kenel quite direct because member and structure are formed in the present invention, can effectively reduce the internal driving of battery.
The person of being worth mentioning is, see also shown in Figure 5, wherein can be in two ends of this center bar 31, each sheathed conductive sleeve, respectively be arranged with a conductive sleeve 50, when this conductive sleeve 50 connects each floor in district 331,332 in these conduction compressing tablet 42 pressing negative or positive electrodes, the negative or positive electrode that is positioned at center bar 31 both sides can be connected district 331,332 and further cross over connection, current path when the increase battery carries out the charge and discharge operation is used further reduction inside battery resistance.
In addition, the core strueture design of this case, be assembled in the circular batteries jar except applicable, see also shown in Figure 6ly, wherein, more this case electricity core can be located in the rectangular cell jar, and can be through setting up two electric-conductors 60, connect a wherein conduction compressing tablet 42 with these electric-conductor 60 1 ends, end then connects negative or positive electrode leading-out terminal 21,22 in addition, and meets the demand that the rectangular cell jar is positioned at positive pole and 21,22 designs of negative pole leading-out terminal the same side.
Claims (5)
1. the electric core conductive connection structure of a serondary lithium battery mainly is provided with a conducting connecting part in the end of an electric core and constitutes, and makes electrically connect with the negative or positive electrode leading-out terminal of battery can respectively through this conducting connecting part, it is characterized in that:
This electricity core, constituted by a center bar, utmost point volume and two constriction assemblies, this utmost point volume is repeatedly put the outside that is wound in center bar in regular turn mutually with at least one anodal layer, at least one separator and at least one negative electrode layer and is constituted, distolateral positive pole that is provided with a uncoated positive electrode coating in this positive pole floor connects the district, it is distolateral to connect another of district in this negative electrode layer with respect to positive pole, a negative pole that then is provided with a uncoated negative pole coating connects the district, and makes this positive pole and negative pole connect the district rolling up two distolateral protruding out from the utmost point respectively and expose;
This conducting connecting part, have at least one gim peg and at least one conduction compressing tablet, this conduction compressing tablet is a conduction and the flexure member that is shaped to warp architecture, two ends of this conduction compressing tablet respectively are shaped to a connecting end, then be shaped to a junction between two connecting ends, the corresponding configuration of this conduction compressing tablet is positioned at the outside that this negative or positive electrode connects the district, the perforation of passing this conduction compressing tablet through this gim peg earlier is fixedly arranged on this center bar again, and making this conduction compressing tablet and negative or positive electrode connect district's closely contact and electrically combination mutually, connecting portion is then done electrically to connect with the distolateral negative or positive electrode leading-out terminal of battery can.
2. the electric core conductive connection structure of serondary lithium battery according to claim 1, it is characterized in that: this center bar end is provided with a conductive sleeve.
3. the electric core conductive connection structure of serondary lithium battery according to claim 1, it is characterized in that: this battery can is the circular batteries jar.
4. the electric core conductive connection structure of serondary lithium battery according to claim 1, it is characterized in that: this battery can is the rectangular cell jar.
5. the electric core conductive connection structure of serondary lithium battery according to claim 4, it is characterized in that: after this electricity core is located in the rectangular cell jar, set up two electric-conductors, connect this conduction compressing tablet with an end of this electric-conductor, end then connects the negative or positive electrode leading-out terminal in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101270304A CN100541865C (en) | 2006-09-21 | 2006-09-21 | The electric core conductive connection structure of serondary lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101270304A CN100541865C (en) | 2006-09-21 | 2006-09-21 | The electric core conductive connection structure of serondary lithium battery |
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| Publication Number | Publication Date |
|---|---|
| CN101150181A CN101150181A (en) | 2008-03-26 |
| CN100541865C true CN100541865C (en) | 2009-09-16 |
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| CNB2006101270304A Active CN100541865C (en) | 2006-09-21 | 2006-09-21 | The electric core conductive connection structure of serondary lithium battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102011054773A1 (en) * | 2011-10-25 | 2013-04-25 | Vb Autobatterie Gmbh & Co. Kgaa | Connection pole for a rechargeable battery, accumulator housing and machine for the production of a connection pole |
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Effective date of registration: 20161128 Address after: Taiwan, Hsinchu, China Hukou Township Industrial Zone Five Industrial Road No. 7, No. Patentee after: Bixiang Electric Energy High Science & Technology Co., Ltd. Address before: Hsinchu County, Taiwan, China Patentee before: Wu Bixiang |