CN204102981U - The electrode connection device of guide pin formula cylindrical polymer lithium battery in the same way - Google Patents
The electrode connection device of guide pin formula cylindrical polymer lithium battery in the same way Download PDFInfo
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- CN204102981U CN204102981U CN201420533681.3U CN201420533681U CN204102981U CN 204102981 U CN204102981 U CN 204102981U CN 201420533681 U CN201420533681 U CN 201420533681U CN 204102981 U CN204102981 U CN 204102981U
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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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Abstract
The utility model provides a kind of electrode connection device of the formula of guide pin in the same way cylindrical polymer lithium battery, it comprises: be arranged at the negative pole portion of battery cathode end, be arranged at the positive pole portion of anode end, and for connecting the connecting portion in described positive pole portion and negative pole portion; Described negative pole portion comprises the negative straps be electrically connected with the negative pole point of battery, and one end of this negative straps is connected with one end of connecting portion; Described positive pole portion comprises: the lug part flow arrangement of I shape, arrange respectively at the two ends of this " work " font for the negative terminal that conducts electricity and positive terminal, described lug part flow arrangement inside is provided with the negative conductive line of the other end for connecting negative terminal and connecting portion, positive terminal is connected conducting by the positive limit of the positive conductive line with battery that are arranged at lug part flow arrangement inside, negative conductive line and the insulation of positive conductive line.The utility model is suitable for automated production.
Description
Technical field
The utility model relates to field of lithium, is specifically related to a kind of electrode connection device of the formula of guide pin in the same way cylindrical polymer lithium battery.
Background technology
According to the difference of lithium ion battery electrolyte used, lithium ion battery is divided into liquid lithium ionic cell (Liquified Lithium-Ion Battery, referred to as LIB) and polymer Li-ion battery (Polymer Lithium-Ion Battery, referred to as PLB) or plastic lithium-ion battery (Plastic Lithium Ion Batteries, referred to as PLB).Polymer Li-ion battery positive and negative pole material used is all identical with liquid lithium ion, and positive electrode is divided into cobalt acid lithium, LiMn2O4, ternary material and LiFePO 4 material, and negative pole is graphite, and battery operated principle is also basically identical.Their main distinction is electrolytical difference, liquid lithium ionic cell uses liquid electrolyte, polymer Li-ion battery then replaces with solid polymer electrolyte, this polymer can be " dry state ", also can be " colloidal state " that major part adopts gel-form solid polymer electrolyte at present.
Because polymer battery electrolyte is solid-state, and be flexible-packed battery, and the shell of conventional lithium-ion battery (liquid lithium ionic cell namely mentioned above) is mainly box hat or alloy.If lithium battery generation internal short-circuit situation, the shell due to poly-lithium battery is flexible package, and therefore, its main manifestations is air-blowing or encapsulation place opening; And common lithium battery due to its shell be rigid material, so just likely blast, degree of safety is low.And, due to the problem of system own, lithium polymer battery in energy density and other side better than conventional lithium-ion battery, cycle performance is dominant.Such as: common lithium battery battery of mobile phone is difficult to accomplish more than 1200mAh, and polymer battery can easily reach.Therefore, with regard to present circumstances, increasing mainstream vendor starts to select lithium polymer battery, and as apple, 100% is all polymer battery.
The each side factors such as consideration capacity, encapsulation and fail safe, the many employings of poly-lithium battery are cylindrical.
Existing cylindrical polymer lithium ion battery, usually all adopt and draw anode ear and negative electrode lug from contrary both direction, and two lugs are all flat band-type of configuration, thinner, soft, therefore, in following process process, easily fracture, yields is low.Another aspect, due to said structure, when follow-up finished product lithium battery is connected with wiring board or electrical appliance, can only adopt manual type, and can not adopt electromechanical automatic mode, poor stability, reliability is low.
Utility model content
Because described in background technology, be necessary to provide that automaticity in a kind of preparation process is high, the electrode connection device of the novel cylindrical polymer battery of finished product stability, better reliability.
The purpose of this utility model is achieved through the following technical solutions:
An electrode connection device for guide pin formula cylindrical polymer lithium battery in the same way, it comprises:
Be arranged at the negative pole portion of battery cathode end, be arranged at the positive pole portion of anode end, and for connecting the connecting portion in described positive pole portion and negative pole portion;
Described negative pole portion comprises the negative straps be electrically connected with the negative pole point of described battery, and one end of described negative straps is connected with one end of described connecting portion;
Described positive pole portion comprises: the lug part flow arrangement of I shape, arrange respectively at the two ends of " work " font of described lug part flow arrangement for the negative terminal that conducts electricity and positive terminal, described lug part flow arrangement inside is provided with the negative conductive line of the other end for connecting described negative terminal and described connecting portion, described positive terminal is connected conducting by the positive limit of the positive conductive line with described battery that are arranged at lug part flow arrangement inside, described negative conductive line and the insulation of described positive conductive line;
Preferably, described positive terminal and described negative terminal show difference by the difference of shape, material or color.
Preferably, the peripheral radial dimension of described lug part flow arrangement is less than the radial dimension of described anode end face, and it is arranged at the central authorities of the positive terminal of described battery, and the top margin up and down of its " work " font is arc; Or, the work of described lug part flow arrangement " top margin up and down of font is arc, described upper and lower top margin all with the coincident of the positive pole end face of described battery, make described lug part flow arrangement cover the positive pole end face of described battery.
Preferably, described connecting portion is described connecting portion is cylindrical or the flat bonding jumper of rigidity, and its part being positioned at described battery two ends bends respectively, to adapt to the cylindrical outer shape of battery.
The top margin up and down of " work " font of described lug part flow arrangement is all designed to arc, is the rounded bottom surface in order to adapt to columniform battery, and, be convenient to arrange described positive terminal and negative terminal.
Preferably, the material of described negative terminal or shape or color identical with described connecting portion, definitely to demonstrate the consistency of negative terminal, connecting portion and negative pole point, avoid makeing mistakes in the course of processing.
Preferably, the described other end of described connecting portion is arranged at the side, middle part of " work " font of described lug part flow arrangement, and opposite side is provided with cathode metal sheet or plain conductor for being connected conducting with the positive limit of described battery.
Compared with prior art, the utility model possesses following advantage:
1, cylindrical metal bar or the flat bonding jumper of rigidity are as connecting portion, are not easy the distortion that fractures, stability and reliability high, be conducive to the automation of subsequent technique;
2, the lug part flow arrangement of I shape is convenient to make positive and negative lug centralization, accurate positioning, is conducive to the automation of subsequent technique equally;
3, structure is simple, and symmetry is good, is not easy to make mistakes, and improves the yields of battery, production efficiency and makes the automation of subsequent technique become possibility;
4, the coincident of the outward flange of described lug part flow arrangement and the positive pole end face of described battery, covers the positive pole end face of described battery, can realize precise positioning, enhances productivity and finished product yield.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model embodiment one;
Fig. 2 is the perspective view after jockey described in Fig. 1 is connected with battery;
Fig. 3 is the another perspective view after jockey described in Fig. 1 is connected with battery;
Fig. 4 is the another perspective view after jockey described in Fig. 1 is connected with battery.
Embodiment
embodiment one:
The present embodiment provides a kind of electrode connection device of the formula of guide pin in the same way cylindrical polymer lithium battery, and as shown in Figure 1, it comprises:
Be arranged at the negative pole portion of battery cathode end, be arranged at the positive pole portion of anode end, and for connecting the connecting portion 30 in described positive pole portion and negative pole portion;
Described negative pole portion comprises the negative straps 11 be electrically connected with the negative pole point of described battery, and one end of described negative straps 11 is connected with one end of described connecting portion 30;
Described positive pole portion comprises: the lug part flow arrangement 21 of I shape, arrange respectively at the two ends of " work " font of described lug part flow arrangement 21 for the negative terminal 22 that conducts electricity and positive terminal 23, described lug part flow arrangement 21 inside is provided with the negative conductive line of the other end for connecting described negative terminal 22 and described connecting portion 30, described positive terminal 23 is connected conducting by the positive limit of the positive conductive line with described battery that are arranged at lug part flow arrangement 21 inside, described negative conductive line and the insulation of described positive conductive line.
Described positive terminal 23 and described negative terminal 22 show difference by the difference of shape, material or color.Preferably, the material of described negative terminal 22 or shape or color identical with described connecting portion 30, and different from described positive terminal 23, definitely to demonstrate the consistency of negative terminal 22, connecting portion 30 and negative pole point, avoid makeing mistakes in the course of processing.Such as: redness can be painted in the surface of negative terminal 22, connecting portion 30, and by the surperficial painted black of positive terminal 23.Accordingly, the lug part flow arrangement 21 of described I shape can also be painted two kinds of colors respectively according to two parts of the symmetry of both positive and negative polarity, be respectively used to the color of corresponding negative terminal 22 and positive terminal 23, that is, all positive pole links are a kind of color, and all negative pole links are another color.
Preferably, described lug part flow arrangement 21 is arranged at the central authorities of the positive terminal of described battery, so as follow-up automation processing process in, can contraposition more exactly, be conducive to provide standardized automatically processing device, and, be convenient to be connected conducting with positive limit.
Preferably, described connecting portion 30 is cylindrical or the flat bonding jumper of rigidity, and its part being positioned at described battery two ends bends respectively, to adapt to the cylindrical outer shape of battery.
Preferably, the top margin up and down of " work " font of described lug part flow arrangement 21 is arc, to adapt to the rounded bottom surface of columniform battery, and, be convenient to arrange described positive terminal 23 and negative terminal 22.
Preferably, the described other end of described connecting portion 30 is arranged at the side, middle part of " work " font of described lug part flow arrangement 21, and opposite side is provided with cathode metal sheet or plain conductor for being connected conducting with the positive limit of described battery.
embodiment two:
The present embodiment provides a kind of cylindrical polymer lithium battery adopting jockey described in embodiment one, and as shown in Figures 2 to 4, it comprises:
Columniform electrolyte bag 100, battery case 200, be arranged at electrode connection device between described electrolyte bag 100 and battery case 200.
Described electrode connection device comprises:
Be arranged at the negative pole portion of battery cathode end, be arranged at the positive pole portion of anode end, and for connecting the connecting portion 330 in described positive pole portion and negative pole portion.
Described negative pole portion comprises the negative straps 311 be electrically connected with the negative pole point of described battery, and one end of described negative straps 311 is connected with one end of described connecting portion 330.
Described positive pole portion comprises: the lug part flow arrangement of I shape, arrange respectively at the two ends of " work " font of described lug part flow arrangement for the negative terminal 322 that conducts electricity and positive terminal 323, described lug part flow arrangement inside is provided with the negative conductive line of the other end for connecting described negative terminal 322 and described connecting portion 330, described positive terminal 323 is connected conducting by the positive limit of the positive conductive line with described battery that are arranged at lug part flow arrangement inside, described negative conductive line and the insulation of described positive conductive line.
Described positive terminal 323 and described negative terminal 322 show difference by the difference of shape, material or color; Preferably, the material of described negative terminal 322 or shape or color identical with described connecting portion 330.
At the upper and lower side edge of described electrolyte bag 100, described connecting portion 330 complies with the profile bending of described electrolyte bag 100.
Preferably, described lug part flow arrangement is arranged at the central authorities of the positive terminal of described battery.
Preferably, described connecting portion 330 is cylindrical metal bar or the flat bonding jumper of rigidity.
Preferably, the top margin up and down of " work " font of described lug part flow arrangement is arc.
Preferably, the described other end of described connecting portion 330 is arranged at the side, middle part of " work " font of described lug part flow arrangement, be electrically connected with the end of described negative conductive line, its opposite side is provided with cathode metal sheet or plain conductor for being connected conducting with the positive limit of described battery.
Preferably, at the positive terminal of described electrolyte bag, be provided with a sheet metal 40 be electrically connected with positive limit, described sheet metal 40 comprises: the first contact site be close to described positive limit, and for the second contact site connecting conducting for the cathode metal sheet or plain conductor being connected conducting with the positive limit of described battery that the opposite side at the middle part of " work " font with described described lug part flow arrangement is arranged.
Preferably, described first contact site is vertical with the second contact site or close vertical.
In fact, the lug part flow arrangement of I shape of the present utility model is not limited to the radial dimension that peripheral radial dimension that is described in embodiment one and embodiment two and the lug part flow arrangement shown in Fig. 1 to Fig. 3 is less than described anode end face, it is arranged at the central authorities of the positive terminal of described battery, and the top margin up and down of its " work " font is arc; Can also be: the area of described lug part flow arrangement is larger, the coincident of the positive pole end face of its outward flange and described battery, cover the positive pole end face of described battery, such structure is more conducive to the exactitude position of electrode connection device and electrolyte bag in assembling process.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, between each embodiment same or similar part mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. an electrode connection device for guide pin formula cylindrical polymer lithium battery in the same way, is characterized in that: it comprises:
Be arranged at the negative pole portion of battery cathode end, be arranged at the positive pole portion of anode end, and for connecting the connecting portion in described positive pole portion and negative pole portion;
Described negative pole portion comprises the negative straps be electrically connected with the negative pole point of described battery, and described negative straps is connected with one end of described connecting portion;
Described positive pole portion comprises: the lug part flow arrangement of I shape, arrange respectively at the two ends of " work " font of described lug part flow arrangement for the negative terminal that conducts electricity and positive terminal, described lug part flow arrangement inside is provided with the negative conductive line of the other end for connecting described negative terminal and described connecting portion, described positive terminal is connected conducting by the positive limit of the positive conductive line with described battery that are arranged at lug part flow arrangement inside, described negative conductive line and the insulation of described positive conductive line.
2. electrode connection device according to claim 1, is characterized in that:
The shape of described positive terminal and described negative terminal and/or material and/or color different.
3. electrode connection device according to claim 1, is characterized in that:
The peripheral radial dimension of described lug part flow arrangement is less than the radial dimension of described anode end face, and it is arranged at the central authorities of the positive terminal of described battery, and the top margin up and down of its " work " font is arc; Or, the work of described lug part flow arrangement " top margin up and down of font is arc, described upper and lower top margin all with the coincident of the positive pole end face of described battery, make described lug part flow arrangement cover the positive pole end face of described battery.
4. according to the arbitrary described electrode connection device of claims 1 to 3, it is characterized in that: the described other end of described connecting portion is arranged at the side, middle part of " work " font of described lug part flow arrangement, opposite side is provided with cathode metal sheet or plain conductor for being connected conducting with the positive limit of described battery.
5. electrode connection device according to claim 4, is characterized in that:
Described connecting portion is described connecting portion is cylindrical or the flat bonding jumper of rigidity, and its part being positioned at described battery two ends complies with the shape bending of described battery respectively.
6. electrode connection device according to claim 4, is characterized in that:
The material of described negative terminal and/or shape and/or color identical with described connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533681.3U CN204102981U (en) | 2014-09-17 | 2014-09-17 | The electrode connection device of guide pin formula cylindrical polymer lithium battery in the same way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533681.3U CN204102981U (en) | 2014-09-17 | 2014-09-17 | The electrode connection device of guide pin formula cylindrical polymer lithium battery in the same way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204102981U true CN204102981U (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420533681.3U Withdrawn - After Issue CN204102981U (en) | 2014-09-17 | 2014-09-17 | The electrode connection device of guide pin formula cylindrical polymer lithium battery in the same way |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204102981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183812A (en) * | 2014-09-17 | 2014-12-03 | 珠海汉格能源科技有限公司 | Electrode connecting device of synclastic guide-pin type cylindrical polymer lithium battery, and battery |
-
2014
- 2014-09-17 CN CN201420533681.3U patent/CN204102981U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183812A (en) * | 2014-09-17 | 2014-12-03 | 珠海汉格能源科技有限公司 | Electrode connecting device of synclastic guide-pin type cylindrical polymer lithium battery, and battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150114 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |