CN209071491U - A kind of current collecting plates for the full tab lithium ion battery of cylinder - Google Patents
A kind of current collecting plates for the full tab lithium ion battery of cylinder Download PDFInfo
- Publication number
- CN209071491U CN209071491U CN201821906388.1U CN201821906388U CN209071491U CN 209071491 U CN209071491 U CN 209071491U CN 201821906388 U CN201821906388 U CN 201821906388U CN 209071491 U CN209071491 U CN 209071491U
- Authority
- CN
- China
- Prior art keywords
- disk body
- urosome
- current collecting
- lithium ion
- collecting plates
- 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.)
- Withdrawn - After Issue
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Classifications
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of current collecting plates for the full tab lithium ion battery of cylinder, current collecting plates of this kind for the full tab lithium ion battery of cylinder include disk body and urosome, the symmetrical structure of disk body, the first circular hole and the second circular hole for fluid injection are equipped with along symmetry direction on disk body, mirror symmetry is provided with through V-type groove on the disk body, two V-type grooves of left and right are in non-interconnected X-shaped shape, V-type groove bottom surface is directly contacted with battery pole ear surface, and V-type groove surface is the bond pad locations for laser welding；The urosome and disk body are integrally formed and can be bent into any angle, two and the consistent reinforcing rib of disk body symmetry direction are provided on urosome, urosome is detachably connected or is riveted on cover board.By the above-mentioned means, the utility model design is simple, and it is easily operated, it causes solder joint ratio to reduce full cylinder tab battery can be effectively relieved with radius increase and then influences the problem of water conservancy diversion difficulty, diversion effect can be effectively improved.
Description
Technical field
The utility model relates to technical field of lithium ion, are used for the full tab lithium-ion electric of cylinder more particularly to one kind
The current collecting plates in pond.
Background technique
Lithium ion battery is not only widely used in the fields 3C such as mobile phone, digital camera and PC computer, is also applied to electricity
Power driven tools field, the support energetically with country to new-energy automobile, after 2011 lithium ion battery in electric car and
Electric bicycle field has also welcome booming chance, in a series of lithium ion battery of models, cylindrical aluminum hull lithium
Ion battery due to energy density is high, have a safety feature the advantages that and be concerned.
The cylindrical aluminium case lithium ion battery of full tab is currently used assembly method, however full extreme ear structure cylindrical aluminium
The problem that housing battery faces is the connection how realized between tab and cover board pole, and therefore, current collecting plates become connection battery pole
The key of ear and cover board pole, current collecting plates common at present are cylinder or rectangular, and battery assembly is that current collecting plates are placed on battery
Current collecting plates and battery pole ear are then welded into an entirety, current collecting plates by the way of laser welding by tab end face center
The other end linked together by way of welding or riveting with the pole of cover board, and then pass through battery pole ear, current collecting plates, pole
The connection of column, so that sealing and the current loop of cylinder lithium ion battery with aluminum shell.
Patent CN105810875 discloses a kind of round current collecting plates for lithium ion battery, by disc surfaces
Several are set, radial equally distributed raised line is presented outward from disk body center, for disk body to be uniformly divided into several areas
Equal sectorial area；And connect in the urosome that the setting of disk body rear end can be bent with cover board pole, however set in disc surfaces
Radial raised line is set, as the increase tab contact area of diameter gradually lowers, is unfavorable for the uniform water conservancy diversion of battery, and water conservancy diversion
Stability is larger by solder joint stability influence；Urosome is smoothing processing simultaneously, due to the presence of metal stresses, in the process of bending
It will cause metal fatigue, serious conditions cause metal fracture next time and then affect diversion effect.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of afflux for the full tab lithium ion battery of cylinder
Disk, design is simple, easily operated, causes solder joint ratio to reduce in turn with radius increase full cylinder tab battery can be effectively relieved
The problem for influencing water conservancy diversion difficulty, can be effectively improved diversion effect.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of complete for cylinder
The current collecting plates of tab lithium ion battery, current collecting plates of this kind for the full tab lithium ion battery of cylinder include disk body and urosome, institute
It states the symmetrical structure of disk body, is equipped with the first circular hole and the second circular hole for fluid injection, the first circular hole along symmetry direction on disk body
It is set to disk body center, the second circular hole is set to the center between edge and the first circular hole of the disk body far from urosome,
Mirror symmetry is provided with through V-type groove on the disk body, and two V-type grooves of left and right are in non-interconnected X-shaped shape, V-type groove
Bottom surface is directly contacted with battery pole ear surface, and V-type groove surface is the bond pad locations for laser welding；The urosome and disk body one
It is body formed and any angle can be bent into, two and the consistent reinforcing rib of disk body symmetry direction are provided on urosome, on urosome
Two mounting holes are additionally provided with, urosome is detachably connected or is riveted on cover board.
Preferably, the diameter of first circular hole and the second circular hole is the 1/10~1/8 of disk body diameter.
Preferably, the groove width of the V-type groove is the 2/3~3/5 of disk body diameter.
Preferably, the groove depth of the V-type groove is 0.2~1.0mm.
Preferably, the angle of the V-type groove is 120~160 degree.
Preferably, the urosome width is the 1/3~1 of disk body diameter.
Preferably, the reinforcing rib width is the 1/10~1/4 of urosome width.
Preferably, the material of current collecting plates is aluminium, copper, nickel-clad copper or stainless steel.
Compared with prior art, the utility model has the beneficial effects that
In the V-type groove that disc surfaces setting is in mirror symmetry, connect with the groove that the two is combined into " X " type with battery pole ear
Touching, increases contact area, while using V-type groove as the channel of laser welding, the solder joint of formation is equal in the distribution of tab surface
It is even, it causes solder joint ratio to reduce with radius increase full cylinder tab battery has been effectively relieved and then influences the problem of water conservancy diversion difficulty；
Two circular holes are set in disc surfaces, is conducive to electrolyte when fluid injection and penetrates into, while can also reduce the quality of disk body, be conducive to
Loss of weight；Reinforcing rib is set on urosome surface simultaneously, the stress that metal bending generates can be eliminated, ensure that current collecting plates and cover board and
Water conservancy diversion stability after shell assembly.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of current collecting plates for the full tab lithium ion battery of cylinder.
Fig. 2 is to be welded with a kind of current collecting plates for the full tab lithium ion battery of cylinder of the utility model and full tab battery
The solder joint distributed effect schematic diagram of battery pole ear after connecing.
Specific embodiment
The utility model preferred embodiment is described in detail with reference to the accompanying drawing, so that the advantages of utility model and spy
Sign can be easier to be readily appreciated by one skilled in the art, to make apparent specific boundary to the protection scope of the utility model
It is fixed.
Fig. 1 and Fig. 2 are please referred to, the utility model embodiment includes:
A kind of current collecting plates for the full tab lithium ion battery of cylinder, this kind are used for the collection of the full tab lithium ion battery of cylinder
Flow table includes disk body 1 and urosome 2, the symmetrical structure of the disk body 1, is equipped with for fluid injection along symmetry direction on disk body 1
The diameter of one circular hole 11 and the second circular hole 12, the first circular hole 11 and the second circular hole 12 is the 1/10 of 1 diameter of disk body, the first circular hole 11
It is set to 1 center of disk body, during the second circular hole 12 is set between edge and the first circular hole 11 of the disk body 1 far from urosome 2
Heart position, mirror symmetry is provided with through V-type groove 13 on the disk body 1, and 13 groove width of V-type groove is the 2/ of 1 diameter of disk body
5,13 groove depth of V-type groove is 0.7mm, and the angle of V-type groove 13 is 140 degree, and two V-type grooves 13 of left and right are in non-interconnected X-shaped
Shape, 13 bottom surface of V-type groove are directly contacted with battery pole ear surface, and 13 surface of V-type groove is the bond pad locations for laser welding；Institute
It states urosome 2 and disk body 1 is integrally formed and can be bent into any angle, 21 width of urosome is the 1/2 of 1 diameter of disk body, on urosome 2
Two and the consistent reinforcing rib 21 of 1 symmetry direction of disk body are provided with, 21 width of reinforcing rib is the 1/8 of 2 width of urosome, on urosome 2
Two mounting holes 22 are additionally provided with, urosome 2 is detachably connected or is riveted on cover board.
The current collecting plates for the full tab lithium ion battery of cylinder are applied to the anode and cathode of 32131 cylindrical batteries,
Anode uses aluminum, and cathode uses nickel plating copper.
After Fig. 2 is the current collecting plates and full tab welding battery using the full tab lithium ion battery of cylinder of the utility model
The solder joint distributed effect schematic diagram of battery pole ear, the number of welds at winding end end is evenly distributed as the result is shown, can be avoided
Cylindrical cell with diameter increase and number of welds reduce the problem of, embody good diversion effect.
A kind of current collecting plates for the full tab lithium ion battery of cylinder of the utility model, design is simple, easily operated, can
The full tab battery of cylinder is effectively relieved to cause solder joint ratio to reduce with radius increase and then influence the problem of water conservancy diversion difficulty, Neng Gouyou
Effect improves diversion effect.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of current collecting plates for the full tab lithium ion battery of cylinder, it is characterised in that: this kind for the full tab lithium of cylinder from
The current collecting plates of sub- battery include disk body and urosome, the symmetrical structure of disk body, are equipped with along symmetry direction for note on disk body
The first circular hole and the second circular hole of liquid, the first circular hole are set to disk body center, and the second circular hole is set to disk body far from urosome
Edge and the first circular hole between center, mirror symmetry is provided with through V-type groove, two V of left and right on the disk body
Type groove is in non-interconnected X-shaped shape, and V-type groove bottom surface is directly contacted with battery pole ear surface, and V-type groove surface is for laser
The bond pad locations of welding；The urosome and disk body are integrally formed and can be bent into any angle, be provided on urosome two with
Disk body symmetry direction consistent reinforcing rib is additionally provided with two mounting holes on urosome, and urosome is detachably connected or is riveted on cover board.
2. a kind of current collecting plates for the full tab lithium ion battery of cylinder according to claim 1, it is characterised in that: described
The diameter of first circular hole and the second circular hole is the 1/10~1/8 of disk body diameter.
3. a kind of current collecting plates for the full tab lithium ion battery of cylinder according to claim 1, it is characterised in that: described
The groove width of V-type groove is the 2/3~3/5 of disk body diameter.
4. a kind of current collecting plates for the full tab lithium ion battery of cylinder according to claim 1, it is characterised in that: described
The groove depth of V-type groove is 0.2~1.0mm.
5. a kind of current collecting plates for the full tab lithium ion battery of cylinder according to claim 1, it is characterised in that: described
The angle of V-type groove is 120~160 degree.
6. a kind of current collecting plates for the full tab lithium ion battery of cylinder according to claim 1, it is characterised in that: described
Urosome width is the 1/3~1 of disk body diameter.
7. a kind of current collecting plates for the full tab lithium ion battery of cylinder according to claim 1, it is characterised in that: described
Reinforcing rib width is the 1/10~1/4 of urosome width.
8. a kind of current collecting plates for the full tab lithium ion battery of cylinder according to claim 1, it is characterised in that: afflux
The material of disk is aluminium, copper, nickel-clad copper or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821906388.1U CN209071491U (en) | 2018-11-19 | 2018-11-19 | A kind of current collecting plates for the full tab lithium ion battery of cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821906388.1U CN209071491U (en) | 2018-11-19 | 2018-11-19 | A kind of current collecting plates for the full tab lithium ion battery of cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209071491U true CN209071491U (en) | 2019-07-05 |
Family
ID=67099724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821906388.1U Withdrawn - After Issue CN209071491U (en) | 2018-11-19 | 2018-11-19 | A kind of current collecting plates for the full tab lithium ion battery of cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209071491U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676478A (en) * | 2019-10-14 | 2020-01-10 | 上海氢润新能源科技有限公司 | Collector plate for hydrogen fuel cell stack |
| CN112496543A (en) * | 2020-11-26 | 2021-03-16 | 江苏逸飞激光设备有限公司 | Collector plate welding method and device |
-
2018
- 2018-11-19 CN CN201821906388.1U patent/CN209071491U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676478A (en) * | 2019-10-14 | 2020-01-10 | 上海氢润新能源科技有限公司 | Collector plate for hydrogen fuel cell stack |
| CN110676478B (en) * | 2019-10-14 | 2021-01-19 | 上海氢润新能源科技有限公司 | Collector plate for hydrogen fuel cell stack |
| CN112496543A (en) * | 2020-11-26 | 2021-03-16 | 江苏逸飞激光设备有限公司 | Collector plate welding method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.100 Yuanfeng Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Shanghai Electric GuoXuan new energy technology (Suzhou) Co.,Ltd. Address before: No.100 Yuanfeng Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: GUOXUAN NEW ENERGY (SUZHOU) Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190705 Effective date of abandoning: 20220614 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190705 Effective date of abandoning: 20220614 |