CN2852406Y - Pole piece assembly of lithium ion battery and battery - Google Patents
Pole piece assembly of lithium ion battery and battery Download PDFInfo
- Publication number
- CN2852406Y CN2852406Y CNU200520131893XU CN200520131893U CN2852406Y CN 2852406 Y CN2852406 Y CN 2852406Y CN U200520131893X U CNU200520131893X U CN U200520131893XU CN 200520131893 U CN200520131893 U CN 200520131893U CN 2852406 Y CN2852406 Y CN 2852406Y
- Authority
- CN
- China
- Prior art keywords
- pole piece
- lithium ion
- lug
- ion battery
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 22
- 239000011241 protective layer Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 abstract 1
- 210000005069 ears Anatomy 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- Y02E60/122—
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a pole piece assembly of the lithium ion battery, which comprises a pole piece and at least one pole ear; the end part of the connection end of the pole ear and the pole piece is in circular arc or circular angle shape. The utility model also discloses a lithium ion battery using the pole piece assembly. Because the connection of the pole ears in circular arc shape or with a guiding angle is used, when the pole piece is in the stacking or rolling process, the utility model avoids that the cusp of the pole ear lacerates the septum and the gummed paper and can not be punctured because of the cusp bearing force in the high-current discharging condition, and the battery safety is enhanced.
Description
Technical field
The utility model relates to the building block of lithium ion battery and uses the battery of this assembly, and more specifically, the utility model relates to a kind of pole piece assembly of lithium ion battery and the battery that uses it.
Background technology
At present; lithium ion battery is widely used in moving communicating field; the mode of producing producer's connection lug of battery is directly to connect the lug of cutting off on pole piece; again with gummed paper protection lug and pole piece junction; because it is square that lug is sheared the back, its bottom is the right angle, in the process that pole piece and diaphragm paper are reeled together; the lug tip is stressed, easily punctures high tempreture tape and barrier film.Especially in the process of working power battery, the lug tip electric current that sparks is very big, and breakdown easily, there is potential safety hazard in battery.
The utility model content
The purpose of this utility model just is to address the above problem, a kind of pole piece assembly that can avoid lug to puncture the lithium ion battery of high tempreture tape and barrier film, lug point discharge puncture high tempreture tape and barrier film is provided, a kind of lithium ion battery that uses this pole piece assembly also is provided.
For addressing the above problem, the technical scheme that the utility model adopted is: a kind of pole piece assembly of lithium ion battery is provided, comprises pole piece, at least one lug, the end of the link of this lug and pole piece is circular-arc or the fillet shape.
Lug and pole piece junction on the described pole piece assembly are provided with a protective layer.
The protective layer of described lug is a gummed paper.
For solving above-mentioned another problem, the technical scheme that the utility model adopted is: a kind of lithium ion battery is provided, comprises the pole piece assembly, this assembly comprises pole piece, at least one lug, and the end of the link of described lug and pole piece is circular-arc or the fillet shape.
Lug and pole piece junction on the pole piece assembly in the described battery also are provided with a protective layer.
The protective layer of described lug is a gummed paper.
The mode that this lug is fixed in described pole piece and lug junction is ultrasonic bonding, rivet welding or conductive adhesion.
The beneficial effect that the utility model produced is: because the utility model has adopted the end of pole piece and lug link to be circular-arc or the fillet shape, pole piece and membrane coil around process in, can not puncture diaphragm paper and high tempreture tape, under the situation of heavy-current discharge, can be not stressed because of point discharge, puncture battery, the fail safe that has improved battery.
Description of drawings
Fig. 1 is the pole piece component drawings of embodiment 1
Fig. 2 is the pole piece component drawings of embodiment 2
Fig. 3 is the pole piece component drawings of embodiment 3
Fig. 4 is the pole piece component drawings of embodiment 4
Among the figure:
1-elongated end, 2-link, 3-lug
4-gummed paper, 5-pole piece, 6-end
Embodiment
Embodiment 1
A kind of pole piece assembly of lithium ion battery; as shown in Figure 1; comprise pole piece 5 and lug 3; lug 3 comprises elongated end 1 and link 2; link 2 length are 1/4th of pole piece 5 width; the link 2 of pole piece 5 and lug 3 welds or is riveted together, and end 6 is circular-arc, also is provided with gummed paper 4 in addition on the link 2 with the protection pole piece.
A kind of pole piece assembly of lithium ion battery, as shown in Figure 2, present embodiment is substantially the same manner as Example 1, and difference is that this pole piece assembly is provided with two lugs 3.
A kind of pole piece assembly of lithium ion battery, as shown in Figure 3, present embodiment is substantially the same manner as Example 1, and difference is that the length of lug 3 links 2 on this pole piece assembly is suitable with pole piece 5 width.
Embodiment 4
A kind of pole piece assembly of lithium ion battery, as shown in Figure 4, present embodiment is substantially the same manner as Example 1, and difference is that the lug 3 on this pole piece assembly is arranged on pole piece one end.
A kind of lithium ion battery comprises barrier film, electrolyte, housing, also comprises the pole piece assembly that above-mentioned any embodiment provides.
Claims (6)
1, a kind of pole piece assembly of lithium ion battery comprises pole piece, and at least one lug is characterized in that: the end of the link of described lug and pole piece is circular-arc or the fillet shape.
2, electrodes of lithium-ion batteries according to claim 1 is characterized in that: the junction of described lug and pole piece also is provided with a protective layer.
3, electrodes of lithium-ion batteries according to claim 2 is characterized in that: described lug protective layer is a gummed paper.
4, a kind of lithium ion battery comprises the pole piece assembly, it is characterized in that: described assembly comprises pole piece, at least one lug, and the end of the link of described lug and pole piece is circular-arc or the fillet shape.
5, lithium ion battery according to claim 4 is characterized in that: the junction of described lug and pole piece also is provided with a protective layer.
6, lithium ion battery according to claim 5 is characterized in that: the protective layer of described lug is a gummed paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200520131893XU CN2852406Y (en) | 2005-10-26 | 2005-10-26 | Pole piece assembly of lithium ion battery and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200520131893XU CN2852406Y (en) | 2005-10-26 | 2005-10-26 | Pole piece assembly of lithium ion battery and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2852406Y true CN2852406Y (en) | 2006-12-27 |
Family
ID=37586361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200520131893XU Expired - Lifetime CN2852406Y (en) | 2005-10-26 | 2005-10-26 | Pole piece assembly of lithium ion battery and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2852406Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201594A (en) * | 2010-03-25 | 2011-09-28 | 深圳市比克电池有限公司 | Square lithium ion battery and its manufacturing method |
| CN102637846A (en) * | 2011-02-11 | 2012-08-15 | 三星Sdi株式会社 | Electrode assembly and secondary battery using the same |
| CN103078143A (en) * | 2012-12-29 | 2013-05-01 | 深圳市吉阳自动化科技有限公司 | Lithium battery and pole lug cutting device |
| CN113270693A (en) * | 2021-05-17 | 2021-08-17 | 微宏动力系统（湖州）有限公司 | Full-tab pole piece and winding battery |
-
2005
- 2005-10-26 CN CNU200520131893XU patent/CN2852406Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201594A (en) * | 2010-03-25 | 2011-09-28 | 深圳市比克电池有限公司 | Square lithium ion battery and its manufacturing method |
| CN102201594B (en) * | 2010-03-25 | 2015-09-30 | 深圳市比克电池有限公司 | A kind of rectangular lithium ion battery and preparation method thereof |
| CN102637846A (en) * | 2011-02-11 | 2012-08-15 | 三星Sdi株式会社 | Electrode assembly and secondary battery using the same |
| US9172109B2 (en) | 2011-02-11 | 2015-10-27 | Samsung Sdi Co., Ltd. | Electrode assembly and secondary battery using the same |
| CN102637846B (en) * | 2011-02-11 | 2016-03-16 | 三星Sdi株式会社 | The secondary cell of electrode assemblie and this electrode assemblie of use |
| CN103078143A (en) * | 2012-12-29 | 2013-05-01 | 深圳市吉阳自动化科技有限公司 | Lithium battery and pole lug cutting device |
| CN103078143B (en) * | 2012-12-29 | 2015-11-25 | 深圳市吉阳自动化科技有限公司 | lithium battery and tab cutting device |
| CN113270693A (en) * | 2021-05-17 | 2021-08-17 | 微宏动力系统（湖州）有限公司 | Full-tab pole piece and winding battery |
| WO2022242578A1 (en) * | 2021-05-17 | 2022-11-24 | 微宏动力系统（湖州）有限公司 | Tab plate and wound battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201466126U (en) | Single cell and power cell pack comprising same | |
| CN102456864A (en) | Terminal of rechargeable battery | |
| CN200962441Y (en) | A high power lithium ion power battery | |
| CN2852406Y (en) | Pole piece assembly of lithium ion battery and battery | |
| CN204156032U (en) | A kind of lithium ion battery and battery pole ear thereof | |
| JP2012028089A (en) | Nonaqueous secondary battery and nonaqueous secondary battery pack | |
| CN203423225U (en) | Lithium-ion battery pack | |
| CN202454645U (en) | Positive lug and soft packaged lithium-ion battery | |
| CN204991824U (en) | Aluminium changes non - aluminium metal arc ear | |
| CN204303895U (en) | A kind of sampling structure of Li-ion batteries piles | |
| CN101807674B (en) | Lithium ion power battery cap and welding method thereof | |
| CN204303902U (en) | Soft package lithium battery band glue lug | |
| CN200950452Y (en) | Battery breaking explosion proof valve and its explosion proof battery | |
| CN200965898Y (en) | High rate lithium ion battery | |
| CN1363961A (en) | Method for assembling electrode group of battery and its batter product | |
| CN2857237Y (en) | Electrical core of lithium ion cell and hithium ion cell including the same | |
| CN2814683Y (en) | Lithium iron battery electrode sheet riveting punch needle and electrode sheet, battery processed utilizing the same punching needle | |
| CN104091912A (en) | Multi-tab lithium battery core and welding method of multi-tab lithium battery tab | |
| CN202308135U (en) | Negative pole piece and lug structure for power battery | |
| CN201466148U (en) | Aluminium case lithium ion battery | |
| CN207781720U (en) | A kind of novel lug | |
| CN201853762U (en) | Electrode terminal slice and battery with same | |
| CN203119124U (en) | Voltage acquisition wire of lithium ion battery module | |
| CN207009534U (en) | A kind of anode ear, anode ear strip material, battery core and battery | |
| CN201638879U (en) | Power lithium battery electrode cover plate anti-explosion membrane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20061227 |
|
| EXPY | Termination of patent right or utility model | ||
| DD01 | Delivery of document by public notice |
Addressee: Wang Chunguang Document name: Notification of Expiration of Patent Right Duration |