CN204067500U - A kind of column lithium ion battery - Google Patents
A kind of column lithium ion battery Download PDFInfo
- Publication number
- CN204067500U CN204067500U CN201420375877.4U CN201420375877U CN204067500U CN 204067500 U CN204067500 U CN 204067500U CN 201420375877 U CN201420375877 U CN 201420375877U CN 204067500 U CN204067500 U CN 204067500U
- Authority
- CN
- China
- Prior art keywords
- battery
- lug
- lithium ion
- baffle
- battery core
- 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 - Fee Related
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 33
- 238000001746 injection moulding Methods 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 239000004020 conductor Substances 0.000 claims description 15
- 239000004568 cement Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 238000005476 soldering Methods 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012536 packaging technology Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000013112 stability test Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 240000005979 Hordeum vulgare Species 0.000 description 1
- 235000007340 Hordeum vulgare Nutrition 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a kind of column lithium ion battery, comprises battery core, battery cap and baffle, and the cap perimeter of described battery is circular, and core convexes to form mounting groove; Described baffle is positioned in this mounting groove, and is electrically connected with the positive and negative lug of described battery core; Described baffle, is fixed by low-temp low-pressure injection moulding between described block and described battery core.Baffle is built in battery cap inside by this column lithium ion battery, effectively utilizes the space below battery cap, does not reduce the capacity of battery, and directly can be connected with external application electrical appliance and use, fail safe is high.
Description
Technical field
The utility model relates to technical field of lithium ion, particularly, relates to a kind of column lithium ion battery.
Background technology
Due to the development of portable type electronic product, the characteristics such as rechargeable lithium ion battery possesses high voltage, high power capacity with it, reusable, fail safe good, self discharge is little, quickly-chargeable, are widely used.But, because lithium ion battery energy density is high, overcharging, cross and put, overcurrent, short circuit and superhigh temperature discharge and recharge, cross low temperature when using, easily damage.For this reason, existing lithium ion battery all installs battery protecting plate additional, to protect the battery core protection interface of lithium ion battery.The conventional design that lithium ion battery installs baffle additional has two kinds.Be battery end to end or side install a baffle additional, another kind is inside protective circuit being positioned over battery.But, in front a kind of mode, because baffle needs to occupy certain space, thus the shape of battery can be changed, or reduce the capacity of battery.In rear a kind of mode; baffle not only will occupy battery core inner space; reduce battery capacity, electrolyte also can produce corrosion to the metal on baffle, need carry out seal isolation with special material; especially the anode lead-in wire of baffle must be connected to the below of battery core in the battery by the top of battery core; thus the Insulation Problems of the anode brought lead-in wire, meanwhile, this is also a great potential safety hazard; once battery is at internal short-circuit, baffle cannot play a role.Thus, protective circuit is positioned over the mode of the inside of battery, not only production difficulty is large, and the lower and product of rate of finished products has larger potential safety hazard.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of column lithium ion battery, effectively utilizes the space below battery cap, does not reduce the capacity of battery, and directly can be connected with external application electrical appliance and use, fail safe is high.
The technical solution of the utility model is as follows: a kind of column lithium ion battery, comprises battery core, and battery cap and baffle, is characterized in that, the cap perimeter of described battery is circular, and core convexes to form mounting groove; Described baffle is positioned in this mounting groove, and described baffle is electrically connected with the positive and negative lug of battery core; Between described block and described battery core, low-temp low-pressure injection moulding is fixed.
The anode ear of described battery core is connected with described baffle spot welding or soldering connects, and described negative electrode lug is connected with described baffle spot welding by a flexible conductor or soldering connects.
Also insulating trip is provided with between the upper surface of described baffle and described battery core; insulating trip is provided with the first opening and the second opening; the position of described first opening is corresponding with the weld locations of baffle with anode ear; the position of described second opening is corresponding with the weld locations of baffle with negative electrode lug, thus isolates the positive and negative electrode of described battery core and the pad of described baffle.
Described flexible conductor is strip conductor, with negative electrode lug junction from battery core tail end, paste battery core outer wall and rise up into battery cap, be connected with described baffle spot welding.
Described column lithium ion battery also has inhales battery core and described strip conductor described in north paper wrapper.
The positive and negative lug of described battery core all has connecting tab and exposes lug; the described width exposing lug is greater than described connecting tab; described connecting tab connects the pole piece of battery and describedly exposes lug, described in expose lug and cover described connecting tab and be electrically connected with described baffle.
The described lug that exposes is conductive metal sheet.
Described conductive metal sheet is fixed on described connecting tab by low temperature injection moulding insulating cement.While being fixed on connecting tab by conductive metal sheet by low temperature injection moulding, also synchronously can completing cell package, save battery packaging technology, and avoid folding lug or use gummed paper to fix lug, stability test is high.In addition, low temperature injection moulding, process time is short, and insulating cement molding time is short, improves operating efficiency.Especially insulating cement is well attached in the battery core of described battery, can protect the electrical property of battery, has the effect of resistance to chemical attack, sealing, waterproof and dustproof.And battery structure is compact, good looking appearance, battery capacity is high.
Can select folding ground, described conductive metal sheet by being welded on described connecting tab, and is fixed on described connecting tab by insulating tape.
Described connecting tab and described to expose lug one-body molded.
The described lug that exposes is for circular, and square or rectangle, described connecting tab is orthoscopic strip.
The described lug that exposes is provided with "+" or "-" symbol, or other convenient symbol or patterns distinguishing the positive and negative electrode of battery.
T-shaped or the L shape of described lug.
After described connecting tab is folding, described in expose between lug and described battery body and separated by insulation board, described in expose lug and cover described insulation board.
The beneficial effects of the utility model are: column lithium ion battery baffle being built in battery cap inside described in the utility model, effectively utilize the space below battery cap, do not reduce the capacity of battery, directly can be connected with external application electrical appliance and use, fail safe is high, column lithium ion battery described in the utility model also by arrange width larger expose lug, avoid in battery manufacturing procedure because of lug exposed parts positional fluctuation that lug position error causes, thus the electrical connection resulted between outside electrical appliance is broken down, and just add battery, the contact area of negative pole, be convenient to be electrically connected with external application battery, easy to use, improve useful life and the safety in utilization of battery.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of column lithium ion battery described in the utility model.
Fig. 2 is the cross-sectional view of column lithium ion battery shown in Fig. 1, in order to clearly show each parts, in this figure, does not show north gum cover pipe 60.
Fig. 3 is the structural representation of lug described in utility model.
Another structural representation that Fig. 4 is lug described in utility model.
Embodiment
See figures.1.and.2, a kind of column lithium ion battery, comprises battery core 10, battery cap 20 and baffle 30.
Described battery core 10 inside comprises positive plate, negative plate, collector, barrier film and electrolyte, and battery core adopts metal shell, encapsulates after fluid injection.Described battery core 10 also has anode ear 11 and negative electrode lug 12.Described positive and negative lug 11 is connected with the positive and negative plate of described battery core 10 inside respectively with 12.Described battery cap 20 core convexes to form mounting groove 21.Described baffle 30 is positioned in this mounting groove 21.Described baffle 30 have overcharge, cross put, overcurrent and cross the function such as high temperature protection, guarantee the safety in utilization of battery.The positive and negative lug 11 of described battery core 10 is connected respectively by the positive pole of flexible conductor (no display) and described baffle 30 and negative electricity with 12; wherein; this flexible conductor rises up into battery cap 20 pasting battery core outer wall with negative electrode lug 12 junction from the tail end of battery core 30, is connected or soldering connects with the cathode pot-welding of described baffle 30.Described flexible conductor is strip conductor.
See figures.1.and.2, between described backplate 30 and the upper surface of described battery core 10, be also provided with insulating trip 40.Described insulating trip 40 is provided with the first opening 41 and the second opening 42.The position of described first opening 41 is corresponding with the weld locations of baffle 30 with anode ear 11; the position of described second opening 42 is corresponding with the weld locations of baffle 30 with negative electrode lug 13, thus isolates the positive and negative electrode of described battery core 20 and the pad of described baffle 30.
With reference to Fig. 1 and Fig. 3, the anode ear 11 of described battery core 10 has connecting tab 111 and exposes lug 112.The described width exposing lug 112 is greater than described connecting tab 111.Described connecting tab 111 connects the pole piece of battery core and describedly exposes lug 112, described in expose lug 112 and can cover described connecting tab 111 and be electrically connected with described baffle 30 by flexible conductor.The structure of described negative electrode lug 12 is identical with described anode ear 11, does not repeat them here.
After described lug is folding, be provided with insulation board 50 described exposing between lug 111 and described core 10.Described insulation board 50 avoids battery short circuit, explosion, improves useful life and the safety in utilization of battery.Described insulating sheet material is of fine quality selects PP, PVC, SBS, asbestos paper, highland barley paper etc.
Described exposing after lug 111 folds covers described insulating trip 50 and described connecting tab 112.
Described block 20, between described baffle 30 and described battery core 10, low-temp low-pressure injection moulding is fixing preferably, and described conductive metal sheet is copper, aluminium, iron etc.
With reference to Fig. 1, described battery core 10 overcoat of described column lithium ion battery has the north gum cover pipe 60 of heat-shrinkable.Described heat-shrinkable T bush 60 can fix the side of lithium ion battery and described strip conductor, beautifies the outward appearance of lithium ion battery and the size of better self-contained battery.
With reference to Fig. 3, described connecting tab 112 and described to expose lug 1111 one-body molded.The described lug 111 that exposes is for disc.Described connecting tab 112 is orthoscopic strips.
Preferably, described in expose lug 112 for conductive metal sheet, expose on lug 112 described in this conductive metal sheet is connected to by the mode of low temperature injection moulding insulating cement.During low temperature injection moulding, by described conductive metal sheet is fixed on connecting tab 111 by insulating cement while, also synchronously can complete lug to fold, conductive metal sheet is made to cover described connecting tab 111 and described insulating cement, thus complete cell package, saved battery packaging technology, and avoided folding lug or use gummed paper to fix lug, stability test is high.In addition, low temperature injection moulding, process time is short, and usually only need the several seconds just can complete, insulating cement molding time also only needs the several seconds, improves operating efficiency.After cell package, insulating cement is well attached in the battery core of described battery, can protect the electrical property of battery, has the effect of resistance to chemical attack, sealing, waterproof and dustproof.And battery structure is compact, good looking appearance, battery capacity is high.
As the selectable mode of one, this conductive metal sheet is also connected on described connecting tab 111 by the mode of welding.With reference to Fig. 4, now, the insulating tape 113 also by being wound around described lug 111 and described conductive metal sheet is fixed.Insulating tape 113 has completely cut off described conductive metal sheet and described battery core 10, avoids electric leakage.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, its framework form can be flexible and changeable, can subseries product.Just make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the utility model is determined by submitted to claims.
Claims (10)
1. a column lithium ion battery, comprises battery core, and battery cap and baffle, is characterized in that, the cap perimeter of described battery is circular, and core convexes to form mounting groove; Described baffle is positioned in this mounting groove, and is electrically connected with the positive and negative lug of described battery core; Described baffle, is fixed by low-temp low-pressure injection moulding between described block and described battery core.
2. column lithium ion battery as claimed in claim 1, is characterized in that, the positive and negative lug of described battery core is connected with described baffle spot welding respectively by a flexible conductor or soldering connects.
3. column lithium ion battery as claimed in claim 2; it is characterized in that; also insulating trip is provided with between the upper surface of described baffle and described battery core; insulating trip is provided with the first opening and the second opening; the position of described first opening is corresponding with the weld locations of baffle with anode ear; the position of described second opening is corresponding with the weld locations of baffle with negative electrode lug, thus isolates the positive and negative electrode of described battery core and the pad of described baffle.
4. column lithium ion battery as claimed in claim 3, it is characterized in that, described flexible conductor is strip conductor, and described flexible conductor enters battery cap pasting battery core outer wall with negative electrode lug junction from battery core tail end, is connected with described baffle.
5. column lithium ion battery as claimed in claim 4, is characterized in that, described column lithium ion battery also has the north paper bag of suction and wraps up in described battery core and described strip conductor.
6. the column lithium ion battery as described in any one of claim 1-5; it is characterized in that; the positive and negative lug of described battery core all has connecting tab and exposes lug; the described width exposing lug is greater than described connecting tab; described connecting tab connects the pole piece of battery core and describedly exposes lug, described in expose lug and cover described connecting tab and be electrically connected with described baffle.
7. column lithium ion battery as claimed in claim 6, it is characterized in that, the described lug that exposes is conductive metal sheet, this conductive metal sheet is fixed on described connecting tab by low temperature injection moulding insulating cement, or described conductive metal sheet is by being welded on described connecting tab, and be fixed on described connecting tab by insulating tape.
8. column lithium ion battery as claimed in claim 6, is characterized in that, described connecting tab and described to expose lug one-body molded.
9. column lithium ion battery as claimed in claim 6, is characterized in that, described in expose lug for circular, square or rectangle, described connecting tab is orthoscopic strip.
10. column lithium ion battery as claimed in claim 6, is characterized in that, after described connecting tab is folding, described in expose between lug and described battery core and separated by insulation board, described in expose lug and cover described insulation board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420375877.4U CN204067500U (en) | 2014-07-08 | 2014-07-08 | A kind of column lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420375877.4U CN204067500U (en) | 2014-07-08 | 2014-07-08 | A kind of column lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204067500U true CN204067500U (en) | 2014-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420375877.4U Expired - Fee Related CN204067500U (en) | 2014-07-08 | 2014-07-08 | A kind of column lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204067500U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078702A (en) * | 2014-07-08 | 2014-10-01 | 东莞市泰有源电池科技有限公司 | Cylindrical lithium ion battery |
| CN106532128A (en) * | 2016-11-30 | 2017-03-22 | 四川赛尔雷新能源科技有限公司 | Lithium ion battery with built-in protective plate |
| CN107706334A (en) * | 2017-10-09 | 2018-02-16 | 惠州亿纬锂能股份有限公司 | A kind of soft-package battery |
| CN108039425A (en) * | 2017-12-06 | 2018-05-15 | 贵州贵安阳光新能源科技有限公司 | The connection fixing means and battery core welding structure of a kind of battery cover board and housing |
| CN108044263A (en) * | 2017-12-08 | 2018-05-18 | 安徽六和同心风能设备有限公司 | Lithium battery welding equipment |
| CN109301310A (en) * | 2018-09-11 | 2019-02-01 | 深圳市思商科技有限公司 | A kind of detachable cylindrical lithium ion battery and its packaging method |
| WO2020156061A1 (en) * | 2019-01-31 | 2020-08-06 | 新余赣锋电子有限公司 | Battery containing soft-packed battery core |
| US10950912B2 (en) | 2017-06-14 | 2021-03-16 | Milwaukee Electric Tool Corporation | Arrangements for inhibiting intrusion into battery pack electrical components |
-
2014
- 2014-07-08 CN CN201420375877.4U patent/CN204067500U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078702A (en) * | 2014-07-08 | 2014-10-01 | 东莞市泰有源电池科技有限公司 | Cylindrical lithium ion battery |
| CN106532128A (en) * | 2016-11-30 | 2017-03-22 | 四川赛尔雷新能源科技有限公司 | Lithium ion battery with built-in protective plate |
| US10950912B2 (en) | 2017-06-14 | 2021-03-16 | Milwaukee Electric Tool Corporation | Arrangements for inhibiting intrusion into battery pack electrical components |
| US11031651B2 (en) | 2017-06-14 | 2021-06-08 | Milwaukee Electric Tool Corporation | Arrangements for inhibiting intrusion into battery pack electrical components |
| US11777151B2 (en) | 2017-06-14 | 2023-10-03 | Milwaukee Electric Tool Corporation | Arrangements for inhibiting intrusion into battery pack electrical components |
| US11916203B2 (en) | 2017-06-14 | 2024-02-27 | Milwaukee Electric Tool Corporation | Arrangements for inhibiting intrusion into battery pack electrical components |
| US11923514B2 (en) | 2017-06-14 | 2024-03-05 | Milwaukee Electric Tool Corporation | Arrangements for inhibiting intrusion into battery pack electrical components |
| CN107706334A (en) * | 2017-10-09 | 2018-02-16 | 惠州亿纬锂能股份有限公司 | A kind of soft-package battery |
| CN108039425A (en) * | 2017-12-06 | 2018-05-15 | 贵州贵安阳光新能源科技有限公司 | The connection fixing means and battery core welding structure of a kind of battery cover board and housing |
| CN108044263A (en) * | 2017-12-08 | 2018-05-18 | 安徽六和同心风能设备有限公司 | Lithium battery welding equipment |
| CN109301310A (en) * | 2018-09-11 | 2019-02-01 | 深圳市思商科技有限公司 | A kind of detachable cylindrical lithium ion battery and its packaging method |
| WO2020156061A1 (en) * | 2019-01-31 | 2020-08-06 | 新余赣锋电子有限公司 | Battery containing soft-packed battery core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 |