CN202905861U - High power lithium battery - Google Patents
High power lithium battery Download PDFInfo
- Publication number
- CN202905861U CN202905861U CN2012205802768U CN201220580276U CN202905861U CN 202905861 U CN202905861 U CN 202905861U CN 2012205802768 U CN2012205802768 U CN 2012205802768U CN 201220580276 U CN201220580276 U CN 201220580276U CN 202905861 U CN202905861 U CN 202905861U
- Authority
- CN
- China
- Prior art keywords
- battery
- nickel
- afflux circle
- current
- high power
- 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
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 18
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 53
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 28
- 238000003466 welding Methods 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000004411 aluminium Substances 0.000 claims description 24
- 238000009413 insulation Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium Ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
Abstract
The utility model discloses a high power lithium battery. The high power lithium battery comprises a battery cell body, an aluminum housing, nickel current-collecting ring, an aluminum current-collecting ring, a negative pole conducting plate, a negative pole leading-out nut, a negative pole nut cap, a sealing ring and a positive leading-out nut, wherein a layer of aluminum housing is coated on the outer surface of the battery cell body, the aluminum current-collecting ring is mounted at one end of the battery cell body, and the nickel current-collecting ring is mounted at the other end of the battery cell body. According to the high power lithium battery, through preparing the battery cell body with two ends provided with the aluminum current-collecting ring and the nickel current-collecting ring by an end face welding technique, an arc-shaped body punched at the bottom of the aluminum housing by positive pole guiding is directly and firmly welded with the aluminum current-collecting ring at the positive pole end of a battery cell by laser, and the excessive heating of the battery is avoided when conduction capacities of charge and discharge of the current of the positive pole end are improved; and when a fault occurs in the battery, the internal pressure of the battery is increased, and when the internal pressure reaches a certain pressure, the arc-shaped body overturns to snap a welding point, so that the use of the battery is safer; a U-shaped bowl made of nickel materials is arranged at the negative pole end, and a manner of electric resistance welding bottom welding in the prior art is replaced by laser welding, so that the welding effect is better, and the shunting of the current is effectively prevented; and a cold-extruded aluminum housing is utilized, so that the weight is light, and the radiating effect is good.
Description
[technical field]
The utility model relates to the technical field of lithium battery, particularly the technical field of the lithium-ion-power cell of high current charge-discharge.
[background technology]
Development along with twentieth century microelectric technique, the equipment of miniaturization is increasing, power supply has been proposed very high requirement, lithium battery has entered the large-scale practical stage thereupon, lithium battery mainly contains two classes: lithium metal battery and lithium ion battery, lithium ion battery originally was mainly used in mobile phone, on the small sized personal electrical appliances such as notebook computer, the continuous expansion that improves constantly and use the field along with manufacturing technology, lithium ion battery begins to electric motor car, motorcycle, the development of the energy storage fields such as automobile, lithium ion battery also begins to develop to large-capacity high-power from original low capacity, to satisfy increasing demand, but traditional battery adopts box hat, radiating effect is bad, and the electric current deriving structure designs according to small-capacity cells, and negative pole adopts at the bottom of the electric resistance welding, and the anodal aluminium flake of growing of using is cooked the conduction handle, seriously place restrictions on high current charge-discharge, affected the result of use of battery.
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, proposes a kind of high power lithium battery, can significantly reduce the resistance that electric current charges and discharge, and is lightweight, good heat dissipation effect, and use procedure is safer.
For achieving the above object, the utility model proposes a kind of high power lithium battery, comprise the battery core core body, aluminum hull, nickel afflux circle, aluminium afflux circle, cathode conductive film, negative pole is drawn nut, cathode cover cap, sealing ring, positive pole is drawn nut, the outer surface of described battery core core body is surrounded by one deck aluminum hull, one end of described battery core core body is equipped with aluminium afflux circle, the other end is equipped with nickel afflux circle, the outside of described nickel afflux circle is provided with negative pole and draws nut, cathode cover cap and sealing ring, described negative pole is drawn between nut and the nickel afflux circle and is provided with cathode conductive film, described aluminum hull and aluminium afflux circle junction are arc, and the outside of described aluminium afflux circle is provided with positive pole and draws nut.
As preferably, described cathode conductive film is U-shaped nickel bowl, and described cathode conductive film is positioned at the center of nickel afflux circle, the bottom of described cathode conductive film is connected by laser welding with nickel afflux circle, replace the way at the bottom of the usefulness Resistance Welding in original technology, avoid current distributing, guarantee the effect of welding.
As preferably, the oral area of described cathode conductive film and cathode cover cap conduct electricity very well by ultrasonic wave or laser welding.
As preferably, also comprise plastic insulation sheet and bleeder port, described plastic insulation sheet is between aluminum hull and aluminium afflux circle, and the side that described positive pole is drawn nut is provided with bleeder port.
As preferably; the curved bottom of described aluminum hull and aluminium afflux circle junction and aluminium afflux circle have replaced the way of welding conduction handle in the conventional art by laser welding, have improved the conducting power that the electric current of positive terminal charges and discharge; avoid battery when discharging and recharging, to generate heat; and by laser welding arc aluminum casing bottom, when inside battery broke down, inner pressure of battery increased; when reaching certain pressure; the aluminum casing bottom arc body will overturn, and breaks pad, plays the safeguard protection effect.
The beneficial effects of the utility model: the utility model is by adopting the end face solder technology to make the battery core of two ends band aluminium afflux circle and nickel afflux circle, the aluminium matter current collection circle direct with camber and the battery core positive terminal that anodal water conservancy diversion utilizes aluminum casing bottom to press and is washed into welds with laser, in the conducting power that raising positive terminal electric current discharges and recharges, avoided the battery excessive heating, and when inside battery breaks down, inner pressure of battery increases, when reaching certain pressure, the aluminum casing bottom arc body will overturn, break pad, battery is used safer, the U-shaped bowl that negative pole end adopts the nickel material to make, and replace way at the bottom of the Resistance Welding in original technology by laser welding, welding effect is better, effectively prevents current distributing, and this battery adopts cold-extruded type aluminum hull, lightweight, good heat dissipation effect.
Feature of the present utility model and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 is that the master of a kind of high power lithium battery of the utility model looks cutaway view.
Among the figure: 1-battery core core body, 2-aluminium afflux circle, 3-nickel afflux circle, 4-aluminum hull, 5-cathode conductive film, 6-negative pole are drawn nut, the 7-positive pole is drawn nut, 8-sealing ring, 9-cathode cover cap, 10-plastic insulation, 11-bleeder port.
[embodiment]
Consult Fig. 1, a kind of high power lithium battery of the utility model, comprise battery core core body 1, aluminum hull 4, nickel afflux circle 3, aluminium afflux circle 2, cathode conductive film 5, negative pole is drawn nut 6, cathode cover cap 9, sealing ring 8, positive pole is drawn nut 7, the outer surface of described battery core core body 1 is surrounded by one deck aluminum hull 4, one end of described battery core core body 1 is equipped with aluminium afflux circle 2, the other end is equipped with nickel afflux circle 3, the outside of described nickel afflux circle 3 is provided with negative pole and draws nut 6, cathode cover cap 9 and sealing ring 8, described negative pole is drawn between nut 6 and the nickel afflux circle 3 and is provided with cathode conductive film 5, described aluminum hull 4 is arc with aluminium afflux circle 2 junctions, the outside of described aluminium afflux circle 2 is provided with positive pole and draws nut 7, described cathode conductive film 5 is U-shaped nickel bowl, described cathode conductive film 5 is positioned at the center of nickel afflux circle 3, the bottom of described cathode conductive film 5 and nickel afflux circle 3 are connected by laser welding, the oral area of described cathode conductive film 5 and cathode cover cap 9 are by ultrasonic wave or laser welding, also comprise plastic insulation sheet 10 and bleeder port 11, described plastic insulation sheet 10 is between aluminum hull 4 and aluminium afflux circle 2, the side that described positive pole is drawn nut 7 is provided with bleeder port 11, and described aluminum hull 4 passes through laser welding with curved bottom and the aluminium afflux circle 2 of aluminium afflux circle 2 junctions.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any scheme after the utility model simple transformation is all belonged to protection range of the present utility model.
Claims (5)
1. high power lithium battery, it is characterized in that: comprise battery core core body (1), aluminum hull (4), nickel afflux circle (3), aluminium afflux circle (2), cathode conductive film (5), negative pole is drawn nut (6), cathode cover cap (9), sealing ring (8), positive pole is drawn nut (7), the outer surface of described battery core core body (1) is surrounded by one deck aluminum hull (4), one end of described battery core core body (1) is equipped with aluminium afflux circle (2), the other end is equipped with nickel afflux circle (3), the outside of described nickel afflux circle (3) is provided with negative pole and draws nut (6), cathode cover cap (9) and sealing ring (8), described negative pole is drawn between nut (6) and the nickel afflux circle (3) and is provided with cathode conductive film (5), described aluminum hull (4) is arc with aluminium afflux circle (2) junction, and the outside of described aluminium afflux circle (2) is provided with positive pole and draws nut (7).
2. a kind of high power lithium battery as claimed in claim 1, it is characterized in that: described cathode conductive film (5) is U-shaped nickel bowl, described cathode conductive film (5) is positioned at the center of nickel afflux circle (3), and the bottom of described cathode conductive film (5) is connected by laser welding with nickel afflux circle (3).
3. a kind of high power lithium battery as claimed in claim 2 is characterized in that: the oral area of described cathode conductive film (5) and cathode cover cap (9) are by ultrasonic wave or laser welding.
4. a kind of high power lithium battery as claimed in claim 1, it is characterized in that: also comprise plastic insulation sheet (10) and bleeder port (11), described plastic insulation sheet (10) is positioned between aluminum hull (4) and the aluminium afflux circle (2), and the side that described positive pole is drawn nut (7) is provided with bleeder port (11).
5. such as each described a kind of high power lithium battery in the claim 1 to 4, it is characterized in that: described aluminum hull (4) passes through laser welding with curved bottom and the aluminium afflux circle (2) of aluminium afflux circle (2) junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205802768U CN202905861U (en) | 2012-11-06 | 2012-11-06 | High power lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205802768U CN202905861U (en) | 2012-11-06 | 2012-11-06 | High power lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202905861U true CN202905861U (en) | 2013-04-24 |
Family
ID=48126490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205802768U Expired - Lifetime CN202905861U (en) | 2012-11-06 | 2012-11-06 | High power lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202905861U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916159A (en) * | 2012-11-06 | 2013-02-06 | 徐敖奎 | High-power lithium battery |
| CN103456914A (en) * | 2013-09-02 | 2013-12-18 | 徐敖奎 | Battery provided with a safety snap device and convenient to weld |
-
2012
- 2012-11-06 CN CN2012205802768U patent/CN202905861U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916159A (en) * | 2012-11-06 | 2013-02-06 | 徐敖奎 | High-power lithium battery |
| CN102916159B (en) * | 2012-11-06 | 2014-12-24 | 徐敖奎 | High-power lithium battery |
| CN103456914A (en) * | 2013-09-02 | 2013-12-18 | 徐敖奎 | Battery provided with a safety snap device and convenient to weld |
| CN103456914B (en) * | 2013-09-02 | 2016-05-18 | 徐敖奎 | The battery of safe breaking device is welded and had to a kind of convenience |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHONGTIAN ENERGY STORAGE TECHNOLOGY Co.,Ltd. Assignor: Xu Aokui Contract record no.: 2014330000042 Denomination of utility model: High-power lithium battery Granted publication date: 20130424 License type: Exclusive License Record date: 20140317 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: ZHONGTIAN ENERGY STORAGE TECHNOLOGY Co.,Ltd. Assignor: Xu Aokui Contract record no.: 2014330000042 Date of cancellation: 20150804 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160321 Address after: 313100 Changxin Economic Development Zone, Zhejiang, Huzhou Patentee after: ZHEJIANG XINGHAI ENERGY TECHNOLOGY Co.,Ltd. Address before: 313100 Zhejiang city of Huzhou province Changxing County economic and Technological Development Zone Taihu Road No. 1346 Zhejiang Xinghai Energy Technology Co. Patentee before: Xu Aokui |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |
|
| CX01 | Expiry of patent term |