CN101814593B - Lithium ion cylinder battery welding clamp and use method thereof - Google Patents
Lithium ion cylinder battery welding clamp and use method thereof Download PDFInfo
- Publication number
- CN101814593B CN101814593B CN201010142968XA CN201010142968A CN101814593B CN 101814593 B CN101814593 B CN 101814593B CN 201010142968X A CN201010142968X A CN 201010142968XA CN 201010142968 A CN201010142968 A CN 201010142968A CN 101814593 B CN101814593 B CN 101814593B
- Authority
- CN
- China
- Prior art keywords
- battery
- block
- lithium ion
- anchor clamps
- clamps
- 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
Images
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
Landscapes
- Secondary Cells (AREA)
Abstract
The invention provides a lithium ion cylinder battery welding clamp and a use method thereof. The welding clamp comprises a cap clamp and battery core clamps, wherein the cap clamp is used for containing battery caps and is provided with four saddles in a circular manner thereon, each two adjacent saddles are arranged at 90 degrees, and the cap clamp can rotate; and the four counterbores are arranged on the battery core clamps, each two adjacent counterbores are arranged at 90 degrees, each counterbore is used for containing the battery cores after being injected with liquid, wherein all tags on the same battery and corresponding cap tags thereof are overlapped on the saddles of the cap clamp and welded together through an ultrasonic welding machine, and the battery core clamps can rotate. The invention solves the industrial difficult problem that the cap tags and the battery tags of the lithium ion cylinder battery can not be welded after liquid injection by using the ultrasonic welding machine; and simultaneously, a method of four-station 360 degree rotating welding is used so as to greatly improve welding rate and the method is more economical and safer than a conventional laser welding method.
Description
Technical field
The present invention relates to a kind of weld jig, particularly a kind of lithium ion cylinder battery welding clamp and method for using.
Background technology
Lithium ion battery is negative pole with the carbon materials, does anodally with the compound that contains lithium, does not have lithium metal to exist, and has only lithium ion, Here it is lithium ion battery.Lithium ion battery is meant that embedding compound with lithium ion is the general name of positive electrode battery.The charge and discharge process of lithium ion battery is exactly the embedding of lithium ion and take off the embedding process.In the embedding of lithium ion with take off in the embedding process, the embedding of simultaneous and lithium ion equivalent electronics and take off embedding (anodal traditionally with embedding or take off embedding and represent, and negative pole with insertion or take off slotting the expression).In charge and discharge process, lithium ion comes and goes between positive and negative electrode that to embed/take off embedding and insertion/take off slotting, is called " rocking chair battery " visually.
The lithium ion battery energy density is big, and average output voltage is high.Self discharge is little, and good battery (can recover) below 2% in every month.There is not memory effect.Operating temperature range is wide to be-20 ℃～60 ℃.But the superior fast charging and discharging of cycle performance, charge efficiency are up to 100%, and power output is big.Long service life.Do not contain poisonous harmful substance, be called as green battery.
Lithium ion battery has the following advantages:
1) voltage is high, and the operating voltage of cell is Ni-Cd, Ni-H battery 3 times up to 3.7-3.8V (LiFePO4 be 3.2V);
2) specific energy is big, and the actual specific energy that can reach at present is about 555Wh/kg, and promptly material can reach the above specific capacity of 150mAh/g (3--4 is doubly to Ni-Cd, and 2--3 is doubly to Ni-MH), has approached about 88% of its theoretical value;
3) have extended cycle life general equal reaching more than 500 times, even more than 1000 times, can the reaching more than 2000 times of LiFePO4.For the electrical equipment of low discharging current, the useful life of battery is with the competitiveness of multiplication electrical equipment;
4) security performance is good, and is nuisanceless, memory-less effect.As Li-ion predecessor's lithium battery, because of being prone to form dendrite, lithium metal is short-circuited, reduced its application; Not containing cadmium, lead, mercury etc. among the Li-ion has the element of pollution to environment; The big disadvantage that the Ni-Cd battery of part technology (like sintered type) exists is " memory effect ", seriously fetter the use of battery, but there is not the problem of this respect in Li-ion;
5) self discharge is little, and the self-discharge rate of Li-ion storage after 1 month that is full of electricity under the room temperature is about 2%, is significantly less than the 25-30% of Ni-Cd, the 30-35% of Ni, MH;
6) but fast charging and discharging, 1C 30 minute volumes that charge can reach more than 80% of nominal capacity, the ferrophosphorus battery can reach 10 minutes and is charged to 90% of nominal capacity now;
7) operating temperature range is high, and working temperature is-25～45 ℃, and along with electrolyte and anodal improvement, expectation can be widened-40～70 ℃.
The research and development of both positive and negative polarity active material is used in the lithium ion battery in recent years, and is quite active in the world, and obtained remarkable progress.The crystal structure of material is regular, and irreversible change does not take place is that to obtain specific capacity high to structure in the charge and discharge process, the key of the lithium ion battery that has extended cycle life.Yet, the structure of intercalation materials of li ions and the research of performance are still the weakest at present link in this field.The research of lithium ion battery is the battery system of one type of continual renovation; Physics can produce significant impact to lithium ion battery with a lot of new achievement in research of chemistry; Such as the nano-solid electrode; Might make lithium ion battery that higher energy density and power density are arranged, thereby increase the range of application of lithium ion battery greatly.In a word, the research of lithium ion battery is a crossing domain that relates to numerous subjects such as chemistry, physics, material, the energy, electronics.The progress in this field has caused the very big interest of chemical power source circle and industrial circle at present.Can expect that along with going deep into of electrode material structure and property relationship research, the various ordered structures that design from molecular level or the positive and negative pole material of doped and compounded structure will effectively promote the research and the application of lithium ion battery.Lithium ion battery will be after NI-G, Ni-MH battery, in significant period of time from now on, and a kind of secondary cell that market prospects are best, with fastest developing speed.Yet the production process more complicated of lithium ion battery is especially had relatively high expectations to the block solder technology of lithium ion cylinder battery.
At present, the block of lithium ion cylinder battery welding dual mode commonly used: one, adopted the ultrasonic bonding block before this, fluid injection again; Two, the laser welding block is adopted in first fluid injection again.For lithium ion battery, particularly cylindrical lithium ion battery will vacuumize before the fluid injection; This just need be to the battery port encapsulation process; It is quite high to material requirements to carry out earlier encapsulation process behind the weldering block, causes electrolyte to overflow in a large number often and wastes, if things go on like this; Not only cause corrosion on Equipment, improved the battery cost simultaneously.The second way also is present more application, and it efficiently solves the sealing problem of first kind of mode, and has promoted welding quality; But it to fluid injection after the pre-treatment job requirement quite strict, need wiping lug repeatedly, above the lug if having fried fire will appear in the residual electrolyte welding process; Cause battery to scrap; In addition, welding process is high to equipment, environmental requirement, and welding cost is far above ultrasonic bonding.
Therefore; The present invention has carried out precise design to anchor clamps after the experience of fully drawing preceding two kinds of welding blocks, well solved sealing problem; Stopped electrolyte waste in the fluid injection process; Welding process does not cause battery to scrap simultaneously, and efficient is low unlike laser welding, and cost is far below laser welding (the laser welding cost exceeds about 30% than mode cost according to the invention)
Summary of the invention
Main purpose of the present invention is to provide a kind of lithium ion cylinder battery welding clamp and method for using; With effective solution adopt ultrasonic welding machine can not be after fluid injection to the lithium ion cylinder battery difficult problem in the industry that lug and battery pole ear weld of blocking a shot; Through effective location to the battery after the fluid injection; Thereby prevent that battery from tilting, guaranteed that battery electrolyte can not revealed in the process of ultrasonic bonding lug, avoid erosion equipment.
Secondary objective of the present invention is to provide a kind of lithium ion cylinder battery welding clamp, and the method that it adopts four stations, 360 degree rotating welding can promote welding efficiency greatly, and is more more economical, safer than method of laser welding commonly used.
For reaching above-mentioned purpose, a kind of lithium ion cylinder battery welding clamp of the present invention, said lithium ion cylinder battery comprises battery cap and battery, and this battery cap has the block lug, and this battery has battery pole ear, and wherein, said weld jig comprises:
The block anchor clamps; Be used to hold battery cap; Be equipped with four saddles on these block anchor clamps, per two adjacent saddles respectively with the geometric center of block anchor clamps be wired to 90 degree, these block anchor clamps can rotate around being positioned at central shaft this block anchor clamps geometric center, extension vertically; And
Battery core clamps; Have four counterbores on it; Per two adjacent counterbores respectively with 90 degree that are wired to of the geometric center of battery core clamps; Each counterbore is used to hold the battery after the fluid injection, and battery pole ear on one of them battery and pairing block lug are overlapping and weld together through ultrasonic welding machine on the saddle of block anchor clamps, and this battery core clamps can be around being positioned at central shaft rotation this battery core clamps geometric center, that vertically extend.
Described lithium ion cylinder battery welding clamp, wherein, corresponding each saddle place also is provided with four block grooves on the block anchor clamps, and said block groove is used to hold said block.
Described lithium ion cylinder battery welding clamp, wherein, the internal diameter of counterbore is identical with the external diameter of battery.
Described lithium ion cylinder battery welding clamp, wherein, the base of these block anchor clamps and battery core clamps all is fixed on the workbench through fang bolt.
The present invention also provides a kind of method for using that is applicable to described lithium ion cylinder battery welding clamp, and the step of said method comprises:
1) four battery caps is positioned over respectively in the block anchor clamps, and the block lug of each block is placed on the saddle;
2) battery after four fluid injections is positioned over respectively in four counterbores of battery core clamps vertically, the battery pole ear of one of them battery is positioned on one of them saddle and is overlapping with a block lug;
3) starting ultrasonic welding machine welds together battery pole ear overlapping on the saddle and block lug.
Described method for using, wherein, after completion was once welded, 90 degree rotated block a shot anchor clamps and battery core clamps simultaneously, start ultrasonic welding machine once more battery pole ear and the block lug that another group overlaps on the saddle welded together.
Described method for using, wherein, block anchor clamps and battery core clamps revolution are crossed and are carried out four times in the process of 360 degree and weld.
Beneficial effect of the present invention is: this two sleeve clamps coordinating operation of anchor clamps and battery core clamps of can realizing blocking a shot efficiently solves lithium ion battery and adopts ultrasonic welding machine after annotating electrolyte, to weld the difficult problem of block again.Its principle is to utilize the block anchor clamps effectively to locate block and block lug, and battery core clamps is effectively located battery simultaneously, and the moving up and down of limit battery core; Supporting with block, make block lug and battery pole ear overlapping, start ultrasonic welding machine; The soldering tip vertical point joins both at the overlapping bit of block lug and battery pole ear, adopts the 360 degree rotations of four stations; Promoted welding efficiency greatly, more more economical, safer than method of laser welding commonly used.
Description of drawings
Fig. 1 is the cutaway view of block anchor clamps of the present invention;
Fig. 2 is the cutaway view of battery clamp of the present invention;
Fig. 3 is the front view of the present invention in implementation process;
Fig. 4 is the vertical view of Fig. 3.
Description of reference numerals: the 1-anchor clamps of blocking a shot; The 10-saddle; The 11-battery cap; The 12-lug of blocking a shot; The 2-battery core clamps; The 20-counterbore; The 21-battery; The 22-battery pole ear; The 9-clamp base of blocking a shot.
Embodiment
About the present invention is the application target that reaches above-mentioned and effect and the technological means that adopted, enumerate preferable feasible embodiment at present, and cooperate graphic shown in, details are as follows:
See also Fig. 1～Fig. 4, lithium ion cylinder battery welding clamp of the present invention, said lithium ion cylinder battery comprise battery cap 11 and battery 21; This battery cap 11 has block lug 12, and this battery 21 has battery pole ear 22, and said weld jig mainly comprises block anchor clamps 1 and battery core clamps 2; Wherein, Be equipped with four saddles 10 on the block anchor clamps 1,10 one-tenth 90 degree of per two adjacent saddles arrange that the position of corresponding each saddle 10 also is provided with four block grooves 100 on block anchor clamps 1; Be used to hold battery cap 11; Said block 11 has block lug 12, when battery cap 11 is arranged in this block groove 100, adjusts this block lug 12 its level is on the saddle 10.In addition, these block anchor clamps 1 can be around being positioned at central shaft (not shown) rotation its geometric center, that vertically extend.
Have four counterbores 20 on the battery core clamps 2; 20 one-tenth 90 degree of per two adjacent counterbores are arranged; The internal diameter of each counterbore 20 is identical substantially with the external diameter of battery 21; Be used for the battery after the fluid injection 21 vertically is placed on each counterbore 20 of battery core clamps 2, simultaneously the battery pole ear 22 on one of them battery 21 stretched to saddle 10, make this battery pole ear 22 on saddle 10, be in overlap condition (like Fig. 3 and shown in Figure 4) with pairing block lug 12.This battery core clamps 2 equally can be around being positioned at central shaft (not shown) rotation its geometric center, that vertically extend.
When the lug 12 of blocking a shot is adjusted to overlap condition with battery pole ear 22 on saddle 10, start the ultrasonic welding machine (not shown), block lug 12 is welded together, the block welding of battery 21 after the completion fluid injection with battery pole ear 22.Through effective location, thereby prevent that battery 21 from tilting, guaranteed that battery electrolyte can not revealed in the process of ultrasonic bonding lug, avoid erosion equipment to the battery after the fluid injection 21.
After accomplishing above-mentioned once welding; 90 degree rotate block anchor clamps 1 and battery core clamps 2 simultaneously; Repeat above-mentioned welding step; Accomplish second, third ... the welding of battery after the fluid injection 21 and block 11, block anchor clamps 1 are crossed 360 degree with battery core clamps 2 revolutions can carry out four welding, promptly adopts the method for four stations, 360 degree rotating welding.
The base of these block anchor clamps 7 and battery clamp 8 all can be fixed on the workbench through fang bolt, in the rotation that guarantees can not limit under the constant situation of the two relative position block anchor clamps 7 and battery core clamps 8.
In sum, the present invention can realize blocking a shot anchor clamps 1 and battery core clamps 2 these two sleeve clamps coordinating operations efficiently solve lithium ion battery and adopt ultrasonic welding machine difficult problem of weldering block again after annotating electrolyte.Its principle is to utilize block anchor clamps 1 effectively location block 11 and block lug 12, the moving up and down of the effective location battery 21 of battery core clamps 2, and limit battery core 21 simultaneously; Supporting with block 11, make block lug 12 overlapping with battery pole ear 22, start ultrasonic welding machine; The soldering tip vertical point joins both at the overlapping bit of block lug 12 and battery pole ear 22, adopts the 360 degree rotations of four stations; Promoted welding efficiency greatly, more more economical, safer than method of laser welding commonly used.
Only the above; Be merely preferred embodiment of the present invention, when can not limiting the scope that the present invention implements, so the displacement of the change of numerical value or equivalent elements such as with this; Or, all should still belong to the category that patent of the present invention contains according to equalization variation and modification that claim of the present invention is done.
Claims (10)
1. lithium ion cylinder battery welding clamp, said lithium ion cylinder battery comprises battery cap and battery, and this battery cap has the block lug, and this battery has battery pole ear, it is characterized in that, and said weld jig comprises:
The block anchor clamps; Be used to hold battery cap; Be equipped with four saddles on these block anchor clamps, per two adjacent saddles respectively with the geometric center of block anchor clamps be wired to 90 degree, these block anchor clamps can rotate around being positioned at central shaft this block anchor clamps geometric center, extension vertically; And
Battery core clamps; Have four counterbores on it; Per two adjacent counterbores respectively with 90 degree that are wired to of the geometric center of battery core clamps; Each counterbore is used to hold the battery after the fluid injection, and battery pole ear on one of them battery and pairing block lug are overlapping and weld together through ultrasonic welding machine on the saddle of block anchor clamps, and this battery core clamps can be around being positioned at central shaft rotation this battery core clamps geometric center, that vertically extend.
2. lithium ion cylinder battery welding clamp according to claim 1 is characterized in that, corresponding each saddle place also is provided with four block grooves on the block anchor clamps, and said block groove is used to hold said block.
3. lithium ion cylinder battery welding clamp according to claim 1 is characterized in that, the internal diameter of counterbore is identical with the external diameter of battery.
4. lithium ion cylinder battery welding clamp according to claim 2 is characterized in that, the internal diameter of counterbore is identical with the external diameter of battery.
5. lithium ion cylinder battery welding clamp according to claim 1 is characterized in that, the base of these block anchor clamps and battery core clamps all is fixed on the workbench through fang bolt.
6. lithium ion cylinder battery welding clamp according to claim 2 is characterized in that, the base of these block anchor clamps and battery core clamps all is fixed on the workbench through fang bolt.
7. lithium ion cylinder battery welding clamp according to claim 3 is characterized in that, the base of these block anchor clamps and battery core clamps all is fixed on the workbench through fang bolt.
8. a method for using that is applicable to each described lithium ion cylinder battery welding clamp in the claim 1 to 7 is characterized in that, the step of said method comprises:
1) four battery caps is positioned over respectively in the block anchor clamps, and the block lug of each block is placed on the saddle;
2) battery after four fluid injections is positioned over respectively in four counterbores of battery core clamps vertically, the battery pole ear of one of them battery is positioned on one of them saddle and is overlapping with a block lug;
3) starting ultrasonic welding machine welds together battery pole ear overlapping on the saddle and block lug.
9. method for using according to claim 8; It is characterized in that; After accomplishing once welding, 90 degree rotation block anchor clamps and battery core clamps start ultrasonic welding machine once more the battery pole ear that another group overlaps on the saddle are welded together with the block lug simultaneously.
10. method for using according to claim 9 is characterized in that, block anchor clamps and battery core clamps revolution are crossed and carried out four times in the process of 360 degree and weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010142968XA CN101814593B (en) | 2010-04-09 | 2010-04-09 | Lithium ion cylinder battery welding clamp and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010142968XA CN101814593B (en) | 2010-04-09 | 2010-04-09 | Lithium ion cylinder battery welding clamp and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101814593A CN101814593A (en) | 2010-08-25 |
| CN101814593B true CN101814593B (en) | 2012-07-04 |
Family
ID=42621764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010142968XA Expired - Fee Related CN101814593B (en) | 2010-04-09 | 2010-04-09 | Lithium ion cylinder battery welding clamp and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101814593B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112276396A (en) * | 2020-10-23 | 2021-01-29 | 湖南鑫锋电子科技有限公司 | Rapid welding battery electrode device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103447684B (en) * | 2013-09-05 | 2015-07-29 | 山东奥冠新能源科技有限公司 | A kind of cylindrical battery cap automatic soldering device |
| CN103909175B (en) * | 2014-03-28 | 2015-11-11 | 青岛云路新能源科技有限公司 | Inductance coil wire stitch smoothes out with the fingers straight device automatically |
| CN106944738A (en) * | 2017-05-03 | 2017-07-14 | 广州市科普超声电子技术有限公司 | A kind of wave welding head of ultrasonic wave and device for ultrasonic welding |
| CN108422147A (en) * | 2018-05-29 | 2018-08-21 | 北斗航天汽车（北京）有限公司 | A kind of cylinder battery welding clamp |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2936531Y (en) * | 2006-08-11 | 2007-08-22 | 深圳市比克电池有限公司 | Ultrasonic welding device for welding lithium ion cell pole ear and lid module |
| CN200970670Y (en) * | 2006-11-16 | 2007-11-07 | 深圳市比克电池有限公司 | Super welding battery clamp |
| CN201189601Y (en) * | 2008-05-06 | 2009-02-04 | 天津力神电池股份有限公司 | Clamper for laser beam welding of lithium ionic cell |
| CN101434008A (en) * | 2007-11-12 | 2009-05-20 | 深圳市比克电池有限公司 | Spot welding device for battery cap and tab |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11233098A (en) * | 1998-02-18 | 1999-08-27 | Toshiba Corp | Negative electrode welding method for battery and its device |
-
2010
- 2010-04-09 CN CN201010142968XA patent/CN101814593B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2936531Y (en) * | 2006-08-11 | 2007-08-22 | 深圳市比克电池有限公司 | Ultrasonic welding device for welding lithium ion cell pole ear and lid module |
| CN200970670Y (en) * | 2006-11-16 | 2007-11-07 | 深圳市比克电池有限公司 | Super welding battery clamp |
| CN101434008A (en) * | 2007-11-12 | 2009-05-20 | 深圳市比克电池有限公司 | Spot welding device for battery cap and tab |
| CN201189601Y (en) * | 2008-05-06 | 2009-02-04 | 天津力神电池股份有限公司 | Clamper for laser beam welding of lithium ionic cell |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-233098A 1999.08.27 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112276396A (en) * | 2020-10-23 | 2021-01-29 | 湖南鑫锋电子科技有限公司 | Rapid welding battery electrode device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101814593A (en) | 2010-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101814593B (en) | Lithium ion cylinder battery welding clamp and use method thereof | |
| CN104037458A (en) | Manufacturing method of lithium ion energy storage device | |
| CN103794815A (en) | Electrolytic solution of rechargeable magnesium cell and application method thereof | |
| CN107403908A (en) | A kind of method for suppressing lithium titanate battery flatulence | |
| CN106532160A (en) | Battery charging method and device | |
| CN106532159A (en) | Battery charging method and device | |
| CN110071341A (en) | A kind of restorative procedure of retired lithium ion battery | |
| JP2010080081A (en) | Secondary battery | |
| CN103367707A (en) | Battery positive pole and preparation method thereof, battery negative pole and preparation method thereof, and capacitor battery | |
| CN106711495A (en) | Electrolyte for lithium battery | |
| CN103474698A (en) | Rechargeable lithium battery electrolyte with lithium metal having high deposition and high dissolution rates and preparation of rechargeable lithium battery electrolyte | |
| CN102769152B (en) | Method for repairing lithium iron phosphate power battery material | |
| CN107732335A (en) | A kind of restorative procedure of liquid metal cell | |
| CN105719844A (en) | Lithium-ion hybrid supercapacitor with long service lifetime | |
| CN105811014A (en) | Composite current collector plate for lithium-ion battery and application method of composite current collector plate | |
| CN104332579B (en) | A kind of lithium-ion battery cathode-post deriving structure and resistance butt-joint method | |
| KR20160048324A (en) | Secondary battery and manufacturing method thereof | |
| CN103762332A (en) | Cylindrical lithium ion battery pack and combination method thereof | |
| CN103985860A (en) | Cylindrical lithium ion battery and manufacturing method thereof | |
| CN102157757B (en) | Vulcanization repairing method for lead-acid storage battery | |
| CN203617375U (en) | Structure of cylindrical storage battery with improved current collection effect | |
| JP2006086060A (en) | Manufacturing method of secondary battery | |
| CN204651387U (en) | A kind of column type Li-ion cell filling device | |
| CN205194779U (en) | Sealing structure of injection hole of battery | |
| CN112928341B (en) | Drum-type half-flow battery and battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20130409 |