CN104078712A - Lithium ion battery parallel formation method and device - Google Patents
Lithium ion battery parallel formation method and device Download PDFInfo
- Publication number
- CN104078712A CN104078712A CN201410287286.6A CN201410287286A CN104078712A CN 104078712 A CN104078712 A CN 104078712A CN 201410287286 A CN201410287286 A CN 201410287286A CN 104078712 A CN104078712 A CN 104078712A
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- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- parallel connection
- changes
- square tube
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- 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
Abstract
The invention discloses a lithium ion battery parallel formation method and a lithium ion battery parallel formation device. The lithium ion battery parallel formation method comprises the following steps: fixedly arranging a plurality of lithium ion batteries, clamping the lithium ion batteries by utilizing a parallel formation device, and enabling an anode to be tightly contacted with a cathode; connecting a positive tab and a negative tab of the lithium ion battery respectively with a positive output end and a negative output end of an external charging device; charging the lithium ion batteries through the external charging device by adopting a product of the charging current needed by the pre-formation of each lithium ion battery and the quantity of the lithium ion batteries as the charging output current of the external charging device. By adopting the lithium ion battery parallel formation method and device, the space needed by the operation is reduced, the cabinet loading and unloading times can be reduced, the manpower is saved, and the production efficiency is improved; the expansion of the battery is limited by the formation device, the anode is tightly contacted with the cathode, and an SEI (solid electrolyte interphase) membrane is uniform in forming.
Description
Technical field
The invention belongs to technical field of lithium batteries, relate in particular to method and device that a kind of lithium ion battery parallel connection changes into.
Background technology
At present, in the production technology of lithium ion battery, changing into is an extremely important operation, and the quality that changes into quality directly has influence on many-sided performances such as the capacity of battery, circulation and safety.Change into the process of battery being carried out after fluid injection first charge-discharge that refers to, its Main Function is to form fine and close SEI film (Solid Electrolic Interface in negative terminal surface, solid electrolyte interface film), get rid of simultaneously and form the gas producing in SEI membrane process.
The shortcoming of prior art:
1, existing battery adopts professional battery formation cabinet to change into, and 1 passage only changes into 1 battery for 1 time, when industrialized mass, needs a large amount of formation cabinet and operating space;
2, battery changes into front Over-The-Counter and has changed into rear lower cabinet and all expends a large amount of manpowers and time;
3, the electrolyte corrosion cell shell of taking out of when preventing the battery moisture absorption and change into exhaust before battery Over-The-Counter, every battery all need be at liquid injection port platen towel, needs equally a large amount of manpowers;
4, while changing into, produce gas, battery case expands, and diverse location positive and negative electrode distance is inconsistent, and SEI film forms inhomogeneous.
Summary of the invention
The method and the device that provide a kind of lithium ion battery parallel connection to change into are provided the object of the embodiment of the present invention, being intended to solve battery that existing lithium battery exists in producing changes into front Over-The-Counter and has changed into rear lower cabinet and all expend a large amount of manpowers and time and the time of changing into and produce gas, battery case expands, diverse location positive and negative electrode distance is inconsistent, and SEI film forms inhomogeneous problem.
The embodiment of the present invention is achieved in that a kind of method that lithium ion battery parallel connection changes into, and the method that this lithium ion battery parallel connection changes into comprises the following steps:
Step 1, the multiple lithium ion batteries of fixed placement, and with formation device clamping in parallel, make both positive and negative polarity contact closely;
Step 2, is connected with the cathode output end of external charging equipment the anode ear of lithium ion battery respectively with negative electrode lug with cathode output end;
Step 3, the quantity that changes in advance needed charging current and multiple lithium ion batteries with each lithium ion battery is long-pending, as the charging output current of external charging equipment, is charged by the multiple lithium ion batteries of external charging equipment.
Further, in step 1, the anode ear of multiple lithium ion batteries and negative electrode lug remain in respectively on same straight line, are then fixedly clamped together.
Further, in step 2, after the anode ear of multiple lithium ion batteries and the parallel connection of negative electrode lug difference, then be connected with cathode output end with the cathode output end of external charging equipment.
Further, in step 3, when external charging equipment charges to multiple lithium ion batteries, by multiple lithium ion cell chargings to lithium ion battery default change in advance cell voltage charging upper limit.
1 passage of the lithium ion battery that further, this lithium ion battery parallel connection changes into can change into many batteries 1 time.
The device that provides a kind of lithium ion battery parallel connection to change into is provided another object of the embodiment of the present invention, and the device that this lithium ion battery parallel connection changes into comprises: aluminium square tube, bottom silicon offset plate, top silica gel plate, paper handkerchief, insulation spacer, sidepiece baffle plate, top fixed head, fixed screw, pure nickel band, wire, stainless steel gasket, O type cold end terminal, cold weld end;
Aluminium square tube is arranged on the lowermost end of device, fixed screw is fixed on aluminium square tube inside through aluminium square tube by sidepiece baffle plate, pure nickel band is arranged on bottom silicon offset plate topmost, sidepiece baffle plate is fixed on centre and the both sides of aluminium square tube, top fixed head connects top silica gel plate, paper handkerchief, pure nickel band, and wire two ends are separately installed with O type cold end terminal, and O type cold end terminal arranges cold weld end, wire is fixed in aluminium square tube, and fixed head lower end, top arranges insulation spacer.
Further, aluminium square tube bottom is lined with silica gel plate
Further, on the fixed head of top, be embedded with silica gel plate, under the pure nickel band of top, end device has insulation spacer between connecting.
Further, wire is fixed in aluminium square tube by hold-down nut by cold weld end and stainless steel gasket; In the middle of aluminium square tube, be provided with baffle plate, and be connected with top fixed head with handle nut by screw mandrel.
Method and device that lithium ion battery parallel connection provided by the invention changes into, the method changing into by cell parallel, 1 passage can change into many batteries 1 time, has reduced operation requisite space, has saved formation cabinet; Formation device in parallel, has ensured that each battery positive and negative electrode in parallel all contacts the insulation between good and positive and negative electrode with fixture; Each battery all has good contact when ensureing parallel connection, all has pad, then adopt soft bonding jumper by the positive and negative electrode parallel connection of battery on kerve and top cover, by top cover and kerve fastening, ensure that each battery all contacts well, designed insulation spacer simultaneously, guarantee that both positive and negative polarity insulation is good.The present invention has reduced operation requisite space, has reduced upper and lower cabinet number of times, only presses 1 paper handkerchief on 1 battery formation clamp, has saved manpower, has promoted production efficiency; Formation device restriction cell expansion, closely, SEI film forms evenly in both positive and negative polarity contact, and formation effect is good, can control preferably the consistency that changes into rear cell voltage, contributes to selecting fast bad battery; Do not affect capacity first, cycle performance and the storge quality of battery.
Brief description of the drawings
Fig. 1 is the method flow diagram that lithium ion battery parallel connection that the embodiment of the present invention provides changes into;
Fig. 2 is the apparatus structure schematic diagram that lithium ion battery parallel connection that the embodiment of the present invention provides changes into;
Fig. 3 is the structural representation of the top fixed head that provides of the embodiment of the present invention;
Fig. 4 is the device result of use schematic diagram that lithium ion battery parallel connection that the embodiment of the present invention provides changes into.
In figure: 1, aluminium square tube; 2, bottom silicon offset plate; 3, top silica gel plate; 4, paper handkerchief; 5, insulation spacer; 6, sidepiece baffle plate; 7, top fixed head; 8, fixed screw; 9, hold-down nut; 10, pure nickel band; 11, screw mandrel; 12, handle nut; 13, wire; 14, stainless steel gasket; 15, O type cold end terminal; 16, cold weld end.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Below in conjunction with drawings and the specific embodiments, application principle of the present invention is further described.
As shown in Figure 1, the method that the lithium ion battery parallel connection of the embodiment of the present invention changes into comprises the following steps:
S101: the multiple lithium ion batteries of fixed placement, and with formation device clamping in parallel, make both positive and negative polarity contact closely;
S102: the anode ear of lithium ion battery is connected with cathode output end with the cathode output end of external charging equipment respectively with negative electrode lug;
S103: the quantity that changes in advance needed charging current and multiple lithium ion batteries with each lithium ion battery is long-pending, as the charging output current of external charging equipment, is charged by the multiple lithium ion batteries of external charging equipment;
In step S101, the anode ear of multiple lithium ion batteries and negative electrode lug remain in respectively on same straight line, are then fixedly clamped together;
In step S102, by after the anode ear of multiple lithium ion batteries and the parallel connection of negative electrode lug difference, then be connected with cathode output end with the cathode output end of external charging equipment;
In step S103, when external charging equipment charges to described multiple lithium ion batteries, by multiple lithium ion cell chargings to lithium ion battery default change in advance cell voltage charging upper limit;
1 passage of the lithium ion battery that lithium ion battery parallel connection of the present invention changes into can change into many batteries 1 time, and battery changes into rear capacity and distributes all consistent with the battery changing into by formation cabinet with cycle life.
As shown in Fig. 2-Fig. 4, the device that the lithium ion battery parallel connection of the embodiment of the present invention changes into is mainly made up of aluminium square tube 1, bottom silicon offset plate 2, top silica gel plate 3, paper handkerchief 4, insulation spacer 5, sidepiece baffle plate 6, top fixed head 7, fixed screw 8, hold-down nut 9, pure nickel band 10, screw mandrel 11, handle nut 12, wire 13, stainless steel gasket 14, O type cold end terminal 15, cold weld end 16;
Aluminium square tube 1 is arranged on the lowermost end of device, fixed screw 8 is fixed on aluminium square tube inside through aluminium square tube 1 by sidepiece baffle plate 6, pure nickel band 10 is arranged on bottom silicon offset plate 2 topmost, sidepiece baffle plate 6 is fixed on centre and the both sides of aluminium square tube, top fixed head 7 connects top silica gel plate 3, paper handkerchief 4, pure nickel band 10, wire 13 two ends are separately installed with O type cold end terminal 15, O type cold end terminal 15 arranges cold weld end 16, wire 13 is fixed in aluminium square tube 1, and fixed head 7 lower ends in top arrange insulation spacer 5; Aluminium square tube 1 bottom is lined with silica gel plate; On top fixed head 7, be embedded with silica gel plate, between pure nickel band 10 times end devices in top connect, have insulation spacer 5; Wire 13 is fixed in aluminium square tube 1 by hold-down nut 9 by cold weld end 16 and stainless steel gasket 14; In the middle of aluminium square tube 1, be provided with baffle plate, and be connected with top fixed head 7 with handle nut 12 by screw mandrel 11, avoid because of the distortion that causes after tightening arching upward in the middle of it of the handle nut 12 at top fixed head 7 two ends, made to contact well between pure nickel band 10 on top fixed head 7 and lower end device.
The device that lithium ion battery parallel connection of the present invention changes into, for ensureing that each battery all contacts well, has designed insulation spacer 5 in top fixed head 7 lower ends, ensure that both positive and negative polarity insulation is good;
Each battery all has good contact when ensureing parallel connection, on kerve and top cover, all there is pad (as silicagel pad), adopt again soft bonding jumper 10 (as nickel strap) by the positive and negative electrode parallel connection of battery, by top cover and kerve fastening, ensure that each battery all contacts well, design insulation spacer 5 simultaneously, guaranteed that both positive and negative polarity insulation is good;
Further, the key of this fixture is to ensure that each battery positive and negative electrode in parallel all contacts with fixture well, ensure the insulation between positive and negative electrode simultaneously, this fixture is divided into kerve and top cover two parts, kerve holds battery, make a utmost point (negative or positive electrode) parallel connection of battery, top cover makes another extremely parallel connection of battery.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. the method that lithium ion battery parallel connection changes into, is characterized in that, the method that this lithium ion battery parallel connection changes into comprises the following steps:
Step 1, the multiple lithium ion batteries of fixed placement, and with formation device clamping in parallel, make both positive and negative polarity contact closely;
Step 2, is connected with the cathode output end of external charging equipment the anode ear of lithium ion battery respectively with negative electrode lug with cathode output end;
Step 3, the quantity that changes in advance needed charging current and multiple lithium ion batteries with each lithium ion battery is long-pending, as the charging output current of external charging equipment, is charged by the multiple lithium ion batteries of external charging equipment.
2. the method that lithium ion battery parallel connection as claimed in claim 1 changes into, is characterized in that, in step 1, the anode ear of multiple lithium ion batteries and negative electrode lug remain in respectively on same straight line, are then fixedly clamped together.
3. the method that lithium ion battery parallel connection as claimed in claim 1 changes into, is characterized in that, in step 2, after the anode ear of multiple lithium ion batteries and the parallel connection of negative electrode lug difference, then is connected with cathode output end with the cathode output end of external charging equipment.
4. the method that lithium ion battery parallel connection as claimed in claim 1 changes into, it is characterized in that, in step 3, when external charging equipment charges to multiple lithium ion batteries, by multiple lithium ion cell chargings to lithium ion battery default change in advance cell voltage charging upper limit.
5. the method that lithium ion battery parallel connection as claimed in claim 1 changes into, is characterized in that, 1 passage of the lithium ion battery that this lithium ion battery parallel connection changes into can change into many batteries 1 time.
6. the device that lithium ion battery parallel connection changes into, it is characterized in that, the device that this lithium ion battery parallel connection changes into comprises: aluminium square tube, bottom silicon offset plate, top silica gel plate, paper handkerchief, insulation spacer, sidepiece baffle plate, top fixed head, fixed screw, pure nickel band, wire, stainless steel gasket, O type cold end terminal, cold weld end;
Aluminium square tube is arranged on the lowermost end of device, fixed screw is fixed on aluminium square tube inside through aluminium square tube by sidepiece baffle plate, pure nickel band is arranged on bottom silicon offset plate topmost, sidepiece baffle plate is fixed on centre and the both sides of aluminium square tube, top fixed head connects top silica gel plate, paper handkerchief, pure nickel band, and wire two ends are separately installed with O type cold end terminal, and O type cold end terminal arranges cold weld end, wire is fixed in aluminium square tube, and fixed head lower end, top arranges insulation spacer.
7. the device that lithium ion battery parallel connection as claimed in claim 6 changes into, is characterized in that, aluminium square tube bottom is lined with silica gel plate.
8. the device that lithium ion battery parallel connection as claimed in claim 6 changes into, is characterized in that, on the fixed head of top, is embedded with silica gel plate, and under the pure nickel band of top, end device has insulation spacer between connecting.
9. the device that lithium ion battery parallel connection as claimed in claim 6 changes into, is characterized in that, wire is fixed in aluminium square tube by hold-down nut by cold weld end and stainless steel gasket; In the middle of aluminium square tube, be provided with baffle plate, and be connected with top fixed head with handle nut by screw mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410287286.6A CN104078712A (en) | 2014-06-24 | 2014-06-24 | Lithium ion battery parallel formation method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410287286.6A CN104078712A (en) | 2014-06-24 | 2014-06-24 | Lithium ion battery parallel formation method and device |
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| CN104078712A true CN104078712A (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410287286.6A Pending CN104078712A (en) | 2014-06-24 | 2014-06-24 | Lithium ion battery parallel formation method and device |
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| CN (1) | CN104078712A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162235A (en) * | 2015-09-11 | 2015-12-16 | 大英德创精工设备有限公司 | Charge and discharge control method for energy-saving bus |
| CN107834114A (en) * | 2017-12-01 | 2018-03-23 | 惠州市吉美泰电子科技有限公司 | Lithium ion battery parallel connection formation system and technique |
| CN107887650A (en) * | 2017-10-19 | 2018-04-06 | 江西恒动新能源有限公司 | The sealed clamping system and method that a kind of power lithium-ion battery is once melted into |
| CN112582698A (en) * | 2020-12-15 | 2021-03-30 | 惠州市恒泰科技股份有限公司 | Lithium ion battery and parallel formation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202534743U (en) * | 2012-05-02 | 2012-11-14 | 上海贯裕能源科技有限公司 | Integrated injection and formation fixture for lithium ion battery |
| CN202549999U (en) * | 2011-12-19 | 2012-11-21 | 惠州市恒晔科技有限公司 | Clamp for parallel formation of lithium ion batteries |
| CN102800892A (en) * | 2012-08-21 | 2012-11-28 | 杭州万好万家动力电池有限公司 | Pre-formation method of soft-package lithium ion battery and device thereof |
| CN203932230U (en) * | 2014-06-24 | 2014-11-05 | 王宏栋 | A kind of lithium ion battery formation device in parallel |
-
2014
- 2014-06-24 CN CN201410287286.6A patent/CN104078712A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202549999U (en) * | 2011-12-19 | 2012-11-21 | 惠州市恒晔科技有限公司 | Clamp for parallel formation of lithium ion batteries |
| CN202534743U (en) * | 2012-05-02 | 2012-11-14 | 上海贯裕能源科技有限公司 | Integrated injection and formation fixture for lithium ion battery |
| CN102800892A (en) * | 2012-08-21 | 2012-11-28 | 杭州万好万家动力电池有限公司 | Pre-formation method of soft-package lithium ion battery and device thereof |
| CN203932230U (en) * | 2014-06-24 | 2014-11-05 | 王宏栋 | A kind of lithium ion battery formation device in parallel |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162235A (en) * | 2015-09-11 | 2015-12-16 | 大英德创精工设备有限公司 | Charge and discharge control method for energy-saving bus |
| CN105162235B (en) * | 2015-09-11 | 2017-08-25 | 大英德创精工设备有限公司 | The charge and discharge control method of energy-saving bus |
| CN107887650A (en) * | 2017-10-19 | 2018-04-06 | 江西恒动新能源有限公司 | The sealed clamping system and method that a kind of power lithium-ion battery is once melted into |
| CN107834114A (en) * | 2017-12-01 | 2018-03-23 | 惠州市吉美泰电子科技有限公司 | Lithium ion battery parallel connection formation system and technique |
| CN112582698A (en) * | 2020-12-15 | 2021-03-30 | 惠州市恒泰科技股份有限公司 | Lithium ion battery and parallel formation method thereof |
| CN112582698B (en) * | 2020-12-15 | 2022-07-15 | 惠州市恒泰科技股份有限公司 | Lithium ion battery and parallel formation method thereof |
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Application publication date: 20141001 |