CN106329017A - Assembling technique for new energy power battery - Google Patents
Assembling technique for new energy power battery Download PDFInfo
- Publication number
- CN106329017A CN106329017A CN201610955075.4A CN201610955075A CN106329017A CN 106329017 A CN106329017 A CN 106329017A CN 201610955075 A CN201610955075 A CN 201610955075A CN 106329017 A CN106329017 A CN 106329017A
- Authority
- CN
- China
- Prior art keywords
- battery
- new energy
- welding
- energy resource
- packaging technology
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000003466 welding Methods 0.000 claims abstract description 39
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 21
- 239000003292 glue Substances 0.000 claims abstract description 7
- 239000000178 monomer Substances 0.000 claims abstract description 7
- 210000004027 cell Anatomy 0.000 claims description 49
- 238000012536 packaging technology Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 230000008961 swelling Effects 0.000 abstract 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
Classifications
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention relates to the technical field of a power battery and specifically relates to an assembling technique for a new energy power battery. The assembling technique comprises the following steps: selecting battery monomers with similar properties; coating the surfaces of the battery monomers with heat-conducting glue; combining the battery monomers in the sequence of positive electrode and negative electrode, thereby forming a set of battery cells; connecting the positive electrodes and negative electrodes of the battery monomers in parallel through nickel sheets and welding; performing shell laser welding on the set of battery cells, thereby forming battery modules; combining and assembling the battery modules, thereby forming a battery mold. According to the invention, the heat-conducting glue coats the surfaces of the battery monomers, so that the heat in the battery can be efficiently educed, the problem of battery swelling or short service life of the battery caused by the heat failed to be timely educed when the temperature of the battery is ultrahigh can be solved and the battery technique according to the scheme is simple and efficient.
Description
Technical field
The present invention relates to power battery technology field, the packaging technology of a kind of battery.
Background technology
Nowadays hybrid vehicle and electric automobile are just entering the life of people.The electrokinetic cell that electric automobile is used
Depending on a kind of, there is high voltage, high-energy, high power capacity, the battery of high density characteristic.This kind of battery is to use multiple battery cells to enter
What row was interconnected to form set of cells, and connects this kind of set of cells.
Efficiency and the life-span of battery apparatus are largely dependent upon temperature environment.When reaching a high temperature, battery assembles
The efficiency put and life-span can reduce.During it addition, the temperature constituted between the monocell of battery apparatus exists deviation, exist defeated
Go out characteristic and problem that the life-span has a negative impact.
Summary of the invention
For overcoming above-mentioned technical disadvantages, the present invention provides a kind of packaging technology for new energy resource power battery, to overcome
The problem that the battery life caused because temperature is too high reduces.
The present invention is to use following scheme to realize,
A kind of packaging technology for new energy resource power battery, comprises the steps,
Step one, selects the battery cell that performance is similar, at battery cell surface-coated heat-conducting glue, then by battery by just
Negative pole sequence consensus is combined, and forms one group of battery core;
Step 2, uses nickel sheet in parallel between battery cell, and welds;
Step 3, carries out shell laser welding to one group of battery core, is formed and carries out battery module;
Step 4, is combined packaging to battery module, forms battery modules.
Preferably, in step one, concrete grammar is, selects the battery cell that performance is similar, puts into battery carrier, and will put into
The battery cell of battery carrier carries out both positive and negative polarity detection, and battery cell inconsistent for both positive and negative polarity is carried out position, school so that battery list
Body both positive and negative polarity is consistent.
It is furthermore preferred that in step one, also include being cleaned battery cell both positive and negative polarity.
Preferably, in step one, the battery cell that described selection performance is similar, particularly as follows: between described battery cell
Rated capacity difference is less than or equal to 1V less than or equal to 500MAH, rated voltage difference.
Preferably, in step 2, the method for nickel sheet welding is: a. cleans the both positive and negative polarity of all battery cells, by be assembled
Battery core is fixed on supporting plate, b, and locating support is placed in battery core needs one end of spot welding, and will put into described nickel sheet locating support
In;C. described fixing supporting plate is positioned in positioning pilot hole plate, the laser spot welder with two capillaries is propped up from described location
Above frame, described nickel sheet and battery core group are carried out spot welding in X or the Y direction of plane.Preferably, in step 2, nickel sheet welding
Welding temperature is 1000~1500 DEG C.
Preferably, in step 3, battery case has multiple locating slot, for self-contained battery monomer.
Preferably, in step 3, the welding temperature that battery core carries out shell laser welding is 1000~2000 DEG C.
Preferably, in step 3, also include, the battery modules obtained is carried out assembling obtain electrokinetic cell after laser welding
Bag, particularly as follows: in several battery modules are placed in Battery case and by the fixing connection of connector, and installation panel is inserted
Fitting, cooling fan, high voltage control box, battery management system, bury wire harness underground, finally install battery case cover plate.
Preferably, also include the electrokinetic cell bag of described acquisition is detected, particularly as follows: in electrokinetic cell bag in voltage
Resistance is tested, is limited absolutely resistance test, bus test, volume test.
In the present invention, the surface of battery cell is coated with heat-conducting glue, it is possible to the heat making inside battery can be high
The derivation of effect, to overcome battery when temperature is too high, cell expansion or battery life that heat can not be derived in time and be caused subtract
Little problem, in the program, battery process is the most efficient;Welding method of the present invention instead of the method for artificial range estimation welding, it is ensured that
Weld locations is consistent, spot pitch is consistent, reduces blackout, thus improves quality of welding spot.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, to the present invention
It is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to
Limit the present invention.
The battery packaging technology of the present invention, is according to same model by the battery purchased outward, or the battery of similar nature is made
For the battery cell of battery modules, at the surface-coated heat-conducting glue of battery cell, then it is coated with the battery cell of heat-conducting glue
Carry out parallel combinations according to both positive and negative polarity sequence consensus, as one group of battery core, battery is put into battery carrier.Wherein it is desired to note
, and the battery cell putting into battery carrier is carried out both positive and negative polarity detection, and battery cell inconsistent for both positive and negative polarity is carried out
Correction position so that battery cell positive and negative terminals pole is towards unanimously, and is positioned at same by the positive terminal of all battery cells
Straight line, the negative terminal of all battery cells is positioned at same straight line.
Select the battery cell that performance is similar, particularly as follows: the rated capacity difference between described battery cell is less than or equal to
500MAH, rated voltage difference are less than or equal to 1V;Also include, select same type of battery cell, such as, all select lithium-ion electric
Pond, lead-acid accumulator or nickel-hydrogen accumulator.
Battery carrier behind position, school is cleaned, battery carrier is packaged welding so that battery is fixed in battery carrier
Portion.
The method of above-mentioned nickel sheet welding is: a. removes the dust on all battery cell positive/negative plates, in case in welding or
Use makes, owing to dust forms short circuit, battery core to be assembled to be fixed on supporting plate;B. locating support is placed in battery core and needs spot welding
One end, and nickel sheet locating support will be put into;C. fixing supporting plate is positioned in positioning pilot hole plate, will there are two capillaries
Laser spot welder carries out spot welding to described nickel sheet and battery core group in the X-direction of plane above locating support, forms battery also
The battery module of connection, or use same method that in plane or Y direction, described nickel sheet and battery core group are carried out spot welding, formed
The battery module of cell parallel, uses such welding method, it is ensured that weld locations is consistent, spot pitch is consistent, reduces and sends out
Black, thus improve quality of welding spot.
Fixing supporting plate when the X-direction of plane carries out spot welding, then to be led by above-mentioned electric welding machine by nickel sheet relative to location
Orifice plate moves a constant spacing in plane X-direction, and keeps the invariant position of nickel sheet locating support, continues to equal nickel sheet
The X-direction in face carries out spot welding, as to nickel sheet when the X-direction of plane carries out spot welding, then will be by fixing supporting plate relative to fixed
Position guide hole plate moves a constant spacing in plane Y direction, and keeps the invariant position of nickel sheet locating support, continues described
The Y direction of the plane of nickel sheet carries out spot welding.
After battery module supports, use whether the welding of ultrasonic examination detection battery has rosin joint, if any rosin joint, again enter
Row welding, until qualified.
Qualified battery module is combined packaging, loads in plastic housing, form battery modules.
The battery modules obtained after laser welding is carried out assembling and obtains electrokinetic cell bag, particularly as follows: by several batteries
Connect in module is placed in Battery case and by connector is fixing, and panel plug connector, cooling fan, high voltage control are installed
Box, battery management system, bury wire harness underground, battery case cover plate is finally installed.
The electrokinetic cell bag of described acquisition is detected, particularly as follows: voltage inner walkway in electrokinetic cell bag, ration the power supply absolutely
Resistance test, bus test, volume test.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, the change that can readily occur in or replacement,
All should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is as the criterion.
Claims (10)
1. the packaging technology for new energy resource power battery, it is characterised in that comprise the steps,
Step one, selects the battery cell that performance is similar, at battery cell surface-coated heat-conducting glue, then by battery cell by just
Negative pole sequence consensus is combined, and forms one group of battery core;
Step 2, between battery cell both positive and negative polarity, each employing nickel sheet is in parallel, and welds;
Step 3, carries out shell laser welding to one group of battery core, is formed and carries out battery module;
Step 4, is combined packaging to battery module, forms battery modules.
Packaging technology for new energy resource power battery the most according to claim 1, it is characterised in that in step one, tool
Body method is, selects the battery cell that performance is similar, puts into battery carrier, and the battery cell putting into battery carrier is carried out both positive and negative polarity
Detection, and battery cell inconsistent for both positive and negative polarity is carried out position, school so that battery cell both positive and negative polarity is consistent.
Packaging technology for new energy resource power battery the most according to claim 1 and 2, it is characterised in that in step one,
Also include being cleaned battery cell both positive and negative polarity.
Packaging technology for new energy resource power battery the most according to claim 1 and 2, it is characterised in that in step one,
The battery cell that described selection performance is similar, particularly as follows: the rated capacity difference between described battery cell less than or equal to 500MAH,
Rated voltage difference is less than or equal to 1V.
Packaging technology for new energy resource power battery the most according to claim 1 and 2, it is characterised in that in step 2,
The method of nickel sheet welding is: after a. cleans the both positive and negative polarity of all battery cells, battery core to be assembled be fixed on supporting plate, b, will be fixed
Position is placed on battery core needs one end of spot welding, and nickel sheet is put into described locating support;C. described fixing supporting plate is placed
In positioning pilot hole plate, will there is the laser spot welder of two capillaries above described locating support to described nickel sheet and battery core group
X or Y direction in plane carry out spot welding.
Packaging technology for new energy resource power battery the most according to claim 1 and 2, it is characterised in that in step 2,
The welding temperature of nickel sheet welding is 1000~1500 DEG C.
Packaging technology for new energy resource power battery the most according to claim 1 and 2, it is characterised in that in step 3,
Battery case has multiple locating slot, for self-contained battery monomer.
Packaging technology for new energy resource power battery the most according to claim 1 and 2, it is characterised in that in step 3,
The welding temperature that battery core carries out shell laser welding is 1000~2000 DEG C.
The most according to claim 6 for new energy resource power battery packaging technology, it is characterised in that in step 3, also to wrap
Include, the battery modules obtained is carried out assembling obtain electrokinetic cell bag, particularly as follows: several battery modules put after laser welding
Connect in Battery case and by connector is fixing, and panel plug connector, cooling fan, high voltage control box, electricity are installed
Pond manages system, buries wire harness underground, finally installs battery case cover plate.
The most according to claim 9 for new energy resource power battery packaging technology, it is characterised in that also to include described
The electrokinetic cell bag obtained detects, particularly as follows: voltage inner walkway in electrokinetic cell bag, limit resistance test absolutely, bus is surveyed
Examination, volume test.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610955075.4A CN106329017B (en) | 2016-11-03 | 2016-11-03 | A kind of packaging technology for new energy resource power battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610955075.4A CN106329017B (en) | 2016-11-03 | 2016-11-03 | A kind of packaging technology for new energy resource power battery |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106329017A true CN106329017A (en) | 2017-01-11 |
CN106329017B CN106329017B (en) | 2019-02-15 |
Family
ID=57819050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610955075.4A Expired - Fee Related CN106329017B (en) | 2016-11-03 | 2016-11-03 | A kind of packaging technology for new energy resource power battery |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106329017B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109473687A (en) * | 2018-12-24 | 2019-03-15 | 陈泽华 | One kind having innovation detachable maintaining classification battery automatic producing device |
CN109599584A (en) * | 2018-11-28 | 2019-04-09 | 江西安驰新能源科技有限公司 | A kind of lithium battery PACK assembling characterization processes |
CN110729444A (en) * | 2019-10-23 | 2020-01-24 | 惠州市云达动力电子科技有限公司 | Automatic production line of lithium battery |
CN114639859A (en) * | 2022-05-18 | 2022-06-17 | 南通万亨新能源科技有限公司 | Assembling process for new energy power battery |
CN114744271A (en) * | 2022-04-07 | 2022-07-12 | 江苏远信储能技术有限公司 | Energy storage module annular production line |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101685886A (en) * | 2008-09-28 | 2010-03-31 | 江苏双登电源有限公司 | Method for assembling flexible package lithium ion battery |
CN101944638A (en) * | 2010-09-08 | 2011-01-12 | 奇瑞汽车股份有限公司 | Manufacturing method of lithium-ion battery pack used for electric automobile |
JP5120631B2 (en) * | 2008-04-14 | 2013-01-16 | トヨタ自動車株式会社 | Battery pack and power supply system |
CN103427095A (en) * | 2013-08-16 | 2013-12-04 | 深圳市鼎力源科技有限公司 | Manufacturing method of high-capacity power-type battery pack |
CN203377338U (en) * | 2013-07-23 | 2014-01-01 | 山东精工电子科技有限公司 | High-power portable direct-current lithium battery pack |
CN105537835A (en) * | 2016-02-01 | 2016-05-04 | 东莞市奥海电源科技有限公司 | Automatic battery core spot welding device and automatic spot welding method thereof |
-
2016
- 2016-11-03 CN CN201610955075.4A patent/CN106329017B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5120631B2 (en) * | 2008-04-14 | 2013-01-16 | トヨタ自動車株式会社 | Battery pack and power supply system |
CN101685886A (en) * | 2008-09-28 | 2010-03-31 | 江苏双登电源有限公司 | Method for assembling flexible package lithium ion battery |
CN101944638A (en) * | 2010-09-08 | 2011-01-12 | 奇瑞汽车股份有限公司 | Manufacturing method of lithium-ion battery pack used for electric automobile |
CN203377338U (en) * | 2013-07-23 | 2014-01-01 | 山东精工电子科技有限公司 | High-power portable direct-current lithium battery pack |
CN103427095A (en) * | 2013-08-16 | 2013-12-04 | 深圳市鼎力源科技有限公司 | Manufacturing method of high-capacity power-type battery pack |
CN105537835A (en) * | 2016-02-01 | 2016-05-04 | 东莞市奥海电源科技有限公司 | Automatic battery core spot welding device and automatic spot welding method thereof |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109599584A (en) * | 2018-11-28 | 2019-04-09 | 江西安驰新能源科技有限公司 | A kind of lithium battery PACK assembling characterization processes |
CN109473687A (en) * | 2018-12-24 | 2019-03-15 | 陈泽华 | One kind having innovation detachable maintaining classification battery automatic producing device |
CN110729444A (en) * | 2019-10-23 | 2020-01-24 | 惠州市云达动力电子科技有限公司 | Automatic production line of lithium battery |
CN114744271A (en) * | 2022-04-07 | 2022-07-12 | 江苏远信储能技术有限公司 | Energy storage module annular production line |
CN114639859A (en) * | 2022-05-18 | 2022-06-17 | 南通万亨新能源科技有限公司 | Assembling process for new energy power battery |
Also Published As
Publication number | Publication date |
---|---|
CN106329017B (en) | 2019-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106329017A (en) | Assembling technique for new energy power battery | |
JP6496454B2 (en) | Battery module, battery pack including the battery module, and automobile including the battery pack | |
KR101217564B1 (en) | Voltage Sensing Assembly and Battery Module Employed with the Same | |
JP5752151B2 (en) | Battery pack system for improving operating performance using internal battery resistance | |
US10603747B2 (en) | Lead welding apparatus, battery module manufactured by the lead welding apparatus, and battery pack comprising the battery module | |
US20140023887A1 (en) | Pouched type secondary battery including gas discharging device and gas discharging control method | |
KR102224592B1 (en) | Battery pack of matrix structure for electromobile | |
KR20120126932A (en) | Sealing method and device of pouch type secondary battery | |
US20160260952A1 (en) | Connecting structure and method between grid and electrode tab of secondary battery | |
CN106099158A (en) | The method of waste and old electric automobile power battery echelon utilization and compact power thereof | |
CN103606637A (en) | Lithium battery for electric vehicle | |
JP2019121538A (en) | High output battery and capacitor module | |
EP3783693A1 (en) | Battery module, battery pack comprising same battery module, and vehicle comprising same battery pack | |
CN202019028U (en) | Cell core of lithium cell and lithium cell | |
CN104900940B (en) | Battery pack temperature control system and method | |
CN115699407A (en) | Battery pack and vehicle including the same | |
JP2006318703A (en) | Battery pack | |
CN105958103A (en) | Automatic assembling production line and assembling method for power battery of electric vehicle | |
CN105679988A (en) | Battery parallel connection piece, connecting method thereof, battery module and battery pack | |
KR20200086171A (en) | Electrode lead tack welding jig of battery cell | |
CN205921402U (en) | Electric automobile power battery trades electric installation | |
CN111913115B (en) | Thermal runaway triggering method of battery and battery testing system | |
CN211455756U (en) | Lithium battery module | |
CN107946657B (en) | The assemble method of lithium battery core model group | |
KR20120005726A (en) | Cartridge for battery |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 |