CN103682479B - A kind of Universal battery module unit - Google Patents
A kind of Universal battery module unit Download PDFInfo
- Publication number
- CN103682479B CN103682479B CN201210367314.6A CN201210367314A CN103682479B CN 103682479 B CN103682479 B CN 103682479B CN 201210367314 A CN201210367314 A CN 201210367314A CN 103682479 B CN103682479 B CN 103682479B
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- Prior art keywords
- battery
- battery module
- support
- unit
- cell
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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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
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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 present invention relates to a kind of column lithium ion battery block combiner unit, it is comprised multiple monomer column lithium ion battery and is fixed by screw by support, support guarantees there is safe separation distance between battery, and cell and weld connection sheet are by welding formation doublet.Multiple screws on support for during battery module assembled with just (bear) the pole polarity sheet that confluxes and form plane contact closely and be connected into integrally.Be welded to connect sheet material to be formed by nickel plated steel strip, nickel strap, copper strips, the punching of nickel plating copper strips, area of section size is determined by cell safety lowest high-current value size.Multiple battery module unit is combined into different capabilities and the various battery module of electric pressure by different permutation and combination.Module dismounting, maintenance, replacing are more convenient, and modular unit is applicable to the high capacity cell module application field of driving electric machine or energy-accumulating power station.
Description
[technical field]
The present invention relates to a kind of column lithium ion battery block combiner unit, relate in high capacity cell module assembled, supported by fixed support with the column lithium ion battery of multiple some and be combined into general module unit, then general module unit being assembled into the high capacity cell application being applicable to energy driving electric machine or energy-accumulating power station by modular design requirement.
[background technology]
Battery module is by instructions for use, by combining the series and parallel of cell, being equipped with corresponding Control protection components and parts and assembling, and convenient like this installation, maintenance, can meet the instructions for use of battery pack.Lithium ion battery is the chemical energy storage device of a kind of advanced person, has specific energy high, has extended cycle life and environmentally friendly remarkable advantage such as grade.Be mainly used in the communications field, in recent years due to the breakthrough of high-power lithium power technology, Li-ion batteries piles is applied in pure electric bus, large-scale energy-accumulating power station before.Conventional lithium ion battery model comprises square and cylindrical battery, along with the continuous expansion of application, need the capacity of battery more and more higher, the voltage of use is also more and more higher, more cell needs series and parallel to use, and mostly adopts modularized design at present.
It is first choose by designing requirement the cell number that total value reaches rated capacity that common battery module makes, each battery is fixed by the structural members such as the support of design specialized, the both positive and negative polarity of battery is first connected in parallel formation integral battery door block by the battery block both positive and negative polarity sheet that confluxes, and is then connected made it series connection by each battery block positive and negative electrode polarity sheet that confluxes by its series connection progression by modular design requirement.Due to the purposes requirement that battery pack is different, string and quantity has very large difference, often run into need design the battery pack structure part of many kinds at cell stack designs, during making, the processing of many parts need make of mold, adds many manufacturing costs, also extends process time.
[summary of the invention]
The object of this invention is to provide the Universal battery module unit that a kind of column lithium ion battery module uses, can be combined by the battery module unit series and parallel of varying number, be assembled into the use of each specifications and models battery mode met the demands easily, enormously simplify the design and assembly work of battery module; Replacing Individual cells can be taken apart to the battery module installed, convenient maintenance, maintenance simultaneously.
So the present invention is characterized in that the basic battery module unit providing a kind of assembled battery module, it comprises the universal mount of multiple monomer column lithium ion battery by a pair configuration design uniqueness, is assembled into parts.Each battery is strained and fixed by screw by two universal mounts, each stent cover sticks cell polarity weld connection sheet and is welded formation doublet by spot welding.Support has multiple screw for during battery module assembled with just (bear) pole polarity conflux sheet connect or when module making for the fixing of other part.By to the different permutation and combination of modular unit, easily column lithium ion battery can be combined into the battery module of all size.
Modular unit, insert in the reserved circular hole of the special support of overall dimension by multiple monomer column lithium ion battery, the location hole that support is opened guarantees there is a safe separation distance between battery, the polarity of modular unit is made to form certain rule by battery polar by appointment placement, the region in parallel that same polarity battery is connected together in formation modular unit by the spot welding of cell polarity weld connection sheet.The battery of opposed polarity forms a series connection region in modular unit by the spot welding of weld connection sheet.
Weld connection sheet material is made up of nickel plated steel strip, nickel strap, copper strips, the punching of nickel plating copper strips; the large I of minimum sectional area that weld connection sheet props up battery to each list is determined by cell safety lowest high-current value size; adjusted the protective current value of cell like this to the sectional area size of cell by adjustment weld connection sheet; be equivalent to many overcurrent protective devices in tandem in battery module, effectively can promote the overcurrent protection ability of whole battery module.
The support that the overall dimension of the present invention's use is special is characterized in that the profile of support is determined by the arrangement regulation design of cylindrical battery, battery disposed at equal distance in support, battery distance comes to determine from by the safe distance needed between battery, and support is symmetrical up and down, does not need to recognize direction especially.Surrounding peripheral shape is equidistant and determine according to battery arrangement periphery.So about multiple support, up and down, assembled can maintenance, can also be equidistant between each battery, effectively improves the space availability ratio of battery module unit.Support material is made up of insulating material.Utilize the pre-buried metal nuts on support of the space between each battery, the sheet that weld connection sheet and polarity on modular unit can be confluxed compresses to be formed and is reliably connected, also can when module making as the fixed pivot of other parts.
Many battery module unit can be reached capacity and the electric pressure of modular design requirement by the present invention by different permutation and combination, the size of battery module can be adjusted by the difference arrangement of modular unit, can design the different various battery modules of profile like this in different spaces.That is: column lithium ion battery first becomes relatively independent modular unit by the present invention by holder combination, again by the permutation and combination of number of modules unit, being connected by screw confluxes on sheet in polarity, be assembled into a battery module combination, be applicable to the high capacity cell module of driving electric machine or energy-accumulating power station.
Feature of the present invention is also because modular unit and the polarity sheet that confluxes is bolted, convenient dismounting.Owing to adopting universal design theory, the part universality that modular unit uses is good, once have Individual cells fault easily can change modular unit in group carry out maintenance and repair.Greatly increase repairing benefit like this, reduce maintenance cost.
[accompanying drawing explanation]
Be described can become clearly and easy understand explanation of the present invention by the following example picture group.Wherein:
Fig. 1 is 9 column lithium ion battery modular unit perspective views of one exemplary embodiment of the present invention.
Fig. 2 is the embodiment of the present invention 9 column lithium ion battery support perspective views.
Fig. 3 is battery module unit one exemplary embodiment battery polar weld connection sheet perspective view of the present invention.
Fig. 4 is the plane graph (Fig. 4 A be arranged in parallel, Fig. 4 B be transversely arranged) of battery module unit one exemplary embodiment of the present invention two kinds difference arrangement.
Fig. 5 is 9 column lithium ion battery modular unit structural representations of one exemplary embodiment of the present invention.
Fig. 6 is the batteries in parallel connection module map (Fig. 6 A is the front view of battery block, and Fig. 6 B is the end view of battery block, and Fig. 6 C is the perspective view of battery block) that one exemplary embodiment of the present invention 16 modular units 144 cells are assembled into.
Fig. 7 is the battery module figure (Fig. 7 A is the front view of battery module, and Fig. 7 B is the perspective view of battery module) of one exemplary embodiment of the present invention 13 cell parallels 3 grades of assembled in series
Fig. 8 is the energy storage battery module map that one exemplary embodiment of the present invention is assembled by four 3 grades of series-connected cell blocks.
Symbol description:
1 lithium ion battery, 2 universal mounts, 3 plates, 4 bolts hole, 5 nut bore, 6 bolts, 7 nuts, 8,13 holes, 9 cylinder fixing holes, 10 through holes, 11 refer to support perimeter profile, and 12 refer to the shape between weld connection sheet to each battery, 14 refer to the minimum cross-sectional area of single battery, and 16 polarity are confluxed sheet, 17 screws, 20 modular units, 20 ' special module.
[embodiment]
More fully will describe the present invention in conjunction with reference to accompanying drawing by example now, provide these execution modes to be to expose fully with complete, and design of the present invention is informed those skilled in the art all sidedly.Certainly, the present invention can have different execution modes, and should not be construed as be subject to as mentioned herein some execution modes restriction, in the drawings, in order to clearly illustrate, do not indicate concrete size.In figure, the label of the parts of identical function is identical all the time.
Fig. 1 is 9 column lithium ion battery modular unit (20) structural perspective of one exemplary embodiment of the present invention.Its example illustrates in the drawings, and 9 column lithium ion batteries (1) make it be fixed together side by side by universal mount (2).Use 2 universal mounts (2) in a modular unit in the present invention, the configuration design of support is unique, and when 2 support Designs, overall dimension structure is identical, symmetrically, can change arbitrarily mutual use, realize general.Support has 9 fixing holes be evenly distributed (9), the size in hole just in time inserts round stake shape battery case, degree of tightness is suitable.Between each battery, spacing is impartial, and spacing is pressed lithium ion battery use safety distance and arranged.
Support requires to insert battery, when the modular unit made by cell parallel, then will firmly believe battery same polarity direction when inserting battery (1) according to modular design; Form series connection region as needed on support, then need firmly believe polar orientation when inserting battery (1), battery is inserted on support by correct polar orientation.The battery loading onto support in exemplary plot 1 can need the polarity of each electrode to be linked together, and the form of connection has multiple.Make the polarity of modular unit form certain rule by battery polar by appointment placement, same polarity battery is connected to form the region in parallel in modular unit by sheet (3) spot welding of cell polarity weld connection.The battery of opposed polarity forms a series connection region in modular unit by the spot welding of weld connection sheet.
Fig. 2 is a pair universal mount perspective view of root Ju embodiment of the present invention design, and support left and right full symmetric, upper and lower two framves are identical, do not need to firmly believe especially to determine direction, so versatility extra-heavy.Support has 9 cylindrical holes be evenly distributed (9) insert location for battery, cylindrical hole (9) bottom has through hole (10) and welds with battery polar end for placement weld connection sheet.Support material is made up of insulating material, favourable at the various retail accessory of bracket assembled, the insulation simultaneously also between the different battery polar of favourable guarantee.8 metal nuts (7) that support utilized the space between each battery pre-buried, this nut can be compressed to be formed and is reliably connected by screw (17) sheet that weld connection sheet and polarity on modular unit to be confluxed, also can when module making as the fixed pivot of other parts.On support is close, place has symmetrical for the bolt hole (4) of two stands set bolt (6) and the hole (5) of embedded nut below; 2 holes (8) have been opened in advance for latch during assembling at support Inner arc place.
Weld connection sheet (3) profile design is determined by support shape and battery strings, parallel form.Weld connection sheet can be shaped by setting bracket, in case of needs are connected in series, only weld connection sheet need be cut according to actual needs, can reach the object be connected in series completely.Fig. 3 example is weld connection sheet perspective view, and because weld connection sheet has versatility, material is nickel plated steel strip or nickel strap, only need form by the punching of standard carriage size mold, significantly simplify cost prepared by the die sinking of weld connection sheet.Between weld connection sheet to each battery by shape as shown in figure (12), convenient welding; The large I of minimum cross-sectional area (14) that weld connection sheet props up battery to each list is determined by cell safety lowest high-current value size; adjusted the protective current value of cell like this by adjustment weld connection sheet to the sectional area size of cell, be equivalent to many overcurrent protective devices in tandem in modular battery.Only need consider that when weld connection sheet designs above-mentioned factor just can promote the overcurrent protection ability of whole battery module effectively.Weld connection sheet has corresponding hole (13) according to 8 metal nuts (7) hole sites pre-buried on support, allows screw (17) pass through when connecting for module assembled.
It is characterized in that the profile of support is determined by the arrangement regulation design of cylindrical battery in support perimeter profile (11), support surrounding peripheral shape is according to the equidistant shaping of battery arrangement peripheral shape.If need assembled in support left and right, as long as the upper and lower principal direction of support be arranged in about support is inverted, just closely can be stitched together with intermediate support.Battery-arrangements in spelling and former support are consistent, same neat between battery, keep former safe spacing, take up space more.So upper and lower with multiple support, left and right is assembled, being combined into that pattern can keep can be equidistant between battery, effectively can improve the space availability ratio of battery module unit.
Fig. 4 is the floor plan that battery module unit demonstration example of the present invention two kinds is different, and figure middle and upper part is the plane graph after three modular units are arranged in juxtaposition, and figure middle and lower part is the plane graph of three transversely arranged cloth postpones of modular unit; Two kinds of different layouts maintain battery longitudinally with horizontal neat, solve the connection in series-parallel Layout Problem of multiple battery preferably, therefrom demonstrate advance of the present invention, versatility, practicality.
In order to more a step makes of the present invention open and complete, Fig. 5 is cylindrical 9 lithium ionic cell module cellular construction explosion views of one exemplary embodiment of the present invention.Can be illustrated more clearly in by Fig. 5, modular unit inner structural members of the present invention and correlation in module group.The column lithium ion battery (1) that 9 polar orientation are consistent loads a pair frame (2), by with 4 set bolts (6) by battery at support internal fixtion, there is identical interval between battery, guarantee energy efficiently radiates heat between battery, have safe separation distance; Respectively 9 batteries and weld connection sheet (3) are joined together by spot welding, form 9 cell parallel bodies.Press together with UNICOM with weld connection sheet (16) plane on support respectively by 8 screws (17) module polarity confluxed sheet up and down.The polarity sheet (16) that confluxes has drawn " just ", " bearing " polar end of this battery module unit respectively.
Fig. 6 is another assembled battery module embodiments with the present invention's assembling.There are 16 transversely arranged one-tenth four of modular unit (20) to arrange in detail in this figure, actually have 144 monomer cylindrical batteries and become a battery block side by side.A high capacity cell block is twisted into modular unit by the screw sheet (16) that to be confluxed by polarity of electrode.In figure, A figure is the front view of battery block, and B figure is the end view of battery block, and C figure is the perspective view of battery block.
Adopt modular unit of the present invention to combine referring now to accompanying drawing 7, describe the present invention and how to realize coupled in series in modular unit.The present embodiment battery module be one by after 13 cell parallel connections 4 string cell combination bodies.Wherein there is the modular unit (20) that 4 complete, carry out assembled in parallel.And have 2 special module unit (20 ') to be divided on support battery that two regions respectively fill 4 opposed polarities, support is loaded onto jointly 8, have a battery location vacancy; Then with being welded to connect the special module (20 ') that sheet and cell point are welded into two opposed polarity regions after segmenting by region.One is assembled into by 13 cylindrical batteries battery module being then connected into 4 grades in parallel by such as scheming A the requirements layout polarity sheet (16,16 ', 16a) that confluxes.In figure, B figure is the perspective view of battery module.
Fig. 8 is another assembled battery module embodiments with embodiment of the present invention assembling.In diagram, have 4 Battery pack blocks be finally assembled into as in battery module.Each modular unit series and parallel is linked to be a battery block through thtee-stage shiplock by cell performance pole cylinder manifold and screw by the LITHIUM BATTERY of 4 modular units, 36 cylindrical battery parallel connections by a battery block reality.Each battery block to be cascaded formation large-sized battery module by electrode converging sheet and screw.This example is actual is column lithium ion battery 36 and the cell combination body of 12 string modules.
Although in conjunction with some illustrative embodiments, invention has been described above, the invention is not restricted to disclosed execution mode, the present invention can have different execution modes, many Universal battery module unit can be reached capacity and the electric pressure of module requirement by the present invention by different permutation and combination, the size of battery module can be adjusted by the difference arrangement of modular unit, can design the different various Universal battery module unit of profile like this in different spaces.That is: column lithium ion battery is first combined into relatively independent modular unit by the present invention by universal mount, again by the permutation and combination of many general module unit, being fixed in polarity by screw confluxes on sheet, be assembled into a battery combination, it is the making being applicable to high configuration device such as motored equipment or energy-accumulating power station battery module.
Claims (8)
1. the Universal battery module unit of an assembled battery module, it comprises the support of multiple monomer column lithium ion battery by a pair design uniqueness, parts are assembled into by bolt, battery is welded by spot welding with cell polarity weld connection sheet on support, support has multiple screw connect for the sheet that confluxes with polarity during battery module assembled and is assembled into battery module;
Multiple monomer column lithium ion battery inserts in the reserved circular hole of support by polar orientation, is inserted the polarity Formation rule making modular unit by battery polar by assigned direction; Same polarity battery is connected can be formed a region in parallel in modular unit by the spot welding of cell polarity weld connection sheet, and the battery of two opposed polarities can form a series connection region by the spot welding of weld connection sheet in modular unit.
2. Universal battery module unit as claimed in claim 1; it is characterized in that described cell polarity weld connection sheet is formed by nickel plated steel strip, nickel strap, copper strips, the punching of nickel plating copper strips; weld connection sheet props up battery minimum sectional area size to each list is determined by cell safety lowest high-current value size, to adjust the fuse protection current value of cell by adjusting soldered contact pin to the area of section size of cell.
3. Universal battery module unit as claimed in claim 1, is characterized in that the circular hole spacing by support is reserved guarantees there is a safe separation distance between battery.
4. Universal battery module unit as claimed in claim 1, is characterized in that described bolt is tightened by the support at battery two ends, is configured to the robust structure of support single battery.
5. Universal battery module unit as claimed in claim 1, it is characterized in that described support utilizes the space between each battery to be embedded with metal nuts, can compress modular unit be welded to connect sheet and the polarity sheet that confluxes and form plane contact by bolt, also can when module making as the fixed pivot of other parts.
6. Universal battery module unit as claimed in claim 1, it is characterized in that making modular unit closely form parallel connection or arranged in series together by different permutation and combination many battery module unit, meet different capabilities and the electric pressure requirement of battery module.
7. Universal battery module unit as claimed in claim 1, is characterized in that the module of different capabilities can combine with general module.
8. Universal battery module unit as claimed in claim 1, it is characterized in that because modular unit and the polarity sheet that confluxes is bolted, convenient dismounting, once there be Individual cells fault easily can carry out maintenance and repair by disassembling module replacing modular unit in group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210367314.6A CN103682479B (en) | 2012-09-26 | 2012-09-26 | A kind of Universal battery module unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210367314.6A CN103682479B (en) | 2012-09-26 | 2012-09-26 | A kind of Universal battery module unit |
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| CN103682479A CN103682479A (en) | 2014-03-26 |
| CN103682479B true CN103682479B (en) | 2015-12-09 |
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| CN201210367314.6A Active CN103682479B (en) | 2012-09-26 | 2012-09-26 | A kind of Universal battery module unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11799159B2 (en) | 2019-09-09 | 2023-10-24 | Samsung Sdi Co., Ltd. | Battery pack |
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| CN104362283A (en) * | 2014-11-12 | 2015-02-18 | 江苏索尔新能源科技股份有限公司 | Current protection type battery pack |
| CN104733673B (en) * | 2015-04-02 | 2017-09-12 | 青海零点新能源科技有限公司 | One kind is used for the detachable pin-connected panel support of lithium battery group battery core |
| CN105140457B (en) * | 2015-09-02 | 2017-08-22 | 广州小鹏汽车科技有限公司 | A kind of battery connecting wafer structure and battery modules |
| CN105489821A (en) * | 2015-12-22 | 2016-04-13 | 广州汽车集团股份有限公司 | Battery module |
| CN105958127A (en) * | 2016-06-24 | 2016-09-21 | 双登集团股份有限公司 | Integrated type coiled battery |
| CN106099213A (en) * | 2016-08-09 | 2016-11-09 | 中科众瑞（哈尔滨）清洁能源股份有限公司 | A kind of novel high-capacity power nickel-hydrogen cell |
| CN106129488B (en) * | 2016-08-09 | 2018-12-21 | 中科众瑞（哈尔滨）清洁能源股份有限公司 | A kind of novel high-capacity power nickel-hydrogen cell module |
| CN106058132A (en) * | 2016-08-10 | 2016-10-26 | 北京联动天翼科技股份有限公司 | Nickel sheet used for connecting 18650 batteries in series and parallel |
| US10938003B2 (en) * | 2017-09-12 | 2021-03-02 | Chongqing Jinkang New Energy Vehicle Co., Ltd. | Battery packs to power electric vehicles |
| JP7320792B2 (en) * | 2018-09-26 | 2023-08-04 | パナソニックＩｐマネジメント株式会社 | battery module |
| EP3928364A1 (en) * | 2019-02-22 | 2021-12-29 | Tiveni MergeCo, Inc. | Electrical cell connection arrangements and method thereof |
| CN114122625A (en) * | 2021-11-29 | 2022-03-01 | 蜂巢能源科技有限公司 | Connecting device of battery module and battery module |
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| CN103682479A (en) | 2014-03-26 |
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Address after: 226200 No.306 Heping South Road, Huilong Town, Qidong City, Nantong City, Jiangsu Province Patentee after: Jiangsu haisida power supply Co.,Ltd. Patentee after: Jiangsu new power battery and Materials Engineering Technology Research Center Co., Ltd. Address before: 226200 No. 306 Heping South Road, Huilong Town, Jiangsu, Qidong Patentee before: JIANGSU HIGHSTAR BATTERY MANUFACTURING Co.,Ltd. Patentee before: Jiangsu new power battery and Materials Engineering Technology Research Center Co., Ltd. |