CN103682478A - Multi-serial and multi-parallel cylindrical lithium ion battery combination body - Google Patents
Multi-serial and multi-parallel cylindrical lithium ion battery combination body Download PDFInfo
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- CN103682478A CN103682478A CN201210367312.7A CN201210367312A CN103682478A CN 103682478 A CN103682478 A CN 103682478A CN 201210367312 A CN201210367312 A CN 201210367312A CN 103682478 A CN103682478 A CN 103682478A
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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
- 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
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- 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 invention discloses a multi-serial and multi-parallel cylindrical lithium ion battery combination body. The multi-serial and multi-parallel cylindrical lithium ion battery combination body comprises a plurality of single cylindrical lithium ion batteries which are connected to form a serial connection body by spot welding through connection sheets; serial connection combined units are formed by assembling special end brackets and middle connecting and splicing brackets. The plurality of serial connection combined units are spliced to form sheet-shaped multi-serial and multi-parallel combination bodies of the plurality of sets of serial connection combined units by swallow tail slots in the middle connecting and splicing brackets. U-shaped double metal sheets are inserted in the middle connecting and splicing brackets and the plurality of sheet-shaped multi-serial and multi-parallel combination bodies are overlapped and spliced together to be assembled into the multi-serial and multi-parallel cylindrical lithium ion battery combination body, so that the safety protection on the whole set of the multi-serial and multi-parallel cylindrical lithium ion battery combination body is realized. The battery combination body is applicable to manufacturing of large-capacity battery modules for driving motors or energy-storage power stations.
Description
[technical field]
The present invention relates to the many also assemblys of the many strings of a kind of column lithium ion battery, by the combining structure mode of science, make a plurality of column lithium ion batteries have series and parallel connections under safeguard measure, being assembled into cell combination body can use safely in battery module.
[background technology]
Lithium ion battery is a kind of advanced person's chemical energy storage device, has specific energy high, has extended cycle life and environmentally friendly remarkable advantage such as grade.Low capacity lithium ion battery is used in main production communication before, and large capacity, high-power lithium power technology have had breakthrough in recent years, and large-capacity battery pack is being applied aspect pure electric bus, large-scale energy-accumulating power station.Conventional lithium ion battery type comprises square and cylindrical battery.Along with the continuous expansion of technological progress and application, need the capacity of battery more and more higher, the voltage of use is also more and more higher, and more cell need be combined with series and parallel, mostly adopts at present cell combination body to carry out modularized design.
Common series-parallel system is first the both positive and negative polarity of cell connected and be unified into element cell piece, then element cell piece is connected again.The electric current of single battery is first all aggregated in the plate of element cell piece and then is diverted on each cell pole of next stage element cell piece.Like this, the path that battery is flowed through is longer, and the area that collector needs is also larger, and the material consuming is also more.Increase battery weight, reduced the gravimetric specific energy of battery.
In addition, if shape is selected linear in traditional cylindrical battery cascade process, can adopt structure generation contradiction between fixing plate of welding and fixed support, unfavorable shaping, the parallel connection between bunchiness battery batteries at different levels simultaneously will structurally realize and increase a lot of difficulty.
[summary of the invention]
The object of this invention is to provide the many also assemblys of the many strings of a kind of column lithium ion battery, can be directly used in the use of each specifications and models battery mode, can overcome cylindrical battery and be applied to the existing relevant issues that cause in high capacity cell module.
The technology of the present invention makes column lithium ion battery by branched series connection and repeatedly in parallel, combine the many also assemblys of the many strings of a column lithium ion battery.It comprises that a plurality of monomer column lithium ion batteries become a concatermer by plate spot welding link, with special-purpose end frame and centre, connect assembling support and be assembled into a tandem compound unit, then by a plurality of series unit parallel connections, be assembled into the many also assemblys of the many strings of column lithium ion battery.
Tandem compound unit, is by plate spot welding link, to become a concatermer by a plurality of monomer column lithium ion batteries, is bent into certain shape, then with the middle assembling support that connects, the conjuncted battery of adjacent string is fixed to one another together.Concatermer two ends put end frame and finally form tandem compound unit block.Plate material is formed by nickel plated steel strip or nickel strap punching; the large I of minimum sectional area of plate is determined by cell combination body design work size of current; can adjust by adjusting the area of section size of plate the protective current value of battery strings like this; be equivalent to many overcurrent protective devices in tandem in battery pack, effectively promote the overcurrent protection ability of whole cell combination body.
The present invention connects assembling support by centre and is comprised of two parts assemblies, can solve preferably the contradiction between plate welding and bracket assembled between battery.Like this, battery can first be placed on upper spot welding link sheet in fixture and assemble, and then refills support and makes it fixing.Centre connects assembling support has two cylindrical holes the battery of need series connection can be inserted wherein, has passage and can make the plate between battery pass through in the middle of support, and wherein rack upper surface has symmetrical dovetail inserting slot construction, and two parts are fixing by its combination by screw; Middle connection assembling support and end frame material are to be made by insulating material.
The present invention can connect the dovetail slot of offering on assembling support by centre makes a plurality of tandem compounds unit be assembled into sheet tandem compound body by mutually pushing and plugging into dovetail groove.
In centre, connect on assembling support and have the groove that can insert monometallic sheet, the monometallic sheet that is customized to definite shape is inserted between the battery that can make the parallel connection of sheet tandem compound body domestic demand and is linked to be together.Monometallic sheet not only has the function of being connected in parallel in sheet tandem compound body; also have the overcurrent protection regulatory function between cell parallel, sheet metal utilization can be generated heat the principle of fusing under the super stream effect of electric current time by regulating the size of monometallic sheet contact area to realize the regulatory function of overcurrent protection value in parallel.
In centre, connect on assembling support and also have the groove that can insert U-shaped bimetal leaf, the U-shaped bimetal leaf that is customized to U-shaped shape can be inserted.Sheet tandem compound body is by the many also assemblys of the many strings that are superimposed to form different capabilities of varying number.Due to the effect of U-shaped sheet, the needs at different levels battery in parallel in assembly is connected.Equally; how U-shaped bimetal leaf also not only has the function of being connected in parallel in assembly at many strings; also there is the overcurrent protection regulatory function between batteries in parallel connection, the principle of fusing can occur by regulating the large I of monometallic sheet contact area to realize the regulatory function of parallel-current protection value while utilizing sheet metal under overcurrent effect.
The present invention can be superimposed to form a firmly block bonded block by multi-disc by the many also cell combination bodies of the many strings of sheet, by fastening screw by branched column lithium ion battery effectively connection in series-parallel together, be combined into the many and assemblys of the many strings of a column lithium ion battery.Be applicable to make the high capacity cell module of energy driving electric machine or energy-accumulating power station.
[accompanying drawing explanation]
By following picture group, exemplary embodiment is described, of the present invention these illustrate and will become clear and easier to understand.Wherein:
Fig. 1 is column lithium ion battery 4 string 24 the composite unit structure perspective views according to one exemplary embodiment of the present invention.
Fig. 2 is column lithium ion battery 4 tandem compound bodies and the plate spot welding rear view of one exemplary embodiment of the present invention.
Fig. 3 is the rear connection layout of column lithium ion battery 4 tandem compound body spot welding bending of one exemplary embodiment of the present invention.
Fig. 4 is embodiment of the present invention column lithium ion battery 4 tandem compound body perspective views.
Fig. 5 connects assembling support perspective view in the middle of the present invention.
Fig. 6 is end frame perspective view in the middle of the present invention.
Fig. 7 is plate and monometallic sheet and U-shaped bimetal leaf perspective view between one exemplary embodiment battery of the present invention.
Fig. 8 is column lithium ion battery sheet 4 string 4 the assembly perspective views of one exemplary embodiment of the present invention.
Symbol description:
1 cell, 2 plates, assembling support in the middle of 4 band dovetail grooves, assembling support in the middle of 5 troughs of belt, 6 screws, the U-shaped bimetal leaf of 7 finger, 8 monometallic sheets, 9 end frames, 10 cylindrical holes, 11,19 dovetail grooves, 12 pairs of plug in detent mechanisms, 13,27 location holes, 14,15 grooves, 16 passages, 17,18 pairs of slots, the groove of 20a, 20 end frame outer faces, 21 1, finger tandem compound unit, 22 alignment pins, 23 sheet tandem compound bodies, 24 4, finger tandem compound unit.
[embodiment]
Now with reference to accompanying drawing, more fully describe the present invention, at these annexes, there is shown one exemplary embodiment of the present invention.It is in order to expose fully and complete that these embodiment are provided, and design of the present invention is informed to those skilled in the art all sidedly, the identical label identical element of index all the time in figure.Certainly, the present invention can have different execution modes, and should not be construed as and be subject to as mentioned herein some execution modes restrictions, in these accompanying drawings, for clearly explanation, does not indicate concrete size.
Fig. 1 is and composite unit structure perspective view many according to the many strings of the column lithium ion battery of one exemplary embodiment of the present invention.The object of this invention is to provide the many also compound modes of assembly of the many strings of a kind of column lithium ion battery, battery can first be placed on upper spot welding link sheet in fixture and assemble, overcome and now with column lithium ion battery, be applied to caused existing relevant issues in high capacity cell module, use the present invention can make that branched connection in series-parallel battery combination physical efficiency is more scientific also to be fitted together, the plate weight of using is reducing greatly, and connection is reliable, cell combination body is safer.Cell combination body series connection progression can determine arbitrarily, highest number that may be from 2 grades to battery module design; Cell parallel number can require how much and arbitrarily to regulate with battery capacity.Cell combination body can be directly used in the battery mode of each specifications and models.
4 string 24 embodiment also shown in Fig. 1, main this is formed by stacking by 5 sheet cell combination bodies of the present invention (23), for more sharp explanation, in figure, only 4 is stacked, other a slice does not also stack, and it is fixing that assembly finally inserts alignment pin (22).Sheet tandem compound body (23) is inserted and is combined into one mutually by the dovetail groove on support (11) and (17) by 44 tandem compound unit (24).In addition, 4 tandem compound unit (24) in cell combination body of the present invention, are that being connected in series by plate (2) of cell will be conspired to create to one (21) by resistance welding machine spot welding between each crosstalk pond.Then by centre, connect assembling support (4,5) each crosstalk pond is fixed into tandem compound unit (24), see Fig. 4.
Explain: in order to realize the high-power of battery, need to carry out by the parallel connection of N battery increase capacity, need battery plural serial stage to use increases voltage simultaneously.Conventionally cylindrical battery meets by how also how string is combined into assembly the requirement that battery module is used.Obviously, during combination, what kind of series and parallel form battery is, larger on manufacture craft and structural design impact.The series connection of column lithium ion battery single channel is used has more use in applications such as electric tools, and common combined method is that the battery of needs series connection is arranged side by side, and then plate connects nearby.This application structure is simple, easy to make.If but need the then many problems of will being murdered of parallel connection again.Conventional battery series and parallel, need to link into an integrated entity the batteries at different levels of every string by the plate of confluxing.Increase so many plates of confluxing, how by adopting the method for overcurrent protection that out of order battery is realized effectively separating, to have increased many difficulty simultaneously.
In the present invention, adopt major loop first to connect after form in parallel.Major loop strings by the plate between battery, battery can first be placed on upper spot welding link sheet in fixture and assemble, by the lamellule on support, make to have between battery at the same level a less current channel simultaneously, form between battery at the same level and have parallel port, guarantee that lithium ion battery needs the requirement that each battery is monitored in reality series connection is used.Use the present invention can make branched connection in series-parallel make cell combination body easy to assembly, the plate weight of use is reducing greatly, connects reliable, cell combination body safety.
Embodiments of the invention are 4 string 20 column lithium ion battery assemblys.Assembling process is first 4 will prop up battery (1) by 4 series units of Fig. 2 plate for mode (2) spot welding composition; Battery can first be placed on upper spot welding link sheet in fixture and assemble, and can easily battery be fixed, and plate welding can be located with special fixture, a technology difficult problem for bad welding between battery while having solved preferably conventional series-connected cell bunchiness.Then connection place bending is become as shown in Figure 3, make 4 battery tandem compound unit (24).Then be assembled into sheet tandem compound body (23), in fact in assembled process, by monometallic sheet (8), act on, make tandem compound body batteries at different levels in parallel.In the middle of Fig. 4 tandem compound unit (24) the application of the invention, connect assembling support (4,5), series connection progression can determine arbitrarily, highest number that may be from 2 grades to battery module design; The number in parallel of cell combination body also can require how much and arbitrarily to regulate with battery capacity.Can be with being assembled into the cell assembly of a plurality of parallel connections after many cell series connection.Therefore,, according to the present invention, cell combination body can comprise that the battery with respect to the different progression in cell combination body has identical draw bail.
Otherwise, traditional battery series-parallel connection is connected in battery at the same level two ends and has the draw bail of confluxing communicating, no matter be in which rank of, which position of cell combination body, designed battery is connected with upper and lower batteries at different levels after parallel connection again, plate is more, electric current closes by assigning to, then by being incorporated into minute.That is to say, in traditional series and parallel battery combination, the plate of main circuit battery is summarised on a collector body, can not directly with support, it cover bunchiness shape be fixed up and down and between battery.Therefore, traditional cylindrical battery series parallel structure is complicated, use plate material more, the weight increasing makes the gravimetric specific energy index of battery reduce larger, if adopt non-welding procedure can affect the reliability of cell combination body between battery, so traditional battery series-parallel connection architecture quality can not be satisfactory.
Embodiment of the present invention, column lithium ion battery can scientifically combine the many also assemblys of the many strings of a column lithium ion battery by branched series connection and repeatedly in parallel, and cell combination body can directly be used in the battery mode of each specifications and models.Many problems of having evaded conventional batteries series connection.The series and parallel of cell combination body is first from series connection.From Fig. 2, start by example in detail to this bright describing.Shown in Fig. 2: it comprises that 4 monomer column lithium ion batteries become a tandem compound unit (21) by plate spot welding link, tandem compound unit is comprised of each 5 coupled in series sheets (2) of 4 cells (1).Cell (1) is column lithium ion battery, and external structure is mainly block shape positive terminal, the negative pole end that contains insulation cushion; Battery case can overlap plastics or papery insulating case.Coupled in series sheet (2) is welded into one by electric resistance welding Jiang Qi the superior and the subordinate cell point.A plurality of cells become a concatermer by a plurality of plate spot welding links, then be bent into certain shape, load onto respectively two corresponding middle assembling supports (4,5) that connect, at two ends, put respectively more special-purpose end frame (9), be assembled into a tandem compound unit (24).Fig. 4 is shown specifically tandem compound unit (24) shaping rear each parts position and correlation.As we can see from the figure for the monometallic sheet (8) of sheet parallel connection and the particular location that superposes for sheet U-shaped bimetal leaf (7) in parallel.
In the middle of being shown specifically, Fig. 5 connects assembling support (4,5) by assembling support (5) structure in the middle of assembling support (4) and trough of belt in the middle of band dovetail groove.Erection method of the present invention has solved the contradiction between plate postwelding and bracket assembled between battery preferably.Like this, battery can be assembled by first spot welding link sheet, then refills support and positions fixing.The middle assembling support that connects has two cylindrical holes (10) the battery location of need series connection can be inserted wherein, in the middle of support, having passage (16) can make the plate between battery pass through, support (4) has assembled location hole (27) and support (5) assembling part to have a column to make assembled location very convenient to plugging in detent mechanism (12), and structure is also more firm.Two parts are fixedly screwed in its combination together by screw (6).Support (4) has dovetail groove (11), and support (5) has corresponding to slot (17), can be combined into one to inserting.Support (5) to slot position on, have in advance groove (15) and insert for monometallic sheet (8); In support (4) and support (5) both sides, have groove (14) and can make easily in U-shaped bimetal leaf (7) insertion groove.Sheet metal in insertion groove by with battery case plane contact, form conductive channel, for this element cell and other series units batteries at the same level form parallel ports, created condition.Middle assembling support (5) side that connects also has a hole of running through (13), inserts alignment pin (22) during for the stack of sheet concatermer.
Fig. 6 is shown specifically end frame (9), end frame (9) is the same as oat tail groove structure with middle assembling support (4,5), dovetail groove (19) and consistent with middle assembling support direction to slot (18), can be synchronously assembled with middle assembling support.End frame (9) inner face has a cylindrical hole (10) and required fixing battery (1) location can be inserted wherein; In the middle of support, having passage (16) can make the plate between battery pass through.End frame (9) outer face has a darker groove (20), and its effect is can pack the connection of the polarity terminal of battery module into conflux sheet as battery module electrode input/output terminal.End frame (9) outer face also has a less groove (20a), in the time of can standby making battery module and make as signal of communication line trough.End frame axis is symmetrical, and two ends, tandem compound unit (24) can be with same end frame (9).
With reference to Fig. 7, show shape facility and the detailed structure of plate between series-connected cell (2) and monometallic sheet (8) and U-shaped bimetal leaf (7).The monometallic sheet (8) and the U-shaped bimetal leaf (7) that are customized to definite shape can connect on assembling support and insert in reserved groove in centre easily.Due to the effect of monometallic sheet (8) and U-shaped bimetal leaf (7), the needs at different levels battery in parallel in assembly is connected.Simultaneously; how monometallic sheet (8) and U-shaped bimetal leaf (7) also not only have the function of being connected in parallel in assembly at many strings; also have the overcurrent protection regulatory function between batteries in parallel connection, the principle of the fusing of can generating heat while utilizing sheet metal under overcurrent effect is by regulating the size of monometallic sheet contact area to realize the regulatory function of parallel-current protection value.
Fig. 8 is the many also assembly perspective views of the many strings of the column lithium ion battery sheet of one exemplary embodiment of the present invention.Fig. 8 is shown specifically the correlation of each parts in sheet tandem compound body (23).In sheet tandem compound body (23), electric current main flow is to be confluxed and formed by 4 tandem compound unit (24), and the parallel connection of batteries at different levels is connected by Surface Contact by the monometallic sheet (8) connecting on assembling support (5) in the middle of inserting.The described rear connection form in parallel of first series connection that Here it is.Such connection, series connection relies on weld connection, and the contact connection that relies in parallel, has not only simplified the parallel-connection structure between batteries at different levels widely, has also guaranteed the reliability of series connection, and total is brief and concise.
The present invention can be superimposed to form a firmly block bonded block by multi-disc by the many also cell combination bodies of the many strings of sheet, by hold-down bolt by branched column lithium ion battery effectively connection in series-parallel together, be combined into the many and assemblys of the many strings of a column lithium ion battery.
Cell combination body in aforementioned embodiments can be used as to the power supply of drive motor, such as the electromotive power source as driving in fuel oil electric power convertible car, electric motor car, battery-operated motor cycle, electric bicycle, wireless vacuum cleaner etc.Also the energy storage storage source of the available style, light generating etc.
Although in conjunction with some illustrative embodiments, invention has been described above, for a person skilled in the art, should be understood that, the invention is not restricted to disclosed execution mode, and can contain the design of claims and jljl and the various remodeling in scope.
Claims (9)
1. many and assemblys of the many strings of a column lithium ion battery, it comprises that a plurality of monomer column lithium ion batteries become a concatermer by plate spot welding link, with end frame and centre, connect assembling support and be assembled into a tandem compound unit, then by a plurality of series unit parallel connections, be assembled into the many also assemblys of the many strings of column lithium ion battery.
2. many and assemblys of the many strings of lithium ion battery as claimed in claim 1, it is characterized in that the plate material between described battery series connection is formed by nickel plated steel strip or nickel strap punching, the area of section size of plate is determined by cell combination body design work size of current, by spot welding, battery between series connection is connected into one.
3. many and assemblys of the many strings of lithium ion battery as claimed in claim 1, it is characterized in that with the middle assembling support that connects, the battery of its adjacent series connection being fixed to one another together between described series-connected cell, the middle assembling support that connects is comprised of two parts assemblies, external structure has symmetrical dovetail slot, and two parts are tightened in conjunction with fixing by screw.
4. many and assemblys of the many strings of battery as claimed in claim 3, it is characterized in that the described middle assembling support that connects, material is to consist of insulator, be combined into and on structural member, have two cylindrical holes, the battery of need series connection can be inserted wherein, in the middle of support, have groove can make the plate between battery pass through wherein.
5. many and assemblys of the many strings of battery as claimed in claim 3, it is characterized in that the described middle assembling support that connects, have corresponding dovetail groove can plug each other assembled, to insert can be by the tandem compound unit many strings of slabbing in parallel after assembled many and cell combination bodies.
6. many and assemblys of the many strings of battery as claimed in claim 3, is characterized in that in the middle of described connecting assembling support, can plug-in mounting monometallic sheets, and for being connected in parallel of many group tandem compound unit batteries at different levels.
7. many and assemblys of the many strings of battery as claimed in claim 3, is characterized in that in the middle of described connecting assembling support, can plug-in mounting U-shaped bimetal leafs, and being connected in parallel between the batteries at different levels of and cell combination bodies many for the many strings of sheet.
8. many and assemblys of the many strings of battery as claimed in claim 7, it is characterized in that the many also cell combination bodies of the many strings of described sheet can be superimposed to form a firmly block bonded block by multi-disc, make branched column lithium ion battery effectively connection in series-parallel together, be combined into the many and assemblys of the many strings of a column lithium ion battery.
9. many and assemblys of the many strings of battery as claimed in claim 8; it is characterized in that by various plates, sheet metal etc., interacting and forming series and parallel relation between described each battery; the fusing of can generating heat when each plate, sheet metal etc. are under the super stream effect of electric current changes the connection in series-parallel relation between battery, thereby realizes the safeguard protection of and assembling lithium ion battery body many to string more than whole group.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210367312.7A CN103682478B (en) | 2012-09-26 | 2012-09-26 | Many and the assembly of the many strings of a kind of column lithium ion battery |
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| CN201210367312.7A CN103682478B (en) | 2012-09-26 | 2012-09-26 | Many and the assembly of the many strings of a kind of column lithium ion battery |
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| CN103682478B CN103682478B (en) | 2015-09-23 |
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| CN105047842A (en) * | 2015-07-31 | 2015-11-11 | 四川力垦锂动力科技有限公司 | Battery group fixing device and battery installation system |
| CN106784577A (en) * | 2016-11-14 | 2017-05-31 | 浙江凯恩电池有限公司 | The cylindrical battery of disjunctor |
| CN107732118A (en) * | 2016-08-10 | 2018-02-23 | 深圳市沃特玛电池有限公司 | A kind of electric automobile chassis structure |
| CN109888416A (en) * | 2019-03-04 | 2019-06-14 | 江苏博煦电池科技有限公司 | A kind of method that lithium ion battery combines in series and parallel |
| CN111293267A (en) * | 2020-03-17 | 2020-06-16 | 先进储能材料国家工程研究中心有限责任公司 | Battery module with fusing protection function |
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| CN111293267B (en) * | 2020-03-17 | 2022-03-15 | 先进储能材料国家工程研究中心有限责任公司 | Battery module with fusing protection function |
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| CN103682478B (en) | 2015-09-23 |
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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. |
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