CN109904378A - Lithium battery energy storage battery module and lithium battery energy storage battery mould group - Google Patents
Lithium battery energy storage battery module and lithium battery energy storage battery mould group Download PDFInfo
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- CN109904378A CN109904378A CN201910140388.8A CN201910140388A CN109904378A CN 109904378 A CN109904378 A CN 109904378A CN 201910140388 A CN201910140388 A CN 201910140388A CN 109904378 A CN109904378 A CN 109904378A
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- energy storage
- battery
- battery core
- lithium battery
- storage battery
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- 238000004146 energy storage Methods 0.000 title claims abstract description 182
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 143
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 141
- 238000003466 welding Methods 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 90
- 229910052802 copper Inorganic materials 0.000 claims description 90
- 239000010949 copper Substances 0.000 claims description 90
- 239000012528 membrane Substances 0.000 claims description 32
- 238000009434 installation Methods 0.000 claims description 20
- 238000004080 punching Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 4
- 206010037660 Pyrexia Diseases 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003447 ipsilateral effect Effects 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000649 photocoagulation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
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- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention belongs to battery product technical field more particularly to a kind of lithium battery energy storage battery modules and lithium battery energy storage battery mould group.Wherein, lithium battery energy storage battery module includes battery core, battery core bracket and busbar connector, and the tab of battery core is fixed on the tab fixed part of battery core bracket；Busbar connector includes the first cylinder manifold, the second cylinder manifold and connecting plate, and the tab welding with the battery core being installed in battery core bracket, connecting plate are fixedly connected with tab fixed part respectively for the first cylinder manifold and the second cylinder manifold.So, special busbar connector is set for each battery core in battery core bracket in series or in parallel, electrical-contact area when battery core confluence can be reasonably set by the size of the first cylinder manifold of control and the second cylinder manifold, so that it is guaranteed that effective electrical-contact area between battery core, prevent lithium battery energy storage battery module overheat from causing energy loss, it is advantageously implemented the good thermal management of energy-storage module, while improving the energy storage service efficiency of energy storage mould group.
Description
Technical field
The invention belongs to battery product technical field more particularly to a kind of lithium battery energy storage battery module and lithium battery energy storage battery moulds
Group.
Background technique
Since nineteen ninety comes out, lithium ion battery is because its energy density is high, voltage is high, environmental protection, service life are long and can be fast
It is the advantages that speed charging, deep to be pursued by industries such as 3C number, power tools, especially especially to the contribution of new-energy automobile industry
It is prominent.
It is well known that the energy storage capacity of lithium battery monomer is limited, when exclusive use, tends not to the power supply for meeting electric energy product
Demand, by the way that several to hundreds of lithium battery single battery cores are formed one or more battery mould group in series and parallel, in this way, can incite somebody to action
The electric energy of multiple lithium batteries, which collects, is integrated together output, can greatly promote the energy storage of lithium battery and for energy, meet product
Power demand.Although multiple battery core strings and even forming by way of battery modules obtain high power capacity and solving electric energy production
The big electricity centrally connected power supply demand of product, but due to concentrating series-parallel single battery core quantity more, it is corresponding for series-parallel
Electric connecting sheet quantity it is also relatively more, electric connecting sheet designs the unreasonable effective contact surface that frequently can lead between each battery core
Product is reduced, and so as to cause the increase of junction resistance value, battery modules can be produced when being powered at the electric connecting sheet of big resistance value
Raw a large amount of heat, leads to energy loss, is unfavorable for the energy storage thermal management of battery modules, keep the energy storage service efficiency of battery modules big
It is big to reduce, shorten the service life of battery modules, the system temperature excessively high initiation for entirely applying battery modules can be also made when serious
Safety problem.
Summary of the invention
The purpose of the present invention is to provide a kind of lithium battery energy storage battery module and lithium battery energy storage battery mould groups, it is intended to solve existing skill
The electric connecting sheet design of lithium battery energy storage battery module or mould group in art is unreasonable to cause effective electrical-contact area between each battery core to subtract
The small technical problem excessive so as to cause energy-storage module or energy storage mould group heat production.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of lithium battery energy storage battery module, comprising:
Battery core；
Battery core bracket, for installing fixed battery core, battery core bracket has the first peace being oppositely arranged and for installing battery core
The end of dress face and the second mounting surface, battery core bracket has extended to form pole towards away from the first mounting surface/second mounting surface direction
The tab of ear fixed part, the interior battery core installed of the first mounting surface extends the first mounting surface and is fixed on the upper table of tab fixed part
The tab in face, the interior battery core installed of the second mounting surface extends the second mounting surface and is fixed on the lower surface of tab fixed part；
Busbar connector, for being electrically connected each battery core installed in battery core bracket, busbar connector includes the first remittance disposed in parallel
Flowing plate, the second cylinder manifold and the connecting plate being connected between the first cylinder manifold and the second cylinder manifold adjacent end portion, the first confluence
The tab welding of plate and the battery core being installed in the first mounting surface, the second cylinder manifold and the battery core being installed in the second mounting surface
Tab welding, connecting plate are fixedly connected with tab fixed part.
Preferably, the first cylinder manifold is covered on the upper surface of the tab for the battery core installed in the first mounting surface, the second confluence
Plate is covered on the lower surface of the tab for the battery core installed in the second mounting surface；And first cylinder manifold and the second cylinder manifold cross section
Product be all larger than or equal to corresponding tab cross-sectional area.
Preferably, tab fixed part offers several first connecting holes away from the first mounting surface/second mounting surface end,
Several the second connecting holes corresponding with the first connecting hole are offered on connecting plate, connecting plate is solid by the first fastener and tab
Determine portion to be fixedly connected, one end of the first fastener is fixed in corresponding first connecting hole after being pierced by the second connecting hole.
Preferably, battery core bracket is plastic stent, and busbar connector is copper busbar connector.
Preferably, lithium battery energy storage battery module further includes the upper cover sheet and lower cover sheet for protecting battery core, upper guarantor
Protecting cover plate is covered in the top of the first mounting surface and encloses with battery core bracket and sets to form the first installation space, and lower cover sheet is covered in
The lower section of second mounting surface simultaneously encloses with battery core bracket and sets to form the second installation space, battery core be packaged in the first installation space and/or
In second installation space.
Beneficial effects of the present invention: lithium battery energy storage battery module of the invention is provided with dedicated for installing the electricity of battery core
Core support and busbar connector for being electrically connected each battery core installed in battery core bracket, specifically, battery core bracket have opposite
The first mounting surface and the second mounting surface being arranged, battery core are mounted in the first mounting surface and the second mounting surface；Battery core bracket
Tab fixed part has also been extended to form away from the first mounting surface/second mounting surface end, has been installed on the first peace of battery core bracket
The tab of dress face and the battery core on the second mounting surface is individually fixed in the upper and lower surfaces of tab fixed part, busbar connector and pole
Ear fixed part is fixedly connected；Busbar connector has the first cylinder manifold and the second cylinder manifold that are oppositely arranged, wherein the first cylinder manifold with
The tab welding of battery core in first mounting surface, the tab welding of the second cylinder manifold and the battery core in the second mounting surface, to collect
The electric current of battery core in battery core bracket.In this way, special busbar connector is arranged for each electricity in battery core bracket in series or in parallel
Core can be reasonably arranged when battery core is converged by the first cylinder manifold of control bus and the size of the second cylinder manifold
Electrical-contact area avoids so as to ensure effective electrical-contact area between battery core and battery core because of effective electrical-contact area
Reduce and cause at electrically connecting position resistance value excessive and generate a large amount of heat, prevents the energy loss of lithium battery energy storage battery module, have
Conducive to the good thermal management of realization energy-storage module, while improving the energy storage service efficiency of energy-storage module.
It is of the invention another solution is that a kind of lithium battery energy storage battery mould group, including several above-mentioned lithium battery energy storage battery modules
With several for being electrically connected the electrical connection copper sheet of each lithium battery energy storage battery module, each lithium battery energy storage battery module up and down or left and right heap
Folded setting, it is each to be electrically connected copper sheet the busbar connector adjacent in each lithium battery energy storage battery module is fixedly connected respectively.
Preferably, electrical connection copper sheet includes several series connection copper sheets for each lithium battery energy storage battery modules of connecting and several is used for
The copper sheet in parallel of each lithium battery energy storage battery module in parallel, each series connection copper sheet and each copper sheet in parallel pass through the second fastener and each confluence
The connecting plate of row is fixedly connected.
Preferably, series connection copper sheet includes straight panel series connection copper sheet and folded plate series connection copper sheet, and lithium battery energy storage battery module includes difference
The the first energy storage membrane module and the second energy storage membrane module being made of several lithium battery energy storage battery modules；
Each busbar connector of first energy storage membrane module is set in same plane, each busbar connector setting of the second energy storage membrane module
In in same plane, copper sheet in parallel and straight panel series connection copper sheet are connect with each busbar connector being in the same plane respectively；
The plane that first energy storage membrane module is provided with busbar connector is provided with the plane phase of busbar connector with the second energy storage membrane module
To setting, folded plate series connection copper sheet include the first straight plate part disposed in parallel, the second straight plate part and be connected to the first straight plate part and
Interconnecting piece between second straight plate part adjacent end portion, the first straight plate part are connect with the busbar connector on the first energy storage membrane module, and second
Straight plate part is connect with the busbar connector on the second energy storage membrane module.
Preferably, lithium battery energy storage battery mould group further includes several press strips for each lithium battery energy storage battery module of assembly and connection, respectively
Press strip is connect respectively to assemble together each lithium battery energy storage battery module with each battery core bracket.
Preferably, electrical connection copper sheet with a thickness of the copper sheet punching press of 0.5mm~2mm by being made.
Lithium battery energy storage battery mould group of the invention including multiple above-mentioned lithium battery energy storage battery modules for stacking setting, and passes through
Electrical connection copper sheet is electrically connected the busbar connector in each lithium battery energy storage battery module, can be realized between each lithium battery energy storage battery module
Electric current collects, in this way, passing through on the basis of setting busbar connector guarantees the electrical connection contact area of single lithium battery energy storage battery module
When design and the size of control electrical connection copper sheet can further guarantee to converge between each lithium battery energy storage battery module
Electrical-contact area, it is ensured that effective electrical-contact area that each lithium battery energy storage battery module is located in series and parallel reduces resistance value, reduces fever, from
And realize effective thermal management to lithium battery energy storage battery mould group；In addition, connecting each lithium battery energy storage battery module using electrical connection copper sheet
The series-parallel confluence of each lithium battery energy storage battery mould group can be realized in busbar connector, and structure is simple, and assembly operation is easy.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram one of lithium battery energy storage battery mould group provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram two of lithium battery energy storage battery mould group provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram three of lithium battery energy storage battery mould group provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of lithium battery energy storage battery module provided in an embodiment of the present invention；
Fig. 5 is the exploded diagram of lithium battery energy storage battery module provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the battery core bracket of lithium battery energy storage battery module provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the battery core of lithium battery energy storage battery module provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of the copper sheet in parallel of lithium battery energy storage battery mould group provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of the straight panel series connection copper sheet of lithium battery energy storage battery mould group provided in an embodiment of the present invention；
Figure 10 is the structural schematic diagram of the folded plate series connection copper sheet of lithium battery energy storage battery mould group provided in an embodiment of the present invention；
Figure 11 is the enlarged drawing of A in Fig. 3.
Wherein, each appended drawing reference in figure:
1-lithium battery energy storage battery module 2-lithium battery energy storage battery mould 10-battery core of group
11-the 21-the first mounting surfaces of 20-battery core bracket of tab
22-the second 23-tab of mounting surface the 24-the first connecting hole of fixed part
25-third connecting hole 26-support bar, 30-busbar connectors
31-the first cylinder manifold 33-connecting plate of the 32-the second cylinder manifold
40-upper the 42-the second fasteners of the 41-the four connecting hole of cover sheet
43-heat release holes 50-lower cover sheet 60-are electrically connected copper sheet
61-series connection copper sheet 62-63-the five connecting holes of copper sheet in parallel
64-third fastener 70-press strip, 71-straight press strips
72-special-shaped press strip the 331-the second connecting hole the 201-the first energy storage membrane modules
202-the second energy storage 611-straight panel of membrane module series connection 612-folded plate of copper sheet series connection copper sheet
6121-the first straight plate part 6133-interconnecting piece of the 6122-the second straight plate part.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment that Fig. 1~11 is described is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Fig. 1~11, one embodiment of the invention provides a kind of lithium battery energy storage battery module 1, is suitable for single head
The series-parallel confluence of Double-pole lug Soft Roll lithium electricity battery core, specifically, as shown in Fig. 4~10, lithium battery energy storage battery module 1 includes battery core
10, battery core bracket 20 and busbar connector 30, wherein battery core bracket 20 is for installing fixed battery core 10, and busbar connector 30 is for electrically connecting
Connect each battery core 10 installed in battery core bracket 20；Specifically, battery core bracket 20, which has, is oppositely arranged and for installing battery core 10
First mounting surface 21 and the second mounting surface 22, the end of battery core bracket 20 is towards away from 21/ second mounting surface 22 of the first mounting surface
Direction has extended to form tab fixed part 23, and the tab 11 for the battery core 10 installed in the first mounting surface 21 extends the first mounting surface
21 and it is fixed on the upper surface of tab fixed part 23, the tab 11 for the battery core 10 installed in the second mounting surface 22 extends the second peace
Dress face 22 and the lower surface for being fixed on tab fixed part 23；Busbar connector 30 converges including the first cylinder manifold 31, second disposed in parallel
Flowing plate 32 and the connecting plate 33 being connected between 32 adjacent end portion of the first cylinder manifold 31 and the second cylinder manifold, the first cylinder manifold 31
Welded with the tab 11 of battery core 10 being installed in the first mounting surface 21, the second cylinder manifold 32 be installed in the second mounting surface 22
The tab 11 of battery core 10 weld, connecting plate 33 is fixedly connected with tab fixed part 23.It is same in some specific embodiments
Generally there are two busbar connectors 30 for connection in a battery core bracket 20, for connecting the left and right two of single head Double-pole lug Soft Roll lithium electricity battery core
Tab 11, as shown in figure 5 and figure 7.
The lithium battery energy storage battery module 1 of the embodiment of the present invention is provided with dedicated for installing the battery core bracket 20 of battery core 10
With the busbar connector 30 for being electrically connected each battery core 10 installed in battery core bracket 20, specifically, battery core bracket 20 has phase
To the first mounting surface 21 and the second mounting surface 22 of setting, battery core 10 is mounted on the first mounting surface 21 and the second mounting surface 22
It is interior；Battery core bracket 20 has also extended to form tab fixed part 23 away from the end of 21/ second mounting surface 22 of the first mounting surface, installs
Tab is individually fixed in the tab 11 of the battery core 10 on the first mounting surface 21 and the second mounting surface 22 of battery core bracket 20 to fix
The upper and lower surfaces in portion 23, busbar connector 30 be fixedly connected with tab fixed part 23, and busbar connector 30 has and is oppositely arranged
First cylinder manifold 31 and the second cylinder manifold 32, wherein the tab 11 of the first cylinder manifold 31 and the battery core 10 in the first mounting surface 21
The tab 11 of welding, the second cylinder manifold 32 and the battery core 10 in the second mounting surface 22 welds, to collect the electricity in battery core bracket 20
The electric current of core 10.In this way, special busbar connector 30 is arranged for each battery core 10 in battery core bracket 20 in series or in parallel, pass through
When the confluence of battery core 10 can be reasonably arranged in first cylinder manifold 31 of control bus 30 and the size of the second cylinder manifold 32
Electrical-contact area, so as to ensure effective electrical-contact area between battery core 10 and battery core 10, avoid because effectively electrical contact
The reduction of area and cause at electrically connecting position resistance value excessive and generate a large amount of heat, prevent the energy of lithium battery energy storage battery module 1
Loss, is advantageously implemented the good thermal management of energy-storage module, while improving the energy storage service efficiency of energy-storage module.
Specifically, the tab 11 and the first cylinder manifold 31 for being installed on the battery core 10 in the first mounting surface 21 are using laser welding
Or mash welder welding, likewise, the tab 11 for the battery core 0 being installed in the second mounting surface 22 and the second cylinder manifold 32 are using sharp
Photocoagulation or mash welder welding；Using laser welding or mash welder welding are easy to operate with welding, speed of welding is fast, and
Weld strength is high, the advantage of good airproof performance etc., is conducive to the packaging efficiency for improving lithium battery energy storage battery module 1.
In another embodiment of the invention, as also shown in e.g. figs. 4-7, the first cylinder manifold 31 is covered in the first mounting surface 21
The upper surface of the tab 11 of the battery core 10 of installation, the second cylinder manifold 32 are covered on the pole for the battery core 10 installed in the second mounting surface 22
The lower surface of ear 11, specifically, its tab 11 of the battery core 10 being installed in the first mounting surface 21 are attached at tab fixed part 23
Upper surface, the welding of the first cylinder manifold 31 are attached at the upper surface that the tab 11 deviates from tab fixed part 23, are installed on the second installation
The tab 11 of battery core 10 in face 22 is attached at the lower surface of tab fixed part 23, and the welding of the second cylinder manifold 32 is attached at the tab
11 deviate from the lower surface of tab fixed part 23, in this way, the size of tab 11 determines its electricity between busbar connector 30
The size of contact area, entire tab 11 is in electrical contact with busbar connector 30, at this point, electrical-contact area is maximum, resistance value is minimum.Tool
Body, it in the present embodiment, is generally measured with temperature rise, under size of current the same terms, according to P=I2* (wherein, P table known to R
Show that power, I indicate that electric current, R indicate resistance.), R is bigger, and heating power is bigger, and R and electrical-contact area are inversely, existing
The tab 11 for being attached at corresponding battery core 10 is respectively welded in the first cylinder manifold 31 and the second cylinder manifold 32 of the present embodiment busbar connector 30
Surface, tab 11 is whole to be connect with busbar connector 30, is equivalent to maximum electrical-contact area when providing electrical connection, makes to be electrically connected position
The R value at the place of setting becomes smaller, so as to change the heating power when lithium battery energy storage battery module 1 of the present embodiment is converged.
Preferably, the cross-sectional area of the first cylinder manifold 31 and the second cylinder manifold 32 is all larger than or is equal to corresponding tab
11 cross-sectional area, the i.e. cross-sectional area of the first cylinder manifold 31 are greater than the transversal of the tab 11 of the battery core 10 in the first mounting surface 21
Area, the second cylinder manifold 32 cross-sectional area be greater than the second mounting surface 22 in battery core 10 tab 11 cross-sectional area；In this way,
To ensure that the tab 11 of battery core 10 can be conformed to completely on 31/ second cylinder manifold 32 of the first cylinder manifold, maximum electricity is provided and is connect
Contacting surface product, meanwhile, the cross-sectional area of the first cylinder manifold 31 and the second cylinder manifold 32 is all larger than the cross of the tab 11 of corresponding battery core 10
Sectional area is equivalent to and increases the heat dissipation area of electrical contact position, more efficiently can prevent from occurring at electrical contact position high
Temperature overheat.
In another embodiment of the invention, as shown in Figure 4 and Figure 5, tab fixed part 23 is away from the first mounting surface 21/ the
The end of two mounting surfaces 22 offers several first connecting holes 24, offers on connecting plate 33 several opposite with the first connecting hole 24
The second connecting hole 331 answered, connecting plate 33 pass through first fastener (not shown) such as screw etc. and the fixed company of tab fixed part 23
It connects, one end of the first fastener is fixed in corresponding first connecting hole 24 after being pierced by the second connecting hole 331；Assemble the present embodiment
In lithium battery energy storage battery module 1 when, first battery core 10 is mounted in the first mounting surface 21 and/or the second mounting surface 22, with
Busbar connector 30 is plugged in 11 fixing end of tab of battery core bracket 20 and is tightened the first fastener, assembly operation ten again afterwards
It is convenient to divide.
In another embodiment of the invention, battery core bracket 20 is plastic stent, to ensure the first mounting surface 21 and second
The battery core main body (position in addition to tab 11) for two battery cores 10 installed in mounting surface 22 is electrically insulated, and avoids that short circuit occurs；
Busbar connector 30 is copper busbar connector 30, with the tab for two battery cores 10 for ensuring to install in the first mounting surface 21 and the second mounting surface 22
It electrically conducts between 11.
In another embodiment of the invention, as shown in fig. 6, battery core bracket 20 is the frame shape plastic stent of middle part hollow out,
The upper and lower surfaces of frame shape plastic stent are that corresponding first mounting surface 21 and the second mounting surface 22, battery core 10 are installed on electricity
When in core support 20, correspond in the upper and lower surfaces of frame shape plastic stent；Also, frame shapes material mid-stent
Hollow out position at it is also arranged in a crossed manner have at least two plastic support items 26, be used to support and electrically isolate 21 He of the first mounting surface
The battery core 10 installed in second mounting surface 22.In this way, the fixed battery core 10 of the frame shape plastic stent of hollow out, insulating properties in the middle part of use
Good, use is safe, and can also be substantially reduced the risk that short circuit occurs between battery core 10, and quality is secure, and total quality compared with
Gently, carried out in subsequent PACK again it is easy to assembly, be conducive to promoted packaging efficiency, save built-up time.
In another embodiment of the invention, as shown in figure 4, lithium battery energy storage battery module 1 further includes for protecting battery core 10
Upper cover sheet 40 and lower cover sheet 50, upper cover sheet 40 be covered in the first mounting surface 21 top and and battery core bracket
20 enclose and set to form the first installation space (not shown), lower cover sheet 50 be covered in the lower section of the second mounting surface 22 and with battery core branch
Frame 20, which encloses, to be set to form the second installation space (not shown), and battery core 10 is packaged in the first installation space and/or the second installation space.
Specifically, the end quadrangle of battery core bracket 20 offers several third connecting holes 25, upper cover sheet 40 and lower protection cap respectively
The position opposite with each third connecting hole 25 of plate 50 offers several 4th connecting holes 41, upper cover sheet 40 and lower cover sheet
50 are connected and fixed with the battery core bracket 20 by the second such as screw of fastener 42, and one end of the second fastener 42 is pierced by the
It is fixed on after four connecting holes 41 in the corresponding third connecting hole 25.More specifically, upper cover sheet 40 and lower cover sheet
50 be plastic cover plate, preferably guarantees the dielectric features of the lithium battery energy storage battery module 1 of the present embodiment, while mitigating the lithium of module
Battery energy storage total quality.Specifically, several dissipating for heat dissipation are also provided on upper cover sheet 40 and lower cover sheet 50
Hot hole 43 can be shed in time with the heat for preferably guaranteeing that battery core 10 generates.
As shown in Fig. 1~11, another embodiment of the present invention additionally provides a kind of lithium battery energy storage battery mould group 2, specific such as Fig. 1
Shown in~3 comprising lithium battery energy storage battery module 1 in several above-described embodiments and several for being electrically connected each lithium battery energy storage battery
The electrical connection copper sheet 60 of module 1, each 1 up and down or left and right of lithium battery energy storage battery module stack setting, and each copper sheet 60 that is electrically connected is distinguished
The busbar connector 30 adjacent in each lithium battery energy storage battery module 1 is fixedly connected.
The lithium battery energy storage battery mould group 2 of the embodiment of the present invention, including multiple above-mentioned lithium battery energy storage battery modules for stacking setting
1, and it is electrically connected the busbar connector 30 in each lithium battery energy storage battery module 1 by being electrically connected copper sheet 60, each lithium battery can be realized
Electric current between energy-storage module 1 collects, in this way, guaranteeing that the electrical connection of single lithium battery energy storage battery module 1 connects in setting busbar connector 30
On the basis of contacting surface product, the size by designing and controlling electrical connection copper sheet 60 can further guarantee each lithium battery
Electrical-contact area when converging between energy-storage module 1, it is ensured that effective electrical contact at the series-parallel position of each lithium battery energy storage battery module 1
Area reduces resistance value, reduces fever, to realize effective thermal management to lithium battery energy storage battery mould group 2；In addition, using electrical connection
The series-parallel confluence of each lithium battery energy storage battery module 1 can be realized in the busbar connector 30 that copper sheet 60 connects each lithium battery energy storage battery mould group 2,
Structure is simple, and assembly operation is easy.
In the present embodiment, as depicted in figs. 1 and 2, it is arranged when each 1 up and down or left and right of lithium battery energy storage battery module stacks
When, each busbar connector 30 of each battery energy storage module is respectively positioned in same plane, in this way, electrical connection copper sheet 60 is all connected with and is fixed on
Lithium battery energy storage battery mould group 2 it is ipsilateral, i.e., the tab 11 of each battery core 10 concentrates on the ipsilateral center of lithium battery energy storage battery mould group 2
Installation, installation is simple, also, the tab 11 of so arrangement battery core 10, can also concentrate on voltage harness, sampling harness entirely
The center wiring of mould group, harness is short, and wiring is succinct, beautiful.
In the present embodiment, as shown in Fig. 1~3 and Fig. 8~11, electrical connection copper sheet 60 includes several for each lithium of connecting
The series connection copper sheet 61 of battery energy storage module 1 and several copper sheets in parallel 62 for each lithium battery energy storage battery module 1 in parallel, lithium battery storage
Energy mould group 2 realizes the series connection and parallel connection of each lithium battery energy storage battery module 1 by series connection copper sheet 61 and copper sheet 62 in parallel；Specifically
Ground, each series connection copper sheet 61 and each copper sheet 62 in parallel pass through the fixed company of connecting plate 33 of the second fastener 42 and each busbar connector 30
Connect, offer several 5th connecting holes 63 on series connection copper sheet 61 and copper sheet 62 in parallel, and each 5th connecting hole 63 respectively with remittance
The second connecting hole 331 on the connecting plate 33 of stream row 30 corresponds, and series connection copper sheet 61 and copper sheet 62 in parallel are tight by third
Such as screw of firmware 64 is equal to each busbar connector 30 and is fixedly connected；When assembling the lithium battery energy storage battery mould group 2 of the present embodiment, first by each lithium
The overlapping of battery energy storage module 1 is placed, and makes each busbar connector 30 is neat to be up and down placed in same plane, then, then will
Third fastener 64 is tightened, and assembly program is simple, and it is convenient to operate.
Specifically, as shown in Fig. 2, when being provided with each confluence for being electrically connected copper sheet 60 and connecting each lithium battery energy storage battery module 1
When arranging 30, third fastener 64 is only set and is connected, i.e., busbar connector 30 is connected and fixed on tab and fixed by third fastener 64
In portion 23, at this point, the fixed busbar connector 30 of the first additional fastener of setting is no longer needed to, it is when assembled so as to be further simplified
Operation, while reducing the dosage of fastener, mitigating the overall weight of lithium battery energy storage battery mould group 2.Also, work as several lithium battery energy storage batteries
When module 1 is assembled into lithium battery energy storage battery mould group 2, only upper cover sheet is arranged in the upper surface of the lithium battery energy storage battery module 1 of the top
40, lower cover sheet 50, the lithium battery energy storage battery module 1 at intermediate position is arranged in the lower surface of the lithium battery energy storage battery module 1 of bottom
It may not need the upper cover sheet 40 of setting and lower cover sheet 50 may be used also in this way, can not only play the purpose of protection battery core 10
Reduce the overall volume of entire lithium battery energy storage battery mould group 2.
In the present embodiment, as shown in Fig. 2,3 and Fig. 8~11, series connection copper sheet 61 includes straight panel series connection copper sheet 611 and folding
Plate series connection copper sheet 612, lithium battery energy storage battery module 1 include the first energy storage mould group being made of respectively several lithium battery energy storage battery modules 1
Part 201 and the second energy storage membrane module 202；Each busbar connector 30 of first energy storage membrane module 201 is set in same plane, the second storage
Can each busbar connector 30 of membrane module 202 be set in same plane, copper sheet 62 in parallel and straight panel series connection copper sheet 611 respectively be located at
Each busbar connector 30 in same plane connects；First energy storage membrane module 201 is provided with the plane and the second energy storage mould of busbar connector 30
The plane that component 202 is provided with busbar connector 30 is oppositely arranged, and folded plate series connection copper sheet 612 includes the first straight plate part disposed in parallel
6121, the second straight plate part 6122 and the connection being connected between 6122 adjacent end portion of the first straight plate part 6121 and the second straight plate part
Portion 6133, the first straight plate part 6121 are connect with the busbar connector 30 on the first energy storage membrane module 201, the second straight plate part 6122 and second
Busbar connector 30 on energy storage membrane module 202 connects.In this way, connecting adjacent two groups of lithiums electricity by setting folded plate series connection copper sheet 612
Pond energy storage mould group 2, thus by the first energy storage membrane module 201 independent of each other and the second energy storage membrane module 202 be assemblied together with
The bigger lithium battery energy storage battery mould group 2 of an energy storage capacity is formed, further to expand the energy storage of single lithium battery energy storage battery mould group 2
Amount, Fig. 3 are when folded plate parallel connection copper sheet 62 being used to connect adjacent the first energy storage membrane module 201 and the second energy storage membrane module 202
Connection status figure.Certainly, in other some embodiments, lithium battery energy storage battery mould group 2 includes but are not limited to include above-mentioned
The first energy storage membrane module 201 and the second energy storage membrane module 202, can also include more energy storage membrane modules, and each phase
It is attached between adjacent energy storage membrane module by folded plate series connection copper sheet 612.
In the present embodiment, as shown in Figures 1 to 3, lithium battery energy storage battery mould group 2 further includes for each lithium battery storage of assembly and connection
Can module 1 several press strips 70, each press strip 70 connect respectively with by each lithium with the battery core bracket 20 of each lithium battery energy storage battery module 1
Battery energy storage module 1 assembles together, specifically, the upper cover sheet 40 of press strip 70 and each lithium battery energy storage battery module 1 or
Lower cover sheet 50 is fixedly connected, so that each lithium battery energy storage battery module 1 is connected into the lithium battery energy storage battery mould an of entirety
Group 2 makes the integral installation of lithium battery energy storage battery mould group 2 and carries more convenient.
In the present embodiment, as shown in Figures 1 to 3, press strip 70 includes straight press strip 71 and special-shaped press strip 72, when adjacent two lithium
When the outer surface of battery energy storage module 1 is in the same plane, connected using straight press strip 71, as shown in Figure 2；And when adjacent
When the outer surface of two lithium battery energy storage battery modules 1 is located in upper and lower two different planes, then carried out using special-shaped press strip 72
It is connected and fixed, as shown in figures 1 and 3.
Specifically, as shown in Figures 1 to 3, wherein figure 1 illustrate using copper sheet 62 in parallel and straight panel series connection copper sheet 611 and
7 strings 5 and single head Double-pole lug Soft Roll lithium electricity battery core that special-shaped press strip 72 assembles, Fig. 2 shows using 62 He of copper sheet in parallel
8 strings 5 and single head Double-pole lug Soft Roll lithium electricity battery core that straight panel series connection copper sheet 611 and straight press strip 71 assemble, and Fig. 3 shows
Copper sheet 62, straight panel series connection copper sheet 611, folded plate series connection copper sheet 612 and straight press strip 71 in parallel and special-shaped press strip 72, connection are gone out
The installation diagram of 8 string single head Double-pole lug Soft Roll lithium electricity battery core mould groups being assembled into and 7 string single head Double-pole lug Soft Roll lithium electricity battery core mould groups.
In the present embodiment, as shown in figs. 8-10, it is electrically connected copper sheet 60 i.e. series connection copper sheet 61 and copper sheet 62 in parallel is preferred
By being made with a thickness of the copper sheet punching press of 0.5mm~2mm, in some specific embodiments, electrical connection copper sheet 60 i.e. series connection copper
The thickness of piece 61 and copper sheet 62 in parallel all can be 0.5mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 1.8mm or 2.0mm etc..
Using the copper sheet punching press production electrical connection copper sheet 60 with a thickness of 0.5mm~2mm, in this way, the molding electrical connection copper sheet 60 of production
Integral thickness is smaller, and since electrical connection copper sheet 60 is produced sufficiently thin, therefore it is more easily deformed during the installation process, when assembling
The plane attaching degree of itself can be adjusted, according to the flatness of assembling plane so as to supply lithium battery energy storage battery mould group 2 in group
During dress due to machining tolerance precision problem existing for the bad defect of installation surface evenness, each lithium battery energy storage battery is ensured with this
There is enough electrical-contact areas between module 1, to reduce the electricity at each electrically connecting position of lithium battery energy storage battery mould group 2
Resistance reduces fever；Also, the processing and fabricating to electric connecting sheet can be completed in the 5th connecting hole 63 of punching press on copper sheet, process
Simple process, advantage of lower cost.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of lithium battery energy storage battery module characterized by comprising
Battery core；
Battery core bracket, for installing the fixed battery core, the battery core bracket, which has, to be oppositely arranged and for installing the battery core
The first mounting surface and the second mounting surface, the end of the battery core bracket is towards deviating from first mounting surface/second mounting surface
Direction has extended to form tab fixed part, and the tab for the battery core installed in first mounting surface extends first peace
The tab of dress face and the upper surface for being fixed on the tab fixed part, the interior battery core installed of second mounting surface extends
Second mounting surface and the lower surface for being fixed on the tab fixed part；
Busbar connector, for being electrically connected each battery core installed in the battery core bracket, the busbar connector includes being arranged in parallel
The first cylinder manifold, the second cylinder manifold and be connected between first cylinder manifold and the second cylinder manifold adjacent end portion
Connecting plate, the tab welding of first cylinder manifold and the battery core being installed in first mounting surface, described second converges
The tab welding of flowing plate and the battery core being installed in second mounting surface, the connecting plate and the tab fixed part are solid
Fixed connection.
2. lithium battery energy storage battery module according to claim 1, which is characterized in that first cylinder manifold is covered on described
The upper surface of the tab for the battery core installed in one mounting surface, second cylinder manifold are covered on peace in second mounting surface
The lower surface of the tab of the battery core of dress；And the cross-sectional area of first cylinder manifold and second cylinder manifold be all larger than or
Equal to the cross-sectional area of the corresponding tab.
3. lithium battery energy storage battery module according to claim 1, which is characterized in that the tab fixed part deviates from described first
Mounting surface/second mounting surface end offers several first connecting holes, offered on the connecting plate it is several with it is described
Corresponding second connecting hole of first connecting hole, the connecting plate connect by the way that the first fastener and the tab fixed part are fixed
It connects, one end of first fastener is fixed in corresponding first connecting hole after being pierced by second connecting hole.
4. described in any item lithium battery energy storage battery modules according to claim 1~3, which is characterized in that the battery core bracket is modeling
Expect that bracket, the busbar connector are copper busbar connector.
5. described in any item lithium battery energy storage battery modules according to claim 1~3, which is characterized in that the lithium battery energy storage battery mould
Block further includes the upper cover sheet and lower cover sheet for protecting the battery core, and the upper cover sheet is covered in described first
The top of mounting surface simultaneously encloses with the battery core bracket and sets to form the first installation space, and the lower cover sheet is covered in described second
The lower section of mounting surface simultaneously encloses with the battery core bracket and sets to form the second installation space, and it is empty that the battery core is packaged in first installation
Between and/or second installation space in.
6. a kind of lithium battery energy storage battery mould group, which is characterized in that including any one of several Claims 1 to 5 lithium battery energy storage battery
Module and several for being electrically connected the electrical connection copper sheet of each lithium battery energy storage battery module, in each lithium battery energy storage battery module
Lower or left and right stacks setting, each electrical connection copper sheet confluence adjacent in each lithium battery energy storage battery module respectively
Row is fixedly connected.
7. lithium battery energy storage battery mould group according to claim 6, which is characterized in that the electrical connection copper sheet includes several is used for
The series connection copper sheet for each lithium battery energy storage battery module of connecting and several copper in parallel for each lithium battery energy storage battery module in parallel
The connecting plate that piece, each series connection copper sheet and each copper sheet in parallel pass through the second fastener and each busbar connector is solid
Fixed connection.
8. lithium battery energy storage battery mould group according to claim 7, which is characterized in that the series connection copper sheet includes straight panel series connection copper
Piece and folded plate series connection copper sheet, the lithium battery energy storage battery module includes first be made of respectively several lithium battery energy storage battery modules
Energy storage membrane module and the second energy storage membrane module；
Each busbar connector of the first energy storage membrane module is set in same plane, each institute of the second energy storage membrane module
Busbar connector is stated to be set in same plane, the parallel connection copper sheet and straight panel series connection copper sheet respectively be in the same plane
Each busbar connector connection；
The first energy storage membrane module is provided with the plane of the busbar connector and the second energy storage membrane module is provided with busbar connector
Plane be oppositely arranged, folded plate series connection copper sheet includes the first straight plate part disposed in parallel, the second straight plate part and is connected to
Interconnecting piece between first straight plate part and the second straight plate part adjacent end portion, first straight plate part and first storage
Busbar connector connection on energy membrane module, second straight plate part are connect with the busbar connector on the second energy storage membrane module.
9. lithium battery energy storage battery mould group according to claim 6, which is characterized in that the lithium battery energy storage battery mould group further includes using
In several press strips of each lithium battery energy storage battery module of assembly and connection, each press strip connect respectively with each battery core bracket with
Each lithium battery energy storage battery module is assembled together.
10. lithium battery energy storage battery mould group according to claim 6, which is characterized in that the electrical connection copper sheet by with a thickness of
The copper sheet punching press of 0.5mm~2mm is made.
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| CN201910140388.8A CN109904378B (en) | 2019-02-26 | 2019-02-26 | Lithium battery energy storage module and lithium battery energy storage module |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649198A (en) * | 2019-09-27 | 2020-01-03 | 联动天翼新能源有限公司 | General module of lithium cell package and battery package |
| CN110739422A (en) * | 2019-09-29 | 2020-01-31 | 东莞新能源科技有限公司 | Battery cell support group and energy storage device packaging part comprising same |
| CN110931675A (en) * | 2019-10-25 | 2020-03-27 | 杭州乾代科技有限公司 | Lithium battery pack with active temperature control function |
| CN111725470A (en) * | 2020-06-10 | 2020-09-29 | 华富(江苏)锂电新技术有限公司 | Series-connection assembled soft-package lithium battery system for electric wheelchair |
| CN112531275A (en) * | 2020-12-23 | 2021-03-19 | 湖北亿纬动力有限公司 | Energy storage module |
| CN113517520A (en) * | 2021-07-19 | 2021-10-19 | 恒大新能源技术(深圳)有限公司 | Electricity core subassembly and battery package |
| CN115315847A (en) * | 2020-04-01 | 2022-11-08 | Tvs电机股份有限公司 | Battery block |
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| CN207320245U (en) * | 2017-08-24 | 2018-05-04 | 多氟多（焦作）新能源科技有限公司 | A kind of soft package lithium battery module |
| CN209607828U (en) * | 2019-02-26 | 2019-11-08 | 信义储能微电网研究院(东莞)有限公司 | Lithium battery energy storage battery module and lithium battery energy storage battery mould group |
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| CN107452933A (en) * | 2017-06-30 | 2017-12-08 | 多氟多（焦作）新能源科技有限公司 | A kind of soft package lithium battery module and insulation assembly and power module |
| CN207320245U (en) * | 2017-08-24 | 2018-05-04 | 多氟多（焦作）新能源科技有限公司 | A kind of soft package lithium battery module |
| CN209607828U (en) * | 2019-02-26 | 2019-11-08 | 信义储能微电网研究院(东莞)有限公司 | Lithium battery energy storage battery module and lithium battery energy storage battery mould group |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649198A (en) * | 2019-09-27 | 2020-01-03 | 联动天翼新能源有限公司 | General module of lithium cell package and battery package |
| CN110649198B (en) * | 2019-09-27 | 2022-09-23 | 联动天翼新能源有限公司 | General module of lithium cell package and battery package |
| CN110739422A (en) * | 2019-09-29 | 2020-01-31 | 东莞新能源科技有限公司 | Battery cell support group and energy storage device packaging part comprising same |
| CN110931675A (en) * | 2019-10-25 | 2020-03-27 | 杭州乾代科技有限公司 | Lithium battery pack with active temperature control function |
| CN115315847A (en) * | 2020-04-01 | 2022-11-08 | Tvs电机股份有限公司 | Battery block |
| CN115315847B (en) * | 2020-04-01 | 2023-10-03 | Tvs电机股份有限公司 | battery block |
| CN111725470A (en) * | 2020-06-10 | 2020-09-29 | 华富(江苏)锂电新技术有限公司 | Series-connection assembled soft-package lithium battery system for electric wheelchair |
| CN111725470B (en) * | 2020-06-10 | 2023-01-13 | 华富(江苏)锂电新技术有限公司 | Series-connection assembled soft-package lithium battery system for electric wheelchair |
| CN112531275A (en) * | 2020-12-23 | 2021-03-19 | 湖北亿纬动力有限公司 | Energy storage module |
| CN113517520A (en) * | 2021-07-19 | 2021-10-19 | 恒大新能源技术(深圳)有限公司 | Electricity core subassembly and battery package |
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|---|---|
| CN109904378B (en) | 2024-04-05 |
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