CN113113733A - Bridge parallel battery module, longitudinal and transverse series-parallel battery module - Google Patents
Bridge parallel battery module, longitudinal and transverse series-parallel battery module Download PDFInfo
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- CN113113733A CN113113733A CN202110435333.7A CN202110435333A CN113113733A CN 113113733 A CN113113733 A CN 113113733A CN 202110435333 A CN202110435333 A CN 202110435333A CN 113113733 A CN113113733 A CN 113113733A
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
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Abstract
The invention provides an electric bridge parallel battery module and a longitudinal and transverse series-parallel battery module, which comprise a plurality of columnar batteries, wherein each battery comprises a top pole and a shell pole; the bridge fasteners are arranged between all the adjacent side shells and used for keeping the parallel state and the structural integration between the adjacent battery side shells, the battery modules are longitudinally connected in series and parallel in a parallel mode, the battery modules comprise at least two groups of battery modules connected in parallel through the bridge according to any one of the above, the battery modules are transversely connected in series and parallel in a parallel mode and comprise at least two groups of battery modules connected in parallel through the bridge according to the above, and the contact area of the shell poles on the two sides is greatly increased by using the bridge and combining with the conductive adhesive compared with the thermal welding; and the whole module is easy to add, electrically connect and subtract, and disassemble.
Description
Technical Field
The invention relates to the field of new energy battery modules, in particular to a bridge parallel battery module and a longitudinal and transverse series-parallel battery module.
Background
The high-capacity battery module is formed by connecting a plurality of batteries in parallel, can meet the requirement of large current output, and is a common method for packaging the energy storage unit of the electric automobile. Since the parallel multi-cylinder battery modules are usually arranged in a matrix, diamond or Z-shaped manner, and the battery case is usually a kind of post of the battery, the post of the battery case has a connection requirement in two directions of X, Y axes, and the current collecting between the batteries is large. Specifically, as shown in fig. 11, the cylindrical battery includes a top terminal 2 corresponding to a central region of a terminal cap at one end of the battery, a side casing 3 and a bottom casing 16, wherein the casing terminal and the top terminal are both conductors, and the casing terminal and the top terminal can be used as a positive electrode or a negative electrode, respectively.
The current common mode is the hot welding electricity federation mode through busbar and battery case utmost point post, no matter spot welding, laser welding or ultrasonic welding, and single spot welding granule is less, mainly realizes directional parallelly connected through the water conservancy diversion direction of busbar, improves the area of contact of spot welding through the stack of many spots of welding, wastes time and labours, and to battery internal quality, has great thermal safety hidden danger. The spot welding of the less area of often too big electric current can cause long-term contact resistance to generate heat the accumulation with the diffusion unbalanced, the temperature field degree of consistency is more difficult to control, the battery cell discreteness tends to be big, is one of the pain point of the accurate encapsulation of module, in addition, battery module among the prior art is owing to set up busbar and battery frame, scalability is extremely poor, and the bottom casing of battery has set up the busbar and has makeed to have the space to set up when the extension is a plurality of modules and connect.
Disclosure of Invention
In order to solve the technical problem, the invention provides a bridge parallel battery module which comprises a plurality of columnar batteries, wherein each battery comprises a top pole and a shell pole, each shell pole comprises a bottom shell and a side shell,
an electric bridge is electrically connected between the adjacent side shells, and self-extending confluence channels which are connected with each other are formed between the adjacent side shells through the electric bridge;
bridge fasteners are arranged between all adjacent side shells and used for keeping the parallel state and the structural integration between the adjacent battery side shells;
at least one electric bridge or the shell pole is electrically connected with an approach bridge, the approach bridge is used for leading in or leading out external current, and the extension part of any approach bridge is the external shell pole of the whole module;
and a top bus bar is connected between the top pole columns and used for connecting the top pole columns in parallel, and the extension part of the top bus bar is an external top pole column of the whole module.
Preferably, the bridge is a sheet-shaped conductor bending piece, and the conductor bending piece is one of an opening or a closed opening or a multilayer closed opening; and two sides of the conductor bending piece are respectively pressed between the adjacent side shells.
Preferably, the bridge is made of conductive adhesive capable of being cured at normal temperature.
Preferably, the bridge comprises structural adhesive, and the structural adhesive is filled on the battery central point connecting line between the adjacent side shells.
Preferably, at least the upper end and the lower end of the battery compartment at the outer side are respectively provided with an outer side positioning mechanism, and the outer side positioning mechanisms are used for strengthening the lateral bending strength of the battery compartment; the outer side positioning mechanism comprises a first long fixing sheet, and the first long fixing sheet is wrapped on the surface of the outer side battery; or the outer side positioning mechanism comprises a plurality of short fixing pieces, the short fixing pieces are pressed on the surface of the battery, and structural adhesive is arranged between the short fixing pieces and the surface of the battery.
Preferably, the top bus bar is a strip-shaped conductor sheet, and the strip-shaped conductor sheet covers all the top pole columns through bending and is electrically connected.
Preferably, the top bus bar includes a plurality of strip-shaped conductor strips, all of which cover the top poles of all of the cells and are electrically connected to each other.
A longitudinal series-parallel battery module comprises at least two groups of bridge parallel battery modules according to the above, wherein the bridge parallel battery modules are stacked up and down in the same direction to form series connection among all stacked bridge parallel battery modules;
an electric bridge is arranged between at least one corresponding single battery, and the electric bridge forms a confluence channel between layers;
conductive adhesive is filled between the bridge and the bottom shell of the upper battery and between the bridge and the top pole of the lower battery,
the bridge fasteners are arranged between at least three corresponding single batteries between the upper and lower layers of the bridge parallel battery modules;
at least three bridge fasteners are filled between the single batteries provided with the electric bridges;
at least one interlayer positioning sheet is arranged on the outer side of the bridge parallel battery module between the upper layer and the lower layer.
A transverse series-parallel battery module comprises at least two groups of bridge parallel battery modules, wherein the bridge parallel battery modules are arranged in parallel left and right or front and back, a bridge is arranged between at least two batteries at one side, close to each other, of the adjacent bridge parallel battery modules, and an insulating material is arranged between the bridge parallel battery modules close to each other;
the external shell pole of the bridge parallel battery module is electrically connected with the external top pole of the adjacent bridge parallel battery module in sequence to form series connection;
and at least one outer side positioning mechanism is arranged at the outer side of the adjacent bridge parallel battery module.
Preferably, the outside positioning mechanism comprises a second long fixing piece, the second long fixing piece is pressed on the side wall of the outside battery, and structural adhesive is filled between the second long fixing piece and the side wall of the outside battery, so as to prevent the battery from moving laterally.
The bridge parallel battery module and the longitudinal and transverse series-parallel battery module provided by the invention have the following beneficial effects: 1. the electric connection among different batteries is realized in a bridge mode, and the contact area of the shell pole columns on two sides is greatly increased by combining the conductive adhesive compared with the thermal welding; the multiple electric bridges on the battery shell can form a large-current overcurrent channel between adjacent batteries, the bridge construction is simple and convenient, the limitation of the direction and the flow of a single busbar is avoided, the extensibility of the whole module is improved, and the additional electric connection and the additional disassembly are easy;
2. the design of a high-elasticity arc integral pressurizing structure of the bridge ensures that the larger the squeezing force of adjacent batteries is, the higher the contact area and the reliability are, the smaller the contact resistance is, and the heating value is greatly reduced compared with the small welding spots of hot welding; no matter the normal-temperature curable conductive adhesive is used for fixing the sealing spot or the periphery of the sealing spot is fixed by the normal-temperature curable structure adhesive, the heatless reliable electric connection can be realized, the possibility of potential safety hazards of the electric connection link to the internal quality heat generation of the battery can be thoroughly eliminated, and the module is safer; the normal-temperature cured conductive adhesive is used for fixing the soldering and sealing spots, so that the electric contact points can be protected from air, the influence of an external environment on the electric conduction efficiency of the soldering spots is greatly reduced, and the overall service life of the module is prolonged.
3. The bridge with an open structure is combined with structural adhesive to play a role in shock resistance and buffering; the top fixing sheet of the module can be a top pole busbar, and a single standard strip busbar can be selected to be continuously connected with a top pole through bending to realize full parallel connection of the top poles, so that the cost is lower; this structure easily realizes the quick encapsulation of module with automatic equipment, and production efficiency compares and to promote in the hot welding by a wide margin.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention;
FIG. 2 is a schematic side view of example 1 of the present invention;
FIG. 3 is a schematic view of a first long fixing sheet according to embodiment 1 of the present invention;
FIG. 4 is a schematic view of a short fixing sheet of example 1 of the present invention;
FIG. 5 is a schematic connection diagram of a bridge according to embodiment 1 of the present invention;
FIG. 6 is a schematic view of a bridge according to embodiment 1 of the present invention;
FIG. 7 is a schematic view of a single top bus bar of the present invention;
FIG. 8 is a perspective view of embodiment 3 of the present invention;
FIG. 9 is a schematic side view of example 3 of the present invention;
FIG. 10 is a top view of example 4 of the present invention;
FIG. 11 is a schematic diagram of a prior art battery;
wherein, 1, a battery; 2. a top pole column; 3. a side housing; 4. an electrical bridge; 5. bridge approach; 6. a conductive adhesive; 7. a top bus; 8. an outer shell pole; 9. an external top pole; 10. bridge fixing; 11. an insulating material; 12. a short fixing sheet; 13. a first long fixing piece; 14. an interlayer fixing sheet; 15. a second long fixing piece; 16. a bottom surface shell.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
As shown in fig. 1, 2 and 11, a bridge parallel battery module comprises a plurality of columnar batteries 1 arranged in the same specification and direction, wherein each battery 1 comprises a top pole 2 and a housing pole, each housing pole comprises a bottom housing 16 and a side housing 3, the housing pole is a negative pole when the top pole 2 of the battery 1 is a positive pole, or the top pole 2 is a negative pole, and the housing pole is a positive pole,
an electric bridge 4 is electrically connected between the adjacent side shells 3, and self-extensible bus channels which are connected with each other are formed between the adjacent side shells 3 through the electric bridge 4; it should be noted that the structure of the bridge 4 may be a sheet-shaped conductor bending piece, the conductor bending piece is one of an opening or a closed opening or a multi-layer closed opening, the opening piece may be a V-shaped piece, a U-shaped piece, etc., the multi-layer opening piece is E-shaped, and the multi-layer closed opening is E-shaped; above-mentioned structure can increase the anti-seismic performance of 1 module of whole battery, the wide face in both sides of the conductor piece of bending is pressed respectively between adjacent side casing 3, and the wide face is the both sides of opening the piece promptly, and the both sides of V-arrangement piece promptly form the electric intercommunication between the different casing utmost point posts through electric bridge 4, the extension between a plurality of utmost point posts of being convenient for more, specific theory: the cells 1 are arranged to form a matrix arrangement, which may be square or diamond-shaped, and when the cells 1 are arranged in a square arrangement, they are in contact with each other two by two.
As shown in fig. 5, in order to increase the stability between the bridge 4 and the side casing, a normal temperature curable conductive adhesive 6 is disposed between the side casing 3 of the battery 1 and the bridge 4, the conductive adhesive 6 is easy to add, electrically connect, subtract, disassemble, fill the gap between the bridge 4 and the casing pole of the battery 1, ensure that the casing pole and the bridge 4 are pressed tightly, and after the conductive adhesive 6 is arranged, the contact surface between the bridge 4 and the shell pole is greatly increased, the electric flux is greatly improved, in addition, the conductive adhesive 6 has high conductivity and can be cured at normal temperature, the cured conductive adhesive 6 forms reliable electric connection between the shell pole and the bridge 4, thereby effectively realizing heat-free reliable electric connection, the possibility that the internal quality of the battery 1 generates thermal safety hidden danger in the electricity link can be thoroughly eliminated, and the module is safer; the module can also protect the electrical contact from air, greatly reduce the influence of the external environment on the electric conduction efficiency of the welding spots, and prolong the whole service life of the module.
In addition, in order to further enhance the stability between the batteries 1, as shown in fig. 6, a bridge 10 is provided between all the adjacent side cases 3, and the bridge 10 is used for maintaining the parallel state and the structural integration between the side cases 3 of the adjacent batteries 1; specifically, the method comprises the following steps: bridge 10 includes that the structure glues, the structure is glued and is filled adjacently on the 1 central point line of battery, guarantee to compress tightly the back between the tangent plane of battery 1, the structure is glued and can be filled to between the battery 1, but the structure is glued for the insulating one-component or the multicomponent structure that normal atmospheric temperature triggered fast curing and is glued, and curing temperature <65 ℃, curing time <30 seconds, during actual operation, curing time can be at 2s instant curing, and bridge 10's form is convenient for whole structure from extending, easily disassembles and expands.
At least one of the electric bridge 4 or the housing pole is electrically connected with an approach bridge 5, the approach bridge 5 is used for leading in or leading out external current, the approach bridge 5 extends to the outer side of the module to form an external housing pole 8 of the whole module, the external housing pole 8 is used as an externally connected pole of the whole battery module, the approach bridge 5 can be formed in a non-integrated mode, a single lead or a conducting strip can be selected, and the approach bridge is composed of an inner core made of other conducting materials such as aluminum, copper, nickel, carbon and the like, and is coated or not coated with an insulating material; the end of the single lead or conducting strip connected with the bridge 4, which has at least 5-10mm port part is a bare conductor, the bare conductor can be reliably and electrically connected with the bridge 4 or the battery 1 shell by means of heat welding, crimping and the like in advance, or conductive adhesive can be coated on two sides and clamped between the bridge 4 and the side shell, and the bare conductor and the bridge 4 are installed on the side shell together through a parallel structure of the bridge 4;
and the electric intercommunication of whole module is realized, be connected with top busbar 7 on the top utmost point post 2, top busbar 7 is used for with top utmost point post 2 is parallelly connected, and the extension of top busbar 7 stretches to the outside of module, forms the external top utmost point post 9 of whole module, the form of top busbar 7 can be multiple, as shown in fig. 7, can be a slice bar conductor piece, specific saying: one end of the battery is a reserved part at the external part of the first row of batteries 1, the top pole 2 of the linear one-dimensional module is electrically connected with the extension bar at the other end in sequence to form a top pole bus bar of the part, the top bus bar is bent to form a short conductor connected with the adjacent row of one-dimensional modules through the top bus bar to form electric communication at the upper part of the battery 1, the short conductor is bent by 90 degrees again, the top pole 2 of the adjacent battery is electrically connected in sequence, and the steps are repeated until the short conductor is electrically connected to the top pole 2 of the last battery 1 of the last row of one-dimensional;
it is of course also possible, as shown in fig. 1, that the top busbar 7 comprises a plurality of strip-shaped conductor strips, which are electrically connected to the top poles 2 of the batteries 1, respectively, and to each other, so that the top busbar 7 not only serves for electrical connection, but also for further positioning and fixing of the entire battery 1 module.
In addition, in order to ensure the stability of the whole structure, at least the upper end and the lower end of the outer side between the batteries 1 are respectively provided with an outer side positioning mechanism, and the outer side positioning mechanisms are used for strengthening the lateral bending strength between the batteries 1; the outer side positioning mechanism can be in the following two forms, as shown in fig. 3, and includes a first long fixing sheet 13, the first long fixing sheet 13 is wrapped on the surface of the outer side battery 1, and the first long fixing sheet 13 can be a plastic packaging film, so as to wrap the whole battery 1 module, thereby realizing the compact firmness of the whole structure.
As shown in fig. 4, the second form may include a plurality of short fixing pieces 12, the short fixing pieces 12 are pressed on the surface of the battery 1, and a structural adhesive is disposed between the surfaces of the battery 1, the short fixing pieces 12 are formed into a self-extending outer side closed frame by using the housing as a node, the short fixing pieces 12 are disposed outside two or more batteries 1 and are disposed between the short fixing pieces 12 and the batteries 1 through the structural adhesive, adjacent short fixing pieces 12 are continuously arranged to form an overall fixing effect, and the form of the short fixing pieces 12 is more detachable and more easily extendable.
Example 2
In this embodiment, the same as embodiment 1 basically, the difference lies in bridge 4 conducting resin 6, uses conducting resin 6 to realize the electric intercommunication between battery 1 completely, coats in the casing utmost point post outside of battery 1 through conducting resin 6, forms the module to in order to improve stability, set up the connection piece and fix through the structure glue in battery 1 outside.
Example 3
As shown in fig. 8 and 9, an embodiment of the invention discloses a longitudinal series-parallel hybrid battery module, which comprises at least two sets of bridge parallel battery modules in embodiment 1, and is an extension of the battery module in embodiment 1, wherein the bridge parallel battery modules are sequentially stacked up and down in the same direction to form a series connection between all stacked bridge parallel battery modules; specifically, the method comprises the following steps: an electric bridge 4 is arranged between at least one corresponding battery 1, and the electric bridge 4 forms an interlayer confluence channel; the upper and lower layers are connected in series by a bridge 4,
conductive adhesive 6 is filled between the electric bridge 4 and the bottom shell 16 of the upper battery 1 and between the electric bridge 4 and the top pole 2 of the lower battery 1 respectively, similarly, the conductive adhesive 6 can fully fill the gap between the electric bridge 4 and the upper and lower batteries 1, the contact area is increased, and the electric flux is further improved, in order to ensure the stability of the upper and lower layers of the electric bridge parallel battery module, the bridge fasteners 10 are arranged between at least three corresponding single batteries 1, the bridge fasteners 10 are the structural adhesive, and the upper and lower layers of structures are fixed through the structural adhesive; in another form, when the single batteries 1 provided with the electric bridge 4 are fixed, at least three points of the bridge 10 are arranged between the end faces of the single batteries to ensure the stability of the structure; in addition, to realize the stability of the whole longitudinal series-parallel battery module, an interlayer positioning mechanism is arranged on the outer side of the bridge parallel battery module between the upper layer and the lower layer, and the interlayer positioning mechanism is formed by fixing a whole positioning sheet between the upper parallel battery module and the lower parallel battery module to realize the fixation of the upper layer and the lower layer; any top pole 2 of the topmost bridge parallel battery module is the external top pole of the module of the embodiment, and any shell pole of the bottommost bridge parallel battery module is the external shell pole of the module of the embodiment. The conductive confluence channel between the layers is easy to add, electrically connect and subtract, and disassemble.
The outer sides of the bridge parallel battery modules between the upper layer and the lower layer are provided with interlayer positioning sheets 14, the interlayer positioning sheets 14 are arranged at the lower ends of the bridge parallel battery modules at the upper part and the tops of the bridge parallel battery modules at the lower part, and structural glue is filled between the positioning sheets and the batteries to strengthen the strength between the upper layer and the lower layer.
Example 4
As shown in fig. 10, this embodiment provides a transverse series-parallel battery module, which includes at least two sets of bridge parallel battery modules according to embodiment 1, the bridge parallel battery modules are arranged in parallel left and right or front and back, at least two batteries 1 on one side of the adjacent bridge parallel battery modules are provided with the bridge 10, the bridge 10 is structural adhesive, the two sets of parallel battery modules are fixed by dispensing the structural adhesive between the at least two batteries 1, in addition, an external housing terminal 8 of the bridge parallel battery module is electrically connected with an external top terminal 9 of the adjacent bridge parallel battery module in sequence, and a series connection is formed between the two modules, and in order to prevent a short circuit, an insulating material 11 is provided between the adjacent bridge parallel battery modules. And in this embodiment, also have outside positioning mechanism between the parallelly connected battery module of multiunit, outside positioning mechanism includes the long stationary blade 15 of second, the long stationary blade 15 of second compress tightly in 1 lateral wall of outside battery, and with it has the structure to glue to fill between the 1 lateral wall of battery, and specific theory, the battery compresses tightly back extrusion structure glue on the long stationary blade 15 of second, can glue the structure and form the arc structure, and the arc structure can be injectd 1 lateral shifting of battery, improves the shock resistance of whole structure greatly.
Claims (10)
1. A bridge parallel battery module comprises a plurality of columnar batteries, each battery comprises a top pole and a shell pole, each shell pole comprises a bottom shell and a side shell,
an electric bridge is electrically connected between the adjacent side shells, and self-extending confluence channels which are connected with each other are formed between the adjacent side shells through the electric bridge;
bridge fasteners are arranged between all adjacent side shells and used for keeping the parallel state and the structural integration between the adjacent battery side shells;
at least one electric bridge or the shell pole is electrically connected with an approach bridge, the approach bridge is used for leading in or leading out external current, and the extension part of any approach bridge is the external shell pole of the whole module;
and a top bus bar is connected between the top pole columns and used for connecting the top pole columns in parallel, and the extension part of the top bus bar is an external top pole column of the whole module.
2. The bridge parallel battery module according to claim 1, wherein the bridge is a sheet-shaped conductor bending member, and the conductor bending member is one of an open or closed or multi-layer open or multi-layer closed; and two sides of the conductor bending piece are respectively pressed between the adjacent side shells.
3. The parallel bridge battery module of claim 1, wherein the bridge is made of a conductive adhesive that can be cured at room temperature.
4. The electrical bridge parallel battery module of claim 1, wherein the bridge comprises a structural adhesive filled on the cell center point connection between adjacent side housings.
5. The bridge parallel battery module according to claim 1, wherein at least upper and lower ends of the outer battery compartment are respectively provided with an outer positioning mechanism, and the outer positioning mechanisms are used for enhancing the lateral bending strength of the battery compartment; the outer side positioning mechanism comprises a first long fixing sheet, and the first long fixing sheet is wrapped on the surface of the outer side battery; or the outer side positioning mechanism comprises a plurality of short fixing pieces, the short fixing pieces are pressed on the surface of the battery, and structural adhesive is arranged between the short fixing pieces and the surface of the battery.
6. The bridge parallel battery module according to claim 1, wherein the top bus bar is a strip conductor tab that covers all top poles by a bend and is electrically connected.
7. The bridge parallel battery module according to claim 1, wherein the top bus bar comprises a plurality of strip-shaped conductor strips, all of which cover the top poles of all of the batteries and are electrically connected to each other.
8. A longitudinal series-parallel battery module, which comprises at least two sets of bridge parallel battery modules according to any one of claims 1 to 7, wherein the bridge parallel battery modules are stacked up and down in the same direction to form a series connection among all the stacked bridge parallel battery modules;
an electric bridge is arranged between at least one corresponding upper battery and one corresponding lower battery, and the electric bridge forms a confluence channel between layers;
conductive adhesive is filled between the bridge and the bottom shell of the upper battery and between the bridge and the top pole of the lower battery,
the bridge fasteners are arranged between at least three corresponding single batteries between the upper and lower layers of the bridge parallel battery modules;
at least three bridge fasteners are filled between the single batteries provided with the electric bridges;
at least one interlayer positioning sheet is arranged on the outer side of the bridge parallel battery module between the upper layer and the lower layer.
9. A transverse series-parallel battery module is characterized by comprising at least two sets of bridge parallel battery modules according to any one of claims 1 to 7, wherein the bridge parallel battery modules are arranged in parallel left and right or front and back, a bridge is arranged between at least two batteries at the adjacent side of the adjacent bridge parallel battery modules, and an insulating material is arranged between the adjacent bridge parallel battery modules;
the external shell pole of the bridge parallel battery module is electrically connected with the external top pole of the adjacent bridge parallel battery module in sequence to form series connection;
and at least one outer side positioning mechanism is arranged at the outer side of the adjacent bridge parallel battery module.
10. The transverse series-parallel battery module according to claim 9, wherein the outer positioning mechanism comprises a second long fixing plate, the second long fixing plate is pressed against the outer side battery side wall, and a structural adhesive is filled between the second long fixing plate and the battery side wall to prevent the battery from moving laterally.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110435333.7A CN113113733A (en) | 2021-04-22 | 2021-04-22 | Bridge parallel battery module, longitudinal and transverse series-parallel battery module |
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| CN202110435333.7A CN113113733A (en) | 2021-04-22 | 2021-04-22 | Bridge parallel battery module, longitudinal and transverse series-parallel battery module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113644386A (en) * | 2021-10-15 | 2021-11-12 | 嘉兴模度新能源有限公司 | Battery row, battery pack and manufacturing method thereof |
| CN115295966A (en) * | 2022-09-30 | 2022-11-04 | 嘉兴模度新能源有限公司 | Series battery row, parallel battery row and battery pack |
| CN117239357A (en) * | 2023-11-10 | 2023-12-15 | 嘉兴模度新能源有限公司 | Flexible electric connecting piece, battery row and battery pack |
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