CN114221078A - Battery cell module support with high energy density - Google Patents
Battery cell module support with high energy density Download PDFInfo
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- CN114221078A CN114221078A CN202111530470.5A CN202111530470A CN114221078A CN 114221078 A CN114221078 A CN 114221078A CN 202111530470 A CN202111530470 A CN 202111530470A CN 114221078 A CN114221078 A CN 114221078A
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- module support
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- 238000003466 welding Methods 0.000 claims abstract description 115
- 239000004020 conductor Substances 0.000 claims abstract description 56
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 68
- 229910052759 nickel Inorganic materials 0.000 claims description 34
- 239000011810 insulating material Substances 0.000 claims description 10
- 238000005476 soldering Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 7
- 210000002105 tongue Anatomy 0.000 description 49
- 230000005611 electricity Effects 0.000 description 13
- 238000009413 insulation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 2
- 240000005979 Hordeum vulgare Species 0.000 description 1
- 235000007340 Hordeum vulgare Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a battery cell module support with high energy density, which relates to the technical field of battery modules and comprises a conductor bottom plate, a plurality of first battery cells and a plurality of second battery cells, wherein the top surface and the bottom surface of the conductor bottom plate are uniformly provided with a plurality of welding tongue pieces, a plurality of welding point groups are uniformly arranged around the welding tongue pieces, the first battery cells are connected with the welding point groups on the top surface of the conductor bottom plate in a one-to-one correspondence manner, and the second battery cells are connected with the welding tongue pieces on the bottom surface of the conductor bottom plate in a one-to-one correspondence manner. The first battery cell is connected with the welding point group, the empty space between the adjacent first battery cells is utilized during installation, a plurality of cylindrical bosses are arranged in the space and externally connected with the same circumference, and the circumference is the installation hole for positioning and placing the cylindrical first battery cell. Thereby need not around round wall thickness material form the mounting hole, and then save space, improve the bulk density of module, and simple structure, small size, the precision is easy to control, and the assembly degree of difficulty is low.
Description
Technical Field
The invention belongs to the technical field of battery modules, and particularly relates to a battery cell module support with high energy density.
Background
In the field of batteries, batteries are a general term, and cells, modules and battery packs are different stages in battery applications. In the battery, in order to safely and effectively manage hundreds of single electric cores, the electric cores are not randomly placed in a shell of the power battery, but are orderly placed according to modules and packages. The smallest unit is a battery cell, a group of battery cells can form a module, and several modules can form a battery pack.
Battery cell: the electric core is the minimum unit of the power battery and is also an electric energy storage unit, and the electric core has high energy density to store electric energy as much as possible. In addition, the service life of the battery cell is also the most critical factor, and the damage of any one battery cell can cause the damage of the whole battery pack.
The module: when a plurality of electric cores are packaged together by the same shell frame, and contact is carried out with the outside through unified boundary, a module is formed.
A battery pack: when several modules are controlled or managed by the BMS and the thermal management system, the unified whole is called a battery pack.
The current cylindrical battery cell modules are grouped, and the battery cell is mechanically fixed by a plastic module bracket; the positive electrode and the negative electrode of the battery core are connected in series and are welded and conducted by a nickel strap; the insulation between two adjacent electric core modules depends on technical schemes of pasting highland barley paper, installing plastic insulation boards additionally and the like, and the insulation effect is unstable. The defects of various battery module parts, relatively low energy density, difficult assembly process, easy electric safety accidents, high cost and the like are caused.
Meanwhile, in the current module bracket technology, the connection between the negative electrode of the battery cell and the module bracket is realized by positioning the battery cell through a circular hole, and the module bracket is composed of a series of circular holes. The round holes are formed by surrounding module bracket materials with certain wall thickness, and the holes are connected into a whole by the materials, so that the module bracket can be positioned to place the battery cell. Because the material that forms the hole has certain wall thickness, causes to have great clearance between two adjacent electric cores, so the whole module unit volume after the assembly is great, so under the module support of same volume, the volume density that adopts the round hole to organize is lower relatively. In addition, the module bracket hole structure is relatively complex, and the dimensional accuracy and the assembly requirement are high. If the tolerance of the hole size is too large, although the cell assembly is convenient, the cell is not firmly fixed, and all the cells are possibly not on the same plane, so that the nickel strip welding effect is influenced; if the hole dimensional tolerance is too small, the battery core is difficult to assemble, and the battery core can not be inserted and cannot be welded seriously, so that the production efficiency is also influenced. Some holes are opened into a horn mouth at the front end to relieve the problem, but only play a role in early stage guiding and cannot completely solve the problem of difficult assembly.
Disclosure of Invention
In order to solve the problems of complex support structure, difficult assembly and low cell density in unit volume of the conventional module support, the invention aims to provide a cell module support with high energy density.
The technical scheme adopted by the invention is as follows:
the utility model provides an electricity core module support with high energy density, install a plurality of first electricity cores and a plurality of second electricity core on the module support, the module support includes the conductor bottom plate, a plurality of welding tongue piece and a plurality of welding point group, the edge of conductor bottom plate is provided with the turn-ups curb plate, the lateral wall of turn-ups curb plate covers there is insulating material, conductor bottom plate top surface and bottom surface all evenly are provided with a plurality of welding tongue piece, all be provided with welding point group around a plurality of welding tongue piece, a plurality of first electricity cores are connected with the welding point group one-to-one of conductor bottom plate top surface, a plurality of second electricity cores are connected with the welding tongue piece one-to-one of conductor bottom plate bottom surface, welding point group includes a plurality of cylinder boss, a plurality of cylinder boss evenly distributed is on the same circumference around the welding tongue piece.
Optionally, the group of soldering points on the top surface of the conductor base plate is connected to the negative electrode of the first cell.
Optionally, the soldering tongue on the bottom side of the conductor base plate is connected to the positive electrode of the second cell.
Optionally, the welding tongue piece includes a spirally arranged nickel strip, and the positive electrode of the second cell is connected with the nickel strip in a welding manner.
Optionally, the nickel strap is 0.1-0.2 mm thick, one end of the nickel strap is welded and fixed on the conductor bottom plate, the other end of the nickel strap is spirally arranged in a spring shape, and the welding tongue piece further comprises a positioning groove which is arranged on the bottom plate of the rotation center of the nickel strap.
Optionally, the positioning groove is a linear groove, and the linear groove is formed in the bottom plate of the rotation center of the nickel strap.
Optionally, the welding point group includes six cylindrical bosses, and the six cylindrical bosses are uniformly distributed on the same circumference around the welding tongue piece.
Optionally, the plurality of cylindrical bosses are circumscribed on the same circumference, the circumscribed circumference of the plurality of cylindrical bosses forms a mounting hole, and the negative electrode of the first battery cell is mounted in the mounting hole.
The invention has the beneficial effects that:
1) the first battery cell is connected with the welding point group, the empty space between the adjacent first battery cells is utilized during installation, a plurality of cylindrical bosses are arranged in the space and externally connected with the same circumference, and the circumference is the installation hole for positioning and placing the cylindrical first battery cell. Thereby need not around round wall thickness material form the mounting hole, and then save space, improve the bulk density of module, and simple structure, small size, the precision is easy to control, and the assembly degree of difficulty is low.
2) The invention provides a battery cell module support with high energy density, which comprises a conductor bottom plate, a plurality of first battery cells and a plurality of second battery cells, wherein a plurality of welding tongue pieces are uniformly arranged on the top surface and the bottom surface of the conductor bottom plate, a plurality of welding point groups are uniformly arranged around the welding tongue pieces, the first battery cells are correspondingly connected with the welding point groups on the top surface of the conductor bottom plate one by one, and the second battery cells are correspondingly connected with the welding tongue pieces on the bottom surface of the conductor bottom plate one by one. Through connecting a plurality of first electric cores and a plurality of second electric core respectively at the top surface and the bottom surface of conductor bottom plate, first electric core and second electric core are connected with the welding point group and the welding tongue piece of conductor bottom plate both sides respectively, the required part kind of first electric core and second electric core and module support equipment has been reduced greatly, reduce the whole weight of module support, thereby promote the electric core density of electric core module in the unit volume, the energy density in the unit volume has been improved promptly, still reduce the assembly process degree of difficulty, the cost is saved.
3) According to the invention, the edge of the conductor bottom plate is provided with the flanging side plate, the outer side wall of the flanging side plate is covered with the insulating material, and the flanging side plate made of the insulating material can effectively separate two adjacent groups of module supports, so that the insulation is stable, and the electric safety accident can be effectively prevented.
4) The second battery cell is connected with the welding tongue piece, the welding tongue piece is a nickel strap arranged in a spring shape, the nickel strap arranged in the spring shape has certain elasticity, and the flatness of each second battery cell electrode can be ensured by compressing the welding tongue piece during welding. And the nickel strap that the spring form set up can produce the deformation of certain degree at the welding face normal direction, can be used to the absorption vibration, and the vibration between buffering second electric core and the conductor bottom plate has reduced the risk that the solder joint appears tearing, has effectively avoided the solder joint to tear electrically conductive inhomogeneous, the inhomogeneous scheduling problem that generates heat that leads to, and then has avoided local generating heat to arouse electric core inefficacy or the problem of thermal runaway.
Meanwhile, the welding tongue piece further comprises a positioning groove, the positioning groove is formed in the bottom plate of the rotation center of the nickel strip, and when the positioning groove is used for connecting the welding tongue piece and the second battery cell, positioning is provided for a welding gun, so that the precision requirement of the electrode position of the second battery cell during welding can be effectively reduced, and the assembly welding difficulty is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the welding tongue piece of the present invention, and the rest of the structure is omitted.
Fig. 3 is a schematic structural view of the welding point group in the present invention, and the rest of the structure is omitted.
Fig. 4 is a schematic top view of the welding point set in the present invention, and the rest of the structure is omitted.
In the figure: 1-a first battery cell, 2-a conductor bottom plate, 3-a flanging side plate, 4-a welding tongue piece, 41-a positioning groove, 5-a welding point group, 51-a cylindrical boss and 6-a second battery cell.
Detailed Description
The first embodiment is as follows:
in this embodiment, as shown in fig. 1, an electric core module support with high energy density, install a plurality of first electric cores 1 and a plurality of second electric core 6 on the module support, the module support includes conductor bottom plate 2, a plurality of welding tongue piece 4 and a plurality of welding point group 5, the edge of conductor bottom plate 2 is provided with turn-ups curb plate 3, the lateral wall of turn-ups curb plate 3 covers there is insulating material, conductor bottom plate 2 top surface and bottom surface all evenly are provided with a plurality of welding tongue piece 4, all be provided with welding point group 5 around a plurality of welding tongue piece 4, a plurality of first electric cores 1 are connected with the welding point group 5 one-to-one of conductor bottom plate 2 top surface, a plurality of second electric cores 6 are connected with the welding tongue piece 4 one-to-one of conductor bottom plate 2 bottom surfaces.
In this embodiment, specifically, through connecting a plurality of first electric cores 1 and a plurality of second electric cores 6 respectively at the both sides of conductor bottom plate 2, first electric core 1 and second electric core 6 are connected with welding point group 5 and welding tongue piece 4 of conductor bottom plate 2 both sides respectively, have reduced the required part kind of electric core module equipment greatly, reduce electric core module weight to promote the energy density of electric core module, still reduce the assembly process degree of difficulty, saved the cost.
In this embodiment, as shown in fig. 1, the welding point groups 5 on the top surface of the conductor substrate 2 are welded to the negative electrode of the first battery cell 1, and the welding point groups 5 are all welded to the negative electrode of the first battery cell 1 in a one-to-one correspondence, where only one connection between the first battery cell 1 and the conductor substrate 2 is shown in the figure.
In the present embodiment, as shown in fig. 1, 3 and 4, the welding point group 5 includes a plurality of cylindrical bosses, and the plurality of cylindrical bosses are uniformly distributed on the same circumference around the welding tongue 4.
In the present embodiment, as shown in fig. 1, 3 and 4, the welding point group 5 includes six cylindrical bosses 51, and the six cylindrical bosses 51 are uniformly distributed on the same circumference around the welding tongue 4.
In the present embodiment, as shown in fig. 1, 3 and 4, a plurality of cylindrical bosses 51 circumscribe the same circumference, the circumscribe circumference of the plurality of cylindrical bosses 51 forms a mounting hole, and the negative electrode of the first battery cell 1 is mounted in the mounting hole.
In the present embodiment, specifically, the welding point group 5 includes six cylindrical bosses, and the six cylindrical bosses are uniformly distributed on the same circumference around the welding tongue 4.
In order to solve the above problem, in this embodiment, original round hole mounting structure is replaced to practical welding point group 5, and first electric core 1 links together with welding point group 5, during the installation, utilizes the space between the adjacent first electricity 1, sets up a plurality of cylinder bosss 51 in this space, and a plurality of cylinder bosss 51 are external on same circumference, and this circumference is the mounting hole promptly, and the mounting hole is used for the location to place first electric core 1. Therefore, a circle of wall thickness material around the module is not needed to form a hole for installation, so that space is saved, and the volume density of the module is improved. The welding point group 5 is simple in structure, small in size, easy to control in precision and low in assembly difficulty.
In the present embodiment, as shown in fig. 1, the welding tongues 4 on the bottom surface of the conductor base plate 2 are welded to the positive electrode of the second battery cell 6, and a plurality of welding tongues 4 are welded to the positive electrode of the second battery cell 6 in a one-to-one correspondence, and only one connection of the second battery cell 6 to the conductor base plate 2 is shown in the figure.
In the present embodiment, as shown in fig. 1 and fig. 2, the welding tongue piece 4 includes a spirally arranged nickel strip, and the positive electrode of the second battery cell 6 is welded to the nickel strip.
In this embodiment, as shown in fig. 1 and fig. 2, the nickel strap is a nickel strap with a thickness of 0.1-0.2 mm, one end of the nickel strap is welded and fixed on the conductor bottom plate 2, the other end of the nickel strap is spirally arranged in a spring shape, the welding tongue piece 4 further includes a positioning groove 41, and the positioning groove 41 is arranged on the bottom plate 2 at the rotation center of the nickel strap.
In the embodiment, the positioning groove 41 is a straight groove, and the straight groove is formed on the bottom plate 2 at the rotation center of the nickel strap.
In this embodiment, specifically, the second electrical core 6 is connected to the welding tongue piece 4, the welding tongue piece 4 is a nickel strap disposed in a spring shape, the nickel strap disposed in the spring shape has a certain elasticity, and the flatness of each electrode of the second electrical core 6 can be ensured by compressing the welding tongue piece 4 during welding. And the nickel strap that the spring form set up can produce the deformation of certain degree at the welding face normal direction, can be used to the absorption vibration, and the buffering second electricity core 6 vibrates with conductor bottom plate 2 between, has reduced the risk that the solder joint appears tearing, has effectively avoided the solder joint to tear electrically conductive inhomogeneous, the inhomogeneous scheduling problem that generates heat that leads to, and then has avoided local generating heat to arouse that electric core is out of order or thermal runaway's problem. Meanwhile, the welding tongue piece 4 further comprises a positioning groove 41, the positioning groove 41 is formed in the bottom plate of the rotation center of the nickel strip, and when the positioning groove is used for connecting the welding tongue piece 4 and the second battery cell 6, positioning is provided for a welding gun, so that the precision requirement of the electrode position of the second battery cell during welding is effectively reduced, and the assembly welding difficulty is reduced.
In this embodiment, it is specific, the edge of conductor bottom plate 2 is provided with turn-ups curb plate 3, and the lateral wall of turn-ups curb plate 3 covers there is insulating material, and insulating material's turn-ups curb plate 3 can separate adjacent two sets of module supports effectively, and is insulating stable, can effectively prevent to arouse electric incident.
Example two:
the present embodiment provides another alternative to the first embodiment for the connection structure of the soldering tongue 4 and the conductor substrate 2.
In this embodiment, it is concrete, an electricity core module support with high energy density, install a plurality of first electricity cores 1 and a plurality of second electricity core 6 on the module support, the module support includes conductor bottom plate 2, a plurality of welding tongue piece 4 and a plurality of welding point group 5, the edge of conductor bottom plate 2 is provided with turn-ups curb plate 3, the lateral wall of turn-ups curb plate 3 covers there is insulating material, 2 top surfaces of conductor bottom plate and bottom surface all evenly are provided with a plurality of welding tongue piece 4, all be provided with welding point group 5 around a plurality of welding tongue piece 4, a plurality of first electricity cores 1 are connected with 5 one-to-one of welding point group of 2 top surfaces of conductor bottom plate, a plurality of second electricity cores 6 are connected with 4 one-to-one of welding tongue piece of 2 bottom surfaces of conductor bottom plate.
In this embodiment, specifically, through connecting a plurality of first electric cores 1 and a plurality of second electric cores 6 respectively at the both sides of conductor bottom plate 2, first electric core 1 and second electric core 6 are connected with welding point group 5 and welding tongue piece 4 of conductor bottom plate 2 both sides respectively, have reduced the required part kind of electric core module equipment greatly, reduce electric core module weight to promote the energy density of electric core module, still reduce the assembly process degree of difficulty, saved the cost.
In this embodiment, specifically, the welding point groups 5 on the top surface of the conductor base plate 2 are welded to the negative electrode of the first electrical core 1, and the welding point groups 5 are all welded to the negative electrode of the first electrical core 1 in a one-to-one correspondence, where only one connection between the first electrical core 1 and the conductor base plate 2 is shown in the figure.
In this embodiment, specifically, the welding point group 5 includes a plurality of cylindrical bosses, and the plurality of cylindrical bosses are uniformly distributed on the same circumference around the welding tongue 4.
In the present embodiment, specifically, the welding point group 5 includes six cylindrical bosses 51, and the six cylindrical bosses 51 are uniformly distributed on the same circumference around the welding tongue 4.
In this embodiment, specifically, as shown, a plurality of cylindrical bosses 51 are circumscribed on the same circumference, the circumscribed circumference of the plurality of cylindrical bosses 51 forms a mounting hole, and the negative electrode of the first electrical core 1 is mounted in the mounting hole.
In the present embodiment, specifically, the welding point group 5 includes six cylindrical bosses, and the six cylindrical bosses are uniformly distributed on the same circumference around the welding tongue 4.
In this embodiment, specifically, original round hole mounting structure is replaced to practical welding point group 5, and first electric core 1 links together with welding point group 5, during the installation, utilizes the space between the adjacent first electricity 1, sets up a plurality of cylinder bosss 51 in this space, and a plurality of cylinder bosss 51 are external on same circumference, and this circumference is the mounting hole promptly, and the mounting hole is used for the location to place first electric core 1. Therefore, a circle of wall thickness material around the module is not needed to form a hole for installation, so that space is saved, and the volume density of the module is improved. The welding point group 5 is simple in structure, small in size, easy to control in precision and low in assembly difficulty.
In the present embodiment, as shown in fig. 1, the welding tongues 4 on the bottom surface of the conductor base plate 2 are welded to the positive electrode of the second battery cell 6, and a plurality of welding tongues 4 are welded to the positive electrode of the second battery cell 6 in a one-to-one correspondence, and only one connection of the second battery cell 6 to the conductor base plate 2 is shown in the figure.
In this embodiment, it is specific, the edge of conductor bottom plate 2 is provided with turn-ups curb plate 3, and the lateral wall of turn-ups curb plate 3 covers there is insulating material, and insulating material's turn-ups curb plate 3 can separate adjacent two sets of module supports effectively, and is insulating stable, can effectively prevent to arouse electric incident.
In this embodiment, specifically, the welding tongue piece 4 is an E-shaped nickel strap, and the positive electrode of the second electrical core 6 is welded on the E-shaped nickel strap.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. The utility model provides a battery cell module support with high energy density, install a plurality of first electric cores (1) and a plurality of second electric core (6) on the module support, its characterized in that: the module bracket comprises a conductor bottom plate (2), a plurality of welding tongue pieces (4) and a plurality of welding point groups (5), the edge of the conductor bottom plate (2) is provided with a flanging side plate (3), the outer side wall of the flanging side plate (3) is covered with an insulating material, the top surface and the bottom surface of the conductor bottom plate (2) are uniformly provided with a plurality of welding tongue pieces (4), welding point groups (5) are arranged around the welding tongue pieces (4), a plurality of first electric cores (1) are correspondingly connected with the welding point groups (5) on the top surface of the conductor bottom plate (2) one by one, a plurality of second electric cores (6) are correspondingly connected with the welding tongue pieces (4) on the bottom surface of the conductor bottom plate (2) one by one, the welding point group (5) comprises a plurality of cylindrical bosses (51), and the cylindrical bosses (51) are uniformly distributed on the same circumference around the welding tongue piece (4).
2. The cell module support with high energy density according to claim 1, characterized in that the welding point group (5) on the top surface of the conductor base plate (2) is connected with the negative electrode of the first cell (1).
3. The cell module support with high energy density according to claim 1, characterized in that the soldering tongue (4) on the bottom surface of the conductor substrate (2) is connected with the positive electrode of the second cell (6).
4. The cell module support with high energy density according to claim 3, characterized in that the welding tongue piece (4) comprises a spirally arranged nickel strip, and the positive electrode of the second cell (6) is welded to the nickel strip.
5. The battery cell module support with high energy density according to claim 4, wherein the thickness of the nickel strap is 0.1-0.2 mm, one end of the nickel strap is welded and fixed on the conductor bottom plate (2), the other end of the nickel strap is spirally arranged, the welding tongue piece (4) further comprises a positioning groove (41), and the positioning groove (41) is arranged on the bottom plate (2) at the spiral center of the nickel strap.
6. The battery cell module support with high energy density according to claim 5, characterized in that the positioning groove (41) is a straight groove, and the straight groove is arranged on the bottom plate (2) of the rotation center of the nickel strap.
7. The cell module support with high energy density according to claim 6, wherein the welding point group (5) comprises six cylindrical bosses (51), and the six cylindrical bosses (51) are uniformly distributed on the same circumference around the welding tongue piece (4).
8. The battery cell module support with high energy density according to claim 7, wherein a plurality of the cylindrical bosses (51) circumscribe the same circumference, the circumscribe circumferences of a plurality of the cylindrical bosses (51) form mounting holes, and the negative electrode of the first battery cell (1) is mounted in the mounting holes.
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| CN202111530470.5A CN114221078A (en) | 2021-12-14 | 2021-12-14 | Battery cell module support with high energy density |
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| CN202111530470.5A CN114221078A (en) | 2021-12-14 | 2021-12-14 | Battery cell module support with high energy density |
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| CN114050368A (en) * | 2021-12-14 | 2022-02-15 | 顺加能科技有限公司 | Battery cell module support with high flatness and shock-absorbing function |
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| CN207852794U (en) * | 2018-02-11 | 2018-09-11 | 量道（厦门）新能源科技有限公司 | A kind of battery core connection nickel sheet of energy-storage battery |
| CN210272517U (en) * | 2019-09-04 | 2020-04-07 | 陕西邦华新能源动力有限公司 | 18650 cylinder electricity core modules of integral type and module |
| CN110571400A (en) * | 2019-09-20 | 2019-12-13 | 江西优特汽车技术有限公司 | power battery module bus bar and welding method thereof |
| CN114050368A (en) * | 2021-12-14 | 2022-02-15 | 顺加能科技有限公司 | Battery cell module support with high flatness and shock-absorbing function |
| CN114221079A (en) * | 2021-12-14 | 2022-03-22 | 顺加能科技有限公司 | Be used for cylinder electricity core welded module support |
| CN216488357U (en) * | 2021-12-14 | 2022-05-10 | 顺加能科技有限公司 | Battery cell module support with high energy density |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114050368A (en) * | 2021-12-14 | 2022-02-15 | 顺加能科技有限公司 | Battery cell module support with high flatness and shock-absorbing function |
| CN114221079A (en) * | 2021-12-14 | 2022-03-22 | 顺加能科技有限公司 | Be used for cylinder electricity core welded module support |
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