CN111341989A - Battery cell series structure and battery module using same - Google Patents
Battery cell series structure and battery module using same Download PDFInfo
- Publication number
- CN111341989A CN111341989A CN201811550702.1A CN201811550702A CN111341989A CN 111341989 A CN111341989 A CN 111341989A CN 201811550702 A CN201811550702 A CN 201811550702A CN 111341989 A CN111341989 A CN 111341989A
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- conductive
- connecting piece
- battery
- electric core
- conducting strips
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention relates to the field of battery parts, in particular to a battery cell series structure and a battery module using the same. This electricity core series connection structure is including being used for the connecting piece of establishing ties each electric core, and the connecting piece includes the electrically conductive linkage segment of two at least interval arrangements, and each electrically conductive linkage segment has two connection structure that are used for being connected with the corresponding utmost point post of adjacent electric core respectively, and electricity core series connection structure is still including connecting the relative position in order to guarantee these two adjacent electrically conductive linkage segments between two adjacent electrically conductive linkage segments to make connection structure and the insulating changeover portion that corresponds utmost point post and aim at when using. Like this, at the in-process of battery module is constituteed to electric core, need not use a large amount of connecting pieces to realize the welding between the electric core, solved among the prior art at the in-process of establishing ties each electric core of battery module and appear because the connecting piece is too much and lead to the welding complicated, the problem that assembly efficiency is low.
Description
Technical Field
The invention relates to the field of battery parts, in particular to a battery cell series structure and a battery module using the same.
Background
In new energy vehicles field such as passenger train, passenger car, the lithium cell has extensive application, and generally speaking, the battery package comprises a plurality of battery module, and every battery module comprises a plurality of electric cores again. For example, chinese patent application publication No. CN107369788A discloses a power battery top cover assembly, a power battery and a battery module, which includes a top cover plate, a first electrode terminal, and a second electrode terminal, where the first electrode terminal includes a first pole and a first terminal plate, the first terminal plate includes a first connecting plate and a first conductive plate, the first conductive plate exposes one side of the first connecting plate away from the top cover plate, the first conductive plate is connected to the first pole and the first connecting plate, and the second electrode terminal is disposed at the other end of the top cover plate along the length direction and is insulated from the first electrode terminal. In this application, the connecting piece made of a single material is preferably welded to the first electrode terminal and the second electrode terminal.
It can be found that above-mentioned battery module is when establishing ties each electric core in the circuit, need weld an independent connection piece on the corresponding utmost point post between two adjacent electric cores, realizes establishing ties between two electric cores that correspond through the connection piece, like this, a battery module need have a plurality of connection piece independent welding respectively just can realize that the return circuit of whole battery module switches on. Each connecting sheet is required to be separately positioned at a set welding position before welding, the connecting sheets are welded one by manual operation, and due to certain errors in manual operation, positioning accuracy cannot be guaranteed when the connecting sheets at different positions are welded in a positioning mode, so that welding results of each connecting sheet and a corresponding pole are uneven, repair is required in a later period, and positioning consistency is poor; moreover, each connecting piece needs to be positioned one by one in the positioning mode, so that the whole positioning welding process is time-consuming and labor-consuming, the operation is complex, and the whole assembly efficiency is low.
Disclosure of Invention
The invention aims to provide a battery cell series connection structure, which is used for solving the problems of poor positioning consistency, complex welding and low assembly efficiency caused by excessive connecting pieces in the process of series connection of battery cells in the prior art; the invention also aims to provide a battery module using the battery cell series structure, which is used for solving the problems of poor positioning consistency, complex welding and low assembly efficiency caused by excessive connecting pieces in the process of serially connecting the battery cells of the battery module in the prior art.
In order to achieve the purpose, the battery cell series structure adopts the following technical scheme:
the utility model provides a battery core series connection structure, includes the connecting piece that is used for establishing ties each battery core, and the connecting piece includes the electrically conductive linkage segment of two at least interval arrangements, and each electrically conductive linkage segment has two and is used for the connection structure who is connected with the corresponding utmost point post of adjacent battery core respectively, and battery core series connection structure is still including connecting the relative position in order to guarantee these two adjacent electrically conductive linkage segments between two adjacent electrically conductive linkage segments to make the insulation changeover portion that linkage structure and corresponding utmost point post aimed at when using.
The beneficial effects of the above technical scheme are: two connection structures through electrically conductive linkage segment are connected with the utmost point post of two adjacent electric cores, fix two electric cores on the electrically conductive linkage segment of two adjacent connecting pieces, the series connection of two adjacent electric cores has been realized, and in a similar way, can fix a plurality of electric cores on the electrically conductive linkage segment of connecting piece in proper order, and then realize the series connection of a plurality of electric cores, the relative position of two electrically conductive linkage segments has been guaranteed to insulating changeover portion, thus, in electric core series connection process, only need link to each other the positive negative pole of first electric core and the connection structure of electrically conductive linkage segment, the mounted position of all the other electric cores is just confirmed, and need not fix a position of each electric core one by one when welding, the assembly efficiency of electric core series connection has been improved, the quality of electric core series connection has.
Furthermore, the connecting piece is a flexible circuit board, insulation parts are arranged on the flexible circuit board at intervals, a conducting circuit is arranged between every two adjacent insulation parts, the insulation parts form the insulation transition section, the part where the conducting circuit is located forms the conducting connection section, and the connection structure is a conducting point position at two ends of the conducting circuit. The flexible circuit board is formed into a connecting piece comprising the insulating part and the conducting circuit by a direct etching method, the processing technology is simple, and the flexible circuit board is thinner and occupies small space.
Furthermore, the connecting piece comprises an insulating plate, at least two conducting strips are arranged on the insulating plate at intervals, the conducting strips form the conducting connecting section, the part of the insulating plate, which is positioned between the two adjacent conducting strips, at intervals forms the insulating transition section, and the connecting structure comprises two connecting positions which are arranged on the conducting strips and used for being connected with the pole of the battery core. The insulating plate is of a rigid structure, is not easy to deform and is convenient for positioning and arranging the conducting strips at intervals.
Furthermore, the connecting piece comprises at least two conducting strips and an insulating strip connected between the two conducting strips, the insulating strip forms the insulating transition section, the conducting strips form the conducting connection section, and the connection structure is formed by two connection positions which are arranged on the conducting strips and used for being connected with the pole of the battery cell. The connecting piece is formed by arranging the insulating tape between the at least two conducting strips, so that the material is saved, and the processing technology is simple.
Furthermore, the plurality of conductive connecting sections are arranged in rows, the connecting piece is of a split structure, and the conductive connecting sections of each row are respectively positioned on different split parts of the connecting piece. The connecting piece is a split structure, so that when an electric core is processed on a certain split structure in a wrong way, other split structures of the connecting piece are not affected, and only the split structure with the mistake is replaced.
Further, the connecting piece is of a monolithic structure. The integral structure enables the positions of all the conductive connecting sections connected with the battery cores to be fixed, only the positive and negative electrodes of one battery core are required to be connected with the conductive point position or the connecting position of any one conductive connecting section, the installation positions of other battery cores can be determined, and the assembly efficiency of series connection of the battery cores is further improved.
In order to achieve the above purpose, the battery module of the present invention adopts the following technical solutions:
the utility model provides a battery module, includes a plurality of electric cores and electric core series connection, electric core series connection is including being used for the connecting piece of establishing ties each electric core, and the connecting piece includes two at least electrically conductive linkage segments of interval arrangement, and each electrically conductive linkage segment has two connection structure that are used for being connected with the corresponding utmost point post of adjacent electric core respectively, and electric core series connection is still including connecting between two adjacent electrically conductive linkage segments in order to guarantee the relative position of these two adjacent electrically conductive linkage segments to make connection structure and the insulating changeover portion that corresponds utmost point post and aim at when using.
The beneficial effects of the above technical scheme are: two connection structures through electrically conductive linkage segment are connected with the utmost point post of two adjacent electric cores, fix two electric cores on the electrically conductive linkage segment of two adjacent connecting pieces, the series connection of two adjacent electric cores has been realized, and in a similar way, can fix a plurality of electric cores on the electrically conductive linkage segment of connecting piece in proper order, and then realize the series connection of a plurality of electric cores, the relative position of two electrically conductive linkage segments has been guaranteed to insulating changeover portion, thus, in electric core series connection process, only need link to each other the positive negative pole of first electric core and the connection structure of electrically conductive linkage segment, the mounted position of all the other electric cores is just confirmed, and need not fix a position of each electric core one by one when welding, the assembly efficiency of electric core series connection has been improved, the quality of electric core series connection has.
Furthermore, the connecting piece is a flexible circuit board, insulation parts are arranged on the flexible circuit board at intervals, a conducting circuit is arranged between every two adjacent insulation parts, the insulation parts form the insulation transition section, the part where the conducting circuit is located forms the conducting connection section, and the connection structure is a conducting point position at two ends of the conducting circuit. The flexible circuit board is formed into a connecting piece comprising the insulating part and the conducting circuit by a direct etching method, the processing technology is simple, and the flexible circuit board is thinner and occupies small space.
Furthermore, the connecting piece comprises an insulating plate, at least two conducting strips are arranged on the insulating plate at intervals, the conducting strips form the conducting connecting section, the part of the insulating plate, which is positioned between the two adjacent conducting strips, at intervals forms the insulating transition section, and the connecting structure comprises two connecting positions which are arranged on the conducting strips and used for being connected with the pole of the battery core. The insulating plate is of a rigid structure, is not easy to deform and is convenient for positioning and arranging the conducting strips at intervals.
Furthermore, the connecting piece comprises at least two conducting strips and an insulating strip connected between the two conducting strips, the insulating strip forms the insulating transition section, the conducting strips form the conducting connection section, and the connection structure is formed by two connection positions which are arranged on the conducting strips and used for being connected with the pole of the battery cell. The connecting piece is formed by arranging the insulating tape between the at least two conducting strips, so that the material is saved, and the processing technology is simple.
Furthermore, the plurality of conductive connecting sections are arranged in rows, the connecting piece is of a split structure, and the conductive connecting sections of each row are respectively positioned on different split parts of the connecting piece. The connecting piece is a split structure, so that when an electric core is processed on a certain split structure in a wrong way, other split structures of the connecting piece are not affected, and only the split structure with the mistake is replaced.
Further, the connecting piece is of a monolithic structure. The integral structure enables the positions of all the conductive connecting sections connected with the battery cores to be fixed, only the positive and negative electrodes of one battery core are required to be connected with the conductive point position or the connecting position of any one conductive connecting section, the installation positions of other battery cores can be determined, and the assembly efficiency of series connection of the battery cores is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a cell series structure according to the present invention;
fig. 2 is a schematic view of a battery module according to an embodiment of the present invention;
description of reference numerals: the method comprises the following steps of 1-a flexible circuit board, 2-a conductive point position, 3-an insulating transition section, 4-a conductive connection section, 5-a box body, 6-a battery module, 7-an output electrode to a high-voltage connector steel bar, 8-a total negative high-voltage connector, 9-an output electrode to an MSD steel bar, 10-an MSD manual maintenance switch, 11-a total positive high-voltage connector and 12-an MSD to a high-voltage connector steel bar.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
The first embodiment of the cell series structure of the present invention:
as shown in fig. 1, the cell series structure includes four flexible circuit boards 1, the four flexible circuit boards 1 arranged separately form a connector, each flexible circuit board 1 forms a plurality of sections of insulating portions arranged at intervals by etching, the insulating portions form an insulating transition section 3, and the interval between any two adjacent sections of insulation transition sections 3 forms a conductive circuit, the conductive circuit forms a conductive connecting section 4, the insulation transition sections 3 and the conductive connecting sections 4 on each flexible circuit board 1 are arranged in a staggered way, conductive point positions 2 are arranged on the conductive connecting sections 4 in pairs, the conductive point positions 2 form a connecting structure, corresponding to the corresponding cell poles, the two conductive points 2 are located near opposite ends of the conductive connecting section 4 for connection with the poles of the two cells, so that, the flexible circuit board 1 with the insulating transition sections 3 and the conductive connection sections 4 obtained by the etching method forms the connection.
In addition, according to the arrangement of the conductive connecting section 4 and the insulating transition section 3, for a battery module with three rows of battery core groups, there are three types of connecting pieces which can be welded on the battery module according to the direction of the corresponding battery core series circuit on the battery module. Specifically, in type I, the length direction of the conductive connecting sections 4 is parallel to the length direction of the flexible circuit board 1 and arranged at intervals in sequence, in type II, the length direction of the conductive connecting sections 4 is parallel to the width direction of the flexible circuit board 1 and arranged at intervals in sequence, in type iii, the conductive connecting sections 4 are arranged in two rows in parallel side by side, and the length direction of each conductive connecting section 4 is parallel to the length direction of the flexible circuit board 1 and arranged at intervals in sequence. One end of the type III forms a wiring terminal used for a positive electrode incoming line and a negative electrode outgoing line of a battery cell series circuit corresponding to the battery module, therefore, the wiring terminal of the flexible circuit board 1 corresponding to the type III is provided with two conductive connecting sections 4 which are arranged at intervals along the width direction of the flexible circuit board 1, one of the two conductive connecting sections 4 is used for externally connecting a positive electrode, the other conductive connecting section is used for externally connecting a negative electrode, one conductive point position 2 in each conductive connecting section 4 is connected with a battery cell, and the other conductive point position 2 is connected with an external circuit; a conductive connecting section 4 with the length direction parallel to the width direction is correspondingly arranged at one end of the flexible circuit board 1 facing away from the terminal. Through setting up the connecting piece of three kinds, richened the kind of connecting piece, in the actual work, can select the connecting piece of different grade type to carry out the series connection of suitable collocation in order to realize each electric core according to the direction of arranging of each electric core in the battery module with arrange the position, have better commonality. When the battery works, the two conductive point positions 2 of each conductive connecting section 4 are respectively connected with corresponding poles of different battery cells to form a loop pointed by an arrow shown in fig. 1, the poles of different battery cells are sequentially connected to the plurality of conductive connecting sections 4, and finally, a battery cell series connection structure is formed.
The second embodiment of the cell series structure of the present invention:
compare first embodiment, replace flexible circuit board with the insulation board, a plurality of conducting strips bond at the interval on the insulation board, and the conducting strip has constituted the electrically conductive linkage segment promptly, and the conducting strip is cut apart into the multistage with the insulation board, and the interval between two conducting strips has formed insulating changeover portion, has arranged the electrically conductive position point in pairs on the conducting strip, what correspond with the electric core utmost point post that corresponds, the position of two electrically conductive position points are located the both ends department of carrying on the back of the body that is close to electrically conductive linkage segment and are used for being connected with the utmost point post of two electric cores, like this, has formed through the conducting strip that bonds many places at the interval on the insulation.
Similarly, according to the arrangement of the conducting strips and the insulating plates, for a battery module with three rows of electric core groups, there are three types of connecting pieces which can be welded on the battery module according to the direction of the corresponding electric core series circuit on the battery module. Specifically, in type I, the length direction of the conducting strips is parallel to the length direction of the insulating plate and are sequentially arranged at intervals, in type II, the length direction of the conducting strips is parallel to the width direction of the insulating plate and is sequentially arranged at intervals, in type III, the conducting strips are arranged in two rows in parallel side by side, the length direction of each conducting strip is parallel to the length direction of the insulating plate and is sequentially arranged at intervals, in addition, in the actual connection process, the number of the type I is two, the two types I are respectively arranged at the positions on the two opposite sides of the corresponding battery module, and the type II and the type III are arranged at the middle position. The battery module comprises an insulating plate, a battery cell series circuit, a type III and an external circuit, wherein one end of the type III forms a wiring end used for leading in the positive electrode of the battery cell series circuit and leading out the negative electrode of the battery cell series circuit, therefore, the wiring end of the insulating plate corresponding to the type III is provided with two conducting strips which are arranged at intervals along the width direction of the insulating plate, one of the two conducting strips is used for externally connecting the positive electrode, the other conducting strip is used for externally connecting the negative electrode, one conducting point position in each conducting strip is connected with the battery; and a conductive sheet with the length direction parallel to the width direction is correspondingly arranged at one end of the insulating plate, which is back to the terminal. Through setting up the connecting piece of three kinds, richened the kind of connecting piece, in the actual work, can select the connecting piece of different grade type to carry out the series connection of suitable collocation in order to realize each electric core according to the direction of arranging of each electric core in the battery module with arrange the position, have better commonality. When the battery works, the two conductive points of each conductive sheet are respectively connected with corresponding poles of different battery cells to form a loop pointed by an arrow shown in fig. 1 in the first embodiment, the poles of different battery cells are sequentially connected to a plurality of conductive sheets, and finally, a battery cell series structure is formed.
The third embodiment of the cell series structure of the present invention:
comparing the second embodiment, can not set up whole insulation board, but only bond the insulating tape in proper order between a plurality of conducting strips, the insulating tape constitutes insulating changeover portion, the conducting strip constitutes promptly electrically conductive linkage segment, conducting strip and insulating tape staggered arrangement each other, have arranged in pairs on the conducting strip can with the continuous connecting position of utmost point post of electric core, the connecting position of arranging in pairs has constituted promptly electrically conductive point location, what correspond with corresponding electric core utmost point post, the position of two electrically conductive point locations is located near the back of the body both ends department of conducting strip and is used for being connected with the utmost point post of two electric cores. Thus, the connector is formed by sequentially bonding the insulating tape between the plurality of conductive sheets.
Similarly, according to the arrangement of the conducting strips and the insulating strips, for a battery module with three rows of battery core groups, the types of the connecting pieces which can be welded on the battery module are three according to the direction of the corresponding battery cell series circuit on the battery module. Specifically speaking, among type I, the conducting strip extends and interval arrangement in proper order along length direction, bond through the insulating tape between the adjacent conducting strip and realize connecting, among type II, the conducting strip extends and interval arrangement in proper order along width direction, bond through the insulating tape between the adjacent conducting strip and realize connecting, among type III, the conducting strip becomes two and arranges side by side parallel arrangement, and every conducting strip all extends and interval arrangement in proper order along length direction, in addition, in actual connection process, foretell type I has two, arrange respectively in the both sides position department of carrying on the back of the body of corresponding battery module, type II and type III then arrange at the intermediate position. One end of type III forms a terminal used for leading in the positive electrode of a battery cell series circuit of the corresponding battery module and a terminal appearing on the negative electrode, therefore, the terminals of two rows of conducting strips corresponding to type III are provided with two conducting strips which are arranged at intervals along the width direction of the row of conducting strips, one of the two conducting strips is used for externally connecting the positive electrode, the other conducting strip is used for externally connecting the negative electrode, one conducting point position in each conducting strip is connected with the battery cell, and the other conducting point position is connected with an external circuit; and a section of conducting strip with the length direction parallel to the width direction is correspondingly arranged at one end of the two rows of conducting strips, which is back to the wiring terminal. Through setting up the connecting piece of three kinds, richened the kind of connecting piece, in the actual work, can select the connecting piece of different grade type to carry out the series connection of suitable collocation in order to realize each electric core according to the direction of arranging of each electric core in the battery module with arrange the position, have better commonality. When the battery works, the two conductive points of each conductive sheet are respectively connected with the poles of different battery cells to form a loop pointed by an arrow shown in fig. 1 in the first embodiment, the poles of different battery cells are sequentially connected to the plurality of conductive sheets, and finally, a battery cell series structure is formed.
In the second embodiment, the conductive sheet is arranged on the insulating plate in an adhesive manner, and in other embodiments, the conductive sheet may also be arranged in a welding manner, a clamping manner, or the like.
In the third embodiment, the conductive sheet and the insulating tape are connected by adhesion, and in other embodiments, the conductive sheet and the insulating tape may be connected by welding.
In the above three embodiments, the number of the connecting members is four, in other embodiments, the number of the connecting members may also be a form of connecting one whole battery module loop in series, or may be designed arbitrarily according to the number of the electric core groups in the battery module, for example, when there is only one row of electric core groups, the connecting members may be set to be two, and when the number of the electric core groups is more, the connecting members may be designed to be three or more.
In the second and third embodiments, the number of the conductive sheets is plural, and in other embodiments, the number of the conductive sheets may also be two or three, or other numbers meeting the requirement may be selected according to actual requirements.
In the above three embodiments, the connecting member is four split structures, such as four flexible circuit boards in fig. 1, in other embodiments, the connecting member may also be an integral structure, that is, the four split structures are connected to form an integral structure.
In other embodiments, the arrangement of the conductive connection section and the insulating transition section on a single connector is not limited to the three types in embodiment 1, and those skilled in the art can design the conductive connection section and the insulating transition section arbitrarily according to the actual circuit trend.
The specific embodiment of the battery module of the invention:
as shown in fig. 2, the battery module 6 includes a plurality of battery cells and a battery cell series structure, and is disposed in the box 5, where the battery cell series structure is the same as the battery cell series structure in the above embodiment, and is not repeated here.
When the battery module 6 works, the conductive connecting section 4 in the battery cell series structure is used as an overcurrent area, the insulating transition section 3 is an adjacent overcurrent area connecting area, the conductive point position 2 is a center aligning hole of a battery cell pole, current flows through the overcurrent area, the adjacent overcurrent area connecting area is a bridge, the overcurrent areas at different positions are connected, the center aligning hole of the battery cell pole is a welding function area, the connecting piece is placed in a welding tool before welding, and the center aligning hole of the battery cell pole is aligned with the center of the battery cell pole for welding.
During charging, current flows from a main positive high-voltage connector 11 to a high-voltage connector steel bar 12 through an MSD, a manual maintenance switch 10 of the MSD, an output electrode to an MSD steel bar 9, a connecting piece, an output electrode to a high-voltage connector steel bar 7 to a main negative high-voltage connector 8; while during discharging, the direction of the high-voltage loop is opposite to that during charging.
Claims (7)
1. The utility model provides a electricity core series connection structure which characterized in that: including being used for the connecting piece of establishing ties each electric core, the connecting piece includes the electrically conductive linkage segment of two at least interval arrangements, and each electrically conductive linkage segment has two and is used for the connection structure who is connected with the corresponding utmost point post of adjacent electric core respectively, and electric core series connection structure is still including connecting the relative position in order to guarantee these two adjacent electrically conductive linkage segments between two adjacent electrically conductive linkage segments to make the insulation changeover portion that linkage structure and corresponding utmost point post aimed at when using.
2. The cell series structure of claim 1, wherein: the connecting piece is a flexible circuit board, insulation parts are arranged on the flexible circuit board at intervals, a conductive circuit is arranged between every two adjacent insulation parts, the insulation parts form the insulation transition section, the part where the conductive circuit is located forms the conductive connection section, and the connection structure is a conductive point position at two ends of the conductive circuit.
3. The cell series structure of claim 1, wherein: the connecting piece comprises an insulating plate, at least two conducting strips are arranged on the insulating plate at intervals, the conducting strips form the conducting connecting section, the part of the insulating plate, which is positioned between the two adjacent conducting strips, at intervals forms the insulating transition section, and the connecting structure comprises two connecting positions which are arranged on the conducting strips and used for being connected with the pole columns of the battery cell.
4. The cell series structure of claim 1, wherein: the connecting piece comprises at least two conducting strips and an insulating strip connected between the two conducting strips, the insulating strip forms the insulating transition section, the conducting strips form the conducting connecting section, and the connecting structure comprises two connecting positions which are arranged on the conducting strips and used for being connected with the pole columns of the battery cells.
5. The cell series structure according to any one of claims 1 to 4, characterized in that: the plurality of conductive connecting sections are arranged in rows, the connecting piece is of a split structure, and the conductive connecting sections of each row are respectively positioned on different split parts of the connecting piece.
6. The cell series structure according to any one of claims 1 to 4, characterized in that: the connecting piece is of an integral structure.
7. The utility model provides a battery module, includes a plurality of electric cores and electric core series connection structure, its characterized in that: the cell series structure is as set forth in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811550702.1A CN111341989A (en) | 2018-12-18 | 2018-12-18 | Battery cell series structure and battery module using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811550702.1A CN111341989A (en) | 2018-12-18 | 2018-12-18 | Battery cell series structure and battery module using same |
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| Publication Number | Publication Date |
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| CN111341989A true CN111341989A (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811550702.1A Pending CN111341989A (en) | 2018-12-18 | 2018-12-18 | Battery cell series structure and battery module using same |
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| CN (1) | CN111341989A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112787043A (en) * | 2021-01-29 | 2021-05-11 | 东莞新能德科技有限公司 | Battery module and electric device |
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2018
- 2018-12-18 CN CN201811550702.1A patent/CN111341989A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112787043A (en) * | 2021-01-29 | 2021-05-11 | 东莞新能德科技有限公司 | Battery module and electric device |
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