CN207896181U - Output electric connecting sheet and the battery modules for including the output electric connecting sheet - Google Patents
Output electric connecting sheet and the battery modules for including the output electric connecting sheet Download PDFInfo
- Publication number
- CN207896181U CN207896181U CN201820362712.1U CN201820362712U CN207896181U CN 207896181 U CN207896181 U CN 207896181U CN 201820362712 U CN201820362712 U CN 201820362712U CN 207896181 U CN207896181 U CN 207896181U
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- China
- Prior art keywords
- connecting sheet
- electric connecting
- boss
- weld part
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
-
- 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
-
- 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)
Abstract
The utility model is related to a kind of battery modules for exporting electric connecting sheet and including the output electric connecting sheet.Exporting electric connecting sheet includes：First weld part；With the second weld part, it is connect with the first weld part, second weld part includes plate-like body and is set to the boss of plate-like body, and plate-like body has the first surface and second surface being oppositely arranged, and boss, which is protruded by plate-like body along the direction of first surface to second surface, to be formed.The output electric connecting sheet with boss that the utility model embodiment provides, super-high-current ability is strong, and of simple structure and low cost.In addition, battery modules use the output electric connecting sheet, output electric connecting sheet can be welded on the output stage of single battery component in advance, boss is welded to connect after the stretching of the end plate of battery modules with leading-out terminal again, compared with prior art, the switching Joining Technology between output stage and leading-out terminal is simplified, the complexity of battery modules packaging technology is thereby reduced.
Description
Technical field
The utility model is related to power battery technology fields, more particularly to a kind of output electric connecting sheet and including the output
The battery modules of electric connecting sheet.
Background technology
With environmental consciousness enhancing and low-carbon economy it is in the ascendant, new-energy automobile will be as future automobile industry
Mainstream.It reduces vehicle to be highly advantageous for reducing vehicle running resistance, to save traveling energy consumption.But reduce the premise of vehicle height
It is the passability and comfort that cannot influence vehicle, so the height reduced greatly will be to reduce the whole of battery modules
Body height fashion is realized.
In order to reduce the height of battery modules, the prior art gradually adopts multiple single batteries by narrow long type by going here and there simultaneously
The battery modules that connection mode forms, and connect with external devices by the leading-out terminal of end plate side.
In the prior art, in order to make to seal between leading-out terminal and battery modules, generally use sealing ring by staking or
The fixed forms such as welding in advance become one leading-out terminal and end plate, then will be flexible coupling by way of being flexible coupling piece switching
One end of piece is welded with the output stage of single battery component, and the other end is welded with the leading-out terminal integrated on end plate, leads to battery
The assembling procedure of module is more complicated, and the piece cost that is flexible coupling is higher, and super-high-current ability is relatively weak, and when overheat is easy
Fire, security risk are larger.
Utility model content
One purpose of the utility model embodiment is to provide a kind of output electric connecting sheet, simple in structure, super-high-current
Ability is strong.
Another purpose of the utility model embodiment is to provide a kind of battery modules, and assembling procedure is simple.
On the one hand, the utility model embodiment provides a kind of output electric connecting sheet, including：First weld part；With second
Weld part is connect with the first weld part, and the second weld part includes plate-like body and is set to the boss of plate-like body, plate-like body
With the first surface and second surface being oppositely arranged, boss is protruded by plate-like body along the direction of first surface to second surface
It is formed.
According to the one side of the utility model embodiment, the first weld part is plate-like piece, and the first weld part and plate
First Transition portion is additionally provided between ontology so that the first weld part along the direction of first surface to second surface higher than the
Plane where one weld part.
According to the one side of the utility model embodiment, boss includes the first round boss and the second circle of coaxial arrangement
Shape boss, the outer diameter of the first round boss is more than the outer diameter of the second round boss, and the first round boss is close to plate
Shape ontology is arranged.
According to the one side of the utility model embodiment, boss includes a round boss.
According to the one side of the utility model embodiment, the notch cuttype through hole of plate-like body is provided through in boss,
Notch cuttype through hole includes the first through hole set gradually along the direction of first surface to second surface and the second through-hole, and first
The internal diameter size of through-hole is more than the internal diameter size of the second through-hole.
According to the one side of the utility model embodiment, the first weld part is provided with guide groove backwards to the side of boss.
According to the one side of the utility model embodiment, output electric connecting sheet further comprises connecting with the first weld part
Sampling unit.
According to the one side of the utility model embodiment, sampling unit and the first weld part are plate-like piece, and sampling unit
The second transition part is additionally provided between the first weld part so that sampling unit is along the direction of first surface to second surface
Less than the plane where the first weld part.
On the other hand, the utility model embodiment additionally provides a kind of battery modules, including：Shell has accommodation space
The opening being connected to with accommodation space；End plate is covered on opening, output through-hole is provided on end plate；Single battery component, setting
In accommodation space, single battery component includes output stage；Leading-out terminal is set on end plate；Electric connecting sheet is set to monomer electricity
Between pond component and end plate；Wherein, electric connecting sheet is foregoing output electric connecting sheet, exports the first welding of electric connecting sheet
Portion is electrically connected with output stage, and the boss for exporting electric connecting sheet is electrically connected by the output through-hole of end plate with leading-out terminal.
According to the one side of the utility model embodiment, battery modules further comprise that sealing ring, sealing ring are set to
On the peripheral surface of boss between second weld part and end plate.
The output electric connecting sheet with boss that the utility model embodiment provides, super-high-current ability is strong, and structure letter
It is single, of low cost.In addition, the battery modules that the utility model embodiment provides can be advance using above-mentioned output electric connecting sheet
Will output electric connecting sheet be welded on the output stage of single battery component, then by boss from the end plate of battery modules stretching after with it is defeated
Go out terminal to be welded to connect, compared with prior art, simplifies the switching Joining Technology between output stage and leading-out terminal, and then drop
The low complexity of battery modules packaging technologies.
Description of the drawings
The feature, advantage and technique effect of the utility model exemplary embodiment described below with reference to the accompanying drawings.
Fig. 1 is a kind of structural schematic diagram for output electric connecting sheet that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram of another output electric connecting sheet in battery modules shown in FIG. 1；
Fig. 3 is the vertical view of output electric connecting sheet shown in FIG. 1；
Fig. 4 is in Fig. 3 along the sectional view in the directions A-A；
Fig. 5 is structural schematic diagram of the output electric connecting sheet shown in FIG. 1 along another angle；
Fig. 6 is the structural schematic diagram for the battery modules that the utility model embodiment provides；
Fig. 7 is the assembling effect figure of the sealing ring in battery modules shown in fig. 6.
Wherein：
10- exports electric connecting sheet；
The first weld parts of 11-；11a- guide grooves；111- First Transitions portion；The second transition parts of 112-；
The second weld parts of 12-；121- boss；The first round boss of 121a-；The second round boss of 121b-；121c- is round
Boss；122- plate-like bodies；123- notch cuttype through hole；1- first through hole；The second through-holes of 2-；13- sampling units；
20- shells；Opening -21；30- end plates；31- exports through-hole；
40- single battery components；41- output stages；Electric connecting sheet between 42- batteries；
50- leading-out terminals；60- sealing rings；70- insulating supports.
In the accompanying drawings, identical component uses identical reference numeral.Attached drawing is not drawn according to actual ratio.
Specific implementation mode
The feature and exemplary embodiment of the various aspects of the utility model is described more fully below.It is retouched in detail in following
In stating, it is proposed that many details, in order to provide the comprehensive understanding to the utility model.But for people in the art
It will be apparent that the utility model can be implemented in the case of some details in not needing these details for member.
Below the description of embodiment is used for the purpose of providing to the more preferable of the utility model by showing the example of the utility model
Understanding.In the the accompanying drawings and the following description, at least part of known features and technology are not shown, to avoid to this reality
Unnecessary obscure is caused with novel；Also, for clarity, may be exaggerated the size of part-structure.In addition, hereinafter being retouched
Feature, the structure or characteristic stated can be in any suitable manner incorporated in one or more embodiments.
The noun of locality of middle appearance described below is direction shown in figure, is not to be electrically connected to the output of the utility model
The concrete structure of contact pin and battery modules including the output electric connecting sheet is defined.In the description of the present invention, also
It should be noted that unless otherwise clearly defined and limited, term " installation ", " connection " shall be understood in a broad sense, for example, can be with
It is to be fixedly connected, can also be detachable connection, or be integrally connected；It can be directly connected, can also be indirectly connected.It is right
For those skilled in the art, visual concrete condition understands the concrete meaning of above-mentioned term in the present invention.
The utility model in order to better understand is electrically connected to the output of the utility model embodiment with reference to Fig. 1 to Fig. 7
Contact pin and battery modules including the output electric connecting sheet are described in detail.
Refering to fig. 1, the utility model embodiment provides a kind of output electric connecting sheet 10, is used for battery modules.Battery mould
Group includes the single battery component for having output stage.Single battery component passes through series, parallel or string by multiple single batteries
Parallel way forms.The output stage of single battery component includes positive and negative output stage, is generally respectively arranged at wherein some monomer
The both ends of battery or the same end of certain two single battery being spaced, the positive and negative electrode of other adjacent each single batteries
Electrical connection is realized by electric connecting sheet between battery between column.
Exporting electric connecting sheet 10 includes：First weld part 11 and the second weld part 12.Wherein, the first weld part 11 can be with
Output stage is electrically connected.Second weld part 12 is connect with the first weld part 11, and the second weld part 12 includes plate-like body 122 and setting
In the boss 121 of plate-like body 122, plate-like body 122 has a first surface and second surface being oppositely arranged, boss 121 by
Plate-like body 122 is protruded to be formed along the direction of first surface to second surface.Boss 121 can with for being electrically connected with external devices
The leading-out terminal electrical connection connect.
As an alternative embodiment, any one of copper, aluminium, nickel material system may be used in output electric connecting sheet 10
It forms, and coating or electroplated conductive metal layer on the surface, to increase electric conductivity.
The output electric connecting sheet 10 that the utility model embodiment provides, it is excessive compared with the piece in the prior art that is flexible coupling
Current capacity is relatively strong, and of simple structure and low cost.
The concrete structure of detailed description output electric connecting sheet 10 below in conjunction with the accompanying drawings.
Also referring to Fig. 1 and Fig. 2, the first weld part 11 is plate-like piece, and the first weld part 11 and plate-like body 122 it
Between can be provided with First Transition portion 111 so that plate-like body 122 along the direction of first surface to second surface higher than the
Plane where one weld part 11.First weld part 11 is welded with output stage, if be electrically connected between the battery adjacent with output stage
Piece is located at the lower section of plate-like body 122, may cause being electrically connected for the second weld part 12 and other adjacent single batteries, therefore
Insulating part can be set higher than the space in the plane where the first weld part 11 in plate-like body 122, so that the second weld part
12 insulate with other adjacent single batteries.
As an alternative embodiment, the first weld part 11 can also be in the same plane with plate-like body 122,
The first surface opposite with other single batteries of plate-like body 122 can carry out insulation processing at this time, with specific reference to the second welding
Depending on the position relationship of portion 12 and other adjacent single batteries.
Further, boss 121 may include the first round boss 121a and the second round boss 121b of coaxial arrangement,
As shown in Figure 1.The outer diameter of first round boss 121a is more than the outer diameter of the second round boss 121b, and first is round
Boss 121a is arranged close to plate-like body 122.Second round boss 121b can be electrically connected with leading-out terminal.
As an alternative embodiment, boss 121 may include a round boss 121c, as shown in Figure 2.It is round
Boss 121c can be electrically connected with leading-out terminal.
In addition, boss 121 can be integrally formed with plate-like body 122 by modes such as die casting, it can also be single by boss 121
It is connected as one with plate-like body 122 by modes such as welding after solely making.For ease of description, below to include first round convex
It is illustrated for the boss 121 of platform 121a and the second round boss 121b.
Refering to Fig. 3 and Fig. 4, the notch cuttype through hole 123 of plate-like body 122 is provided through in boss 121, for accommodating riveting
Nail.Notch cuttype through hole 123 includes the first through hole 1 set gradually along the direction of first surface to second surface and the second through-hole
2, and the internal diameter size of first through hole 1 is more than the internal diameter size of the second through-hole 2, leads to so that rivet is worn from first through hole 1 to second
Hole 2.The depth dimensions and internal diameter size of first through hole 1 and the second through-hole 2 are adapted with rivet.It is provided on leading-out terminal and rank
123 corresponding through-hole of ladder type through-hole, to make to be engaged by rivet staking between leading-out terminal and boss 121.It is defeated after staking
Go out terminal the modes such as laser fuU penetration welding may be used with boss 121 to weld together.
As an alternative embodiment, leading-out terminal can also be welded with boss 121 by the way of laser butt seam welding
It is connected together, without staking technique.
Refering to Fig. 5, the first weld part 11 is provided with guide groove 11a backwards to the side of boss 121, is exported convenient for quickly positioning
Pole, and prevent output electric connecting sheet 10 from welding deflection with output stage.
Further, output electric connecting sheet 10 further includes the sampling unit 13 being connect with the first weld part 11.Sampling unit 13 is
Plate-like piece is electrically connected by nickel sheet welding, wire bonding or bolted mode with the realization of the sampling unit of battery modules.
As an alternative embodiment, sampling unit 13 can be provided with the second transition part between the first weld part 11
112 so that plane of the sampling unit 13 where being less than the first weld part 11 along the direction of first surface to second surface.Due to
The first weld part 11 can be squeezed when assembled battery module, sampling unit 13 is set to than 11 lower plane of the first weld part, can be with
So that sampling unit 13 is not influenced by external compression power, prevent sampling from failing, improves the reliability of sampling connection.In addition, sampling unit
13 and first weld part 11 can also be generally aligned in the same plane in, according to each single battery it is specific be laid out depending on.
Refering to Fig. 6, the utility model embodiment additionally provides a kind of battery modules comprising：Shell 20, end plate 30, list
Body battery component 40, leading-out terminal 50 and electric connecting sheet.
The opening 21 that shell 20 has accommodation space and is connected to accommodation space；End plate 30 is covered on opening 21, end plate 30
On be provided with output through-hole 31；Single battery component 40 is set to accommodation space, and single battery component includes output stage 41；Output
Terminal 50 is set on end plate 30, for being electrically connected with external devices；Electric connecting sheet is set to single battery component 40 and end plate
Between 30.
Wherein, electric connecting sheet is foregoing output electric connecting sheet 10.Export the first weld part 11 of electric connecting sheet 10
It is electrically connected with output stage 41, the boss 121 for exporting electric connecting sheet 10 passes through the output through-hole 31 and 50 electricity of leading-out terminal of end plate 30
Connection.
As previously mentioned, the positive and negative output stage 41 of single battery component 40 is generally respectively arranged at some single battery
Both ends or the same end of certain two single battery being spaced, between the positive and negative pole of other adjacent each single batteries
It is realized and is electrically connected by electric connecting sheet between battery 42.In order to make electric connecting sheet 42 between the second weld part 12 and battery insulate, battery
Module further includes insulating support 70, and pockets are provided on insulating support 70, and the second weld part 12 is embedded in pockets.
Refering to Fig. 7, battery modules further include sealing ring 60, and sealing ring 60 is set between the second weld part 12 and end plate 30
Boss 121 peripheral surface on, boss 121 pass through sealing ring 60 after from output through-hole 31 stretch out and be electrically connected with leading-out terminal 50
It connects, so as to insulate between boss 121 and end plate 30, while realizing the sealing between leading-out terminal 50 and battery modules.
Further, when boss 121 includes the first round boss 121a and the second round boss 121b of coaxial arrangement,
Sealing ring 60 is set between the end face and end plate 30 of the first round boss 121a, and the cross section of sealing ring 60 is L-shaped, covers
End face and the peripheral surface for covering the first round boss 121a, prevent the play in an axial direction of sealing ring 60, the thickness of sealing ring 60 to be more than
Gap between the end face and end plate 30 of first round boss 121a.When boss 121 is only a round boss 121c, sealing
Circle 60 is set between plate-like body 122 and end plate 30, and sealing ring 60 is O-ring, and the diameter of O-ring is more than plate-like body
Gap between 122 and end plate 30.It exports after electric connecting sheet 10 and leading-out terminal 50 weld, then end plate 30 and shell 20 are welded
Together, to realize the sealing between leading-out terminal 50 and battery modules.
The battery modules that the utility model embodiment provides using foregoing output electric connecting sheet 10, can in advance by
First weld part 11 is soldered on the output stage 41 of single battery component 40, then by the boss 121 of the second weld part 12 and is exported
Terminal 50 is welded to connect, and compared with prior art, simplifies the switching Joining Technology between output stage 41 and leading-out terminal 50, into
And reduce the complexity of battery modules packaging technology.
Although the present utility model has been described by reference to the preferred embodiments, but in the model for not departing from the utility model
In the case of enclosing, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as not depositing
In structural conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The utility model
It is not limited to specific embodiment disclosed herein, but includes all technical solutions fallen within the scope of the appended claims.
Claims (10)
1. a kind of output electric connecting sheet (10), which is characterized in that including：
First weld part (11)；With
Second weld part (12) is connect with first weld part (11), and second weld part (12) includes plate-like body
(122) and it is set to the boss (121) of the plate-like body (122), the plate-like body (122) has first be oppositely arranged
Surface and second surface, the boss (121) is by the plate-like body (122) along the first surface to the second surface
It protrudes to be formed in direction.
2. output electric connecting sheet (10) according to claim 1, which is characterized in that first weld part (11) is plate
Part, and First Transition portion (111) is additionally provided between first weld part (11) and the plate-like body (122) so that institute
It states plate-like body (122) and is being higher than the first weld part (11) institute along the first surface to the direction of the second surface
Plane.
3. output electric connecting sheet (10) according to claim 2, which is characterized in that the boss (121) includes coaxially setting
The first round boss (121a) and the second round boss (121b) set, the outer diameter of first round boss (121a) are big
In the outer diameter of second round boss (121b), and first round boss (121a) is close to the plate-like body
(122) it is arranged.
4. output electric connecting sheet (10) according to claim 2, which is characterized in that the boss (121) includes a circle
Shape boss (121c).
5. output electric connecting sheet (10) according to claim 3 or 4, which is characterized in that be provided in the boss (121)
Notch cuttype through hole (123) through the plate-like body (122), the notch cuttype through hole (123) includes along the first surface
The first through hole (1) and the second through-hole (2) set gradually on to the direction of the second surface, and the first through hole (1)
Internal diameter size is more than the internal diameter size of second through-hole (2).
6. output electric connecting sheet (10) according to claim 1, which is characterized in that first weld part (11) is backwards to institute
The side for stating boss (121) is provided with guide groove (11a).
7. output electric connecting sheet (10) according to claim 1, which is characterized in that the output electric connecting sheet (10) is into one
Step includes the sampling unit (13) being connect with first weld part (11).
8. output electric connecting sheet (10) according to claim 7, which is characterized in that the sampling unit (13) and described first
Weld part (11) is plate-like piece, and is additionally provided with the second transition between the sampling unit (13) and first weld part (11)
Portion (112) so that the sampling unit (13) is being less than described first along the first surface to the direction of the second surface
Plane where weld part (11).
9. a kind of battery modules, including：
Shell (20), with accommodation space and the opening (21) being connected to the accommodation space；
End plate (30) is covered on the opening (21), and output through-hole (31) is provided on the end plate (30)；
Single battery component (40), is set to the accommodation space, and the single battery component includes output stage (41)；
Leading-out terminal (50) is set on the end plate (30)；And
Electric connecting sheet is set between the single battery component (40) and the end plate (30)；
It is characterized in that：
The electric connecting sheet is that claim 1 to 8 any one of them such as exports electric connecting sheet (10), the output electric connecting sheet
(10) first weld part (11) is electrically connected with the output stage (41), the boss of the output electric connecting sheet (10)
(121) it is electrically connected with the leading-out terminal (50) by the output through-hole (31) of the end plate (30).
10. battery modules according to claim 9, which is characterized in that the battery modules further comprise sealing ring
(60), the sealing ring (60) is set to the boss (121) between second weld part (12) and the end plate (30)
Peripheral surface on.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362712.1U CN207896181U (en) | 2018-03-16 | 2018-03-16 | Output electric connecting sheet and the battery modules for including the output electric connecting sheet |
| PCT/CN2018/082249 WO2019174086A1 (en) | 2018-03-16 | 2018-04-09 | Output electrical connection piece and battery module comprising output electrical connection piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362712.1U CN207896181U (en) | 2018-03-16 | 2018-03-16 | Output electric connecting sheet and the battery modules for including the output electric connecting sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207896181U true CN207896181U (en) | 2018-09-21 |
Family
ID=63541413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820362712.1U Active CN207896181U (en) | 2018-03-16 | 2018-03-16 | Output electric connecting sheet and the battery modules for including the output electric connecting sheet |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207896181U (en) |
| WO (1) | WO2019174086A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5415209B2 (en) * | 2009-09-30 | 2014-02-12 | 日産自動車株式会社 | Battery module and battery module group manufacturing method |
| CN103996884B (en) * | 2014-06-16 | 2016-02-17 | 苏州和钧新能源有限公司 | Lithium battery module |
| CN204991821U (en) * | 2015-09-09 | 2016-01-20 | 丰田自动车株式会社 | Secondary battery |
| CN205752609U (en) * | 2016-07-08 | 2016-11-30 | 宁德时代新能源科技股份有限公司 | A kind of Wiring harness terminal attachment structure and electrokinetic cell module |
| CN106450137B (en) * | 2016-11-15 | 2019-02-22 | 宁德时代新能源科技股份有限公司 | Secondary battery |
-
2018
- 2018-03-16 CN CN201820362712.1U patent/CN207896181U/en active Active
- 2018-04-09 WO PCT/CN2018/082249 patent/WO2019174086A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019174086A1 (en) | 2019-09-19 |
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