CN208835119U - A kind of 21700 battery core batteries in parallel connection module shells - Google Patents
A kind of 21700 battery core batteries in parallel connection module shells Download PDFInfo
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- CN208835119U CN208835119U CN201820976119.6U CN201820976119U CN208835119U CN 208835119 U CN208835119 U CN 208835119U CN 201820976119 U CN201820976119 U CN 201820976119U CN 208835119 U CN208835119 U CN 208835119U
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- battery core
- parallel connection
- module casing
- connection module
- batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to battery core batteries in parallel connection mould technical group fields, more particularly to a kind of 21700 battery core batteries in parallel connection module shells；Including the module casing for installing 21700 single battery cores being arranged in parallel, module casing two sides outer wall is equipped with the first mounting groove and the second mounting groove for installing cylinder manifold in parallel；It is laid with multiple inserting grooves on the two sides inner wall of the module casing, electrode is additionally provided on the two sidewalls of the module casing and installs through-hole, each electrode installs through-hole and each inserting groove location corresponds.21700 battery core batteries in parallel connection module shell disclosed in the utility model, it is multiple for inserting the inserting groove of 21700 single battery core by being arranged in module casing, 21700 single battery cores are fixed in the module casing in a manner of inserting clamping, it can satisfy high-strength structure required for batteries in parallel connection mould group composed by 21700 big single battery cores of capacity, and structure is simple, manufacturing cost is lower.
Description
Technical field
The utility model relates to battery core batteries in parallel connection mould technical group fields, more particularly to a kind of 21700 battery core batteries in parallel connection
Module shell.
Background technique
Today's society, with the continuous improvement of people's living standards, the demand to automobile is more and more, meanwhile, the energy is asked
Topic is constantly deepened, and oil product is gradually in short supply, and also constantly deepens to the pollution of environment.How effective one kind is manufactured
The new-energy automobile for substituting orthodox car becomes the developing goal of current all Automobile Enterprises.Moreover, country is to new-energy automobile
Industry is vigorously supported, also exactly for this purpose.New-energy automobile is divided into pure electric automobile and hybrid power again
Automobile, however, be it is any, all be unable to do without power battery and for it provide power.And the power battery as the energy, due to it
The characteristic of itself needs to increase by way of serial or parallel connection in use the energy and voltage of battery pack, how will
Battery core meets its string by structure design and demand becomes the general orientation researched and developed for new-energy automobile.
Upper level assembly of the mould group as single battery core is the intermediate structure for connecting single battery core and battery pack, design
The performance that quality significantly affects battery pack plays.Single battery core capacity in lithium ion battery module group type lithium ion battery is big, institute
Structure larger with weight, that composition mould group needs to have higher-strength.Also due to 21700 single battery core capacity are big, it is easy to make
At specific surface area deficiency, better radiating condition is needed.Simultaneously in order to meet energy density demand, groups of fixed structure is lighter
Better.However 21700 current lithium ion battery mould groups are unable to satisfy above-mentioned requirements.
Therefore, to solve the above-mentioned problems, it is badly in need of inventing a kind of 21700 new battery core batteries in parallel connection module shells.
Summary of the invention
The purpose of this utility model is that: a kind of 21700 battery core batteries in parallel connection module shells are provided, 21700 battery cores are solved
While parallel-connection structure, it can satisfy mould group and need with higher-strength and good thermal diffusivity.
The utility model provides following proposal:
A kind of 21700 battery core batteries in parallel connection module shells, including for installing 21700 single battery cores being arranged in parallel
Module casing, module casing two sides outer wall are equipped with the first mounting groove and the second installation for installing cylinder manifold in parallel
Slot；Multiple inserting grooves for 21700 single battery cores of corresponding inserting, the mould are laid on the two sides inner wall of the module casing
The electrode being additionally provided on the two sidewalls of group shell for the electrode of 21700 single battery cores to be pierced by installs through-hole, each electrode
It installs through-hole and each inserting groove location corresponds.
Preferably, it is additionally provided on the inner sidewall of the module casing and multiple carries out assembling positioning for the module casing
The central axis of positioning column, the central axis and each inserting groove of each positioning column is set in parallel；The center of the positioning column
Axis is equipped with for battery modules to be carried out with cooling cooling water conservancy diversion through-hole.
Preferably, the quantity of the positioning column is even number, and each positioning column is relative to the module casing in height side
Upward center line is symmetrical set, and in symmetrically arranged a pair positioning column, the top of one of them positioning column
Equipped with inserting notch, the top of another positioning column is equipped with insertion head.
Preferably, multiple thermal vias, the central axis of each thermal vias are additionally provided on the module casing two sidewalls
The centerline axis parallel of line and each inserting groove is arranged, and each thermal vias is in set uniformly at intervals with each inserting groove
It sets.
Preferably, the module casing includes two completely identical in structure half shells, and each half-shell body position is corresponding
Setting is fastened, and passes through locking connector locking；The inserting groove is equipped on the inner sidewall of each half shell, and each described
The notch position of inserting groove is arranged in a one-to-one correspondence.
Preferably, the half shell includes sequentially connected left plate, epipleural, right side plate and lower side panel, the left side
Plate, the epipleural, the right side plate and the lower side panel edge on be equipped with for detaining two half shells
The fastening structure of conjunction.
Preferably, the fastening structure on the left plate is clamp, and the fastening structure on the right side plate is
Card slot, the fastening structure on the epipleural are to fasten plate, and the fastening structure on the lower side panel is to fasten to insert
Slot.
Preferably, the locking connector is arranged on the fastening plate.
Preferably, the half shell is in integrated injection molding.
Preferably, the half shell is made of phenoplasts.
The utility model generate the utility model has the advantages that
1,21700 battery core batteries in parallel connection module shell disclosed in the utility model, including being arranged in parallel for installing
The module casing of 21700 single battery cores, module casing two sides outer wall are equipped with the first peace for installing cylinder manifold in parallel
Tankage and the second mounting groove；It is laid on the two sides inner wall of the module casing multiple for 21700 single battery cores of corresponding inserting
Inserting groove, the electrode being additionally provided with for the electrode of 21700 single battery cores to be pierced by the two sidewalls of the module casing installs
Through-hole, each electrode installs through-hole and each inserting groove location corresponds；By the way that multiple use are arranged in module casing
In the inserting groove for inserting 21700 single battery core, 21700 single battery cores are fixed on the mould group in a manner of inserting clamping
In shell, high-strength structure required for batteries in parallel connection mould group composed by 21700 big single battery cores of capacity can satisfy, and
Structure is simple, manufacturing cost is lower；
2, multiple positioning that assembling positioning is carried out for the module casing are additionally provided on the inner sidewall of the module casing
The central axis of column, the central axis and each inserting groove of each positioning column is set in parallel；The central axis of the positioning column
It is equipped with for battery modules to be carried out with cooling cooling water conservancy diversion through-hole；It, can be cold with outside by the way that cooling water conservancy diversion through-hole is arranged
But system is connected to, and increases the refrigerating function of battery modules；And the cooling water conservancy diversion through-hole of multiple battery modules can assemble
At self-contained cooling system when battery pack, without cooling device is separately arranged, structure is simple, increases the heat dissipation redundancy of system,
Meet thermal diffusivity required for batteries in parallel connection mould group composed by 21700 big single battery cores of capacity, improves battery modules
Use reliability；
3, multiple thermal vias are additionally provided on the module casing two sidewalls, the central axis of each thermal vias and each
The centerline axis parallel of the inserting groove is arranged, and each thermal vias is in be arranged uniformly at intervals with each inserting groove；It mentions
The high thermal diffusivity of mould group, while promoting battery energy density, convenient for the heat dissipation on each 21700 battery core surface, improves battery mould
The service life of group；
3, module casing is made up of two completely identical in structure half shells of setting, each half-shell body position is corresponding
Setting is fastened, and by locking connector locking, further improves the intensity of structure, and high reliablity；
4, the quantity of the positioning column is even number, each positioning column relative to the module casing in the height direction
Center line is symmetrical set, and in symmetrically arranged a pair positioning column, and the top of one of them positioning column, which is equipped with, inserts
The top of tankage mouth, another positioning column is equipped with insertion head, for the inserting when two half shells are fastened
Positioning；The half shell includes sequentially connected left plate, epipleural, right side plate and lower side panel, the left plate, the upside
The fastening knot for fastening two half shells is equipped on the edge of plate, the right side plate and the lower side panel
Structure；The fastening structure on the left plate is clamp, and the fastening structure on the right side plate is card slot, the upside
The fastening structure on plate is to fasten plate, and the fastening structure on the lower side panel is to fasten slot；Entire mould group
Positioning and fastening structure ensure that quick assembling and integral strength requirement, the energy of further Lifting Modules group of mould group, and tie
Structure is simple, easy to operate, easy to maintain, has taken into account the economical and reasonability of structure；
5, the half shell is in integrated injection molding, and the half shell is made of phenoplasts, preferably acrylic nitrile-butadiene two
Alkene-styrol copolymer (ABS) or polyphenylene oxide (PPO) are made, and to meet lightweight, and reduce the process costs of production and processing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram (perspective view) of the half shell of the utility model；
Fig. 2 is the structural schematic diagram (main view) of the half shell of the utility model；
Fig. 3 is the structural schematic diagram (dorsal view) of the half shell of the utility model；
Fig. 4 is the structural schematic diagram (left view) of the half shell of the utility model；
Fig. 5 is the structural schematic diagram (right view) of the half shell of the utility model；
Fig. 6 is the structural schematic diagram (bottom view) of the half shell of the utility model；
Fig. 7 is the structural schematic diagram (top view) of the half shell of the utility model；
Fig. 8 is the structural schematic diagram (cross-sectional view) of the positioning column of the utility model.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Referring to shown in Fig. 1 to Fig. 8, a kind of 21700 battery core batteries in parallel connection module shells, including being arranged in parallel for installing
The module casing 1 of 21700 single battery cores, module casing two sides outer wall are equipped with the first peace for installing cylinder manifold in parallel
Tankage 2 and the second mounting groove 3；It is laid on the two sides inner wall of the module casing multiple for corresponding inserting 21700 monomers electricity
The inserting groove 5 of core, the electrode being additionally provided with for the electrode of 21700 single battery cores to be pierced by the two sidewalls of the module casing are worn
Through-hole 6 is filled, each electrode installs through-hole and each inserting groove location corresponds.On the inner sidewall of the module casing also
Equipped with multiple positioning columns 7 for carrying out assembling positioning for the module casing, the central axis of each positioning column and each inserting
The central axis of slot is set in parallel；The central axis of the positioning column is equipped with for battery modules to be carried out with cooling cooling
Water conservancy diversion through-hole 8.The quantity of the positioning column is even number, each positioning column relative to the module casing in the height direction
Center line is symmetrical set, and in symmetrically arranged a pair positioning column, and the top of one of them positioning column, which is equipped with, inserts
The top of tankage mouth 9, another positioning column is equipped with insertion head 10, for inserting when two half shells are fastened
Set position.
Multiple thermal vias 11 are additionally provided on module casing two sidewalls described in the present embodiment, in each thermal vias
The centerline axis parallel of mandrel line and each inserting groove is arranged, and each thermal vias and each inserting groove are equal in interval
Cloth setting.The module casing includes two completely identical in structure half shells 12, and corresponding fasten in each half-shell body position sets
It sets, and by locking connector locking, the locking connector is card slot clamp locking connector；The inside of each half shell
The inserting groove is equipped on wall, and the notch position of each inserting groove is arranged in a one-to-one correspondence.The half shell includes successively
Left plate 13, epipleural 14, right side plate 15 and the lower side panel 16 of connection, the left plate, the epipleural, the right side plate and
The fastening structure for fastening two half shells is equipped on the edge of the lower side panel.On the left plate
The fastening structure is clamp 17, and the fastening structure on the right side plate is card slot 18, the button on the epipleural
Closing structure is to fasten plate 19, and the fastening structure on the lower side panel is to fasten slot 20.The locking connector setting
On the fastening plate.The half shell is in integrated injection molding.The half shell is made of phenoplasts.The upside
The bolt hole 21 for fixing the cylinder manifold is additionally provided on plate, the upper end of the module casing, which is equipped with, is used for multiple module casings
It is attached the connecting groove 22 of positioning, the connecting groove is arranged on the epipleural, and the bolt hole is arranged described
In connecting groove；The dismounting hole 4 that module casing is dismounted is additionally provided on the epipleural；The half shell in integrated injection molding at
Type, the half shell are made of phenoplasts.
21700 battery core batteries in parallel connection module shell described in the present embodiment, including single for installing be arranged in parallel 21700
The module casing of body battery core, module casing two sides outer wall are equipped with the first mounting groove and for installing cylinder manifold in parallel
Two mounting grooves；Multiple inserting grooves for 21700 single battery cores of corresponding inserting are laid on the two sides inner wall of the module casing,
It is additionally provided with the electrode for the electrode of 21700 single battery cores to be pierced by the two sidewalls of the module casing and installs through-hole, each institute
It states electrode and installs through-hole and each inserting groove location one-to-one correspondence；It is multiple described for inserting by being arranged in module casing
21700 single battery cores are fixed in the module casing, energy by the inserting groove of 21700 single battery cores in a manner of inserting clamping
Enough meet high-strength structure required for batteries in parallel connection mould group composed by 21700 big single battery cores of capacity, and structure it is simple,
Manufacturing cost is lower.
21700 battery core batteries in parallel connection module shell described in the present embodiment is additionally provided on the inner sidewall of the module casing
It is multiple to carry out the positioning columns of assembling positioning for the module casing, in the central axis and each inserting groove of each positioning column
Mandrel line is set in parallel；The central axis of the positioning column is equipped with logical for carrying out cooling cooling water conservancy diversion to battery modules
Hole；By the way that cooling water conservancy diversion through-hole is arranged, it can be connected to external cooling system, increase the refrigerating function of battery modules；And
The cooling water conservancy diversion through-hole of multiple battery modules can when being assembled into battery pack self-contained cooling system, do not have to the cooling dress of separately setting
It sets, structure is simple, increases the heat dissipation redundancy of system, meets batteries in parallel connection composed by 21700 big single battery cores of capacity
Thermal diffusivity required for mould group improves the use reliability of battery modules；
21700 battery core batteries in parallel connection module shell described in the present embodiment is additionally provided on the module casing two sidewalls more
The centerline axis parallel of a thermal vias, the central axis of each thermal vias and each inserting groove is arranged, and each described
Thermal vias is in be arranged uniformly at intervals with each inserting groove；The thermal diffusivity for improving mould group promotes the same of battery energy density
When, convenient for the heat dissipation on each 21700 battery core surface, improve the service life of battery modules.
21700 battery core batteries in parallel connection module shell described in the present embodiment passes through setting two completely identical in structure half
Shell forms module casing, and each half-shell body position is corresponding to fasten setting, and by locking connector locking, further mention
The high intensity of structure, and high reliablity.
21700 battery core batteries in parallel connection module shell described in the present embodiment, the quantity of the positioning column are even number, each described
Positioning column is symmetrical set relative to the center line of the module casing in the height direction, and symmetrically arranged a pair is described fixed
In the column of position, the top of one of them positioning column is equipped with inserting notch, and the top of another positioning column is equipped with insertion head,
For the inserting positioning when two half shells are fastened；The half shell includes sequentially connected left plate, upside
Plate, right side plate and lower side panel, the left plate, the epipleural, the right side plate and the lower side panel edge on be equipped with
Fastening structure for fastening two half shells；The fastening structure on the left plate is clamp, described
The fastening structure on right side plate is card slot, and the fastening structure on the epipleural is to fasten plate, the lower side panel
On the fastening structure be fasten slot；The positioning of entire mould group and fastening structure ensure that the quick assembling and entirety of mould group
Intensity requirement, the energy of further Lifting Modules group, and structure is simple is easy to operate, easy to maintain, taken into account the economical of structure and
Reasonability.
21700 battery core batteries in parallel connection module shell described in the present embodiment, the half shell is in integrated injection molding, described
Half shell is made of phenoplasts, and preferably acrylonitrile-butadiene-styrene copolymer (ABS) or polyphenylene oxide (PPO) is made,
To meet lightweight, and reduce the process costs of production and processing.
21700 battery core batteries in parallel connection module shell disclosed in the utility model, with the battery of 21700 cylindrical electrical cores 33 simultaneously
For mould group, including half shell 2, cylinder manifold (being made of cupro-nickel material) 2；The half shell, can by special designing
A complete, closed module casing is formed to fasten two-by-two.Inserting groove is designed in half shell, battery core can be embedded in, to electricity
Core plays fixed supporting role.Cylinder manifold uses laser welding mode, and confluence copper bar and contact nickel sheet are welded together.Its group
Dress process are as follows: first 21700 single battery cores are placed in the half shell of side according to identical electrodes direction, it then will be described in the other side
Half shell is buckled in the half shell of this side according to 180 ° of overturning of form, is combined together by the buckle in half shell, group
At a complete module casing；Finally two cylinder manifolds are individually positioned in the groove of half shell two sides, make to contact nickel sheet
With battery core contact electrode, entire battery modules are completed by nickel sheet together with battery core electrode welding using professional welding machine later
Assembly.
21700 battery core batteries in parallel connection module shell disclosed in the utility model, the half shell inside are equipped with inserting groove
To fix 21700 single battery cores；The half shell front is provided with electrode and installs through-hole, battery core electrode to be exposed,
It is convenient to be welded with confluence piece；There are two circular ring type positioning column on the inside of the half shell, one of end is equipped with insertion head, in addition
One side end is equipped with inserting notch, when assembling two-by-two, when one of half shell overturns 180 °, and the positioning column of two half shells
On insertion head and inserting notch can mutually fasten.Four cycle side plate edges of half shell are designed using same thought, in half
Portion is designed using convex, and groove design is used inside half, when assembling two-by-two, when one of shell overturns 180 °, and two
The protrusion and groove of the outer ring of half shell can be fastened mutually.Guaranteed using same design in group in the outside of the half shell
It after complete mould group, can also cooperate between mould group and mould group, improve the convenience of assembly.It is disclosed in the utility model
21700 cylindrical electrical cores can be connected in parallel by 21700 battery core batteries in parallel connection module shells by structure, the energy of Lifting Modules group
Amount, and structure is simple, it is easy to operate, it is easy to maintain.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of 21700 battery core batteries in parallel connection module shells, it is characterised in that: including single for installing be arranged in parallel 21700
The module casing of body battery core, module casing two sides outer wall are equipped with the first mounting groove and for installing cylinder manifold in parallel
Two mounting grooves；Multiple inserting grooves for 21700 single battery cores of corresponding inserting are laid on the two sides inner wall of the module casing,
It is additionally provided with the electrode for the electrode of 21700 single battery cores to be pierced by the two sidewalls of the module casing and installs through-hole, each institute
It states electrode and installs through-hole and each inserting groove location one-to-one correspondence.
2. 21700 battery core batteries in parallel connection module shell according to claim 1, it is characterised in that: the module casing
Multiple positioning columns that assembling positioning is carried out for the module casing, the central axis of each positioning column are additionally provided on inner sidewall
It is set in parallel with the central axis of each inserting groove；The central axis of the positioning column is equipped with cold for carrying out to battery modules
But cooling water conservancy diversion through-hole.
3. 21700 battery core batteries in parallel connection module shell according to claim 2, it is characterised in that: the number of the positioning column
Amount is even number, and each positioning column is symmetrical set relative to the center line of the module casing in the height direction, and symmetrical
In a pair positioning column of setting, the top of one of them positioning column is equipped with inserting notch, another described positioning column
Top be equipped with insertion head.
4. 21700 battery core batteries in parallel connection module shell according to claim 3, it is characterised in that: the module casing two
Multiple thermal vias, the centerline axis parallel of the central axis of each thermal vias and each inserting groove are additionally provided on side wall
Setting, and each thermal vias is in be arranged uniformly at intervals with each inserting groove.
5. 21700 battery core batteries in parallel connection module shell according to claim 4, it is characterised in that: the module casing packet
Two completely identical in structure half shells are included, each half-shell body position is corresponding to fasten setting, and passes through locking connector locking；
The inserting groove is equipped on the inner sidewall of each half shell, and the notch position of each inserting groove is arranged in a one-to-one correspondence.
6. 21700 battery core batteries in parallel connection module shell according to claim 5, it is characterised in that: the half shell includes
Sequentially connected left plate, epipleural, right side plate and lower side panel, the left plate, the epipleural, the right side plate and described
The fastening structure for fastening two half shells is equipped on the edge of lower side panel.
7. 21700 battery core batteries in parallel connection module shell according to claim 6, it is characterised in that: on the left plate
The fastening structure is clamp, and the fastening structure on the right side plate is card slot, the fastening knot on the epipleural
Structure is to fasten plate, and the fastening structure on the lower side panel is to fasten slot.
8. 21700 battery core batteries in parallel connection module shell according to claim 7, it is characterised in that: the locking connector
It is arranged on the fastening plate.
9. 21700 battery core batteries in parallel connection module shell according to claim 8, it is characterised in that: the half shell is in one
Body injection molding.
10. 21700 battery core batteries in parallel connection module shell according to claim 9, it is characterised in that: the half shell uses
Phenoplasts are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820976119.6U CN208835119U (en) | 2018-06-25 | 2018-06-25 | A kind of 21700 battery core batteries in parallel connection module shells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820976119.6U CN208835119U (en) | 2018-06-25 | 2018-06-25 | A kind of 21700 battery core batteries in parallel connection module shells |
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| Publication Number | Publication Date |
|---|---|
| CN208835119U true CN208835119U (en) | 2019-05-07 |
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ID=66305731
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820976119.6U Expired - Fee Related CN208835119U (en) | 2018-06-25 | 2018-06-25 | A kind of 21700 battery core batteries in parallel connection module shells |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550756A (en) * | 2018-06-25 | 2018-09-18 | 北斗航天汽车（北京）有限公司 | A kind of 21700 battery core batteries in parallel connection module shells |
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2018
- 2018-06-25 CN CN201820976119.6U patent/CN208835119U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550756A (en) * | 2018-06-25 | 2018-09-18 | 北斗航天汽车（北京）有限公司 | A kind of 21700 battery core batteries in parallel connection module shells |
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| CF01 | Termination of patent right due to non-payment of annual fee |