CN207896164U - Battery modules and battery pack - Google Patents
Battery modules and battery pack Download PDFInfo
- Publication number
- CN207896164U CN207896164U CN201820345728.1U CN201820345728U CN207896164U CN 207896164 U CN207896164 U CN 207896164U CN 201820345728 U CN201820345728 U CN 201820345728U CN 207896164 U CN207896164 U CN 207896164U
- Authority
- CN
- China
- Prior art keywords
- end plate
- battery
- battery pack
- battery modules
- insulation board
- 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.)
- Active
Links
Classifications
-
- 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
Abstract
This application involves energy storage device technical field more particularly to a kind of battery modules, further relate to a kind of battery pack.The battery modules include multiple battery packs, peripheral frame, end plate and insulation board, and there is the peripheral frame battery pack accommodating cavity and at least one opening, the opening to be connected to the battery pack accommodating cavity；The battery pack includes output stage and multiple single batteries, and multiple single batteries are in a row arranged, and are connect with the output stage, and multiple battery packs are mounted in the battery pack accommodating cavity；The end plate has electrode via, and the end plate is connect with the peripheral frame, to block the opening；It is both provided with the insulation board between the battery pack of arbitrary neighborhood.The shell of peripheral frame and end plate composition proportion shared in entire battery modules is relatively small in battery modules provided herein, is conducive to the energy density for promoting battery modules.
Description
Technical field
This application involves energy storage device technical field more particularly to a kind of battery modules, further relate to a kind of battery pack.
Background technology
With the rapid development of electronic equipment and new-energy automobile, the requirement to many performances of battery is also increasingly
Height, such as energy density and security performance.For example, single evenly distributed monomer electricity is usually only arranged in traditional battery modules
Pond, thus for the larger new-energy automobile of electrical demand, need to be equipped with the battery pack being made of multiple battery modules,
And there are series-parallel relationships between each battery modules.The monomer electricity that battery modules generally include shell and are set in shell
Pond, and in this battery pack, the proportion shared by shell is relatively large, is unfavorable for promoting the energy density of entire battery pack.
Utility model content
This application provides a kind of battery modules and battery pack, with solve the proportion shared by current battery module middle casing compared with
Greatly, the problem of being unfavorable for promoting the energy density of battery modules.
The first aspect of the application provides a kind of battery modules comprising peripheral frame, the peripheral frame are accommodating with battery pack
Chamber and at least one opening, the opening are connected to the battery pack accommodating cavity；
Multiple battery packs, the battery pack include output stage and multiple single batteries, and multiple single batteries are in a row arranged
Cloth, and connect with the output stage, multiple battery packs are mounted in the battery pack accommodating cavity；
End plate, the end plate have electrode via, and the end plate is connect with the peripheral frame, to block the opening；
Insulation board is both provided with the insulation board between the battery pack of arbitrary neighborhood.
Preferably, the peripheral frame includes the first half frames and the second half frames, and the first half frame and the second half frame are along the
One direction is oppositely arranged, the first half frame and the second half frame with the end plate connection.
Preferably, there are two battery pack settings, the insulation board and the first half frame and the second half frame are equal
Connection.
Preferably, for the insulation board in the both ends of the first half frame, at least one end is provided with grafting boss, described
The first half frames and the second half frame coordinate with grafting boss overlap joint.
Preferably, the insulation board and the end plate connection, and the two is matched in the thickness direction upper limit of the insulation board
It closes.
Preferably, there is the end plate spliced eye, the insulation board to pass through the spliced eye and the end plate grafting.
Preferably, the spliced eye is blind hole, welding Blind locating holes is additionally provided on the end plate, along the thickness of the end plate
Direction is spent, the spliced eye is opposite with the welding Blind locating holes.
Preferably, the end plate includes strengthening portion and sealing, and the sealing is overhanging to be connected to the outer of the strengthening portion
Edge；
The sealing includes ontology and solder-bump, and the solder-bump is connected by the ontology and the strengthening portion
It connects, along the thickness direction of the end plate, the solder-bump is connected to the outside of the ontology, and the ontology passes through the welding
It is raised to be tightly connected with the peripheral frame.
Preferably, it is provided with lightening hole on the end plate.
The second aspect of the application also provides a kind of battery pack, which includes the battery mould that any of the above-described is provided
Group.
Technical solution provided by the present application can reach following advantageous effect：
In battery modules provided herein, the external shell of battery modules is collectively formed in peripheral frame and end plate connection, the two
Body structure, compared to only include single battery pack battery modules for, battery modules provided herein include more
A battery pack, this can effectively reduce shell proportion shared in entire battery modules, to promote electricity to a certain extent
The energy density of pond module.
It should be understood that above general description and following detailed description is merely exemplary, this can not be limited
Application.
Description of the drawings
The structural schematic diagram for the battery modules that Fig. 1 is provided by the embodiment of the present application；
Fig. 2 is the front view of battery modules shown in FIG. 1；
Fig. 3 be Fig. 2 along A-A to sectional view；
Fig. 4 is the enlarged drawing of local I in Fig. 3；
The decomposition diagram for the battery modules that Fig. 5 is provided by the embodiment of the present application；
The decomposition diagram for the battery modules end plates that Fig. 6 is provided by the embodiment of the present application；
Another structural schematic diagram for the battery modules end plates that Fig. 7 is provided by the embodiment of the present application；
Fig. 8 is sectional views of the Fig. 7 along B-B direction；
Fig. 9 is the enlarged drawing of local I I in Fig. 8；
Figure 10 be Fig. 7 along C-C to sectional view；
Figure 11 is the enlarged drawing of local I II in Figure 10；
A kind of section of the sealing of end plate and peripheral frame cooperation in the battery modules that Figure 12 is provided by the embodiment of the present application
Figure；
Figure 13 is the enlarged drawing of local I V in Figure 12.
Reference numeral：
1- peripheral frames；
The first half frames of 11-；
The second half frames of 12-；
2- battery packs；
21- output stages；
22- single batteries；
3- end plates；
30- connection sheets；
31- electrode vias；
32- spliced eyes；
33- welds Blind locating holes；
34- strengthening portions；
35- sealings；
351- ontologies；
352- solder-bumps；
36- lightening holes；
Insulating boot on the inside of 37-；
Insulating boot on the outside of 38-；
39- flexo cushions；
4- insulation boards；
41- grafting boss.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and the principle together with specification for explaining the application.
Specific implementation mode
It is described in further detail below by specific embodiment and in conjunction with attached drawing to the application.
As shown in figures 1-13, the embodiment of the present application provides a kind of battery modules, the ratio shared by the battery modules middle casing
Weight is relatively small.As shown in Figure 1 and Figure 5, which includes that peripheral frame 1 and the connection of end plate 3 are formed by shell, and peripheral frame 1 has
There are battery pack accommodating cavity and at least one opening, multiple battery packs 2 in battery modules can be installed extremely by aforementioned opening
In battery pack accommodating cavity, in order to make to keep state of insulation between multiple battery packs 2, it is respectively provided between the battery pack 2 of arbitrary neighborhood
There is insulation board 4, end plate 3 in the installation to battery pack accommodating cavity of battery pack 2 and then blocked to the opening for being connected to peripheral frame 1,
The quantity of end plate 3 is identical as the quantity being open possessed by peripheral frame 1.Wherein, peripheral frame 1 can be by light rigid materials such as aluminium alloys
It is made, can be according to the size of the battery pack 2 accommodated, and the quantity of battery pack 2 that is accommodated selectes peripheral frame 1
Size similarly in the case where ensureing that peripheral frame 1 has enough structural strengths, can make the thickness of peripheral frame 1 as far as possible
It obtains small；End plate 3 can also be made of rigid materials such as metals, can be connected by welding between end plate 3 and peripheral frame 1；
Insulation board 4 can be made of insulating materials such as plastics, and certainly, insulation board 4 may be the metallic plate that surface layer is provided with insulating layer
Material, to promote the structural strength of insulation board 4；Single battery group 2 includes multiple single batteries 22, the shape of single battery 22,
The quantity of included single battery 22, can determine according to actual demand in the parameters such as size and a battery pack 2,
It can be both serially connected between multiple single batteries 22 in battery pack 2, can also be parallel with one another, or part series connection, separately
It is a part of in parallel；Multiple single batteries 22 are connect with output stage 21, and electrode via 31 is provided on end plate 3, can make output
Pole 21 passes through electrode via 31, or extraneous conducting wire that can connect both modes with output stage 21 by electrode via 31, realizes
The purpose that entire battery modules are connect with extraneous electrical appliance, certainly, in the case where the quantity of battery pack 2 is multiple, Ke Yigen
According to actual conditions, each single battery 22 in multiple battery packs 2 is connected with output stage 21.In addition, such as Fig. 6 institutes
Show, at the position of 3 counter electrode via 31 of end plate, is also provided with inside insulating boot 37, outside insulating boot 38, flexible buffer
Pad 39 and connection sheet 30, wherein inside insulating boot 37 and outside insulating boot 38 can be formed by insulating materials, and the two is sealed respectively
Inside and outside electrode via, with keep the extraneous state of insulation with inside battery modules and two output stages 21 it
Between state of insulation；In view of being inevitably present dimensional tolerance, connection sheet between different battery packs 2 and different end plates 3
Flexo cushion 39 is set between 30 and outside insulating boot 38, to when connecting connection sheet 30 and end plate 3, control connection
The flush of piece 30 and end plate 3 can specifically be realized, this can reduce connection sheet by compressed flexible cushion pad 39
Connection difficulty between 30 and end plate 3, meanwhile, also promote the connective stability between connection sheet 30 and end plate 3；Wherein, flexible
Cushion pad 39, which can be cushion made of the materials such as foam, rubber, pore structure.It should be noted that herein, first direction
Can be respectively direction X and direction Y in Fig. 1 with thickness direction.
It is above-mentioned it is found that in battery modules provided herein, peripheral frame 1 is connect with end plate 3, and battery mould is collectively formed in the two
Group external shell structure, compared to only include single battery pack 2 battery modules for, battery mould provided herein
Group includes multiple battery packs 2, this can effectively reduce shell proportion shared in entire battery modules, in certain journey
The energy density of battery modules is promoted on degree.
For the ease of implementing the assembly working between multiple battery packs 2 and peripheral frame 1, peripheral frame 1 may include the first half frames 11
With the second half frames 12, the first half frames 11 and the second half frames 12 are oppositely arranged along first direction, and the two is connected with end plate 3.
The first half frames 11 can be identical with the structure and material of the second half frames 12, can be by first in the installation process of battery pack 2
Half frame 11 and the second half frames 12 are respectively sleeved in multiple battery packs 2, then again by welding by the first half 11 Hes of frame
The second half frames 12 are connected on end plate 3, and battery pack 2 is protected.
Further, battery pack 2 there are two being arranged in a battery modules, in order to further enhance battery modules
Structural strength, it is preferable that insulation board 4 and the first half frames 11 and the second half frames 12 can be made to be all connected with.Specifically, insulation board 4 can
Think that surface is provided with the metallic plate of insulating coating, can pass through between the first half frames 11, the second half 4 threes of frame 12 and insulation board
The mode of welding interconnects, strong in order to further enhance the connection of the first half frames 11 and the second half between frame 12 and insulation board 4
Degree, as shown in Figure 3 and Figure 4, in insulation board 4 in the both ends of the first half frames 11 and the second half frames 12, at least one end can be set
It is equipped with boss-shaped structure, i.e. grafting boss 41, the grafting that the first half frames 11 and the second half frames 12 can be overlapped on insulation board 4 is convex
On platform 41, it may then pass through the mode of laser welding and connect the first half frames 11 and the second half frames 12 with grafting boss 41
Come；Meanwhile in the welding process, the insulation board 4 with grafting boss 41 can also protect battery pack 2, to prevent laser from passing through
The first half frames 11 or the second half weld seams between frame 12 and grafting boss 41 expose in battery pack 2, damage battery pack 2.
Optionally, insulation board 4 can also be interconnected with end plate 3.Specifically, include metal material in insulation board 4
In the case of, it can also be connected by welding between end plate 3 and insulation board 4.For example, insulation board 4 can be first with end plate 3
It connects together, between insulation board 4 is then inserted into multiple battery packs 2 again, end plate 3 and peripheral frame 1 is finally connected to one again
It rises；Specifically preferred embodiment is connected in a manner of grafting between insulation board 4 and end plate 3 to one kind, specifically, can held
Spliced eye 32 is opened up on plate 3, then insulation board 4 is made to penetrate in spliced eye 32, certainly, in order to ensure between insulation board 4 and end plate 3
The two can also be fixedly attached together by connective stability, the two by welding again after forming grafting relationship.
In order to prevent during being attached using laser welding, laser will not from spliced eye 32 and insulation board 4 it
Between gap at leak out, and damage battery pack 2, it is preferable that the spliced eye 32 on end plate 3 can be blind hole, at the same time, end plate
It is also provided with welding Blind locating holes 33 on 3, on the thickness direction of end plate 3, welds Blind locating holes 33 and 32 phase of spliced eye
It is right, that is to say, that a part for end plate 3 is separated between both of the aforesaid blind hole, it during the welding process, can be to weld positioning
On the basis of blind hole 33, the part-structure of the end plate 3 between making laser penetration be spaced in two blind holes, and the part-structure is melted
Change, is allowed in the gap being filled between the spliced eye 32 of end plate 3 and insulation board 4, to realize between end plate 3 and insulation board 4
The purpose being fixedly connected, and make laser hardly because of the gap across spliced eye 32 and insulation board 4, and damage battery
Group 2.Wherein, the thickness of the part-structure for the end plate 3 being spaced between spliced eye 32 and welding Blind locating holes 33, can be according to reality
Situation determines.
Further, as shown in Figure 5 and Figure 6, end plate 3 may include strengthening portion 34 and sealing 35, and sealing 35 can be with
The overhanging outer edge for being connected to strengthening portion 34；Sealing 35 includes ontology 351 and solder-bump 352, and solder-bump 352 can lead to
It crosses ontology 351 to connect with strengthening portion 34, in order to reduce the welding difficulty between end plate 3 and peripheral frame 1, it is preferable that such as Figure 12 and figure
Shown in 13, along the thickness direction of end plate 3, solder-bump 352 can be connected to the outside of ontology 351, and ontology 351 is convex by welding
352 are played to be tightly connected with peripheral frame 1.Specifically, compare for sealing 35 can be with bigger for the thickness of strengthening portion 34, and the two can be with
It is formed by metal material, for the ease of processing, strengthening portion 34 and sealing 35 can be formed by integrally formed mode；Equally
, ontology 351 and solder-bump 352 in sealing 35 can also be formed by integrally formed mode, solder-bump 352
Specific size can be determined according to actual conditions；When being welded to connect end plate 3 with peripheral frame 1, it is convex that the welding of laser directive can be controlled
Play 352, at least part of solder-bump 352 melted, and make the metal after fusing be filled in ontology 351 and peripheral frame 1 it
Between gap in；Pass through in sealing 35 be arranged solder-bump 352 so that in the welding process, without melt ontology 351 or
A part for peripheral frame 1, you can realize connection between the two, to keep the structure of both almost without damage, meanwhile, make
Laser is irradiated to solder-bump 352, is also prevented from gap of the laser across ontology 351 and peripheral frame 1, and damages battery pack
2。
In order to further decrease the weight of battery modules, lightening hole 36 can be provided on end plate 3, can according to reality by
Power situation and structural strength demand determine the size of lightening hole 36 and the quantity of set lightening hole 36.
Based on the battery modules that any of the above-described embodiment is provided, the application also provides a kind of battery pack, in the battery pack
The battery modules provided including at least one set of any of the above-described embodiment.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of battery modules, which is characterized in that including：
There is battery pack accommodating cavity and at least one opening, the opening to connect with the battery pack accommodating cavity for peripheral frame, the peripheral frame
It is logical；
Multiple battery packs, the battery pack include output stage and multiple single batteries, and multiple single batteries are in a row arranged, and
It is connect with the output stage, multiple battery packs are mounted in the battery pack accommodating cavity；
End plate, the end plate have electrode via, and the end plate is connect with the peripheral frame, to block the opening；
Insulation board is both provided with the insulation board between the battery pack of arbitrary neighborhood.
2. battery modules according to claim 1, which is characterized in that the peripheral frame includes the first half frames and the second half frames,
The first half frame and the second half frame are oppositely arranged along first direction, and the first half frame and the second half frame are and institute
State end plate connection.
3. battery modules according to claim 2, which is characterized in that there are two the battery pack settings, the insulation board
It is all connected with the first half frame and the second half frame.
4. battery modules according to claim 3, which is characterized in that the insulation board is close to the both ends of the first half frame
In, at least one end is provided with grafting boss, and the first half frame and the second half frame coordinate with grafting boss overlap joint.
5. battery modules according to claim 2, which is characterized in that the insulation board and the end plate connection, and the two
Coordinate in the thickness direction upper limit of the insulation board.
6. battery modules according to claim 5, there is the end plate spliced eye, the insulation board to pass through the spliced eye
With the end plate grafting.
7. battery modules according to claim 6, which is characterized in that the spliced eye is blind hole, is also set on the end plate
Welding Blind locating holes are equipped with, along the thickness direction of the end plate, the spliced eye is opposite with the welding Blind locating holes.
8. battery modules according to claim 1, which is characterized in that the end plate includes strengthening portion and sealing, described
The overhanging outer edge for being connected to the strengthening portion of sealing；
The sealing includes ontology and solder-bump, and the solder-bump is connect by the ontology with the strengthening portion, edge
The thickness direction of the end plate, the solder-bump are connected to the outside of the ontology, and the ontology passes through the solder-bump
It is tightly connected with the peripheral frame.
9. battery modules according to claim 1, which is characterized in that be provided with lightening hole on the end plate.
10. a kind of battery pack, which is characterized in that including the battery modules described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820345728.1U CN207896164U (en) | 2018-03-14 | 2018-03-14 | Battery modules and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820345728.1U CN207896164U (en) | 2018-03-14 | 2018-03-14 | Battery modules and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207896164U true CN207896164U (en) | 2018-09-21 |
Family
ID=63541358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820345728.1U Active CN207896164U (en) | 2018-03-14 | 2018-03-14 | Battery modules and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207896164U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843496A (en) * | 2019-11-26 | 2020-02-28 | 国唐汽车有限公司 | Battery box mounting structure of electric bus |
| CN111129654A (en) * | 2020-01-19 | 2020-05-08 | 王佳先 | Assembled battery module |
| WO2020140641A1 (en) * | 2018-12-30 | 2020-07-09 | 宁德时代新能源科技股份有限公司 | Battery pack and vehicle |
| WO2020177738A1 (en) * | 2019-03-07 | 2020-09-10 | 宁德时代新能源科技股份有限公司 | Battery module and battery pack |
| WO2022011513A1 (en) * | 2020-07-13 | 2022-01-20 | 威睿电动汽车技术(宁波)有限公司 | Battery module and vehicle |
| CN114639909A (en) * | 2022-03-29 | 2022-06-17 | 远景动力技术(江苏)有限公司 | Battery pack shell and manufacturing method thereof |
| EP3712980B1 (en) * | 2019-03-19 | 2023-06-14 | Contemporary Amperex Technology Co., Limited | Battery module and battery pack |
-
2018
- 2018-03-14 CN CN201820345728.1U patent/CN207896164U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11133554B2 (en) * | 2018-12-30 | 2021-09-28 | Contemporary Amperex Technology Co., Limited | Battery pack and vehicle |
| EP3675215B1 (en) * | 2018-12-30 | 2022-11-23 | Contemporary Amperex Technology Co., Limited | Battery pack and vehicle |
| WO2020140641A1 (en) * | 2018-12-30 | 2020-07-09 | 宁德时代新能源科技股份有限公司 | Battery pack and vehicle |
| WO2020177738A1 (en) * | 2019-03-07 | 2020-09-10 | 宁德时代新能源科技股份有限公司 | Battery module and battery pack |
| JP2022522628A (en) * | 2019-03-07 | 2022-04-20 | 寧徳時代新能源科技股▲分▼有限公司 | Battery module and battery pack |
| JP7322159B2 (en) | 2019-03-07 | 2023-08-07 | 寧徳時代新能源科技股▲分▼有限公司 | Battery module manufacturing method and battery pack manufacturing method |
| EP3712980B1 (en) * | 2019-03-19 | 2023-06-14 | Contemporary Amperex Technology Co., Limited | Battery module and battery pack |
| CN110843496B (en) * | 2019-11-26 | 2021-07-23 | 国唐汽车有限公司 | Battery box mounting structure of electric bus |
| CN110843496A (en) * | 2019-11-26 | 2020-02-28 | 国唐汽车有限公司 | Battery box mounting structure of electric bus |
| CN111129654A (en) * | 2020-01-19 | 2020-05-08 | 王佳先 | Assembled battery module |
| WO2022011513A1 (en) * | 2020-07-13 | 2022-01-20 | 威睿电动汽车技术(宁波)有限公司 | Battery module and vehicle |
| CN114639909A (en) * | 2022-03-29 | 2022-06-17 | 远景动力技术(江苏)有限公司 | Battery pack shell and manufacturing method thereof |
| CN114639909B (en) * | 2022-03-29 | 2024-04-19 | 远景动力技术(江苏)有限公司 | Shell of battery pack and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207896164U (en) | Battery modules and battery pack | |
| CN105247729B (en) | Battery module assembly with coolant flow passage | |
| JP5899744B2 (en) | Stationary power system and method for manufacturing stationary power device | |
| JP2006269411A (en) | Secondary battery | |
| CN107534107A (en) | Battery pack and its manufacture method | |
| US20130071708A1 (en) | Battery | |
| CN104167515B (en) | Cover board and battery | |
| CN108428820A (en) | Power battery top cover structure and power battery | |
| CN108232095A (en) | The assembly method of the whole beam welding method of lug and lithium ion battery | |
| US20120270096A1 (en) | High-power and large-capacity lithium battery of electric bus | |
| CN103219524B (en) | A kind of laminated lithium ion battery plus plate current-collecting body paillon foil, anode pole piece and battery | |
| CN213184515U (en) | Explosion-proof lithium battery power supply device | |
| CN206758568U (en) | A kind of battery modules | |
| JP7083853B2 (en) | Battery module and battery pack containing it | |
| TWI458156B (en) | Lithium ion battery and preparation method thereof | |
| CN216750078U (en) | Battery cell shell, battery and battery module | |
| CN207587928U (en) | A kind of shockproof polymer Li-ion battery | |
| CN105552383B (en) | It is conductively connected component in battery pack | |
| CN209016172U (en) | A kind of lithium ion battery and battery pack | |
| CN214147494U (en) | Multi-energy power supply magnesium air fuel battery lamp | |
| CN207558875U (en) | Battery modules and automobile | |
| CN207517742U (en) | A kind of lithium ion battery cover | |
| CN205863244U (en) | A kind of low-voltage injection-molding battery structure | |
| CN207398208U (en) | Battery connecting seat and its Vehicular battery module | |
| CN202142584U (en) | Housing for flexible packaging lithium ion battery combination |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |