CN108832053B - Battery module - Google Patents
Battery module Download PDFInfo
- Publication number
- CN108832053B CN108832053B CN201810828199.5A CN201810828199A CN108832053B CN 108832053 B CN108832053 B CN 108832053B CN 201810828199 A CN201810828199 A CN 201810828199A CN 108832053 B CN108832053 B CN 108832053B
- Authority
- CN
- China
- Prior art keywords
- battery cell
- battery module
- battery
- cell group
- substrate
- 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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- 238000005452 bending Methods 0.000 claims abstract description 23
- 239000000853 adhesive Substances 0.000 claims abstract description 15
- 230000001070 adhesive effect Effects 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 239000003973 paint Substances 0.000 claims abstract description 5
- 238000002955 isolation Methods 0.000 claims description 13
- 238000009413 insulation Methods 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- 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
The invention belongs to the technical field of batteries, and particularly relates to a battery module, which comprises end plates and electric cores, wherein a plurality of electric cores are sequentially arranged to form an electric core group, and the two end plates are respectively arranged at two ends of the electric core group, and the battery module is characterized in that: the battery cell module comprises a battery cell group, and is characterized by further comprising side plates, wherein the two side plates are respectively arranged on two sides of the battery cell group, the side plates and an end plate are matched to form a surrounding frame structure for fixing the battery cell group, the side plates comprise a substrate and a bending part, insulating paint is sprayed on the inner surface of the substrate or an insulating film is adhered on the inner surface of the substrate, the connection mode between the substrate and the battery cell group is structural adhesive, heat-conducting adhesive or double-sided adhesive, the bending part is arranged at the side end of the substrate, and the bending part is matched and connected with the end plate. The battery module is smaller in size and weight, provides an expansion space for the battery cell, improves the insulation performance between the end plate and the battery cell, and is longer in service life and lower in cost.
Description
Technical Field
The invention belongs to the technical field of batteries, and particularly relates to a battery module.
Background
The battery module generally includes a frame and a plurality of batteries, which are surrounded by the frame and fixed to form the battery module. Usually, the module forms a surrounding frame structure through welding the side plates (2) of the end plates (1) to enclose the battery cells (3).
In the prior art, a side plate (2) of a battery module as designed in patent document 1 (CN 201721115196.4) is provided with a glue blocking boss, and in practical application, the size of the whole battery module is increased due to the arrangement of the glue blocking boss, and the occupied space during working is correspondingly increased, so that a plurality of small-size devices are inconvenient to apply the battery module; meanwhile, the battery module side plate (2) designed in patent document 1 (CN 201721115196.4) is oversized, and covers both the top and bottom of the battery cell (3), which is easy to cause a short circuit, and does not conform to the resource saving principle, thus increasing the weight of the battery module in an intangible way. The partition board designed in patent document 2 (CN 201621122034) is fixed in the frame, this design increases the processing difficulty of the frame, meanwhile, patent document 1 (CN 201721115196.4) and patent document 2 (CN 201621122034) do not consider that the expansion of the battery cell (3) brings influence to the module when designing, and during operation, along with the expansion of the battery cell (3), the partition board can generate relative displacement with the frame due to the expansion thrust of the battery cell (3), and the end face of the battery cell (3) also needs expansion space.
Therefore, the prior art has defects, lacks market competitiveness, and needs to be perfected in the related art.
Disclosure of Invention
The invention aims at: aiming at the defects of the prior art, the battery module is provided to reduce the volume and the weight of the battery module, and simultaneously provide an expansion space for the battery core, so that the short circuit of the battery module is avoided, the cost is reduced, and the service life is prolonged.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a battery module, includes end plate and electric core, a plurality of electric core arrange in proper order and constitute electric core group, two the end plate set up respectively in the both ends of electric core group, the blotter set up in arbitrary two between the electric core, still include the curb plate, two the curb plate set up respectively in the both sides of electric core group, the curb plate with the end plate cooperation forms fixedly the frame structure that encloses of electric core group, the curb plate includes base plate and flexion, the internal surface spraying of base plate has insulating paint or pastes the insulating film, the base plate with the connected mode between the electric core group is structural adhesive, heat conduction adhesive or double faced adhesive tape, the flexion set up in the side of base plate, the flexion with the end plate cooperation is connected. The internal surface spraying of base plate has insulating varnish, can prevent that battery module from taking place the short circuit, the base plate with the connected mode between the electric core group is structural adhesive, heat conduction glue or double faced adhesive tape for curb plate and electric core group closely laminate, thereby reduced whole battery module's volume, the quantity is few, can reduce whole battery module's weight in contrast.
As an improvement of the battery module, the top of the base plate is provided with a clamping groove. The setting of draw-in groove can reduce the materials of curb plate on the one hand to alleviate the weight of curb plate, on the other hand can provide fixed knot constructs for pencil division board.
As an improvement of the battery module according to the present invention, the cross-sectional shape of the clamping groove is at least one of an arc shape and a polygonal shape. The cross-sectional shape of the clamping groove can be set to be various, and the clamping groove can be flexibly set according to specific situations.
As an improvement of the battery module according to the present invention, the number of the clamping grooves is at least 2. The number of the clamping grooves can be flexibly set according to actual conditions.
As an improvement of the battery module, the side plate further comprises a bending part, wherein the bending part is arranged at the bottom of the base plate, and the bending part is matched with the bottom of the battery cell group. The bending part can play a role in fixing the battery cell.
As an improvement of the battery module, the inner side end surface of the end plate is provided with a buffer groove. When the battery cell expands, the volume of the battery cell group can be increased, the end plate can be extruded at the moment, and the buffer groove is arranged to provide expansion space for the battery cell.
As an improvement of the battery module according to the present invention, the buffer groove has at least one of an arc shape and a polygonal shape in cross-sectional shape. In addition, the cross-sectional shape of the buffer groove may be other shapes, and may be flexibly set according to circumstances.
As an improvement of the battery module, an insulating sheet is arranged between the end plate and the cell group, and the insulating sheet is provided with a buffer protrusion matched with the buffer groove. When the battery cells expand, the volume of the battery cell group can be increased, the end plates can be extruded at the moment, and the buffer bulges on the insulating sheets provide expansion space for the battery cells.
The battery module further comprises a buffer cushion, a wire harness isolation plate and an upper cover, wherein the buffer cushion is arranged inside the battery cell group, the wire harness isolation plate is arranged at the top of the battery cell group, the wire harness isolation plate is provided with a clamping protrusion matched with the clamping groove, and the upper cover is covered on the wire harness isolation plate. The design ensures that the structure of the battery module is more complete and the function is more perfect.
As an improvement of the battery module according to the present invention, the cross-sectional shape of the cushion pad is at least one of a semicircle, a circle, an ellipse, a fan and a polygon. In addition, the cushion pad can also be of an external hollow structure and can be flexibly arranged according to specific situations.
Compared with the prior art, the battery module in the application is smaller in volume and weight, simultaneously provides expansion space for the battery cell, improves the insulation performance between the end plate and the battery cell, and is longer in service life and lower in cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of embodiment 1 of the present invention;
FIG. 2 is a second schematic structural diagram of embodiment 1 of the present invention;
FIG. 3 is a third schematic structural view of embodiment 1 of the present invention;
FIG. 4 is a schematic view showing the structure of an end plate in embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a side plate in embodiment 1 of the present invention;
FIG. 6 is a schematic view showing the structure of a cushion pad according to embodiment 1 of the present invention;
FIG. 7 is a schematic structural view of embodiment 2 of the present invention;
FIG. 8 is a schematic structural view of embodiment 3 of the present invention;
FIG. 9 is a schematic view showing the structure of embodiment 4 of the present invention;
wherein: 1-end plates; 2-side plates; 21-a substrate; 22-bends; 23-clamping grooves; 24-bending parts; 3-an electric core; 4-cushion pad; 5-cell groups; 6-a buffer groove; 7-insulating sheets; 8-a wire harness isolation board; 9-upper cover.
Detailed Description
Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The present invention will be described in further detail below with reference to the drawings, but is not limited thereto.
Example 1
As shown in fig. 1-6, a battery module comprises an end plate 1 and a battery cell 3, wherein a plurality of battery cells 3 are sequentially arranged to form a battery cell group 5, the two end plates 1 are respectively arranged at two ends of the battery cell group 5, the battery module further comprises side plates 2, the two side plates 2 are respectively arranged at two sides of the battery cell group 5, the side plates 2 and the end plates 1 are matched to form a surrounding frame structure for fixing the battery cell group 5, the side plates 2 comprise a base plate 21 and a bending part 22, insulating paint is sprayed or adhered on the inner surface of the base plate 21, the connection mode between the base plate 21 and the battery cell group 5 is structural adhesive, heat-conducting adhesive or double-sided adhesive, the bending part 22 is arranged at the side end of the base plate 21, and the bending part 22 is matched and connected with the end plate 1. The inner surface of the base plate 21 is sprayed with insulating paint, so that short circuit of the battery module can be prevented, and the connection mode between the base plate 21 and the battery cell group 5 is structural adhesive, heat-conducting adhesive or double-sided adhesive, so that the side plate 2 and the battery cell group 5 are tightly attached, the volume of the whole battery module is reduced, the consumption is low, and the weight of the whole battery module can be reduced in comparison.
Preferably, the inner end surface of the end plate 1 is provided with a buffer groove 6. When the battery cell 3 expands, the volume of the battery cell group 5 can be increased, the end plate 1 can be extruded at the moment, and the buffer groove 6 provides expansion space for the battery cell 3.
Preferably, the cross-sectional shape of the buffer groove 6 is at least one of an arc shape and a polygon shape. In addition to this, the cross-sectional shape of the buffer groove 6 may be other shapes, and may be flexibly set according to circumstances.
Preferably, an insulating sheet 7 is arranged between the end plate 1 and the cell group 5, and the insulating sheet 7 is provided with a buffer protrusion matched with the buffer groove 6. When the battery cell 3 expands, the volume of the battery cell group 5 can be increased, the end plate 1 can be extruded at the moment, and the buffer bulge on the insulating sheet 7 provides expansion space for the battery cell 3.
The invention further comprises a buffer cushion 4, a wire harness isolation plate 8 and an upper cover 9, wherein the buffer cushion 4 is arranged inside the battery cell group 5, the wire harness isolation plate 8 is arranged at the top of the battery cell group 5, and the upper cover 9 covers the wire harness isolation plate 8. The design ensures that the structure of the battery module is more complete and the function is more perfect.
Preferably, the cross-sectional shape of the cushion pad 4 is at least one of a semicircle, a circle, an ellipse, a fan and a polygon. In addition, the cushion pad 4 may have an external hollow structure, and may be flexibly arranged according to circumstances.
The working principle of the invention is as follows: when the battery module works, the battery cell 3 expands, the buffer cushion 4 deforms, an expansion space is provided for the battery cell 3, and meanwhile, the buffer groove 6 also provides an expansion space for the expansion of the battery cell 3; the insulating sheet 7 and the substrate 21 effectively prevent occurrence of short circuit.
Example 2
As shown in fig. 7, unlike embodiment 1, there is: the top of the base plate 21 in this embodiment is provided with a clamping groove 23. The provision of the clamping groove 23 can reduce the material consumption of the side plate on the one hand, thereby reducing the weight of the side plate, and can provide a fixing structure for the harness isolation plate 8 on the other hand.
The cross-sectional shape of the card slot 23 is at least one of arc-shaped and polygonal. The cross-sectional shape of the card slot 23 may be variously set, and may be flexibly set according to circumstances.
The number of the card slots 23 is at least 2. The number of the card slots 23 can be flexibly set according to the actual situation.
Other structures are the same as those of embodiment 1, and will not be described here again.
Example 3
As shown in fig. 8, unlike embodiment 1, there is: in this embodiment, the side plate 2 further includes a bending portion 24, the bending portion 24 is disposed at the bottom of the base plate 21, and the bending portion 24 is matched with the bottom of the battery cell group 5. The bent portion 24 may function to fix the battery cell 3.
Other structures are the same as those of embodiment 1, and will not be described here again.
Example 4
As shown in fig. 9, unlike example 2, there is: in this embodiment, the side plate 2 further includes a bending portion 24, the bending portion 24 is disposed at the bottom of the base plate 21, and the bending portion 24 is matched with the bottom of the battery cell group 5. The bent portion 24 may function to fix the battery cell 3.
Other structures are the same as those of embodiment 2, and will not be described here again.
While the foregoing description illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (8)
1. The utility model provides a battery module, includes end plate (1), electric core (3) and buffer pad (4), a plurality of electric core (3) are arranged in proper order and are constituteed electric core group (5), buffer pad (4) set up in electric core group (5) are inside, two end plate (1) set up respectively in the both ends of electric core group (5), its characterized in that: the battery cell module comprises a battery cell group (5) and is characterized by further comprising side plates (2), wherein the two side plates (2) are respectively arranged on two sides of the battery cell group (5), the side plates (2) are matched with the end plates (1) to form a surrounding frame structure for fixing the battery cell group (5), the side plates (2) comprise a substrate (21) and a bending part (22), insulating paint is sprayed on the inner surface of the substrate (21) or an insulating film is adhered on the inner surface of the substrate, the connection mode between the substrate (21) and the battery cell group (5) is structural adhesive, heat-conducting adhesive or double-sided adhesive, the bending part (22) is arranged at the side end of the substrate (21), and the bending part (22) is matched and connected with the end plates (1). The battery pack is characterized in that a buffer groove (6) is formed in the inner side end face of the end plate (1), an insulating sheet (7) is arranged between the end plate (1) and the battery cell group (5), and the insulating sheet (7) is provided with buffer protrusions matched with the buffer groove (6).
2. The battery module according to claim 1, wherein: a clamping groove (23) is formed in the top of the base plate (21).
3. The battery module according to claim 2, wherein: the cross section of the clamping groove (23) is at least one of arc-shaped and polygonal.
4. The battery module according to claim 2, wherein: the number of the clamping grooves (23) is at least 2.
5. The battery module according to claim 1, wherein: the side plate (2) further comprises a bending part (24), the bending part (24) is arranged at the bottom of the base plate (21), and the bending part (24) is matched with the bottom of the battery cell group (5).
6. The battery module according to claim 1, wherein: the cross section of the buffer groove (6) is at least one of arc and polygon.
7. The battery module according to claim 2, wherein: the battery pack also comprises a wire harness isolation plate (8) and an upper cover (9), wherein the wire harness isolation plate (8) is arranged at the top of the battery pack (5), the wire harness isolation plate (8) is provided with a clamping protrusion matched with the clamping groove (23), and the upper cover (9) is covered on the wire harness isolation plate (8).
8. The battery module of claim 7, wherein: the cross-section of the cushion pad (4) is at least one of semicircular, circular, elliptic, fan-shaped and polygonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828199.5A CN108832053B (en) | 2018-07-25 | 2018-07-25 | Battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828199.5A CN108832053B (en) | 2018-07-25 | 2018-07-25 | Battery module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108832053A CN108832053A (en) | 2018-11-16 |
| CN108832053B true CN108832053B (en) | 2024-03-19 |
Family
ID=64140412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810828199.5A Active CN108832053B (en) | 2018-07-25 | 2018-07-25 | Battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108832053B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037527B (en) * | 2018-07-25 | 2024-03-19 | 江苏正力新能电池技术有限公司 | Battery module |
| CN111384314B (en) * | 2018-12-29 | 2021-01-19 | 宁德时代新能源科技股份有限公司 | Battery box |
| CN109962195A (en) * | 2019-04-09 | 2019-07-02 | 北京新能源汽车股份有限公司 | Battery modules, power battery and vehicle |
| CN112585807A (en) * | 2019-10-18 | 2021-03-30 | 淄博火炬能源有限责任公司 | Lithium ion battery module and power box for electric forklift |
| CN111106285A (en) * | 2019-12-24 | 2020-05-05 | 佛山市南霏精密铝配件制造有限公司 | Battery end plate |
| KR20210112919A (en) * | 2020-03-06 | 2021-09-15 | 주식회사 엘지에너지솔루션 | Battery module and manufacturing method thereof |
| CN113140824B (en) * | 2021-03-30 | 2022-10-14 | 广州小鹏汽车科技有限公司 | Battery module, battery system and vehicle |
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| CN203631621U (en) * | 2013-12-05 | 2014-06-04 | 宁德时代新能源科技有限公司 | Battery module |
| CN206541873U (en) * | 2017-03-21 | 2017-10-03 | 宁德时代新能源科技股份有限公司 | Battery modules |
| CN206584968U (en) * | 2017-03-28 | 2017-10-24 | 长城汽车股份有限公司 | Cell end plate, battery modules and vehicle |
| CN207517759U (en) * | 2017-11-21 | 2018-06-19 | 中航锂电（洛阳）有限公司 | A kind of battery modules and its frame connecting structure |
| CN208862048U (en) * | 2018-07-25 | 2019-05-14 | 东莞塔菲尔新能源科技有限公司 | A kind of battery modules |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101794265B1 (en) * | 2013-07-18 | 2017-11-07 | 삼성에스디아이 주식회사 | Battery pack having reinforcement bead |
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2018
- 2018-07-25 CN CN201810828199.5A patent/CN108832053B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203631621U (en) * | 2013-12-05 | 2014-06-04 | 宁德时代新能源科技有限公司 | Battery module |
| CN206541873U (en) * | 2017-03-21 | 2017-10-03 | 宁德时代新能源科技股份有限公司 | Battery modules |
| CN206584968U (en) * | 2017-03-28 | 2017-10-24 | 长城汽车股份有限公司 | Cell end plate, battery modules and vehicle |
| CN207517759U (en) * | 2017-11-21 | 2018-06-19 | 中航锂电（洛阳）有限公司 | A kind of battery modules and its frame connecting structure |
| CN208862048U (en) * | 2018-07-25 | 2019-05-14 | 东莞塔菲尔新能源科技有限公司 | A kind of battery modules |
Also Published As
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| CN108832053A (en) | 2018-11-16 |
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Effective date of registration: 20220120 Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Applicant after: Jiangsu Zhengli new energy battery technology Co.,Ltd. Address before: 523000 Dalang Town, Dongguan, Guangdong province Xiangshan Pine Hill Village Xiangshan Industrial Park Jiayuan Road No. 9 Applicant before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Applicant before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Applicant before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
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