CN107123770B - Laminate polymer battery module and vehicle - Google Patents
Laminate polymer battery module and vehicle Download PDFInfo
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- CN107123770B CN107123770B CN201710313839.4A CN201710313839A CN107123770B CN 107123770 B CN107123770 B CN 107123770B CN 201710313839 A CN201710313839 A CN 201710313839A CN 107123770 B CN107123770 B CN 107123770B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
- H01M10/6555—Rods or plates arranged between the cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a soft package battery module and a vehicle, wherein the soft package battery module comprises: the battery pack comprises a first unit and a second unit, wherein the first unit comprises a first battery cell and a first connecting bar, and the first connecting bar is electrically connected with the first battery cell; the second unit comprises a heat dissipation plate, a second battery cell and a second connection row, and the second battery cell is connected with one side surface of the heat dissipation plate; a third unit including a third connection row; the second unit is clamped between the first unit and the third unit, the first battery cell abuts against the other side face of the heat dissipation plate, the adjacent first battery cell, the second battery cell or the two adjacent second battery cells are electrically connected through the second connecting bar, the third connecting bar is electrically connected with the adjacent second battery cell, and the first connecting bar and the third connecting bar are suitable for being connected with an external circuit. According to the soft package battery module, by arranging each unit in the structural form, flexible setting of electric capacity can be realized, and automatic production of the soft package battery module can be realized.
Description
Technical Field
The invention belongs to the technical field of vehicle manufacturing, and particularly relates to a soft package battery module and a vehicle with the same.
Background
The soft-packaged battery module is higher in safety level than the hard-packaged battery module and is not prone to explosion. In the process of implementing the invention, the inventor finds that due to insufficient rigidity of the soft-pack type battery cell, the fixation of a plurality of battery cells and the series-parallel connection of the plurality of battery cells are difficult to realize, so that the standardized automatic production is inconvenient, and in the related technology in the field of electric automobiles, hard-pack battery modules are basically adopted.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a soft package battery module which is low in production difficulty.
According to the embodiment of the invention, the soft package battery module comprises: a first unit comprising a first cell and a first connection bar, the first connection bar being electrically connected to the first cell; the second unit comprises a heat dissipation plate, a second battery cell and a second connection row, and the second battery cell is connected with one side surface of the heat dissipation plate; a third unit including a third connection row; the second unit is clamped between the first unit and the third unit, the first battery cell abuts against the other side face of the heat dissipation plate, the adjacent first battery cell, the adjacent second battery cell or the adjacent two second battery cells are electrically connected through the second connection bar, the third connection bar is electrically connected with the adjacent second battery cell, and the first connection bar and the third connection bar are suitable for being connected with an external circuit.
According to the soft package battery module, by arranging each unit in the structural form, flexible setting of electric capacity can be achieved, and automatic production of the soft package battery module can be achieved.
According to the soft package battery module, the number of the second units is multiple, the second units are stacked, so that the outermost one of the heat dissipation plates is clamped by one of the first battery cells and one of the second battery cells, and the rest of the heat dissipation plates are clamped by two of the second battery cells.
According to the soft package battery module, the first battery cell and the second battery cell are of the same type and are both in a soft package type.
According to the soft package battery module provided by one embodiment of the invention, the first unit, the second unit and the third unit are sequentially overlapped along the vertical direction, the first unit further comprises a first frame, and the first frame is sleeved outside the upper half part of the first battery cell; the second unit further comprises a second frame and a third frame, the heat dissipation plate is clamped between the second frame and the third frame, the second frame is sleeved outside the lower half part of the first battery cell and the lower half part of the second battery cell adjacent to the first battery cell, and the third frame is sleeved outside the upper half part of the second battery cell; the third unit comprises a fourth frame, and the fourth frame is sleeved outside the lower half part of the second battery cell electrically connected with the third connecting row.
Preferably, the first connecting row is mounted on the first frame, the second connecting row is mounted on the third frame, and the third connecting row is mounted on the fourth frame.
Further, laminate polymer battery module still include: the collecting plate is arranged outside at least one of the first frame, the second frame, the third frame and the fourth frame and is electrically connected with the first connecting bar, the second connecting bar and the third connecting bar which are positioned on the same side.
Preferably, the thicknesses of the second frame and the third frame are the same and are both half of the thickness of the second battery cell.
Further, the thicknesses of the first frame, the second frame, the third frame and the fourth frame are the same, and the sizes of the first battery cell and the second battery cell are the same.
Preferably, the first frame, the second frame, the third frame and the fourth frame are connected by a threaded fastener.
The invention also provides a vehicle which is provided with the soft package battery module.
Compared with the prior art, the vehicle and the soft package battery module have the same advantages, and the detailed description is omitted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a pouch battery module according to an embodiment of the present invention;
fig. 2 is an exploded view of a pouch battery module according to an embodiment of the present invention;
FIG. 3 is an exploded view of a first unit according to an embodiment of the present invention;
FIG. 4 is an exploded view of a second cell according to an embodiment of the present invention;
fig. 5 is an exploded view of a third unit according to an embodiment of the present invention.
Reference numerals:
the pouch-shaped battery module 100 is,
a first unit 10, a first cell 11, a first connection bar 12, a first frame 13,
a second unit 20, a heat dissipation plate 21, a second cell 22, a second connection bar 23, a second frame 24, a third frame 25,
a third unit 30, a third connecting row 31, a fourth frame 32,
the plate 40 is collected.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A pouch battery module 100 according to an embodiment of the present invention will be described with reference to fig. 1 to 5.
As shown in fig. 1 to 5, a pouch battery module 100 according to one embodiment of the present invention includes: a first cell 10, a second cell 20 and a third cell 30.
As shown in fig. 3, the first unit 10 includes a first battery cell 11 and a first connection bar 12, the first connection bar 12 is electrically connected to the first battery cell 11, the first connection bar 12 is adapted to be connected to an external circuit, for example, a nut may be riveted on the first connection bar 12, the nut is used for being connected to a terminal of the external circuit, and the first battery cell 11 is in a soft package type.
As shown in fig. 1-2, there is at least one second unit 20, the second unit 20 is sandwiched between the first unit 10 and the third unit 30, the first unit 10, the second unit 20, and the third unit 30 are sequentially stacked, when there are a plurality of second units 20, the plurality of second units 20 are sequentially stacked and sandwiched between the first unit 10 and the third unit 30, the number of the second units 20 may be set according to the actual capacity requirement of the pouch battery module 100, and the second battery cell 22 is in a pouch type.
The second unit 20 includes a heat dissipation plate 21, a second battery cell 22, and a second connection row 23, where the second battery cell 22 is connected to one side of the heat dissipation plate 21, for example, the second battery cell 22 may be connected to the heat dissipation plate 21 by means of a thermal conductive adhesive, the first battery cell 11 abuts against the other side of the heat dissipation plate 21, the heat dissipation plate 21 is configured to dissipate heat to an adjacent battery cell (the first battery cell 11 or the second battery cell 22), and the heat dissipation plate 21 may be an aluminum plate.
The adjacent first battery cell 11 and the second battery cell 22 are electrically connected through the second connection row 23, for example, the first unit 10 and the adjacent second unit 20 can be electrically connected through the second connection row 23 of the second unit 20, the adjacent two second battery cells 22 are electrically connected through the second connection row 23, the third unit 30 includes a third connection row 31, the third connection row 31 is electrically connected with the adjacent second battery cell 22, so that series connection or parallel connection between the first battery cell 11 and at least one second battery cell 22 can be conveniently achieved, the first connection row 12 and the third connection row 31 are suitable for being connected with an external circuit, and the first connection row 12 and the third connection row 31 are positive and negative output ends of the soft-package battery module 100.
It can be understood that, since the second battery cell 22 is fixed by the heat dissipation plate 21 in advance, the second unit 20 is made sufficiently rigid to facilitate automated production.
According to the soft-package battery module 100 provided by the embodiment of the invention, by arranging each unit in the structural form, the flexible setting of the electric capacity can be realized, and the automatic production of the soft-package battery module 100 can be realized.
According to the pouch battery module 100 of one preferred embodiment of the present invention, as shown in fig. 1 and 2, the second unit 20 may be a plurality of units, and a plurality of second units 20 are stacked such that one heat dissipation plate 21 at the outermost side is sandwiched between one first battery cell 11 and one second battery cell 22, and the rest of the heat dissipation plates 21 are sandwiched between two second battery cells 22.
It can be understood that, every heating panel 21 all is by two electric core centre grippings, and every heating panel 21 is two electric core heat dissipations promptly, and only medial surface and the laminating of heating panel 21 of a second electric core 22 of keeping away from first electric core 11 in first electric core 11 and a plurality of second electric core 22, the one side can open the setting in addition.
Specifically, the first cell 11 and the second cell 22 may be cells of the same type and both of them are in a soft package type. Like this, the material type that laminate polymer battery module 100 consumed in the forming process is still less, and the assembly is more convenient.
According to the pouch battery module 100 of a preferred embodiment of the present invention, as shown in fig. 3 to fig. 5, the first unit 10, the second unit 20, and the third unit 30 are sequentially stacked in an up-down direction, the first unit 10 further includes a first frame 13, and the first frame 13 is sleeved outside an upper half portion of the first battery cell 11; the second unit 20 further includes a second frame 24 and a third frame 25, the heat dissipation plate 21 is clamped between the second frame 24 and the third frame 25, the second frame 24 is sleeved on the lower half portion of the first cell 11 and the lower half portion of the second cell 22 adjacent to the first cell, and the third frame 25 is sleeved on the upper half portion of the second cell 22; the third unit 30 includes a fourth frame 32, and the fourth frame 32 is sleeved outside the lower half of the second cell 22 electrically connected to the third connection row 31.
The second frame 24 is sleeved outside the lower half of the first cell 11 and the upper half of the second cell 22 adjacent to the first cell, and the third frame 25 is sleeved outside the upper half of the second cell 22 and the upper half of the second cell 22 adjacent to the second cell.
For example, the third frame 25 and the heat dissipation plate 21 may be provided with positioning holes, and the second frame 24 may be provided with positioning bosses, which once penetrate through the positioning holes of the heat dissipation plate 21 and the third frame 25 to clamp the heat dissipation plate 21 between the second frame 24 and the third frame 25.
After the assembly is completed, the first cell 11 is sheathed with the first frame 13 and the second frame 24, the second frame 24 is sheathed outside the lower half part, and the second cell 22 is sheathed with the third frame 25 and one of the second frame 24 and the fourth frame 32.
That is to say, the second frame 24 and the third frame 25 are respectively located at two sides of the heat dissipation plate 21, the second frame 24 is sleeved outside the first cell 11 or the adjacent second cell 22, the second frame 24 of one second unit 20 of the second units 20, which is close to the first unit 10, is sleeved outside the first cell 11, the second frame 24 may be located below the first frame 13, and defines the shape of the first cell 11 together with the first frame 13, the remaining second frames 24 are sleeved outside the second cell 22, the third frame 25 is sleeved outside the corresponding second cell 22, for a certain specific second cell 22, the third frame 25 corresponding to the second cell 22 is sleeved outside the second cell 22, and the second frame 24 of the adjacent second unit 20 is sleeved outside the second cell 22.
The third frame 25 is sleeved outside the adjacent second battery cell 22, and it can be understood that the second battery cell 22 of one second unit 20 of the second units 20 close to the third unit 30 is defined by the third frame 25 and the fourth frame 32. It should be noted that the above-mentioned two components are both belonging to one second unit 20.
Preferably, as shown in fig. 3 to 5, the first frame 13, the second frame 24, the third frame 25, and the fourth frame 32 may be rectangular frames, and the first cell 11 and the second cell 22 may also be rectangular parallelepiped. The first frame 13, the second frame 24, the third frame 25, and the fourth frame 32 may be connected by threaded fasteners. For example, four corners of the first frame 13, the second frame 24, the third frame 25, and the fourth frame 32 may be respectively provided with mounting holes, and bolts sequentially penetrate through the mounting holes to fixedly connect the first frame 13, the second frame 24, the third frame 25, and the fourth frame 32, so that the pouch battery module 100 is integrally formed.
Preferably, the thicknesses of the second frame 24 and the third frame 25 are the same, and the thicknesses of the second frame 24 and the third frame 25 may be half of the thickness of the second cell 22. In this way, every two second battery cores 22 can be completely surrounded in the thickness direction, and the isolation effect is good. Specifically, the thicknesses of the first frame 13, the second frame 24, the third frame 25 and the fourth frame 32 are the same, the sizes of the first cell 11 and the second cell 22 are the same, and the thicknesses of the first frame 13, the second frame 24, the third frame 25 and the fourth frame 32 are half of the thickness of the first cell 11 or the second cell 22, so that the first cell 11 and the second cell 22 can be well encapsulated in the insulating casing formed by the first frame 13, the second frame 24, the third frame 25 and the fourth frame 32.
Preferably, the first connection bank 12 may be mounted on the first frame 13, the second connection bank 23 may be mounted on the third frame 25, and the third connection bank 31 may be mounted on the fourth frame 32. For example, the first connecting row 12 may be interference-fitted to the first frame 13 through pin holes, the second connecting row 23 may be interference-fitted to the third frame 25 through pin holes, and the third connecting row 31 may be interference-fitted to the fourth frame 32 through pin holes.
Further, as shown in fig. 1 and 2, the pouch battery module 100 may further include: the collecting plate 40 is installed outside at least one of the first frame 13, the second frame 24, the third frame 25 and the fourth frame 32, for example, the collecting plate 40 may be installed outside the first frame 13, the second frame 24, the third frame 25 and the fourth frame 32 by a threaded fastener, and the collecting plate 40 is electrically connected to the first connecting bar 12, the second connecting bar 23 and the third connecting bar 31 which are located on the same side, the number of the collecting plates 40 may be two, the two collecting plates 40 are installed on two electrode sides of the battery cell respectively, the first connecting bar 12, the second connecting bar 23 and the third connecting bar 31 may be connected to the collecting plate 40 by ultrasonic welding, and the electrode of the battery cell may be connected to the first connecting bar 12, the second connecting bar 23 or the third connecting bar 31 by laser welding.
The invention also discloses a vehicle.
As shown in fig. 1 to 5, a vehicle according to an embodiment of the present invention is provided with the pouch battery module 100 according to any one of the above embodiments, and the vehicle according to an embodiment of the present invention may be an electric vehicle.
According to the vehicle of the embodiment of the invention, the safety is better by arranging the soft-package battery module 100 in the structural form.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The utility model provides a laminate polymer battery module which characterized in that includes:
a first unit comprising a first cell and a first connection bar, the first connection bar being electrically connected to the first cell;
the second unit comprises a heat dissipation plate, a second battery cell and a second connection row, and the second battery cell is connected with one side surface of the heat dissipation plate;
a third unit including a third connection row; wherein
The second unit is clamped between the first unit and the third unit, the first battery cell abuts against the other side face of the heat dissipation plate, the adjacent first battery cell, the adjacent second battery cell or the adjacent two second battery cells are electrically connected through the second connection row, the third connection row is electrically connected with the adjacent second battery cell, and the first connection row and the third connection row are suitable for being connected with an external circuit; the first unit, the second unit and the third unit are sequentially overlapped along the vertical direction, the first unit further comprises a first frame, and the first frame is sleeved outside the upper half part of the first battery cell;
the second unit further comprises a second frame and a third frame, the heat dissipation plate is clamped between the second frame and the third frame, the second frame is sleeved outside the lower half part of the first battery cell or the second frame is sleeved outside the lower half part of the second battery cell adjacent to the second frame, and the third frame is sleeved outside the upper half part of the second battery cell;
the third unit comprises a fourth frame, and the fourth frame is sleeved outside the lower half part of the second battery cell electrically connected with the third connecting row.
2. The laminate battery module of claim 1, wherein the second unit is a plurality of units, and the plurality of second units are stacked such that the outermost one of the heat dissipation plates is sandwiched between one of the first cells and one of the second cells, and the rest of the heat dissipation plates are sandwiched between two of the second cells.
3. The laminate battery module of claim 1, wherein the first cell and the second cell are of the same type and are both of a flexible package type.
4. The pouch battery module of claim 1, wherein the first connecting row is mounted on the first frame, the second connecting row is mounted on the third frame, and the third connecting row is mounted on the fourth frame.
5. The pouch battery module of claim 4, further comprising: the collecting plate is arranged outside at least one of the first frame, the second frame, the third frame and the fourth frame and is electrically connected with the first connecting bar, the second connecting bar and the third connecting bar which are positioned on the same side.
6. The laminate battery module of claim 1, wherein the second frame and the third frame are the same in thickness and are each half of the thickness of the second cell.
7. The laminate battery module of claim 6, wherein the first frame, the second frame, the third frame and the fourth frame have the same thickness, and the first cell and the second cell have the same size.
8. The pouch battery module of claim 1, wherein the first frame, the second frame, the third frame, and the fourth frame are connected by threaded fasteners.
9. A vehicle, characterized in that the soft-package battery module is provided according to any one of claims 1-8.
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| CN201710313839.4A CN107123770B (en) | 2017-05-05 | 2017-05-05 | Laminate polymer battery module and vehicle |
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| CN201710313839.4A CN107123770B (en) | 2017-05-05 | 2017-05-05 | Laminate polymer battery module and vehicle |
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| CN107123770B true CN107123770B (en) | 2020-02-14 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105609676A (en) * | 2015-11-26 | 2016-05-25 | 骆驼集团新能源电池有限公司 | Flexible package battery module |
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| CN101640287B (en) * | 2008-07-31 | 2011-09-07 | 比亚迪股份有限公司 | Soft package lithium ion battery and manufacturing method thereof |
| CN104037373B (en) * | 2014-05-22 | 2016-06-01 | 江苏华东锂电技术研究院有限公司 | Series of cells and there is the battery module of this series of cells |
| CN105180075A (en) * | 2015-10-28 | 2015-12-23 | 江苏松立太阳能科技有限公司 | Solar garden lamp |
| CN106229430A (en) * | 2015-12-02 | 2016-12-14 | 深圳市博亿能科技有限公司 | A kind of power battery box |
| CN106328855B (en) * | 2016-11-29 | 2019-06-04 | 宁德时代新能源科技股份有限公司 | Battery pack and battery module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105609676A (en) * | 2015-11-26 | 2016-05-25 | 骆驼集团新能源电池有限公司 | Flexible package battery module |
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