CN111490209A - Laminate polymer battery module and new energy automobile - Google Patents
Laminate polymer battery module and new energy automobile Download PDFInfo
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- CN111490209A CN111490209A CN202010356695.2A CN202010356695A CN111490209A CN 111490209 A CN111490209 A CN 111490209A CN 202010356695 A CN202010356695 A CN 202010356695A CN 111490209 A CN111490209 A CN 111490209A
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- 229920000642 polymer Polymers 0.000 title claims abstract description 32
- 239000003292 glue Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 14
- 238000004026 adhesive bonding Methods 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 229910052802 copper Inorganic materials 0.000 description 12
- 239000010949 copper Substances 0.000 description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 11
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 229920000742 Cotton Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/64—Constructional details of batteries specially adapted for electric 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
- 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
-
- 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
- H01M50/531—Electrode connections inside a battery casing
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to the technical field of batteries and discloses a soft package battery module and a new energy automobile. The soft-package battery module comprises a battery cell assembly, a rubber frame assembly and a printed circuit board assembly, wherein the battery cell assembly comprises a plurality of soft-package battery cells stacked along the length direction of the soft-package battery module, and tabs of the plurality of soft-package battery cells extend along the width direction of the soft-package battery module; glue the frame assembly and include the bottom subassembly and be connected and follow the gluey frame subassembly that laminate polymer battery module length direction extended with the bottom subassembly, glue and be provided with a plurality of cross slots that extend along laminate polymer battery module direction of height on the frame subassembly, each cross slot is worn to locate by each laminate polymer battery core's utmost point ear one-to-one. According to the invention, the through grooves are arranged, so that the connection between the tabs and the rubber frame assembly is more convenient and faster, the assembly time is reduced on the whole, the grouping efficiency of the soft package battery module is improved, and the overall production cost of the soft package battery module is further reduced.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a soft package battery module and a new energy automobile.
Background
Along with laminate polymer core is in the wide application on new energy automobile, also become more big more to laminate polymer core's group size, especially battery CTP appearance frequency is higher and higher recently, and each battery manufacturer and new energy automobile manufacturer also are the big module for future battery package module direction. CTP is Cell to PACK, is that electric core direct integration is for the battery package to middle module link has been saved. The CTP has two technical routes, namely, a completely module-free mode is adopted, and a mode of replacing a small module with a large module is adopted. The CTP formed by the soft package battery cell basically replaces a small module with a large module at present, and the CTP is less in a complete module-free mode and can meet the requirement of IP 67.
At present, no matter which kind of mode in groups, soft-packaged electrical core's utmost point ear all need carry out the perforation operation to weld with gluing the frame, because soft-packaged electrical core's utmost point ear is soft and big module electric core quantity more usually partially, consequently, when the equipment, hardly accurately perforates a plurality of soft-packaged electrical core's utmost point ear simultaneously, thereby causes and needs to spend a large amount of time and carry out the perforation operation of utmost point ear.
Therefore, a pouch battery module is needed to solve the above problems.
Disclosure of Invention
Based on the above, the invention aims to provide the soft-package battery module and the new energy automobile, which are convenient for mounting the tab, effectively improve the production efficiency and reduce the manufacturing cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pouch battery module, includes:
the battery cell assembly comprises a plurality of soft-package battery cells stacked along the length direction of the soft-package battery module, and tabs of the plurality of soft-package battery cells extend along the width direction of the soft-package battery module;
glue frame assembly, including the bottom subassembly and with the bottom subassembly is connected and is followed the gluey frame subassembly that laminate polymer battery module length direction extends, be provided with a plurality of edges on the gluey frame subassembly the cross slot that laminate polymer battery module direction of height extended, each laminate polymer battery core's utmost point ear one-to-one is worn to locate each in the cross slot.
As an optimal scheme of the soft-package battery module, the rubber frame assembly comprises a rubber frame extending along the length direction of the soft-package battery module and a plurality of confluence pieces arranged on the front side of the rubber frame, the rubber frame is connected with the bottom cover assembly, the confluence pieces are in one-to-one correspondence with the lugs and are connected with the printed circuit board assembly, and the through groove is formed in the rubber frame.
As a preferred scheme of laminate polymer battery module, wear the groove interval set up in the back of gluing the frame, two adjacent the base between wearing the groove is provided with the guide block, two adjacent form the perforation between the guide block.
As an optimal selection scheme of laminate polymer battery module, be provided with the mounting hole on the gluey frame, the printed circuit board assembly is provided with the collection and arranges, the piece that converges is arranged in the mounting hole with the collection is arranged and is connected.
As a preferred scheme of the soft package battery module, a plurality of collecting pieces turned over towards the confluence pieces are arranged on the collecting row, and the collecting pieces are connected with the confluence pieces in a one-to-one correspondence manner.
As an optimal selection scheme of laminate polymer battery module, be provided with the location convex closure on the bottom subassembly, be provided with positioning groove on the gluey frame subassembly, positioning groove with the protruding closure selective connection of location.
As the preferred scheme of a laminate polymer battery module, adjacent two be provided with the bubble cotton between the laminate polymer battery core, the bubble cotton with the laminate polymer battery core splices.
As an optimal selection scheme of the soft package battery module, the soft package battery module further comprises a water-cooling plate assembly, wherein the water-cooling plate assembly is arranged between the battery core assembly and the bottom cover component, and a water pipe interface is arranged on the side surface of the bottom cover component.
As an optimal selection scheme of laminate polymer battery module, still include the upper cover assembly, with bottom cover component lock forms the holding chamber, electric core assembly with glue the frame assembly and arrange in the holding intracavity.
The new energy automobile comprises the soft package battery module in any scheme.
The invention has the beneficial effects that: the rubber frame assembly extends along the length direction of the soft package battery module, the plurality of soft package battery cells are sequentially stacked along the length direction of the soft package battery module, and the lug of each soft package battery cell extends along the width direction of the soft package battery module, so that the lug can extend into a through groove extending in the height direction of the soft package battery module on the rubber frame assembly; the setting up of cross-under makes utmost point ear and the connection of gluing the frame subassembly convenient and fast more, has generally reduced the assemble duration, has improved the efficiency in groups of laminate polymer battery module, and then has reduced the whole manufacturing cost of laminate polymer battery module.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a first schematic diagram illustrating an explosion of a pouch battery module according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of a pouch battery module according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a cell assembly, a rubber frame assembly, a printed circuit board assembly and a water-cooling plate assembly according to an embodiment of the present invention;
FIG. 4 is an exploded schematic view of FIG. 3;
FIG. 5 is an exploded view of a glue frame and a bus bar according to an embodiment of the present invention;
FIG. 6 is an enlarged partial schematic view at A of FIG. 5;
FIG. 7 is a front view of a glue frame and a bus bar provided by an embodiment of the present invention;
FIG. 8 is a rear view of a glue frame and a bus bar provided in accordance with an embodiment of the present invention;
FIG. 9 is an enlarged partial schematic view of a cross-sectional view taken along the line C-C at B in FIG. 8;
FIG. 10 is an enlarged partial schematic view of a perforation provided by an embodiment of the present invention;
fig. 11 is an exploded view of a cell assembly according to an embodiment of the present invention;
FIG. 12 is a schematic view of a bottom cover according to an embodiment of the present invention;
FIG. 13 is an exploded view of a glue frame assembly according to an embodiment of the present invention;
FIG. 14 is an exploded view of a printed circuit board assembly according to an embodiment of the present invention;
FIG. 15 is a schematic view of a water cooled plate assembly according to an embodiment of the present invention;
fig. 16 is an exploded view of the upper cover assembly according to the present embodiment.
In the figure:
1-a cell assembly; 11-soft package battery cell; 111-a tab; 12-foam cotton;
21-a bottom cap assembly; 211-bottom cover; 2111-positioning the convex hull; 2112-copper bar mounting holes; 2113-water pipe mounting holes; 2114-inserting mounting holes; 212-a gasket; 213-a cushion pad;
22-a glue frame assembly; 221-a rubber frame; 2211-pass through slot; 2212-positioning groove; 2213-guide block; 2214-perforations; 2215-insulating spacer; 2216-separators; 2217-mounting holes; 2218-positioning boss; 2219-heat stakes;
222-bus bar; 2221-positioning the notch; 2222-flanging; 2223-via holes; 223-outputting positive copper bars; 224-output negative copper bar; 225-high voltage insulation;
3-a printed circuit board assembly; 31-collection row; 311-acquisition of slices; 312-plug connector; 313-a thermistor;
4-a water-cooled plate assembly; 41-water pipe interface; 42-water cooling plate; 43-insulating tape; 44-plastic sheet;
5-an upper cover assembly; 51-an upper cover; 52-explosion-proof valve; 53-side edge insulation sheet; 54-top edge insulation sheet.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 16, the present embodiment provides a flexible-package battery module, which includes a battery core assembly 1 and a plastic frame assembly printed circuit board assembly 3, a height direction of the flexible-package battery module is an H direction, a length direction of the flexible-package battery module is an L direction, and a width direction of the flexible-package battery module is a W direction, wherein the battery core assembly 1 includes a plurality of flexible-package battery cells 11 stacked along the length direction of the flexible-package battery module, tabs 111 of the plurality of flexible-package battery cells 11 extend along the width direction of the flexible-package battery module, the plastic frame assembly includes a bottom cover assembly 21 and a plastic frame assembly 22 connected to the bottom cover assembly 21 and extending along the length direction of the flexible-package battery module, the plastic frame assembly 22 is provided with a plurality of through slots 2211 extending along the height direction of the flexible-package battery module, and the tabs 111 of each flexible-package battery cell 11 are respectively inserted into each through slot 2211.
The rubber frame assembly 22 extends along the length direction of the soft package battery module, the plurality of soft package battery cells 11 are sequentially stacked along the length direction of the soft package battery module, and the tab 111 of each soft package battery cell 11 extends along the width direction of the soft package battery module, so that the tab 111 can conveniently extend into the through groove 2211 extending along the height direction of the soft package battery module on the rubber frame assembly 22; the setting of poling 2211 makes utmost point ear 111 and the connection of gluing frame subassembly 22 convenient and fast more, has reduced the assemble duration on the whole, has improved the efficiency in groups of laminate polymer battery module, and then has reduced the whole manufacturing cost of laminate polymer battery module.
As shown in fig. 1 to 10, the through grooves 2211 are disposed at intervals on the back of the plastic frame 221, the bottom of the plastic frame structure between two adjacent through grooves 2211 is provided with a guide block 2213, a through hole 2214 is formed between two adjacent guide blocks 2213, the cross section of the through hole 2214 is trapezoidal, and the through hole 2214 is communicated with the through groove 2211 at the short side of the trapezoid. It should be noted that the back surface of the rubber frame 221 is a surface of the rubber frame 221 facing the cell assembly 1, and correspondingly, the front surface of the rubber frame 221 is a surface of the rubber frame 221 facing away from the cell assembly 1. To prevent short circuiting of contact between adjacent tabs 111, one of the guide blocks 2213 on either side of each perforation 2214 is provided with an insulating partition 2215, and further, the insulating partition 2215 extends into the partition 2216.
The process of passing the tab 111 through the through slot 2211 is as follows: firstly, the rubber frame assembly 22 moves downwards along the height direction of the soft package battery module, one side of the tab 111 firstly enters the through hole 2214 through the long side of the through hole 2214 with the trapezoidal section, and then is transmitted out of the through hole 2214 through the short side of the through hole 2214 with the trapezoidal section to enter the through groove 2211; then, the rubber frame assembly 22 moves towards the direction of the battery cell assembly 1 along the width direction of the soft package battery module, and since the cross section of the partition 2216 between two adjacent through grooves 2211 is set to be semicircular, the through groove 2211 between two adjacent semicircular cross sections of the partition 2216 is in a half-skirt type, and the end, at first entering the through groove 2211, of the tab 111 is wider, and finally the tab 111 can penetrate into the through groove 2211 through the structure of the half-skirt type.
The section of the through hole 2214 is trapezoidal, and the section of the through groove 2211 is half-skirt type, so that the insertion of the tab 111 is facilitated; the through hole 2214 with the half-skirt type through groove 2211 with the trapezoidal cross section provides a guiding effect for the penetration of the tab 111, so that the tab 111 is facilitated to be penetrated more accurately, the time for penetrating the tab 111 is shortened, the efficiency for penetrating the tab 111 is increased, and the assembly efficiency between the rubber frame assembly and the battery cell assembly 1 is improved.
The rubber frame assembly 22 comprises a rubber frame 221 extending along the length direction of the soft-package battery module and a plurality of bus sheets 222 arranged on the front surface of the rubber frame 221, and the bus sheets 222 are connected with the tabs 111 in a one-to-one correspondence manner; the soft package battery module further comprises a printed circuit board assembly 3, wherein an acquisition bar 31 is arranged on the printed circuit board assembly 3, a mounting hole 2217 is arranged on the rubber frame 221, and the bus bar 222 is arranged in the mounting hole 2217 and connected with the acquisition bar 31; the bus bar 222 is used to connect the tab 111 and the pcb assembly 3.
Specifically, one end of the bus bar 222 is provided with a positioning notch 2221, and the other end is provided with a flange 2222; the mounting hole 2217 of the rubber frame 221 is arranged at one end far away from the through hole 2214, and the front surface of one side of the rubber frame 221 close to the through hole 2214 is also provided with a positioning projection 2218; the positioning gap 2221 is disposed in the positioning protrusion 2218, and the turned edge 2222 is disposed in the positioning hole. Meanwhile, a through hole 2223 is formed in the bus bar 222 at a position close to the flange 2222, correspondingly, a hot riveting column 2219 is arranged at a position, corresponding to the through hole 2223, of the rubber frame 221, and the hot riveting column 2219 is arranged in the through hole 2223, so that hot riveting connection between the bus bar 222 and the rubber frame 221 is achieved. The connection between the bus bar 222 and the rubber frame 221 is accurately, conveniently and firmly positioned as a whole.
Further, the bottom cover component 21 includes a bottom cover 211, the connected glue frame component 22 and the battery cell assembly 1 are disposed in the bottom cover 211, a positioning convex hull 2111 is disposed at a position on the bottom cover 211 corresponding to the positioning groove 2212, correspondingly, a plurality of positioning grooves 2212 corresponding to the positioning convex hulls 2111 are further disposed on the front surface of one side of the glue frame 221 close to the through hole 2214, the positioning grooves 2212 can be clamped into the positioning convex hulls 2111 along the height direction of the soft package battery module, the positioning grooves 2212 are in clearance fit with the positioning convex hulls 2111, the processing precision can be reduced, the manufacturing cost can be reduced, and the glue frame 221 is glued on the bottom cover 211 to achieve connection of the glue frame component 22 and the bottom cover component 21.
It should be noted that, as shown in fig. 12, a plurality of positioning convex hulls 2111 are disposed on the bottom cover 211, and according to the size of the battery cell assembly 1, the positioning groove 2212 on the rubber frame 221 may be selectively connected with some of the positioning convex hulls 2111 to cooperate with the tabs 111 of the battery cell assembly 1; exemplarily, a certain electric core assembly 1 is formed by stacking in proper order 30 soft-packaged cells 11 to take the tab 111 on one side of the soft-packaged cell 11 as an example, and there are 30 tabs 111 to be installed, and at this moment, if each glue frame 221 is provided with 10 through slots 2211, then 3 glue frames 221 are needed to be connected with the bottom cover 211, so as to realize the punching operation on 30 soft-packaged cells 11. In other embodiments, the adhesive frame assemblies 22 with different sizes may include different numbers of adhesive frames 221, and different numbers of through slots 2211 may be disposed on different adhesive frames 221, as long as the adhesive frames 221 are selectively connected to the positioning protrusions 2111 of the bottom cover 211, and the expandability of the adhesive frames 221 is realized by the arrangement of the positioning grooves 2212 and the positioning protrusions 2111, so that the adhesive frame assemblies 22 can be used for connection with different cell assemblies 1, and the universality of the adhesive frame assemblies 22 is provided.
Preferably, the bottom cover assembly 21 is further provided with a sealing pad 212 and a buffer pad 213, and the sealing pad 212 is glued to the bottom cover 211 for sealing; the buffer pad 213 is glued inside the bottom cover 211 for buffering and preventing the rubber frame component 22 inside the bottom cover 211 from colliding with the battery cell assembly 1.
As shown in fig. 14, the collecting row 31 of the pcb assembly 3 is connected to the bus bar 222 inserted into the mounting hole 2217. Through each partial modularization with laminate polymer battery module, the assembly between each modular assembly is also simpler, improves laminate polymer battery module's production efficiency, has reduced the assemble duration, reduces manufacturing cost.
Specifically, the acquisition row 31 is provided with a thermistor 313 and a plurality of acquisition pieces 311 folded toward the bus bar 222, and each acquisition piece 311 is connected to each bus bar 222 in a one-to-one correspondence. The collecting piece 311 is turned over towards the confluence piece 222, so that the collecting piece 311 and the confluence piece 222 are contacted more completely, and in addition, the collecting piece 311 turned over towards the confluence piece 222 can also play a certain positioning role when the collecting bar 31 and the rubber frame assembly 22 are installed, so that the assembling efficiency is improved. The connector 312 is further disposed at one end of the collection row 31, the corresponding position on the bottom cover 211 is disposed with a plug-in mounting hole 2114, and the plug-in connector 312 is plugged into the plug-in mounting hole 2114 to connect the printed circuit board assembly 3 and the bottom cover member 21.
In this embodiment, as shown in fig. 13, the number of the rubber frame assembly 22 and the number of the printed circuit board assembly 3 are two, and the two rubber frame assemblies are respectively disposed at two ends of the width direction of the pouch battery module and extend along the length direction of the pouch battery module. For realizing the output of 1 electric energy of electric core assembly, gluey frame subassembly 22 still is provided with the positive copper bar 223 of output of being connected with soft-packaged electric core 11 positive pole and is connected output burden copper bar 224 with soft-packaged electric core 11 negative pole, positive copper bar 223 of output and output burden copper bar 224 are located the both ends of one of them gluey frame subassembly 22 respectively, the equal one end of output positive copper bar 223 and output burden copper bar 224 is riveted with gluey frame 221 and is connected, the other end all passes through copper bar mounting hole 2112 bolted connection on high-voltage insulation spare 225 and the bottom 211.
It is worth to be noted that the connection between the positive electrode of the soft package cell 11 and the output positive copper bar 223, the connection between the negative electrode of the soft package cell 11 and the output negative copper bar 224, the connection between the tab 111 and the bus bar 222, and the connection between the bus bar 222 and the collection bar 31 are all electrically connected to realize the collection and transmission of the electric power of the cell assembly 1.
As shown in fig. 11, be provided with between two adjacent soft-packaged electrical core 11 and steep cotton 12, steep cotton 12's both sides surface is provided with the gum, and steep cotton 12 splices through gum and soft-packaged electrical core 11. The two soft-package battery cells 11 are fixedly bonded through the heat-conducting structural adhesive and the structural adhesive, so that the heat-conducting requirement between the soft-package battery cells 11 can be met, and the connection between the soft-package battery cells 11 is firmer; the stacked and glued battery cell assembly 1 is glued to the inner side of the bottom cover component 21.
As shown in fig. 15, the pouch battery module further includes a water-cooling plate assembly 4, the water-cooling plate assembly 4 is disposed between the battery cell assembly 1 and the bottom cover member 21, and the water pipe connector 41 is disposed on a side surface of the bottom cover member 21. Specifically, the water cooling plate assembly 4 includes a water cooling plate 42, and an insulating tape 43 and a plastic sheet 44 glued on the water cooling plate 42, and the battery cell assembly 1 is disposed on the water cooling plate 42. Water pipe connection 41 is provided with two, and one is used for the cooling water to get into water-cooling board 42, and another is used for the cooling water to flow out water-cooling board 42, and two water pipe connection 41 are provided with bottom 211 along laminate polymer battery module length direction's one end, are favorable to the cooling water to cool off electric core assembly 1 fully. The bottom cover 211 is provided with a water pipe mounting hole 2113, and the water pipe connector 41 is in threaded connection with the water pipe mounting hole 2113, so that the connection is convenient and firm, and the sealing performance is good.
As shown in fig. 16, the pouch battery module further includes an upper cover assembly 5, which includes an upper cover 51, an explosion-proof valve 52 and an insulating sheet, the upper cover 51 is connected to the bottom cover 211 through a bolt, and is fastened to form an accommodating cavity, and the electric core assembly 1, the rubber frame assembly and the printed circuit board assembly 3 are disposed in the accommodating cavity; the two explosion-proof valves 52 are respectively provided with two ends of the upper cover 51 along the width direction of the soft-package battery module and used for improving the safety of the soft-package battery module, and the explosion-proof valves 52 are available in the prior art and can be obtained by outsourcing and are not specifically limited herein; the insulating sheets comprise a side edge insulating sheet 53 and a top edge insulating sheet 54, and are used for insulating the upper cover 51 and the battery cell assembly 1, the side edge insulating sheet 53 is glued to the inner sides of the two ends of the upper cover 51 along the width direction of the soft package battery module, and the top edge insulating sheet 54 is glued to the inner side of the top surface of the upper cover 51; the cell assembly 1 is glued to the inner side of the upper cover 51.
This embodiment still discloses a new energy automobile, includes as above arbitrary scheme laminate polymer battery module.
Of course, it should be noted that the pouch battery module provided by the present application is not limited to be used in an automobile.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
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.
Claims (10)
1. The utility model provides a laminate polymer battery module which characterized in that includes:
the battery cell assembly (1) comprises a plurality of soft package battery cells (11) stacked along the length direction of the soft package battery module, and tabs (111) of the soft package battery cells (11) extend along the width direction of the soft package battery module;
glue frame assembly, including bottom cover subassembly (21) and with bottom cover subassembly (21) are connected and are followed laminate polymer battery module length direction extends glue frame subassembly (22), be provided with a plurality of edges on gluing frame subassembly (22) laminate polymer battery module height direction extends wear to locate each in wear to locate each laminate polymer battery cell (11) utmost point ear (111) one-to-one in groove (2211).
2. The laminate polymer battery module according to claim 1, wherein the rubber frame assembly (22) comprises a rubber frame (221) extending along the length direction of the laminate polymer battery module and a plurality of bus bars (222) arranged on the front surface of the rubber frame (221), the rubber frame (221) is connected with the bottom cover assembly (21), each bus bar (222) is connected with each tab (111) in a one-to-one correspondence manner, the bus bars (222) are further connected with a printed circuit board assembly (3), and the through grooves (2211) are arranged on the rubber frame (221).
3. The pouch battery module according to claim 2, wherein the through grooves (2211) are arranged on the back of the rubber frame (221) at intervals, a guide block (2213) is arranged at the bottom edge between two adjacent through grooves (2211), and a through hole (2214) is formed between two adjacent guide blocks (2213).
4. The laminate battery module as recited in claim 2, wherein the rubber frame (221) is provided with a mounting hole (2217), the printed circuit board assembly (3) is provided with a collection row (31), and the bus bar (222) is placed in the mounting hole (2217) and connected with the collection row (31).
5. The laminate battery module according to claim 4, wherein the collecting row (31) is provided with a plurality of collecting sheets (311) folded towards the confluence sheet (222), and the collecting sheets (311) are connected with the confluence sheets (222) in a one-to-one correspondence.
6. The pouch battery module as defined in claim 2, wherein the bottom cover assembly (21) is provided with a positioning convex hull (2111), the glue frame assembly (22) is provided with a positioning groove (2212), and the positioning groove (2212) is selectively connected with the positioning convex hull (2111).
7. The soft package battery module of claim 1, wherein foam (12) is arranged between two adjacent soft package battery cells (11), and the foam (12) is glued to the soft package battery cells (11).
8. The laminate battery module as recited in any one of claims 1-7, further comprising a water cooling plate assembly (4), wherein the water cooling plate assembly (4) is disposed between the cell assembly (1) and the bottom cover assembly (21), and a water pipe connector (41) is disposed at a side of the bottom cover assembly (21).
9. The soft package battery module according to any one of claims 1 to 7, further comprising an upper cover assembly (5) fastened to the bottom cover assembly (21) to form an accommodating cavity, wherein the cell assembly (1) and the rubber frame assembly are disposed in the accommodating cavity.
10. A new energy automobile, characterized by comprising the laminate polymer battery module of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010356695.2A CN111490209A (en) | 2020-04-29 | 2020-04-29 | Laminate polymer battery module and new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010356695.2A CN111490209A (en) | 2020-04-29 | 2020-04-29 | Laminate polymer battery module and new energy automobile |
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| Publication Number | Publication Date |
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| CN111490209A true CN111490209A (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010356695.2A Pending CN111490209A (en) | 2020-04-29 | 2020-04-29 | Laminate polymer battery module and new energy automobile |
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