CN112331988A - Laminate polymer battery heating panel and laminate polymer battery module - Google Patents
Laminate polymer battery heating panel and laminate polymer battery module Download PDFInfo
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- CN112331988A CN112331988A CN201910655843.8A CN201910655843A CN112331988A CN 112331988 A CN112331988 A CN 112331988A CN 201910655843 A CN201910655843 A CN 201910655843A CN 112331988 A CN112331988 A CN 112331988A
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- package battery
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
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Abstract
The invention provides a soft-package battery heat dissipation plate and a soft-package battery module, wherein the soft-package battery heat dissipation plate comprises a heat conduction plate, the bottom edge of the heat conduction plate and at least one edge of the rest three edges are provided with limiting flanges, the limiting flanges at the positions of the edges are bent towards the same side of the heat conduction plate, and the limiting flanges surround an installation groove for installing a soft-package battery cell; the position, above the limiting folding edge at the bottom, of the heat conducting plate is provided with a limiting bulge, the height, away from the limiting folding edge at the bottom of the heat conducting plate, of the limiting bulge is not less than the height of the bottom edge of the soft-package battery cell, the limiting bulge is used for supporting the bottom of the soft-package battery cell when the soft-package battery cell is installed in the installation groove, the height, protruding out of the surface of the heat conducting plate, of the limiting bulge is less than half of the thickness of the soft-package battery cell, and when the soft-package battery cell is installed in the installation groove, the limiting bulge; spacing arch not only can fix a position soft-packaged electrical core, can also play the supporting role to soft-packaged electrical core.
Description
Technical Field
The invention relates to a soft package battery heat dissipation plate and a soft package battery module.
Background
The soft package battery is a battery form commonly used in the market of power batteries, and is widely applied to commercial vehicles and passenger vehicles. Among the prior art, utility model patent for CN208589513U discloses a battery module if grant notice number, the battery module includes the module body, the module body has a plurality of electric cores of arranging side by side, electric core is soft-packaged electrical core, soft-packaged electrical core's bottom edge is very thin, about 0.2mm, and the bottom edge is softer under the normal conditions, when directly putting soft-packaged electrical core on the bottom hem of heating panel, soft-packaged electrical core's weight is born by its bottom edge completely, lead to electric core bottom edge to bend very easily and warp, lead to electric core position unfixed in the heating panel after the equipment is accomplished, can make a round trip to move in the up and down direction.
In order to prevent electric core make a round trip the drunkenness in the upper and lower direction of heating panel, among the prior art, if the chinese utility model patent that the grant bulletin number is CN207690961U discloses a battery module, the battery module includes electric core and heating panel, and this kind of heating panel passes through bottom sprag structure and supports electric core. However, the bottom supporting structure is formed by bending two metal plates, the bottom supporting structure needs to be matched with the side face of the battery cell when being bent, the requirement on machining precision is high, the machining process is complex, and the rate of finished products is low. In addition, this kind of heating panel is when electric core module uses, through two arc limits of bending and the contact of liquid cooling board, through the edge contact on arc limit, area of contact is less, takes place to warp easily, finally still can lead to the bottom edge stress deformation of electric core, and in addition, the area of contact of battery module and the liquid cooling board of its below is less leads to the radiating effect between heating panel and the liquid cooling board to be limited.
Disclosure of Invention
The invention aims to provide a soft-package battery heat dissipation plate to solve the problem that the edge of the bottom of a battery cell is easy to damage; still provide a laminate polymer battery module to electric core position unfixed problem in the heating panel in solving laminate polymer battery module.
In order to achieve the purpose, the heat dissipation plate for the soft package battery adopts the following technical scheme:
a laminate polymer battery heating panel includes:
the bottom edge and at least one of the rest three edges of the heat conducting plate are provided with limit hems, the limit hems at the edge positions are bent towards the same side of the heat conducting plate, and the limit hems enclose an installation groove for installing a soft package battery core;
the limiting bulge is positioned above the limiting folding edge at the bottom, the height of the limiting bulge from the limiting folding edge at the bottom of the heat conducting plate is not less than the height of the edge of the bottom of the soft-package battery cell, and the limiting bulge is used for supporting the bottom of the soft-package battery cell when the soft-package battery cell is installed in the installation groove;
spacing protruding in the heat-conducting plate face highly be less than half of soft-packaged electrical core thickness, and when soft-packaged electrical core installed in the mounting groove, spacing protruding fender was in the bottom surface of bottom edge one side of soft-packaged electrical core.
The invention has the beneficial effects that: on one hand, after the soft package battery cell is arranged in the mounting groove of the heat dissipation plate, the soft package battery cell can be positioned, and the mounting precision of the soft package battery cell and the heat dissipation plate is improved; on the other hand, when installing soft-packaged electrical core in the mounting groove, spacing arch keeps off the bottom surface that is in bottom edge one side at soft-packaged electrical core to play the supporting role to soft-packaged electrical core, spacing arch highly is not less than the height at the bottom edge of soft-packaged electrical core apart from the spacing hem of heat-conducting plate bottom, avoids the weight of soft-packaged electrical core to bear by the bottom edge completely and causes the bottom edge to take place to warp, prevents the play of soft-packaged electrical core in the heating panel, reduces the emergence of incident. In addition, the bottom edge of heat-conducting plate is provided with spacing hem, and spacing hem has higher structural strength on the one hand, and on the other hand has great area of contact when spacing hem and liquid cooling plate contact to can fine realization heating panel and the heat transfer between the liquid cooling plate.
Furthermore, the limiting bulge is formed by punching the board surface of the heat conducting plate.
Has the advantages that: the processing and forming of the limiting protrusion are facilitated.
The limiting bulge is a strip shape extending along the width direction of the heat conducting plate.
Has the advantages that: increase soft-packaged electrical core and spacing bellied area of contact to make spacing arch can provide more stable support for soft-packaged electrical core.
The spacing arch has more than two, and sets up at the interval in the width direction of heat-conducting plate.
Has the advantages that: when the heat conducting plate is provided with the limiting bulges, the influence of the arrangement of the limiting bulges on the structural strength of the heat conducting plate is reduced as much as possible.
The three limit folding edges are respectively positioned at the bottom edge and the two side edges of the heat conducting plate.
Has the advantages that: when the lower part of heating panel and liquid cooling board contact, guarantee the contact stability of heat-conducting plate and liquid cooling board, still realized simultaneously that soft-packaged electrical core is spacing on the width direction of heat-conducting plate.
Further, the three limit folding edges are straight folding edges.
Has the advantages that: firstly, the structure is simple, the processing is convenient, and the universality of the stamping die is good when the limit folding edge is formed; secondly, the spacing folded edges cannot occupy the space of the battery in the accommodating cavity in an extruding manner, so that the soft package battery module is more regular; and thirdly, a larger contact area can be formed between the bottom limiting folding edge and the liquid cooling plate, so that heat transfer between the cooling plate and the liquid cooling plate can be well realized.
In order to achieve the purpose, the soft package battery module adopts the following technical scheme:
two end plates;
binding bands;
a plurality of electric core units set up side by side along the thickness direction, and electric core unit includes:
soft-packaged battery cells;
a soft package battery heat dissipation plate;
one or more than two soft package battery cells which are connected together in a stacked mode are installed in an installation groove of a soft package battery heat dissipation plate, tabs of the soft package battery cells are arranged upwards, the extending length of a limiting folding edge of a heat conduction plate in the thickness direction of the soft package battery cells is not larger than the total thickness of the soft package battery cells installed in the installation groove, and a limiting bulge of the heat conduction plate bears the bottom surface, located on one side of the bottom edge, of the soft package battery cell attached to the heat conduction plate;
the two end plates are respectively arranged at two ends of the plurality of battery cell units in a row, and the binding bands clamp the two end plates and the plurality of battery cell units between the two end plates;
wherein, laminate polymer battery heating panel includes:
the bottom edge and at least one of the rest three edges of the heat conducting plate are provided with limit hems, the limit hems at the edge positions are bent towards the same side of the heat conducting plate, and the limit hems enclose an installation groove for installing a soft package battery core;
the limiting bulge is positioned above the limiting folding edge at the bottom, the height of the limiting bulge from the limiting folding edge at the bottom of the heat conducting plate is not less than the height of the edge of the bottom of the soft-package battery cell, and the limiting bulge is used for supporting the bottom of the soft-package battery cell when the soft-package battery cell is installed in the installation groove;
spacing protruding in the heat-conducting plate face highly be less than half of soft-packaged electrical core thickness, and when soft-packaged electrical core installed in the mounting groove, spacing protruding fender was in the bottom surface of bottom edge one side of soft-packaged electrical core.
Has the advantages that: the position above the limiting folding edge at the bottom of the heat conducting plate is provided with the limiting bulge, on one hand, after the soft package battery cell is arranged in the mounting groove of the heat radiating plate, the soft package battery cell can be positioned, and the mounting precision of the soft package battery cell and the heat radiating plate is increased, so that the overall mounting precision of the soft package battery module is increased; on the other hand, when installing soft-packaged electrical core in the mounting groove, spacing arch keeps off the bottom surface that is in bottom edge one side at soft-packaged electrical core to play the supporting role to soft-packaged electrical core, spacing arch highly is not less than the height at the bottom edge of soft-packaged electrical core apart from the spacing hem of heat-conducting plate bottom, avoids the weight of soft-packaged electrical core to bear by the bottom edge completely and causes the bottom edge to take place to warp, prevents the play of soft-packaged electrical core in the heating panel, reduces the emergence of incident. In addition, the bottom edge of heat-conducting plate is provided with spacing hem, and spacing hem has higher structural strength on the one hand, and on the other hand has great area of contact when spacing hem and liquid cooling plate contact to can fine realization heating panel and the heat transfer between the liquid cooling plate.
Furthermore, the limiting bulge is formed by punching the board surface of the heat conducting plate.
Has the advantages that: the processing and forming of the limiting protrusion are facilitated.
The limiting bulge is a strip shape extending along the width direction of the heat conducting plate.
Has the advantages that: increase soft-packaged electrical core and spacing bellied area of contact to make spacing arch can provide more stable support for soft-packaged electrical core.
The spacing arch has more than two, and sets up at the interval in the width direction of heat-conducting plate.
Has the advantages that: when the heat conducting plate is provided with the limiting bulges, the influence of the arrangement of the limiting bulges on the structural strength of the heat conducting plate is reduced as much as possible.
The three limit folding edges are respectively positioned at the bottom edge and the two side edges of the heat conducting plate.
Has the advantages that: when the lower part of heating panel and liquid cooling board contact, guarantee the contact stability of heat-conducting plate and liquid cooling board, still realized simultaneously that soft-packaged electrical core is spacing on the width direction of heat-conducting plate.
Further, the three limit folding edges are straight folding edges.
Has the advantages that: firstly, the structure is simple, the processing is convenient, and the universality of the stamping die is good when the limit folding edge is formed; secondly, the spacing folded edges cannot occupy the space of the battery in the accommodating cavity in an extruding manner, so that the soft package battery module is more regular; and thirdly, a larger contact area can be formed between the bottom limiting folding edge and the liquid cooling plate, so that heat transfer between the cooling plate and the liquid cooling plate can be well realized.
The battery cell unit comprises one or two soft-packaged battery cells, and the soft-packaged battery cells are connected through a heat conduction structure adhesive.
Has the advantages that: on one hand, two adjacent soft-packaged battery cells can be bonded together; on the other hand, the heat conduction efficiency between adjacent soft-package battery cores is increased.
The width of two end plates slightly is greater than the width of heat-conducting plate, is equipped with the bandage groove respectively on the both sides of width direction on the end plate, and the bandage is tied up in the bandage groove, and the distance between the bandage groove tank bottom on end plate both sides equals the width of heating panel.
Has the advantages that: the bandage is prevented from sliding in the height direction of the end plate, so that the tightening effect of the bandage on the battery unit is influenced.
Still include the heating film, the heating film subsides are established on the side of the width direction of a plurality of electric core units, and thickness is not more than the thickness of bandage.
Has the advantages that: avoid the heating film to occupy unnecessary space, make the structure of laminate polymer battery module more regular, make things convenient for laminate polymer battery group's emission.
Drawings
Fig. 1 is a schematic structural diagram of a laminate polymer battery module of the present invention placed on a liquid cooling plate;
fig. 2 is a schematic structural diagram of a cell unit in the soft-package battery module in fig. 1;
fig. 3 is a schematic structural diagram of a heat dissipation plate in the cell unit in fig. 2;
fig. 4 is another structural diagram of a heat dissipation plate in a cell unit.
In the figure: 1-a heat sink; 2-pole ear; 3-binding band; 4-an end plate; 5-liquid cooling plate; 6-heating the film; 7-soft package battery cell; 8-bottom edge; 9-limiting and folding the edge at the bottom; 10-side edge limiting and folding; 11-a limit bump; 12-a heat sink; 13-limiting protrusion.
Detailed Description
For more clear understanding of the structure of the pouch battery module, the pouch battery module is described by taking the state of the pouch battery module placed on the liquid cooling plate as an example.
The structure of placing on the liquid cooling plate of laminate polymer battery module is shown in fig. 1, and laminate polymer battery group includes a plurality of electric core units, and electric core unit sets up side by side along its thickness direction, is provided with end plate 4 respectively at the both ends of a plurality of electric core units that become to be listed as, and the interval is provided with two bandages 3 on the direction of height of a plurality of electric core units that become to be listed as, and bandage 3 presss from both sides a plurality of electric core units between with two end plates 4 and two end plates 4 tightly. The bottom of the soft package battery module is bonded on the upper surface of the liquid cooling plate 5 through the heat conduction structural adhesive, and the heat conduction structural adhesive has two functions, so that firstly, the soft package battery module is fixed on the liquid cooling plate 5, and the soft package battery module is more firmly fixed; secondly, the gap between the bottom limiting folding edge 9 of each heat dissipation plate 1 and the cold plate is filled, so that the heat conduction efficiency is higher.
As shown in fig. 2 and fig. 3, the electric core unit includes a heat dissipation plate 1 and a soft package electric core 7 fixed in the heat dissipation plate 1, wherein the heat dissipation plate 1 includes a heat conduction plate, two side edges of the heat conduction plate are provided with side limit folded edges 10, a bottom edge of the heat conduction plate is provided with a bottom limit folded edge 9, and the two side limit folded edges 10 and the bottom limit folded edge 9 are bent toward the same side of the heat conduction plate, the three limit folded edges enclose a mounting groove, the three limit folded edges are straight folded edges, and for the bottom limit folded edge 9, on one hand, the straight folded edges have higher structural strength, and the electric core unit can be placed on the liquid cooling plate 5 more stably; on the other hand, the bottom limiting folding edge 9 which is a straight folding edge has a large contact area with the liquid cooling plate 5, so that heat transfer between the heat dissipation plate 1 and the liquid cooling plate 5 can be well realized. And a limiting bulge 11 is processed above the bottom limiting folding edge 9 of the heat conducting plate, and the limiting bulge 11 is formed by punching the plate surface of the heat conducting plate back to the three limiting folding edges towards the plate surface where the three limiting folding edges are located. In this embodiment, the heat sink 1 is made of aluminum.
Electric core unit is when the equipment, and in packing into the heating panel with soft-packaged electrical core 7, the utmost point ear 2 that keeps soft-packaged electrical core 7 sets up, and when the spacing protruding 11 bearing of heat-conducting plate was in the bottom surface of the one side of bottom edge 8 of soft-packaged electrical core 7, soft-packaged electrical core 7 was fixed a position in heating panel 1. Spacing arch 11 is for following the rectangular shape that heat-conducting plate width direction extended, increases the area of contact of soft-packaged electrical core 7 and spacing arch 11 to make spacing arch 11 can provide more stable support for soft-packaged electrical core 7. Spacing protruding 11 highly is greater than the height of the bottom edge 8 of soft-packaged electrical core 7 apart from the spacing hem 9 in heat-conducting plate bottom, makes spacing protruding 11 can support soft-packaged electrical core 7 completely, avoids the bottom edge 8 of soft-packaged electrical core 7 to bear its self gravity.
After the soft package battery cell 7 is positioned in the heat dissipation plate 1, the soft package battery cell 7 and the heat conduction plate are bonded by adopting a heat conduction structure adhesive, so that the assembly of the battery unit is completed. The heat conduction structure is glued on the one hand and can be fixed soft-packaged electrical core 7 that the location was accomplished, and on the other hand, the heat conduction structure is glued and is played the effect of heat conduction, makes the quick conduction of heat to heating panel 1 of soft-packaged electrical core 7 production.
Owing to set up spacing arch 11 on heating panel 1, even bonding failure between laminate polymer battery and the heat-conducting plate, spacing arch 11 can support laminate polymer battery core 7, is unlikely to make laminate polymer battery drunkenness in heating panel 1.
The heat dissipation plate 1 in the cell unit mainly has the following effects, namely, the heat dissipation plate 1 wraps the soft-package cell 7 in the mounting groove to avoid the soft-package cell 7 from being damaged by collision and the like; secondly, the soft package battery cell 7 is bonded on the heat conducting plate of the heat dissipation plate 1, so that the heat dissipation plate 1 can support the soft package battery cell 7; third, the heat conduction, when soft-packaged electrical core 7 produced a large amount of heats, heating panel 1 can be with heat transfer to liquid cooling plate 5 of soft-packaged electrical core 7 production to cool down soft-packaged electrical core 7.
As shown in fig. 1, a plurality of cell units are arranged in parallel in the thickness direction, end plates 4 are respectively arranged at two ends of the plurality of cell units in a row, the width of the two end plates 4 is slightly larger than that of the heat conducting plate, strap grooves are respectively arranged at two sides of the end plates 4 in the width direction, a strap 3 is tied in the strap grooves, and the distance between the bottoms of the strap groove grooves at the two sides of the end plates 4 is smaller than the width of the heat radiating plate 1, so that the cell units in a row can be tied tightly by the strap 3. The three spacing hem of heat-conducting plate is less than the thickness of the soft-packaged electrical core 7 in the mounting groove at the ascending extension length of 7 thickness directions of soft-packaged electrical core, like this when end plate 4 is crowded tightly a plurality of electric core units, electric core unit is the heat-conducting plate extrusion contact through soft-packaged electrical core 7 and adjacent electric core unit, rather than the three spacing hem of the heating panel 1 of electric core unit and the heat-conducting plate extrusion contact of adjacent electric core unit, thereby make a plurality of electric core units crowded tightly more easily.
In order to avoid soft-package battery core 7 to discharge current less at low temperature, influence the power requirement of vehicle, it has heating film 6 to paste on the width direction's of a plurality of electric core units side, the heat that heating film 6 produced transmits to the heat-conducting plate through the spacing hem 10 in the both sides limit of heating panel 1, then transmits to soft-package battery core 7 through the heat-conducting plate, reach the heating to soft-package battery core 7, thereby make soft-package battery core 7 work at more reasonable temperature range. The thickness of heating film 6 is less than the thickness of bandage 3 to can avoid heating film 6 to occupy unnecessary space, make things convenient for the placing of laminate polymer battery group.
In another embodiment of the pouch battery module of the present invention, as shown in fig. 4, the heat dissipation plate 12 has a different structure from the above embodiment, specifically, two limiting protrusions 13 are disposed on the heat conduction plate of the heat dissipation plate 12, and the two limiting protrusions 13 are disposed at intervals in the width direction of the heat conduction plate.
In the above embodiments, the limiting protrusion is formed by punching the plate surface of the heat conducting plate, and in other embodiments, the limiting protrusion is formed by welding a strip-shaped structure with a rectangular cross section on the plate surface of the heat conducting plate.
In the above-mentioned embodiment, the height that highly is greater than the bottom edge of soft-packaged electrical core of spacing arch apart from the spacing hem of heat-conducting plate bottom, in other embodiments, the height that highly equals the bottom edge of soft-packaged electrical core of spacing arch apart from the hem of heat-conducting plate bottom.
In the above embodiment, the three limit folding edges are straight folding edges, and in other embodiments, the limit folding edges of the three limit folding edges, which are located at the edges of the two sides of the heat conducting plate, can be provided with the strap slot.
In the above-mentioned embodiment, the electric core unit includes a soft-packaged electrical core to, glue bonding connection through the heat conduction structure between soft-packaged electrical core and the heating panel, in other embodiments, the electric core unit can also include two soft-packaged electrical cores or two above soft-packaged electrical cores, glue bonding connection through the heat conduction structure between each soft-packaged electrical core, and, be close to the soft-packaged electrical core of heat-conducting plate with heat-conducting plate bonding connection.
In the above embodiment, the width of the two end plates is slightly larger than that of the heat conducting plate, strap grooves are respectively arranged on the two sides of the end plates in the width direction, straps are tied in the strap grooves, and the distance between the bottoms of the strap groove grooves on the two sides of the end plates is equal to the width of the heat radiating plate; in other embodiments, the width of the two end plates may be smaller than that of the heat conducting plate, and at this time, the two sides of the end plates in the width direction may not be provided with strap slots; or the width of the two end plates is equal to that of the heat conducting plate, the two sides of the end plates in the width direction are respectively provided with a binding belt groove, the binding belts are bound in the binding belt grooves, and the distance between the bottoms of the binding belt grooves on the two sides of the end plates is not more than the width of the heat radiating plate.
In the above embodiment, the soft package cell and the heat conducting plate are bonded and connected by the heat conducting structural adhesive, in other embodiments, the soft package cell and the heat conducting plate can also be bonded and connected by the double-sided adhesive tape, the double-sided adhesive tape is in two or more strip shapes, and can be distributed transversely, vertically, obliquely or crosswise, the strip-shaped double-sided adhesive tape is not easy to generate bubbles in the bonding process, and the area of direct contact between the soft package cell and the heat conducting plate is increased; or no heat-conducting structural adhesive is arranged between the soft-package battery cell and the heat-conducting plate, the soft-package battery cell and the heat-conducting plate are bound and fixed only through the binding band, and heat is transferred through the contact between the soft-package battery cell and the heat-conducting plate; or the heat-conducting glue is coated between the soft-package battery cell and the heat-conducting plate, and the fixed connection is realized between the soft-package battery cell and the heat-conducting plate through a fixed structure.
In the above embodiments, the binding band is provided with two bands in the height direction of the end plate, and in other embodiments, the binding band may be provided with one band, three bands, four bands, or the like in the height direction of the end plate.
In the above embodiment, the three limit flaps are respectively located at the bottom and two side edges of the heat conducting plate, and in other embodiments, two limit flaps may be provided and respectively located at the bottom and the top of the heat conducting plate, or respectively located at the bottom and one of the side edges of the heat conducting plate.
In the above embodiment, the limiting protrusion is a long strip extending along the width direction of the heat conducting plate, in other embodiments, the limiting protrusion may also be a plurality of cylindrical structures arranged at intervals along the width direction of the heat conducting plate, and the axis of the cylindrical structure is perpendicular to the surface of the heat conducting plate, or the limiting protrusion may also be a plurality of square-shaped structures arranged at intervals along the width direction of the heat conducting plate.
According to the specific embodiment of the heat dissipation plate for the soft-package battery, the specific structure of the heat dissipation plate for the soft-package battery is the same as that of the heat dissipation plate for the soft-package battery in the soft-package battery module, and further description is omitted.
Claims (10)
1. The utility model provides a laminate polymer battery heating panel, characterized by includes:
the bottom edge and at least one of the rest three edges of the heat conducting plate are provided with limit hems, the limit hems at the edge positions are bent towards the same side of the heat conducting plate, and the limit hems enclose an installation groove for installing a soft package battery core;
the limiting bulge is positioned above the limiting folding edge at the bottom, the height of the limiting bulge from the limiting folding edge at the bottom of the heat conducting plate is not less than the height of the edge of the bottom of the soft-package battery cell, and the limiting bulge is used for supporting the bottom of the soft-package battery cell when the soft-package battery cell is installed in the installation groove;
spacing protruding in the heat-conducting plate face highly be less than half of soft-packaged electrical core thickness, and when soft-packaged electrical core installed in the mounting groove, spacing protruding fender was in the bottom surface of bottom edge one side of soft-packaged electrical core.
2. The heat dissipation plate for the soft package battery as claimed in claim 1, wherein the limiting protrusions are formed by stamping the plate surface of the heat conduction plate.
3. The heat dissipation plate for the soft-package battery as claimed in claim 1 or 2, wherein the limiting protrusion is a long strip extending along the width direction of the heat conduction plate.
4. The heat dissipation plate for the soft-package battery as claimed in claim 1 or 2, wherein the number of the limiting protrusions is two or more, and the limiting protrusions are spaced apart from each other in the width direction of the heat conduction plate.
5. The heat dissipation plate for the soft-package battery as claimed in claim 1 or 2, wherein the three limiting flanges are respectively located at the bottom edge and the two side edges of the heat conduction plate.
6. The heat dissipation plate for the soft-package battery as claimed in claim 1 or 2, wherein the limiting flanges are straight flanges.
7. Laminate polymer battery module, characterized by includes:
two end plates;
binding bands;
a plurality of electric core units set up side by side along the thickness direction, and electric core unit includes:
soft-packaged battery cells;
laminate battery heat sink according to any of claims 1-6;
one or more than two soft package battery cells which are connected together in a stacked mode are installed in an installation groove of a soft package battery heat dissipation plate, tabs of the soft package battery cells are arranged upwards, the extending length of a limiting folding edge of a heat conduction plate in the thickness direction of the soft package battery cells is not larger than the total thickness of the soft package battery cells installed in the installation groove, and a limiting bulge of the heat conduction plate bears the bottom surface, located on one side of the bottom edge, of the soft package battery cell attached to the heat conduction plate;
the both end plates set up respectively at the both ends of a plurality of electric core units that become the row, and the bandage is tight with a plurality of electric core units between with both end plates clamp.
8. The soft package battery module according to claim 7, wherein the cell unit comprises one or two soft package cells, and the soft package cells are connected with each other through a heat conducting structural adhesive.
9. The pouch battery module according to claim 7 or 8, wherein the end plates have a width slightly larger than that of the heat conductive plate, strap grooves are formed at both sides of the end plates in the width direction, the straps are bound in the strap grooves, and the distance between the bottoms of the strap grooves at both sides of the end plates is equal to the width of the heat dissipation plate.
10. The laminate battery module according to claim 7 or 8, further comprising a heating film, wherein the heating film is attached to the side surfaces of the plurality of cell units in the width direction, and the thickness of the heating film is not greater than that of the binding band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910655843.8A CN112331988A (en) | 2019-07-19 | 2019-07-19 | Laminate polymer battery heating panel and laminate polymer battery module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910655843.8A CN112331988A (en) | 2019-07-19 | 2019-07-19 | Laminate polymer battery heating panel and laminate polymer battery module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530644A (en) * | 2021-12-06 | 2022-05-24 | 浙江零跑科技股份有限公司 | Liquid cooling battery module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530644A (en) * | 2021-12-06 | 2022-05-24 | 浙江零跑科技股份有限公司 | Liquid cooling battery module |
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