CN213546419U - Naked electric core structure, battery module and car - Google Patents
Naked electric core structure, battery module and car Download PDFInfo
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- CN213546419U CN213546419U CN202022989051.5U CN202022989051U CN213546419U CN 213546419 U CN213546419 U CN 213546419U CN 202022989051 U CN202022989051 U CN 202022989051U CN 213546419 U CN213546419 U CN 213546419U
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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
Abstract
The embodiment of the utility model provides a naked electric core structure, battery module and car relates to automobile field. This naked electric core structure includes naked electric core body, insulating film and bonding piece, naked electric core body has utmost point ear, the insulating film cladding in the naked electric core body outside, utmost point ear expose in the insulating film, bonding piece with the insulating film bonds, is used for making the insulating film encloses into and accepts the space of naked electric core body. The embodiment of the utility model provides a need not adopt hot melt technology, can effectively solve the hot melt and lead a problem bad with the welding.
Description
Technical Field
The utility model relates to a battery field particularly, relates to a naked electric core structure, battery module and car.
Background
The current naked electric core diolame needs the hot melt under the top cap on the plastic behind the naked electric core of naked electric core insulating film parcel, has the risk of scalding naked electric core barrier film, and hot melt process produces easily simultaneously and leads to the lead wire clamp between top cap piece and aluminum hull, leads to welding badly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a naked electric core structure, battery module and car, it need not adopt hot melt technology, can effectively solve the hot melt and lead a problem bad with the welding.
The embodiment of the utility model is realized like this:
in a first aspect, the utility model provides a naked electric core structure, including naked electric core body, insulating film and bonding piece, naked electric core body has utmost point ear, the insulating film cladding in the naked electric core body outside, utmost point ear expose in the insulating film, bonding piece with the insulating film bonds, is used for making the insulating film encloses to enclose to accept the space of naked electric core body.
In an alternative embodiment, the insulating film includes a first side surface, a second side surface, a first end surface, a second end surface, a top surface, and a bottom surface;
the bottom surface is respectively connected with the first side surface and the second side surface, and both the first side surface and the second side surface can be bent relative to the bottom surface;
the first end face is connected with the first side face and/or the second side face and can be bent relative to the first side face and the second side face;
the second end face is connected with the first side face and/or the second side face and can be bent relative to the first side face and the second side face;
the top surface is connected with the first side surface and/or the second side surface and can be bent relative to the first side surface and the second side surface;
the tab is exposed out of the first end face and/or the second end face, the bonding pieces comprise a plurality of bonding pieces, the bonding pieces comprise first bonding pieces, second bonding pieces and third bonding pieces, the first bonding pieces are bonded with the first side face, the top face and the second side face, the second bonding pieces are bonded with the first side face, the first end face and the second side face, and the third bonding pieces are bonded with the first side face, the second end face and the second side face.
In an alternative embodiment, the first end surface includes first protruding portions and second protruding portions, the number of the first protruding portions includes two, two of the first protruding portions are correspondingly connected with the first side surface and the second side surface, the number of the second protruding portions includes two, two of the second protruding portions are correspondingly connected with the first side surface and the second side surface;
the first protruding part and the second protruding part are provided with gaps, and the gaps surround holes for the lug to pass through;
the second adhesive member is adhered to the first side surface, the second protrusion, and the second side surface.
In an alternative embodiment, the second end face has the same design as the first end face.
In an optional embodiment, the bonding member further includes four corner bonding members, which are a first corner bonding member, a second corner bonding member, a third corner bonding member and a fourth corner bonding member, respectively, the first corner bonding member is bonded to the top surface and the first end surface, the second corner bonding member is bonded to the first end surface and the bottom surface, the third corner bonding member is bonded to the bottom surface and the second end surface, and the fourth corner bonding member is bonded to the second end surface and the top surface.
In an alternative embodiment, the number of the first adhesive members includes a plurality, and the plurality of first adhesive members are adhered to the first side surface, the top surface, and the second side surface and are arranged at intervals.
In an optional embodiment, the bottom surface is provided with a plurality of flow guide holes, and the flow guide holes are arranged at intervals.
In an alternative embodiment, the adhesive is green glue.
In a second aspect, the present invention provides a battery module, including a bare cell structure as in any of the preceding embodiments.
In a third aspect, the present invention provides an automobile, comprising the battery module according to the foregoing embodiments.
The embodiment of the utility model provides a naked electric core, battery module and car: the naked electric core structure comprises a naked electric core body, an insulating film and an adhesive piece, the naked electric core body can be wrapped by the insulating film, and after the naked electric core body is wrapped, the insulating film is fixed by the adhesive piece, so that the shape of the insulating film is basically kept consistent with that of the naked electric core body, and a good wrapping effect is ensured; and the tab can be exposed from the insulating film, so that the tab can be further assembled conveniently. The embodiment of the utility model provides an in, can realize the good cladding to naked electric core body through insulating film and bonding piece, and need not carry out the hot melt technology again to effectively avoid the hot melt that the hot melt technology arouses to lead wire and the bad problem of welding, be favorable to promoting the quality of battery module.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a bare cell structure provided in an embodiment of the present invention;
fig. 2 is a schematic view of an expanded structure of the insulating film according to an embodiment of the present invention.
Icon: 100-bare cell structure; 110-a naked cell body; 111-a tab; 120-an insulating film; 121-a first side; 122-a second side; 123-a first end face; 1231-a first projection; 1232-a second projection; 124-a second end face; 125-top surface; 126-bottom surface; 127-flow guide holes; 130-an adhesive member; 131-a first adhesive member; 132-a second adhesive; 133-a third adhesive; 134-corner bonds.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, an embodiment of the present invention provides a bare cell structure 100. This naked electric core structure 100 can be applied to the battery module. The embodiment of the utility model provides a naked electric core structure 100 need not adopt hot melt technology to have hot melt to lead a silk and the bad problem of welding among the avoiding prior art.
The embodiment of the utility model provides an in, this naked electric core structure 100 includes naked electric core body 110, insulating film 120 and bonding piece 130, and naked electric core body 110 has utmost point ear 111, and insulating film 120 cladding is in the naked electric core body 110 outside, and utmost point ear 111 exposes in insulating film 120, and bonding piece 130 bonds with insulating film 120 for make insulating film 120 enclose into the space of accommodating naked electric core body 110.
It should be noted that, in the embodiment of the present invention, the bare cell body 110 may be wrapped by the insulating film 120, and after wrapping, the insulating film 120 is fixed by the bonding member 130, so that the shape of the insulating film 120 is basically kept consistent with that of the bare cell body 110, and a good wrapping effect is ensured; the tab 111 may be exposed from the insulating film 120, thereby facilitating further assembly of the tab 111. The embodiment of the utility model provides an in, can realize the good cladding to naked electric core body 110 through insulating film 120 and bonding piece 130, and need not carry out the hot melt technology again to effectively avoid the hot melt that the hot melt technology arouses to lead wire and the bad problem of welding, be favorable to promoting naked electric core quality.
Simultaneously, it should also be pointed out that, in the embodiment of the utility model provides an, cancelled the hot melt technology of naked electric core insulating film 120 and top cap: the risk of scalding the isolating membrane caused by a hot melting process is reduced, and poor welding caused by hot melting wire drawing is reduced; meanwhile, a hot melting process is omitted, and the manufacturing cost of the battery cell is reduced. The embodiment of the utility model provides an in, to naked electric core diolame alone, can reduce the manufacturing degree of difficulty of diolame.
Referring to fig. 2, in an alternative embodiment, the insulating film 120 may include a first side surface 121, a second side surface 122, a first end surface 123, a second end surface 124, a top surface 125, and a bottom surface 126. The bottom surface 126 is respectively connected with the first side surface 121 and the second side surface 122, and both the first side surface 121 and the second side surface 122 can be bent relative to the bottom surface 126; the first end face 123 is connected with the first side face 121 and/or the second side face 122 and can be bent relative to the first side face 121 and the second side face 122; the second end surface 124 is connected with the first side surface 121 and/or the second side surface 122 and can be bent relative to the first side surface 121 and the second side surface 122; the top surface 125 is connected with the first side surface 121 and/or the second side surface 122 and can be bent relative to the first side surface 121 and the second side surface 122; the tab 111 is exposed from the first end face 123 and/or the second end face 124, the adhesive member 130 includes a plurality of adhesive members 130, the adhesive members 130 include a first adhesive member 131, a second adhesive member 132 and a third adhesive member 133, the first adhesive member 131 is adhered to the first side face 121, the top face 125 and the second side face 122, the second adhesive member 132 is adhered to the first side face 121, the first end face 123 and the second side face 122, and the third adhesive member 133 is adhered to the first side face 121, the second end face 124 and the second side face 122.
It should be noted that, the bottom surface 126 refers to the structure corresponding to the bottom of the naked electric core body 110 on the insulating film 120, the top surface 125 refers to the structure corresponding to the top of the naked electric core body 110 on the insulating film 120, the first side 121 and the second side 122 refer to the structure corresponding to two sides of the naked electric core body 110 on the insulating film 120 respectively, and the first end surface 123 and the second end surface 124 refer to the structure corresponding to two end surfaces of the naked electric core body 110 on the insulating film 120 respectively. The above-mentioned "bending" refers to the folding that insulating film 120 carries out when cladding insulating film 120 in naked electric core body 110 outside to make insulating film 120 laminate on naked electric core body 110's surface basically. It should be understood that the shape enclosed by the insulating film 120 provided by the embodiment of the present invention is substantially similar to the shape of the bare cell body 110, and the shape enclosed by the insulating film 120 is fixed by the bonding member 130, so as to complete the covering of the bare cell body 110. In the embodiment of the present invention, the bonding member 130 can be divided into three types, which are respectively: a first adhesive member 131 adhering the first side 121, the top 125 and the second side 122, the first adhesive member 131 adhering to the first side 121 and the second side 122 near the top; a second adhesive member 132 adhering the first side surface 121, the first end surface 123, and the second side surface 122, the second adhesive member 132 adhering the first side surface 121 and the second side surface 122 near the first end surface 123; and a third adhesive member 133 adhering the first side surface 121, the second end surface 124 and the second side surface 122, wherein the third adhesive member 133 adheres to the first side surface 121 and the second side surface 122 near the second end surface 124.
Further, the first end face 123 may include first protrusions 1231 and second protrusions 1232, the number of the first protrusions 1231 includes two, two first protrusions 1231 are respectively connected with the first side face 121 and the second side face 122, the number of the second protrusions 1232 includes two, two second protrusions 1232 are respectively connected with the first side face 121 and the second side face 122; the first and second projecting portions 1231 and 1232 have a gap, which encloses a hole through which the tab 111 passes; the second adhesive member 132 is adhered to the first side surface 121, the second protrusion 1232, and the second side surface 122.
Optionally, in the embodiment of the present invention, two tabs 111 of the bare cell body 110 are located at two opposite ends of the bare cell body 110, and the structural form of the second end surface 124 may be the same as that of the first end surface 123.
In an alternative embodiment, the bonding member 130 may further include four corner bonding members 134, namely, a first corner bonding member, a second corner bonding member, a third corner bonding member and a fourth corner bonding member, wherein the first corner bonding member is bonded to the top surface 125 and the first end surface 123, the second corner bonding member is bonded to the first end surface 123 and the bottom surface 126, the third corner bonding member is bonded to the bottom surface 126 and the second end surface 124, and the fourth corner bonding member is bonded to the second end surface 124 and the top surface 125.
It should be pointed out that sets up the bonding in the corner, can keep naked electric core body 110's shape, simultaneously, also can protect the pole piece not to contact with the casing, plays good insulating effect.
Alternatively, the number of the first adhesive members 131 includes a plurality, and the plurality of first adhesive members 131 are adhered to the first side surface 121, the top surface 125, and the second side surface 122 and are arranged at intervals. The plurality of first bonding members 131 can increase bonding strength, and improve the coating effect of the insulating film 120 on the bare cell body 110.
In an alternative embodiment, the bottom surface 126 may be provided with a plurality of flow guide holes 127, the flow guide holes 127 are arranged at intervals, and the flow guide holes 127 may facilitate the flow of the electrolyte.
Optionally, the adhesive 130 is green glue. Further, the first adhesive member 131, the second adhesive member 132, and the third adhesive member 133 may be green glue; the corner adhesive 134 may be green glue. In the embodiment of the present invention, the fixing of the insulating film 120 is realized by the bonding member 130 without using the hot melting process, so as to avoid the problem of the hot melting wire and the poor welding in the hot melting process.
The utility model provides a battery module, include as in any one of the preceding embodiment naked electric core structure 100. This battery module can be square module, blade battery or soft package module, the embodiment of the utility model provides a do not do specifically to this and injecing and require.
The utility model provides an automobile, include as aforementioned embodiment's battery module.
Please refer to fig. 1 and fig. 2 in combination, the embodiment of the present invention provides a bare cell, a battery module, and an automobile: this naked electric core structure 100 includes naked electric core body 110, insulating film 120 and bonding 130, can wrap up naked electric core body 110 through insulating film 120, and after the parcel, rethread bonding 130 fixes insulating film 120 to make insulating film 120's shape keep basically unanimous with naked electric core body 110, guarantee good cladding effect; the tab 111 may be exposed from the insulating film 120, thereby facilitating further assembly of the tab 111. The embodiment of the utility model provides an in, can realize the good cladding to naked electric core body 110 through insulating film 120 and bonding piece 130, and need not carry out hot melt technology again to effectively avoid the hot melt that hot melt technology arouses to lead wire and the bad problem of welding, be favorable to promoting the quality of battery module.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a naked electric core structure, its characterized in that includes naked electric core body (110), insulating film (120) and bonding piece (130), naked electric core body (110) have utmost point ear (111), insulating film (120) cladding in naked electric core body (110) outside, utmost point ear (111) expose in insulating film (120), bonding piece (130) with insulating film (120) bond for make insulating film (120) enclose into and accept the space of naked electric core body (110).
2. The bare cell structure according to claim 1, wherein the insulating film (120) comprises a first side surface (121), a second side surface (122), a first end surface (123), a second end surface (124), a top surface (125), and a bottom surface (126);
the bottom surface (126) is respectively connected with the first side surface (121) and the second side surface (122), and both the first side surface (121) and the second side surface (122) can be bent relative to the bottom surface (126);
the first end face (123) is connected with the first side face (121) and/or the second side face (122) and can be bent relative to the first side face (121) and the second side face (122);
the second end face (124) is connected with the first side face (121) and/or the second side face (122) and can be bent relative to the first side face (121) and the second side face (122);
the top surface (125) is connected with the first side surface (121) and/or the second side surface (122) and can be bent relative to the first side surface (121) and the second side surface (122);
the tab (111) is exposed out of the first end face (123) and/or the second end face (124), the bonding pieces (130) comprise a plurality of bonding pieces, each bonding piece (130) comprises a first bonding piece (131), a second bonding piece (132) and a third bonding piece (133), the first bonding piece (131) is bonded with the first side face (121), the top face (125) and the second side face (122), the second bonding piece (132) is bonded with the first side face (121), the first end face (123) and the second side face (122), and the third bonding piece (133) is bonded with the first side face (121), the second end face (124) and the second side face (122).
3. The bare cell structure according to claim 2, wherein the first end face (123) comprises a first protrusion (1231) and a second protrusion (1232), wherein the number of first protrusions (1231) comprises two, wherein two first protrusions (1231) are correspondingly connected to the first side face (121) and the second side face (122), wherein the number of second protrusions (1232) comprises two, wherein two second protrusions (1232) are correspondingly connected to the first side face (121) and the second side face (122);
the first and second projecting portions (1231, 1232) have a gap enclosing a hole through which the tab (111) passes;
the second adhesive member (132) is adhered to the first side surface (121), the second protrusion (1232), and the second side surface (122).
4. The bare cell structure according to claim 3, wherein the second end face (124) has the same structural form as the first end face (123).
5. The bare cell structure according to any of claims 2 to 4, wherein the adhesive (130) further comprises four corner adhesives (134), namely a first corner adhesive, a second corner adhesive, a third corner adhesive and a fourth corner adhesive, wherein the first corner adhesive is adhered to the top surface (125) and the first end surface (123), the second corner adhesive is adhered to the first end surface (123) and the bottom surface (126), the third corner adhesive is adhered to the bottom surface (126) and the second end surface (124), and the fourth corner adhesive is adhered to the second end surface (124) and the top surface (125).
6. The bare cell structure according to any of claims 2-4, wherein the number of the first bonding members (131) comprises a plurality, and the plurality of first bonding members (131) are bonded to the first side surface (121), the top surface (125) and the second side surface (122) and are arranged at intervals.
7. The bare cell structure according to any of claims 2-4, wherein the bottom surface (126) defines a plurality of flow guide holes (127), the flow guide holes (127) being spaced apart from each other.
8. The bare cell structure according to any of claims 1-4, wherein the bonding member (130) is green glue.
9. A battery module comprising a bare cell structure (100) according to any of claims 1-8.
10. An automobile characterized by comprising the battery module according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022989051.5U CN213546419U (en) | 2020-12-11 | 2020-12-11 | Naked electric core structure, battery module and car |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022989051.5U CN213546419U (en) | 2020-12-11 | 2020-12-11 | Naked electric core structure, battery module and car |
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| CN213546419U true CN213546419U (en) | 2021-06-25 |
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| CN202022989051.5U Active CN213546419U (en) | 2020-12-11 | 2020-12-11 | Naked electric core structure, battery module and car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114188640A (en) * | 2021-12-31 | 2022-03-15 | 上海兰钧新能源科技有限公司 | Secondary battery and processing technology thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114188640A (en) * | 2021-12-31 | 2022-03-15 | 上海兰钧新能源科技有限公司 | Secondary battery and processing technology thereof |
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