CN221217702U - Mica composite part - Google Patents
Mica composite part Download PDFInfo
- Publication number
- CN221217702U CN221217702U CN202322598928.1U CN202322598928U CN221217702U CN 221217702 U CN221217702 U CN 221217702U CN 202322598928 U CN202322598928 U CN 202322598928U CN 221217702 U CN221217702 U CN 221217702U
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- China
- Prior art keywords
- layer
- composite
- mica
- mica tape
- heat insulation
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- 239000010445 mica Substances 0.000 title claims abstract description 80
- 229910052618 mica group Inorganic materials 0.000 title claims abstract description 80
- 239000002131 composite material Substances 0.000 title claims abstract description 70
- 238000009413 insulation Methods 0.000 claims abstract description 41
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000741 silica gel Substances 0.000 claims abstract description 12
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 101
- 239000003365 glass fiber Substances 0.000 claims description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 9
- -1 polyethylene Polymers 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- 229920002943 EPDM rubber Polymers 0.000 claims description 8
- 239000011241 protective layer Substances 0.000 claims description 8
- 238000009941 weaving Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 239000005022 packaging material Substances 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 238000010292 electrical insulation Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 229910052628 phlogopite Inorganic materials 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model relates to the technical field of packaging materials, in particular to a mica composite part, which comprises a first composite mica tape, a heat insulation felt and a second composite mica tape, wherein the first composite mica tape and the second composite mica tape are respectively arranged at the upper end and the lower end of the heat insulation felt, a silica gel layer is arranged at the upper end of the first composite mica tape, and the heat insulation felt comprises an aluminum silicate plate. The mica composite member is simple in structure, is used for the outer package of the battery, has good supporting performance and buffering performance, and has a heat insulation protection effect on the battery, and the functionality is strong.
Description
Technical Field
The utility model relates to the technical field of packaging materials, in particular to a mica composite member.
Background
At present, with the development of technology and the improvement of people's life, the performance of the battery is also improved continuously. But in recent years, battery accidents occur sometimes, and particularly, thermal runaway protection is easy between the battery cells of the battery module. Therefore, a composite material with good insulation and low thermal conductivity needs to be arranged between the battery cells. The mica material has the advantages of high electrical insulation, large dielectric constant, small loss, high dielectric strength and high chemical stability, and is an excellent electric core thermal runaway protection material. At present, the thermal runaway protection material of the battery cell in the related art mainly comprises mica paper and mica plates. However, the mica paper and the mica plate have single structure, are easy to wrinkle and collapse after being used for a long time, have common buffering performance, and have higher heat conductivity coefficients, so that the heat insulation performance between the battery cells is relatively poor, and the thermal runaway protection performance of the battery module is affected.
Disclosure of Invention
In order to overcome the defects and the shortcomings in the prior art, the utility model aims to provide the mica composite member which is simple in structure, is used for the outer package of a battery, has good supporting performance and buffering performance, and has a heat insulation protection effect on the battery, and the functionality is strong.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides a mica composite, includes first compound mica tape, thermal-insulated felt and the compound mica tape of second, the upper end and the lower extreme of thermal-insulated felt are located respectively to first compound mica tape and the compound mica tape of second, the upper end of first compound mica tape is equipped with the silica gel layer, thermal-insulated felt includes aluminum silicate board.
Further, the first composite mica tape and the second composite mica tape comprise a mica main body layer, a glass fiber layer and an organic silicon resin layer, wherein the organic silicon resin layer is arranged between the mica main body layer and the glass fiber layer, and the two glass fiber layers are respectively arranged at the upper end and the lower end of the aluminum silicate plate.
Further, the upper end of the silica gel layer is provided with a bonding layer.
Further, the heat insulation felt further comprises a composite fabric layer, and the composite fabric layer is arranged between the aluminum silicate plate and the glass fiber layer positioned on the second composite mica tape.
Further, the composite fabric layer is formed by weaving composite yarns, and the composite yarns comprise an inner core and a protective layer wrapped outside the inner core.
Further, the inner core is made of polyethylene fibers, and the protective layer is an ethylene propylene diene monomer layer.
Further, the heat insulation felt further comprises a reinforcing layer and an antistatic layer, wherein the reinforcing layer is respectively arranged at the lower end of the aluminum silicate plate, and the antistatic layer is arranged between the reinforcing layer and the glass fiber layer positioned in the second composite mica tape.
Further, the reinforcing layer is a polyethylene fiber layer, and the antistatic layer is an ethylene propylene diene monomer rubber layer.
The utility model has the beneficial effects that: the mica composite member has a simple structure, is used for the outer package of a battery, has good supporting performance and buffering performance, and has a heat insulation and protection effect on the battery, and the functionality is strong. The silica gel layer plays roles of heat insulation, shock absorption and the like. The composite mica tape has excellent high temperature resistance and combustion resistance, wherein the aluminum silicate plate has low heat conductivity, has the characteristics of good corrosion resistance, impact resistance, acid and alkali resistance, fire resistance and the like, can effectively prevent a battery from causing fire, can improve the corrosion resistance and high temperature resistance of the battery, improves the use safety of the battery, and has good heat insulation and protection effects.
Drawings
FIG. 1 is a schematic structural view of a mica composite of example 1;
FIG. 2 is a schematic structural view of a first composite mica tape according to example 1;
FIG. 3 is a schematic structural view of a second composite mica tape according to example 1;
FIG. 4 is a schematic structural view of the composite yarn of example 2;
Fig. 5 is a schematic structural view of the heat insulation felt of example 3.
The reference numerals include:
1. A silica gel layer; 2. a first composite mica tape; 3. aluminum silicate plates; 4. a second composite mica tape; 41. a mica body layer; 42. a glass fiber layer; 43. a silicone resin layer; 5. a bonding layer; 6. an inner core; 7. a protective layer; 8. a reinforcing layer; 9. an antistatic layer.
Detailed Description
The present utility model will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.
Example 1
As shown in fig. 1-3, a mica composite member comprises a first composite mica tape 2, a heat insulation felt and a second composite mica tape 4, wherein the first composite mica tape 2 and the second composite mica tape 4 are respectively arranged at the upper end and the lower end of the heat insulation felt, a silica gel layer 1 is arranged at the upper end of the first composite mica tape 2, and the heat insulation felt comprises an aluminum silicate plate 3.
The mica composite member disclosed by the utility model is simple in structure, is used for the outer package of a battery, has the effect of heat insulation and protection, and is strong in functionality. The silica gel layer 1 plays roles in supporting, heat insulation, shock absorption and the like, and plays a role in protecting a battery. The composite mica tape has excellent insulating property, high temperature resistance and combustion resistance, wherein the aluminum silicate plate 3 of the heat insulation felt has low heat conductivity coefficient, has the characteristics of good corrosion resistance, impact resistance, acid and alkali resistance, fire resistance and the like, can effectively prevent a battery from causing fire, can improve the corrosion resistance and high temperature strength of the battery, improves the use safety of the battery, and has a good heat insulation protection effect.
In this embodiment, the silica gel layer 1 is a black silica gel layer.
Further, the first composite mica tape 2 and the second composite mica tape 4 each comprise a mica main body layer 41, a glass fiber layer 42 and an organic silicon resin layer 43, the organic silicon resin layer 43 is arranged between the mica main body layer 41 and the glass fiber layer 42, the first composite mica tape 2 is sequentially provided with the mica main body layer 41, the organic silicon resin layer 43 and the glass fiber layer 42 from top to bottom, the second composite mica tape 4 is sequentially provided with the glass fiber layer 42, the organic silicon resin layer 43 and the mica main body layer 41 from top to bottom, the two glass fiber layers 42 are respectively arranged at the upper end and the lower end of the heat insulation felt, and the glass fiber layer 42 is woven by glass fibers. The mica main body layer 41 has the characteristics of excellent insulating property, high temperature resistance and combustion resistance, the glass fiber layer 42 has the characteristics of incombustibility, corrosion resistance, good heat insulation and sound insulation, high tensile strength, good electrical insulation and the like, and the organic silicon resin layer 43 is used for firmly connecting the mica main body layer 41 and the glass fiber layer 42 together, so that the heat insulation protection effect of the composite mica tape can be enhanced.
In this embodiment, the mica body layer 41 is made of phlogopite in the prior art, and the phlogopite has the characteristics of extremely high electrical insulation, acid and alkali corrosion resistance, heat resistance, sound insulation, small thermal expansion coefficient, and the like.
Further, an adhesive layer 5 is arranged at the upper end of the silica gel layer 1. The adhesive layer 5 is used for adhering the mica composite member to the surface of the battery, so that the mica composite member is firmly connected with the battery.
Example 2
As shown in fig. 4, unlike in example 1, in this example, the heat-insulating felt further includes a composite fabric layer provided between the aluminum silicate plate 3 and the glass fiber layer 42 provided on the second composite mica tape 4. The composite fabric layer can further enhance the support, wear resistance and fireproof heat insulation performance of the aluminum silicate plate 3.
Further, the composite fabric layer is formed by weaving composite yarns, and the composite yarns comprise an inner core 6 and a protective layer 7 wrapped outside the inner core 6, so that the structure is simple. The protective layer 7 has the effect of static electricity prevention and heat insulation.
In this embodiment, the inner core 6 is a polyethylene fiber, and the protective layer 7 is an ethylene propylene diene monomer layer. The polyethylene fiber has good electrical insulation property and strong mechanical property, and can further enhance the wear resistance and the supportability of the heat insulation felt; the ethylene propylene diene monomer rubber has excellent insulating property and high temperature resistance, and can further enhance the anti-static property of the heat insulation felt and the fireproof heat insulation property of the heat insulation felt. In the embodiment, the polyethylene fiber adopts the ultra-high molecular weight polyethylene fiber in the prior art, has high specific strength and high specific modulus, and enhances the mechanical property of the mica composite member.
Example 3
As shown in fig. 5, unlike in example 1, in example 2, the heat insulation felt further comprises a reinforcing layer 8 and an antistatic layer 9, the two reinforcing layers 8 are respectively disposed at the upper and lower ends of the aluminum silicate plate 3, and the antistatic layer 9 is disposed between the reinforcing layer 8 and the glass fiber layer 42 of the second composite mica tape 4. The reinforcing layer 8 further enhances the supporting performance of the heat insulation felt, and the antistatic layer 9 has an antistatic heat insulation effect.
Further, the reinforcing layer 8 is a polyethylene fiber layer, and the polyethylene fiber layer has high specific strength and high specific modulus, so that the supporting performance of the heat insulation felt is enhanced; the antistatic layer 9 is an ethylene propylene diene monomer layer, and the ethylene propylene diene monomer has excellent insulation performance and high temperature resistance, so that the antistatic performance of the heat insulation felt can be further enhanced, and the fireproof heat insulation performance of the heat insulation felt is also enhanced.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (8)
1. A mica composite, characterized in that: including first compound mica tape (2), thermal-insulated felt and the compound mica tape of second (4), the upper end and the lower extreme of thermal-insulated felt are located respectively in first compound mica tape (2) and the compound mica tape of second (4), the upper end of first compound mica tape (2) is equipped with silica gel layer (1), thermal-insulated felt includes aluminum silicate board (3).
2. The mica composite as in claim 1 wherein: the first composite mica tape (2) and the second composite mica tape (4) comprise a mica main body layer (41), a glass fiber layer (42) and an organic silicon resin layer (43), wherein the organic silicon resin layer (43) is arranged between the mica main body layer (41) and the glass fiber layer (42), and the two glass fiber layers (42) are respectively arranged at the upper end and the lower end of the aluminum silicate plate (3).
3. The mica composite as in claim 1 wherein: the upper end of the silica gel layer (1) is provided with a bonding layer (5).
4. The mica composite as in claim 2 wherein: the heat insulation felt further comprises a composite fabric layer, and the composite fabric layer is arranged between the aluminum silicate plate (3) and the glass fiber layer (42) positioned on the second composite mica tape (4).
5. The mica composite as in claim 4 wherein: the composite fabric layer is formed by weaving composite yarns, and the composite yarns comprise an inner core (6) and a protective layer (7) wrapped outside the inner core (6).
6. The mica composite as in claim 5 wherein: the inner core (6) is made of polyethylene fibers, and the protective layer (7) is an ethylene propylene diene monomer rubber layer.
7. The mica composite as in claim 2 wherein: the heat insulation felt further comprises a reinforcing layer (8) and an antistatic layer (9), wherein the reinforcing layer (8) is respectively arranged at the lower end of the aluminum silicate plate (3), and the antistatic layer (9) is arranged between the reinforcing layer (8) and the glass fiber layer (42) arranged on the second composite mica tape (4).
8. The mica composite as in claim 7 wherein: the reinforcing layer (8) is a polyethylene fiber layer, and the antistatic layer (9) is an ethylene propylene diene monomer rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322598928.1U CN221217702U (en) | 2023-09-22 | 2023-09-22 | Mica composite part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322598928.1U CN221217702U (en) | 2023-09-22 | 2023-09-22 | Mica composite part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221217702U true CN221217702U (en) | 2024-06-25 |
Family
ID=91545294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322598928.1U Active CN221217702U (en) | 2023-09-22 | 2023-09-22 | Mica composite part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221217702U (en) |
-
2023
- 2023-09-22 CN CN202322598928.1U patent/CN221217702U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |