CN218660794U

CN218660794U - Fiber reinforced aerogel structure and fiber reinforced aerogel battery heat insulation pad

Info

Publication number: CN218660794U
Application number: CN202122626050.9U
Authority: CN
Inventors: 罗肖宁; 杨浩; 李慧彬; 常稳
Original assignee: Henan Aibiaihe New Material Co ltd
Current assignee: Henan Aibiaihe New Material Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2023-03-21
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a fiber reinforcement aerogel structure, fiber reinforcement aerogel battery heat insulating mattress, fiber reinforcement aerogel structure include aerogel layer, have laid the reinforcing structure in aerogel layer, and the reinforcing structure is fibrous structure, fibrous structure is including directional fibre and/or the tow of arranging in order. The battery heat insulation pad comprises the fiber reinforced aerogel structure, an upper sealing layer and a lower sealing layer, wherein the upper sealing layer and the lower sealing layer are in thermal shrinkage on the corresponding end faces of the fiber reinforced aerogel structure. The utility model discloses a required core size of heat insulating mattress is directly made into to fibre reinforcing aerogel structure, can directly encapsulate into the heat insulating mattress, need not to tailor to fibre distribution is well laid out in advance in the mould then pours into the aerogel and makes it submerge the ageing dry of fibre completely and form in the aerogel, and the direct directional distribution of fibre reduces the existence of other irrelevant material, has improved the aerogel content in the heat insulating mattress, strengthens the aerogel block, prevents cracked, promotes the heat-proof quality.

Description

Fiber reinforced aerogel structure and fiber reinforced aerogel battery heat insulation pad

Technical Field

The utility model belongs to the technical field of battery thermal insulation material, concretely relates to fiber reinforcement aerogel structure, fiber reinforcement aerogel battery heat insulating mattress.

Background

The heat insulation pads in the current market are all made of composite aerogel felts prepared by soaking glass fiber felts, pre-oxidized fiber felts and ceramic fiber felts in sol-gel liquid and then performing supercritical drying, and the heat insulation pads are required to be cut and then packaged during the later production of the heat insulation pads. The proportion of the fiber felt reaches 50-90 percent, and the proportion of the aerogel is less than or equal to 50 percent.

SUMMERY OF THE UTILITY MODEL

Not enough to the description among the above-mentioned prior art, the utility model provides a fiber reinforcement aerogel structure, fiber reinforcement aerogel battery heat insulating mattress, the size of the required core of heat insulating mattress is directly made to fiber reinforcement aerogel structure, need not the process that cuts again.

The utility model discloses the technical scheme who adopts does:

a fiber reinforced aerogel structure includes an aerogel layer having a reinforcement structure disposed therein.

As an optimized scheme of the utility model, the reinforcing structure is the reinforcing structure of orderly distribution.

As a preferred embodiment of the present invention, the reinforcing structure is a fiber structure. The fiber structure comprises fibers and/or fiber bundles which are arranged in an oriented and ordered manner, namely the fibers and the fiber bundles can exist simultaneously or independently, and the fibers can be aramid fibers, polyimide fibers, glass fibers, pre-oxidized fiber, basalt fibers and the like.

As a preferred scheme of the utility model, the content of the fiber structure is less than or equal to 50wt%; the diameter of the fiber is 0.1-1000 μm, and the diameter of the fiber in the fiber bundle is 0.1-1000 μm.

As a preferred scheme of the utility model, the fiber structure, including a plurality of fibrous layer of arranging in layers, every fibrous layer all includes the fibre and/or the tow of a plurality of interval distribution.

Preferably, the adjacent fibers and/or fiber bundles in the same layer have a spacing, the spacing can be equal or unequal, and the spacing can be 0.1 μm-5mm according to the actual design; the spacing between adjacent fibre layers may likewise be equal or unequal, and may be from 0.1 μm to 5mm.

As a preferred embodiment of the present invention, the fiber structure is a cross-shaped lattice structure formed by vertically and horizontally interlacing fibers and/or fiber bundles.

There may be a spacing between adjacent transverse fibers and/or fiber bundles, a spacing between adjacent longitudinal fibers and/or fiber bundles, and there may or may not be a spacing between intersecting transverse fibers and/or fiber bundles and longitudinal fibers and/or fiber bundles. Preferably, the distance between the adjacent transverse fibers and/or fiber bundles is 0.5-3mm, the distance between the adjacent longitudinal fibers and/or fiber bundles is 0.5-3mm, the distance between the crossed transverse fibers and/or fiber bundles and the longitudinal fibers and/or fiber bundles is less than or equal to 0.5mm, namely the distance between the adjacent transverse fibers and/or fiber bundles in the same vertical plane is 0.5-3mm, the distance between the adjacent longitudinal fibers is 0.5-3mm, and the distance between the crossed transverse fibers and/or longitudinal fibers and/or fiber bundles is less than or equal to 0.5mm; the space between adjacent transverse fibers and/or fiber bundles in adjacent vertical planes is 0.5-3mm, and the space between adjacent longitudinal fibers and/or fiber bundles is 0.5-3mm.

As a preferred scheme of the utility model, the fiber structure is a rhombus grid structure formed by fibers and/or fiber bundles arranged in a staggered manner.

The spacing between the parallel fibers and/or the fiber bundles can be equal or unequal, and the spacing between the crossed fibers and/or the fiber bundles can be equal or not, preferably, the spacing between the parallel fibers and/or the fiber bundles is 0.5-2mm, and the spacing between the crossed fibers and/or the fiber bundles is less than or equal to 0.5mm.

As a preferred scheme of the utility model, the reinforcing structure is one or more in prefabricated body panel, carbon nanotube, the whisker.

The utility model also provides a fibre reinforcing aerogel battery heat insulating mattress, include fibre reinforcing aerogel structure, go up seal and lower seal, go up the seal and paste at the corresponding terminal surface of fibre reinforcing aerogel structure with lower seal, and go up the seal and be polymer film and/or dope layer with lower seal. The upper seal layer and the lower seal layer can be polymer films, can also be coating layers, or can be one coating layer of one polymer film.

Preferably, the polymer film is any one of a POF film, a PE film, a PET film, a PC film, a PP film, and a PI film.

Preferably, the coating layer is any one of a polyurethane coating, an epoxy coating, a silicone coating, a modified silicone coating and an EVA coating.

The utility model provides a directly make into the fibrous reinforcement aerogel structure of the required core size of heat insulating mattress, can directly encapsulate into the heat insulating mattress, need not to cut to fibre distribution makes its ageing dry of flooding fibre form of totally pouring into the aerogel in the mould well in advance to overall arrangement in the aerogel, and the direct directional distribution of fibre reduces the existence of other irrelevant material, has improved the content of aerogel in the heat insulating mattress, reinforces the aerogel block, prevents cracked, promotes the heat-proof quality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 these drawings without creative efforts.

FIG. 1 is a front view of the preferred embodiment 1.

Fig. 2 is a left side view of embodiment 1.

FIG. 3 is a front view of embodiment 2.

Fig. 4 is a left side view of embodiment 2.

FIG. 5 is a front view of embodiment 3.

FIG. 6 is a left side view of embodiment 3.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

Example 1:

a fiber reinforced aerogel structure is shown in figures 1 and 2 and comprises an aerogel layer 1, wherein a reinforcing structure 2 is distributed in the aerogel layer 1, the reinforcing structure is preferably an orderly-arranged structure, in the embodiment, the reinforcing structure is a fiber structure, and the content of the fiber structure is less than or equal to 50wt%.

And the fiber structure comprises a plurality of fiber layers arranged in layers, each fiber layer comprises a plurality of fibers 3 distributed at intervals, and the fibers 3 can be 5-50cm in length and 0.1-1000 μm in diameter, but the length can be selected according to the actual application. And the distance between adjacent fibers in the same layer is 0.1 μm-5mm, which can be 0.5mm, 1.0mm, 1.5mm, 2mm; the spacing between adjacent fibre layers is 0.1 μm-5mm, and may be 0.5mm, 1.0mm, 1.5mm, 2mm.

The fibers arranged in an oriented and ordered mode can be aramid fibers, polyimide fibers, glass fibers, pre-oxidized fiber, basalt fibers and the like, the overall specifically presented shape is designed according to needs, the distance between every two adjacent fibers can be equidistant or non-equidistant, the fibers are specifically designed according to the actual conditions, and the distance between every two adjacent fiber layers can be equidistant or non-equidistant, and the fibers are specifically designed according to the actual conditions.

Of course, the fiber structure may be made of all fiber bundles, or may be made of both fibers and fiber bundles.

The reinforced structure can also adopt one or more of prefabricated plates, carbon nanotubes and whiskers as reinforced internals.

Example 2:

a fiber reinforced aerogel structure is shown in figures 3 and 4, and is a cross grid structure formed by vertically and horizontally staggering fibers 3, wherein the distance between adjacent transverse fibers is 0.5-3mm, and can be 0.5mm, 1.0mm, 1.5mm, 2mm, 2.5 mm and 3mm; the space between adjacent longitudinal fibers is 0.5-3mm, and can be 0.5mm, 1.0mm, 1.5mm, 2mm, 2.5 mm and 3mm, the space between the crossed transverse fibers and the longitudinal fibers is less than or equal to 0.5mm, and also the space between each adjacent transverse fiber, the space between adjacent longitudinal fibers and the space between the crossed transverse fibers and the longitudinal fibers can be equal or unequal, and the specific space value is set according to the actual situation.

Of course, the fiber structure is a cross-shaped lattice structure formed by vertically and horizontally interlacing fiber bundles, or a cross-shaped lattice structure formed by vertically and horizontally interlacing fibers and fiber bundles together, and the rest is the same as that of the embodiment 1.

Example 3:

a fibre reinforced aerogel structure, as shown in figures 5 and 6, is a diamond lattice structure with fibres 3 arranged in a staggered manner. The spacing between the parallel fibers is 0.5-2mm, and can be 0.5mm, 1.0mm, 1.5mm, 2mm; the distance between the intersecting fibers is less than or equal to 0.5mm, and similarly, the distance between the parallel fibers may be equal or unequal, and the specific distance value is set according to the actual requirement, of course, the fiber structure is a diamond grid structure formed by interlacing fiber bundles, or a diamond grid structure formed by interlacing fiber bundles and fiber bundles together, and the rest are the same as those in embodiment 1.

Example 4:

the utility model provides a fiber reinforcement aerogel battery heat insulating mattress, includes fiber reinforcement aerogel structure, upper seal and lower seal are pasted at fiber reinforcement aerogel structure and are corresponded the terminal surface to upper seal and lower seal can all be the polymer film, also can all be the dope layer, perhaps dope layer of a polymer film.

The polymer film is any one of a POF film, a PE film, a PET film, a PC film, a PP film and a PI film. The coating layer is any one of a polyurethane coating and an epoxy coating.

The fiber structure of the fiber reinforced aerogel structure can be a structure of fiber layers arranged in a layered mode, and can also be a cross grid structure or a rhombic grid structure.

Reference throughout this specification to the description of "one embodiment," "an example," "a specific example," or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fiber reinforced aerogel structure, comprising: comprises an aerogel layer (1), and a reinforcing structure (2) is arranged in the aerogel layer (1); the reinforcing structure (2) is a fiber structure which comprises a plurality of fiber layers arranged in a layered manner, and each fiber layer comprises a plurality of fibers and/or fiber bundles distributed at intervals; there is a spacing between adjacent fibers and/or fiber bundles in the same layer and a spacing between adjacent fiber layers.

2. The fiber reinforced aerogel structure of claim 1, wherein: the diameter of the fiber (3) is 0.1-1000 μm, and the diameter of the fiber in the fiber bundle is 0.1-1000 μm.

3. A fiber reinforced aerogel structure, comprising: comprises an aerogel layer (1), and a reinforcing structure (2) is arranged in the aerogel layer (1); the reinforcing structure (2) is a fiber structure, and the fiber structure is a cross grid structure formed by fibers and/or fiber bundles in a criss-cross vertical staggered manner; the adjacent transverse fibers and/or fiber bundles in the same vertical plane are spaced, the adjacent longitudinal fibers are spaced, and the intersected transverse fibers and the longitudinal fibers and/or fiber bundles are spaced; there is a spacing between adjacent transverse fibers and/or fiber bundles in adjacent vertical planes and a spacing between adjacent longitudinal fibers and/or fiber bundles.

4. A fiber reinforced aerogel structure, comprising: comprises an aerogel layer (1), and a reinforcing structure (2) is arranged in the aerogel layer (1); the reinforcing structure (2) is a fiber structure, and the fiber structure is a diamond grid structure formed by fibers and/or fiber bundles in a staggered mode; there is a spacing between parallel fibers and/or fiber bundles and a spacing between intersecting fibers and/or fiber bundles.

5. The utility model provides a fiber reinforcement aerogel battery heat insulating mattress which characterized in that: the fiber-reinforced aerogel structure comprises the fiber-reinforced aerogel structure as claimed in any of claims 1 to 4, an upper sealing layer and a lower sealing layer, wherein the upper sealing layer and the lower sealing layer are adhered to the corresponding end faces of the fiber-reinforced aerogel structure.

6. The fiber reinforced aerogel battery insulation mat as claimed in claim 5, wherein: the upper sealing layer and the lower sealing layer are both polymer films and/or coating layers.

7. The fiber reinforced aerogel battery insulation mat of claim 6, wherein: the polymer film is any one of a POF film, a PE film, a PET film, a PC film, a PP film and a PI film.

8. The fiber reinforced aerogel battery insulation mat of claim 6, wherein: the coating layer is any one of a polyurethane coating, an epoxy coating, an organic silicon coating, a modified organic silicon coating and an EVA coating.