CN219457754U - Battery aerogel heat insulation pad capable of being spliced - Google Patents

Abstract

The utility model discloses a spliced battery aerogel heat insulation pad, which comprises at least one aerogel heat insulation core material and packaging films wrapping and covering two sides of the aerogel heat insulation core material, wherein one end of the aerogel heat insulation core material is provided with a bump structure along the length direction or the width direction, and the other end of the aerogel heat insulation core material is provided with a groove structure matched with the bump structure along the length direction or the width direction. The utility model has the beneficial effects that: the utility model adopts the splicing structure, greatly increases the adaptability to different battery sizes, and can flexibly adjust the sizes of the heat insulation pad and the splicing structure according to actual needs, thereby meeting the development requirements of the continuously updated power battery. In addition, the thermal conductivity of the traditional heat insulation material is greatly reduced by compounding the traditional fiber material with the aerospace-grade aerogel material in the aspect of performance, the physical stability of the aerogel heat insulation core material is enhanced by adopting the packaging film, and the separation and falling phenomenon of the heat insulation core material composite material due to shaking friction is avoided.

Description

Battery aerogel heat insulation pad capable of being spliced

Technical Field

The utility model relates to the technical field of fireproof heat insulation materials, in particular to a spliced battery aerogel heat insulation pad.

Background

While power batteries are being used as power sources for new energy electric vehicles and are being developed towards high energy density and high charging rate, battery safety problems are also being concerned by various parties due to the frequent occurrence of the phenomenon of spontaneous combustion of new energy electric vehicles in recent years.

At present, each large manufacturer gradually adopts a mode of placing aerogel heat insulation pads between batteries to delay or prevent the thermal diffusion of single battery cells, and as each battery manufacturer does not have a mandatory unified standard in the field of power battery size, and in order to reduce the battery pack volume, improve the battery pack volume utilization rate and the energy density at the same time, the power battery is developing towards thicker and longer trend, therefore, the battery heat insulation pads also need to adapt to the trend of high aspect ratio of the power battery, and higher demands are put forward on the preparation size and the efficiency of the current battery heat insulation pads.

Disclosure of Invention

The present utility model is directed to solving the above-mentioned problems and disadvantages of the prior art by providing a splice-able aerogel insulation mat for a battery.

The technical problems solved by the utility model can be realized by adopting the following technical scheme:

the utility model provides a battery aerogel heat insulating mattress that can splice, its characterized in that includes at least aerogel heat insulating core material and parcel cover the encapsulation membrane on aerogel heat insulating core material two sides, the one end of aerogel heat insulating core material is provided with a lug structure along length direction or width direction, the other end of aerogel heat insulating core material is provided with along length direction or width direction with a lug structure complex groove structure.

In a preferred embodiment of the present utility model, one end of the encapsulation film is provided with a protrusion portion engaged with the bump structure, and the other end of the encapsulation film is provided with a groove portion engaged with the groove structure.

In a preferred embodiment of the utility model, the dimensions of the bump structure and the groove structure correspond and the bump structure and the groove structure are arranged facing in the same direction.

In a preferred embodiment of the present utility model, the length and width of the bump structure and the groove structure are 5mm to 100mm.

In a preferred embodiment of the present utility model, two adjacent aerogel insulation core materials are spliced and connected by a bump structure and a groove structure.

In a preferred embodiment of the present utility model, the aerogel insulation core is an aerogel composite.

In a preferred embodiment of the present utility model, the aerogel composite is a composite made from a substrate and aerogel material by impregnation.

In a preferred embodiment of the utility model, the aerogel composite has a thickness of 0.1mm to 10mm.

In a preferred embodiment of the present utility model, the encapsulation film is a polymer material.

In a preferred embodiment of the present utility model, the encapsulation film has a thickness of 0.01mm to 1mm.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that: the utility model adopts the splicing structure, greatly increases the adaptability to different battery sizes, and can flexibly adjust the sizes of the heat insulation pad and the splicing structure according to actual needs, thereby meeting the development requirements of the continuously updated power battery. In addition, the thermal conductivity of the traditional heat insulation material is greatly reduced by compounding the traditional fiber material with the aerospace-grade aerogel material in the aspect of performance, the physical stability of the aerogel heat insulation core material is enhanced by adopting the packaging film, and the separation and falling phenomenon of the heat insulation core material composite material due to shaking friction is avoided.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a use effect diagram of the present utility model.

Detailed Description

The utility model is further described below in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the utility model easy to understand.

Referring to fig. 1 to 2, a battery aerogel heat insulation pad capable of being spliced comprises at least one aerogel heat insulation core material 10 and packaging films 20 wrapping and covering two sides of the aerogel heat insulation core material 10, wherein one end of the aerogel heat insulation core material 10 is provided with a bump structure 10a along the length direction or the width direction, and the other end of the aerogel heat insulation core material 10 is provided with a groove structure 10b matched with the bump structure 10a along the length direction or the width direction. One end of the encapsulation film 20 in the present embodiment is provided with a convex portion 20a that mates with the bump structure 10a, and the other end of the encapsulation film 20 is provided with a groove portion 20b that mates with the groove structure 10b. Specifically, (focusing on fig. 2) one end of the aerogel heat insulation core 10 of the present utility model may be provided with a bump structure or a groove structure, while one end of another aerogel heat insulation core 10 may be provided with a bump structure or a groove structure, so that two aerogel heat insulation cores 10 are spliced and connected, thus saving processing procedures, and similarly, the packaging film 20 may be provided.

The bump structures 10a and the groove structures 10b are correspondingly sized and are arranged in the same direction as the groove structures. The length and width of the bump structures 10a and the groove structures 10b in this embodiment are preferably 5mm to 100mm. Specifically, the length and width of the bump structures 10a and the groove structures 10b may be set according to different battery sizes.

Two adjacent aerogel heat insulation core materials 10 are spliced and connected through a bump structure 10a and a groove structure 10b. Specifically, a plurality of aerogel insulation core 10 can be spliced to form a battery aerogel insulation mat of a desired size.

The aerogel heat insulation core 10 is preferably an aerogel composite material, and the aerogel composite material in this embodiment is a composite material made of a base material and an aerogel material by an impregnation method, and the thickness of the aerogel composite material is 0.1 mm-10 mm. Specifically, the thickness of the composite material formed by impregnating the base material (including but not limited to organic and inorganic fiber materials such as ceramic fiber mats, pre-oxidized fiber mats, glass fiber mats and the like) and the aerogel material (including but not limited to inorganic and organic aerogels represented by SiO 2) is set according to the actual setting.

The encapsulation film 20 is preferably a polymer material. The thickness of the encapsulation film 20 in this embodiment is 0.01mm to 1mm. Specifically, the polymer material of the encapsulation film 20 includes, but is not limited to, PE/PET/PI/PVC, and the thickness thereof is set according to practice.

When the aerogel heat insulation pad is used, two packaging films 20 are packaged on the top surface and the bottom surface of the aerogel heat insulation core material 10 through a vacuum hot-pressing bonding process, then two adjacent aerogel heat insulation core materials 10 are spliced and connected through the bump structure 10a and the groove structure 10b, one end of the aerogel heat insulation core material 10 can be provided with the bump structure 10a or the groove structure 10b singly according to actual conditions, and one end of the other aerogel heat insulation core material 10 can be provided with the bump structure 10a or the groove structure 10b singly, and the aerogel heat insulation pad with the required size is spliced through a plurality of connecting blocks.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a battery aerogel heat insulating mattress that can splice, its characterized in that includes at least aerogel heat insulating core material and parcel cover the encapsulation membrane on aerogel heat insulating core material two sides, the one end of aerogel heat insulating core material is provided with a lug structure along length direction or width direction, the other end of aerogel heat insulating core material is provided with along length direction or width direction with a lug structure complex groove structure.

2. The spliced battery aerogel heat insulation pad of claim 1, wherein one end of the packaging film is provided with a protruding portion matched with the protruding block structure, and the other end of the packaging film is provided with a groove portion matched with the groove structure.

3. The batteryaerogel insulation blanket of claim 1, wherein the bump structures and the groove structures are sized to correspond and are oriented in the same direction as the groove structures.

4. The spliceable battery aerogel insulation blanket of claim 1, wherein the bump structure and the groove structure have a length and width of 5mm to 100mm.

5. The assembled aerogel insulation blanket of claim 1 wherein two adjacent aerogel insulation cores are assembled and connected by a bump structure and a groove structure.

6. The spliceable battery aerogel insulation pad of claim 1, wherein the aerogel insulation core is an aerogel composite.

7. The spliceable battery aerogel insulation blanket of claim 6, wherein the aerogel composite is a composite of a substrate and aerogel material by impregnation.

8. The spliceable battery aerogel insulation blanket of claim 6, wherein the aerogel composite has a thickness of 0.1mm to 10mm.

9. The spliceable battery aerogel insulation blanket of claim 1, wherein the encapsulation film is a polymeric material.

10. The spliceable battery aerogel insulation blanket of claim 1, wherein the encapsulation film has a thickness of 0.01mm to 1mm.