Heat insulation aerogel structure applied to new energy system

By using aerogel fiberglass insulation sheets and a buffer spring assembly in the new energy system, the problems of heat transfer and expansion stress between battery cells are solved, achieving efficient thermal management and structural stability, and improving the reliability and lightweight of the system.

CN223858242UActive Publication Date: 2026-01-30SHENZHEN BUNNY ATYLE NEW MATERIALS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520030151.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2026-01-30
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

The problem of stress and residual heat accumulation caused by heat transfer and thermal expansion between battery cells in new energy systems, which damages the battery cell structure, has not been effectively solved.

Method used

Aerogel fiberglass insulation sheets, including longitudinal and transverse aerogel fiberglass insulation sheets and buffer spring assemblies, are added between the battery cells to form a heat insulation and buffer structure that absorbs and alleviates the thermal expansion stress of the battery cells.

Benefits of technology

It effectively reduces heat transfer between battery cells, prevents damage due to thermal expansion, improves system reliability and lifespan, and reduces system weight and density.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223858242U_ABST
    Figure CN223858242U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of heat insulation of new energy systems, and discloses a heat insulation aerogel structure applied to a new energy system, which comprises a battery cell, a battery module and a heat insulation buffer structure, the battery module consists of a plurality of battery cells, and the heat insulation buffer structure is arranged in the battery module; the plurality of battery modules are uniformly arranged in the shell along the left side and the right side, and are respectively fixed in the shell; and the longitudinal aerogel glass fiber heat insulation sheets are vertically arranged between the adjacent battery modules and are fixedly connected with the adjacent battery modules respectively. Compared with the prior art, the aerogel battery has the advantages that the battery cells are connected by adopting the aerogel, the aerogel has extremely low thermal conductivity and excellent heat resistance, high-efficiency thermal management is realized under a high-density battery cell packaging condition, the aerogel has flexibility and pressure resistance, the integrity of a physical structure can be kept, and meanwhile, the battery cells can be effectively packaged. The battery cell is effectively prevented from being damaged due to thermal expansion and is safer and more reliable to use.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy system heat insulation technical field, specifically point to a kind of heat-insulating aerogel structure applied to new energy system. BACKGROUND

[0002] Aerogel is a kind of lightweight solid material with nano colloidal particles aggregated to form nano skeleton and nano porous network structure, with extremely high porosity, extremely low density, extremely high specific surface area, ultra-high pore volume rate, high temperature resistance, thermal resistance, high elasticity, strong adsorption and catalysis and other characteristics. These characteristics of aerogel make it have wide application potential in many fields.

[0003] In new energy system, the cell generates heat when in use, which is transferred to the surrounding cells, and as the temperature rises, the cell will expand, generating a lot of stress and heat inside the battery module, damaging or damaging itself. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the above technical difficulties, and provide a heat-insulating aerogel structure applied to new energy system, which adds aerogel glass fiber heat insulation sheet between the cells to reduce the mutual heat transfer between the cells, and absorbs and relieves the stress generated by the cell expansion.

[0005] To solve the above technical problems, the technical scheme provided by the utility model is:

[0006] A heat-insulating aerogel structure applied to new energy system, comprising a cell, further comprising:

[0007] A battery module and a heat-insulating buffer structure; the battery module is composed of a plurality of cells, and the heat-insulating buffer structure is arranged in the battery module;

[0008] A housing, the battery module is evenly arranged in the housing along the left and right, and is fixed in the housing respectively;

[0009] A longitudinal aerogel glass fiber heat insulation sheet is vertically arranged between adjacent battery modules, and is connected and fixed with adjacent battery modules respectively.

[0010] As an improvement, the heat-insulating buffer structure comprises a transverse aerogel glass fiber heat insulation sheet, a buffer spring group and a sliding groove; the sliding groove is a U-shaped plate body structure with the opening facing upward, and the cell is matched with the sliding groove and is slidingly arranged in the sliding groove; the transverse aerogel glass fiber heat insulation sheet is a square plate body structure, and the transverse aerogel glass fiber heat insulation sheet is connected and fixed between part of adjacent cells, and the buffer spring group is arranged between the remaining adjacent cells.

[0011] As improvement, the buffer spring set comprises a support plate and a spring; the support plate is provided with a pair of mirror images between adjacent battery cells, and the two support plates are fixed at the bottom of the side wall of the two battery cells, and the two support plates are connected together through the spring, and the spring is uniformly provided with a plurality of springs on the support plate.

[0012] As improvement, the transverse aerogel glass fiber heat insulation sheet and the longitudinal aerogel glass fiber heat insulation sheet are respectively elastic structures, and have a certain elasticity.

[0013] The utility model has the advantages that compared with prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses aerogel is connected to the battery cell, and aerogel has very low thermal conductivity and excellent heat resistance, ensures that efficient heat management is realized under the high-density battery cell packaging condition.

[0015] 2、The utility model discloses aerogel is connected to the battery cell, and aerogel has flexibility and pressure resistance, can provide support force and fixed effect for adjacent battery cells, maintains the integrity of physical structure, and cooperates with the buffer spring set to buffer and absorb the thermal expansion of the battery cell, effectively prevents the battery cell from being damaged due to thermal expansion, improves the reliability and service life of the whole system, and is safer and more reliable to use.

[0016] 3、The utility model discloses aerogel is connected to the battery cell, and the density of aerogel material is very low, can significantly reduce the weight of the whole system, makes the whole battery lighter, and is more suitable. DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of the utility model.

[0018] Figure 2 It is the structure development schematic diagram of the utility model.

[0019] Figure 3 It is the structure schematic diagram of the battery module of the utility model.

[0020] Figure 4 It is the structure schematic diagram of the buffer spring set of the utility model.

[0021] As shown in the drawing: 1, shell, 2, battery cell, 3, longitudinal aerogel glass fiber heat insulation sheet, 4, transverse aerogel glass fiber heat insulation sheet, 5, sliding groove, 6, buffer spring set, 7, support plate, 8, spring. CONCRETE IMPLEMENTATION

[0022] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "transverse", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more. In addition, the term "includes" and any variations thereof are intended to cover non-exclusive inclusion.

[0023] The utility model will be further described in detail below with reference to the drawings.

[0024] A kind of heat-insulating aerogel structure applied to new energy system, as shown in Figure Figure 1 It includes battery module, heat-insulating buffer structure, longitudinal aerogel glass fiber heat-insulating sheet 3 and shell 1.

[0025] Battery module, as shown in Figure Figure 3 It is composed of 10 battery cells 2 and heat-insulating buffer structure, wherein the heat-insulating buffer structure includes transverse aerogel glass fiber heat-insulating sheet 4, buffer spring group 6 and sliding slot 5;Sliding slot 5 is a U-shaped plate body structure with the opening facing upwards, and the ten battery cells 2 are respectively matched with sliding slot 5 and slidingly arranged in sliding slot 5, and transverse aerogel glass fiber heat-insulating sheet 4 is an elastic structure body, with a specification of 205mm×174mm×2mm, and 4 are arranged between the ten battery cells 2 (8 battery cells 2 in each group, and each group of two battery cells 2 is connected and fixed together by transverse aerogel glass fiber heat-insulating sheet 4), and the remaining part is provided with buffer spring group 6 between adjacent battery cells 2, as shown in Figure Figure 4 Buffer spring group 6 includes support plate 7 and spring 8;One pair of support plates 7 are mirror-imaged arranged between adjacent battery cells 2, and the two support plates 7 are fixed at the bottom of the side wall of the two side battery cells 2, and the two support plates 7 are connected together by spring 8, and six springs 8 are evenly arranged between the two support plates 7, when the battery cells 2 are heat-expanded, transverse aerogel glass fiber heat-insulating sheet 4 and buffer spring group 6 are compressed, and each battery cell 2 slides in sliding slot 5.

[0026] As shown in Figure Figure 2As shown, the battery modules are evenly arranged in six groups in the shell 1 along the left and right, and after the battery modules are fixed in the shell 1, the adjacent two sliding grooves 5 are adhered together, and the longitudinal aerogel fiberglass heat insulation sheets 3 are vertically arranged between the adjacent battery modules, and the longitudinal aerogel fiberglass heat insulation sheets 3 are respectively connected and fixed with the adjacent battery modules, the longitudinal aerogel fiberglass heat insulation sheets 3 are elastic structures, and the specific specifications are 720mm*205mm*2mm.

[0027] In the specific implementation of the embodiment:

[0028] When the battery cell 2 releases heat, the heat is blocked by the longitudinal aerogel fiberglass heat insulation sheet 3 and the transverse aerogel fiberglass heat insulation sheet 4, so that it cannot be transmitted to the adjacent battery cell 2, and the heat is discharged through the reserved heat dissipation channel.

[0029] When the battery cell 2 is heat-expanded, the transverse aerogel fiberglass heat insulation sheet 4 and the buffer spring group 6 are compressed, and each battery cell 2 slides in the sliding groove 5, thereby reducing the stress generated by the mutual extrusion of the battery cell 2 after heat expansion, and preventing the battery cell from being damaged due to heat expansion.

[0030] The above describes the utility model and its implementation, which is not limited, and the drawings shown are only one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the creative purpose of the utility model, without creative design, similar structure and embodiments of the technical scheme should belong to the protection scope of the utility model.

Claims

1. A thermal insulation aerogel structure applied to a new energy system, comprising a battery cell (2), characterized in that, Also include: Battery module and heat insulation buffer structure; The battery module is composed of a plurality of battery cells (2), and the heat insulation buffer structure is arranged in the battery module; The shell (1) is uniformly arranged with a plurality of battery modules in the shell (1), and is fixed in the shell (1) respectively; The longitudinal aerogel glass fiber heat insulation sheet (3) is vertically arranged between adjacent battery modules, and is connected and fixed with adjacent battery modules respectively.

2. The thermal insulation aerogel structure for new energy system according to claim 1, characterized in that: The heat insulation buffer structure includes a transverse aerogel glass fiber heat insulation sheet (4), a buffer spring group (6) and a sliding groove (5); the sliding groove (5) is a U-shaped plate body structure with the opening facing upward, and the battery cell (2) is matched with the sliding groove (5) and is slidingly arranged in the sliding groove (5); the transverse aerogel glass fiber heat insulation sheet (4) is a square plate body structure, and a part of adjacent battery cells (2) are connected and fixed with the transverse aerogel glass fiber heat insulation sheet (4), and the remaining part of adjacent battery cells (2) are provided with the buffer spring group (6).

3. The thermal insulation aerogel structure for new energy system according to claim 2, characterized in that: The buffer spring group (6) includes a support plate (7) and a spring (8); the support plate (7) is mirror image arranged with a pair of support plates (7) between adjacent battery cells (2), and the two support plates (7) are fixed at the bottom of the side wall of the two battery cells (2), respectively; the two support plates (7) are connected together by the spring (8), and the spring (8) is uniformly provided with a plurality of springs (8) on the support plate (7).

4. The aerogel structure for thermal insulation applied to a new energy system according to claim 2, characterized in that: The transverse aerogel glass fiber heat insulation sheet (4) is an elastic structure.

5. The aerogel structure for thermal insulation applied to a new energy system according to claim 2, characterized in that: The two adjacent sliding grooves (5) are mutually adhered together.