一种用于电池的隔热绝缘材料
By designing a composite layered structure, utilizing a glass fiber reinforced polyether ether ketone support skeleton layer, an aramid fiber cloth layer coated with boron nitride coating, a ceramic fiber matrix paraffin-based composite phase change heat insulation layer, and an aluminized polyimide thin film reflective layer, the problem of poor heat insulation effect of a single insulating layer in batteries is solved, achieving a highly efficient improvement in heat insulation performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG HUAYU UNIV OF TECH
- Filing Date
- 2025-06-12
- Publication Date
- 2026-07-17
AI Technical Summary
The single insulating layer of existing batteries cannot meet the heat insulation requirements, and the heat insulation effect needs to be improved.
It adopts a composite layered structure, including a support skeleton layer, a phase change insulation layer, a thermally conductive insulation layer and a reflective insulation layer. The support skeleton layer is made of glass fiber reinforced polyether ether ketone composite material, the thermally conductive insulation layer includes an aramid fiber cloth layer coated with boron nitride coating, the phase change insulation layer uses a ceramic fiber matrix paraffin-based composite material, and the reflective insulation layer uses aluminized polyimide film material.
It significantly improves the battery's thermal insulation performance. The supporting skeleton layer has a high thermal deformation temperature, the thermally conductive insulation layer has excellent thermal conductivity, the phase change insulation layer absorbs heat in a specific temperature range, and the reflective insulation layer has high infrared reflectivity, resulting in a greatly improved overall thermal insulation effect.
Smart Images
Figure CN224510615U_ABST
Abstract
Claims
1. A thermal insulation material for a battery, characterized by: The support frame layer (1) includes a phase change heat insulation layer (2) on one side of the support frame layer (1), a thermally conductive insulation layer (3) on one side of the phase change heat insulation layer (2), a reflective heat insulation layer (4) on the other side of the support frame layer (1), and honeycomb-shaped through holes arrayed on the support frame layer (1). The thermally conductive insulation layer (3) includes an aramid fiber cloth layer (5) placed on one side of the phase change heat insulation layer (2), and the outer surface of the aramid fiber cloth layer (5) is coated with a boron nitride coating (6).
2. A thermal insulation material for a battery according to claim 1, characterized in that: The supporting skeleton layer (1) is made of glass fiber reinforced polyether ether ketone composite material.
3. A thermal insulation material for a battery according to claim 1, characterized in that: The thickness of the thermally conductive insulating layer (3) is 0.15-0.25 mm, the thickness of the phase change heat insulation layer (2) is 1-1.5 mm, and the thickness of the reflective heat insulation layer (4) is 0.3-0.5 mm.
4. A thermal insulation material for a battery according to claim 1, characterized in that: The phase change insulation layer (2) is made of ceramic fiber matrix material, and the ceramic fiber matrix is filled with paraffin-based composite material.
5. A thermal insulation material for a battery according to claim 1, characterized in that: The reflective heat insulation layer (4) is made of aluminum-plated polyimide film material.
6. A thermal insulation material for a battery according to claim 1, characterized in that: The diameter of the through holes in the honeycomb is 2-5 mm, and the density is 30-50 per dm 2 .