Packaging and heat dissipation device for energy storage elements

Abstract

A heat dissipation packaging device for an energy storage element includes a base plate, a first high thermal conductivity composite insulating material layer, an energy storage unit, a second high thermal conductivity composite insulating material layer, and a top cover. The first high thermal conductivity composite insulating material layer is disposed on the base plate and serves both electrical insulation and thermal conduction functions. The energy storage unit consists of multiple energy storage cells. The second high thermal conductivity composite insulating material layer is located on top of the energy storage unit. The top cover is connected to the base plate, defining the accommodating space, and is in contact with the second high thermal conductivity composite insulating material layer for thermal conduction. This device integrates bidirectional thermal conduction and full-layer insulation protection, solving the existing problem of balancing heat dissipation and insulation, and improving the operational safety and heat dissipation efficiency of the energy storage element.

Claims

1. A packaged heat dissipation device for an energy storage element, comprising: One base plate; A first high thermal conductivity composite insulating material layer is disposed on the base plate, which has both electrical insulation and thermal conduction functions; An energy storage unit comprising at least one energy storage cell electrically connected to each other, the energy storage unit being disposed on a first high thermal conductivity composite insulating material layer, each energy storage cell having a top surface and a bottom surface; a second high thermal conductivity composite insulating material layer disposed on the energy storage unit, the top surface of each energy storage cell facing the second high thermal conductivity composite insulating material layer; and a top cover made of a high thermal conductivity material, the top cover being connected to the bottom plate and jointly defining an accommodating space, the energy storage unit, the first high thermal conductivity composite insulating material layer, and the second high thermal conductivity composite insulating material layer being accommodated within the accommodating space, and the top cover being in contact with the second high thermal conductivity composite insulating material layer to dissipate heat outward.

2. The heat dissipation device for the energy storage element as described in claim 1 further includes: A printed circuit board is disposed between the first high thermal conductivity composite insulating material layer and the energy storage group, and is used to electrically connect the energy storage units to each other.

3. The packaged heat dissipation device for the energy storage element as described in claim 1, wherein each of the energy storage units is a cylindrical supercapacitor or an energy storage battery containing electrolyte.

4. The encapsulation and heat dissipation device for the energy storage element as described in claim 1, wherein the top surfaces of each of the energy storage units form a common plane, and the two opposite sides of the second high thermal conductivity composite insulating material layer are respectively in close contact with the common plane and the inner surface of the top cover.

5. The encapsulation and heat dissipation device for the energy storage element as described in claim 1, wherein the second high thermal conductivity composite insulating material layer is a composite material of glass fiber and thermally conductive adhesive, which has the functions of structural support, electrical insulation and thermal conduction.

6. The encapsulation and heat dissipation device for the energy storage element as described in claim 1, wherein the upper cover is made of a high thermal conductivity material such as aluminum alloy, copper alloy, or thermally conductive plastic.

7. The encapsulation and heat dissipation device for the energy storage element as described in claim 1, wherein the first high thermal conductivity composite insulating material layer completely covers the corresponding area of ​​the base plate and blocks electrical contact between the energy storage unit and the base plate.

8. The packaged heat dissipation device for the energy storage element as described in claim 1, further comprising: A base plate heat dissipation module is installed on the underside of the base plate, wherein the underside of the base plate has multiple base plate assembly holes, and the base plate heat dissipation module is an air-cooled heat dissipation module or a liquid-cooled heat dissipation module.

9. The packaged heat dissipation device for the energy storage element as described in claim 1, further comprising: A heat dissipation module is installed on the upper side of the cover, wherein the upper side of the cover has multiple cover assembly holes, and the heat dissipation module is an air-cooled heat dissipation module or a liquid-cooled heat dissipation module.

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