Protection of electrical components in the battery system

Abstract

The present disclosure relates to materials and systems for managing thermal runaway issues in energy storage systems. Exemplary embodiments include insulated electrical connection elements that are protected from heat, gas, and / or particulate matter.

Claims

1. It is a battery module, Multiple battery cells, A housing and housing lid for housing the plurality of battery cells, A laminated busbar including an insulating layer between the housing lid and the plurality of battery cells, Equipped with, The insulating layer includes an aerogel. The aforementioned battery module.

2. The battery module according to claim 1, further comprising a barrier layer between the plurality of battery cells and the housing lid.

3. The battery module according to claim 2, wherein the barrier layer is located between the insulating layer and the housing lid.

4. The battery module according to claim 2, wherein the barrier layer is selected from a material selected from metal foil, mica, microporous silica, ceramic fibers, mineral wool, metal, carbon, conductive polymer, or a combination thereof.

5. The battery module according to claim 1, wherein the insulating layer includes a plurality of openings, the plurality of battery cells include a plurality of terminals, and the plurality of terminals extend through the plurality of openings.

6. The battery module according to claim 1, wherein the insulating layer includes a plurality of openings, the plurality of battery cells include a plurality of ventilation holes, and the openings are aligned with the plurality of ventilation holes.

7. The battery module according to claim 1, wherein the plurality of battery cells include a plurality of vents, and the insulating layer is located between the plurality of vents and the busbar.

8. The battery module according to claim 7, wherein the insulating layer includes a plurality of openings aligned with the plurality of ventilation holes, and the plurality of ventilation holes are not aligned with the bus bar.

9. The battery module according to claim 1, wherein the insulating layer is a first insulating layer, and the battery module further includes a second insulating layer between the housing lid and the plurality of battery cells.

10. The battery module according to claim 9, further comprising a stacked busbar, wherein the stacked busbar comprises a first insulating layer, a second insulating layer, and a conductive layer between the first insulating layer and the second insulating layer.

11. The battery module according to claim 10, wherein the plurality of battery cells include a plurality of terminals, and the conductive layer extends from the first insulating layer and the second insulating layer to connect the busbar and the plurality of terminals.

12. The battery module according to claim 10, wherein the conductive layer is in contact with the second insulating layer, and the second insulating layer is compressed, and the compressed second insulating layer surrounds the conductive layer.

13. The battery module according to claim 10, wherein the first insulating layer is connected to the second insulating layer, and the conductive layer is surrounded by the first insulating layer and the second insulating layer.

14. The battery module according to claim 2, wherein the barrier layer is located between the insulating layer and the plurality of battery cells.

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