Patent ID: 11936063
Assignee: BETA AIR LLC
Field: Transport (Mechanical engineering)
Classification: CPC H  B  Y | IPC B  H

Claim 8:
9. A method for containing a battery module of an electric vehicle, the method comprising:
providing energy, by a battery module comprising a plurality of battery cells, to an electric vehicle;
decreasing, by a cooling plate located between the plurality of battery cells, a temperature of the plurality of battery cells; and
containing heat, by a firewall located proximal to the plurality of battery cells, from the battery cells, wherein the firewall comprises:
a first firewall portion, wherein the first firewall portion is located proximal to a top portion of the plurality of battery cells and configured to contain heat from the plurality of battery cells, and wherein the first firewall portion comprises a first number of layers in first a stack of materials, the stack of materials comprising:
an inner layer of ablative material positioned directly adjacent to the plurality of battery cells; and

a second firewall portion, wherein the second firewall portion is located proximal to a bottom portion of the plurality of battery cells, wherein the second firewall comprises a second number of layers in a second stack of materials, and wherein the second number of layers is less than the first number of layers.