Battery module and a method for cooling a battery module of an electric vehicle
Provided in this disclosure is a battery module with a cooling plate and a firewall. Battery modules may include a firewall located proximal to the plurality of battery cells and configured to absorb heat from the battery cells. Firewall may include a stack of materials. Battery module may include a cooling plate between rows of battery cells configured to cool the battery cells.
1. A battery module for an electric aircraft comprising:
a plurality of battery cells, wherein the plurality of battery cells is configured to provide energy to an electric vehicle;
a cooling plate located between the plurality of battery cells and configured to decrease a temperature of the plurality of battery cells; and
a firewall comprising:
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 a first stack of materials, the first 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 portion 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.
2. The battery module of claim 1 , wherein the cooling plate comprises a cooling tube.
3. The battery module of claim 2 , wherein the cooling tube is configured to facilitate a flow of fluid between the plurality of battery cells.
4. The battery module of claim 1 , wherein the firewall is arranged to intercept ejecta emitted from the plurality of battery cells.
5. The battery module of claim 1 , wherein the plurality of battery cells comprises pouch cells.
6. The battery module of claim 1 , wherein the first stack of materials comprises an insulative material.
7. The battery module of claim 1 , wherein the first stack of materials comprises at least a ballistic material.
8. The battery module of claim 1 , wherein the electric vehicle comprises an electric vertical takeoff and landing (eVTOL) aircraft.
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.
10. The method of claim 9 , wherein the cooling plate comprises a cooling tube.
11. The method of claim 10 , further comprising facilitating, by the cooling tube, a flow of fluid between the plurality of battery cells.
12. The method of claim 9 , further comprising intercepting, by the firewall, ejecta debris.
13. The method of claim 9 , wherein the plurality of battery cells comprises pouch cells.
14. The method of claim 9 , wherein the first stack of materials comprises an insulative material.
15. The method of claim 9 , wherein the first stack of materials comprises at least a ballistic material.
16. The method of claim 9 , wherein the electric vehicle comprises an electric vertical takeoff and landing (eVTOL) aircraft.
17. The battery module of claim 1 , wherein the first stack of materials comprises a non-flammable material.
18. The method of claim 9 , wherein the first stack of materials comprises a non-flammable material.
19. The battery module of claim 1 , wherein the plurality of battery cells comprise a cylindrical shape.
20. The battery module of claim 19 , wherein the cooling plate is in direct contact with at least a battery cell of the plurality of battery cells.