Battery pack for electric vertical take-off and landing aircraft
Certain aspects relate to a battery pack for electric vertical take-off and landing aircraft. Exemplary battery pack includes a first pouch cell, a second pouch cell, at least a sensor, where the at least a sensor is configured to sense battery pack data and transmit the battery pack data to a data storage system, and a vent configured to vent the ejecta from the first pouch cell. In some embodiments, battery pack may be configured to power at least a propulsor component.
1. A battery pack for an electric vertical take-off and landing aircraft comprising:
a first pouch cell, wherein the first pouch cell comprises:
at least an outer coating wherein the outer coating further comprises a metalized coating containing at least one of aluminum and nickel;
at least a first pair of electrodes;
at least a first pair of foil tabs electrically connected to the first electrodes;
at least a first insulator layer located substantially between the at least a first pair of foil tabs;
a first pouch substantially encompassing the at least a first pair of foil tabs and the at least a first insulator layer; and
a first electrolyte within the first pouch;
a second pouch cell disposed adjacent to the first pouch cell on a first side of the first pouch cell;
at least a sensor configured to:
sense battery pack data; and
transmit the battery pack data to a data storage system; and
a vent on a second side of the first pouch cell configured to vent the ejecta from the first pouch cell in a direction away from the second pouch cell, wherein the battery pack is configured to power at least a propulsor component.
2. The battery pack of claim 1 , wherein the at least a sensor comprises a moisture sensor.
3. The battery pack of claim 1 , further comprising:
the second pouch cell, wherein the second pouch cell comprises:
at least a second pair of electrodes;
at least a second pair of foil tabs electrically connected to the second electrodes;
at least a second insulator layer located substantially between the at least a second pair of foil tabs;
a second pouch substantially encompassing the at least a second pair of foil tabs and the at least a second insulator layer; and
a second electrolyte within the second pouch.
4. The battery pack of claim 2 , wherein the vent is further configured to vent the ejecta from the first pouch cell along a flow path that does not intersect with a surface of the second pouch cell.
5. The battery pack of claim 1 , wherein the vent comprises a check valve.
6. The battery pack of claim 5 , wherein the check valve comprises a mushroom poppet valve.
7. The battery pack of claim 1 , wherein the vent comprises a seam of the first pouch.
8. The battery pack of claim 1 , wherein the at least a propulsor component comprises a motor drive.
9. The battery pack of claim 1 , wherein the at least a sensor is configured to detect cell failure.
10. The battery pack of claim 9 , wherein the at least a sensor comprises a gas sensor.
11. A method of manufacturing a battery pack for an electric vertical take-off and landing aircraft comprising:
receiving a first pouch cell, wherein the first pouch cell comprises:
at least an outer coating wherein the outer coating further comprises a metalized coating containing at least one of aluminum and nickel;
at least a first pair of electrodes;
at least a first pair of foil tabs electrically connected to the first electrodes;
at least a first insulator layer located substantially between the at least a first pair of foil tabs;
a first pouch substantially encompassing the at least a first pair of foil tabs and the at least a first insulator layer; and
a first electrolyte within the first pouch;
receiving a second pouch cell disposed adjacent to the first pouch cell on a first side of the first pouch cell;
installing at least a sensor configured to:
sense battery pack data; and
transmit the battery pack data to a data storage system;
configuring a vent on a second side of the first pouch cell configured to vent the ejecta from the first pouch cell in a direction away from the second pouch cell; and
configuring the battery pack to power at least a propulsor component.
12. The method of claim 11 , wherein the at least a sensor comprises a moisture sensor.
13. The method of claim 11 , further comprising:
receiving the second pouch cell, wherein the second pouch cell comprises:
at least a second pair of electrodes;
at least a second pair of foil tabs electrically connected to the second electrodes;
at least a second insulator layer located substantially between the at least a second pair of foil tabs;
a second pouch substantially encompassing the at least a second pair of foil tabs and the at least a second insulator layer; and
a second electrolyte within the second pouch.
14. The method of claim 12 , further comprising configuring the vent to vent the ejecta from the first pouch cell along a flow path that does not intersect with a surface of the second pouch cell.
15. The method of claim 11 , wherein the vent comprises a check valve.
16. The method of claim 14 , wherein the check valve comprises a mushroom poppet valve.
17. The method of claim 11 , wherein the vent comprises a seam of the first pouch.
18. The method of claim 11 , wherein the at least a propulsor component comprises a motor drive.
19. The battery pack of claim 11 , wherein the at least a sensor is configured to detect cell failure.
20. The battery pack of claim 19 , wherein the at least a sensor comprises a gas sensor.