Patent ID: 11967693
Assignee: BETA AIR LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A battery pack for an electric aircraft comprising:
a battery module configured to house a battery unit, wherein the battery module comprises:
a plurality of battery cells, wherein each of the plurality of battery cells has a cylindrical body and opposed first and second ends; and
a cooling plate in thermal communication with the plurality of battery cells;

a firewall configured to intercept ejecta debris from the plurality of battery cells, wherein the firewall is disposed proximal and substantially parallel to the first or second ends of the battery cells;
an airgap extending between the firewall and the first or second ends of the battery cells;
a wall of the battery pack positioned adjacent to the plurality of battery cells and perpendicular to the firewall, the wall defining a headspace in fluid communication with the airgap and an ejecta vent;
wherein the airgap is configured to receive and contain a portion of the ejecta debris between the firewall and the battery cells during a thermal runaway event.