PERFORATION APPARATUS AND METHOD FOR ELECTRIC VEHICLE BATTERY ENCLOSURE

摘要

A perforation tool for a battery enclosure system of a vehicle battery pack, comprising: an engaging tip configured to mechanically breach a thermal-control-agent-retaining enclosure of a traction battery pack including a plurality of interconnected batteries with the enclosure reinforced for mechanical protection of the batteries when installed in an electric vehicle; a port for receiving a thermal-control agent having a pressure in a range of about 5-100 psi; and a housing, coupled to the tip and to the port, wherein the tip includes an aperture and wherein the housing includes a channel communicating the port to the aperture wherein the pressurized thermal-control agent is produced at the tip at about the pressure.