Lithium-Ion Battery Lockers
The Lithium-Ion Battery Charging and Storage Locker was designed to house and store a variety of Lithium-Ion aircraft batteries of various types, sizes, and shapes. Two tests were conducted for this qualification: 75 minutes at an average of 80 kW heat flux, and a further extreme ‘overtest’ for 8 minutes at an average 207 kW heat flux.
The system exceeded expectations at 80 kW and again at 207 kW, which is >250% above the average heat flux the Li-ion battery can generate under ‘Heat Excursion’ conditions. The temperature in the other adjacent compartments only reached 19.5°C (67°F) at the highest point during the first test. The 2nd ‘overtest’ again revealed excellent thermal properties with the maximum temperature of 33°C (91°F) recorded in adjacent compartments – some 82°C (180°F) below the test acceptance criteria.
The outside of the cabinet was cool to the touch during testing and the system remained fully functional post-test.