Tuesday, August 11, 2026
CATL's 350 Wh/kg aviation battery clears world-first safety test
CATL said its aviation battery system built on 350 Wh/kg prismatic cells passed a thermal-runaway propagation test in which two adjacent cells were triggered simultaneously at both the center and corners of the pack, with no propagation to other cells in any test, a result reported around August 9-10. China's CAAC was involved in manufacturing, inspection and testing of the cells, and CATL said the system is ready for mass production, with passenger eVTOL maker Autoflight, in which CATL is a strategic investor, first in line to use it.
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