Sion Power’s EV Battery 400 Watt-hours per kilogram is a long-awaited minimum expectation for what it will take to get electric aviation off the ground. Sion Power® of Tucson, Arizona will introduce its Licerion® 17 Amp-hour pouch cells at the Battery Show North America in September – claiming to fulfill that expectation. The large-format pouch cells come in a compact 810 Watt-hours per liter size, last over 800 cycles and can be charged to 80-percent of their rated capacity in 15 minutes, according to Sion. Sion Power is shifting from its lithium-sulfur chemistry to lithium-metal technology. Their Li-S cells powered Airbus’ Zephyr® 7 HAPS (High Altitude Pseudo Satellite) to a record for continuous flight. According to Tucson Tech, “In 2014, …
