Advent SPAC Presentation Deck

Next Generation Technology Accelerates Clean Energy Transition Need for Power max Wh/kg 5000-10000Wh/kg 500-1000Wh/kg Idle most of the time Easy to refill Small battery -100-200Wh/kg 2hrs autonomy BATTERY EV Possible to do EV only, but fuel cell hybrid is more practical and still electric 4hrs I Fuel cells solve for issues that cannot be solved by batteries alone BATTERY + FUEL CELL HYBRID www.advent.energy 8hrs True net-zero (not grid-dependent) with green fuels continuously, 000 oo 12hrs+ Operates many hours impossible to have large battery, weight and volume limitations FUEL CELL * Need for Range max km fast refill AMCI ADVENT Acquisition Corp. 21

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