Battery Technology in UAS Application Trevor Hahm.

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Presentation transcript:

Battery Technology in UAS Application Trevor Hahm

Current Binder Contents How batteries work - chemical reaction equations Specific Energy / Energy Density of various battery technologies Durability, flammability, life cycles Individual cell specifications Charging/Discharging voltage and current trends Power consumption & regeneration Conversion from convention aircraft to all electric aircraft

Quick Review: Electrical Power as Applied to Batteries

Review Continued - Charge and Discharge Rate

Battery Chemistry Technologies (Top 3) Cell TypeEnergy Density (Wh/L)Specific Energy (Wh/kg)Life Cycle (80%) Li – Poly Li – Ion Li – S Best COTS Batteries: Li-Poly

Best COTS Li-Poly Batteries (Specific Energy) Thunderpower G8 Pro Lite + 25C 7800mAh 22.2v ($335.99) Wh/kg 1.024kg = 2.255lb Provide watts continuously for 1 hour Provide 44.4 watts continuously for 3.9 hours Provide 22.2 watts continuously for 7.8 hours

Future Additions / List of Shortfalls List of vendors/suppliers List of current COTS battery packs Specific Energy historical trends in Lithium technology Predictions for 2015

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