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Hydrogen Powered Aviation by Clean Sky
This report assesses the potential of hydrogen propulsion to reduce aviation’s climate impact. To scale H2 -powered aircraft, several technological unlocks need to happen: enhancing the overall efficiency with lighter tanks (targeting 12 kWh/kg / gravimetric index of 35%) and fuel cell systems (targeting 2 kW/kg incl. cooling), liquid hydrogen (LH2) distribution within the aircraft, turbines capable of burning hydrogen with low-NOx emissions.
Levelized Cost Of Hydrogen by Ørsted
The "Power-to-X" whitepaper by Ørstedin (2020) states that achieving cost-competitiveness for renewable hydrogen production hinges on five factors: • Capital expenditure • Efficiency of the electrolyser • Renewable power costs • Utilisation rates of the assets • Regulation ensuring a 'level playing field'