NASA Fuel Cell and Hydrogen Activities

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NASA Fuel Cell and Hydrogen Activities ( nasa-fuel-cell-and-hydrogen-activities )

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Primary Power Discharge Power Only Description • Energy conversion system that supplies electricity to customer system • Operation limited by initial stored energy Examples • Nuclear (e.g. RTG, KiloPower) • Primary Batteries • Primary Fuel Cells NASA Applications: Missions without access to continuous power (e.g. PV) • All NASA applications require electrical power • Each primary power solution fits a particular suite of NASA missions Energy Storage Charge + Store + Discharge Description • Stores excess energy for later use • Supplies power when baseline power supply (e.g. PV) is no longer available • Tied to external energy source Examples • Rechargeable Batteries • Regenerative Fuel Cells NASA Applications: Ensuring Continuous Power • Satellites (PV + Battery) • ISS (PV + Battery) • Surface Systems (exploration platforms, ISRU, crewed) • Platforms to survive Lunar Night Commodity Generation Chemical Conversion Description • Converts supplied chemical feedstock into useful commodities • Requires external energy source (e.g. thermal, chemical, electrical, etc.) Examples • ISS Oxygen Generators (OGA, Elektron) • ISRU Propellant Generation NASA Applications: Life-support, ISRU • Oxygen Generation • Propellant Generation • Material Processing • Recharging Regenerative Fuel Cells Electrochemical System Definitions 5

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NASA Fuel Cell and Hydrogen Activities

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