1.5.4    Beamed Energy / Energy Addition

1.5.5    Nuclear

1.5.6    High Energy Density Materials/Propellants

TA02 In-Space Propulsion Technologies

2.1    Chemical Propulsion

2.1.1    Liquid Storable

2.1.2    Liquid Cryogenic

2.1.3    Gels

2.1.4    Solid

2.1.5    Hybrid

2.1.6    Cold Gas/Warm Gas

2.1.7    Micro-propulsion

2.2    Non-Chemical Propulsion

2.2.1    Electric Propulsion

2.2.2    Solar Sail Propulsion

2.2.3    Thermal Propulsion

2.2.4    Tether Propulsion

2.3    Advanced (TRL <3) Propulsion Technologies

2.3.1    Beamed Energy Propulsion

2.3.2    Electric Sail Propulsion

2.3.3    Fusion Propulsion

2.3.4    High Energy Density Materials

2.3.5    Antimatter Propulsion

2.3.6    Advanced Fission

2.3.7    Breakthrough Propulsion

2.4    Supporting Technologies

2.4.2    Propellant Storage and Transfer

TA03 Space Power and Energy Storage

3.1    Power Generation

3.1.1    Energy Harvesting

3.1.2    Chemical (Fuel Cells, Heat Engines)

3.1.3    Solar (Photo-Voltaic and Thermal)

3.1.4    Radioisotope

3.1.5    Fission

3.1.6    Fusion

3.2    Energy Storage

3.2.1    Batteries

3.2.2    Flywheels

3.2.3    Regenerative Fuel Cells

3.2.4    Electric and Magnetic Field Storage

3.2.5    Thermal Storage

3.3    Power Management and Distribution

3.3.1    Fault Detection, Isolation, and Recovery (FDIR)

3.3.2    Management and Control

3.3.3    Distribution and Transmission

3.3.4    Wireless Power Transmission

3.3.5    [Power] Conversion and Regulation



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