• Comprehensive evaluation of TENGs for various space environments, highlighting their potential to overcome limitations of conventional energy sources.
• TENGs serve multifunctional roles beyond energy harvesting, including self-powered sensing and structural health monitoring in space missions.
• Integration of TENGs with existing energy systems can enhance efficiency, sustainability, and mission duration in space exploration.
• Future roadmap for TENG utilization in space exploration is outlined, addressing practical implementation challenges and possible solutions.