Switchable tribo-electromagnetic composite generator based on magnetic-spring dynamic coupling for low-velocity flow energy harvesting

Key Points

• The aim is to develop a hybrid generator that efficiently switches between two energy harvesting mechanisms.
• Developed a magnetic-wheel-spring hybrid design.
• Enabled switching between triboelectric and electromagnetic energy harvesting mechanisms.
• Tested generator performance across a range of flow velocities.
• Achieved continuous energy harvesting in low to high flow velocities.
• Maintained efficiency during transitions between energy harvesting modes.