Discourses of carbon neutrality and imaginaries of urban futures. The energy transition towards carbon-neutrality:Lessons learned from the case of roeselare, belgium. Energy transition and carbon neutrality: Exploring the non-linear impact of renewable energy development on carbon emission efficiency in developed countries. This work also provides a way for self-powered system based on the TENG and soft bionic fish in water environment.ĭong, F. In demonstration, the TE-SFT is applied to power the temperature and humidity sensor through harvesting water flow energy. Additionally, after 30 days of water immersion, the V OC of TE-SFT retains 96.81%. The TE-SFT attains an open-circuit voltage ( V OC) of 200 V to 313 V at the flow velocities of 0.24 to 0.89 m/s.
Under the FIV effect, the TE-SFT driven by fishtail-shaped bluff body swings like a fish in the water and then brings the inertial pendulum to acquire the oscillation for harvesting energy from low-velocity water flow. In power generation part, the triboelectric nanogenerator (TENG) is designed to act as an inertial pendulum structure by geometric method. Specifically, inspired by the fishtail fin, a bluff body with the cross-section of fishtail-shaped is designed, and has a preferable vortex effect by fluid simulation. Herein, a triboelectric soft fishtail (TE-SFT) driven by flow-induced vibration (FIV) effect is proposed based on the soft material synthesis technology. To adapt to the low-velocity water flow closely related to human life, the natural energy can be efficiently harvested and used to power monitoring devices.