theoretical models and working mechanisms of current WD‐TENGs have been described in this chapter. The output performances of the TENGs can be improved by optimizing advanced structures and materials. Among the several structures, vibrating plate‐based structure, elasto‐aerodynamics‐based structure, and rotary‐driven mechanical structure are three popular structures. Some advanced materials, such as cellulose, superhydrophobic surfaces, and nanowires, have been used. Lastly, soma smart self‐powered devices based on WD‐TENGs are introduced to present wide application prospects.
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