Electrospun nanofiber based TENGs for wearable electronics and self-powered sensing

•A summarized view of the triboelectric polymers in electrospinning is presented.•Different strategies to prepare electrospinning based TENGs are detailed.•Promising applications in wearable electronics are discussed in detail.•Self-powered active sensors based on electrospun-TENGs are discussed.•Challenges and future perspectives of electrospun-TENGs are presented.