Vigilancia Tecnológica

This study introduces advancements in triboelectric nanogenerators (TENGs) utilizing biopolymers for sustainable energy solutions. The study encapsulates the multifaceted role of biopolymers and biomimetic technique in TENGs, highlighting their intrinsic properties that contribute to the innovation of self?powered systems. The exploration of these renewable materials underscores a significant step toward green energy, aligning with the global goals sustainable technologies.Triboelectric nanogenerators (TENGs) play a crucial role in attaining sustainable energy for various wearable devices. Polymer materials are essential components of TENGs. Biopolymers are suitable materials for TENGs because of their degradability, natural sourcing, and cost?effectiveness. Herein, the latest progress in commonly used biopolymers and well?designed biomimetic techniques for TENG is summarized. The applications of natural rubber, polysaccharides, protein?based biopolymers, and other common synthetic biopolymers in TENG technology are summarized in detail. Each biopolymer is discussed based on its electrification capability, polarity variations, and specific functionalities as active and functional layers of TENGs. Important biomimetic strategies and related applications of specific biopolymers are also summarized to guide the structural and functional design of TENG. In the future, the study of triboelectric biopolymers may focus on exploring alternative candidates, enhancing charge density, and expanding functionality. Various possible applications of biopolymer?based TENGs are proposed in this review. By applying biopolymers and related biomimetic methods to TENG devices, the applications of TENG in the fields of healthcare, environmental monitoring, and wearable/implantable electronics can be further promoted.