Toward Battery-Free Sensing: A Comparative Overview of TENG-Based Gas Sensor Mechanisms. International Journal of Advance Scientific Research, [S. l.], v. 5, n. 08, p. 1–9, 2025. Disponível em: https://sciencebring.com/index.php/ijasr/article/view/962. Acesso em: 2 aug. 2025.