Lignocellulosic Biomass for the Fabrication of Triboelectric Nano-Generators (TENGs)—A Review

Omar P. Troncoso, Jim I. Corman-Hijar, Fernando G. Torres

Research output: Contribution to journalReview articlepeer-review

Abstract

Growth in population and increased environmental awareness demand the emergence of new energy sources with low environmental impact. Lignocellulosic biomass is mainly composed of cellulose, lignin, and hemicellulose. These materials have been used in the energy industry for the production of biofuels as an eco-friendly alternative to fossil fuels. However, their use in the fabrication of small electronic devices is still under development. Lignocellulose-based triboelectric nanogenerators (LC-TENGs) have emerged as an eco-friendly alternative to conventional batteries, which are mainly composed of harmful and non-degradable materials. These LC-TENGs use lignocellulose-based components, which serve as electrodes or triboelectric active materials. These materials can be derived from bulk materials such as wood, seeds, or leaves, or they can be derived from waste materials from the timber industry, agriculture, or recycled urban materials. LC-TENG devices represent an eco-friendly, low-cost, and effective mechanism for harvesting environmental mechanical energy to generate electricity, enabling the development of self-powered devices and sensors. In this study, a comprehensive review of lignocellulosic-based materials was conducted to highlight their use as both electrodes and triboelectric active surfaces in the development of novel eco-friendly triboelectric nano-generators (LC-TENGs). The composition of lignocellulose and the classification and applications of LC-TENGs are discussed.

Original languageEnglish
Article number15784
JournalInternational Journal of Molecular Sciences
Volume24
Issue number21
DOIs
StatePublished - Nov 2023

Keywords

  • TENGs
  • lignocellulose
  • self-powered devices
  • sensors
  • triboelectric nanogenerators
  • waste materials

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