Abstract
The development of nanogenerators (NGs) with optimal performances and functionalities requires more novel materials. Over the past decade, biopolymer nanofibers (BPNFs) have become critical sustainable building blocks in energy-related fields because they have distinctive nanostructures and properties and can be obtained from abundant and renewable resources. This review summarizes recent advances in the use of BPNFs for NG development. We will begin by introducing various strategies for fabricating BPNFs with diverse structures and performances. Then, we will systematically present the utilization of polysaccharide and protein nanofibers for NGs. We will mainly focus on the use of BPNFs to generate bulk materials with tailored structures and properties for assembling of triboelectric and piezoelectric NGs. The use of BPNFs to construct NGs for the generation of electricity from moisture and osmosis is also discussed. Finally, we illustrate our personal perspectives on several issues that require special attention with regard to future developments in this active field.
Highlights
With the fast development of modern society, the question of how to ease the increasing energy demand in various fields has become one of the most critical issues facing human beings [1,2,3,4]
We will mainly focus on the development of biopolymer nanofibers (BPNFs)-based triboelectric NGs (TENGs) and Piezoelectric NGs (PENGs)
Recent extensive research into BPNFs has demonstrated their considerable potential for use in NGs
Summary
With the fast development of modern society, the question of how to ease the increasing energy demand in various fields has become one of the most critical issues facing human beings [1,2,3,4]. Most researchers have focused on the development of BPNF-based TENGs [51, 52] or PENGs [53, 54], but there has been progress in the use of BPNFderived generators for harvesting electricity from moisture [55] and osmosis [56]. We begin with an overview of various strategies that have been used to fabricate BPNFs from different sources and the structures and characteristics of various kinds of BPNFs. we systematically summarize recent progress in the utilization of BPNFs for NGs. We will mainly focus on the development of BPNF-based TENGs and PENGs. We will discuss recent advances in the use of BPNFs for harvesting electricity from moisture and osmosis. We provide a brief summary, together with personal perspectives on the challenges facing future research
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