Flexible neodymium iron boron/polyvinyl chloride (Nd2Fe14B/PVC) composite film based hybrid nanogenerator for efficient mechanical energy harvesting

Kun Zhao, Zhenhua Song, Wanru Sun, Wei Gao, Junhong Guo and Kewei Zhang

Energy, 2024, vol. 300, issue C

Abstract: Triboelectric-electromagnetic hybrid nanogenerator (HNG) exhibits exceptional output performance, rendering it a highly viable solution for powering tiny electronics in the foreseeable future. However, the construction of a simple structure and light weight HNG using magnetizable triboelectric materials is a highly desirable yet challenging task. Herein, we present a HNG based on flexible neodymium iron boron/polyvinyl chloride (Nd2Fe14B/PVC) composite films for efficiently harvesting mechanical energy from the environment. By embedding Nd2Fe14B powder in PVC matrix, the as-prepared Nd2Fe14B/PVC composites possess desirable triboelectricity and magnetic strength, which is advantageous in replacing traditional heavy magnets to construct a lightweight HNG with high performance. Under a force of 3.8 N and a frequency of 2.1 Hz, the triboelectric nanogenerator (TENG) produces an output power of 4.5 mW at a loading resistance of 5 MΩ, while the electromagnetic generator (EMG) generates up to 0.11 mW at a loading resistance of 200 Ω. The HNG exhibits superior stability and better charging performance compared to single energy harvesting units. A commercial 470 μF capacitor can be charged to 3 V within 385 s through the HNG, which can continuously supply electrical energy to a hygrothermograph and vernier scale. This work provides an effective method for preparing magnetizable triboelectric materials and introduces new possibilities for the rational design of simple structure and lightweight HNGs.

Keywords: Nd2Fe14B/PVC composite films; Magnetizable triboelectric materials; Hybrid nanogenerator; Mechanical energy (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations:

Downloads: (external link)
http://www.sciencedirect.com/science/article/pii/S0360544224014294
Full text for ScienceDirect subscribers only

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:300:y:2024:i:c:s0360544224014294

DOI: 10.1016/j.energy.2024.131656

Access Statistics for this article

Energy is currently edited by Henrik Lund and Mark J. Kaiser

More articles in Energy from Elsevier
Bibliographic data for series maintained by Catherine Liu ().