期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 173, 期 -, 页码 225-243出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2021.01.109
关键词
Natural polymer; Piezoelectric nanogenerator; Triboelectric nanogenerator; Wearable device; Implantable device; Self-powered sensor
资金
- Seed Foundation of Tianjin University [2020XT-0051]
- Excellent Young Scientists Fund by National Natural Science Foundation of China [31722022]
Nanogenerators are promising energy harvesting devices that utilize natural bio-polymers for their excellent characteristics like piezoelectricity and biocompatibility. Challenges in improving electric output performance, flexibility, anti-humidity, and energy management need to be addressed for wider applications in daily life as an alternative power source.
Nanogenerator is a promising energy harvesting device that can scavenge tiny mechanical energy from the surrounding environment, and then convert it into electricity. Natural bio-polymers are the potential candidates for the design of nanogenerators due to their excellent characteristics like piezoelectricity, triboelectricity, non-toxicity, biocompatibility and biodegradability. Especially, nanogenerators using bio-sourced polymers as the core raw materials are suitable for wearable and implantable devices. In this review, major advancements in the sensing field of nanogenerators based on natural polysaccharides and proteins (cellulose, chitosan, alginate, agarose, starch, lignin, silk fibroin, collagen, gelatin, keratin, peptide, M13 bacteriophage, beta-cyclodextrin, spider silk, etc.) are summarized. Also, challenges in the improvement of electric output performance, flexibility, anti-humidity and energy management for natural polymers based-nanogenerators are proposed. In the future, they will be applied in daily life as an alternative for traditional power source after addressing issues-mentioned above. (C) 2021 Published by Elsevier B.V.
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