{"title":"为先进储能应用定制PVDF-TrFE复合材料的不对称压电响应","authors":"Yu-Liang Hsiao , Yen-Ting Chen , Chuan-Pu Liu","doi":"10.1016/j.nwnano.2024.100065","DOIUrl":null,"url":null,"abstract":"<div><div>This study explores the phenomenon of asymmetrical piezoelectric output in Polyvinylidene Fluoride-Trifluoroethylene (PVDF-TrFE) based piezoelectric nanogenerators (PENGs), which have significant implications for improving the efficiency of energy harvesting devices, particularly in charging advanced energy storage applications. By leveraging the viscoelastic properties of PVDF-TrFE, we demonstrate pronounced asymmetry in piezoelectric output when the force frequency surpasses the polymer's natural recovery time, explicitly using an applied force of 60 N at frequencies ranging from 0.3 Hz to 1.25 Hz. These finding sheds light on the dynamic behavior of piezoelectric polymers under high-frequency stimuli and opens avenues for designing advanced energy harvesting devices.</div></div>","PeriodicalId":100942,"journal":{"name":"Nano Trends","volume":"9 ","pages":"Article 100065"},"PeriodicalIF":0.0000,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Tailoring asymmetrical piezoelectric responses in PVDF-TrFE composites for advanced energy storage applications\",\"authors\":\"Yu-Liang Hsiao , Yen-Ting Chen , Chuan-Pu Liu\",\"doi\":\"10.1016/j.nwnano.2024.100065\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>This study explores the phenomenon of asymmetrical piezoelectric output in Polyvinylidene Fluoride-Trifluoroethylene (PVDF-TrFE) based piezoelectric nanogenerators (PENGs), which have significant implications for improving the efficiency of energy harvesting devices, particularly in charging advanced energy storage applications. By leveraging the viscoelastic properties of PVDF-TrFE, we demonstrate pronounced asymmetry in piezoelectric output when the force frequency surpasses the polymer's natural recovery time, explicitly using an applied force of 60 N at frequencies ranging from 0.3 Hz to 1.25 Hz. These finding sheds light on the dynamic behavior of piezoelectric polymers under high-frequency stimuli and opens avenues for designing advanced energy harvesting devices.</div></div>\",\"PeriodicalId\":100942,\"journal\":{\"name\":\"Nano Trends\",\"volume\":\"9 \",\"pages\":\"Article 100065\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-12-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Nano Trends\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2666978124000357\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nano Trends","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2666978124000357","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Tailoring asymmetrical piezoelectric responses in PVDF-TrFE composites for advanced energy storage applications
This study explores the phenomenon of asymmetrical piezoelectric output in Polyvinylidene Fluoride-Trifluoroethylene (PVDF-TrFE) based piezoelectric nanogenerators (PENGs), which have significant implications for improving the efficiency of energy harvesting devices, particularly in charging advanced energy storage applications. By leveraging the viscoelastic properties of PVDF-TrFE, we demonstrate pronounced asymmetry in piezoelectric output when the force frequency surpasses the polymer's natural recovery time, explicitly using an applied force of 60 N at frequencies ranging from 0.3 Hz to 1.25 Hz. These finding sheds light on the dynamic behavior of piezoelectric polymers under high-frequency stimuli and opens avenues for designing advanced energy harvesting devices.
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