文献类型：期刊文献

英文题名：Self-Powered Distributed Water Level Sensors Based on Liquid-Solid Triboelectric Nanogenerators for Ship Draft Detecting

作者：Zhang, Xiangqian[1];Yu, Min[2];Ma, Ziran[1];Ouyang, Han[2];Zou, Yang[2];Zhang, Steven L.[3];Niu, Hukai[1];Pan, Xinxiang[1,4];Xu, Minyi[1];Li, Zhou[2];Wang, Zhong Lin[2,3,5]

机构：[1]Dalian Maritime Univ, Marine Engn Coll, Dalian 116026, Peoples R China;[2]Chinese Acad Sci, Beijing Key Lab Micronano Energy & Sensor, Beijing Inst Nanoenergy & Nanosyst, CAS Ctr Excellence Nanosci, Beijing 100083, Peoples R China;[3]Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA;[4]Guangdong Ocean Univ, Sch Elect & Informat Technol, Zhanjiang 524088, Peoples R China;[5]Univ Chinese Acad Sci, Coll Nanosci & Technol, Beijing 100049, Peoples R China

年份：2019

卷号：29

期号：41

外文期刊名：ADVANCED FUNCTIONAL MATERIALS

收录：SCI-EXPANDED(收录号：WOS:000489051200015)、、EI(收录号：20191306684200)、Scopus(收录号：2-s2.0-85063290270)、WOS

基金：X.Z., M.Y., and Z.M. contributed equally to this work. The authors are grateful for the support received from the National Key Research and Development Program of China (Nos. 2016YFA0202703 and 2016YFA0202704), the National Natural Science Foundation of China (Nos. 51879022, 51506019, 61875015, 31571006, and 21801019), the Young Elite Scientists Sponsorship Program by CAST (2016QNRC001), the Beijing Natural Science Foundation (2182091), and the National Youth Talent Support Program.

语种：英文

外文关键词：liquid-solid contact electrification; marine sensor; ship draft detecting; triboelectric nanogenerator; water level sensor

外文摘要：Ship draft measurement is of great significance for ensuring navigation safety and facilitating ship control. In this work, a self-powered water level sensor based on a liquid-solid tubular triboelectric nanogenerator (LST-TENG) is proposed and analyzed. The LST-TENG is made of multiple copper electrodes uniformly distributed along a polytetrafluoroethylene (PTFE) tube. When water flows into the PTFE tube, it induces alternating flows of electrons between the main electrode and the distributed bottom electrodes. The obvious peaks in the derivative of open-circuit voltage with respect to time are found to correspond with the electrode distribution. Then it can be utilized as a robust and sensitive indicator for detecting the water level as the number of obvious peaks in the derivative of open-circuit voltage is directly related to the water level height. The ship draft is successfully detected using the LST-TENG with an accuracy of 10 mm. It shows that the water level sensor has stable performance for liquid-solid interface monitoring. Therefore, this LST-TENG is self-powered, robust, and accurate for extensive applications in marine industry.