基于Ti_(3)SiC_(2)/Ecoflex纳米复合材料的足底能量采集器  

Plantar Energy Harvester Based on Ti_(3)SiC_(2)/Ecoflex Nanocomposite Materials

作　　者：邹杰 石树正 宋金沙 何汇成 穆继亮 Zou Jie;Shi Shuzheng;Song Jinsha;He Huicheng;Mu Jiliang(School of Instrument and Electronics,North University of China,Taiyuan 030051,China;Key Laboratory of Electronic Testing Technology unci National Defense Technology,North University of China,Taiyuan 030051,China;School of Mechanical Engineering,Hebei University of Architecture,Zhangjiakou 075000,China)

机构地区：[1]中北大学仪器与电子学院,太原030051 [2]中北大学电子测试技术国防科技重点实验室,太原030051 [3]河北建筑工程学院机械工程学院,河北张家口075000

出　　处：《微纳电子技术》2022年第1期38-43,83,共7页Micronanoelectronic Technology

基　　金：国家重点研发计划资助项目(2019YFB2004802,2019YFF0301802,2018YFF0300605);国家自然科学基金资助项目(51975542);山西省自然科学基金资助项目(201901D111146);河北省‘三三三人才工程’资助项目(A202101021)。

摘　　要：由于人体运动幅度以及频率往往毫无规律,且运动频率很低,这使人体运动能量难以有效采集。针对此问题,研制了一种可高效收集低频能量的足底能量采集器。Ti_(3)SiC_(2)/Ecoflex作为足底能量采集器的负性摩擦材料,经过掺杂和表面修饰后足底能量采集器的电学性能提升了107%。足底能量采集器在2 Hz的运动频率下输出功率可达1.66 mW,面功率密度为1.84 W/m^(2)。此外,在工作10 h后电学性能保持不变,具有优异的稳定性与耐久性。实验表明,当人处于行走或者奔跑状态时,足底能量采集器可以分别为50盏LED灯以及温湿度计供能。这进一步推动了摩擦纳米发电机在人体运动能量采集领域的广泛应用。Since the amplitude and frequency of human motion are often irregular and the motion frequency is very low,it is difficult to collect the energy of human motion effectively.To solve this problem,a plantar energy harvester that can efficiently collect low-frequency energy was developed.With Ti_(3)SiC_(2)/Ecoflex as the negative friction material of the plantar energy harvester,the electrical property of the plantar energy harvester is increased by 107% after doping and surface modification.The output power of the plantar energy harvester can reach 1.66 mW at a motion frequency of 2 Hz,and the surface power density is 1.84 W/m^(2).In addition,the electrical property remains unchanged after operating for 10 h,showing that the plantar energy harvester has excellent stability and durability.Experiments show that when people are walking or running,the plantar energy harvester can supply energy for 50 LEDs and hygrothermograph,respectively.The wide application of triboelectric nanogenerators in the field of energy harvesting for human movement is further promoted.

关 键 词：Ti_(3)SiC_(2)/Ecoflex纳米复合材料 摩擦纳米发电机 表面修饰 低频能量采集 足底能量采集器 

分 类 号：TM919[电气工程—电力电子与电力传动] TB383[一般工业技术—材料科学与工程]