期刊
NANO ENERGY
卷 56, 期 -, 页码 868-874出版社
ELSEVIER
DOI: 10.1016/j.nanoen.2018.11.065
关键词
Self-charge; Solid supercapacitor; Piezoelectric separator; Tactile sensor
类别
资金
- National key R and D project [2016YFA0202702]
- Beijing Municipal Science & Technology Commission, China [Z171100002017017, Z181100008818081]
- National Natural Science Foundation of China (NSFC) [51873020, 21575009, 21173017, 51272011, 21275102, 51432005, Y4YR011001]
- science and technology research projects from education ministry [213002A]
- National Postdoctoral Program for Innovative Talents [BX20180081]
Tactile sensors that can simultaneously detect temperature and force are highly desirable for applications in health monitoring and human-machine interface. Rendering such devices the ability to harness energy from ambient environment would make them more sustainable, wearable, and even implantable. Herein, a self-powered flexible tactile sensor is developed on the base of piezoelectrically active solid supercapacitors. By conformally intercalating solid electrolyte into the piezoelectric separator, the as-designed flexible piezoelectrical supercapacitor can not only convert environmental mechanical energy into electricity and charge itself, but also detect static pressure, dynamic pressure, acceleration and even temperature with high sensitivity and wide linear range. These concomitant intelligences make the piezoelectric supercapacitor ideal platform for developing self-powered multifunctional wearable devices.
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