Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The TENG voltage waveform from cycling contact and separation test, and performance measurement using recorder [130]. (a) voltage and (b) current was measured of the different TENG during the real-time hand tapping, and (c) the image of TENG and measurement device through external force.
