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.
Schematic and electrical performance of the TCO-HG with a rectifier circuit. (a) Vertical TENG, rotational TENG, and PENG generator connected to the rectifier circuit. (b) Open-circuit voltage and (c) closed-circuit current output of the TCO-HG with the rectifier circuit. (d) TCO-HG charging a 22 μF capacitor and powering 60 LEDs in a single compression.
