Before Lunar New Year, I had ordered two 3000 F, 2.7 V supercapacitors from China for about $4 each. I don’t actually remember why, but they arrived (unexpectedly) just before the holiday.

(Nanowerk Spotlight) Low energy density is a main challenge for batteries and capacitors. Researchers are constantly developing new materials to increase the energy density of electrochemical energy ...

This file type includes high resolution graphics and schematics when applicable. An inverting charge pump takes a positive supply voltage and generates a negative supply from it. Discrete-design ...