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.

The popular Xenon photoflash bulb is typically driven by a battery-powered high-voltge source. A flyback converter based on peak current limiting is the best option for this circuit in portable ...

Experts believe their dream of clean energy storage is a step closer after they unveiled their ground-breaking super-capacitor technology that is able to store and deliver electricity at high power ...

Capacitance of a capacitor is defined as the ability of a capacitor to store the maximum electrical charge (Q) in its body. C = Q/V = ε A/d = ε0 εr A/d The ability of a capacitor to store maximum ...

(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 ...

Smartphones are some of the most useful devices we own. However, their battery life leaves a lot to be desired. Even the most power frugal devices need to be charged daily during heavy use - something ...