Capacitors use electric fields (rather than chemical changes, motion, or potential energy) to store energy, and charge and discharge faster than batteries. Ratings are usually in Farads (Coulombs per Volt).
Related categories 3
Sites 9
- Capacitors: What Good Are They? Short description of a fundamental capacitor, and units used to measure capacitance. Illustrations of capacitors in electronic circuits, with animation.
- Green Car Congress: Holden (GM) and CSIRO Working on Next-Gen Supercaps Australian groups partnering on components for electric vehicles.
- Maxwell Licenses Ultracapacitor Technology To Shanghai Group to enhance reliability and efficiency of electric power infrastructure.
- UltraCapacitors and SuperCapacitors Information on how an ultracapacitor works, manufacturers, uses, and links to news.
- Supercapacitor Wikipedia entry includes picture, history, applications, Ragone plot, diagram, links, and current state.
- Ultracapacitors Challenge the Battery article written by chair of group devoted to promoting ultracapacitor technology includes web addresses of makers.
- All About Circuits - Capacitors An introduction to capacitors. Theory, pictures, links to other parts of a web-book of electrical theory.
- The Charge of the Ultra - Capacitors Nanotechnology takes energy storage beyond batteries [IEEE Spectrum]
- The Dark Horse in the Race to Power Hybrid Cars Are ultracapacitors the key to making hybrids king of the auto market? [Scientific American]