Leading the Charge

MIT researchers are developing the new batteries and ultracapacitors we need for a green economy.

Aug 18, 2009
Cross-section of a nanotube-enhanced ultracapacitor electrode. Bottom plate is the electrode, vertical “hairs” are the nanotubes.
Photograph of commercial ultracapacitor. The model pictured is 3000 Farads.
Photo of Nanotube Growth Apparatus
This microbattery made by Yet-Ming Chiang is just 5 cubic millimeters.
An array of microbattery cases made of gold.