Headquartered in Watertown, Massachusetts, A123 Systems, Inc. designs, develops, manufactures, and sells advanced, rechargeable lithium-ion batteries and battery systems. They do this for the transportation, electric grid services, and consumer markets. Founded in 2001, A123 Systems built their proprietary nanoscale electrode technology on initial developments from the Massachusetts Institute of Technology.

A123 Systems, Inc. believes that lithium-ion batteries will play an increasingly important role in facilitating a shift toward cleaner forms of energy. They have developed a broad family of high-power lithium-ion batteries and battery systems using their innovative approach to materials science and battery engineering. Their low impedance Nanophosphate electrode technology provides performance advantages over alternative high power technologies.

Nanophosphate is a positive electrode material of excellent rate capability, critical to high power systems. A123 Systems, Inc.’s high power products are able to pulse at discharge rates up to 100C. They are of a low impedance and thermally conductive