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Energy Conversion Devices Ovonics




Ovonics (coined from "Ovshinsky" and "electronics") is a field of electronics that uses materials able to change from an electrically nonconducting state to a semiconducting state shown by glass of special composition upon application of a certain minimum voltage. The most important example is Phase Change Memory .

Scientist-entrepreneur Stanford Ovshinsky pioneered the field and coined the term after he founded Energy Conversion Devices, Inc. (ECD) in 1960 to further his research in amorphous semiconductors. ECD Ovonics works to create non-polluting, non-climate-changing energy sources.

  • Founded as Ovonics Battery Company in 1982.

  • Invented and patented the NiMH Battery .

  • Current projects include NiMH, solid-state Hydrogen Fuel Storage, Regenerative Fuel Cell s, and solar (UNI-SOLARĀ® Shingles).

  • Founder Stanford R. Ovshinsky was honored as "Hero for the planet" by Time Magazine in 1999.

  • ECD Ovonics stock is listed on the Nasdaq with symbol ENER and on the Frankfurt Stock Exchange.


Ovonic NiMH batteries were used in the 1998 Chevy S10 EV and the 1999 GM EV1 as well as many Hybrid Cars in production today.


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