Yes, and unlike what has been done in the Prius, these were large-format cells. The patents on them ultimately ended up sold to a Chevron subsidiary, which woul

Yes, and unlike what has been done in the Prius, these were large-format cells. The patents on them ultimately ended up sold to a Chevron subsidiary, which would only license the technology under absurd terms. They assumed that lithium-based battery technologies wouldn't be suitable. Oops. https://en.wikipedia.org/wiki/Patent_encumbrance_of_large_automotive_NiMH_batteries#Chevron_and_Cobasys https://en.wikipedia.org/wiki/Patent_encumbrance_of_large_au...