Pedaldude
Well-known member
Nickel-Cadmium or NiCad ≠ Nickel-Metal Hydride or NiMH, though they are similar.
All kidding aside, NiMH cells are still legitimate for today's applications and Toyota has had lots of experience. I believe that the energy density of the Lithium-ion batteries is superior though.
They even have had some hybrid hybrid batteries that use a combination of NiMH and Li-ion cells to get the advantages of both chemistries. I think that the 2021 Prius is one, I don't know if it's two separate battery packs or just one.
NiMH was given a rough ride by a bunch of shady people and never had an honest chance to show its worth in the market:
https://en.wikipedia.org/wiki/Patent_encumbrance_of_large_automotive_NiMH_batteries
All kidding aside, NiMH cells are still legitimate for today's applications and Toyota has had lots of experience. I believe that the energy density of the Lithium-ion batteries is superior though.
They even have had some hybrid hybrid batteries that use a combination of NiMH and Li-ion cells to get the advantages of both chemistries. I think that the 2021 Prius is one, I don't know if it's two separate battery packs or just one.
NiMH was given a rough ride by a bunch of shady people and never had an honest chance to show its worth in the market:
https://en.wikipedia.org/wiki/Patent_encumbrance_of_large_automotive_NiMH_batteries
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