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this post was submitted on 07 Jul 2024
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You skipped Ni-MH there, that was major for not having the memory problems of Ni-Cd. We still use those in AA and AAA rechargeable batteries.
Ni-MH production for EVs was effectively shutdown by Texaco and later Chevron through patent acquisitions.
https://en.m.wikipedia.org/wiki/Patent_encumbrance_of_large_automotive_NiMH_batteries
Holy shit. I had no idea.
Chevron is pretty fucking evil for a lot of reasons, but we’ll add this one to the pile, I guess.
totally TIL worthy
Ni-MH ~~is~~ was also in a lot of hybrid cars.
Are they still making NiMH hybrid packs?
Lithium is far superior
I don't know in general. I was recently shopping for a UX 250h and I know they only just switched to lithium for the 2025 model with the nx name change.
Toyota switched the camry hybrid from NiMH to lithium for the 2020 model year.
In my head I meant hybrid cars on the road, not necessarily in new production.