this post was submitted on 25 Nov 2025
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Despite decades of evidence on the toxic effects of lead battery recycling, companies opted not to act and blocked efforts to clean up the industry.

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[–] reddig33@lemmy.world 70 points 3 weeks ago (16 children)

Misleading headline making it sounds like all battery recycling poisons people. Half assed battery recycling is half assed.

Also sodium ion or some other lead-free formulation will likely replace lead acid 12v batteries over the next few years.

[–] frezik@lemmy.blahaj.zone 16 points 3 weeks ago* (last edited 3 weeks ago) (14 children)

The advantage lead acid has for ICE is that it can dump a lot of current all at once. The C output rate on sodium ion isn't that high, IIRC.

There have been lithium batteries used for the purpose. The original Miata used one because standard lead acid cells caused corrosion issues in the chassis. But lithium has its own supply chain issues.

Ultimately, this goes away because ICE cars go away.

[–] girthero@lemmy.world 1 points 3 weeks ago

The C output rate on sodium ion isn't that high, IIRC. You can buy sodium ion in 12 volt car battery form factor today. My understanding the only limitation is charging may not work right due the voltage regulators and the different needs on charging. (Which could be overcome with adapters.). Sodium ion will likely replace the lead acid use case by the end of the decade.

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