Don’t forget that recycling of lead acid batteries contaminates the communities around them, creating major health problems to those near them and downwind.
- Mark Sent from my Fuel Cell powered iPhone > On Oct 30, 2022, at 1:56 PM, Lee Hart via EV <ev@lists.evdl.org> wrote: > > Peri Hartman wrote: >>> There's been a move back to LiFePo because it doesn't use cobalt. What >>> else can be done? > > EV List Lackey wrote: >> Nickel metal hydride? > > There are actually lots of rechargeable battery technologies that could be > used. Each has different strengths and weaknesses. > > It's unfortunate that manufacturers tend to prefer a monoculture. "One thing > to rule them all". But anything that you try to apply to 8 billion people is > bound to cause unforeseen problems. Different applications should really use > different solutions. > > Lead-acid is cheap, and widely recyclable. But it's relatively heavy and has > a low energy density. It still makes sense for short-range EVs like golf > carts, fork lifts, scooters, etc. Also, don't forget that virtually every ICE > is still using lead-acids. > > Nickel-based batteries (nickel-iron, nickel-cadmium, nimh) have higher energy > density and longer life, and the materials are relatively abundant. Nickel is > expensive, but fairly easy to recycle (though it's not being widely done for > batteries). > > Lithium-based batteries have the highest energy density, but are expensive, > less safe, and (at least for the present) not being recycled. > > And, there are lots of other chemistries that could be used. We should be > exploring *every* option; not just blindly picking one. > > Lee Hart > > -- > "#3 pencils and quadrille pads." -- Seymour Cray, when asked > what CAD tools he used to design the Cray I supercomputer > -- > Lee Hart, 814 8th Ave N, Sartell MN 56377, www.sunrise-ev.com > > -- > This email has been checked for viruses by Avast antivirus software. > www.avast.com > _______________________________________________ > Address messages to ev@lists.evdl.org > No other addresses in TO and CC fields > HELP: http://www.evdl.org/help/ > _______________________________________________ Address messages to ev@lists.evdl.org No other addresses in TO and CC fields HELP: http://www.evdl.org/help/
