Iron air battery -- too heavy for RVs, but interesting

fj12ryder wrote:
I wonder how similar these batteries are to the Iron-Nickel ones from early last century?

Very little similarity.

wa8yxm wrote:
There are, it appears, several "Air" batteries, Iron, Zinc, Other

Another link about it on REecharge news

air/zinc batteries are the majority of the batteries used in hearing aids. A main reason is the very high energy density you can get from that technology at a reasonable cost. They are not rechargeable but very high energy density.

They have a cover strip that you remove to activate the battery and leave them exposed to air for a few minutes before installing them.

I see batteries like those ultimately serving the same purpose as pumped storage hydroelectricity and “peaker” power plants that allow the base power producers of all types to handle peak load times.

Large scale economical battery storage is exactly what is needed for wind and solar power production to become more widely used, and displace more carbon based power plants. Because, try as we might, the sun still sets every evening, and the wind stops blowing at least occasionally.

:):)

pianotuna wrote:

fj12ryder wrote:
I wonder how similar these batteries are to the Iron-Nickel ones from early last century?

Very little similarity.

Thank you.

profdant139 wrote:
This could be a game changer for energy storage, and it sounds like it's not just pie in the sky. I think it's too heavy for RVs, but still interesting:


Wall Street Journal article

This is very interesting. I don't think it will be too heavy for RV's if you scale it down. Their web site says it is for energy storage and each battery is the size of a washing machine. However if you break that down there are 5 large cells that make up the main storage battery each equivalent to a Li battery in an electric car. Inside these cells are the equivalent of 10-20 individual cells. I think they can string 5 cells or so together to make a 12v battery for an RV. When you think about how it works converting iron to rust then back to iron during charging and discharging, it would not only be cheaper than Li ion but easier to produce, iron is much more abundant the Li and easier to recycle.