this post was submitted on 11 Jan 2024
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A huge battery has replaced Hawaii's last coal plant (www.canarymedia.com)
submitted 8 months ago by L4s@lemmy.world to c/technology@lemmy.world
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A huge battery has replaced Hawaii's last coal plant::undefined

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[–] rockSlayer@lemmy.world 10 points 8 months ago (1 children)

There's some promising headway with molten sodium-sulfur batteries. Not only are they at similar capacity as lithium, but their molten nature allows for the batteries to store energy long-term. The downside is a low cycle rate and the heating requirement. Another promising battery tech is sodium ion batteries, which can use iron as a cathode to output similar power and cycling as lithium

[–] DoomBot5@lemmy.world 4 points 8 months ago (2 children)

This application needs the opposite of that. They need lots and lots of cycles, easy to maintain, and density is not much of an issue.

[–] rockSlayer@lemmy.world 8 points 8 months ago

Sodium-sulfur batteries are designed for the role of grid storage.

[–] Zoboomafoo@slrpnk.net 1 points 8 months ago

Iron-Air batteries will fill that role