Monthly Archives: May 2025

Iron Battery 3.0 is Published!

Here’s the Paper: https://doi.org/10.1016/j.ohx.2025.e00629

The youtube version of this post is live https://youtu.be/ojolTZqfv-k

I’ve been working on the all-iron battery for eight years now. That feels wild to me. I’m happy to announce that version 3.0 is published! This paper is absolutely Dipak Koirala’s work more than mine. The newest incarnation of the Iron Battery is significantly more powerful than the previous version; it can completely discharge in ~10 hours (still slow compared to a lithium ion, but now in a practical range). To get there, we did 3 major changes:

  • Commercial membrane
  • Improved electrolyte and paste material
  • Soluble electrochemical mediators

First, a recap.

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