April 10, 2021

Progress toward Iron Battery 2.0

By on July 16, 2020 0 75 Views
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We have been making progress toward a new iron battery with simpler chemistry and simpler construction and more practical performance.
Allen Lab Vlog #299, 01/26/2020

Paste ingredients:
5.5 g Iron (II) Sulfate
4.0 ml water
3.2 ml 50% w/w sodium hydroxide in water
0.4 g carbon black

To about half of the paste:
0.5 g iron

To about half of the paste:
0.2 g ferric ammonium citrate

Separator:
Sodium polyacrylate ~0.1g
2 sheets of printer paper

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