We’re all familiar with batteries. Whether we’re talking about disposable AAs in the TV remote, or giant facilities full of rechargeable cells to store power for the grid, they’re a part of our daily lives and well understood.
However, new technologies for storing energy are on the horizon for grid storage purposes, and they’re very different from the regular batteries we’re used to. These technologies are key to making the most out of renewable energy sources like solar and wind power that aren’t available all the time. Let’s take a look at some of these ideas, and how they radically change what we think of as a “battery.”
Iron Flow Batteries
Diagram indicating the operation of an iron flow battery. Credit: ESS, Inc, YouTube
Normally, the batteries we use consist of a metal or plastic case with some electrolyte inside, sandwiched between electrodes….