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![](https://fry.gs/pictrs/image/c6832070-8625-4688-b9e5-5d519541e092.png)
Why though? The main benefit of solid state is the energy density, which is not at all important for a stationary, grid-connected system. It’s also super expensive. Why not just stick with sodium-ion batteries for the grid which are way cheaper per kWh?
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