Salt powered electricity

We’ve talked about salt based battery storage, but now let’s delve into salt water power generation. Columbia has street lights powered by salt water that work because of the reaction between salt water and copper.

Half a liter of water can power a street lamp for 45 days.  Japan is opening a facility that scales up this generation.

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The Guardian | Japan has opened its first osmotic power plant – so what is it and how does it work