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Two years of simulations show that very close to 100% renewable electricity is affordable and feasible for Australia’s main grid, using just a few hours of battery storage.
To run a heat engine you need a temperature difference in order to generate work. When your system generates heat as a byproduct you can amplify the amount of work by increasing the temperature difference. This is how the cold block “stores” energy.
What’s your source on 90% efficiency? Here it’s stated 35% max.
To run a heat engine you need a temperature difference in order to generate work. When your system generates heat as a byproduct you can amplify the amount of work by increasing the temperature difference. This is how the cold block “stores” energy.
What’s your source on 90% efficiency? Here it’s stated 35% max.
I’m just talking about storage. Molten salt energy storage is mentioned here: https://en.wikipedia.org/wiki/Thermal_energy_storage