During the last International Workshop On Carnot Batteries (Stuttgart 9-10 October 2018), Xabier Peña (Tecnalia) held a presentation titled “Compressed Heat Energy Storage for Energy from Renewable sources”.
Carnot Batteries are an emerging technology for the inexpensive and site-independent storage of electric energy at the gigawatt-hour scale. Also referred to as “Pumped Thermal Electricity Storage” (PTES) or “Pumped Heat Electricity Storage” (PHES), a Carnot Battery transforms electricity into heat, stores the heat in inexpensive storage media like water or molten salt and transforms the heat back to electricity when required.
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