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No_Opposite_4334 t1_jdzjlw4 wrote on March 28, 2023 at 10:21 AM

Reply to comment by JeremiahBoogle in German manufacturer achieves 80% overall efficiency with new PVT solar module by galileofan

What if a liquid (e.g. acetone) with a lower boiling point (57C for acetone) is used?

RedditorsArGrb t1_jdzlqn9 wrote on March 28, 2023 at 10:48 AM

small temperature gradient means low efficiency in a heat engine. See: https://en.wikipedia.org/wiki/Carnot_cycle#The_Carnot_cycle

A "35% efficient steam [system]" is not a physical reality here.