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New stretchable alloy boosts heat pump efficiency 20 times over metals

2 bilsbie 2 5/28/2025, 4:14:14 PM interestingengineering.com ↗

Comments (2)

blacksqr · 2d ago

Seems like a worthy breakthrough, but the reported effect only produces temperature differences of 4-5K. They conjecture they can go to 22K deltas in the future.

Can an effect that small be practically scaled to grid-level usefulness, efficiency notwithstanding?

bilsbie · 1d ago

How much is that in F?