A new twist

Efficient conversion of low-grade heat into useful power is a challenge. A new approach using magnetocaloric materials and a pretzel-like magnetic field topology offers a simple way of generating electrical power from heat with improved efficiency.

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Fig. 1: A ‘pretzel’ topology thermomagnetic generator.


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Correspondence to A. M. Rowe.

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Rowe, A.M. A new twist. Nat Energy 4, 12–13 (2019).

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