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Energy harvesting

Pyroelectricity gain in multilayers

Pyroelectric materials have potential applications in sensors and energy harvesters but it is difficult for these materials to deliver energy in the joule range. Now, a pyroelectric harvester made of lead scandium tantalate with a multilayer structure is shown to generate about 4.43 J cm–3 from each thermodynamic cycle.

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Fig. 1: Device structure and performance of the PST pyroelectric energy harvester with a multilayer structure.


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Correspondence to Ya Yang.

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Yang, Y. Pyroelectricity gain in multilayers. Nat Energy 7, 1007–1008 (2022).

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