Fig. 3: Pyroelectric efficiency of PST MLCs.
From: Large harvested energy with non-linear pyroelectric modules
a,b, The efficiency η of the Olsen cycles (a) and the scaled efficiency \({\eta }_{{\rm{r}}}=\eta /{\eta }_{{\rm{Carnot}}}\,\)(b) of a 0.5-mm-thick PST MLC as a function of temperature span ΔTspan for a maximum electric field of 195 kV cm−1 and different initial temperatures Ti.
