fig10
From: Challenges and progress of chemical modification in piezoelectric composites and their applications
Figure 10. Illustration of piezoelectric composites in the acoustic transducers. (A) Schematic and design of the flexible LF-PUEH device[95]. Copyright 2019, Wiley-VCH Verlag; (B) output voltage and power density of the device as a function of input voltage[95]. Copyright 2019, Wiley-VCH Verlag; (C) schematic of a flexible electret loudspeaker, and an exploded view of a flexible electret loudspeaker[96]. Copyright 2010, IOP Publishing Ltd.
