Fig. 4From: Electrically Conductive TPU Nanofibrous Composite with High Stretchability for Flexible Strain SensorStretchability test and schematic diagram of the PANI/TPU membrane sensor. a I-V curves of PANI/TPU membrane under different strains. b Current responses of PANI/TPU membrane to different strains under a fixed bias of 5 V. c Fibers under no strain. d Fibers under strainBack to article page