Fig. 3: Rectification by GPE ionic diodes.
From: Ion rectification based on gel polymer electrolyte ionic diode

a Q-V plots of GPE homojunctions and heterojunction diode from −2 V to + 2 V; b directly measured I–V curves for PHEC/PHEC, PAZT/PAZT and PHEC/PAZT; c rectification by the GPE ionic diode at alternating voltage of ± 2 V at 0.1 Hz; d I–V curves of the GPE ionic diode under different temperatures.