《Table 1 Corrosion properties of PANI and PANI/Ce (NO3) 3composites》

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《Investigation of Novel Short Fiber-like Polyaniline/Cerium Nitrate Composite》

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Fig.8（b）gives the polarization curves of PANI and PANI/Ce（NO3）3 electrodes in 0.5 M H2SO4.An obvious change can be noticed when varying the amount of Ce（NO3）3.The detailed information is listed in Table 1.It is found that the corrosion potential shifts from-0.338 V for PANI to-0.079 V for PANI/Ce（NO3）3 with 10 wt%of Ce3+ions.Meanwhile，the corrosion current density reduces from 16.0 to 1.4μA/cm2.The anticorrosion properties of composite have been improved significantly.Thus，Ce ions as corrosion inhibitor can be released successfully from the conjugated structure to exert their high-efficiency anticorrosion properties.