fig1

Figure 1. TEM characterization of CNT/Fe-Ni, CNT/Fe-Ni@RuO₂, CNT/Fe-Ni@RuO₂@PANI and CNT/Fe-Ni@RuO₂@PANI-350. TEM images of (A) CNT/Fe-Ni; (B) CNT/Fe-Ni@RuO₂ with low (left) and high (right) RuO₂ loading; (C) CNT/Fe-Ni@RuO₂@PANI, (D) CNT/Fe-Ni@RuO₂@PANI-350; (E) Particle size distribution histogram of CNT/Fe-Ni@RuO₂@PANI-350. (F) IFFT image of CNT/Fe-Ni@RuO₂@PANI-350, inset: corresponding SAED image.