fig4

Figure 4. (A and B) Transmission electron microscopy (TEM) images of C-QWF-600 electrode support, (C and D) Energy dispersive X-ray spectroscopy (EDS) mapping results of C-QWF-600 showing distributions of Si, Ni, O and C, (E and F) TEM images of C-QWF-700 electrode, (G and H) EDS mapping results of C-QWF-700 showing the distributions of Si, Ni, O and C. C-QWF: CNT-coated QWF; QWF: quartz woven fabric; CNT: carbon nanotube.