Research / 2019 / Article / Fig 3

Research Article

High Capacity and Superior Rate Performances Coexisting in Carbon-Based Sodium-Ion Battery Anode

Figure 3

Characterization results of HC1200, PHC/Co3O4, and PHC. SEM images of (a) HC1200 and (b) PHC/Co3O4; (c) TEM images PHC/Co3O4; (d) EDS elemental mapping of PHC/Co3O4; (e) XRD patterns, (f) Raman spectra and (g) TG results of HC1200, PHC/Co3O4, and PHC; (h) XPS Co 2p spectrum of PHC/Co3O4. (i) Nitrogen adsorption/desorption isotherms of HC1200 and PHC/Co3O4.