The O element is mainly the adsorbed water on the catalyst surface and the partial oxidation of metallic Co or the oxygen-containing functional group linked to carbon, as shown in Fig. 4-11b.
Element o is mainly the adsorbed water on the catalyst surface and the partial oxidation of metal co or the oxygen-containing functional group connected with carbon, as shown in figure 4-11b.
O elements are mainly adsorbed water on the catalyst surface and oxygen-containing functional groups which are partially oxidized by metal Co or connected to carbon, as shown in Figure 4-11b.