In Figure 3, it can be found that after the degradation reaction, most of the Co3O4 maintains a complete approximate spherical shape, but some fragments are mixed in the complete Co3O4.
In Figure 3, it can be found that most of Co3O4 maintains a complete approximate spherical shape after the degradation reaction, but some fragments are mixed in the complete Co3O4.
In Figure 3, it can be found that most of Co3O4 remains a complete spherical shape after the degradation reaction, but there are some fragments in the complete Co3O4.<br>