Research / 2019 / Article / Fig 4

Research Article

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

Figure 4

Electrochemical performance of the half-cells and the mechanism. (a) Rate performance and (b) cycling performance of HC1200, PHC/Co3O4, and PHC anodes. (c) The action mechanism of Co3O4 as catalyst to increase the slope and plateau capacity. (d) Slope and plateau capacities of PHC/C at different rates.