Figure 4 : Rechargeable Zn-air batteries with hybrid catalysts as the cathode.

From: Advanced zinc-air batteries based on high-performance hybrid electrocatalysts

Figure 4

CoO/N-CNT ORR and FeNi LDH/CNT OER hybrid catalysts are mixed in a single cathode. (a) A schematic structure of the battery. (b) Cycling data at 5 and 10 mA cm−2, respectively, in short cycle periods (200 s per cycle). (c) Cycling data at 20 mA cm−2 in long cycle periods (20 h per cycle).