Fig. 1: ACBs for energy storage applications.
From: Dual-structure-breaking electrolyte enables practical cadmium-metal battery

a Schematic of redox potentials, specific capacities, and characteristics of different electrodes in aqueous electrolytes. b Advantages of Cd negative electrode compared to Zn negative electrode. c Schematic diagram of the proposed ACBs featuring a Cd negative electrode and electrolyte, paired various types of positive electrodes, including conversion-, insertion-, coordination-, capacitance-type positive electrodes. d Advantages of ACBs compared to AZBs.