Abstract
The Front Cover shows the working mechanism of dual-ion batteries (DIBs). That is, the positive ions in the electrolyte move and embed into the anode during charging, while the negative ions in the electrolyte move and embed into the cathode, whereas it is the processes are reversed for the discharging process. Such a battery has two types of ions that transport charge. Since the ions move a short distance, allowing for fast charging and discharging, it allows increasing the energy density of a battery and the voltage of a battery cell, ultimately achieving a high-efficiency power supply. More information can be found in the Review by M. Liu et al.
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