Acetamide: a low-cost alternative to alkyl imidazolium chlorides for aluminium-ion batteries.

We propose a new electrolyte for rechargeable aluminium-ion batteries based on a room-temperature eutectic mixture of acetamide and aluminium chloride. When diluted with dichloromethane, the electrolyte shows similar cycling performance to the more traditional 1-ethyl-3-methylimidazolium chloride-based electrolytes for a fraction of the cost.