One kind of molten salt aluminum ion battery can be charged and discharged and its preparation method

The present invention relates to a molten salt aluminum ion battery and its preparation method of charging and discharging, it belongs to the field of battery technology, energy for wind energy, solar energy, tidal energy and other renewable and clean energy conversion and storage utilization. The present invention may be one kind of charge and discharge molten aluminum ion battery includes a positive electrode, a negative electrode, an electrolyte, wherein the positive electrode is graphite, the negative electrode is aluminum or an alloy thereof, a molten halide electrolyte containing aluminum ions in the system. The present proposed invention may be charged and discharged molten aluminum ion having a rapid charging and discharging a battery, high capacity, high efficiency and cycle performance stability, safety, environmental protection and so clean.