| abstract |
The present disclosure provides an aluminum ion battery. The aluminum ion battery includes a positive electrode; a separator; a negative electrode, wherein the negative electrode is separated from the positive electrode by a separator; and an electrolyte composition is provided between the positive electrode and the negative electrode. The electrolyte composition includes an aluminum halide, a solvent, and a compound of formula (I) Where R 1 is C 1-8 alkyl or C 1-8 fluoroalkyl; and, n is 2, 3, 4, or 5. The total weight of the aluminum halide and the solvent is 100 parts by weight, and the weight of the compound having the formula (I) is greater than or equal to 0.5 parts by weight and less than 5 parts by weight. |