Patent ID: 8592092

Claim:
A battery comprising an anion conductor, a positive electrode, a negative electrode, a first aqueous liquid electrolyte layer and a second aqueous liquid electrolyte layer, wherein the first aqueous liquid electrolyte layer and the positive electrode are present in this sequence on a first surface of the anion conductor, and the first aqueous liquid electrolyte layer is in contact with the first surface of the anion conductor, and the second aqueous liquid electrolyte layer and the negative electrode are present in this sequence on a second surface of the anion conductor, and the second aqueous liquid electrolyte layer is in contact with the second surface of the anion conductor; wherein the negative electrode comprises a negative electrode active material layer, and the negative electrode active material layer comprises a negative electrode active material which can release a metal ion upon discharging; wherein the anion conductor has anion-conducting and non-cation-conducting properties; and wherein a first solid electrolyte with cation-conducting and non-anion-conducting properties is present between the second aqueous liquid electrolyte layer and the negative electrode.