Electrical energy storage device

摘要

An electrical energy storage device is provided which comprises at least one module with a negative electrode, a positive electrode made from an anion generating material or material combination and conducting anions, and an anion conducting solid electrolyte located between the negative electrode and the positive electrode. The negative electrode of each module comprises a porous structure that conducts anions and the pore space of which is at least partially filled by a first redox mass which comprises a metal/metal oxide pair. The positive electrode of each module comprises a porous structure that conducts anions and the pore space of which is at least partially filled by a second redox mass which comprises a metal/metal oxide pair with an increased oxidation potential compared to the first redox mass.

主权项

1. An electrical energy storage device, comprising:
a module comprising:
a negative electrode,a positive electrode made from an anion generating material or material combination and conducting anions, andan anion conducting solid electrolyte located between the negative electrode and the positive electrode, wherein the negative electrode comprises a first porous structure that conducts the anions and pores in the first porous structure are at least partially filled by a first redox mass of a redox pair comprising a first metal and an oxide of the first metal or two different oxides of the first metal, and wherein the positive electrode comprises a second porous structure that conducts the anions and pores in the second porous structure are at least partially filled by a second redox mass of a redox pair comprising a second metal and an oxide of the second metal or two different oxides of the second metal, the second redox mass with an increased oxidation potential compared to the first redox mass, wherein the first redox mass comprises a molten salt of the first metal and/or the second redox mass comprises a molten salt of the second metal.