ELECTROCHEMICAL STORAGE MATERIAL AND ELECTROCHEMICAL STORAGE DEVICE FOR STORING ELECTRICAL ENERGY, COMPRISING SUCH STORAGE MATERIAL

摘要

The invention relates to a storage material for storing electrical energy by reduction or oxidation of an active component, wherein the storage material, in addition to the active component, additionally has a reactive framework structure in at least a reduced and/or oxidized form which is able to chemically integrate at least one form of the active component in the form of a mixed oxide or an alloy into the framework structure during the charging or discharging process. Said integrating can occur in particular in the case of an oxidic framework structure in the forming of at least one stable mixed oxide from the active component and an oxide from the framework structure. In the case of a metallic framework structure, the integrating occurs by forming an alloy from active components and at least one metal of the framework structure. The capability of the framework structure to integrate the active component is dependent on the framework conditions of temperature and oxygen partial pressure.