LSM-MCO COMPOSITE POWDERS FOR SOLID OXIDE ELECTROCHEMICAL CELL AND INTERCONNECT COATINGS AND METHODS OF FORMING SAME

A method includes providing a precursor powder mixture containing lanthanum oxide particles, strontium oxide particles, manganese oxide particles and cobalt oxide particles and calcining the precursor powder mixture, such that a lanthanum strontium manganate - manganese cobalt oxide composite powder containing composite particles including perovskite and spinel phases is formed.