Lithium metal oxide electrodes for lithium batteries

An electrode for a non-aqueous lithium cell, having the formula of xLi2−yHyO.xM′O2.(1−x)Li1−zHzMO2 compounds in which 0<x<1, 0<y<1 and 0<z<1 made from a lithium metal oxide xLi2M′O3.(1−x)LiMO2, in which 0<x<1, and in which M is a non-lithium metal ion with an average trivalent oxidation state selected from two or more first-row transition metals or lighter metal elements in the periodic table, and M′ is one or more ions with an average tetravalent oxidation state selected from the first- and second-row transition metal elements and Sn, the electrodes being preconditioned in a proton-containing medium with a pH<7.0.

A non-aqueous lithium electrochemical cell comprising a negative electrode, an electrolyte and an positive electrode having a lithium metal oxide having the formula in which Li(2+2x)/(2+x)M′2x/(2+x)M(2−2x)/(2+x)O2−δ, in which 0<x<1 and δ is greater than zero and less than 0.2, and in which M is a non-lithium metal ion with an average trivalent oxidation state selected from two or more of the first row transition metals or lighter metal elements in the periodic table, and M′ is one or more ions with an average tetravalent oxidation state selected from the first and second row transition metal elements and Sn.

A non-aqueous lithium electrochemical cell comprising a negative electrode, an electrolyte and an positive electrode having the formula of xLi2−yHyO.xM′O2.(1−x) Li1−zHzMO2 compounds in which 0<x<1, 0<y<1 and 0<z<1 made from a lithium metal oxide of xLi2M′O3.(1−x)LiMO2, in which 0<x<1, and in which M is a non-lithium metal ion with an average trivalent oxidation state selected from two or more first-row transition metals or lighter metal elements in the periodic table, and M′ is one or more ions with an average tetravalent oxidation state selected from the first- and second-row transition metal elements and Sn.

A non-aqueous lithium battery comprising a plurality of electrically connected electrochemical cells, each cell having a negative electrode, an electrolyte and a positive electrode formula xLi2−yHyO·xM′O2.(1x)Li1−zHzMO2 compounds in xLi2M′O3.(1−x)LiMO2, in which M is a non-lithium metal ion with an average trivalent oxidation state selected from two or more of the first row transition metals or lighter metal elements in the periodic table, and M′ is one or more ions with an average tetravalent oxidation state selected from the first and second row transition metal elements and Sn.

A non-aqueous lithium battery comprising a plurality of electrically connected electrochemical cells, each cell having a negative electrode, an electrolyte and a positive electrode having the formula xLi2−yHyO.xM′O2.(1−x)Li1−zHzMO2 compounds in which 0<x<1, 0<y<1 and 0<z<1 made from a lithium metal oxide of xLi2M′O3. (1−x)LiMO2, in which 0<x<1, and in which M is a non-lithium metal ion with an average trivalent oxidation state selected from two or more first-row transition metals or lighter metal elements in the periodic table, and M′ is one or more ions with an average tetravalent oxidation state selected from the first- and second-row transition metal elements and Sn.