Lithium ion cathodes and cells suitable for large-format batteries and large-format batteries containing lithium ion cathodes

An uncycled lithium ion cathode comprising:

• i) a lithium manganese iron phosphate (LMFP) cathode active material, a lithium manganese nickel iron phosphate (LMNFP) cathode active material, a lithium iron phosphate (LFP) cathode active material, a lithium iron cobalt phosphate (LFCP) cathode active material, a lithium iron manganese cobalt phosphate (LFMCP) cathode active material, or any combinations thereof;
• and
• ii) a manganese iron phosphate (MFP) cathode active material, a manganese nickel iron phosphate (MNFP) cathode active material, an iron phosphate (FP) cathode active material, an iron cobalt phosphate (FCP) cathode active material, an iron manganese cobalt phosphate (FMCP) cathode active material, or any combinations thereof,
• wherein:
• the LMFP cathode active material has the general chemical formula LiMnxFe1−xPO4, wherein 0.01≤x≤0.95;
• the MFP cathode active material has the general chemical formula MnxFe1−xPO4, wherein 0.01≤x≤0.95;
• the LMNFP cathode active material has the general chemical formula LiMnxNiyFe1−(x+y)PO4, wherein 0<x<1, 0<y<1 and x+y<1 and wherein the ratio of x:y is in a range between 5:1 and 1:5;
• the MNFP cathode active material has the general chemical formula MnxNiyFe1−(x+y)PO4, wherein 0<x<1, 0<y<1 and x+y<1, and wherein the ratio of x:y is in a range between 5:1 and 1:5;
• the LFCP cathode active material has the general chemical formula LiFe1−xCoxPO4, in which 0<x<1;
• the FCP cathode active material has the general chemical formula Fe1−xCoxPO4, in which 0<x<1;
• the LFMCP cathode active material has the general chemical formula LiFe1−(x+y)MnxCoyPO4, wherein 0<x<1, 0<y<1 and x+y<1 and wherein wherein the ratio of x:y is in a range between 5:1 and 1:5;
• and
• the FMCP cathode active material has the general chemical formula Fe1−(x+y)MnxCoyPO4, wherein 0<x<1, 0<y<1 and x+y<1 and wherein the ratio of x:y is in a range between 5:1 and 1:5;
• and
• wherein at least one of the LMFP, LMNFP, LFCP, LFMCP, LFP, MFP, MNFP, FCP, FMCP, or LP is coated with conductive carbon.