C CHEMISTRY; METALLURGY
C01 INORGANIC CHEMISTRY
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
53/00 Compounds of nickel
C01G53/40 Complex oxides containing nickel and at least one other metal element
C01G53/42 containing alkali metals, e.g. LiNiO2
C01G53/44 containing manganese
C01G53/50 of the type (MnO2)n-, e.g. Li(NixMn1-x)O2 or Li(MyNixMn1-x-y)O2