| 摘要 |
The invention relates to doped nickelate-containing material with the general formula: Aa M1 v M2 w M3 x M4 y M5 z O2-δ wherein A comprises one or more alkali metals selected from sodium, lithium and potassium; M1 is nickel in oxidation state 2+, M2 comprises one or more metals in oxidation state 4+, M3 comprises one or more metals in oxidation state 2+, M4 comprises one or more metals in oxidation state 4+, and M5 comprises one or more metals in oxidation state 3+ wherein 0.4≤ a < 0.9, 0 < v < 0.5, at least one of w and y is > 0, x > 0, z≥0, 0≤δ≤0.1, and wherein a, v, w, x, y and z are chosen to maintain electroneutrality. |
