| 摘要 |
<p>Compounds of the formula AU M1v M2w M3x M4y M5z O2 wherein: A is selected from one or more of lithium, sodium and potassium, with U in the range 1 < U < 2; M1 is nickel in oxidation state +2 and V is in the range 0.25 < V < 1; M2 comprises a metal in oxidation state +4 and is selected from one or more of manganese, titanium and zirconium, with W in the range 0 < W < 0.75; M3 comprises a metal in oxidation state +2 and is selected from one or more of magnesium, calcium, copper, zinc and cobalt, with X in the range 0 ¤ X < 0.5; M4 comprises a metal in oxidation state +4 and is selected from one or more of titanium, manganese and zirconium, with Y in the range 0 ¤ Y < 0.5; M5 comprises a metal in oxidation state +3 and is selected from one or more of aluminium, iron, cobalt, molybdenum, chromium, vanadium, scandium and yttrium, with Z in the range 0 ¤ Z < 0.5; and further wherein U + V + W + X + Y + Z ¤ 3. Such materials are useful as electrode materials in sodium ion and/or lithium ion and/or potassium ion battery applications.</p> |
