| 摘要 |
A composition including a first material and a metal or a metal oxide component for use in an electrochemical redox reaction is described. The first material is represented by a general formula M1xM2yXO4, wherein M1 represents an alkali metal element; M2 represents an transition metal element; X represents phosphorus; O represents oxygen; x is from 0.6 to 1.4; and y is from 0.6 to 1.4. Further, the metal or the metal oxide component includes at least two materials selected from the group consisting of transition metal elements, semimetal elements, group IIA elements, group IIIA elements, group IVA elements, alloys thereof and oxides of the above metal elements and alloys, wherein the two materials include different metal elements. Moreover, the first material and the metal or the metal oxide component are co-crystallized or physically combined, and the metal or the metal oxide component takes less than about 30% of the composition. |
| 主权项 |
1. A composition for use in an electrochemical redox reaction, comprising:
a first material, represented by a general formula M1xM2yXO4, wherein
M1 represents at least one element selected from alkali metal elements, beryllium, magnesium, cadmium, boron, and aluminum;M2 represents at least one element selected from transition metal elements, beryllium, magnesium, calcium, strontium, boron, aluminum, silicon, gallium, germanium, indium, tin, antimony, and bismuth;X represents at least one element selected from phosphorus, arsenic, silicon and sulfur;O represents oxygen;x represents a number from about 0.6 to about 1.4 inclusive; andy represents a number from about 0.6 to about 1.4 inclusive; and a metal or a metal oxide component, comprising at least two materials selected from the group consisting of transition metal elements, semimetal elements, Group IIA elements, group IIIA elements, group IVA elements, alloys thereof and oxides of the above metal elements and the alloys, wherein the at least two materials comprise different metal elements and exclude lithium, and the metal or the metal oxide component is represented by M3aOb/M4cOd, M3aOb/M4, M3/M4, M5eM6fOg/M5hM7iOj, M5eM6fOg/M5, M5eM6fOg/M5M7 or M5M6/M5M7, M3, M4, M5, M6 and M7 are different from each other, and a, b, c, d, e, f, g, h, i and j are integers,
wherein the first material and the metal or the metal oxide component are co-crystallized, and the metal or the metal oxide component takes less than about 30% of the composition. |
