SACRIFICIAL ACTIVE MATERIAL OF A POSITIVE ELECTRODE FOR A LITHIUM-ION ELECTROCHEMICAL ELEMENT
First Claim
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1. Compound of formula (Li2O)x (MnO2)y (MnO)z (MOa)t whereinx+y+z+t=11−
- x−
y≥
00.97≥
x≥
0.6y≤
0.45·
x−
0.17y≥
0y+z>
0t≥
01≤
a<
3M is selected from the group consisting of Fe, Co, Ni, B, Al, Ti, Si, V, Mo, Zr and a mixture thereof.
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Abstract
A sacrificial positive active material for a lithium-ion electrochemical element which is a compound of formula (Li2O)x (MnO2)y(MnO)z(MOa)t in which: x+y+z+t=1; 1−x−y≥0; 0.97≥x≥0.6; y≤0.45; x −0.17; y≥0; y+z>0; t≥0; 1≤a<3. M is selected from the group consisting of Fe, Co, Ni, B, Al, Ti, Si, V, Mo, Zr and a mixture thereof.
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Citations
25 Claims
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1. Compound of formula (Li2O)x (MnO2)y (MnO)z (MOa)t
wherein x+y+z+t=1 1− - x−
y≥
00.97≥
x≥
0.6y≤
0.45·
x−
0.17y≥
0y+z>
0t≥
01≤
a<
3M is selected from the group consisting of Fe, Co, Ni, B, Al, Ti, Si, V, Mo, Zr and a mixture thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
- x−
Specification