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US 12,729,119 B2Granted
Electrode active material, preparation method therefor, electrode comprising same and secondary battery
AssigneeSamsung Electronics Co., Ltd.
InventorsSungjin Lim, Sangbok Ma, Jonghoon Ka, Taeyoung Kim, Youngjoon Bae
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Abstract
An electrode active material including a compound represented by Formula 1: Lix(Ni1−yMy)z(P2O7)4 <Formula 1> wherein in Formula 1, 5≤x≤7, 0.2≤y<1, 4≤z≤6, and M is a Group 3 to Group 11 element or a combination thereof, but is not iron.
Claims23
An electrode active material including a compound represented by Formula 1 and having a triclinic crystal structure:
- Lix(Ni1−yMy)z(P2O7)4 <Formula 1>
- wherein, in Formula 1, 5≤x≤7, 0.2≤y<1, 4≤z≤6, and
- M is Co, Mn, V, Ti, Cr, Cu, Sc, Y, La, Zr, Hf, Nb, Ta, Mo, W, Re, or a combination thereof.
Dependencies are inferred from the claim text.