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US 2018/0294480 A1Published application
High capacity sodium-ion battery positive electrode material
AssigneeSamsung Electronics Co., Ltd.
InventorsMasoud Aryanpour, Young-Gyoon Ryu, Yan Wang
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Abstract
A positive electrode active material for a sodium ion battery includes a sodium complex oxide of the formula Na4(M1aM21−a)2O5 having an orthorhombic crystal structure, wherein M1 and M2 are each independently Ti, Cr, Fe, Co, Ni, Mn, V, or a combination there of provided that M1 and M2 are different from each other; and 0≤a≤1.
Claims21
A positive electrode active material for a sodium-ion battery, the positive electrode active material comprising:
- a sodium complex oxide of the formula
- Na4(M1aM21−a)2O5
- having an orthorhombic crystal structure;
- wherein
- M1 and M2 are each independently Ti, Cr, Fe, Co, Ni, Mn, V, or a combination thereof, provided that M1 and M2 are different from each other;
- and
- 0≤a≤1.
4 more elements
Dependencies are inferred from the claim text.