POSITIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM BATTERIES AND METHOD FOR PRODUCING SAME

WIPO Patent Application WO/2013/031331

A1

Provided are: a positive electrode active material for sodium batteries, which has high operating potential and is capable of charging and discharging at high potential; and a method for producing the positive electrode active material for sodium batteries. A positive electrode active material for sodium batteries, which is characterized by being represented by general formula (1); and a method for producing the positive electrode active material for sodium batteries. General formula (1): NaxMy(AO4)z(P2O7)w (In formula (1), M represents at least one element selected from the group consisting of Ti, V, Cr, Mn, Fe, Co, Ni, Cu and Zn; A represents at least one element selected from the group consisting of Al, Si, P, S, Ti, V and W; x satisfies 4 ≥ x ≥ 2; y satisfies 4 ≥ y ≥ 1; z satisfies 4 ≥ z ≥ 0; w satisfies 1 ≥ w ≥ 0; and z and/or w is not less than 1.)

NOSE MASAFUMI (JP)

PCT/JP2012/065096

March 07, 2013

June 13, 2012

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TOYOTA MOTOR CO LTD (JP)
NOSE MASAFUMI (JP)

C01B25/45; H01M10/054

JP2010015782A	2010-01-21
JP2010018472A	2010-01-28
JP2011054562A	2011-03-17
JP2011134550A	2011-07-07
JP2004158348A	2004-06-03
JP2005183395A	2005-07-07

"218th ECS Meeting", 2010, THE ELECTROCHEMICAL SOCIETY
LIBD-5 2011 - ELECTRODE MATERIALS, 12 June 2011 (2011-06-12)
ELECTROCHEMISTRY COMMUNICATIONS, vol. 12, 2010, pages 355 - 358
NATURE MATERIALS
"Richiumu niji-denchi (Lithium secondary batteries", pages: 77
See also references of EP 2752925A4

KISHIMOTO, Tatsuhito et al. (JP)
Kishimoto Expert (JP)

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