NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Title:

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Document Type and Number:

Japanese Patent JP3887317

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery excellent both in discharge capacity and thermal stability.
SOLUTION: The nonaqueous electrolyte secondary battery is provided with a positive electrode containing a metal oxide with a composition expressed in a formula (1): Li2-xM1-yM'yXzAO4, a negative electrode and a nonaqueous electrolyte. In the formula, M expresses at least one kind of atoms selected from a group consisting of Ti, Nb, Mo and Ta, M' expresses at least one kind of atoms selected from a group consisting of V, Cr, Mn, Re, Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt, Cu, Ag, and Au, X expresses an atom of either O or F, A expresses at least a kind of atoms selected from a group of Si, Ge, P, and S, and x, y, and z satisfy the relationship: 0≤x≤2, 0≤y≤0.5, and 0.5≤z≤1.5, respectively.

Inventors:

Koichi Kubo

Application Number:

JP2003003291A

Publication Date:

February 28, 2007

Filing Date:

January 09, 2003

Export Citation:

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