Patent ID: 8119285
Filing Date: 2012-02-21
Classification: C01B,H01M,Y02E

Abstract:
1. A cathode material for a secondary battery containing a cathode active material represented by a general formula Li n FePO 4 (wherein 0<n≦1) as a primary component, one or more metal elements selected from the group consisting of vanadium (V), chromium (Cr), copper (Cu), zinc (Zn), indium (In), tin (Sn), molybdenum (Mo), and titanium (Ti), the total content of which metal element is in the range of 0.1 to 5 mol %, in terms of elemental ratio, based on iron in the cathode active material, and a halogen element in an amount of 0.1 mol % or more based on P, wherein the upper limit of molar content of the halogen element is a molar concentration of twice that of the metal element or elements.