METHOD FOR IMPROVING THE ELECTROCHEMICAL PERFORMANCES OF AN ALKALI METAL OXYANION ELECTRODE MATERIAL AND ALKALI METAL OXYANION ELECTRODE MATERIAL OBTAINED THEREFROM

摘要

Process for improving the electrochemical performance of an alkali metal oxyanion electrode material having a pyrolitic carbon deposit thereon, comprising a heat treatment under a humidified atmosphere where the heat treatment is performed at a temperature in the range of about 300°C to about 950°C.