Positive active material for an electric cell, a method of preparing the positive active material and a cell which uses it

摘要

A positive active material for an electric cell, said material being constituted by anhydrous copper borate whose formula is Cu3B2O6. A method of making such an active material. An electric cell whose positive active material (3) is anhydrous copper borate Cu3B2O6, whose negative active material (6) is lithium and whose electrolyte is a solution which is liquid at ambient temperature and whose solvent is an aprotic compound.