MANUFACTURES OF PRECURSON FOR ELECTROCHEMICAL CELL AND ELECTROCHEMICAL CELL,AND PRECURSON FOR ELECTROCHEMICAL CELL AND ELECTROCHEMICAL CELL WHICH ARE MADE BY THESE METHODS

摘要

PURPOSE: To manufacture a precursor for an electrochemical cell by composing cathode compartment to include specific alkaline metal aluminum halide fused salt electrolyte, alkaline metal halide, cathode active material, etc. CONSTITUTION: In cathode compartment, alkaline metal aluminum halide fused salt electrolyte having a formula of MA1Hal4 (M is alkaline metal of separator, and Hal is halide in the formula), alkali metal halide MHal (M and Hal in the formula are same alkaline metal and halide as those in fused salt electrolyte), cathode active material including transmition metal T selected among Fe, Ni, Co, Cr, Cu, Mn and their mixture, and at least one sort of other material X as additive (X is material capable of reacting at a lower voltage than a necessary voltage to charge a cell) for forming electrochemical cell precursor are charged. Electrochemical cell precursor can thus be obtained.