METHOD OF MANUFACTURING AN ORGANIC ELECTROLYTE ELECTROCHEMICAL CELL OF UNITARY STRUCTURE

摘要

The present invention provides a method of manufacturing an organic electrolyte electrochemical cell comprising at least one electrochemical couple made up of two electrodes sandwiching a solid film of porous polymer containing said electrolyte, each electrode comprising a porous layer containing an electrochemically active material and a binder, the method comprising the following steps: ü a polymer is put into solution in a solvent and said solution is spread in the form of a film on a support; ü said film of solution is immersed in a volatile is non-solvent that is miscible with said solvent in order to precipitate said polymer and said polymer film is dried to eliminate said non-solvent; and ü said couple made up of said polymer film placed between said electrodes and in contact therewith, and impregnated with said electrolyte, is compressed while being heated to a temperature less than or equal to the temperature at which said polymer film starts to melt so as to obtain incomplete melting of said polymer, said electrodes becoming unseparable after cooling.