NOVELTY - A secondary alkali metal ion cell comprises: (i) composite negative electrode element comprising an active material, a carbon black, a polymeric binder and a current collector; (ii) composite positive electrode element comprising an active material, a carbon, a polymeric binder, a catalyst and a current collector; and (iii) polymer electrolyte-separator element with a polymeric matrix.    USE - The secondary alkali metal ion cell is used for making a rechargeable lithium stacked cell used in all kinds of applications i.e. portable devices, power tools, electric vehicles and even stationary systems.    ADVANTAGE - The secondary alkali metal ion cell is non-flammable, health safe, environmentally friendly and cost effective.    DETAILED DESCRIPTION - A secondary alkali metal ion cell comprises:    (i) composite negative electrode element comprising an active material, a carbon black, a polymeric binder and a current collector;    (ii) composite positive electrode element comprising an active material, a carbon, a polymeric binder, a catalyst and a current collector; and    (iii) polymer electrolyte-separator element, which is a multilayered system sandwiched between the negative and positive electrodes, comprising a polymeric matrix in which a liquid electrolyte is immobilized, a filler, a separator and a catalyst.    An INDEPENDENT CLAIM is also included for a method for making a secondary lithium ion cell comprising positioning a cathode comprising lithium species intercalated in a carbon hosting compound opposite an anode comprising lithium ions intercalated in a carbon hosting compound, and positioning a polymer electrolyte-separator between the cathode and the anode, where the polymer electrolyte-separator comprises an inorganic liquid electrolyte immobilized in a hosting polymer matrix.    DESCRIPTION OF DRAWING(S) - The figure shows a cross-section of the polymer gel battery with stacked electrodes.    Battery (10)    Battery cell (12)    Negative electrode element (14)    Positive electrode element (16)    Polymer electrolyte-separator-element (18)    Stainless steel can (22)