(EP116115-A)      A process for the production of positive electrodes for electro-chemical elements with nonaqueous electrolytes, especially Li/MnO2-cells, in which manganese dioxide is used as the active material, which is admixture with a conducting medium and a matrix is formed into the electrode and is subjected to a final heat treatment, characterised in that, a synthetic manganese dioxide with a delta-crystal structure is used, which after production of the moulded article is subjected to the final heat treatment between 180 deg. C and below 200 deg.C.    (12pp)    (DE3242139-C)      Positive electrodes for electrochemical elements contg. non-aq. electrolytes, esp. Li/MnO2 cells, in which MnO2 is used as active material, which in admixture with a conducting agent and a binder is shaped to the electrode; and subjected to a final heat treatment.    A synthetic MnO2 pref. having a p-crystal structure is used which, after producing the moulding, is subjected to the final heat treatment at 180 to below 200 deg.C. Pref. MnO2, carbon black, methanol, polytetrafluoroethylene in aq. suspension and water are mixed together and stirred to a paste and/or kneaded. The paste is then brought into predetermined form and the moulding is extruded with a metal extender lattice. Finally the drying is effected as a single heat treatment.    ADVANTAGE -   Simple process producing high cell performance even for complete discharges down to -30 deg.C, and giving improved storage properties.    (8pp)    (EP116115-B)      A process for the production of positive electrodes for electro-chemical elements with nonaqueous electrolytes, especially Li/MnO2-cells, in which manganese dioxide is used as the active material, which is admixture with a conducting medium and a matrix is formed into the electrode and is subjected to a final heat treatment, characterised in that, a synthetic manganese dioxide with a delta-crystal structure is used, which after production of the moulded article is subjected to the final heat treatment between 180 deg. C and below 200 deg.C. (12pp)