Electrode design for primary lithium-type electrochemical cells

The present invention relates to an electrochemical element comprising a container, said container comprising an electrochemical beam, said electrochemical beam being wound in the form of a spiral, by superimposing: a positive electrode comprising an active material selected from the group consisting of: SOCl2, SO2, SO2Cl, CFx of x < = 1.5, MnO2, FeS2, V2O5, I2, Bi2O3, Bi2Pb2O5, CuCl2, CuF2, CuO, Cu4O (PO4) 2, CuS, FeS, MoO3, Ni3S2, AgCl, Ag2CrO4, V2O5, SVO, MO6S8, and a mixture of a plurality thereof; a diaphragm; a negative electrode including an active material made of a lithium metal or a lithium-based alloy; characterized in that the outer surface of the spiral shape facing the container is formed by the positive electrode; a lithium sheet or lithium-based alloy sheet at least partially covers the interior surface of the container. 本发明涉及一种电化学元件，包括容器，所述容器包括电化学束，所述电化学束为螺旋形的形式，由叠合以下组件卷绕：正极，包括选自以下物质的活性材料：SOCl2、SO2、SO2Cl、x≤1.5的CFx、MnO2、FeS2、V2O5、I2、Bi2O3、Bi2Pb2O5、CuCl2、CuF2、CuO、Cu4O(PO4)2、CuS、FeS、MoO3、Ni3S2、A