Manganese dioxide positive electrode for rechargeable cells, and cells containing the same

The invention can be fully revealed by manganese dioxide batteries containing alkaline electrolyte, anode zinc anode and manganese dioxide. According to the present invention, cathode is essentially unrestricted, that is, not used in battery cages to restrict the positive. Consider to slightly adjustment height or vertical expansion or in tube tube battery in the of growth, basically filled battery within delineation of all space, and make cathode up by needed of size, cathode can contains additives as carbon or graphite to improve its conductive sexual, and repellents agent as PTFE, polyethylene or polypropylene to improve cathode of hydrogen permeability, and this improve hydrogen of composite rate, and cathode of discharge volume about for MnO2 cathode in theoretically a electronic discharge volume of 60%-120%.