Sealed alkaline storage battery with hydrogen absorbing electrode

Claim 1

IN A HERMETICALLY SEALED ALKALINE STORAGE BATTERY, IN COMBINATION, POSITIVE AND NEGATIVE ELECTRODES, THE CAPACITIES OF SAID ELECTRODES OF OPPOSITE POLARITY BEING SUCH THAT AT LEAST AT SOME TIME DURING OPERATION OF SAID BATTERY HYDROGEN GAS IS FORMED AT SAID NEGATIVE ELECTRODE; AN ABSORBENT SEPARATOR BETWEEN SAID POSITIVE AND NEGATIVE ELECTRODES; AN ALKALINE ELECTROLYTE SUBSTANTIALLY ABSORBED BY SAID ELECTRODES AND SEPARATOR; AND A GAS-CONSUMING AUXILIARY ELECTRODE INCLUDING A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF SILVER AND SILVER COMPOUNDS CONNECTED ELECTRICALLY WITH SAID POSITIVE ELECTRODE AND LOCATED AT THE SIDE OF SAID POSITIVE ELECTRODE WHICH FACES AWAY FROM SAID NEGATIVE ELECTRODE, WHEREBY ANY SILVER ORIGINATING FROM SAID AUXILIARY ELECTRODE AND DISSOLVED IN SAID ALKALINE ELECTROLYTE WILL BE SUBSTANTIALLY PREVENTED FROM MIGRATING TO SAID NEGATIVE ELECTRODE DUE TO INTERPOSITION OF SAID POSITIVE ELECTRODE BETWEEN SAIDAUXILIARY ELECTRODE AND SAID NEGATIVE ELECTRODE.