SEALED ALKALINE STORAGE BATTERY, ELECTRODE STRUCTURE THEREOF, CHARGING METHOD AND CHARGER FOR SEALED ALKALINE STORAGE BATTERY

A sealed alkaline storage battery including a nickel electrode as a positive electrode, characterized by having the function of being capable of charge when the gas pressure in the battery and/or the battery temperature is not higher than a specified value and of being incapable of charge when the gas pressure in the battery and/or the battery temperature exceeds the specified value.