<P> Another type of alkaline batteries are secondary rechargeable alkaline battery, which allows reuse of specially designed cells . </P> <P> Compared with zinc - carbon batteries of the Leclanché cell or zinc chloride types, alkaline batteries have a higher energy density and longer shelf - life, with the same voltage . </P> <P> The alkaline battery gets its name because it has an alkaline electrolyte of potassium hydroxide, instead of the acidic ammonium chloride or zinc chloride electrolyte of the zinc - carbon batteries . Other battery systems also use alkaline electrolytes, but they use different active materials for the electrodes . </P> <P> Alkaline batteries account for 80% of manufactured batteries in the US and over 10 billion individual units produced worldwide . In Japan alkaline batteries account for 46% of all primary battery sales . In Switzerland alkaline batteries account for 68%, in the UK 60% and in the EU 47% of all battery sales including secondary types . </P>

Where does an alkaline battery get its name
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