Dry cell

Up to now, all batteries were made of liquids inside a container, which was not safe. The dry cell battery was invented, which converted battery fluid into a non-spillable paste. This innovation made batteries safer and more practical for everyday use.
 Georges Leclanché France 1867 Dry cell

Up to now, all batteries were made of liquids inside a container, which was not safe. The dry cell battery was invented, which converted battery fluid into a non-spillable paste. This innovation made batteries safer and more practical for everyday use.