(1839–1882) French engineer and inventor
Leclanché, who was born in Paris is best known for his invention of the electrical battery, now known as the dry cell. This he developed in 1866, six years after completing his formal technical education and starting work as an engineer. The cell, which uses ammonium chloride as the electrolyte and zinc and carbon as the electrodes, was used extensively in the telegraph system from 1868 onward.
Subjects: Science and Mathematics.