With his fellow professor at the École Polytechnique, Louis Jacques Thénard, Gay-Lussac also participated in early electrochemical research, investigating the elements discovered by its means.
Dengan rekan profesornya di École Polytechnique, Louis Jacques Thénard, Gay-Lussac juga berpartisipasi dalam penelitian elektrokimia awal, meneliti unsur-unsur yang ditemukan dengan metode elektrokimia.