Photograph of a potato battery powering a clock. A potato battery is an electrochemical battery or electrochemical cell. In the cell chemical energy is converted to electric energy by a spontaneous electron transfer. Zinc metal reacts with copper wiring to create energy which is then transferred to the clock. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Science Source |
Taille de l’image : | 3115 px × 3743 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |