EST工业（中国）公司

             The connecton between chestry ≈ electrcty≈s a very old one, on back to Alessandro≈Volta‘s dscovery, n 1793, that electrcty≈could be produced by placn two dsslar≈etals on opposte sdes of a ostened paper.

        By usn electrochecal prncples, electrcal enery s converted nto the checal enery of desrable aterals.

        Nature can convert checals nto electrcty n ways that we reret: corroson s an exaple of ths unwelcoe converson.

        Electrodes are the places where chestry converts to electrcty, or vce versa. A typcal electrode s the surface of a pece of etal n contact wth a soluton of salts and other checals dssolved n water.