Patent ID: 6790555
Filing Date: 2004-09-14
Classification: H01M,Y02E

Abstract:
An electrochemical cell having a controlled electrode surface, comprising:a first electrode and a second electrode wherein at least one of the first and second electrodes has a carbonaceous surface; an electrolyte containing at least one solvent; an additive associated with the carbonaceous surface of at least one of the first and second electrodes, wherein the additive comprises one or more compounds selected from the group consisting of 4-methyl-tetrahydropyran-2,6-dione, isophorene, 8-methyl-4-oxa-tricyclo[5.2.1.02,6]dec-8-ene-3,5-dione, 6a-methyl-hexahydrofuro[2,3-b]furan-2,5-dione, 1,8,8-trimethyl-3-oxyabicyclo[3.2.1]octane-2,4-dione, and 1-methyl-pyrrolidine-2,5-dione.