Electrode including si-containing material layer and porous film, and lithium battery employing the same

• Main Authors: HAN, WONCHULL, MIN, JAEYUN, KIM, JINHEE
• Format: Patent
• Language: English; French; German
• Published: 24.01.2007
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The present invention relates to an electrode (200) comprising: an electrode current collector (210); an electrode active material layer (230) formed on the electrode current collector; and a Si-containing material layer (220) formed on at least one of the electrode current collector and the electrode active material layer, the Si-containing material layer comprising a Si-containing compound of Formula I: wherein R 1 , R 2 and R 3 each independently represents a hydrogen atom, a halogen atom, a hydroxyl group, a substituted or unsubstituted amine group, a substituted or unsubstituted thiol group, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C3-C20 cycloalkyl group, a substituted or unsubstituted C1-C20 alkenyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 aryloxy group, or a substituted or unsubstituted C1-C20 alkylcarbonyl group; X is -O-, -SO 3 -, a substituted or unsubstituted C1-C20 alkylene group, a substituted or unsubstituted C2-C20 alkenylene group, a substituted or unsubstituted silanylene group, a substituted or unsubstituted C6-C30 arylene group, a substituted or unsubstituted peptyl group, a substituted or unsubstituted carbonylene group, a substituted or unsubstituted C1-C20 oxyalkylene group, a heteroalkylene group, or -NR- where R is a substituent selected from a group consisting of a hydrogen and a substituted or unsubstituted C1-C20 alkyl group; and A represents a hydrogen atom, a halogen atom, a thiol group, a substituted or unsubstituted amino group, a substituted or unsubstituted C2-C15 heterocycloalkyl group, a substituted or unsubstituted C2-C20 alkenyl group, a substituted or unsubstituted C1-C10 silanyl group, a substituted or unsubstituted C6-C20 aryl group, or (R 4 R 5 R 6 )Si- represented by where R 4 , R 5 and R 6 each independently represents a hydrogen atom, a halogen atom, a hydroxyl group, a substituted or unsubstituted amine group, -SH, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C3-C20 cycloalkyl group, a substituted or unsubstituted C2-C20 alkenyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 aryloxy group, or a substituted or unsubstituted C1-C20 alkylcarbonyl group.