ELECTRODE ASSEMBLY FOR SECONDARY BATTERY, METHOD OF MANUFACTURING THE SAME AND SECONDARY BATTERY WITH THE SAME

• US 20110091762A1
• Filed: 09/16/2010
• Published: 04/21/2011
• Est. Priority Date: 10/15/2009
• Status: Active Grant

• Current Assignee: Samsung SDI Company Limited
• Original Assignee: Samsung SDI Company Limited
• Inventors: AHN, Changbeom, SHIN, Jeongsoon, SOHN, Youngbae
• Granted Patent: US 8,741,469 B2
• Time in Patent Office: Days
• US Class Current: 429/144
• CPC Class Codes: H01M 10/0418 with bipolar electrodes
• CPC Class Codes: H01M 10/0431 Cells with wound or folded electrodes H01M10/045 takes precedence
• CPC Class Codes: H01M 10/044 with bipolar electrodes
• CPC Class Codes: H01M 10/052 Li-accumulators
• CPC Class Codes: H01M 10/058 Construction or manufacture
• CPC Class Codes: H01M 10/0587 of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
• CPC Class Codes: H01M 50/466 U-shaped, bag-shaped or folded
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y02P 70/50 Manufacturing or production processes characterised by the final manufactured product
• CPC Class Codes: Y10T 29/49108 Electric battery cell making

Abstract

An electrode assembly for a secondary battery, a method of manufacturing the electrode assembly and a secondary battery having the electrode assembly. The electrode assembly includes a plurality of electrode members arranged in a stacked shape along a baseline extending in one direction and a separation unit separating two adjacent electrode members. The separation unit includes three or more separators having a same winding center.

Claims