Patent ID: 8614015

Claim:
A secondary battery, comprising: an electrode terminal; first and second collecting plates branching out from the electrode terminal; and first and second electrode assemblies rolled up in a jelly-roll type unit, the first electrode assembly having a first non-coating portion adhered to the first collecting plate, the second electrode assembly having a second non-coating portion adhered to the second collecting plate, the first and second collecting plates being on facing surfaces of respective first and second non-coating portions, wherein the first non-coating portion is spaced apart from a roll center of the first electrode assembly by a first predetermined distance along a direction directed away from the second non-coating portion, wherein the second non-coating portion is spaced apart from a roll center of the second electrode assembly by a second predetermined distance along a direction directed away from the first non-coating portion, and wherein an entire first non-coating portion of the first electrode assembly is adhered to the first collecting plate, an entire second non-coating portion of the second electrode assembly is adhered to the second collecting plate, and the first and second non-coating portions being connected only via the electrode terminal.