Patent ID: 7745046

Claim:
A secondary battery, comprising: an electrode assembly including positive and negative elements wound together with a separator therebetween and respectively including positive and negative electrodes; a container having one open end and adapted to receive the electrode assembly; a cap assembly having a base plate and at least two terminals passing through the base plate and exposed outside of the container, the cap assembly being adapted to be fixed to the one open end of the container to seal the container; and lead elements adapted to electrically connect the at least two terminals to the electrode assembly; wherein a center of each of the at least two terminals is aligned with a center of the electrode assembly, and wherein the lead elements are spaced apart from the center of their respective terminals and are adapted to be connected between their respective terminals and the electrode assembly; wherein the positive and negative electrodes have respective separate positive and negative uncoated regions lacking active material, the positive and negative uncoated regions being arranged on respective opposite ends of the positive and negative electrodes, respectively, and compressed together; and wherein the at least two terminals and the lead elements are respectively connected to the compressed positive and negative uncoated regions.