Patent ID: 8628876

Claim:
A battery assembly comprising: a casing; an electrode assembly positioned within the casing, wherein the electrode assembly includes a first electrode, a second electrode and a separator interposed therebetween wherein the first electrode includes a first coated portion that is coated with a first electrode active material and at least one first uncoated portion having a first and a second side and wherein the second electrode includes a second coated portion that is coated with a second electrode active material and at least one second uncoated portion having a first and a second side wherein the first and second uncoated portions have a length; a first electrode tab that is coupled to the at least one first uncoated portion of the first electrode; a second electrode tab that is coupled to the at least one second uncoated portion of the second electrode; and a first lamination layer positioned on at least a part of the first side of the first uncoated portions of the first electrodes so that the first uncoated portions is covered by the first lamination layer entirely along the length of the first uncoated portion wherein the second side of the first uncoated portion is uncoated by a lamination layer and a second lamination layer is positioned on at least a part of the coated portion of the second electrode so that the second lamination layer is interposed between the coated portion of the second electrode and the uncoated portion of the first electrode.