Patent ID: 8034481

Claim:
A pouch-type secondary battery, comprising: a cladding comprising a sealing portion; an electrode assembly comprising a positive electrode plate, a negative electrode plate, and a separator, wherein the electrode assembly is disposed in the cladding; a negative electrode tab electrically coupled to the negative electrode plate and extending out of the cladding through the sealing portion; a positive electrode tab electrically coupled to the positive electrode plate and extending out of the cladding through the sealing portion; a first tab tape disposed between the negative electrode tab and the sealing portion; and a second tab tape disposed between the positive electrode tab and the sealing portion, wherein the second tab tape comprises a first end distal to the electrode assembly and a second end proximal to the electrode assembly, wherein at least one of the first end and the second end of the second tab tape is located inside the sealing portion, and wherein the second tab tape is thinner than the first tab tape.