Samsung Sdi Co., Inc.

Jaemin Im

Kyunghoon Cho

Kyung Kon Kim

Euysun Jung

Soomi Eo

Jeawoan Lee

Seunghee Park

Youngchang Lim

Kwonchul Kim

A secondary battery is disclosed. In one aspect, the secondary battery includes an electrode assembly, a case accommodating the electrode assembly and a lead member extending from the electrode assembly to outside of the case. The secondary battery also includes an insulation member at least partially covering the lead member, the insulation member having an exterior portion that is located outside the case and an interior portion that is located inside the case, wherein the interior portion has a first thickness, and wherein at least part of the exterior portion has a second thickness less than the first thickness. The secondary battery may have a compact structure, and insulation characteristics of the secondary battery may be improved.

Secondary battery including insulation member having multiple thicknesses

Growing community of inventors

Yongin-si, South Korea

Jaemin Im