Samsung Sdi Co., Inc.

Robert Boschgmbh

Janghyun Song

Hyunsoo Lee

Minseok Koo

Hyunyoung Lim

Sora Lee

Eungyeong Gu

Soomin Ahn

Minkyun Mok

Youngdeok Kim

Yongsam Kim

Taisun You

Provided is a battery pack. The battery pack includes: a battery cell including a cell vent; frames arranged together with the battery cell in a direction and coupled together to face each other with the battery cell therebetween, the frames including guide ribs surrounding the cell vent; and a top cover arranged above the frames to cover the frames and including a protruding barrier wall surrounding the guide ribs. According to the present disclosure, the battery pack has an improved vent structure to rapidly discharge gas generated in an abnormal battery cell to the outside of the battery pack.

Battery pack

Disclosed is a secondary battery that may include an electrode assembly; a case to accommodate the electrode assembly; a cap plate to seal the case; and at least one electrode terminal connected to the electrode assembly and passing through the cap plate, wherein the electrode terminal includes a terminal plate positioned on the cap plate and a terminal pin passing through the cap plate and the terminal plate, the terminal plate includes at least two rivet grooves having a predetermined depth from a top surface of the terminal plate, and the terminal pin includes at least two stepped portions protruding from a side surface of the terminal pin to correspond to the at least two rivet grooves.

Secondary battery and electrode terminal for the secondary battery

A secondary battery, including an electrode assembly; a case accommodating the electrode assembly; a cap plate sealing the case; at least one electrode terminal including a terminal plate on the cap plate and a terminal pin passing through the cap plate and the terminal plate and electrically connected to the electrode assembly; and at least one groove on a top surface of the terminal plate; a top portion of the terminal pin is bent for insertion into the at least one groove.

Secondary battery with terminal pin

A secondary battery and a method for manufacturing a secondary battery, the battery including a case having an internal space; an electrode assembly in the case, the electrode assembly including a first electrode plate, a second electrode plate, and a separator; a cap plate coupled with the case and sealing the case; and an electrode terminal part passing through the cap plate, the electrode terminal part including electrode terminals and a terminal plate, wherein the electrode terminal and the terminal plate are made of different materials are coupled to each other by riveting.

Secondary battery and method for manufacturing the same

A secondary battery includes an electrode assembly comprising a first electrode plate, a second electrode plate and a separator located between the first electrode plate and the second electrode plate; a case accommodating the electrode assembly; a cap plate sealing the case; a first collector plate comprising a first vertical part electrically connected to the first electrode plate, a first horizontal part bent from the first vertical part and extending between the electrode assembly and the cap plate, and a first protrusion protruding from the first horizontal part; and a first electrode terminal electrically connected to the first collector plate and extending through the cap plate, wherein the first electrode terminal has a coupling opening engaged with the first protrusion.

Secondary battery

A secondary battery including an electrode assembly; a case accommodating the electrode assembly; a cap plate coupled with the case; a terminal electrically connected to the electrode assembly and extending through the cap plate; and a safety member between the terminal and the cap plate, the safety member having an apex contacting one of the cap plate and the terminal to electrically connect together the cap plate and the terminal.

Growing community of inventors

Yongin-si, South Korea

Janghyun Song