Robert Boschgmbh

Samsung Sdi Co., Inc.

Samsunc Sdi Co., Ltd.

Sb Limotive Company Ltd.

Yongsam Kim

Dongwook Kim

Sangwon Byun

Jongseok Moon

Sungbae Kim

Sooseok Choi

Yoontai Kwak

Byungkyu Ahn

Kyuwon Cho

Daewon Han

Jeongwon Oh

Chiyoung Lee

Seokyoon Yoo

Janghyun Song

Byungkyu Aiin

Taisun You

A secondary battery including a case; an electrode assembly and electrolyte accommodated in the case; an electrode terminal electrically connected to the electrode assembly, the electrode terminal including a terminal body; a cap plate sealing the case, the terminal body penetrating through the cap plate; and a seal gasket surrounding a lower portion of the terminal body, wherein the electrode terminal includes a laterally protruding part on a portion of the terminal body protruding outside the case, and the seal gasket is in close contact with a lower end of the protruding part.

Secondary battery

Disclosed is a secondary battery having improved safety against puncture and collapse. The secondary battery includes an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode, a case receiving the electrode assembly, a cap plate coupled to the case, and a support plate electrically coupled to the first and second electrodes of the electrode assembly, the support plate being disposed between the electrode assembly and the case.

Rechargeable secondary battery having improved safety against puncture and collapse

A secondary battery module including a plurality of unit batteries, each including a first terminal and a second terminal, and a plurality of bus bars, each electrically connecting the first terminal of one of the unit batteries to the second terminal of an adjacent unit battery, wherein the first terminal and second terminal each include a first contact surface and a second contact surface opposite to the first contact surface, the bus bars include a first coupling portion in contact with the first contact surface and the second contact surface of the first terminal of one of the unit batteries, a second coupling portion in contact with the first contact surface and the second contact surface of the second terminal of an adjacent unit battery and a connecting portion connecting the first and second coupling portions.

Secondary battery module

A secondary battery includes a case with an internal space, at least one electrode assembly in the case, the electrode assembly including a separator between a positive electrode plate and a negative electrode plate, a current collector plate coupled to the electrode assembly, the current collector plate including an electrode terminal, a dielectric body with a through-hole on the current collector plate, the electrode terminal of the current collector plate protruding through the through-hole of the dielectric body, a gasket in the through-hole of the dielectric body, and a cap plate coupled to an upper portion of the dielectric body.

A rechargeable battery including an electrode assembly including first and second electrode plates, each of which includes an electrode uncoated portion and a separator interposed between the first and second electrode plates, and at least one current collector plate, each current collector plate contacting one of the electrode uncoated portions of the first and second electrode plates, wherein each current collector plate includes a protrusion protruding toward the electrode assembly and having a contact portion contacting one of the electrode uncoated portions, and a slit in the contact portion disposed at a predetermined angle with respect to the direction of the electrode assembly.

Rechargeable battery having current collection plate with protrusion

A battery, including a housing defining an interior space, the housing including a safety vent, the safety vent having a concave shape such that a central portion of the safety vent protrudes toward the space, a region of the safety vent that protrudes farthest toward the space being about midway between peripheral edges of the safety vent.

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.

A prismatic type secondary battery including an electrode assembly, the electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case accommodating the electrode assembly, the case having an open upper end and at least two pairs of surfaces facing each other; a cap assembly sealing the open upper end of the case; and an insulation tube surrounding a lateral periphery of the case and the cap assembly within a region up to a certain height or greater, the insulation tube including at least one elasticity part at a side thereof.

Prismatic type secondary battery including insulation tube

A rechargeable battery includes an electrode assembly having a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate; a first collecting plate electrically coupled to the first electrode plate, the first collecting plate including a fuse reinforcement part having a fuse opening and a reinforcement protrusion protruding from a periphery of the fuse opening; a case housing the electrode assembly and the first collecting plate; and a cap assembly coupled to the case and comprising a cap plate.

Rechargeable battery

A secondary battery, including an electrode assembly including a first electrode, a second electrode, and a first electrode tab and a second electrode tab connected to the first electrode and the second electrode, respectively; a case including a receiving part that receives the electrode assembly, the case having an open side; a cap plate sealing the open side of the case; and a first electrode terminal and a second electrode terminal passing through the cap plate, the first electrode terminal being connected to the first electrode tab, the second electrode terminal being connected to the second electrode tab, the first electrode terminal including a first terminal, a lower terminal plate provided at a top end of the first terminal, and an upper terminal plate provided at a top end of the lower terminal plate, the first electrode tab being connected to a bottom end of the first terminal.

Secondary battery including a lower terminal plate and an upper terminal plate

A rechargeable battery including an electrode assembly; a case accommodating the electrode assembly; a cap plate sealing the case, the cap plate including a vent hole for discharge of gas; and a safety vent at the vent hole, wherein the safety vent includes main groove at a center thereof; and sub groove around the main groove.

A rechargeable battery includes a case containing an electrode assembly and an electrolyte solution; a cap plate sealing the case; an electrode terminal electrically coupled to the electrode assembly and extending through the cap plate; and a seal gasket positioned between the electrode terminal and the cap plate, wherein the seal gasket has a beveled edge extending around a circumference of the seal gasket.

A rechargeable battery includes a case; an electrode assembly housed in the case, wherein the electrode assembly includes a first electrode, a second electrode and a separator between the first electrode and the second electrode; and a support plate between the electrode assembly and the case, the support plate having a first conductive plate electrically coupled to the electrode assembly; wherein an insulation layer is between the first conductive plate and the electrode assembly and wherein an adhesive section is between the insulation layer and the first conductive plate.

Growing community of inventors

Yongin-si, South Korea

Yongsam Kim