Samsung Sdi Co., Inc.

Robert Boschgmbh

Sb Limotive Company Ltd.

Sung-Bae Kim

Sang-Won Byun

Yong-Sam Kim

Byung-Kyu Ahn

Hyo-Seob Kim

Dae-Won Han

Soo-Seok Choi

Sang-Eun Cheon

Tatsuya Hashimoto

Chi-Young Lee

Zin Min Park

Ki-Ho Kim

Jong-Seok Moon

Jung-Keun Ahn

Joong-Heon Kim

Chul-Hong Kim

Seok-Joon Yoon

Yong-Shik Hwang

Masanori Kogure

Hyun-Mi Jeong

Bu-Kyeong Mo

Soo-Soek Choi

Jeong-Rok Cha

Kyu-Won Cho

Song-Won Byun

San-Won Byun

A rechargeable battery includes a case, a first electrode coupled to the case, a second electrode coupled to the case and the second electrode having a portion extending outside of the case, a short bar electrically coupled to the portion of the second electrode, and an extensible member extending from the case and at least a portion of the short bar being on the extensible member with a gap therebetween. The extensible member is configured to couple the short bar electrically to the first electrode in response to an overcharging condition of the rechargeable battery, thereby short-circuiting the first and second electrodes via the short bar.

Rechargeable battery including an extensible member

A rechargeable battery including an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case containing the electrode assembly; a cap plate covering an opening of the case; and an external short circuit assembly on the cap plate and including: a cover on the cap plate; and a terminal plate on the cover and coupled to the cover.

Rechargeable battery

A terminal unit of a secondary battery and a method of manufacturing the same, the terminal unit including an electrode rivet, the electrode rivet being connected to an electrode assembly; a rivet terminal, the rivet terminal including a metal different from a metal of the electrode rivet; and a medium plate, the medium plate including a same metal as the electrode rivet, and being disposed between the electrode rivet and the rivet terminal so as to be overlap-weldable to the rivet terminal.

Terminal unit for secondary battery and method of manufacturing the same

A secondary battery having a current interrupt device (CID) between a negative current collecting plate and a case of the secondary battery. The secondary battery includes: an electrode assembly including a positive electrode, a separator, and a negative electrode; a case housing the electrode assembly; a cap assembly coupled to the case for sealing the case; a positive current collecting plate connected to the positive electrode and the cap assembly; an insulator in the case adjacent an end plate of the case; and a negative current collecting plate connected to the negative electrode and the end plate of the case, the end plate being curved convexly toward an inner cavity of the case.

Secondary battery

A battery module including a plurality of rechargeable batteries, and a connector for connecting a first terminal of one of the plurality of rechargeable batteries and including a first material to a second terminal of another one of the plurality of rechargeable batteries and including a second material, wherein the connector includes: a first portion connected to the first terminal and including the first material; and a second portion connected to the second terminal and including the second material, and a welded portion connecting the first portion and the second portion.

Battery module with welded portion between terminals

A battery module according to the present invention includes rechargeable batteries that include a first terminal and a second terminal which protrude outward, the first terminal including differentiation portions formed of an indentation or a protruding portion to differentiate the first terminal from the second terminal; and connection members that electrically connect the rechargeable batteries, fixed to the first and second terminals of adjacent rechargeable batteries, including verification portions which fit the differentiation portions so as to improve assemblability and minimize contact resistance.

Battery module

A battery module includes a plurality of battery units, each including an electrode assembly and an electrode terminal electrically connected to the electrode assembly; a bus bar connecting the electrode terminal of a first battery unit of the plurality of battery units and the electrode terminal of a second battery unit of the plurality of battery units; and a position arrangement unit configured to maintain a position of the bus bar relative to the electrode terminals of the first and second battery units.

A rechargeable battery including an electrode assembly; a terminal; a fuse, the electrode assembly, the terminal, and the fuse being electrically connected to each other; and an insulating blocking member in operative co-operation with the fuse.

Rechargeable battery having a fuse with an insulating blocking member

A secondary battery includes a case configured to accommodate an electrode assembly, a safety vent on a first side of the case, and a film unit disposed on the first side of the case, the film unit including a first film unit covering at least a part of the safety vent, the first film unit including a break unit, and a second film unit extending from the first film unit, the second film unit being adhered to the case.

Secondary battery with film covering safety vent

A rechargeable battery and a battery module, the rechargeable battery including an electrode assembly formed by winding a positive electrode and a negative electrode and a separator therebetween; a case accommodating the electrode assembly; a cap plate sealing an opening at one side of the case, the cap plate including a terminal hole therethrough; an electrode terminal in the terminal hole of the cap plate, the electrode terminal extending to an outside from an inside of the case and being connected to the electrode assembly; and a terminal cap including an electrical insulating material, the terminal cap covering the electrode terminal from the outside of the case.

Rechargeable battery and battery module

A rechargeable battery includes an electrode assembly including wound positive and negative electrodes with a separator therebetween, a case configured to contain the electrode assembly, a cap plate configured to seal an opening of the case, the cap plate including a terminal hole therethrough, an electrode terminal through the terminal hole of the cap plate, the electrode terminal including a terminal through-out portion extending through the terminal hole, a terminal plate connected to the terminal through-out portion outside the case, and a fastening portion including a terminal fastening portion connected to the terminal plate, and a lead tab inside the case, the lead tab connecting the terminal through-out portion of the electrode terminal to the electrode assembly.

Rechargeable battery with terminal through-out portion, terminal plate, and fastening portion

A rechargeable battery including an electrode assembly; a case in which the electrode assembly is installed; a cap assembly coupled to an opening of the case and to an externally protruded terminal, the cap assembly including a cap plate; a first gasket between the terminal and the cap plate; and a second gasket between the terminal and the cap plate, the second gasket having a blocking portion overlapped with the first gasket.

Rechargeable battery including overlapping first and second gaskets between terminal and cap plate

A battery including an electrode assembly including a positive electrode, a negative electrode, and a separator therebetween; a case housing the electrode assembly; a cap plate coupled to the case; a collector plate coupled to the electrode assembly; and a terminal coupled to the collector plate and passing through the cap plate, wherein the terminal includes a terminal protrusion and a bottom protrusion, the collector plate includes an electrode region coupled to the electrode assembly and a terminal region coupled to the terminal, the terminal region including a combining hole passing therethrough, the combining hole having a noncircular shape, and the bottom protrusion of the terminal has an interengaging, matching shape relative to the combining hole, passes through the combining hole of the collector plate, and is welded to a lower surface of the collector plate.

A rechargeable battery includes an electrode assembly including a positive electrode, a negative electrode, and a separator therebetween; a case that has an opening that houses the electrode assembly; a cap assembly including a cap plate that covers the opening of the case; and an electrode terminal that is electrically connected to the electrode assembly and protrudes through the cap plate to the outside of the case. The electrode terminal includes a lower terminal plate that is connected to the electrode assembly, an upper terminal plate that covers an upper part of the lower terminal plate, and a terminal fastener that is housed in a space between the lower terminal plate and the upper terminal plate that protrudes through an upper surface of the upper terminal plate.

A rechargeable battery includes an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case housing the electrode assembly; and a cap assembly connected to the case. The cap assembly includes a first tab electrically connected to the first electrode, a second tab electrically connected to the second electrode, an deformable plate capable of electrically connecting the first tab and the second tab by being deformed due to a pressure increase, and an intermediate member formed between the first tab and the deformable plate.

Growing community of inventors

Suwon-si, South Korea

Sung-Bae Kim