Samsung Sdi Co., Inc.

Robert Bosch G.m.b.h.

Sb Limotive Company Ltd.

Samsund Sdi Co., Ltd.

Sang-Won Byun

Yong-Sam Kim

Sung-Bae Kim

Byung-Kyu Ahn

Chi-Young Lee

Myung-Jae Jang

Min-Yeol Han

Jeong-Won Oh

Hyo-Seob Kim

Dae-Won Han

Hong-Hyeon Lee

Won-Jun Lee

Tae-Yong Kim

Soo-Seok Choi

Seok-Yoon Yoo

Masanori Kogure

Hae-Kwon Yoon

Zin Min Park

In Hyuk Kim

Yoon-Cheol Jeon

Hyung-Sik Kim

Jae-Kyung Kim

Gun-Goo Lee

Tatsuya Hashimoto

Hyun-Soo Lee

Min-Seok Koo

Kwan-Hyung Lee

Young-Sik Moon

Sang-jin Park

Min-Hyung Guen

Sang-Eun Cheon

Ji-Hyoung Yoon

Jong-Seok Moon

Sang-Kyoon Park

Jong-Woo Nam

Yun-Jung Kwak

Seung-Bok Lee

Yong-Hee Yun

Jun-Yong Lee

Young-Bong Choi

Hyun-Chul Kim

Jae-Wook Lee

Ki-Ho Kim

Hyun Soh

Sang-Shin Choi

Yong-Chul Seo

Seok-Joon Yoon

Yoon-Tai Kwak

Yong-Shik Hwang

Jeong-Wan Haam

Gwan-Chan Jeon

Hyun-Young Lim

Soo-Kyoung Yoo

Heung-Tack Shim

Kyu-Won Cho

Kwan Hyung Lee

Soo-Soek Choi

Yong-Hae Kang

Kyung-Joon Kim

Sang Kyu Byun

A secondary battery, including an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a first lead tab electrically connected to the first electrode; a second lead tab electrically connected to the second electrode; a case accommodating the electrode assembly, the first lead tab, and the second lead tab therein, with an opening in a top of the case; a cap plate closing the opening of the case; and a bottom retainer on a bottom interior of the case, the bottom interior facing the top of the case, the bottom retainer including a non-contact region not in contact with the bottom interior of the case.

Secondary battery including bottom retainer

An exemplary embodiment of the present disclosure provides a rechargeable battery including: an electrode assembly that includes a first electrode, a second electrode, and a separator interposed between the first electrode and the second electrode; a case that accommodates the electrode assembly, in one lateral surface of which a hole is formed, and that includes an opening formed in another lateral surface facing the one lateral surface; a sealing portion that is connected to the hole and seals the hole so that a lateral surface of the case is flattened; a cap plate combined with the opening; and a second terminal that is connected to the second electrode and is protruded outside the case while passing through the cap plate, wherein the hole may have a shape recessed toward the electrode assembly with respect to a surface of the case.

Rechargeable battery

A battery module includes a first rechargeable battery and a second rechargeable battery electrically coupled in series to each other, the first rechargeable battery and the second rechargeable battery each including a first electrode and a second electrode, and the first rechargeable battery and second rechargeable battery each including a short circuit member that deforms when an internal pressure of the respective one of the first rechargeable battery and second rechargeable battery exceeds a predetermined pressure, and a fuse member including a first pad electrically coupled to the second electrode of the second rechargeable battery, a second pad overlapping the short-circuit member of the second rechargeable battery, and a plurality of fuses formed between the first pad and the second pad, wherein widths of the fuses are smaller than widths of the first and second pads.

Battery module

A rechargeable battery includes: a case accommodating an electrode assembly; a cap plate closing and sealing an opening of the case; an electrode terminal including a rivet terminal being coupled to the electrode assembly and extending through a terminal opening in the cap plate, and a plate terminal being at an outer surface of the cap plate and coupled to the rivet terminal; and an insulating member electrically insulating the electrode terminal from the cap plate, the insulating member including a first insulator and a second insulator. The first insulator being between the cap plate and the plate terminal at an outer periphery of the rivet terminal, and the second insulator being coupled to the first insulator at an outer periphery of the first insulator and between the cap plate and the plate terminal.

A rechargeable battery includes an electrode assembly including first and second electrodes, a case in which the electrode assembly is accommodated, a cap plate combined to an opening of the case, the cap plate including a first terminal hole and a second terminal hole, a first electrode terminal passing through the first terminal hole of the cap plate and a second electrode terminal passing through the second terminal hole of the cap plate, and a lead tab connecting the electrode assembly to the second electrode terminal. The second electrode terminal includes a press-fit portion protruding therefrom, the press-fit portion being press-fitted to the second terminal hole of the cap plate.

A secondary battery having improved safety includes an electrode assembly, a case configured to accommodate the electrode assembly, and a cap assembly coupled to the case. The cap assembly includes a cap plate configured to cover the case and defining a short-circuit opening therein, a short-circuit plate exterior to the cap plate and positioned such that at least a portion of the short-circuit plate is positioned in the short-circuit opening, a first deformable plate inside the cap plate, and a cover exterior to the short-circuit plate extending over the short-circuit plate. A space defined between the cover and the first deformable plate has a negative pressure.

Secondary battery

A battery module is disclosed. In one aspect, the battery module includes: a plurality of rechargeable batteries electrically connected to each other, wherein each of the rechargeable batteries comprises a first short-circuit generator configured to be short-circuited based on an increase in battery internal pressure. The battery module also includes a positive electrode and a negative electrode respectively connected to first and second ones of the rechargeable batteries and a first drawn-out tab and a second drawn-out tab respectively connected to the positive and negative electrodes. The battery module further includes a switch configured to electrically connect the negative electrode and the second drawn-out tab and a second short-circuit generator electrically connected to the switch, wherein the second short-circuit generator overlaps, in the height dimension of each of the rechargeable batteries, the first short-circuit generator of the second rechargeable battery.

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 accommodating the electrode assembly; a cap plate sealing an opening of the case; a first sub-terminal including a first portion and a second portion integrally formed with the first portion, the first portion being arranged at one end of the cap plate and the second portion being arranged at an outer surface of the case; and a second sub-terminal including a third portion and a fourth portion integrally formed with the third portion, the third portion being arranged at another end of the cap plate and the fourth portion being arranged at another outer surface of the case.

Rechargeable battery and rechargeable battery module

A rechargeable battery includes an electrode assembly including a first electrode and a second electrode; a case receiving the electrode assembly; a cap plate coupled to the case and defining a terminal hole; a first electrode terminal at the cap plate; a second electrode terminal at the cap plate; a first current collecting tab electrically connecting the electrode assembly to the first electrode terminal; and a second current collecting tab electrically connecting the electrode assembly to the second electrode terminal, wherein at least one of the first electrode terminal or the second electrode terminal protrudes outside the cap plate as a rivet terminal.

Rechargeable battery and rechargeable battery module using the same

A rechargeable 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 configured to accommodate the electrode assembly and having an opening; a cap plate configured to be combined to the opening; a first current collecting member and a second current collecting member configured to be electrically connected to the first electrode and the second electrode, respectively; and a first terminal and a second terminal configured to be electrically connected to the first electrode and the second electrode, respectively, and the first current collecting member may include a first current collecting plate electrically connected to the first electrode, and a first connecting protrusion which protrudes from the first current collecting plate and has a first terminal hole into which the first terminal is inserted.

A rechargeable battery includes: an electrode assembly having a first electrode and a second electrode; an electrode terminal electrically coupled to the electrode assembly; a case that receives the electrode assembly; a cap plate at an opening of the case that closes and seals the case, the cap plate having a vent hole to discharge an internal pressure of the case and having a vent plate that closes and seals the vent hole; and a short circuit member having one end electrically coupled to the electrode assembly and another end that extends along a direction toward the vent hole at the inside of the case. At least a portion of the short circuit member is modified to be drawn outside of the vent hole when the internal pressure is discharged.

A rechargeable battery includes an electrode assembly including first and second electrodes; a case in which the electrode assembly is accommodated; a cap plate combined to the case; an electrode terminal provided in the cap plate and including first and second electrode terminals; and a lead tab including first and second current collecting tabs for electrically connecting the electrode assembly to the electrode terminal, wherein the second current collecting tab includes an electrode connecting portion that is connected to the electrode assembly, and a terminal connecting portion that is bent from the electrode connecting portion and electrically coupled to the cap plate.

Rechargeable battery with connected cap plate and current collector

A rechargeable battery includes an electrode assembly including a first electrode, a separator, and a second electrode, a case for accommodating the electrode assembly, and defining an opening at a side of the case for receiving the electrode assembly, a cap assembly mounted to the case at the opening of the case, and including a first electrode terminal and a second electrode terminal respectively electrically connected to the first electrode and the second electrode, and a protective member for covering the case and the cap assembly, and including a first bonding portion corresponding to a bottom surface of the case, a plurality of second bonding portions respectively corresponding to first lateral walls of the case, and a plurality of finish portions respectively overlapping opposite ends of the second bonding portions.

A rechargeable battery includes: an electrode assembly including a first electrode and a second electrode; a case accommodating the electrode assembly; a first terminal electrically coupled to the first electrode, and a second terminal electrically coupled to the second electrode; a cap plate combined to the case and having a short-circuit hole formed therein; a membrane fixed to the cap plate and arranged in the short-circuit hole, the membrane being deformable to short-circuit the first electrode and the second electrode; and a short-circuit protrusion electrically coupled to the second electrode and arranged above the membrane to protrude theretoward, the short-circuit protrusion being arranged toward a side from a center of the short-circuit hole.

Rechargeable battery having short-circuit protrusion

A rechargeable battery includes a terminal, a connector, and an insulator. The terminal protrudes from a cap plate and electrically connected to an electrode. The connector is between the first terminal and the cap plate and includes a hole for the terminal. The insulator overlaps a first area of a top surface of the connector and a first area of a bottom surface of the connector, and does not overlap a second area of the top surface of the connector and a second area of the bottom surface of the connector.

Growing community of inventors

Yongin-si, South Korea

Sang-Won Byun