Samsung Sdi Co., Inc.

Robert Boschgmbh

Other

Duk-Jung Kim

In Hyuk Kim

Joong-Heon Kim

Zin Min Park

Min-Hyung Guen

Hyung-Sik Kim

Jae-Ik Kwon

Byung-Kyu Ahn

Yong-Sam Kim

Myung-Chul Kim

In Gun Kim

Chi-Young Lee

Soo-Seok Choi

Jong-Seok Moon

Myoung-Chul Kim

Yong-Shik Hwang

Jeong-Jun Kim

Eun-Jung Kim

Hyung-sik Kim

A battery pack includes a plurality of cells, a chamber adjacent to the plurality of cells, and a pressure sensor in the chamber to detect an internal pressure of the chamber, wherein each of the cells includes a first vent hole to open to exhaust a cell internal pressure to an exterior of the cell when the cell internal pressure is equal to or greater than a first pressure level, and a second vent hole to open to exhaust the cell internal pressure into the chamber when the cell internal pressure is equal to or greater than a second pressure level, the first pressure level being higher than that the second pressure level.

Battery pack

A separator for a rechargeable lithium battery includes a backbone polymer, an ion conductive polymer coating the backbone polymer, and an electrolyte solution immersing the backbone polymer, wherein the backbone polymer and the ion conductive polymer are different from each other.

Separator for rechargeable lithium battery

A battery module includes a plurality of overlapping rechargeable batteries arranged in one direction, each rechargeable battery including at least one terminal protruding outside, and a plurality of bus bars electrically connecting terminals of different rechargeable batteries of the plurality of rechargeable batteries, the bus bar including a bent band in surface contact with and electrically connected to a respective terminal.

Battery module

A battery protecting apparatus includes a battery manager and a wake-up switch. The battery manager manages charge and discharge states of a battery pack and wakes up when external power is received. The wake-up switch supplies the external power to the battery manager when an internal temperature of the battery pack is equal to or greater than a predetermined reference temperature. The battery manager performs an emergency protection operation based on detection of the battery pack in a predetermined dangerous state at a time when the ignition switch is turned off and the wake-up switch is turned on.

Protection apparatus for rechargeable battery

Embodiments of the present invention relate to a device for protecting a rechargeable battery including a plurality of unit cells contained in a module case and coupled in series between a first module electrode terminal and a second module electrode terminal, a plurality of bypass switches separated from the plurality of unit cells, electrically connected to each other, and configured to physically contact a first electrode terminal of a respective one of the unit cells according to an internal pressure thereof, and a plurality of bypass fuses for connecting adjacent ones of the plurality of unit cells, and for connecting a last unit cell of the plurality of unit cells and the second module electrode terminal, respectively.

Device for protecting rechargeable battery

An electrical connector includes a lower body with terminal holes, an inflator between the terminal holes in the lower body, an upper body, and a cover, The upper body is on the lower body and includes an opening corresponding to at least one of the terminal holes and a pair of metal holders electrically connected to each other. The cover covers the upper body and includes an end portion coupled to the lower body. An inner surface of the cover faces a top surface of the upper body and includes a space that is separated from the top surface.

Electrical connector

A secondary battery includes a case having an opening therein, a cap plate attached to the case, a plurality of electrode assemblies in the case, each electrode assembly including a positive electrode plate, a negative electrode plate, and a separator between the positive electrode plate and the negative electrode plate, and uncoated edges of the positive and negative electrode plates extending out of each electrode assembly defining electrodes, an electrode terminal protruding outside the cap plate, a gasket covering the electrode terminal, an electrode current collector electrically connecting the electrode assemblies and the electrode terminal, a retainer between the electrode current collector and the case, the retainer being connected to the electrode assemblies, and a damper on a front side of the retainer that faces the electrode assemblies, the damper extending to be positioned between the electrodes of adjacent electrode assemblies.

Secondary battery

A rechargeable battery charging apparatus includes a battery module including a plurality of battery cells, a charging unit configured to charge the battery module using power supplied from an external power source, and an overcharge preventing unit configured to deform according to an internal pressure of the battery module to electrically couple the battery module and the charging unit, wherein the charging unit is configured to stop charging the battery module when the charging unit is electrically coupled to the battery module by the overcharge preventing unit.

Rechargeable battery charging apparatus

A rechargeable battery and a rechargeable battery module, the rechargeable battery including an electrode assembly; a case accommodating the electrode assembly; a cap plate closing and sealing an opening of the case; and electrode terminals electrically connected to the electrode assembly and disposed in terminal holes of the cap plate, at least part of the electrode terminals being exposed outside of the cap plate, wherein each of the electrode terminals includes a base portion facing the cap plate; and a coupling portion protruding from at least one part of a top of the base portion, the coupling portion being coupleable to a bus bar by press-fitting.

Rechargeable battery and rechargeable battery module including the same

A rechargeable battery includes a plurality of electrode assemblies including a first electrode assembly and a second electrode assembly; a case housing the plurality of electrode assemblies; a first conductive plate between the first electrode assembly and the case; and a first contact electrically coupling the first conductive plate to the second electrode assembly.

Rechargeable battery

A rechargeable battery protection apparatus includes: a battery module including a plurality of unit cells coupled in series between a positive terminal and a negative terminal, and configured to be coupled to a charger through a first external port coupled to the positive terminal and a second external port coupled to the negative terminal to charge the plurality of unit cells; a pack fuse on a high current path between the battery module and the charger; and a connector that forms a bypass path that bypasses a current between a first unit cell and a second unit cell among the plurality of unit cells to the pack fuse depending on an internal pressure of the battery module.

Rechargeable battery protection apparatus

A secondary battery including a case, at least one electrode assembly housed in the case, and a cap plate coupled to the case includes a terminal protruding through the cap plate, a collector between the cap plate and the electrode assembly electrically coupling the terminal and the electrode assembly, and an insulation member between the collector and the electrode assembly. The insulation member may include a flow passage between the collector and the insulation member configured to allow an electrolyte of the secondary batter to flow through.

A secondary battery including an electrode assembly; a case accommodating the electrode assembly; a cap plate sealing the case; a terminal plate on the cap plate; a current collecting terminal penetrating through the cap plate and the terminal plate, the current collecting terminal being coupled with a top surface of the terminal plate and being electrically connected to the electrode assembly; and a reinforcing plate coupled with a bottom surface of the terminal plate to face the terminal plate.

A rechargeable battery includes: an electrode assembly including a first electrode having a first polarity and a second electrode having a second polarity, the second polarity being different from the first polarity; a case housing the electrode assembly; a first terminal electrically connected to the first electrode; a cap plate coupled to an opening of the case; a first lower insulating member between the first electrode and the cap plate; and a first short-circuit member between the first terminal and the first lower insulating member, and configured to be deformed to electrically connect the first electrode to the cap plate, wherein the first terminal includes a first fixing portion electrically connected to the first electrode.

A secondary battery includes a case; a cap plate coupled to the case; at least one electrode assembly accommodated in the case, the electrode assembly including a positive electrode plate, a negative electrode plate, and a separator located between the positive and negative electrode plates; an electrode collector electrically connected to the electrode assembly; an electrode terminal connected to the electrode collector and protruding outward from the cap plate; a gasket surrounding the electrode terminal; and a reinforcement part coupled to the gasket such that at least a portion of the electrode collector is located between the reinforcement part and the gasket.

Growing community of inventors

Yongin-si, South Korea

Duk-Jung Kim