Samsung Sdi Co., Inc.

Robert Boschgmbh

Joong-Heon Kim

Sang-Won Byun

Duk-Jung Kim

Hui-Jun Lee

Min-Hyung Guen

In Hyuk Kim

Myung-Chul Kim

Sung-Bae Kim

Jong-Seok Moon

Chi-Young Lee

Zin Min Park

Byung-Kyu Ahn

Jeong-Won Oh

Cheol-Ho Park

Yong-Chul Seo

Jin-Uk Lee

Seung-Ho Kwak

Hong-Hyeon Lee

Sang-Kyoon Park

Young-Sik Moon

Jeong-Wan Haam

Hee-Sang Nam

Myoung-Chul Kim

A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly including electrodes at opposite sides of a separator, each of the electrodes having a coated region and an uncoated region, and the electrodes and the separator being spirally wound; an insulating case for accommodating the electrode assembly and allowing the uncoated regions to be drawn out through respective uncoated region holes; a case for accommodating the insulating case; and a cap plate coupled to an opening of the case and allowing electrode terminals respectively coupled to the uncoated regions to be drawn out through respective terminal holes.

Rechargeable battery

A battery includes a plurality of electrode assemblies arranged in a case, each electrode assembly including a first electrode, a second electrode and a separator between the first electrode and the second electrode, and an interior safety member including an interior plate between the electrode assemblies, the interior safety member being electrically connected to at least one of the plurality of electrode assemblies.

A battery includes an electrode assembly, the electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode, a current collector, the current collector being electrically and mechanically coupled to one of the electrodes, a case, the electrode assembly and the current collector being disposed within the case, a cap plate, the cap plate having a terminal protruding therefrom, the terminal being electrically coupled to the current collector, and a separating member, the separating member having a protrusion portion and a body portion, the protrusion portion being fixed to the cap plate, and the body portion extending along a length of the current collector and being interposed between the current collector and an inner wall of the case.

Rechargeable battery with separating member between current collector and battery case

A rechargeable battery includes an electrode assembly including first electrodes and second electrodes, a casing including a space in which the electrode assembly is embedded, a cap plate combined with the casing, and a first thin film insulating member fused with the casing and surrounding the casing.

A rechargeable battery includes an electrode assembly including a negative electrode, a positive electrode, and a separator therebetween, a case housing the electrode assembly, a cap plate sealing the case and electrically connected to the positive electrode, a negative terminal and a positive terminal penetrating the cap plate and respectively electrically connected to the negative electrode and the positive electrode, and a safety member located between the electrode assembly and the case, electrically connected to the negative electrode, and including an end portion coupled to the negative electrode, a plate portion at a side of the electrode assembly, and a resistance controller coupling the end portion and the plate portion, and having a higher electrical resistance than the plate portion.

A rechargeable battery including an electrode assembly; a case containing the electrode assembly; a cap plate covering an opening of the case; and an external insulating member on an outer surface of the case, the external insulating member including an insulating cover on the cap plate, and an insulating tape coupled to the insulating cover on the case.

A rechargeable battery includes an electrode assembly that performs charging and discharging, a case in which the electrode assembly is installed a cap plate coupled to the case, a lead tab connected to an electrode of the electrode assembly, and an electrode terminal in the cap plate and connected to the lead tab. The electrode terminal includes a column portion inserted into a terminal hole of the cap plate and a flange portion at one end of the column portion, the flange portion being wider than a cross-section of the column portion, and the flange portion being at an inner side of the cap plate. The lead tab includes an insertion portion into which the column portion is inserted, the lead tab being welded in a surface contact manner to the flange portion along an inner surface of an external circumference of the insertion portion.

A rechargeable battery including: an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case receiving the electrode assembly; a cap plate coupled to the case; an electrode terminal connecting the electrode assembly to an outside of the cap plate; and a lead tab electrically connecting the electrode assembly and the electrode terminal, and the electrode assembly includes a coated region of the first electrode, and an uncoated region of the first electrode adjacent an end portion of the coated region, the uncoated region having a through hole formed therein and connecting an inner portion of the electrode assembly to an outside of the electrode assembly.

A rechargeable battery includes an electrode assembly that performs charging and discharging, a case in which the electrode assembly is located, a cap plate coupled to an opening of the case, and electrode terminals located in the cap plate and insulated from the cap plate by insulation members located at terminal holes of the cap plate, the electrode terminals being connected to electrodes of the electrode assembly and extending outside the cap plate and the electrode terminals including a fastening portion that receives at least a part of a bus bar to be welded.

Rechargeable battery and module of the same

A battery includes a plurality of electrode assemblies, each having an electrode and an electrode uncoated region, such that the plurality of electrode assemblies together present a plurality of electrodes and electrode uncoated regions, an electrode terminal, and a current collecting member electrically connecting the electrode terminal and the plurality of electrodes of the electrode assemblies, the current collecting member including a terminal connection portion, and side plates, extending from lateral sides of the terminal connection portion, a plurality of current collecting plates, each current collecting plate contacting the electrode uncoated region of a respective one of the plurality of electrode assemblies, a plurality of supporting portions, each supporting portion connecting certain adjacent ones of the current collecting plates together, each of the side plates being coupled with at least one of the current collecting plates.

A rechargeable battery including an electrode assembly; a case accommodating the electrode assembly; and an elastic member between the case and an outer surface of the electrode assembly, wherein the elastic member includes a tapering wall defining a central open area having an axis, the tapering wall having an inclined disposition relative to the axis of the central open area.

Rechargeable battery including elastic member comprising tapering wall

A rechargeable battery including an electrode assembly including a negative electrode and a positive electrode; a case housing the electrode assembly; a cap plate coupled to an opening of the case; a negative terminal and a positive terminal penetrating the cap plate and connected to the negative electrode and the positive electrode, respectively; an external short-circuit unit separately provided between the negative terminal and the cap plate and configured to short-circuit the negative terminal on the cap plate; and a thermistor for connecting the positive terminal and the cap plate, wherein the thermistor is configured to have reduced resistance when its temperature is increased.

Provided is a lithium secondary battery including a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a polymer electrolyte composition having a polymer electrolyte, a non-aqueous organic solvent, and a lithium salt. The content of the polymer electrolyte is 9 to 20 wt %, based on the total weight of the polymer electrolyte composition.

Growing community of inventors

Yongin-si, South Korea

Joong-Heon Kim