Samsung Sdi Co., Inc.

Man-Seok Han

Hyun Joon Kim

Ju-Yong Kim

Jin-Goo Ahn

Yong-Kul Lee

Chan-Ho Lee

Sung-Chul Lee

Sae-Weon Roh

Jun-Sik Kim

Sung-soo Kim

Tae-Keun Kim

Jin-Kyu Hong

Nam-Soon Choi

Leonid Gorobinskiy

Jin-Kwang Kim

Dong-Myung Suh

Sung-Soo Kim

Dong-Uk Lee

Chong-Hoon Lee

Hyun Sook Kim

Eui-Hwan Song

Jong-Ki Lee

Kyeu-Yoon Sheem

Ha-Na Yoo

Seung-wan Kim

Jung-Yeon Won

Myung-Hoon Kim

Dong-Hyun Kim

Jun-Won Suh

Yong-Chul Park

Seong-Jin An

So-Ra Lee

In-Hyuk Son

Alexey Alexandrovichserov

Sumihito Ishida

Ming-Zi Hong

Jin-Hong An

Ho-Seok Yang

So-Hyun Hur

Jin-Hyunk Lim

Jin-Hyon Lee

Mi-Hyeun Oh

Tae-Sik Kim

Woong-Ho Cho

Seong-Gi Choo

Bo-Hyun Kim

Min-Jung Oh

Yu-Jin Han

Ria Ju

Chang-Bong Lee

Kie Hyun Nam

Dai-In Park

Mee-Young Lee

Yasuki Yoshida

Dong-Hyun Shin

Satoshi Narukawa

Kie-Hyun Nam

Noboru Sato

Jun-sic Kim

Tae-keun Kim

Noboru Sata

Provided are a composition for a negative electrode, and a negative electrode and lithium battery including the composition. The composition includes a negative active material that contains one or more of a metal or a metalloid, an acrylate-based binder, and a guanidine carbonate.

Negative electrode composition, and negative electrode and lithium battery containing the same

An electrode assemblage includes a first electrode assembly with first electrodes. Each first electrode has a porous first electrode current collector with a plurality of pores, and first electrode active material layers attached to the porous first electrode current collector. The electrode assemblage further includes a second electrode having a second electrode current collector and second electrode active material layers attached to the second electrode current collector, and also includes a separator disposed between the first electrode assembly and the second electrode.

Electrode assemblage and rechargeable battery using the same

A rechargeable battery including an electrode assembly that is chargeable and dischargeable, the electrode assembly including a first assembly portion and a second assembly portion; a case accommodating the electrode assembly therein; a cap plate coupled to the case; and an electrode terminal group connected to the electrode assembly through a lead tab, the electrode terminal group being in a terminal hole of the cap plate, wherein the electrode terminal group includes three electrode terminals that are selectively connected to first electrodes and second electrodes of the first assembly portion and the second assembly portion.

Rechargeable battery

An electrode having a three-dimensional pore network structure including a fibrous pore channel is disclosed. A lithium battery including the electrode and a method of manufacturing the electrode are also disclosed. The three-dimensional pore network structure formed in the electrode allows for improved mobility of lithium ions in the electrode. Therefore, a lithium battery including the electrode may have improved output characteristics.

Electrode having 3-dimensional pore network structure, lithium battery including electrode, and method of manufacturing electrode

An electrode assembly and a rechargeable battery using the same include a positive electrode including a positive current collector and a positive active material on the positive current collector; a negative electrode including a negative current collector and a negative active material on the negative current collector; an outer electrode including an outer current collector and an outer active material on the outer current collector, wherein the outer current collector includes an outer surface facing away from an outer separator and an inner surface facing toward the outer separator, and the outer active material is on both the outer surface and the inner surface, and wherein a thickness of the outer active material is less than at least one of a thickness of the positive active material or a thickness of the negative active material.

Electrode assembly and rechargeable battery using the same

An electrolyte for a lithium ion battery includes a non-aqueous organic solvent and a lithium salt. The non-aqueous organic solvent includes a flame-retardant solvent and a carbonate-based solvent. The flame-retardant solvent includes an ionic liquid including a fluorinated cation and a phosphorus-based solvent.

Electrolyte for lithium ion battery, and lithium ion battery including same

Disclosed is a secondary battery which includes an electrode assembly comprising inner stacked electrodes and at least one outermost electrode positioned on at least one end of the inner stacked electrodes; and a case configured to house the electrode assembly. Herein, the at least one outermost electrode comprise an inactive material.

Secondary battery and method of fabricating of the secondary battery

A rechargeable battery improving safety by discharging a gas when swelling occurs. The rechargeable battery includes an electrode assembly having a first electrode plate and a second electrode plate arranged at opposite sides of a separator, a pouch to accommodate the electrode assembly, the pouch having a plurality of inner sides, a first tab connected to the first electrode plate and a second tab connected to the second electrode plate, the first tab and the second tab extending to an outside of the pouch and a safety device arranged within the pouch and including a bonding member bonded to one of the inner sides of the pouch, a fin member including a tip facing and being spaced-apart from one of the inner sides of the pouch, and a linking member connecting the fin member to the bonding member.

Rechargeable battery having safety device within

A rechargeable lithium battery includes a positive electrode including a current collector, a positive active material layer on the current collector and including a lithium manganese-based positive active material, and a protective layer on the positive active material layer and including a phosphite-based compound; a negative electrode; and an electrolyte coupled with the positive electrode and the negative electrode and including a lithium salt, a non-aqueous solvent, and an additive.

Rechargeable lithium battery

A lithium battery including: a positive electrode including an overlithiated lithium transition metal oxide having a layered structure; a negative electrode including a silicon-based negative active material; and an electrolyte between the positive electrode and the negative electrode, the electrolyte including an electrolytic solution including a fluorinated ether solvent in an amount of 3 vol % or more based on the total volume of the electrolytic solution.

Lithium battery

In one aspect, a rechargeable lithium battery including a positive electrode having a positive active material, a negative electrode having a negative active material, and an electrolyte is provided. The positive active material can include manganese-based oxide, and the electrolyte can include fluoroethylene carbonate, lithium bis(oxalato)borate, and tris(trialkylsilyl)borate.

A rechargeable lithium battery includes a binder for a rechargeable lithium battery, and a positive active material composition. The binder for the rechargeable lithium battery includes a nitrile-based polymer nanoparticle and a fluorine-containing polymer nanoparticle.

Binder and positive active material composition for rechargeable lithium battery, and rechargeable lithium battery including same

An electrode assembly, a rechargeable battery including the same, and a method of manufacturing an electrode thereof, the electrode assembly including a first electrode, the first electrode including a mesh-type first electrode current collector having a plurality of pores, and a first electrode active material layer adhered to the first electrode current collector, wherein an edge active material layer protrudes from a side of the first current collector; a second electrode including a second electrode current collector, and a second electrode active material layer adhered to the second electrode current collector; and a separator interposed between the first and second electrodes.

Electrode assembly, rechargeable battery including the same, and method of manufacturing an electrode thereof

An electrode assembly and a rechargeable battery having an electrode assembly. An electrode assembly for a rechargeable battery includes a first electrode; a second electrode; a first separator between the first electrode and the second electrode, the first separator having a plurality of first pores, each of the first pores elongated in a first direction; and a second separator on an opposite side of the first electrode from the first separator, the second separator having a plurality of second pores, each of the second pores elongated in a second direction crossing the first direction.

Electrode assembly including separators having crossing pores and rechargeable battery

A fuel cell system and a control method thereof are capable of preventing anode flooding due to a temperature difference between a stack and reformate upon starting a fuel cell system. The method of controlling a fuel cell system including steps of detecting a temperature of a fuel cell stack, detecting a temperature of reformate that is generated in a fuel reformer and then is supplied to the fuel cell stack through a heat exchanger, and setting the temperature of the reformate to be lower than the temperature of the fuel cell stack during a starting time of the fuel cell system.

Fuel cell system and method of controlling the same

Growing community of inventors

Yongin-si, South Korea

Man-Seok Han