Samsung Sdi Co., Inc.

3m Innovative Properties Company

3m Innovation Properties Company

Ulsan National Institute of Science and Technology

Nam-Soon Choi

Sung-soo Kim

Sae-Weon Roh

Sung-Soo Kim

Kyoung-Han Yew

Man-Seok Han

Su-Yeong Park

Yong-Mook Kang

Jin-Kyu Hong

Sang-min Lee

Tae-Keun Kim

Doo-Kyoung Lee

Yong-Chul Park

Jun-Sik Kim

Wan-Uk Choi

Goo-Jin Jeong

So-Hyun Hur

Leif Christensen

Chong-Hoon Lee

Kyoung-Han Ryu

Irina Profatilova

Sang-Min Lee

Eui-Hwan Song

Jong-Man Kim

Harim Lee

Jea-Woan Lee

Jake Kim

Yunhee Kim

Arum Yu

Min-Seok Sung

Young-Mi Park

Jeong-Soon Shin

Kyeong-Beom Cheong

Tae Hyon Bae

Tae-keun Kim

Sanghyung Kim

Seunghyeon Son

Saehun Kim

Jeong-A Lee

Jeong Soon Shin

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 negative active material for rechargeable lithium batteries and a method of manufacturing the negative active material are provided. The negative active material for rechargeable lithium batteries includes at least one generally spherical assembly having flake-shaped materials that are capable of doping and dedoping lithium, and are arranged in a generally spherical shape defining a central pore. The negative active material imparts improved cycle-life characteristics.

Negative active material, method of preparing the same, and rechargeable lithium battery including the same

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

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

Flame retardant electrolyte solutions for rechargeable lithium batteries and lithium batteries including the electrolyte solutions are provided. The flame retardant electrolyte solution includes a lithium salt, a linear carbonate-based solvent, at least one ammonium cation, a phosphoric acid-based solvent, and an additive including oxalatoborate.

Flame retardant electrolyte for rechargeable lithium battery and rechargeable lithium battery including the same

An electrode for a rechargeable lithium battery and method of manufacturing a rechargeable lithium battery including the electrode is disclosed. In one embodiment, the electrode includes i) a current collector, ii) a first electrode composition layer provided on a surface of the current collector and iii) a second electrode composition layer farther than the first electrode composition layer from the current collector. Further, each of the first and second electrode composition layers comprises an active material and a conductive material, and wherein the amount of the conductive material of the first electrode composition layer is different from that of the conductive material of the second electrode composition layer. The electrode further includes an additional first electrode composition layer farther than the second electrode composition layer from the current collector and an additional second electrode composition layer farther than the additional first electrode composition layer from the current collector.

Electrode with plural active material layers with different amounts of conductive material for rechargeable lithium battery and method for manufacturing the same and rechargeable lithium battery including the electrode

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 positive electrode and a rechargeable lithium battery including the same, the positive electrode including a current collector and a positive active material layer disposed on the current collector. The positive active material layer includes a positive active material and a binder including an ion conductive polymer including a carboxylate group.

Positive electrode including a binder for rechargeable lithium battery and rechargeable lithium battery including the same

An electrode assembly comprises a first electrode including a first electrode current collector and a first electrode active material layer, a second electrode including a second electrode current collector and a second electrode active material layer, a separator disposed between the first electrode and the second electrode, and an electrode absorbing member in contact with the first electrode.

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

The present invention relates to negative active materials for rechargeable lithium batteries, manufacturing methods thereof, and rechargeable lithium batteries including the negative active materials. A negative active material for a rechargeable lithium battery includes a core including a material capable of carrying out reversible oxidation and reduction reactions and a coating layer formed on the core. The coating layer has a reticular structure.

Negative active material for rechargeable lithium battery, method of preparing same and rechargeable lithium battery including same

An embodiment of the present invention provides an electrode for a rechargeable lithium battery, including: a current collector; and an active material layer on the current collector, wherein the active material layer includes an active material adapted to reversibly intercalate and deintercalate lithium ions, a binder, and a pore-forming polymer.

Electrode for a rechargeable lithium battery, and a rechargeable lithium battery fabricated therefrom

Disclosed are a flame retardant electrolyte solution for a rechargeable lithium battery including a lithium salt, a linear carbonate-based solvent, an ionic liquid including ammonium cations, and a phosphoric acid-based solvent, and a rechargeable lithium battery including the same.

Flame retardant electrolyte solution for rechargeable lithium battery and rechargeable lithium battery including the same

A negative active material for a rechargeable lithium battery includes a core including an active material being capable of performing reversible electrochemical oxidation and reduction, and a coating layer on the surface of the core. The coating layer includes a reticular structure including &#x2014;O-M-O&#x2014; wherein M is selected Si, Ti, Zr, Al, or combinations thereof and an organic functional group linked to the M as a side chain. The organic functional group is selected from the group consisting of an alkyl group, a haloalkyl group, a substituted or unsubstituted aryl group, and combinations thereof. The negative active material for a rechargeable lithium battery according to the present invention can be applied along with an aqueous binder, and improve high capacity, good cycle-life, and particularly high capacity during charge and discharge at a high rate.

Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same

A positive electrode for a rechargeable lithium battery including a net-type current collector and a positive active material layer formed on both sides of the current collector and also including a positive active material and a binder and having a thickness of about 150 &#x3bc;m or more, a method of manufacturing the same, and a rechargeable lithium battery including the same.

Growing community of inventors

Yongin-si, South Korea

Nam-Soon Choi