Samsung Sdi Co., Inc.

Kyeu-Yoon Sheem

Bok-Hyun Ka

Sang-min Lee

Sung-Soo Kim

Da-Woon Han

Jung-Woo An

Sung-soo Kim

Jae-Myung Kim

Yong-Chul Park

Sang-Min Lee

Eui-Hwan Song

Jong-Ki Lee

Sumihito Ishida

Man-Seok Han

So-Ra Lee

Jeong-Doo Yi

Jun-Sik Kim

Tae-Keun Kim

Da-Un Han

Jin-Kyu Hong

Wan-Uk Choi

Jan-Dee Kim

Young-Hee Lee

Goo-Jin Jeong

Jake Kim

Yong-Mook Kang

Sung-Hwa Eo

Hyun-Uk Jo

Mee-Young Lee

Jeong-Soon Shin

Min-Seok Sung

Jin-Man Jeoung

Jung-Yeon Won

Dae-Seop Lim

Young-Seak Lee

Satoshi Narukawa

Jung-Wook Cha

Ishida Sumihito

A negative active material for a rechargeable lithium battery includes a composite carbon particle including a core particle including crystalline-based carbon and a coating layer positioned on the surface of the core particle and including amorphous carbon. A peak intensity (I) at 1620 cmranges from about 0.01 to about 0.1, a peak intensity (I) at 1360 cmranges from about 0.05 to about 0.5, and a peak intensity (Iat 1580 cmranges from about 0.1 to about 0.8 in a Raman spectrum of the composite carbon particle.

Negative active material for rechargeable lithium battery, and rechargeable lithium battery including same

A negative active material for a rechargeable lithium battery includes a carbon component having a ratio (I/I) of peak intensity (I) at 1360 cmrelative to peak intensity (I) at 1620 cmranging from about 1 to about 4.5 measured by Raman spectroscopy.

Negative active material for rechargeable lithium battery, and rechargeable lithium battery including the same

A positive electrode for a rechargeable lithium battery includes a positive active material and activated carbon, wherein an average particle diameter of the activated carbon is about 100% to about 160% relative to 100% of an average particle diameter of the positive active material.

Positive active material for rechargeable lithium battery and rechargeable lithium battery

An electrolyte for a lithium battery for solid state drive backup power and a lithium battery for solid state drive backup power including the same, the electrolyte including a non-aqueous organic solvent; and a lithium salt, wherein the lithium salt includes LiBFand the electrolyte has a molar concentration of the LiBFof about 0.8 M to about 1.2 M.

Electrolyte for lithium battery for solid state drive backup power and lithium battery for solid state drive backup power including the same

The positive active material for a rechargeable lithium battery includes a composite material of a microporous carbon-based material and a lithium composite compound and a carbon layer on the surface of the composite material.

Positive active material for rechargeable lithium battery and rechargeable lithium battery including same

A crystalline carbonaceous material with a controlled interlayer spacing and a method of manufacturing the same. In one embodiment, a crystalline carbonaceous material has a layered structure including a plurality of layers and where a filler is present between the layers. The layers with the filler have an interlayer spacing d002 at a (002) plane, and the interlayer spacing d002 is at or between 0.335 nm and 1 nm when its X-ray diffraction is measured using a CuK&#x3b1; ray.

Crystalline carbonaceous material with controlled interlayer spacing and method of preparing same

A negative electrode for a rechargeable lithium battery that includes a negative active material layer including a carbon-based material having a peak of about 20 degrees to 30 degrees at a (002) plane in an X-ray diffraction pattern using a CuK&#x3b1; ray, and an SEI (solid electrolyte interface) passivation film including at least one material selected from an organic material and an inorganic material and having an average thickness of about 10 nm to about 50 nm on the surface of the active material layer of the electrode.

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

Disclosed is a negative electrode for a secondary lithium battery and a secondary lithium battery including the same, wherein the negative electrode includes a current collector and a negative active material layer formed on the current collector, and the negative active material layer includes an additive including a core including a metal oxide and a metal coating layer formed on the core, and a negative active material.

Negative electrode for secondary lithium battery, and secondary lithium battery

An active material for a rechargeable lithium battery is provided with a non-carbon-based material on which nanofiber-shaped carbon having an oxygen-included functional group is grown. The negative active material for a rechargeable lithium battery has good conductivity and cycle life characteristics.

Active material for rechargeable lithium battery and rechargeable lithium battery including the same

Disclosed is a positive electrode according to one embodiment of the present invention that includes a current collector and a positive active material layer on the current collector, wherein the positive active material layer includes a positive active material and activated carbon coated with a fibrous carbon material.

Positive electrode for rechargeable lithium battery and rechargeable lithium battery

A rechargeable lithium battery includes a positive electrode including a positive active material and an activated carbon, a negative electrode including a negative active material, and a lithium salt and a non-aqueous organic solvent, wherein the non-aqueous organic solvent includes about 30 volume % to about 90 volume % of propylene carbonate.

Rechargeable lithium battery including positive electrode including activated carbon and electrolyte containing propylene carbonate

An active material for a rechargeable lithium battery and a rechargeable battery, the active material including an active material core; and a thin film graphite layer on the core.

Active material including a thin film graphite layer and rechargeable lithium battery

Disclosed is a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode includes a current collector; and a positive active material layer disposed on the current collector and including a lithium vanadium oxide-based positive active material represented by the following Chemical Formula 1.LiVMO&#x2003;&#x2003;[Chemical Formula 1] In Chemical Formula 1,

Positive electrode for rechargeable lithium battery and rechargeable lithium battery including same

A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The active material includes a silicon-containing compound represented by the following Chemical Formula 1 where Si exists with a concentration gradient from the surface to the center of the negative active material:SiC&#x2003;&#x2003;[Chemical Formula 1]

Negative active material for rechargeable lithium battery and rechargeable lithium battery

A negative active material for a rechargeable lithium battery, a method of manufacturing the same, and a rechargeable lithium battery including the negative active material. The negative active material includes carbon particles having interplanar spacing (d002) ranging from about 0.34 nm to about 0.50 nm at a 002 plane, measured by X-ray diffraction using CuK&#x3b1;, and nitrogen on the surface of the carbon particles.

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Yongin-si, South Korea

Kyeu-Yoon Sheem