Samsung Sdi Co., Inc.

Jung-Yeon Won

Seung-wan Kim

Jong-Ki Lee

Man-Seok Han

Ju-Hee Sohn

Eun-Young Goh

Jin-Hyon Lee

Ha-Na Yoo

Myung-Hoon Kim

So-Ra Lee

Kyeu-Yoon Sheem

Sang-In Park

Ju-Hyeong Han

Sung-Hwa Eo

Dae-Seop Lim

Jung-Wook Cha

Eun-Yong Goh

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

An electrode for a rechargeable battery and a rechargeable battery, the electrode including a current collector; an electrode active material layer; and an electrolyte solution impregnation layer, wherein the electrolyte solution impregnation layer includes a metal oxide and a conductive material.

Electrode for rechargeable lithium battery and rechargeable lithium battery including the same

Provided is a positive active material, a positive electrode including the positive active material, a lithium battery, and a manufacturing method of the same. The positive active material includes a core including a lithium nickel composite oxide and a coating layer formed on the core. The coating layer improves structural stability of the positive active material. Accordingly, lifespan properties of a lithium battery including the positive active material may be improved.

Positive active material, positive electrode, lithium battery including the same, and method of manufacturing thereof

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

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

Growing community of inventors

Yongin-si, South Korea

Jung-Yeon Won