Samsung Sdi Co., Inc.

ILseok Kim

Dohyung Park

Jinkyu Kim

Dongjin Kim

Minhan Kim

Sangil Han

Byeonggyu Cho

Jeonghye Lee

KyoungHyun Kim

Sanghoon Kim

Sol Choi

Kwanghwan Cho

Young Jin Park

Daehoe Lee

Junseok Park

Gyuran Jeon

Jeonjin Choi

Eunsung Lee

YoungJin Park

Okgyu Lim

The present invention provides a negative electrode for a lithium metal battery and a lithium metal battery comprising the same, the negative electrode comprising: a first negative electrode including a lithium metal negative electrode; and a second negative electrode which is disposed on the first negative electrode and includes a coating layer including a carbon-based material. By using the negative electrode for a lithium metal battery, a lithium metal battery can have an improved charge and discharge efficiency and life time.

Negative electrode for lithium metal battery and lithium metal battery comprising same

A composite positive active material includes a lithium nickel cobalt aluminum composite oxide. A full width at half maximum (FWHM) of a peak of a (104) plane of the lithium nickel cobalt aluminum composite oxide is 0.15 or less and an FWHM of a peak of a (108) plane of the lithium nickel cobalt aluminum composite oxide is 0.15 or less, the peaks being obtained by X-ray diffraction analysis using a CuK&#x3b1; X-ray. A method of preparing the composite positive active material, and a lithium secondary battery including a positive electrode including the composite positive active material are disclosed.

Composite positive active material, method of preparing the same, and lithium secondary battery including positive electrode including the same

The present disclosure relates to a cathode active material for a lithium secondary battery, a method for preparing same, and a lithium secondary battery comprising same, the cathode active material comprising a lithium-nickel compound oxide, wherein a c-axis lattice parameter of a unit lattice of the lithium-nickel compound oxide satisfies Formula 1:14.1720 &#x212b;A&#x2264;c&#x2264;14.1750 &#x212b;A&#x2003;&#x2003;[Formula 1]

Cathode active material for lithium secondary battery, method for producing same, and lithium secondary battery comprising same

A positive active material including a core including a compound capable of reversibly intercalating and deintercalating lithium and LiNaSOthat is coated on at least a part of a surface of the core or that blends with the core.

Method of manufacturing positive material

A positive active material for a rechargeable lithium battery includes a lithium nickel-based metal oxide represented by LiNiMOand a lithium-containing oxide on a surface of the lithium nickel-based metal oxide. In the formula LiNiMO, M is one or more of Co, Mn, Al, Mg, Ti, Zr, or a combination thereof, 0&#x3c;x&#x3c;1.1, and 0&#x2264;y&#x3c;0.5.

Positive active material including lithium nickel-based metal oxide, method of preparing the same, and rechargeable lithium battery including the same

Growing community of inventors

Yongin-si, South Korea

ILseok Kim