Samsung Sdi Co., Inc.

Chang-Hyuk Kim

Ji-Hyun Kim

Yoon-Chang Kim

Do-Hyung Park

Seon-Young Kwon

Min-Han Kim

Jeong-Seop Lee

Jong-Seo Choi

Jae-Hyuk Kim

Sung-Hwan Moon

Mi-Hyun Lee

Hee-Young Chu

Dong-Hyun Kang

Yury Matulevich

Yuri Matulevich

Ji-hyun Kim

In one aspect, a positive electrode active material is provided, a method of manufacturing the positive electrode active material, and a lithium battery employing the positive electrode active material. The positive electrode active material may have high thermal stability and low capacity deterioration despite repetitive charging and discharging.

Positive electrode active material, method of manufacturing the positive electrode active material, and lithium battery employing the positive electrode active material

A positive active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery including the positive active material. The positive active material includes a core part and a shell part that include a nickel-based composite oxide, and a content of nickel in the core part is larger than that in the shell part.

Positive active material for lithium secondary battery, method of preparing the same, and lithium secondary battery including positive active material

In one aspect, a positive active material is provided that may have increased thermal stability and resistance to capability deterioration due to repeated charging and discharging, a method of manufacturing the same, and a lithium battery that includes the positive active material.

Positive active material including lithium nickel composite oxide core and coating layer containing lithium metal phosphate and metal phosphate, manufacturing method thereof, and electrode and lithium battery containing the same

A positive active material, a method of preparing the same, and a lithium battery including the same.

Positive active material, method of preparing the same, and lithium battery including the positive active material

A nickel (Ni)-based positive electrode active material, a method of preparing the same, and a lithium battery using the Ni-based positive electrode active material.

Nickel-based positive electrode active material, method of preparing the same, and lithium battery using the nickel-based positive electrode active material

A positive active material includes first and second lithium nickel complex oxides. A positive electrode and lithium battery include the positive active material. The positive active material, and the lithium battery including the positive active material have increased filling density, are thermally stable, and have improved capacity.

Positive active material, and positive electrode and lithium battery including positive active material

A positive electrode active material for lithium batteries includes secondary particles having primary particles and an amorphous material. A method of manufacturing the positive electrode active material includes mixing a lithium composite oxide and a lithium salt, and heat treating the mixture. A positive electrode includes the positive electrode active material, and a lithium battery includes the positive electrode.

Positive electrode active material comprising an agglomeration of at least two primary particles for lithium battery and lithium battery using the same

A plasma display panel (PDP) including a protective layer and a material for preparing the protective layer that can be easily fabricated and has little defects, includes a magnesium oxide (MgO) powder including a cathode rays emission spectrum having a first emission peak in a wavelength in the range of 300 to 450 nm, a second emission peak in a wavelength in the range of 650 to 750 nm, and an intensity ratio between 1:0.15 and 0.40 as an intensity ratio of the second emission peak with respect to the first emission peak.

Material for preparing protective layer and plasma display panel comprising the protective layer

Disclosed is a material for forming a protective layer, a protective layer employing the material and a PDP with the protective layer. Unlike conventional protective layers which employ MgO created in conditions of pressurized artificial gas, the instant protective layer uses MgO created by heating Mg and allowing it to oxidize naturally in air. The result is MgO with fewer defects that is more effective as a protective layer in many uses, such as in a PDP. The instant MgO also shows many specific spectral characteristics and contains impurities in amounts of less than about 2 ppm each. Also disclosed is a PDP which takes advantage of the advantages of the inventive protective layer.

Growing community of inventors

Yongin-si, South Korea

Chang-Hyuk Kim