Samsung Sdi Co., Inc.

Samsung Display Devices Co., Ltd.

Samsung Corning Co., Ltd.

Kwi-Seok Choi

Bum-Jin Chang

Ki-Jun Kim

Chae-Woong Cho

Sam-Jin Park

Jung-Ock Yeou

Woon-Suk Jang

Beom-Wook Lee

Ihn Kim

Jae-Myung Kim

Jong-Seo Choi

Seung-Hun Han

Hye-Sun Jeong

Jun-Kyu Cha

Sang-Jin Lee

Chang-Wook Kim

Dong-Hyun Kang

Hoon-Bae Lee

Kyu-Nam Joo

Sang-jin Lee

Young-Su Kim

Seung-Min Ryu

Min-Jae Lee

Myung-Duk Lim

Joong-Woo Nam

Hyun-Ki Park

Seung-Han Lee

Ki-jun Kim

Maeng-Eun Lee

Myoung-Sun Kim

Dong-Yol Yang

Joong-woo Nam

Na-Ri Seo

Myung-Seop Kim

Jong-Hee Hwang

Myung-Dok Lim

Suk-Hee Park

A positive electrode for a lithium secondary battery is described which includes a lithium transition metal complex oxide including a lithium nickel based complex oxide and/or a lithium cobalt based complex oxide, active carbon having a specific surface area of from about 900 m/g to about 1600 m/g, and a water-based binder.

Positive electrode for lithium secondary battery and lithium secondary battery comprising the same

A separator for a lithium battery includes a porous substrate and a coating layer on at least one side of the porous substrate, the coating layer having a first side adjacent to the porous substrate, and a second side opposite the first side. The coating layer may include an inorganic compound and a polymer binder, and an amount of the polymer binder at the second side is greater than an amount of the polymer binder at the first side. A rechargeable lithium battery includes the separator.

Separator and method of manufacturing the same and rechargeable lithium battery including the same

A separator including a porous base material layer and a coating layer disposed on at least one surface of the porous base material layer, wherein the coating layer includes the binder composition, and a binder film comprising the binder composition has an elongation of 10% or less measured after maintaining the binder film under a load of 50 g at 150&#xb0; C. for 10 minutes, and a lithium battery including the same.

Separator and lithium battery including the separator

Disclosed are porous substrate and a coating layer positioned on one side or both sides of the porous substrate, wherein the coating layer includes a filler (A) having an average particle diameter of about 0.3 &#x3bc;m to about 2 &#x3bc;m; and a binder (B) including an organic polymer and an inorganic particle, an organic particle, or a combination thereof, wherein an average particle diameter of each of the inorganic particle and the organic particle is about 5 nm to about 200 nm, and a rechargeable lithium battery including the separator.

Separator and rechargeable lithium battery including the same

An electrode for a lithium secondary battery includes an electrode active material, a conductive agent, and a polyurethane-based compound, and has pores having an average diameter of about 2 to about 20 nm. A lithium secondary battery includes the electrode.

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

An electrode for a lithium secondary battery, the electrode including: an electrode active material; and a composite including a clay and a polymer intercalated between layers of the clay, a method of manufacturing the electrode, and a lithium secondary battery including the electrode.

Electrode for lithium secondary battery, method of manufacturing the same, and lithium secondary battery including the same

In one aspect, a composite binder for a battery, including an inorganic particle; a binder polymer; and an organic-inorganic coupling agent, a negative electrode including the composite binder, and a lithium battery including the negative electrode is provided.

Composite binder for battery, and anode and battery including the composite binder

A separator for a rechargeable lithium battery includes a porous substrate; and a coating layer disposed on one or more sides of the porous substrate, the coating layer including organic particles and a binder polymer, wherein the organic particles include a material different from that of the binder polymer and the binder polymer is included in the coating layer in an amount in a range of 50 to 99 wt % based on the total amount of the coating layer, and a rechargeable lithium battery including the same.

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

In one aspect, a separator that includes a porous substrate; and a coating layer including an inorganic compound-organic/inorganic binder, and a binder polymer, and a rechargeable lithium battery including the separator is provided.

Separator and rechargeable lithium battery

A conductive agent having a nonzero surface charge, a positive electrode slurry composition of a lithium secondary battery, including the conductive agent, and a lithium secondary battery including the conductive agent.

Conductive agent, positive electrode slurry composition for lithium secondary battery including the conductive agent, and lithium secondary battery including the conductive agent

Disclosed is a positive active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, and the positive active material includes a carbon material having a structure with 'n' polycyclic nano sheets, wherein 'n' is an integer of 1 to 30 with hexagonal rings having six carbon atoms condensed and substantially aligned in a plane, the polycyclic nano sheets are laminated in a vertical direction to the plane; and a lithium-containing olivine-based compound attached to the surface of the carbon material is formed with a carbon-coating layer on its surface.

Positive active material for rechargeable lithium battery and rechargeable lithium battery

An electrode composition containing a first conducting agent and a second conducting agent, an electrode for lithium secondary batteries, a method of manufacturing the electrode, and a lithium secondary battery including the electrode. The second conducting agent is an agglomerate formed of a conducting material and a fluorine-based polymer.

Electrode composition, electrode for lithium secondary battery, method of manufacturing the electrode and lithium secondary battery including the electrode

A rechargeable lithium battery includes a positive electrode including a positive active material; a negative electrode including a negative active material; an electrolyte including a lithium salt and a non-aqueous organic solvent; and a separator interposed between the positive and negative electrodes and including a ceramic material having a first metal oxide-containing core and a second metal oxide shell disposed on the surface of the core.

Rechargeable lithium battery

Provided is a material for forming barrier ribs, barrier ribs formed using the material, and a PDP comprising the barrier ribs. The material is photosensitive and made from a glass frit composition which is environmentally friendly (no Pb or Bi) and also prevents light scattering. The primary component of the glass frit is PO. Other components can be included in the barrier rib forming material such as an alkali-based metal oxide, BO, SiO, etc. The barrier rib formed of the glass frit can additionally include a photosensitive organic material which may include a crosslinking agent, a polyfunctional monomer or oligomer, a photo initiator, a binder and an additive. A method of forming the barrier ribs comprising the glass frit composition is also provided as is a PDP including such barrier ribs.

Material for forming barrier ribs, barrier ribs formed using the material and PDP comprising the barrier ribs

Photosensitive paste compositions, barrier ribs of plasma display panels (PDPs) prepared using the same, and PDPs including the barrier ribs are provided. The photosensitive paste composition includes an organic-inorganic complex sol and an inorganic material, wherein the average refractive index (N) of the organic-inorganic complex sol and the average refractive index (N) of the inorganic material satisfy the equation &#x2212;0.2&#x2266;N&#x2212;N&#x2266;0.2. Using the photosensitive paste composition, patterned barrier ribs for PDPs having high resolution and high precision can be made by exposure to light only once. Barrier ribs having higher reflective indices than conventional barrier ribs can also be obtained.

Growing community of inventors

Yongin-si, South Korea

Kwi-Seok Choi