Samsung Electronics Co., Ltd.

Industry-University Cooperation Foundation Hanyang University

Samsung Sdi Co., Inc.

Dongguk University Industry-Academic Cooperation Foundation

Moon-seok Kwon

Jae-man Choi

Han-su Kim

Seung-sik Hwang

Min-sang Song

Jeong-kuk Shon

Un-gyu Paik

Myung-hoon Kim

Young-min Choi

Tae-seob Song

Jae-young Choi

Young-Gyoon Ryu

Seon-mi Yoon

Hoon Young Cho

Ji-man Kim

Dong-Joon Lee

In-yong Song

Sung Heo

Seok-gwang Doo

Won-il Park

Gyeong-su Park

Dong-wook Kwak

Gwi-ok Park

Tae-seup Song

Hyuk Jae Chang

Jin-hwan Park

Hyeon-jin Shin

Gue-sung Kim

Young-sin Park

Ho-bum Park

Ryoung-hee Kim

Jun-hwan Ku

Ka-hee Shin

Ja-man Choi

Jong-hyeok Park

A negative active material, a method of preparing the same, and a lithium secondary battery including the negative electrode. The negative active material includes a plurality of titanium oxide nanotubes, wherein the Raman shift of the negative active material includes a characteristic peak located at a Raman shift between about 680 cmand about 750 cm.

Negative active material, method of preparing the same, negative electrode including the same, and lithium secondary battery including the negative electrode

A negative electrode and a lithium battery including the same, the negative electrode including nanotubes including a Group 14 metal/metalloid, disposed on a conductive substrate.

Negative electrode including group 14 metal/metalloid nanotubes, lithium battery including the negative electrode, and method of manufacturing the negative electrode

A negative electrode includes nanotubes including a metal/metalloid, disposed on a conductive substrate, and having opened ends. A lithium battery includes the negative electrode.

Negative electrode including metal/metalloid nanotubes, lithium battery including the negative electrode, and method of manufacturing the negative electrode

Provided herein is a negative active material including an ordered porous manganese oxide, wherein pores of the ordered porous manganese oxide have a bimodal size distribution. Provided herein is a method of preparing a negative active material that includes the ordered porous manganese oxide. The invention also includes a negative electrode which includes the negative active material and a lithium battery which includes the negative electrode.

Negative active material including manganese oxides, negative electrode including the same, lithium battery including negative electrode and method of preparing negative active material

A gel polymer electrolyte including: an organic solvent; a lithium salt that reacts with residual water contained in the organic solvent to produce at least one material selected from the group consisting of a protonic acid and a Lewis acid; and a polymer that is generated by polymerizing at least one monomer selected from the group consisting of monomers represented by Formulae 1 to 3 below: 

Gel polymer electrolyte, lithium battery including gel polymer electrolyte, and method of preparing gel polymer electrolyte

A lithium titanium oxide spinel having a ratio of FWHM1/FWHM2 at a spinning rate of about 5 kHz to about 50 kHz of about 1.70 or less, wherein FWHM1 is a full width at half maximum of aLi peak present about &#x2212;10 parts per million to about +10 parts per million in a solid state nuclear magnetic resonance spectrum of the lithium titanium oxide, FWHM2 is a full width at half maximum of aLi peak present about &#x2212;10 parts per million to about +10 parts per million in a solid state nuclear magnetic resonance spectrum of a lithium chloride standard reagent, and FWHM1 and FWHM2 are measured at the same spinning rate.

Lithium titanium oxide, method of preparing the same, negative electrode including the same, and lithium battery including the negative electrode

A stack type battery includes a stack including: a plurality of cathode sheets; a plurality of anode sheets, which are alternately disposed with the cathode sheets; and a plurality of separators, where each of the separator is disposed between a corresponding cathode sheet of the cathode sheets and a corresponding anode sheet of the anode sheets, where the stack includes first to third protrusions, the first protrusion includes a portion of the cathode sheets which does not overlap the anode sheets and the separators, and the second protrusion includes a portion of the anode sheets which does not overlap the cathode sheets and the separators.

Stack type battery

An electrode including a current collector, and an active material layer disposed on the current collector. The active material layer includes a structural network and an active material composition. The structural network includes a network of carbon nanotubes and a binder. The active material composition includes an active material and a polar medium.

Electrode, lithium battery, method of manufacturing electrode, and composition for coating electrode

An electrolyte composition and catalyst ink, a solid electrolyte membrane formed by printing the electrolyte composition and catalyst ink, and a secondary battery including the solid electrolyte membrane. An electrolyte composition includes a solvent; a lithium salt dissolved in the solvent; and a cycloolefin-based monomer dissolved or dispersed in the solvent and a catalyst ink includes a catalyst that promotes the ring-opening and polymerization reactions of the cycloolefin monomers of the electrolyte composition.

Electrolyte composition and catalyst ink and solid electrolyte membrane formed by using the same

A negative electrode including: a metal layer including lithium; and a platy carbonaceous material layer including a carbonaceous material having a plate structure and disposed on the metal layer.

Negative electrode for lithium battery, lithium battery including the same, and methods of manufacture thereof

An electrode active material, an electrode including the electrode active material, a lithium battery including the electrode, and a method of preparing the electrode active material. The electrode active material includes a core having at least one of a metal or a metal oxide that enables intercalation and deintercalation of lithium ions and a crystalline carbon thin film that is formed on at least a portion of a surface of the core. The electrode active material has a nano-structure.

Electrode active material, electrode comprising the same, lithium battery comprising the electrode, and method of preparing the electrode active material

A flexible secondary battery includes an electrode stack structure. The electrode stack structure includes a first electrode layer including a first metal current collector, a second electrode layer including a second metal current collector, an isolation layer between the first electrode layer and the second electrode layer, connection tabs respectively extended from an end portion of the first metal current collector at a first end portion of the first electrode layer and an end portion of the second metal current collector at a first end portion of the second electrode layer; and a fixing element which fixes the end portions of the first and second metal current collectors only at a first end portion of the electrode stack structure. Second end portions of the first and second electrode layers opposite to the first end portions thereof are movable.

Flexible secondary battery

A negative electrode including: a current collector; a negative active material layer formed on the current collector; and a polymer coating layer that is formed on the negative active material layer and comprises a fluorinated acrylate type polymer.

Negative electrode with fluorinated acrylate polymer coating layer, and lithium battery

An electrolyte composition including a macro azo initiator containing a polyethylene oxide repeating unit, and a multi-functional urethane acrylate-based monomer, a gel polymer electrolyte including the electrolyte composition, and a lithium battery including the gel polymer electrolyte.

Electrolyte composition, gel polymer electrolyte, and lithium battery including the gel polymer electrolyte

A flexible battery a first electrode layer, a first current collector layer disposed on the first electrode layer, where a plurality of through-holes is defined in the first current collector layer, a separator disposed on the first current collector layer, a second current collector layer disposed on the separator, where a plurality of through-holes is defined in the second current collector layer, and a second electrode layer disposed on the second current collector layer.

Growing community of inventors

Hwaseong-si, South Korea

Moon-seok Kwon