Patent application number | Description | Published |
20110195308 | Secondary particle and lithium battery including secondary particle - A secondary particle and a lithium battery including the same are provided wherein the secondary particle includes a plurality of primary particles and each primary particle contains n polycyclic nano-sheets disposed upon one another. The polycyclic nano-sheets include hexagonal rings of six carbon atoms linked to each other, wherein a first carbon and a second carbon have a distance therebetween of L | 08-11-2011 |
20110195311 | NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, METHOD FOR MANUFACTURING THEREOF, AND RECHARGEABLE LITHIUM BATTERY COMPRISING THE SAME - A negative electrode for a rechargeable lithium battery includes at least one layered unit including a Sn-based metal plating layer and a carbon layer on the metal plating layer. Rechargeable lithium batteries including the negative electrode exhibit improved charge and discharge capacities, and have good capacity retention characteristics even after repeated charge and discharge. | 08-11-2011 |
20110274970 | NEGATIVE ACTIVE MATERIAL AND LITHIUM BATTERY - A negative active material containing super-conductive nanoparticles coated with a high capacity negative material and a lithium battery including the same are provided, wherein the super-conductive nanoparticles have a structure in which polycyclic nano-sheets are stacked upon one another along a direction perpendicular to a first plane. The polycyclic nano-sheets include hexagonal rings of six carbons atoms linked to each other, wherein a first carbon and a second carbon have a distance therebetween of L | 11-10-2011 |
20120141872 | Rechargeable lithium battery including negative active material - A rechargeable lithium battery that includes a negative electrode including a silicon-based negative active material; a positive electrode including a positive active material being capable of intercalating and deintercalating lithium; and a non-aqueous electrolyte, wherein the silicon-based negative active material includes a SiO | 06-07-2012 |
20120258361 | ANODE ACTIVE MATERIAL, ANODE AND LITHIUM BATTERY CONTAINING THE SAME, AND PREPARATION METHOD THEREOF - An anode active material. The anode active material includes a core including SiO | 10-11-2012 |
20130115517 | NEGATIVE ACTIVE MATERIAL, METHOD OF PREPARING THE NEGATIVE ACTIVE MATERIAL, ELECTRODE INCLUDING THE NEGATIVE ACTIVE MATERIAL, AND LITHIUM BATTERY INCLUDING THE ELECTRODE - A negative active material including: a composite including a matrix comprising silicon oxide, silicon carbide, and carbon and silicon particles dispersed in the matrix; and a carbon coating film formed on a surface of the composite, wherein an intensity ratio of a SiC peak to a Si peak in an X-ray diffraction spectrum is 1 or more, a method of preparing the negative active material, a negative electrode including the negative active material, and a lithium battery including the electrode. | 05-09-2013 |
20130177813 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A negative active material for a rechargeable lithium battery includes a SiO | 07-11-2013 |
20140057171 | ANODE AND LITHIUM BATTERY INCLUDING THE SAME - An anode includes a plurality of metal fibers with a three-dimensional (3D) network structure, and a silicon-containing layer having a thickness of about 0.3 μm or less formed on a surface of and inside the 3D network structure of the plurality of metal fibers. | 02-27-2014 |
20140127578 | ACTIVE MATERIAL FOR A SECONDARY BATTERY, SECONDARY BATTERY INCLUDING THE ACTIVE MATERIAL, AND METHOD OF PREPARING AN ACTIVE MATERIAL - An active material for a secondary battery, a secondary battery including the active material, and a method of preparing an active material, the active material including a silicon-based core; and an aluminum-based coating layer on at least a part of the silicon-based core. | 05-08-2014 |
20140352468 | REDUCER OF ELECTRIC POWER STEERING APPARATUS - Discloses is a reducer of an electric power steering apparatus. The reducer of the electric power steering apparatus can reduce the rattling noise caused by an increase of backlash due to friction and abrasion of a worm and a worm wheel or by an impact transferred through a wheel and a steering shaft from the road and allowing a pivotal movement of a worm shaft, while decreasing a rotation resistance and blockage of a worm shaft and a worm shaft bearing to increase steering feel of a driver. | 12-04-2014 |