Patent application number | Description | Published |
20110052997 | NEGATIVE ELECTRODE FOR LITHIUM BATTERY AND LITHIUM BATTERY INCLUDING THE SAME - A negative electrode for a lithium battery includes an active material layer and a current collector. The active material layer has a plurality of crystal grains and the plurality of crystal grains include a plurality of pores. A first pore of the plurality of pores has a first length and a second length, the first length being the maximum length orthogonal to the current collector and the second length being the maximum length orthogonal to the first length, and the first length is greater than the second length. | 03-03-2011 |
20110085965 | LITHIUM TITANIUM OXIDE FOR ANODE ACTIVE MATERIAL FOR LITHIUM RECHARGEABLE BATTERY, METHOD OF PREPARING LITHIUM TITANIUM OXIDE, AND LITHIUM RECHARGEABLE BATTERY INCLUDING LITHIUM TITANIUM OXIDE - A lithium titanium oxide for an anode active material of a lithium rechargeable battery, wherein a X-ray diffraction (XRD) spectrum has a first peak of Li | 04-14-2011 |
20110086275 | LITHIUM TITANIUM OXIDE, METHOD OF PREPARING LITHIUM TITANIUM OXIDE, AND LITHIUM RECHARGEABLE BATTERY INCLUDING LITHIUM TITANIUM OXIDE - A spherical primary particle of a lithium titanium oxide of which average diameter is in the range of about 1 to about 20 μm, a method of preparing the spherical primary particle of the lithium titanium oxide, and a lithium rechargeable battery including the spherical primary particle of the lithium titanium oxide. | 04-14-2011 |
20110129733 | NEGATIVE ELECTRODE FOR LITHIUM BATTERY AND LITHIUM BATTERY INCLUDING NEGATIVE ELECTRODE - A negative electrode for a lithium battery and a lithium battery including the negative electrode, the negative electrode including: a matrix of a Sn grain and a metal M grain; and a carbon-based material grown on the matrix. | 06-02-2011 |
20110151322 | Negative electrode for lithium ion secondary battery and lithium ion secondary battery including the same - A negative electrode for a lithium ion secondary battery and a lithium ion secondary battery, the negative electrode including a multilayer film, the multilayer film having three or more layers on a metal base, wherein the multilayer film includes one or more porous layers. | 06-23-2011 |
20110183202 | Negative Electrode Active Material Containing Nanometal Particles and Super-Conductive Nanoparticles and Lithium Battery Comprising the Negative Electrode Active Material - A negative electrode active material including nanometal particles and super-conductive nanoparticles and a lithium battery including the same. | 07-28-2011 |
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 |
20110305952 | NEGATIVE ACTIVE MATERIAL, ELECTRODE INCLUDING THE SAME, AND LITHIUM BATTERY INCLUDING ELECTRODE - A negative active material, an electrode including the same, and a lithium battery including the electrode. The negative active material has no volumetric expansion and has high solubility with respect to lithium. In addition, the negative active material is in the form of spherical particles, and thus does not require a separate granulating process. Moreover, the negative active material may enhance the capacity of a lithium battery. | 12-15-2011 |
20110305956 | ELECTRODE CONDUCTIVE MATERIAL, ELECTRODE MATERIAL INCLUDING THE CONDUCTIVE MATERIAL, AND ELECTRODE AND LITHIUM BATTERY EACH INCLUDING THE ELECTRODE MATERIAL - An electrode conductive material, an electrode material including the electrode conductive material, an electrode including the electrode material, and a lithium battery including the electrode material. When the electrode conductive material is used, the amount of a conductive material required is decreased, capacity of the lithium battery is improved, and a charge and discharge rate is increased. | 12-15-2011 |
20120270108 | ANODE ACTIVE MATERIAL, ANODE AND LITHIUM BATTERY INCLUDING THE MATERIAL, AND METHOD OF PREPARING THE MATERIAL - In one aspect, an anode active material is provided. The anode active material may include a crystalline carbon-based material that includes a core having a lattice spacing d | 10-25-2012 |
20120288766 | NEGATIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE SAME - Provided are a negative active material, a method of preparing the same, and a lithium battery including the negative active material. The negative active material includes a carbonaceous core that has a sulfur content of about 10 ppm to 900 ppm; and an amorphous carbon layer continuously formed on a surface of the carbonaceous core, wherein the carbonaceous core has a crystalloid plate structure, and a crystallite size measured from a full width at half maximum of the peak with respect to the surface (002) of about 10 nm to about 45 nm in an X-ray diffraction spectrum of the carbonaceous core. The lithium battery including a negative electrode including the negative active material has improved capacity characteristics and ring lifetime characteristics. | 11-15-2012 |
20120288768 | NEGATIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE SAME - Provided are a negative active material, a method of preparing the same, and a lithium battery including the negative active material, wherein the negative active material includes a carbonaceous material that has a peak with respect to a surface (002) at a Bragg angle 2θ of 26.4°±0.1° in an X-ray diffraction spectrum, has a full width at half maximum of the peak with respect to the surface (002) of about 0.2° to about 0.6°, has an interlayer spacing (d | 11-15-2012 |
20130004846 | NEGATIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHUM BATTERY INCLUDING NEGATIVE ACTIVE MATERIAL - A negative active material, a method of preparing the same, and a lithium battery including the negative active material are disclosed. The negative active material includes a silicon-based nanocore and a first amorphous carbonaceous coating layer that is formed of carbonized organic material and that is uniformly and continuously formed on a surface of the silicon-based nanocore, whereby irreversible capacity losses due to volumetric expansion/contraction caused when a lithium battery is charged and discharged are compensated and cycle lifetime characteristics are enhanced. | 01-03-2013 |
20130209881 | NEGATIVE ACTIVE MATERIAL AND LITHIUM BATTERY INCLUDING NEGATIVE ACTIVE MATERIAL - A negative active material and a lithium battery including the negative active material. The negative active material includes a non-carbonaceous nanoparticle capable of doping or undoping lithium; and a crystalline carbonaceous nano-sheet, wherein at least one of the non-carbonaceous nanoparticle and the crystalline carbonaceous nano-sheet includes a first amorphous carbonaceous coating layer on its surface, and thus an electrical conductivity thereof is improved. In addition, a lithium battery including the negative active material has an improved efficiency and lifetime. | 08-15-2013 |
20140349180 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, NEGATIVE ELECTRODE INCLUDING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING NEGATIVE ELECTRODE - Disclosed are a negative active material for a rechargeable lithium battery including a silicon-based material and graphite, wherein an average particle diameter (D50) of the graphite may range from about 5 μm to about 15 μm, and a Raman peak intensity ratio (I | 11-27-2014 |