Patent application number | Description | Published |
20110189588 | SOLID OXIDE FUEL CELL AND BRAZING METHOD BETWEEN CELL AND CAP - A solid oxide fuel cell and a brazing method between a cell and a cap of a fuel cell capable of simplifying a brazing process relative to the related art are disclosed. Thus, improved production efficiency and an air seal while saving on the amount of filler metal used is achieved, by improving the structure of the sealing cap combined with the end of the cell. The solid oxide fuel cell includes a hollow tube type cell and a sealing cap combined with the end of the cell, the cap has a structure in which a passage tube which is in contact with a hollow portion of the cell is provided in the center of the cap and a combination tube combined with the cell end is integrally provided on the circumference of the passage tube to form a cell insertion space between the passage tube and the combination tube, and a brazing surface formed on the bottom of the cell insertion space and a filler metal diffusion space formed at the side of the brazing surface. | 08-04-2011 |
20110311902 | SOLID OXIDE FUEL CELL - A solid oxide fuel cell (SOFC) of improved current collecting efficiency including, an anode, a cathode, an electrolytic layer between the anode and the cathode, and a current collector in an interior space defined by the anode and comprising a current collecting wire layer having a multiple-layered structure including a metal wire and a coating layer on an outer circumferential surface of the metal wire and having a higher melting point than that of the metal wire. | 12-22-2011 |
20120015276 | SOLID OXIDE FUEL CELL AND FUEL CELL STACK - A solid oxide fuel cell including a unit cell formed into a structure in which a first electrode, an electrolytic layer and a second electrode are sequentially stacked is disclosed. The unit cell of solid oxide fuel cell may include a plurality of contact grooves formed on an outer circumferential surface of the second electrode and may include current collectors respectively mounted on and in surface contact with the contact grooves of the second electrode. The current collectors may be symmetrically arranged with respect to the center axis of the unit cell. Current collection efficiency may thus be enhanced. Further, current collectors may be shared by adjacent unit cells, so that it is possible to manufacture a stack with excellent economical efficiency. | 01-19-2012 |
20130288107 | LITHIUM RECHARGEABLE BATTERY MODULE - A rechargeable lithium battery module includes a first rechargeable lithium battery cell combined with a second rechargeable lithium battery cell, the first rechargeable lithium battery cell being the same or different than the second rechargeable lithium battery cell, and the rechargeable lithium battery module has an output voltage of about 13.6 V to about 15.6 V. | 10-31-2013 |
20130288118 | NEGATIVE ELECTRODE COMPOSTION FOR RECHARGEABLE LITHIUM BATTERY, NEGATIVE ELECTRODE COMPRISING SAME AND RECHARGEABLE LITHIUM BATTERY COMPRISING SAME - A negative electrode composition for a rechargeable lithium battery. The negative electrode includes a negative active material and crystalline carbon conductive material, wherein the negative active material includes soft carbon, and the crystalline carbon conductive material includes graphite having an average particle diameter (D90) of about 1 micrometer to about 20 micrometers. | 10-31-2013 |
20130288139 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - An electrolyte for rechargeable lithium battery includes a lithium salt, a non-aqueous organic solvent, a first additive represented by the following Chemical Formula 1, and a second additive represented by the following Chemical Formula 2. | 10-31-2013 |
20140127564 | NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A negative electrode for a rechargeable lithium battery includes a current collector and a negative active material layer including a negative active material on the current collector. A rechargeable lithium battery includes the negative electrode. The negative active material includes amorphous carbon with an average aspect ratio of 1.1 to 6, included in an amount of about 55.5 wt % to about 99.5 wt % based on the total weight of the negative active material layer. | 05-08-2014 |
20140178764 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, NEGATIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - In an aspect, a negative active material for a rechargeable lithium battery that includes amorphous carbon, wherein the amorphous carbon may generally have a relatively larger average lattice distance (d | 06-26-2014 |
20140199587 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - In an aspect, a positive electrode for a lithium rechargeable battery including a current collector; a positive active material layer disposed on the current collector, wherein the positive active material layer includes a positive active material, active carbon, and an additive. | 07-17-2014 |
20140342243 | ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - An electrolyte for a rechargeable lithium battery, the electrolyte including a lithium salt, a non-aqueous organic solvent, a first additive represented by Chemical Formula 1, and a second additive represented by Chemical Formula 2 is disclosed. A rechargeable lithium battery including the electrolyte is also disclosed. The structures and definitions of the Chemical Formulae 1 and 2 are the same as described in the detailed description. | 11-20-2014 |
20150024275 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, AND POSITIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A positive active material for a rechargeable lithium battery includes a porous material including primary particles, and secondary particles including aggregates of a plurality of the primary particles. The porous material has a tap density of 0.3 to less than 1.0 g/cc. A positive electrode includes the positive active material. A rechargeable lithium battery includes the positive electrode including the positive active material. | 01-22-2015 |