Abstract: The present application relates to a modified graphene oxide or modified carbon nanotube and an antistatic composition including the same. The antistatic composition of the present application has advantages of an excellent adhesive property, improved surface roughness, mechanical strength, and improved electrical proper.

Abstract: The present application relates to an antistatic composition, which includes a conductive structure formed by connecting a modified graphene oxide or a modified carbon nanotube with a conductive polymer; silver nanoparticles; and a solvent, and a corrosion inhibition film including the same. The corrosion inhibition film of the present application has excellent antibacterial activity and excellent corrosion inhibiting ability.

Abstract: The present application relates to a conductive structure formed by connecting a modified graphene oxide or modified carbon nanotube with a conductive polymer, and an antistatic composition including the same. The antistatic composition of the present application has advantages of an excellent adhesive property, improved surface roughness, mechanical strength, and improved electrical properties.

Abstract: A lithium secondary battery includes an electrode assembly including a cathode and an anode facing the cathode, a case accommodating the electrode assembly, an electrolyte accommodated in the case together with the electrode assembly, and an electrolyte storage unit inserted into the case to supply a supplementary replenishment. The electrolyte storage unit includes a first unit including a first body having a tubular structure and first holes formed through the first body, and a sub-unit including a tubular body and sub-holes formed through the tubular body. The sub-unit is inserted into the first unit so that the sub-holes are offset from the first holes.

Abstract: An electrode structure for a secondary battery includes a current collector, a first active material layer formed on at least one surface of the current collector, a second active material layer on the first active material layer, and a conductive intermediate layer interposed between the first active material layer and the second active material layer. The conductive intermediate layer has a resistance lower than each resistance of the first active material layer and the second active material layer. A lithium secondary battery including the electrode structure is provided.

Abstract: A fuel cell system includes: a fuel cell stack; a sensor configured to sense a current and a voltage of the fuel cell stack; and a controller configured to acquire weight information based on a relationship between a usage time of a fuel cell and the current or voltage of the fuel cell stack and to determine a humidity state of the fuel cell stack based on the weight information, the current of the fuel cell stack and the voltage of the fuel cell stack.

Abstract: A power generation system and a power generation method for a fuel cell vehicle, the power generation system comprising a main line that sequentially and electrically connects a fuel cell, a high voltage DC-DC converter, and a high voltage battery; an external power consumption device connecting unit; and a controller that controls the fuel cell or the high voltage DC-DC converter by selecting a mode for supplying power to an external power consumption device by using only power generated by the fuel cell, a mode for supplying power to the external power consumption device by using only the high voltage battery, or a mode for operating the fuel cell or the high voltage DC-DC converter in a high efficiency output interval, according to power consumption of the external power consumption device.

Abstract: A method for controlling a motor torque in an electric vehicle, includes the steps of: (a) determining a driving condition of the vehicle; (b) determining whether or not a predetermined limiting condition for a creep torque increase rate is satisfied when it is determined that the vehicle is decelerating in step (a); and (c) limiting the creep torque increase rate when the limiting condition for a creep torque increase rate is satisfied, and applying a creep torque of which the increase rate has been limited.

Abstract: A method and a system for diagnosing a failure of a temperature sensor for a fuel cell are provided. The method includes calculating a heating value that is generated at a fuel cell stack during a predetermined diagnosis time and then calculating a temperature variation of the fuel cell stack from the calculated heating value. A failure of a temperature sensor configured to measure a temperature of the fuel cell stack is then detected based on the calculated temperature variation of the fuel cell stack.

Abstract: A shut down system of a fuel cell vehicle includes: a fuel cell configured to output a high voltage; a rechargeable high voltage battery; a bidirectional converter arranged between an output terminal of the fuel cell and the high voltage battery; a first relay arranged between the fuel cell and the bidirectional converter; and a controller configured to control a voltage of the bidirectional converter when the fuel cell vehicle stalls to reduce a voltage of the output terminal of the fuel cell and turn off the first relay when a voltage value of the output terminal of the fuel cell is below a preset voltage reference value.

Abstract: A power generation system and a power generation method for a fuel cell vehicle, the power generation system comprising a main line that sequentially and electrically connects a fuel cell, a high voltage DC-DC converter, and a high voltage battery; an external power consumption device connecting unit; and a controller that controls the fuel cell or the high voltage DC-DC converter by selecting a mode for supplying power to an external power consumption device by using only power generated by the fuel cell, a mode for supplying power to the external power consumption device by using only the high voltage battery, or a mode for operating the fuel cell or the high voltage DC-DC converter in a high efficiency output interval, according to power consumption of the external power consumption device.

Abstract: A fuel cell system includes: a fuel cell stack; a sensor configured to sense a current and a voltage of the fuel cell stack; and a controller configured to acquire weight information based on a relationship between a usage time of a fuel cell and the current or voltage of the fuel cell stack and to determine a humidity state of the fuel cell stack based on the weight information, the current of the fuel cell stack and the voltage of the fuel cell stack.

Abstract: A method for controlling a motor torque in an electric vehicle, includes the steps of: (a) determining a driving condition of the vehicle; (b) determining whether or not a predetermined limiting condition for a creep torque increase rate is satisfied when it is determined that the vehicle is decelerating in step (a); and (c) limiting the creep torque increase rate when the limiting condition for a creep torque increase rate is satisfied, and applying a creep torque of which the increase rate has been limited.

Abstract: A shut down system of a fuel cell vehicle includes: a fuel cell configured to output a high voltage; a rechargeable high voltage battery; a bidirectional converter arranged between an output terminal of the fuel cell and the high voltage battery; a first relay arranged between the fuel cell and the bidirectional converter; and a controller configured to control a voltage of the bidirectional converter when the fuel cell vehicle stalls to reduce a voltage of the output terminal of the fuel cell and turn off the first relay when a voltage value of the output terminal of the fuel cell is below a preset voltage reference value.

Abstract: Exemplary embodiments may disclose a wide angle lenses including: a first lens which has a negative refractive power; a second lens which has a positive refractive power; a third lens which has the positive refractive power; a fourth lens which has the negative refractive power; and a fifth lens which has the positive refractive power, wherein the first lens, the second lens, the third lens, the fourth lens, and the fifth lens are in an order from an object to an image, wherein the wide angle lenses satisfy a condition of 0.2<f/BFL14<0.25, wherein f denotes an overall effective focal length of the wide angle lenses and BFL14 denotes a combined back focal length of the first lens through the fourth lens.

Abstract: A zoom lens system and a photographing apparatus including the same, wherein the zoom lens system includes a first lens group including one or more lenses, and an optical member for changing a path of light, and having a positive refractive power; a second lens group having a negative refractive power, a third lens group having a positive refractive power, and a fourth lens group having a positive refractive power, wherein zooming is performed by varying air gaps between the first through fourth lens groups.

Abstract: Exemplary embodiments may disclose a wide angle lenses including: a first lens which has a negative refractive power; a second lens which has a positive refractive power; a third lens which has the positive refractive power; a fourth lens which has the negative refractive power; and a fifth lens which has the positive refractive power, wherein the first lens, the second lens, the third lens, the fourth lens, and the fifth lens are in an order from an object to an image, wherein the wide angle lenses satisfy a condition of 0.2<f/BFL14<0.25, wherein f denotes an overall effective focal length of the wide angle lenses and BFL14 denotes a combined back focal length of the first lens through the fourth lens.

Abstract: A zoom lens system and a photographing apparatus including the same, wherein the zoom lens system includes a first lens group including one or more lenses, and an optical member for changing a path of light, and having a positive refractive power; a second lens group having a negative refractive power, a third lens group having a positive refractive power, and a fourth lens group having a positive refractive power, wherein zooming is performed by varying air gaps between the first through fourth lens groups.

Abstract: The invention disclosed relates to novel materials of the general formula (Sr1-1.5xM1x)1-y/2Ti1-yM2yO3??[I] wherein M1 is a first trivalent dopant metal atom replacing some of the strontium atoms on a strontium sub-lattice, x is a mole percent of said dopant atoms M1 on the strontium sublattice and 0<x?0.04, and M2 is a second pentavalent dopant metal atom replacing some titanium atoms on a titanium sublattice, y is a mole percent of said dopant atoms M2 on the titanium sublattice and 0<y?0.2. Also disclosed is a novel reduced form of the compounds of formula I, ie. compounds of formula (Sr1-1.5xM1x)1-y/2Ti1-yM2yO3-? II. The variability in oxygen content between the oxidized and reduced forms of these compounds corresponds to 0<??0.7. These novel compounds maintained a stable single phase at both high and low oxygen partial pressures. Also disclosed is a solid oxide fuel cell including an anode made of the novel compounds of formula I.

Abstract: The invention disclosed relates to novel materials of the general formula