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| 20090162751 | LITHIUM ION SECONDARY BATTERY - A lithium secondary battery having high power characteristics and excellent life characteristics in which the anode comprises at least carbon as an anode active material, and an SBR latex and a cellulosic viscosity improver as a binder material, the carbon material has an inter layer distance (d | 06-25-2009 |
| 20090214951 | LITHIUM SECONDARY BATTERY - To provide a lithium secondary battery having an excellent input and output balance, a high capacity, and a long life. A lithium secondary battery comprising: a positive electrode containing a positive electrode active material which is applied to both sides of a positive electrode collector foil and contains a lithium transition metal complex oxide; a negative electrode containing a negative electrode active material which is applied to both sides of a negative electrode collector foil and occludes and releases lithium; and a nonaqueous electrolytic solution containing a lithium salt, wherein there is an SOC region where a specific input power is almost equal to a specific output power in a range of 20 to 40% of state of charge (SOC) of the lithium secondary battery. | 08-27-2009 |
| 20110189550 | OVERCHARGE INHIBITOR, AND NONAQUEOUS ELECTROLYTE SOLUTION AND SECONDARY BATTERY USING THE SAME - An overcharge inhibitor is provided which increases an internal resistance of a battery, being electropolymerized by reaction with a positive electrode at a high potential in overcharging. | 08-04-2011 |
| 20110269026 | NONAQUEOUS ELECTROLYTIC SOLUTION AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME - A nonaqueous electrolytic solution which may suppress the overcharge of a battery and a nonaqueous electrolyte secondary battery using the solution are provided. The overcharge of the battery is suppressed by undergoing the electrolytic polymerization in the solution when the battery is overcharged, and simultaneously more effectively suppressed by increasing the internal resistance of the battery. The nonaqueous electrolytic solution comprises a polymer which undergoes the electrolytic polymerization in the range of 4.3V or more to 5.5V or less at the lithium metal standard voltage, having a repeating unit represented by the formula (1), an electrolytic salt and a nonaqueous solvent. | 11-03-2011 |
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| 20080206638 | ENERGY CONVERSION DEVICE - A secondary battery comprises a single-plate lead acid battery (Va), a positive electrode capacitor layer and a negative electrode capacitor layer, which are formed on the respective surfaces of a positive electrode plate, and a negative electrode plate. Each of the positive electrode plate and negative electrode plate contains an active material, to have a configuration in which activated carbon has a concentration gradient. The electronic resistance between a collector terminal and the center of a portion where activated carbon is present at a high concentration is lower than the electronic resistance between the collector terminal and the center of a portion where activated carbon is present at a low concentration. In the single-plate lead acid battery, charges are accumulated in the positive electrode capacitor layer and in the negative electrode capacitor layer. | 08-28-2008 |
| 20090081540 | CURRENT COLLECTOR OF LEAD-ACID STORAGE BATTERY, AND LEAD-ACID STORAGE BATTERY - An object of the present invention is to take fundamental measures against the phenomenon that the positive current collector of a lead-acid battery elongates due to corrosion, in consideration of a mechanism, and to inhibit corrosion elongation. A current collector is prepared by the steps of: mixing a lead oxide of pinning compounds for inhibiting recrystallization with the atomized powder of lead or a lead alloy; and then powder-rolling the mixture. A lead-acid battery is composed with the use of the current collector. | 03-26-2009 |
| 20100232054 | MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE - An object of the invention is to provide a magnetic recording medium which exhibits an excellent corrosion resistance. To this end, proposed is a magnetic recording medium including a magnetic recording layer in which: a magnetic body and a filling body alternately appear along a recording surface; and a layer made of a passivated metal or an alloy containing at least one passivated metal is formed in an interface portion between an area of the magnetic body and an area of the filling body. | 09-16-2010 |
| 20100306886 | Probe Microscope - An object of the present invention is to provide a probe microscope that permits qualitative and quantitative evaluation on ions existing near the surface of a sample and permits to detect further simply and easily such as impurities, flaws and corrosion origins existing on the sample in high sensitivity. A probe microscope according to the present invention is provided with a test cell that holds a sample and permits to receive liquid, a probe, a counter electrode, a reference electrode, a drive mechanism that causes the probe to follow the surface of the sample as well as to scan the same, a potential control portion that controls a potential between the probe and the reference electrode and a current measuring portion that measures a current flowing between the probe and the counter electrode, and is characterized in that the material of the probe is constituted by a conductive body containing any of gold or gold alloy, carbon or carbon compound, boron, zinc, lead, tin and mercury. | 12-02-2010 |
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| 20080198181 | VIDEO DISPLAY METHOD AND APPARATUS - A video display method can lower visibility of flicker in video display and maintain constant display luminance, wherein a display period and a non-display period for a video signal being displayed are provided in one frame period. The method includes frame period controlling by varying the frame period in terms of a single frame or multiple frames as a unit, and display period controlling by varying only the display period or both the display period and the non-display period in the above one frame period depending on variations in the frame period (FIG. | 08-21-2008 |
| 20090015759 | LIGHT EMISSION CONTROL CIRCUIT, LIGHT EMISSION CONTROL METHOD, FLAT ILLUMINATING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME DEVICE - There is provided a light emission control circuit being capable of simplifying a power source circuit reducing costs and power consumption. A constant current circuit is serially connected to a specified light emitting device group out of a plurality of light emitting device groups and a power source circuit supplies power to each light emitting device group and a current detecting unit detects a current flowing through a specified light emitting device group and a power control unit controls a power source circuit based on a pre-set current value and on a detected value. | 01-15-2009 |
| 20110267333 | ACTIVE-MATRIX BISTABLE DISPLAY DEVICE - An active-matrix bistable display panel is provided in which a pixel electrode is formed at each intersection of each of a plurality of scanning lines in a row direction and each of a plurality of signal lines in a column direction and a display state is made to occur depending on a voltage of each of the pixel electrodes, a signal-line driving unit is provided in which the plurality of signal lines is connected to a plurality of terminals and image inputs are sequentially divided into a plurality of image inputs and a plurality of image signals are supplied sequentially to the plurality of terminals in a time-division manner, and a scanning-line driving unit is provided in which each scanning line making up the plurality of groups is sequentially driven for each of the groups, wherein each of TFTs (Thin Film Transistors) is made active so as to supply an image voltage to each of pixel electrodes. | 11-03-2011 |
