Patent application number | Description | Published |
20080248392 | Non-Aqueous Electrolyte Secondary Battery - A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and an electrolyte, wherein the positive electrode comprises a positive electrode active material comprising a particle of a composite oxide represented by a general formula: Li | 10-09-2008 |
20100207583 | CHARGING METHOD AND CHARGING/DISCHARGING METHOD OF LITHIUM ION SECONDARY BATTERY - The present invention relates to a charging method of a lithium ion secondary battery including, as a positive electrode active material, a lithium-containing composite oxide containing nickel and cobalt and having a layered crystal structure. The charging method includes a first step of charging the battery at a first current of 0.5 to 0.7 It until the charge voltage of the battery reaches a first upper limit voltage of 3.8 to 4.0 V; a second step of charging the battery, upon completion of the first step, at a second current smaller than the first current until the charge voltage of the battery reaches a second upper limit voltage greater than the first upper limit voltage; and a third step of charging the battery, upon completion of the second step, at the second upper limit voltage. This provides a charging method of a lithium ion secondary battery, the method capable of achieving both a shortened charging time and an improvement in charge/discharge cycle life characteristics. | 08-19-2010 |
20100233524 | CYLINDRICAL NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A cylindrical non-aqueous electrolyte secondary battery of the invention includes: an approximately columnar electrode group having a strip-shaped positive electrode including a positive electrode material mixture layer formed on a positive electrode current collector and a strip-shaped negative electrode including a negative electrode material mixture layer formed on a negative electrode current collector that are spirally wound with a strip-shaped separator interposed therebetween; a non-aqueous electrolyte; a bottomed cylindrical battery case housing the electrode group and the non-aqueous electrolyte; and a negative electrode lead electrically connecting the negative electrode and the battery case. The negative electrode includes a double-coated portion having a negative electrode material mixture layer formed on both surfaces of the negative electrode current collector, a single-coated portion having a negative electrode material mixture layer formed on one surface of the negative electrode current collector, and an uncoated portion where both surfaces of the negative electrode current collector are exposed. The single-coated and uncoated portions are disposed at an outermost layer of the electrode group. The negative electrode current collector exposed portions of the single-coated and uncoated portions are in direct contact with an inner surface of the battery case. | 09-16-2010 |
20110129736 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A nonaqueous electrolyte secondary battery includes: a positive electrode | 06-02-2011 |
20110177366 | BATTERY PACK - A battery pack of the present invention includes: a battery assembly including a plurality of batteries having a sealed portion, the plurality of batteries being connected to each other; a terminal portion electrically connected to the battery assembly and outputting electric power; and a composite layer structure including a heat-absorbing layer and a heat-conductive layer layered on the heat-absorbing layer, the composite layer structure being arranged at least at a part of a periphery of the battery assembly. The heat-absorbing layer has a specific heat of 1,000 J/kg·° C. or more. The heat-conductive layer has a heat conductivity of 10 W/m·K or more. This configuration allows for a small, light, and highly safe battery pack that is free from battery pack damage even when a battery in the battery pack has trouble and emits a high-temperature inflammable gas to expose the inside of the battery pack to a high-temperature environment. | 07-21-2011 |
20110316487 | LITHIUM ION SECONDARY BATTERY CHARGING METHOD AND BATTERY PACK - A lithium ion secondary battery which includes: a power generation element including a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte; a case accommodating the power generation element and having an opening; and a sealing plate sealing the opening of the case is charged. The sealing plate has an external terminal of the positive or negative electrode, and an internal terminal electrically connected to the positive or negative electrode. The external and internal terminals are connected to each other and have an electrical resistance therebetween of 0.1 to 2 mΩ. Two or more constant-current charging steps in each of which the secondary battery is charged at a constant charge current until a charge voltage reaches an end-of-charge voltage are performed. In the two or more constant-current charging steps, the secondary battery is subjected to constant-current charging at a current Ic( | 12-29-2011 |
20120133338 | METHOD OF CHARGING NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND BATTERY PACK - In the present method, a non-aqueous electrolyte secondary battery is charged by repeating n+1 times a constant current charge and a subsequent constant voltage charge, where n is an integer of 1 or more. (1) An n | 05-31-2012 |
20120225337 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF PRODUCING THE SAME - A non-aqueous electrolyte secondary battery comprising: an electrode group in which a long first electrode, a long second electrode, and a long separator disposed therebetween are wound spirally; and a non-aqueous electrolyte, is provided. The first electrode includes a sheet-like first current collector and a first active material layer disposed on a surface of the first current collector. The second electrode includes a sheet-like second current collector and a second active material layer disposed on a surface of the second current collector. An end portion of the first electrode on a winding-end side of the electrode group has a non-linear form and faces the second electrode placed on an outer circumferential side with the separator therebetween. The non-linear form is preferably a periodically continuous form, for example a waveform. | 09-06-2012 |
20130157096 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - Disclosed is a non-aqueous electrolyte secondary battery including: a spirally-wound electrode group including a continuous first electrode, a continuous second electrode, and a continuous separator interposed between the first electrode and the second electrode; and a non-aqueous electrolyte. The first electrode includes a sheet-like first current collector, and a first active material layer formed on a surface of the first current collector; and the second electrode includes a sheet-like second current collector, and a second active material layer formed on a surface of the second current collector. In the electrode group, the winding terminal end of the first electrode faces the second electrode on the further outer peripheral side, with the separator interposed therebetween. The facing site of the second electrode where the second electrode faces the winding terminal end of the first electrode is reinforced with a reinforcing component for supplementing the thickness of the second electrode. | 06-20-2013 |
20130335034 | CHARGING METHOD FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND BATTERY PACK - Disclosed is a charging method for one or more non-aqueous electrolyte secondary batteries by n steps of constant-current charging processes, where n is an integer equal to or greater than 2. The n steps include: (1) charging the secondary batteries at a current Ic(k) until a charge voltage per one battery reaches a voltage Ec(k), where k is an integer equal to or greater than 1 and equal to or smaller than n−1; and (2) when the charge voltage per one battery reaches the voltage Ec(k), charging the secondary batteries at a current Ic(k+1) smaller than the current Ic(k) until the charge voltage per one battery reaches a voltage Ec(k+1) higher than the voltage Ec(k), in which (3) the currents Ic(k) and Ic(k+1) are set according to frequency of use or number of charge and discharge cycles of the secondary batteries. | 12-19-2013 |
20140020242 | METHOD FOR FABRICATING A NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes: a positive electrode | 01-23-2014 |
Patent application number | Description | Published |
20090026948 | Plasma Display Device and Method of Manufacturing Green Phosphor Material for Plasma Display Device - A plasma display device having a panel main body in which a pair of transparent substrates is arranged in opposition so as to form a discharge space between the substrates on at least a front side, barrier ribs are arranged on at least one of the substrates to divide the discharge space into a plurality of spaces, a group of electrodes is arranged on the substrates so as to generate discharge in the discharge space divided with the barrier ribs, and phosphor layers that emit by discharge are provided, in which the phosphor layers are equipped with a green phosphor layer including at least Zn | 01-29-2009 |
20090026949 | Plasma Display Device and Method of Manufacturing Green Phosphor Material for Plasma Display Device - A plasma display device having a panel main body in which a pair of transparent substrates is arranged in opposition so as to form a discharge space between the substrates on at least a front side, barrier ribs are arranged on at least one of the substrates to divide the discharge space into a plurality of spaces, a group of electrodes is arranged on the substrates so as to generate discharge in the discharge space divided with the barrier ribs, and phosphor layers that emit by discharge are provided, in which the phosphor layers are equipped with a green phosphor layer including at least Zn | 01-29-2009 |
20090058253 | PLASMA DISPLAY DEVICE - A plasma display device having a panel main body in which a pair of transparent substrates is arranged in opposition so as to form a discharge space between the substrates on at least a front side, barrier ribs are arranged on at least one of the substrates to divide the discharge space into a plurality of spaces, a group of electrodes is arranged on the substrates so as to generate discharge in the discharge space divided with the barrier ribs, and phosphor layers that emit by discharge are provided, in which the phosphor layers are equipped with a green phosphor layer including at least a mixture of Zn | 03-05-2009 |
20090121630 | Plasma Display Device and Method of Manufacturing Green Phosphor Material for Plasma Display Device - A plasma display device having a panel main body in which a pair of transparent substrates is arranged in opposition so as to form a discharge space between the substrates on at least a front side, barrier ribs are arranged on at least one of the substrates to divide the discharge space into a plurality of spaces, a group of electrodes is arranged on the substrates so as to generate discharge in the discharge space divided with the barrier ribs, and phosphor layers that emit by discharge are provided, in which the phosphor layers are equipped with a green phosphor layer including at least a mixture of Zn | 05-14-2009 |
20110241534 | PLASMA DISPLAY DEVICE - The present invention provides a plasma display device that has light emission properties with short persistence where green light has a persistence time of 3.5 msec or less, that is excellent in luminance, luminance degradation resistance, and color tone, and that is suitable for, for example, a stereoscopic image display device. The present invention provides a plasma display device including a plasma display panel in which a pair of substrates at least whose front side is transparent are disposed to oppose each other so as to form a discharge space between the substrates, barrier ribs for dividing the discharge space into a plurality of discharge spaces are disposed on at least one substrate, electrode groups are disposed on the substrates so as to produce discharge in the discharge spaces divided with the barrier ribs, and a green phosphor layer that emits light by the discharge is provided, wherein the green phosphor layer includes a mixed phosphor containing a short persistence Mn | 10-06-2011 |
20120038829 | DISPLAY APPARATUS - A display apparatus includes: input port for receiving input of video signal representing display color in red, green, and blue hues; display portion including pixel with red, green, blue and yellow sub-pixels for performing plasma emission in red, green, blue and yellow hues, respectively; and converter for converting video signal and outputting conversion signal for causing sub-pixels to emit light, respectively, such that display color corresponding to display color represented by video signal is displayed on display portion, wherein conversion signal output by converter includes red and green conversion signals for causing red and green sub-pixels to perform plasma emission at lower luminosity value than luminosity value used in the video signal, respectively, and yellow conversion signal for causing yellow sub-pixel to perform plasma emission, and yellow sub-pixel performs plasma emission with shorter afterglow time than red and green sub-pixels. | 02-16-2012 |
20120104931 | PLASMA DISPLAY PANEL - A protective layer of a plasma display panel includes a base layer formed on a dielectric layer, and a plurality of aggregated particles dispersed on an entire surface of the base layer. Phosphor layers include a green phosphor layer containing an Mn | 05-03-2012 |
20120181918 | PLASMA DISPLAY PANEL - A plasma display panel includes a front plate, a rear plate facing the front plate, and a phosphor layer formed on the rear plate. The phosphor layer includes a green phosphor layer containing Zn | 07-19-2012 |
20120206034 | RED PHOSPHOR MATERIAL AND PLASMA DISPLAY PANEL - The instant application describes a red phosphor material including Y(P | 08-16-2012 |
20130069520 | PLASMA-DISPLAY PANEL - A phosphor layer of a plasma display panel has a green phosphor layer containing Zn | 03-21-2013 |
20130069521 | PLASMA-DISPLAY PANEL - A phosphor layer of a plasma display panel has a green phosphor layer containing Zn | 03-21-2013 |
20140285997 | PHOSPHOR, LIGHT-EMITTING DEVICE, IMAGE PICKUP DEVICE, LIQUID CRYSTAL DISPLAY DEVICE, LIGHTING DEVICE, AND VEHICLE - The present disclosure provides a (Ba | 09-25-2014 |
20150055358 | YELLOW FLUORESCENT SUBSTANCE, LIGHT-EMITTING DEVICE, ILLUMINATION DEVICE, AND VEHICLE - The present invention provides an oxynitride silicate fluorescent substance capable of output a light having a high luminance even when irradiated by an exciting light having a high energy density. The present invention is a yellow fluorescent substance represented by a chemical formula (Ba | 02-26-2015 |
20150060916 | LIGHT SOURCE DEVICE, ILLUMINATING DEVICE COMPRISING THE SAME, AND VEHICLE - A light source device is provided. The light source device comprises a semiconductor light-emitting element; and a wavelength conversion member for converting a wavelength of a light emitted from the semiconductor light-emitting element. The semiconductor light-emitting element has a light-emitting peak wavelength of not less than 380 nanometers and not more than 420 nanometers. The light emitted from the semiconductor light-emitting element has a light energy density of not less than 0.2 kW/cm | 03-05-2015 |