Patent application number | Description | Published |
20100102276 | PHOSPHOR FOR ULTRAVIOLET EXCITED LIGHT-EMITTING DEVICE, PHOSPHOR PASTE, AND ULTRAVIOLET EXCITED LIGHT-EMITTING DEVICE - The present invention provides a phosphor for an ultraviolet excited light-emitting device, a phosphor paste and an ultraviolet excited light-emitting device. A phosphor for an ultraviolet excited light-emitting device, the phosphor comprising an oxide containing M | 04-29-2010 |
20100248001 | MIXED METAL OXIDE AND SODIUM SECONDARY BATTERY - Disclosed is a mixed metal oxide which is extremely useful as a positive electrode active material for secondary batteries, while being reduced in the amount of a scarce metal used therein. Also disclosed are a positive electrode for sodium secondary batteries, and a sodium secondary battery. Specifically disclosed is a mixed metal oxide having an α-NaFeO | 09-30-2010 |
20100266900 | SODIUM-MANGANESE MIXED METAL OXIDE, PRODUCTION METHOD THEREOF AND SODIUM SECONDARY BATTERY - Disclosed is a mixed metal oxide which is reduced in the amount of scarce metal used therein, while having excellent performance as a positive electrode active material for secondary batteries. Also disclosed are a positive electrode for sodium secondary batteries having excellent performance, and a sodium secondary battery. Specifically disclosed is a method for producing a sodium-manganese complex metal oxide which is characterized by comprising a step for calcining a material, which contains sodium carbonate (Na | 10-21-2010 |
20100323231 | POSITIVE ELECTRODE ACTIVE MATERIAL, SODIUM SECONDARY BATTERY, AND PRODUCTION METHOD OF OLIVINE-TYPE PHOSPHATE - Disclosed are a positive electrode active material and a method for producing an olivine-type phosphate. The positive electrode active material comprises an olivine-type phosphate represented by the following formula (I), wherein the maximum peak in an X-ray diffraction pattern obtained using a CuKα ray is the peak of the (031) plane of the olivine-type phosphate and the half-value width of the peak is 1.5° or less: A | 12-23-2010 |
20110003191 | SODIUM SECONDARY BATTERY - The present invention provides a sodium secondary battery having a superior cycling performance as compared with conventional techniques. A sodium secondary battery of the present invention comprises a positive electrode comprising a mixed metal oxide which comprises Na and M | 01-06-2011 |
20110003192 | MIXED METAL OXIDE AND SODIUM SECONDARY BATTERY - The present invention provides a sodium secondary battery capable of reducing the amount used of a scarce metal element such as lithium and cobalt and moreover, ensuring a larger discharge capacity after repeating charge/discharge as compared with conventional techniques, and a mixed metal oxide usable as the positive electrode active material therefor. The mixed metal oxide of the present invention comprises Na, Mn and M | 01-06-2011 |
20110159345 | ELECTRODE ACTIVE MATERIAL AND METHOD FOR PRODUCING SAME - Disclosed are an electrode active material and a method for producing an electrode active material. The method for producing an electrode active material comprises the following steps (i), (ii) and (iii). (i) An aqueous solution containing M is brought into contact with a precipitant, thereby obtaining a precipitate, wherein M represents at least two elements selected from the group consisting of metal elements other than alkali metal elements. (ii) The precipitate is mixed with a sodium compound, thereby obtaining a mixture. (iii) The mixture is calcined. | 06-30-2011 |
20140065492 | SODIUM SECONDARY BATTERY ELECTRODE AND SODIUM SECONDARY BATTERY - The present invention provides an electrode that can be used for a sodium secondary battery having a larger discharge capacity when charging and discharging are performed repeatedly than that of the prior art. This sodium secondary battery electrode contains tin (Sn) powder as an electrode active material. The electrode, particularly, further contains one or more electrode-forming agents selected from the group consisting of poly(vinylidene fluoride) (PVDF), poly(acrylic acid) (PAA), poly(sodium acrylate) (PAANa), and carboxymethylcellulose (CMC), thereby making it possible to provide a sodium secondary battery having even greater electrode performance. | 03-06-2014 |
Patent application number | Description | Published |
20090230839 | PHOSPHOR - Disclosed is a phosphor having enhanced luminance. Specifically disclosed is a phosphor characterized by being substantially composed of an oxide containing Sr, Ca, Eu, Mg, Si and a halogen element(s) at a molar ratio of a:b:c:d:e:f (wherein a is not less than 0.5 but less than l, b is not less than 0 but less than 0.5, c is more than 0 but less than 0.3, d is not less than 0.8 but not more than 1.2, e is not less than 1.9 but not more than 2.1 and f is not less than 0.0008 but not more than 0.3), which oxide further contains oxygen. | 09-17-2009 |
20100224828 | PHOSPHOR, PHOSPHOR PASTE CONTAINING THE SAME, AND LIGHT-EMITTING DEVICE - Disclosed is a phosphor having high luminance. This phosphor includes an oxide containing M | 09-09-2010 |
20100237287 | PHOSPHOR, PHOSPHOR PASTE CONTAINING THE SAME, AND LIGHT-EMITTING DEVICE - Disclosed are a phosphor having high luminance, a phosphor paste containing the phosphor and a light-emitting device. The phosphor includes an oxide containing M | 09-23-2010 |
20100323232 | MIXED METAL OXIDE AND SODIUM SECONDARY BATTERY - The present invention provides a sodium secondary battery capable of reducing the amount of lithium used, and ensuring a larger discharge capacity maintenance rate when having repeated a charge and discharge, as compared with conventional techniques; and a mixed metal oxide usable as the positive electrode active material therefor. A mixed metal oxide of the present invention comprises Na and M | 12-23-2010 |
Patent application number | Description | Published |
20090142598 | PHOSPHOR AND ULTRAVIOLET EXCITED LIGHT-EMITTING DEVICE - The present invention provides a phosphor and an ultraviolet excited light-emitting device. The phosphor comprises a compound represented by the formula (I): Ca | 06-04-2009 |
20090315448 | PHOSPHOR, PHOSPHOR PASTE AND LIGHT EMITTING DEVICE - The present invention provides a phosphor, a phosphor paste and a light emitting device. The phosphor comprises a compound represented by the formula (1): M | 12-24-2009 |
20100127612 | PHOSPHOR AND ELECTRON BEAM EXCITED LIGHT-EMITTING DEVICE - The present invention provides a phosphor and an electron beam excited light-emitting device. The phosphor comprises a compound represented by the formula (I) ; and at least one selected from the group consisting of Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Mn as an activator, | 05-27-2010 |
20100140549 | METAL MIXED OXIDE, PHOSPHOR, PHOSPHOR PASTE AND LIGHT-EMITTING DEVICE - Disclosed is a metal mixed oxide which enables to obtain a phosphor exhibiting higher emission luminance. Also disclosed are a phosphor containing such a metal mixed oxide, a phosphor paste and a light-emitting device. The metal mixed oxide contains the following (1), (2) and (3) as metal elements: (1) (an) alkaline earth metal element(s) selected from Ba, C and Mg; (2) aluminum (Al); and (3) at least one element (M) selected from rare earth elements and manganese. In this connection, when the molar ratio of Ba:Ca:Mg:Al:M is expressed as a:b:c:d:e, the following relations are satisfied: 0.3≦a≦8, 0≦b<12.5, 0≦c<12.5, 11≦a+b+c≦13, 13≦d≦15, 0.0001≦e≦1.0. | 06-10-2010 |
20110171513 | SODIUM SECONDARY BATTERY - The present invention provides a sodium secondary battery. The sodium secondary battery includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a nonaqueous electrolytic solution, the separator is composed of a porous laminate film in which a heat resistant porous layer and a porous film are stacked each other, and the heat resistant porous layer is disposed on the negative electrode side. | 07-14-2011 |
20110189529 | SODIUM SECONDARY BATTERY - The present invention provides a sodium secondary battery. The sodium secondary battery includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a nonaqueous electrolytic solution, the separator is composed of a porous laminate film in which a heat resistant porous layer and a porous film are stacked each other, and the heat resistant porous layer is disposed on the positive electrode side. | 08-04-2011 |
20120015230 | MIXED METAL OXIDE, ELECTRODE, AND SODIUM SECONDARY BATTERY - Disclosed is a mixed metal oxide comprising Na, M | 01-19-2012 |