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Yuichiro Imanari

Yuichiro Imanari, Tsukuba-Shi JP

Patent application numberDescriptionPublished
20100155753PHOSPHOR, LIGHT EMITTING DEVICE AND WHITE LIGHT EMITTING DIODE - The present invention provides a phosphor, a lighting system and a white light emitting diode. The phosphor comprises a compound represented by the formula (1) and Eu as an activator. aM06-24-2010
20100248032LITHIUM MIXED METAL OXIDE AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A lithium mixed metal oxide comprising Ni, Mn and Fe and having a BET specific surface area of 2 m09-30-2010
20110059363LITHIUM MIXED METAL OXIDE - A lithium mixed metal oxide containing Li, Mn and M (M represents at least one metal element, and is free from Li or Mn), and having a peak around 1.5 Å (peak A), a peak around 2.5 Å (peak B), and the value of I03-10-2011
20110086257METHOD FOR PRODUCING LITHIUM COMPLEX METAL OXIDE - A method for producing a layered lithium mixed metal oxide according to the present invention comprises a step of calcining, in the presence of an inert flux composed of a chloride, a lithium mixed metal oxide raw material containing a transition metal element and a lithium element so that the molar ratio of the lithium element to the transition metal element may fall within a range of 1 or more and 2 or less.04-14-2011
20110117415NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides a nonaqueous electrolyte secondary battery. The nonaqueous electrolyte secondary battery comprises a positive electrode containing a positive electrode active material capable of being doped and dedoped with alkali metal ions and represented by formula A05-19-2011
20110151327ELECTRODE ACTIVE MATERIAL, ELECTRODE, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides an electrode active material, an electrode and a nonaqueous electrolyte secondary battery. The electrode active material comprises a mixture of 10 parts by weight to 900 parts by weight of a first lithium mixed metal oxide and 100 parts by weight of a second lithium mixed metal oxide, wherein06-23-2011

Patent applications by Yuichiro Imanari, Tsukuba-Shi JP

Yuichiro Imanari, Tsukuba JP

Patent application numberDescriptionPublished
20100216024METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL AND POSITIVE ELECTRODE ACTIVE MATERIAL - The object of the present invention is to provide a method for producing simply a positive electrode active material which can further increase charge-discharge capacity of secondary batteries when the positive electrode active material is used for positive electrode of secondary batteries, particularly non-aqueous electrolyte secondary batteries. A method for producing a positive electrode active material includes the step of heat-treating a lithium mixed metal oxide represented by the formula Li08-26-2010

Yuichiro Imanari, Ibaraki JP

Patent application numberDescriptionPublished
20090280412LITHIUM COMPOSITE METAL OXIDE AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides a lithium composite metal oxide containing Li and at least one transition metal element, wherein at least one lithium composite metal oxide particle constituting the lithium composite metal oxide has both hexagonal and monoclinic crystal structures. Further, the present invention also provides a lithium composite metal oxide containing Li, Ni and M (where, M represents one or more kinds of transition metal elements selected from the group consisting of Mn, Co and Fe), having a diffraction peak (diffraction peak A) at an angle 2θ in a range from 20° to 23° in a powder X-ray diffraction pattern of a lithium composite metal oxide which is obtained by powder X-ray diffraction measurement made in the condition that CuKα is used as a radiation source and the measurement range of diffraction angle 2θ is in a range from 10° to 90°.11-12-2009
20090314984ACTIVE MATERIAL FOR NONAQUEOUS SECONDARY BATTERY AND METHOD FOR PRODUCING SAME - There is provided a method for producing an active material for a nonaqueous secondary battery, including firing an adherend in which a compound containing an element A (at least one element selected from among B, Al, Ga, In, Si, Ge, Sn, Mg and transition metal elements) is adhered to a particle surface of a material capable of being doped and dedoped with lithium ions, in a water-containing atmosphere so that weight increasing rate of the adherend is in a range of 0.1% by weight or more and 5.0% by weight or less, and firing the adherend.12-24-2009
20090315448PHOSPHOR, 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): M12-24-2009