Abstract: A non-aqueous electrolyte secondary battery disclosed herein includes a positive electrode containing a positive electrode active material, a negative electrode, and a non-aqueous electrolyte, and the positive electrode active material includes a positive electrode active material particle containing a lithium transition metal compound, and a coating portion coating at least a part of a surface of the positive electrode active material particle. The coating portion contains a lithium ionic conductor containing lithium, a phosphoric acid group, and at least one element of lanthanum (La) and cerium (Ce).

Abstract: A non aqueous electrolyte secondary battery includes a positive electrode containing a positive electrode active material, a negative electrode, and a non aqueous electrolyte, and the positive electrode active material includes a positive electrode active material particle containing a lithium transition metal compound, and a coating portion coating at least a part of a surface of the positive electrode active material particle. The coating portion contains a lithium ionic conductor containing lithium, a phosphoric acid group, and yttrium. The lithium ionic conductor includes a region A in which a ratio of yttrium is relatively rich and a region B in which the ratio of yttrium is relatively poor.

Abstract: The present invention provides a zirconium-containing alcohol solution including zirconium oxyacetate, a C1-3 carboxylic acid or a C1-3 carboxylate, water, and an alcohol-based solvent, the zirconium-containing alcohol solution being such that the transmittance for light of a wavelength of 380 nm after heating for 50 hours at a temperature of 40° C. is 90-100%.

Abstract: This invention provides a ceramic powder capable of forming a sintered body having a high density and high ionic conductivity even at a sintering temperature lower than the temperature conventionally used, and provides a battery containing a sintered body of the ceramic powder as a constituent element. The above problem is solved by a ceramic powder containing a garnet-type oxide and compound 1, wherein the garnet-type oxide contains zirconium, lithium, and lanthanum, and compound 1 contains at least one metal element selected from the group consisting of lanthanum, lithium, zirconium, gallium, scandium, yttrium, cerium, aluminum, calcium, magnesium, barium, strontium, niobium, and tantalum.

Abstract: In order to provide a zirconium boride that provides high caloric value at the time of its combustion with a compound having radicals such as perchlorate and can combust in a short period of time, while providing high physical stability, an amount of radical derived from lattice defect detected by ESR spectroscopy, is set to 0.1×1015 spin/mg or more.

Abstract: A non aqueous electrolyte secondary battery includes a positive electrode containing a positive electrode active material, a negative electrode, and a non aqueous electrolyte, and the positive electrode active material includes a positive electrode active material particle containing a lithium transition metal compound, and a coating portion coating at least a part of a surface of the positive electrode active material particle. The coating portion contains a lithium ionic conductor containing lithium, a phosphoric acid group, and yttrium. The lithium ionic conductor includes a region A in which a ratio of yttrium is relatively rich and a region B in which the ratio of yttrium is relatively poor.

Abstract: A non-aqueous electrolyte secondary battery disclosed herein includes a positive electrode containing a positive electrode active material, a negative electrode, and a non-aqueous electrolyte, and the positive electrode active material includes a positive electrode active material particle containing a lithium transition metal compound, and a coating portion coating at least a part of a surface of the positive electrode active material particle. The coating portion contains a lithium ionic conductor containing lithium, a phosphoric acid group, and at least one element of lanthanum (La) and cerium (Ce).

Abstract: In order to provide a zirconium boride that provides high caloric value at the time of its combustion with a compound having radicals such as perchlorate and can combust in a short period of time, while providing high physical stability, an amount of radical derived from lattice defect detected by ESR spectroscopy, is set to 0.1×1015 spin/mg or more.

Abstract: The present invention provides a production method that can produce a garnet-type compound containing zirconium and lithium, the compound being in the form of fine particles, with high productivity. The method produces a garnet-type compound containing Zr, Li, and element M1 (wherein M1 is at least one element selected from the group consisting of La, Sc, Y, and Ce) as constituent elements. The method includes a first step of (1) mixing a first raw material and a second raw material to obtain a precipitate, the first raw material being a solution containing a zirconium carbonate complex and having a pH of at least 7.0 and not more than 9.5, and the second raw material containing a compound containing the above element M1 as a constituent element; and (2) a second step of mixing the precipitate and a third raw material containing Li as a constituent element to obtain a mixture, and then firing the mixture at a temperature of less than 1,000° C. to obtain a fired product.

Abstract: The present invention provides a production method that can produce a garnet-type compound containing zirconium and lithium, the compound being in the form of fine particles, with high productivity. The method produces a garnet-type compound containing Zr, Li, and element M1 (wherein M1 is at least one element selected from the group consisting of La, Sc, Y, and Ce) as constituent elements. The method includes a first step of (1) mixing a first raw material and a second raw material to obtain a precipitate, the first raw material being a solution containing a zirconium carbonate complex and having a pH of at least 7.0 and not more than 9.5, and the second raw material containing a compound containing the above element M1 as a constituent element; and (2) a second step of mixing the precipitate and a third raw material containing Li as a constituent element to obtain a mixture, and then firing the mixture at a temperature of less than 1,000° C. to obtain a fired product.

Abstract: Provided is a phosphor for a dispersion-type EL that may be manufactured in a simple process and may provide stable, high brightness and light emission efficiency. The phosphor for a dispersion-type EL according to the present invention includes a mixture of an electron-accepting phosphor particle (4A) and an electron-donating phosphor particle (4B). The electron-accepting phosphor particle (4A) includes a base particle and an acceptor element added thereto, and the electron-donating phosphor particle (4B) includes a base particle and a donor element added thereto. For example, the base particle is a ZnS particle, the acceptor element is Cu, and the donor element is Cl or Al.

Abstract: The present invention provides a cerium oxide-zirconium oxide based composite oxide that has a large OSC at a low temperature and that has a suitable OSC, and a method for readily producing the composite oxide. Specifically, the present invention provides a cerium oxide-zirconium oxide based composite oxide comprising a mixture of (1) a cerium-zirconium composite oxide from a melting process and (2) cerium dioxide from a wet process, and a method for producing a cerium oxide-zirconium oxide based composite oxide, the method comprising dispersing a cerium-zirconium composite oxide from a melting process in a cerium-containing solution, neutralizing the resulting dispersion; and then performing a heat treatment.

Abstract: Provided is a phosphor for a dispersion-type EL that may be manufactured in a simple process and may provide stable, high brightness and light emission efficiency. The phosphor for a dispersion-type EL according to the present invention includes a mixture of an electron-accepting phosphor particle (4A) and an electron-donating phosphor particle (4B). The electron-accepting phosphor particle (4A) includes a base particle and an acceptor element added thereto, and the electron-donating phosphor particle (4B) includes a base particle and a donor element added thereto. For example, the base particle is a ZnS particle, the acceptor element is Cu, and the donor element is Cl or Al.

Abstract: The present invention provides a cerium oxide-zirconium oxide based composite oxide that has a large OSC at a low temperature and that has a suitable OSC, and a method for readily producing the composite oxide. Specifically, the present invention provides a cerium oxide-zirconium oxide based composite oxide comprising a mixture of (1) a cerium-zirconium composite oxide from a melting process and (2) cerium dioxide from a wet process, and a method for producing a cerium oxide-zirconium oxide based composite oxide, the method comprising dispersing a cerium-zirconium composite oxide from a melting process in a cerium-containing solution, neutralizing the resulting dispersion; and then performing a heat treatment.

Abstract: Provided are a complex oxide useful as a catalyst that has superior heat resistance and is able to remove a nitrogen oxide in the presence of ammonia; a method for producing the same; a nitrogen-oxide removal catalyst, which contains the complex oxide as an active ingredient; a method for removing a nitrogen oxide using the same; and an apparatus including the catalyst. The complex oxide containing cerium oxide, titanium oxide, zirconium oxide, and sulfate (sulfate ion: SO42?) and having the cerium oxide content of 15 to 30 percent by weight and the sulfate content of 1.6 percent by weight or more, is superior in catalytic activity (ability to remove a nitrogen oxide in the presence of ammonia) and thermal stability. Accordingly, a complex oxide that is composed of cerium oxide, titanium oxide, zirconium oxide, and sulfate and have the cerium oxide content of 15 to 30 percent by weight and the sulfate content of 1.6 percent by weight or more is useful for removing a nitrogen oxide.