Abstract: A recycling method for a direct air capture device is a recycling method for a direct air capture device including a porous carrier on which a carbon dioxide absorbent is supported. The porous carrier is made of an inorganic material having a hydroxyl group. The carbon dioxide absorbent is a hydrophilic polymer. The recycling method includes removing a used carbon dioxide absorbent from the porous carrier by heating the direct air capture device to a predetermined temperature, and then causing a new carbon dioxide absorbent to be supported on the porous carrier.

Abstract: The main object of the present invention is to provide a sulfide solid electrolyte material having favorable ion conductivity and high stability against moisture. The present invention solves the above-mentioned problem by providing a sulfide solid electrolyte material comprising an M1 element (such as Li element), an M2 element (such as Ge element, Sn element and P element) and a S element, and having a peak at a position of 2?=29.58°±0.50° in X-ray diffraction measurement using a CuK? ray, characterized in that when a diffraction intensity at the above-mentioned peak of 2?=29.58°±0.50° is regarded as IA and a diffraction intensity at a peak of 2?=27.33°±0.50° is regarded as IB, a value of IB/IA is less than 0.50, and the M2 contains at least P and Sn.

Abstract: A nitrogen oxide (NOx) reduction catalyst that includes a transition metal tungstate having the formula: MWO4 wherein M is selected from the group consisting of Mn, Fe, Co, Ni, and Cu. The catalyst may be utilized in various environments including oxygen rich and oxygen deficient environments.

Abstract: A nitrogen oxide (NOx) reduction catalyst that includes a transition metal tungstate having the formula: MWO4 wherein M is selected from the group consisting of Mn, Fe, Co, Ni, and Cu. The catalyst may be utilized in various environments including oxygen rich and oxygen deficient environments.

Abstract: A main object of the present invention is to provide a sulfide solid electrolyte material having favorable ion conductivity and low reduction potential. The present invention solves the above-mentioned problem by providing a sulfide solid electrolyte material including an M1 element (such as a Li element), an M2 element (such as a Ge element, a Si element and a P element) and a S element, wherein the material has a peak at a position of 2?=29.58°±0.50° in X-ray diffraction measurement using a CuK? line; and when a diffraction intensity at the peak of 2?=29.58°±0.50° is regarded as IA and a diffraction intensity at a peak of 2?=27.33°±0.50° is regarded as IB, a value of IB/IA is less than 0.50, and M2 contains at least P and Si.

Abstract: An object of the present disclosure is to provide a method for producing a NOx storage-reduction catalyst capable of inhibiting decreases in NOx purification performance following exposure to high temperatures. The present disclosure achieves the aforementioned object with a method for producing a NOx storage-reduction catalyst, comprising: (A) supporting potassium compound particles on catalyst support particles by using an potassium dispersed water containing the potassium compound particles, and (B) calcining the catalyst support particles supporting the potassium compound particles; wherein, the potassium compound particles are at least one type selected from the group consisting of oteracil potassium, potassium tetranitroacridone, potassium tetraphenylborate, and potassium tetranitrophenothiazine-9-oxide.

Abstract: The present disclosure provides an exhaust gas purification catalyst having improved performance for purifying an exhaust gas, in particular, an exhaust gas containing NOx. The exhaust gas purification catalyst of the present disclosure includes Rh-supporting composite oxide support particles containing Al, Zr, and Ti and Rh-supporting aluminum phosphate-based support particles. Furthermore, in the exhaust gas purification catalyst of the present disclosure, the ratio of the moles of metals constituting the aluminum phosphate-based support particles, relative to the total moles of metals constituting the composite oxide support particles and the aluminum phosphate-based support particles is 7.5% or more and 15.0% or less.

Abstract: An object of the present disclosure is to provide a method for producing a NOx storage-reduction catalyst capable of inhibiting decreases in NOx purification performance following exposure to high temperatures. The present disclosure achieves the aforementioned object with a method for producing a NOx storage-reduction catalyst, comprising: (A) supporting potassium compound particles on catalyst support particles by using an potassium dispersed water containing the potassium compound particles, and (B) calcining the catalyst support particles supporting the potassium compound particles; wherein, the potassium compound particles are at least one type selected from the group consisting of oteracil potassium, potassium tetranitroacridone, potassium tetraphenylborate, and potassium tetranitrophenothiazine-9-oxide.

Abstract: The present invention provides a lithium secondary battery having reduced internal resistance. The lithium secondary battery comprises a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode comprises, as a positive electrode active material 30, a lithium transition metal composite oxide having a layered structure. In a surface region 82A of a positive electrode active material particle 82, at least one species among elements belonging to groups 3 to 7 of the periodic table is supplemented by ion implantation.

Abstract: The present disclosure provides an exhaust gas purification catalyst having improved performance for purifying an exhaust gas, in particular, an exhaust gas containing NOx. The exhaust gas purification catalyst of the present disclosure includes Rh-supporting composite oxide support particles containing Al, Zr, and Ti and Rh-supporting aluminum phosphate-based support particles. Furthermore, in the exhaust gas purification catalyst of the present disclosure, the ratio of the moles of metals constituting the aluminum phosphate-based support particles, relative to the total moles of metals constituting the composite oxide support particles and the aluminum phosphate-based support particles is 7.5% or more and 15.0% or less.

Abstract: A nitrogen oxide (NOx) reduction catalyst that includes a transition metal tungstate having the formula: MWO4 wherein M is selected from the group consisting of Mn, Fe, Co, Ni, and Cu. The catalyst may be utilized in various environments including oxygen rich and oxygen deficient environments.

Abstract: A main object of the present invention is to provide a sulfide solid electrolyte material having favorable ion conductivity and low reduction potential. The present invention solves the above-mentioned problem by providing a sulfide solid electrolyte material including an M1 element (such as a Li element), an M2 element (such as a Ge element, a Si element and a P element) and a S element, wherein the material has a peak at a position of 2?=29.58°±0.50° in X-ray diffraction measurement using a CuK? line; and when a diffraction intensity at the peak of 2?=29.58°±0.50° is regarded as IA and a diffraction intensity at a peak of 2?=27.33°±0.50° is regarded as IB, a value of IB/IA is less than 0.50, and M2 contains at least P and Si.

Abstract: The main object of the present invention is to provide a sulfide solid electrolyte material having favorable ion conductivity and high stability against moisture. The present invention solves the above-mentioned problem by providing a sulfide solid electrolyte material comprising an M1 element (such as Li element), an M2 element (such as Ge element, Sn element and P element) and a S element, and having a peak at a position of 2?=29.58°±0.50° in X-ray diffraction measurement using a CuK? ray, characterized in that when a diffraction intensity at the above-mentioned peak of 2?=29.58°±0.50° is regarded as IA and a diffraction intensity at a peak of 2?=27.33°±0.50° is regarded as IB, a value of IB/IA is less than 0.50, and the M2 contains at least P and Sn.

Abstract: The present invention provides a lithium ion secondary battery capable of improving charge/discharge cycle characteristics or durability such as high-temperature storability, while suppressing deterioration in initial performance, and a manufacturing method thereof. The lithium ion secondary battery according to the present invention includes an electrode serving as a cathode or an anode including an electrode layer containing an active material. At least a part of a surface of the active material is coated with lithium halide (X) having a low ionic bonding property and a peak strength ratio P1/P2 of less than 2.0 between a peak strength P1 in the vicinity of 60 eV and a peak strength P2 in the vicinity of 70 eV in a Li-XAFS measurement.

Abstract: A non-aqueous electrolyte secondary battery according to the present invention includes a positive electrode, a negative electrode, and a non-aqueous electrolyte solution. The negative electrode includes a coating derived from lithium bis(oxalate)borate. Assuming that an intensity of a peak attributable to a three-coordinate structure of the coating measured by an XAFS method is represented by a and an intensity of a peak attributable to a four-coordinate structure of the coating measured by the XAFS method is represented by ?, the coating formed on the surface of the negative electrode satisfies a condition of ?/(?+?)?0.4. Accordingly, it is possible to provide a non-aqueous electrolyte secondary battery capable of reliably obtaining the effect due to the formation of a coating.

Abstract: The present invention produces nuclide transmutation using a relatively small-scale device. The device 10 that produces nuclide transmutation comprises a structure body 11 that is substantially plate shaped and made of palladium (Pd) or palladium alloy, or another metal that absorbs hydrogen (for example, Ti) or an alloy thereof, and a material 14 that undergoes nuclide transmutation laminated on one surface 11A among the two surfaces of this structure body 11. The one surface 11 A side of the structure body 11, for example, is made a region in which the pressure of the deuterium is high due to pressure or electrolysis and the like, and the other surface 11B side, for example, is a region in which the pressure of the deuterium is low due to vacuum exhausting and the like, arid thereby, a flow of deuterium in the structure body 11 is produced, and nuclide transmutation is carried out by a reaction between the deuterium and the material 14 that undergoes nuclide transmutation.

Abstract: The present invention provides a lithium secondary battery having reduced internal resistance. The lithium secondary battery comprises a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode comprises, as a positive electrode active material 30, a lithium transition metal composite oxide having a layered structure. In a surface region 82A of a positive electrode active material particle 82, at least one species among elements belonging to groups 3 to 7 of the periodic table is supplemented by ion implantation.

Abstract: An absorbent liquid according to the present invention is an absorbent liquid for absorbing CO2 or H2S or both from gas, in which the absorbent liquid includes an alkanolamine as a first compound component, and a second component including a nitrogen-containing compound having in a molecule thereof two members or more selected from a primary nitrogen, a secondary nitrogen, and a tertiary nitrogen or a nitrogen-containing compound having in a molecule thereof all of primary, secondary, and tertiary nitrogens. The absorbent liquid has an excellent absorption capacity performance and an excellent absorption reaction heat performance, as compared to an aqueous solution containing solely an alkanolamine and a nitrogen-containing compound in the same concentration in terms of wt %, and can recover CO2 or H2S or both from gas with smaller energy.

Abstract: A nuclide processing method which binds a first nuclide material including at least one of Cs, C, and Sr that undergoes nuclide transmutation to a surface layer of a multilayer structure body. The method heats the multilayer structure body by the heater. The method supplies deuterium gas, at atmospheric pressure supplied from a tank of deuterium, into an absorption chamber holding the multilayer structure body, and evacuates a desorption chamber holding the multilayer structure body to a vacuum level below atmospheric pressure to provide a flow of the deuterium gas that penetrates through the heated multilayer structure body and the first nuclide material bound on the multilayer structure body.

Abstract: A nuclide processing method which binds a first nuclide material including at least one of Cs, C, and Sr that undergoes nuclide transmutation to a surface layer of a multilayer structure body. The method heats the multilayer structure body by the heater. The method supplies deuterium gas, at atmospheric pressure supplied from a tank of deuterium, into an absorption chamber holding the multilayer structure body, and evacuates a desorption chamber holding the multilayer structure body to a vacuum level below atmospheric pressure to provide a flow of the deuterium gas that penetrates through the heated multilayer structure body and the first nuclide material bound on the multilayer structure body.