A powder for coating or sintering exhibits a peak assigned to orthorhombic YAlO.sub.3 in an X-ray diffractometry. Of peaks exhibited in the X-ray diffractometry, the peak assigned to the (112) plane of orthorhombic YAlO.sub.3 is a peak that has the highest peak intensity. Preferably, the value of the ratio of S2 to S1, S2/S1, is less than 1 in an X-ray diffractometry using CuKα radiation, where SI represents the peak intensity of the peak assigned to the (112) plane of orthorhombic YAlO.sub.3 and S2 represents the peak intensity of the peak assigned to the (104) plane of trigonal Al.sub.2O.sub.3.

A positive electrode active material for non-aqueous electrolyte secondary batteries comprises a lithium transition metal oxide containing Ni, Mn, Co, and Al and having a layered structure, wherein the content ratio of Ni in the lithium transition metal oxide is 75 to 95 mol %, the content ratio of Mn in the lithium transition metal oxide is equal to or greater than the content ratio of Co in the lithium transition metal oxide, the content ratio of Co in the lithium transition metal oxide is 0.5 to 2 mol %, the content ratio of a metal element other than Li in an Li layer in the layered structure is 1 to 2.5 mol %, and, in the lithium transition metal oxide, the half width n of a diffraction peak for (208) plane of an X-ray diffraction pattern as measured by X-ray diffraction is as follows: 0.30°≤n≤0.50°.

The present invention relates to a new chiral zeolite material of composition a SiO.sub.2:b GeO.sub.2:c X.sub.2O.sub.3:d YO.sub.2, with an ITV structure, prepared with a specific chiral organic structure-directing agent, (1S,2S)—N-ethyl-N-methyl-pseudoephedrine or its enantiomer, (1R,2R)—N-ethyl-N-methyl-pseudoephedrine, which means that the material is rich in one of the crystalline forms; a method whereby said material is obtained, and the use thereof in adsorption and catalysis processes.

A negative electrode material for a lithium-ion secondary battery containing a composite (C) that contains a porous carbon (A) and a Si-containing compound (B). The porous carbon (A) satisfies V.sub.1/V.sub.0>0.80 and V.sub.2/V.sub.0<0.10. When a total pore volume at the maximum value of a relative pressure P/P.sub.0 is defined as V.sub.0 and P.sub.0 is a saturated vapor pressure, a cumulative pore volume at a relative pressure P/P.sub.0=0.1 is defined as V.sub.1, and a cumulative pore volume at a relative pressure P/P.sub.0=10.sup.−7 is defined as V.sub.2 in a nitrogen adsorption test. Further, the porous carbon (A) has a BET specific surface area of 800 m.sup.2/g or more, and the Si-containing compound (B) is contained in pores of the porous carbon (A). Also disclosed is a negative electrode sheet including the negative electrode material and a lithium-ion secondary battery including the negative electrode sheet.

The invention provides a method for preparing an actinide metal peroxide from a corresponding actinide metal oxide under solid reaction conditions.

A new silicon material is provided. A negative electrode active material including an Al- and O-containing silicon material, the Al- and O-containing silicon material being configured such that a mass % of Al (W.sub.Al %) satisfies 0<W.sub.Al<1, and a peak indicating Al—O bond is observed in a range of 1565 to 1570 eV in an X-ray absorption fine structure measurement for a K shell of Al.

The present disclosure generally relates to compositions comprising substrate-free 2D crystalline nanomaterials of binary compounds of formula (M).sub.x(Te).sub.y, and the method of making and using the substrate-free crystalline 2D crystalline nanomaterial.

A crystalline titanium and magnesium compound having an X-ray diffraction pattern having interplanar spacing (d-spacing) values at about 5.94, 3.10, 2.97, 2.10, 1.98, 1.82, and 1.74±0.1 angstroms may be used in protective coatings for metal or metal alloy substrates. The coatings exhibit excellent corrosion resistances and provide corrosion protection equal to or better than typical non-chromate coatings.

A negative active material includes a carbon material. The carbon material satisfies the following relationship: 6<Gr/K<16, Gr is a graphitization degree of the carbon material, measured by means of X-ray diffraction; and K is a ratio Id/Ig of a peak intensity Id of the carbon material at a wavenumber of 1250 cm.sup.−1 to 1650 cm.sup.−1 to a peak intensity Ig of the carbon material at a wavenumber of 1500 cm.sup.−1 to 1650 cm.sup.−1, and is measured by using Raman spectroscopy, and K is 0.06 to 0.15. The negative active material according to this application can significantly improve an energy density, cycle performance, and rate performance of the electrochemical device.

An antimicrobial material including a substrate and an antimicrobial mixed metal oxide, mixed metal sulfide, or mixed metal oxysulfide in and/or on the substrate is described, as well as antimicrobial coating materials and coatings formed therefrom. The antimicrobial material may be constituted in an antimicrobial surface of a surface-presenting substrate, to combat transmission and spread of microbial disease, e.g., disease mediated by microbial pathogens such as bacteria, viruses, and fungi. Antimicrobial mixed metal oxide, mixed metal sulfide, or mixed metal oxysulfide as described may be contacted with microorganisms to effect inactivation thereof.