Provided is a solid catalyst component for olefin polymerization capable of suitably producing polymer particles with a suppressed content ratio of fine powder and reduced surface stickiness at high activity when subjected to polymerization of an olefin. The solid catalyst component for olefin polymerization contains magnesium, titanium, halogen and an internal electron-donating compound, in which a cross-sectional pore area ratio is 10 to 50%, and a ratio MX.sub.i/MX.sub.s of a cross-sectional pore area ratio (MX.sub.i) in a region of less than 50% in a radial direction to a cross-sectional pore area ratio (MX.sub.s) in a region of 50% or more in the radial direction from a particle center is 0.50 to 2.00.

Disclosed are embodiments of tungsten bronze crystal structures that can have both a high dielectric constant and low temperature coefficient. Embodiments of the material can be useful for radiofrequency applications such as resonators and antennas.

The present invention provides a linear porous lithium titanate material, preparation and product thereof. The material comprises a lithium titanate material having a crystal phase which is a spinel type, wherein the lithium titanate material has a linear structure having an aspect ratio of greater than 10, and the linear lithium titanate material has a porous structure; wherein the linear porous lithium titanate material has a structure composed of a plurality of particles having an oriented growth direction. The material has a long-axis structure which facilitates the effective migration of electrons, a porous structure which facilitates the rapid intercalation and deintercalation process of lithium ions, sodium ions or potassium ions, and a large specific surface area which facilitates the contact area between the electrolyte solution and the electrodes and reduces the current density, thus is excellent in a rapid charge-discharge performance of the battery.

The present invention provides: a light absorption layer for forming a photoelectric conversion element and an intermediate-band solar cell which have excellent two-step light absorption quantum yield; and a photoelectric conversion element and an intermediate-band solar cell having the light absorption layer. In addition, the present invention provides a method for manufacturing a light absorption layer that includes an intermediate-band and that has few voids. This light absorption layer: is configured so that quantum dots are scattered in the matrix of a bulk semiconductor having band gap energy of 2.0 to 3.0 eV; includes an intermediate-band; and has a void rate of no more than 10%.

This disclosure provides systems, methods, and apparatus related to lithium metal oxyfluorides. In one aspect, a method for manufacturing a lithium metal oxyfluoride having a general formula Li.sub.1+x(MM′).sub.zO.sub.2-yF.sub.y, with 0.6≤z≤0.95, 0<y≤0.67, and 0.05≤x≤0.4, the lithium metal oxyfluoride having a cation-disordered rocksalt structure, includes: providing at least one lithium-based precursor; providing at least one redox-active transition metal-based precursor; providing at least one redox-inactive transition metal-based precursor; providing at least one fluorine-based precursor comprising a fluoropolymer; and mixing the at least one lithium-based precursor, the at least one redox-active transition metal-based precursor, the at least redox-inactive transition metal-based precursor, and the at least one fluorine-based precursor comprising a fluoropolymer to form a mixture.

An anticorrosive, conductive material includes a first oxide having oxygen vacancies and a formula (I): MgTi.sub.2O.sub.5-δ (I), where .sub.δ is any number between 0 and 3 optionally including a fractional part denoting the oxygen vacancies; and a second oxide having a formula (II): Ti.sub.aO.sub.b (II), where 1<=a<=20 and 1<=b<=30, optionally including a fractional part, the first and second oxides of formulas (I) and (II) forming a polycrystalline matrix.

Methods of forming dispersible ferroelectric nanoparticles, including polyether-ylated barium titanate nanoparticles. Uses of the dispersible ferroelectric nanoparticles, including as a ferroelectric tracer material, optionally for detecting a presence and/or measuring a distribution of an oil or a hydrocarbon in a subsurface formation and/or flowback fluid. Compositions and methods involving an oil or hydrocarbon recovery fluid and the dispersible ferroelectric nanoparticles for detecting a presence, measuring a distribution, or both of an oil or a hydrocarbon in a subsurface formation and/or flowback fluid.

A process for the preparation of non-fibrous alkaline titanates comprising the steps of: melting alkaline titanate in a furnace at a temperature ranging from 1300° C. to 1500° C. to form a molten product; cooling said molten product by placing it in contact with a material having a temperature equal to or lower than 15° C.

There is demand for a lithium ion capacitor positive electrode that can improve the battery characteristics (and, in particular, the rate characteristics) of a lithium ion capacitor. This lithium ion capacitor positive electrode is characterized by containing, in a positive electrode active material, at least one titanate selected from among Li.sub.2TiO.sub.3, Li.sub.4Ti.sub.5O.sub.12, Na.sub.2TiO.sub.3, and K.sub.2Ti.sub.2O.sub.5.

There is demand for a power storage device composition that: compared to past lithium compounds, can suppress development of conductivity caused by blue discoloration (reduction), even when used in a reducing atmosphere; and can inhibit the generation of gases, such as carbon dioxide gas, hydrogen gas, and fluoride gas, that has been a problem in past power storage devices during use and with aging. This power storage device composition is characterized by including, as a principal component, Li.sub.2TiO.sub.3 that has an x-ray diffraction pattern for which the intensity ratio (A/B) of the peak intensity (A) at a diffraction angle of 2θ=18.4±0.1° and the peak intensity (B) at a diffraction angle of 2θ=43.7±0.1° is at least 1.10.