A process for depositing a coating on short fibres of carbon or silicon carbide from a coating precursor, the short fibres having a length of between 50 μm and 5 mm, the process including at least heating the short fibres by placing a mixture including the fibres and a liquid phase of the coating precursor in a microwave field so as to bring the surface of the fibres to a temperature allowing the coating on the fibres from the coating precursor to be formed by calefaction.

Embodiments of the present disclosure generally relate to carbon materials for battery electrodes and methods for preparing such carbon materials. More specifically, embodiments relate to methods for coating a carbon film onto nano-ordered carbon particles to produce carbon-coated particles which can be used as an anode material within a battery, such as a lithium-ion battery, a sodium-ion battery, other types of batteries. In one or more embodiments, a method for producing carbon-coated particles is provided and includes positioning nano-ordered carbon particles within a processing region of a processing chamber, purging the processing region containing the nano-ordered carbon particles with an inert gas, heating the nano-ordered carbon particles to a temperature of about 700° C. or greater during an annealing process, and depositing a carbon film on the nano-ordered carbon particles to produce carbon-coated particles during a vapor deposition process.

An ultra-fast charging, high-capacity composite material for use with anodes in lithium-ion batteries including a phosphorene layer on a carbon-based negative electrode material. The carbon-based negative electrode material may be activated carbon, graphene, carbon nanotubes, or combinations thereof. The phosphorene layer includes a base layer of black phosphorus upon which is deposited activated carbon having a disclosed range of particle size and surface area. In a second embodiment, the negative electrode material is a composite of activated carbon and black carbon and includes a negative electrode current collector of copper foil. A slurry is made from a carbon-based conductive agent and a binder, and applied to both sides of the copper foil, then heated and compacted with a rolling machine. The anodes thus produced are used in making lithium-ion batteries, capacitors, etc.

The current invention describes a method of manufacturing a porous dielectric material, the method comprising (a) providing a porous template, (b) coating the porous template with an inorganic dielectric material or a precursor of an inorganic dielectric material to form a coated porous template, (c) treating the coated porous template to remove the porous template and to form a porous structure of dielectric material from the coating of inorganic dielectric material or precursor of an inorganic dielectric material, and (d) combining the formed porous structure of dielectric material with a coating polymer to form the porous dielectric material. The invention also relates to RF components on a substrate material, with a conductive material deposited on a porous dielectric material.

The present invention provides an apparatus for the deposition of thin films on a substrate, including large substrates, held preferably face-down, in a cartridge containing a liquid solution with at least a chemical precursor which, upon being subject to a uniform microwave field transmitted through a microwave-transparent window, leads to the formation of a thin film on the substrate. The present invention also provides a system for launching microwaves and controlling the process for film deposition on the substrate. The present invention also provides a process for obtaining a film of uniform thickness and characteristics on a substrate or for incorporating controlled non-uniformity. The present invention also provides an apparatus and method for film deposition on a series of substrates in a continuous batch process.

The present invention relates to a photoelectric film and a fabrication method thereof, and in particular, to a layered polycrystalline lead selenide (PbSe) film and a fabrication method thereof. The fabrication method mainly includes: (1) fabricating a dense PbSe layer on a substrate through chemical bath deposition (CBD); (2) fabricating a loose plumbonacrite (Pb.sub.10O(OH).sub.6(CO.sub.3).sub.6) layer on the dense PbSe layer through CBD; (3) placing a sample with the dense PbSe layer and the Pb.sub.10O(OH).sub.6(CO.sub.3).sub.6 layer in a selenium ion-containing solution to allow an ion exchange reaction to finally form the layered polycrystalline PbSe film. The fabrication method has the advantages of simple process, low cost, and high controllability. The PbSe film fabricated by the method is composed of a lower dense polycrystalline cubic PbSe layer and an upper loose polycrystalline cubic PbSe layer, which can be widely used in the fabrication of components in the field of photoelectric conversion or thermoelectric conversion, such as infrared (IR) sensors, solar cells, laser emitters, and thermoelectric converters.

A method for fabricating quantum dots according to the present disclosure includes (a) synthesizing InP cores based on an aminophosphine type phosphorus (P) precursor, (b) size-sorting the InP cores, and (c) forming at least two shells on the size-sorted InP cores. In this instance, the size-sorting includes precipitating the InP cores with an addition of a dispersive solvent and a nondispersive solvent to the InP cores and separating the InP cores using a centrifugal separator, wherein the InP cores are separated in a descending order by size by performing iteration with a gradual increase in an amount of the nondispersive solvent.

The present disclosure relates to disk separator plates that include a coating to increase the water contact angle of the exterior surface of the disk separator plate so as to decrease its wettability. The present disclosure also involves hard disk drives that include such a disk separator plate and related methods of forming such a coating.

A hybrid halide perovskite film and methods of forming a hybrid halide perovskite film on a substrate are described. The film is formed on the substrate by depositing an organic solution on a substrate, heating the substrate and the organic solution to form an organic layer on the substrate, depositing an inorganic layer on the organic layer, and heating the substrate having the inorganic layer thereon to form a hybrid halide perovskite film. In some embodiments, the hybrid halide perovskite film comprises a CH[NH.sub.2].sub.2.sup.+MX.sub.3 compound, where M is selected from the group consisting of Sn, Pb, Bi, Mg and Mn, and where X is selected from the group consisting of I, Br and Cl. In other embodiments, the hybrid halide perovskite film comprises a FAMX.sub.3 compound. Methods of forming a piezoelectric device are also disclosed.

Disclosed are a precursor solution for a copper-zinc-tin-sulfur (CZTS) thin film solar cell, a preparation method therefor, and the use thereof. The present invention discloses two types of simple metal complexes which are capable of formulating a high-quality precursor solution.