A method for producing an electrically conductive paste, including a step of manufacturing paste A by exerting a cavitation effect in mixed liquid A containing multi-walled carbon nanotubes and a solvent, a step of manufacturing paste B from mixed liquid B containing carbon black particles, graphitized carbon nanofibers and a solvent, and a step of mixing paste A and paste B.

A method for producing an electrically conductive paste, including a step of manufacturing paste A by exerting a cavitation effect in mixed liquid A containing multi-walled carbon nanotubes and a solvent, a step of manufacturing paste B from mixed liquid B containing carbon black particles, graphitized carbon nanofibers and a solvent, and a step of mixing paste A and paste B.

Water soluble, low alpha particle emission, electrically conductive coatings and techniques for formation thereof are provided. In one aspect, a method for forming an electrically-conductive coating on a substrate includes the steps of: forming an aqueous solution of a water soluble polymer (e.g., a polyvinylpyrrolidinone polymer or copolymer); adding electrically conductive filler particles to the aqueous solution above a percolation threshold to form a mixture; and depositing the mixture onto the substrate to form a low alpha particle emitting, electrically-conductive coating on the substrate, wherein the coating blocks alpha particles from being emitted from the substrate. An article and an alpha particle detector having a surface(s) thereof covered with the coating are also provided.

Water soluble, low alpha particle emission, electrically conductive coatings and techniques for formation thereof are provided. In one aspect, a method for forming an electrically-conductive coating on a substrate includes the steps of: forming an aqueous solution of a water soluble polymer (e.g., a polyvinylpyrrolidinone polymer or copolymer); adding electrically conductive filler particles to the aqueous solution above a percolation threshold to form a mixture; and depositing the mixture onto the substrate to form a low alpha particle emitting, electrically-conductive coating on the substrate, wherein the coating blocks alpha particles from being emitted from the substrate. An article and an alpha particle detector having a surface(s) thereof covered with the coating are also provided.

A fluid circuit includes a plurality of tubing segments and a plurality of operative components. Each tubing segment includes i) a non-conductive polymer portion defining a fluid passageway and ii) one or more interior conductive fluoropolymer stripes extending axially to the ends of each of the respective tubing segments. Each operative component includes a conductive fluoropolymer that extends between a plurality of tubing connector fittings forming a part of the fluid circuit, wherein each of the tubing connector fittings conductively connect the respective conductor of the operative component to the interior conductive fluoropolymer stripes of the tubing segment to provide a path to ground that extends through each operative component and each tubing segment.

Disclosed is an electrode structure including an electrode body, a composite layer disposed on the electrode body; a surface of the composite layer away from the electrode body being set to be a finger contact surface in a case of fingerprint recognition, wherein the composite layer is made from composite materials formed by a cured main body glue and one-dimensional nano-conductor materials distributed in the main body glue; and an end of each of the one-dimensional nano-conductor materials exposed from the finger contact surface of the composite layer, and the other of each of the one-dimensional nano-conductor materials makes contact with the electrode body. A fingerprint recognition module including the electrode structure and a manufacturing method thereof are also disclosed.

Disclosed is an electrode structure including an electrode body, a composite layer disposed on the electrode body; a surface of the composite layer away from the electrode body being set to be a finger contact surface in a case of fingerprint recognition, wherein the composite layer is made from composite materials formed by a cured main body glue and one-dimensional nano-conductor materials distributed in the main body glue; and an end of each of the one-dimensional nano-conductor materials exposed from the finger contact surface of the composite layer, and the other of each of the one-dimensional nano-conductor materials makes contact with the electrode body. A fingerprint recognition module including the electrode structure and a manufacturing method thereof are also disclosed.

Silicon particles for active materials and electro-chemical cells are provided. The active materials comprising silicon particles described herein can be utilized as an electrode material for a battery. In certain embodiments, the composite material includes greater than 0% and less than about 90% by weight silicon particles, the silicon particles having an average particle size between about 10 nm and about 40 μm, wherein the silicon particles have surface coatings comprising silicon carbide or a mixture of carbon and silicon carbide, and greater than 0% and less than about 90% by weight of one or more types of carbon phases, wherein at least one of the one or more types of carbon phases is a substantially continuous phase.

Silicon particles for active materials and electro-chemical cells are provided. The active materials comprising silicon particles described herein can be utilized as an electrode material for a battery. In certain embodiments, the composite material includes greater than 0% and less than about 90% by weight silicon particles, the silicon particles having an average particle size between about 10 nm and about 40 μm, wherein the silicon particles have surface coatings comprising silicon carbide or a mixture of carbon and silicon carbide, and greater than 0% and less than about 90% by weight of one or more types of carbon phases, wherein at least one of the one or more types of carbon phases is a substantially continuous phase.

A conductive ink and a conductive coating are provided. The conductive ink includes a conductive polymer solution comprising conductive polymer dissolved in an aqueous-based media and a mixture of carbon nanotubes and graphene oxide sheets dispersed in the conductive polymer solution, wherein a weight ratio of the carbon nanotubes to the graphene oxide sheets is in a range from 0.25 to 2.5. The conductive coating includes a conductive polymer and a mixture of graphene oxide sheets and carbon nanotubes dispersed in the conductive polymer, wherein a weight ratio of the carbon nanotubes to the graphene oxide sheets is in a range from 0.25 to 2.5, and wherein the conductive coating has an optical transmittance value at 550 nm of at least 75%.