Disclosed are an anti-icing material with stealth function, a preparation method and use thereof. The anti-icing material with stealth function according to the disclosure includes an electrically insulating and thermally insulating layer, a patterned heating layer, an electrically insulating and thermally conducting layer, and a hydrophobic layer, that are disposed sequentially through stacking, wherein the patterned heating layer has a patterned hollowed-out structure.

An article includes a substrate and a resistance heating element bonded to the substrate. The resistance heating element is comprised of, by weight, 10 to 45% of graphene, 0.25 to 45% of carbon nanostructure (CNS) material different than the graphene, and a remainder of glass frit. The graphene and the CNS material include a coupling agent that bonds the graphene and the CNS material with at least the glass frit.

According to the invention there is provided an electrothermic composition comprising: a carbon component; a graphite component having a crystallinity of 99.9% and wherein the graphite is heat treated at a temperature of 2500° C. to 3000° C., and a binder, whereby the composition has a thermal coefficient of electrical resistance (TCR) of ±0.0001 to 0.0010 per ° C. over a temperature range of from about 20° C. to 60° C. in an airborne environment, wherein the ratio of the first conductive component and the second resistor component is selected between 10:1 to 1:10.

A method for applying a heating system on a surface includes providing an imprint form including a basic form and an arm, tampon printing a plurality of heating elements on the surface with the imprint form such that each heating element has the basic form of the imprint form and is produced with a guide arm by the arm of the respective imprint form, where two adjacent heating elements are connected by the guide arm, and the heating elements are made from a conductive substrate including conductive particles, and connecting the heating elements to at least one heating conductor or heating segment.

The present invention relates to a heating device comprising: a base substrate; an electrically conductive layer, referred to as the heating layer, carried by the substrate, formed from at least one percolating network of nano-objects comprising metal nanowires; and a thermal diffusion layer made from aluminum nitride, covering all or part of the heating layer. The invention also concerns a method for preparing such a heating device.

A resistive heating element for use in or manufacturing of a component of an aircraft or spacecraft. The resistive heating element includes a sheet made from carbon nanotubes (CNTs) having a length of at least about 5 μ.Math.η, and formed as a nonwoven or composite polymer sheet, having good uniformity. The sheet is made with a basis weight between 1 and 50 grams per square meter (gsm), to provide a resistance value, inversely related to the basis weight, of at least about 0.01 ohms per square (Ω/□), and up to about 100 Ω/□. The CNTs can have an aspect ratio of at least about 1000:1, and at least about 10,000:1 or 100,000:1. The resistance value of the sheet can be controlled by the basis weight of CNTs, the diameter of the CNTs, and the length of CNTs, as well as chemical and mechanical treatments.

Methods of passively sampling PFAS in the environment, PFAS sorbents, apparatus and systems (apparatus plus conditions) for sampling groundwater, porewater, and surface water are described.

A composite roof panel of a vehicle disposed vertically above a passenger cabin of the vehicle includes: a first one or more layers of carbon fiber; a second one or more layers of carbon fiber; a binder material configured to bind the first and second one or more layers of carbon fiber; first and second electrical conductors that are: disposed between the first one or more layers of carbon fiber and the second one or more layers of carbon fiber; configured to be selectively electrically connected to a battery of the vehicle; and electrically connected to at least one of the first and second one or more layers of carbon fiber.

A method for activating a gas, wherein an electrically conductive aeromaterial having a pore space comprising the gas is electrically contacted and at least one electric current, which varies over time, flows through the aeromaterial, wherein the aeromaterial exhales gas from the pore space when the electrical power consumption is increased and inhales gas from the surroundings of the aeromaterial when the power consumption is decreased, and wherein a temporally pulsed current having predefined pulse power levels, pulse durations and pulse spacings is fed through the aeromaterial and the temperature of the aeromaterial is changed by the time-varying current by 100° C. or more within one second or less. The invention also relates to an electrothermal gas actuator and to uses of a gas actuator.

An atomizing core and an atomizer are provided. The atomizing core includes a core, a heater, a flow guiding element, a filter and a tube. The core includes a first end and a second end dispose on an opposite side of the first end. The heater is disposed around an outer periphery of the core. The heater includes a heating pipe and a heat conducting pipe. The heat conducting pipe surrounds and contacts the outer periphery of the core, and the heating pipe surrounds and contacts an outer periphery of the heat conducting pipe. The flow guiding element is disposed on the second end of the core. The filter is disposed on a side of the flow guiding element away from the core. The tube is used to cover the core, the heater, the flow guiding element and filter.