Abstract: The present disclosure relates to an atomizing core and an electronic atomizing device. The atomizing core includes: a base including an atomizing surface; and a heating element disposed on the base, and capable of atomizing liquid on the atomizing surface. The heating element includes a first surface that is in a thickness direction thereof and attached to the base. The heating element is provided with liquid guiding channels that are kept at a set distance from the first surface.

Abstract: An atomization core includes: a porous substrate; a heating member protruding from the porous substrate, the heating member having a first surface and a second surface, the first surface being in contact with the porous substrate, and the second surface not being in contact with the porous substrate; and a porous liquid guide layer connected to the porous substrate and covering at least part of the second surface.

Abstract: A heating element includes: a porous substrate; a heat dissipation layer disposed on the porous substrate, the heat dissipation layer having a porous structure; and a heating layer disposed on a surface of the heat dissipation layer away from the porous substrate. In an embodiment, a thickness of the heat dissipation layer is less than a thickness of the heating layer, and/or a porosity of the heat dissipation layer is greater than a porosity of the heating layer, and/or the heat dissipation layer and the heating layer each have a strip-shaped structure, and a line width of the heat dissipation layer is greater than a line width of the heating layer.

Abstract: An atomization element and an electronic cigarette. The atomization element comprises a porous ceramic portion and a porous metal portion contacting the porous ceramic portion; at least some holes of the porous ceramic portion is communicated with holes of the porous metal portion; the porous metal portion has a thickness of not less than 30 ?m. The atomization element can sufficiently atomize an e-liquid, thereby improving the taste of aerosol.

Abstract: An atomization element (100) and an electronic cigarette. The atomization element (100) comprises a porous ceramic portion (101) and a porous metal portion (102) contacting the porous ceramic portion (101); at least some holes of the porous ceramic portion (101) is communicated with holes of the porous metal portion (102); the porous metal portion (102) has a thickness of not less than 30 ?m. The atomization element (100) can sufficiently atomize an e-liquid, thereby improving the taste of aerosol.

Abstract: An atomization core includes: a substrate having an atomization surface and through holes extending to the atomization surface, the substrate guiding an aerosol-forming material to the atomization surface; a heating element arranged on the atomization surface for heating and atomizing the aerosol-forming material to form aerosols; and conductor leads arranged in the through holes and fixed to the substrate to form an integral structure, a first end of each conductor lead of the conductor leads being electrically connected to the heating element, and a second end of each conductor lead of the conductor leads connecting a power supply assembly.

Abstract: A heating assembly includes: a liquid guiding element; and a heating element arranged on a vaporization surface formed by the liquid guiding element, the heating element being energizable to generate heat. The heating element includes a first heating part and a second heating part. A temperature coefficient of resistance of the first heating part is greater than a temperature coefficient of resistance of the second heating part. The first heating part and the second heating part form an electrical connection structure.

Abstract: The invention relates to an electronic cigarette, an atomizer and a heating assembly thereof, wherein the heating assembly is used for the atomizer and includes an adsorption member, and at least one heating element for generating heat when electrified. The adsorption member comprises at least one surface defining at least one fixing groove therein, and the at least one heating element is disposed in the at least one fixing groove. The heating element is disposed in the fixing groove, so that the aerosol-generating substrate on the adsorption member can be more sufficiently coated on the heating element and dispersed to an outer surface of the heating element, preventing dry burning on the surface of the heating element; moreover, the amount of the aerosol-generating substrate heated and atomized by the heating element is increased, and so does the amount of aerosol generated by the heating element.

Abstract: A heating element includes: a porous substrate; and a heating film having a first sub-film and a second sub-film stacked together, the first sub-film being located on a surface of the porous substrate and having a porous structure, the second sub-film being arranged on a side of the first sub-film away from the porous substrate. The second sub-film has a porous structure and a porosity of the second sub-film is less than a porosity of the first sub-film, or the second sub-film has a non-porous structure.

Abstract: A vaporization core applied to an electronic vaporization device includes: a porous substrate having a liquid guide part that has a liquid absorbing surface for absorbing a liquid substrate and a vaporization surface on which a heating element is disposed, the liquid guide part conducting the liquid substrate on a side of the liquid absorbing surface to the vaporization surface; the heating element; and a vent part connected to the liquid guide part, the vent part having a hydrophobic ventilation characteristic, the vent part having an air inlet surface and an air outlet surface, the air inlet surface being for contacting gas, the air outlet surface being exposed to a liquid storage cavity, and the vent part being for conducting gas on a side of the air inlet surface to the air outlet surface.

Abstract: The present disclosure relates to a porous component and an electronic cigarette including the same. The porous component includes a porous substrate, an atomizing portion located on the porous substrate; a liquid guiding portion located on the porous substrate, a porosity of the liquid guiding portion being greater than a porosity of the atomizing portion; and a functional portion located on the porous substrate. A porosity of the functional portion is greater than a porosity of the liquid guiding portion, and a thermal conductivity of the functional portion is greater than a thermal conductivity of the atomizing portion and the liquid guiding portion.

Abstract: A heating assembly is used for an atomizer of an electronic cigarette. The heating assembly includes an adsorption member, and at least one heating element for generating heat after being electrified. The adsorption member comprises at least one surface defining at least one fixing groove therein, and the at least one heating element is disposed in the at least one fixing groove. The heating element is disposed in the fixing groove, so that an aerosol-generating substrate on the adsorption member can be more sufficiently coated on the heating element and dispersed to an outer surface of the heating element.

Abstract: The invention relates to an electronic cigarette, an atomizer and a heating assembly thereof, wherein the heating assembly is used for the atomizer and includes an adsorption member, and at least one heating element for generating heat when electrified. The adsorption member comprises at least one surface defining at least one fixing groove therein, and the at least one heating element is disposed in the at least one fixing groove. The heating element is disposed in the fixing groove, so that the aerosol-generating substrate on the adsorption member can be more sufficiently coated on the heating element and dispersed to an outer surface of the heating element, preventing dry burning on the surface of the heating element; moreover, the amount of the aerosol-generating substrate heated and atomized by the heating element is increased, and so does the amount of aerosol generated by the heating element.

Abstract: An atomizing assembly, comprising a base comprising an atomizing surface for atomizing liquid to form smoke; a heating body for connecting to a power supply to heat the surface, and directly or indirectly disposed on the surface, wherein the projection area of the heating body is less than the area of the surface, so that the atomizing surface is divided into a heating area occupied by the projection of the heating body, and a blank area surrounding the heating area; and a heat conductor at least partially disposed in the blank area of the atomizing surface and connected to the heating body. The heat conductor can transfer a large variety of energies from the heating area into the blank area, so that the temperature of the blank area rises to the same level as the temperature of the heating area, ensuring that the temperatures of all parts on the entire.

Abstract: An atomization element (100) and an electronic cigarette. The atomization element (100) comprises a porous ceramic portion (101) and a porous metal portion (102) contacting the porous ceramic portion (101); at least some holes of the porous ceramic portion (101) is communicated with holes of the porous metal portion (102); the porous metal portion (102) has a thickness of not less than 30 ?m. The atomization element (100) can sufficiently atomize an e-liquid, thereby improving the taste of aerosol.

Abstract: The present disclosure relates to an atomizing core and an electronic atomizing device. The atomizing core includes: a base including an atomizing surface; and a heating element disposed on the base, and capable of atomizing liquid on the atomizing surface. The heating element includes a first surface that is in a thickness direction thereof and attached to the base. The heating element is provided with liquid guiding channels that are kept at a set distance from the first surface.

Abstract: The present disclosure relates to an atomization assembly and an electronic atomization device. The atomization assembly includes a substrate including an atomizing surface configured to atomize an aerosol-forming matrix to form aerosol; and a heating element configured to be connected to a power source to heat the atomizing surface. The heating element is directly or indirectly arranged on the atomizing surface. The heating element includes at least a first heating portion and at least a second heating portion that generate heat differently per unit length and per unit time. Since the heating element includes at least a first heating portion and at least a second heating portion that generate heat differently per unit length and per unit time, the formation of a heat stack region on the atomizing surface can be prevented, so as to ensure that thermal field distribution of the whole atomization assembly is uniform.

Abstract: One or more examples relate to an atomizing core, an atomizer and an electronic atomization device. The atomizing core includes: a substrate, having an atomization surface and being configured to buffer and conduct a liquid; a heating element, comprising a heating portion attached to the substrate, the heating portion being capable of generating heat to atomize the liquid on the atomization surface to form smoke; and a protective layer, provided on the atomization surface and covering the heating portion, and smoke being capable of overflowing from the protective layer.

Abstract: The present disclosure relates to a porous component and an electronic cigarette including the same. The porous component includes a porous substrate, an atomizing portion located on the porous substrate; a liquid guiding portion located on the porous substrate, a porosity of the liquid guiding portion being greater than a porosity of the atomizing portion; and a functional portion located on the porous substrate. A porosity of the functional portion is greater than a porosity of the liquid guiding portion, and a thermal conductivity of the functional portion is greater than a thermal conductivity of the atomizing portion and the liquid guiding portion.