Abstract: A modification layer on a surface of a ceramic substrate, includes, in parts by mass: 56 to 67.5 parts of silicon dioxide; 12 to 18 parts of aluminum oxide; and 2.8 to 5.5 parts of lithium oxide. In an embodiment, the modification layer further includes, in parts by mass: at least one of 1.8 to 2.8 parts of phosphorus pentoxide; 0.5 to 2.0 parts of calcium oxide; 0.15 to 1.5 parts of magnesium oxide; and 2.5 to 5.25 parts of barium oxide.

Abstract: In a porous ceramic body, a pore size distribution of the porous ceramic body conforms to: d50 is about 5 ?m to about 50 ?m, and ? is about 0.17 to about 0.55. ?=(d50?d10)/d50. In an embodiment, wherein the porous ceramic body includes at least one of quartz and cordierite.

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: A heating body includes: a first heat-conducting substrate, a second heat-conducting substrate, and a heating element. A side of the first heat-conducting substrate defines a recess. The second heat-conducting substrate and the first heat-conducting substrate cooperatively forms a substrate having a receiving space. The heating element is received in the receiving space and comprising an electrically conductive body and an insulating layer wrapping an outer surface of the electrically conductive body, such that the heating element is insulated from the substrate. The heating body has a simple structure and can be easily assembled. Heat generated by the heating body may be distributed more uniformly.

Abstract: The present disclosure relates to a ventilation valve configured to be mounted to a liquid reservoir of an electronic atomizing device. The ventilation valve includes: a valve sleeve connected to the liquid reservoir and provided with a through hole, the through hole in communication with a storage cavity of the liquid reservoir; and a valve element having air permeability and including an oleophobic material layer adjacent to the storage cavity, and a semi-permeable membrane connected to an end of the oleophobic material layer away from the storage cavity, the oleophobic material layer filling at least a part of the through hole.

Abstract: A vaporization core includes: a liquid absorbing assembly having a bottom wall and a side wall connected to a side of the bottom wall, the bottom wall including a vaporization surface facing away from the side wall; and a heating assembly fixedly disposed on the liquid absorbing assembly and including a heat generating element and an electrode portion connected to the heat generating element, the heat generating element having a heat generating portion and a first embedding portion. The heat generating portion and the electrode portion are disposed in the bottom wall and exposed to the vaporization surface, and the first embedding portion is embedded in the bottom wall and corresponds to the side wall.

Abstract: A vaporization core includes: a liquid absorbing element having a vaporization surface and a liquid absorbing surface that are oppositely arranged, the liquid absorbing element being arranged for a vaporizable liquid to enter from a side of the liquid absorbing surface and permeate toward a side of the vaporization surface; and a heating module having a heating element for heating the vaporizable liquid and connectors connected to two ends of the heating element, the heating element including a first heating portion and a second heating portion connected in series to the first heating portion. The first heating portion is arranged on a side of the vaporization surface. The second heating portion is embedded in the liquid absorbing element, extends toward a side of the liquid absorbing surface, and is located between the vaporization surface and the liquid absorbing surface.

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: An aerosol-generation article includes: an aerosol-generation substrate including a solid substrate. The aerosol-generation article generates heat under action of an alternating electric field to form aerosols through vaporization. In an embodiment, the aerosol-generation substrate includes polar molecules. In an embodiment, the polar molecules are at least one of water, alcohols, aldehydes, ketones, lipids, phenols, terpenoids, or low-grade fatty acids.

Abstract: An aerosol-generation article includes: an aerosol-generation substrate; and a temperature sensor including a dielectric material whose dielectric constant changes with a temperature. A Curie temperature of the dielectric material falls with a temperature range required by the aerosol-generation substrate for forming aerosols. In an embodiment, the Curie temperature of the dielectric material ranges from 200° C. to 450° C.

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 modification layer on a surface of a ceramic substrate, includes, in parts by mass: 56 to 67.5 parts of silicon dioxide; 12 to 18 parts of aluminum oxide; and 2.8 to 5.5 parts of lithium oxide. In an embodiment, the modification layer further includes, in parts by mass: at least one of 1.8 to 2.8 parts of phosphorus pentoxide; 0.5 to 2.0 parts of calcium oxide; 0.15 to 1.5 parts of magnesium oxide; and 2.5 to 5.25 parts of barium oxide.

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: A heating body includes: a first heat-conducting substrate, a second heat-conducting substrate, and a heating element. A side of the first heat-conducting substrate defines a recess. The second heat-conducting substrate and the first heat-conducting substrate cooperatively forms a substrate having a receiving space. The heating element is received in the receiving space and comprising an electrically conductive body and an insulating layer wrapping an outer surface of the electrically conductive body, such that the heating element is insulated from the substrate. The heating body has a simple structure and can be easily assembled. Heat generated by the heating body may be distributed more uniformly.

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: The present disclosure relates to a ventilation valve configured to be mounted to a liquid reservoir of an electronic atomizing device. The ventilation valve includes: a valve sleeve connected to the liquid reservoir and provided with a through hole, the through hole in communication with a storage cavity of the liquid reservoir; and a valve element having air permeability and including an oleophobic material layer adjacent to the storage cavity, and a semi-permeable membrane connected to an end of the oleophobic material layer away from the storage cavity, the oleophobic material layer filling at least a part of the through hole.