Abstract: The present disclosure provides an electronic cigarette atomizer, including an atomization assembly and a liquid reservoir engaging with the atomization assembly. The liquid reservoir includes a liquid storage cavity. The atomization assembly includes a first holder, a second holder, and a heating assembly located between the first holder and the second holder. The heating assembly includes a porous body and at least one heater engaging with the porous body, and the porous body has an atomizing surface and a liquid-absorbing surface. The liquid-absorbing surface and the atomizing surface are respectively located on two opposite sides of the porous body, the liquid-absorbing surface is in fluid communication with the liquid storage cavity, and an atomization cavity is formed between the atomizing surface and the second holder.

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 lipid delivery system, a virus-like structure (VLS) vaccine constructed therefrom, and a lipid particle capable of encapsulating an mRNA molecule encoding a SARS-CoV-2-specific antigen are provided. After the lipid particle encapsulates an mRNA molecule encoding a SARS-CoV-2 antigen, a SARS-CoV-2 S1 antigen protein can be embedded on a surface of an envelope structure of the lipid under specific buffer conditions to produce a VLS vaccine with an antigen-encoding mRNA molecule encapsulated inside and an outer membrane presenting a required viral antigen protein. The vaccine has a superior specific antibody-inducing ability to a SARS-CoV-2 mRNA vaccine and a polypeptide vaccine, can maintain a long-lasting high antibody level, and can also exhibit excellent immune binding abilities for the emerging different variants.

Abstract: An electronic cigarette and a heating assembly and a heating member thereof. The heating assembly comprises a capillary structure for absorbing an e-liquid and at least one heating member for heating and atomizing the e-liquid absorbed by the capillary structure. The heating member comprises an elongated heating portion. The elongated heating portion comprises at least one straight portion and at least one curved portion which are connected sequentially. A resistance at the at least one curved portion is less than a resistance at the at least one straight portion.

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: The disclosure relates to a heat-generating electronic paste composition, a heat-generating electronic paste and a method for preparing the same, a heat-generating body of an electronic cigarette, and an electronic cigarette. The heat-generating electronic paste composition includes a water-based carrier and a functional phase. The water-based carrier includes a water-soluble binder and water, and the functional phase includes an electrically conductive material.

Abstract: The present disclosure provides an electronic cigarette atomizer, including an atomization assembly and a liquid reservoir engaging with the atomization assembly; the liquid reservoir includes a liquid storage cavity; wherein the atomization assembly includes a lower holder, an upper holder installed on the lower holder, and a heating assembly clamped between the lower and the upper holders; the heating assembly includes a porous body and at least one heater engaging with the porous body, and the porous body has an atomizing surface and a liquid-absorbing surface; and the liquid-absorbing surface communicates with the liquid storage cavity, and an atomization cavity is formed between the atomizing surface and the lower holder. In the present disclosure, the heating assembly is a porous body and is clamped by the upper holder and the lower holder, thus, the structure is stable and the assembly of the heating assembly is facilitated.

Abstract: The present disclosure provides an electronic cigarette atomizer, including an atomization assembly and a liquid reservoir engaging with the atomization assembly; the liquid reservoir includes a liquid storage cavity; wherein the atomization assembly includes a lower holder, an upper holder installed on the lower holder, and a heating assembly clamped between the lower and the upper holders; the heating assembly includes a porous body and at least one heater engaging with the porous body, and the porous body has an atomizing surface and a liquid-absorbing surface; and the liquid-absorbing surface communicates with the liquid storage cavity, and an atomization cavity is formed between the atomizing surface and the lower holder. In the present disclosure, the heating assembly is a porous body and is clamped by the upper holder and the lower holder, thus, the structure is stable and the assembly of the heating assembly is facilitated.

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: 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 electronic cigarette, an atomizing assembly, and a method of manufacturing an atomizing assembly. The atomizing assembly includes a liquid absorbing unit and a heating unit. The liquid absorbing unit is configured to absorb and store liquid and the liquid absorbing unit forms an atomizing channel therein and includes an atomizing surface on which the liquid is atomized and volatilized. The atomizing surface defines a boundary of the atomizing channel through which the smoke flows. The heating unit is configured to atomize the liquid and includes a buried portion and an embedded portion connected to each other. The embedded portion is embedded in the liquid absorbing unit and is internally tangent to the corresponding atomizing surface. The buried portion is wrapped in the liquid absorbing unit, wherein a predetermined distance is designed between the buried portion and the corresponding atomizing surface in a radial direction of the atomizing channel.

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 provides an electronic cigarette atomizer, including an atomization assembly and a liquid reservoir engaging with the atomization assembly; the liquid reservoir includes a liquid storage cavity; wherein the atomization assembly includes a lower holder, an upper holder installed on the lower holder, and a heating assembly clamped between the lower and the upper holders; the heating assembly includes a porous body and at least one heater engaging with the porous body, and the porous body has an atomizing surface and a liquid-absorbing surface; and the liquid-absorbing surface communicates with the liquid storage cavity, and an atomization cavity is formed between the atomizing surface and the lower holder. In the present disclosure, the heating assembly is a porous body and is clamped by the upper holder and the lower holder, thus, the structure is stable and the assembly of the heating assembly is facilitated.

Abstract: The present disclosure provides an electronic cigarette atomizer, including an atomization assembly and a liquid reservoir engaging with the atomization assembly; the liquid reservoir includes a liquid storage cavity; wherein the atomization assembly includes a lower holder, an upper holder installed on the lower holder, and a heating assembly clamped between the lower and the upper holders; the heating assembly includes a porous body and at least one heater engaging with the porous body, and the porous body has an atomizing surface and a liquid-absorbing surface; and the liquid-absorbing surface communicates with the liquid storage cavity, and an atomization cavity is formed between the atomizing surface and the lower holder. In the present disclosure, the heating assembly is a porous body and is clamped by the upper holder and the lower holder, thus, the structure is stable and the assembly of the heating assembly is facilitated.

Abstract: The present disclosure provides an electronic cigarette atomizer, including an atomization assembly and a liquid reservoir engaging with the atomization assembly; the liquid reservoir includes a liquid storage cavity; wherein the atomization assembly includes a lower holder, an upper holder installed on the lower holder, and a heating assembly clamped between the lower and the upper holders; the heating assembly includes a porous body and at least one heater engaging with the porous body, and the porous body has an atomizing surface and a liquid-absorbing surface; and the liquid-absorbing surface communicates with the liquid storage cavity, and an atomization cavity is formed between the atomizing surface and the lower holder. In the present disclosure, the heating assembly is a porous body and is clamped by the upper holder and the lower holder, thus, the structure is stable and the assembly of the heating assembly is facilitated.

Abstract: The present disclosure provides an electronic cigarette atomizer, including an atomization assembly and a liquid reservoir engaging with the atomization assembly; the liquid reservoir includes a liquid storage cavity; wherein the atomization assembly includes a lower holder, an upper holder installed on the lower holder, and a heating assembly clamped between the lower and the upper holders; the heating assembly includes a porous body and at least one heater engaging with the porous body, and the porous body has an atomizing surface and a liquid-absorbing surface; and the liquid-absorbing surface communicates with the liquid storage cavity, and an atomization cavity is formed between the atomizing surface and the lower holder. In the present disclosure, the heating assembly is a porous body and is clamped by the upper holder and the lower holder, thus, the structure is stable and the assembly of the heating assembly is facilitated.

Abstract: The present disclosure provides an electronic cigarette atomizer, including an atomization assembly and a liquid reservoir engaging with the atomization assembly; the liquid reservoir includes a liquid storage cavity; wherein the atomization assembly includes a lower holder, an upper holder installed on the lower holder, and a heating assembly clamped between the lower and the upper holders; the heating assembly includes a porous body and at least one heater engaging with the porous body, and the porous body has an atomized side and a liquid absorption side; and the liquid absorption side communicates with the liquid storage cavity, and an atomization cavity is formed between the atomized side and the lower holder. In the present disclosure, the heating assembly is a porous body and is clamped by the upper holder and the lower holder, thus, the structure is stable and the assembly of the heating assembly is facilitated.

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: An electronic cigarette and a heating assembly and a heating member thereof. The heating assembly comprises a capillary structure for absorbing an e-liquid and at least one heating member for heating and atomizing the e-liquid absorbed by the capillary structure. The heating member comprises an elongated heating portion. The elongated heating portion comprises at least one straight portion and at least one curved portion which are connected sequentially. A resistance at the at least one curved portion is less than a resistance at the at least one straight portion.