Abstract: A high-temperature resistant peelable anti-corrosion coating, a preparation method therefor and an application thereof are provided. The coating includes component A and component B; the component A includes film-forming substance, pigment and filler, auxiliary agent, and solvent A; the component B includes vulcanizing agent and solvent B; the component A includes the following components in parts by weight: 100 parts of film-forming substance; 25-55 parts of pigment and filler; 0.1-3 parts of adhesion modifier; 0.5-5 parts of auxiliary agent; 20-50 parts of solvent A; the component B includes the following components in parts by weight: 10-50 parts of vulcanizing agent; 100 parts of solvent B. The coating can be completely peeled off from the substrate after being subjected to a high temperature of 200° C. for 4 hours, without affecting the state of the substrate.

Abstract: Lithium difluorophosphate, a preparation method therefor, and an application thereof. Lithium hexafluorophosphate and silicon tetrachloride are utilized to generate lithium difluorotetrachloro phosphate, then lithium difluorotetrachloro phosphate reacts with lithium carbonate to obtain a mixture of lithium difluorophosphate and lithium chloride, and then the mixture is purified to obtain high-purity lithium difluorophosphate. The method has simple steps, low cost, short reaction time, and a high conversion rate.

Abstract: The present disclosure relates to an exemplary atomizer for coupling with a power supply to form an electronic cigarette. The atomizer includes a liquid supply and a connecting component. The liquid supply is configured for storing tobacco liquid. The connecting component is configured for connecting the liquid supply and the power supply. The connecting component includes a liquid conducting element and a heating element in contact with the liquid conducting element. The connecting component has a first end and an opposite second end. The first end is configured for connecting the liquid supply, and the second end is configured for connecting the power supply. The liquid supply is detachably engaged with the connecting component by snap fit.

Abstract: An exemplary electronic cigarette includes an atomizer and a power supply. The atomizer includes one of a first connector and a second connector, and the power supply includes the other of a first connector and a second connector. The first connector includes a cylindrical plug. The plug has a recessed portion in a side surface thereof. The second connector includes a holder, a movable component, and a force exerting component. The holder is configured for receiving the plug. The movable component is movable arranged on a sidewall of the holder. The force exerting component is configured for exerting an elastic force on the movable component. The movable component is configured for ejecting from the sidewall to engage in the recessed portion when the movable component ejecting from the sidewall, and for retracting relative to the sidewall when the plug is inserted into the holder.

Abstract: The present invention provides a packaging shell and a power module having the same. The packaging shell mainly comprises an accommodating recess for receiving a substrate disposed with a plurality of electronic devices/components, so as to make the substrate be further assembled with a heat sink through the support of the packaging shell. Most importantly, in the present invention, the accommodating recess has a stepped surface for contacting with the substrate, and the stepped surface is a curve surface having a flatness difference. By such design, the compressional force generated when assembling the packaging shell, the heat sink and the system circuit board can be uniformly transmitted to substrate via the curve surface structure; such that the compressional force is avoid from being concentrated to a certain point on the substrate, and then the substrate is protected from being ruptured due to the action of the concentrated compressional force.

Abstract: An exemplary atomizing device includes an atomizing sleeve, a liquid chamber in the atomizing sleeve, an atomizing assembly, a first connector arranged at one end of the atomizing sleeve. The liquid chamber is configured for reserving tobacco liquid. The atomizing assembly includes a liquid conducting component and a heating wire wound around the liquid conducting component. The liquid conducting component is configured for absorbing the tobacco liquid from the liquid chamber. The first connector is integrally formed, and includes an insulated body, an inner electrode and an outer electrode fixed in the insulated body. The insulated body, the inner electrode and the outer electrode are coaxially arranged. Two ends of the heating wire are connected to the inner electrode and the outer electrode respectively. In addition, the present disclosure also relates to a battery assembly, and an electronic cigarette using the atomizing device and the battery assembly.

Abstract: An exemplary atomizer of an electronic cigarette includes an atomizing tube and an atomizing assembly arranged in the atomizing tube. The atomizing assembly includes a ceramic tube and a heating element. The heating element is in contact with an inner surface of the ceramic tube. The ceramic tube defines a plurality of liquid absorption hole.

Abstract: The present invention provides a packaging shell and a power module having the same. The packaging shell mainly comprises an accommodating recess for receiving a substrate disposed with a plurality of electronic devices/components, so as to make the substrate be further assembled with a heat sink through the support of the packaging shell. Most importantly, in the present invention, the accommodating recess has a stepped surface for contacting with the substrate, and the stepped surface is a curve surface having a flatness difference. By such design, the compressional force generated when assembling the packaging shell, the heat sink and the system circuit board can be uniformly transmitted to substrate via the curve surface structure; such that the compressional force is avoid from being concentrated to a certain point on the substrate, and then the substrate is protected from being ruptured due to the action of the concentrated compressional force.

Abstract: A package terminal is provided, which comprising: a base; an end portion with a first section; and a bent portion having a C-shape bend with a gradual change section, wherein the bent portion includes a first end and a second end, the first end is connected to the end portion, the second end is connected to the base, the bent portion includes a second section, and an area of the second section is smaller than an area of the first section.

Abstract: An atomizing device includes an atomizing sleeve; a mouthpiece assembly and an atomizing assembly received in the atomizing sleeve. The atomizing assembly includes an oil obstructing ring, a supporting sleeve, a porous body being fixed between the oil obstructing ring and the supporting sleeve, a heating wire wrapping around the porous body, a screw sleeve located at an end of the atomizing sleeve, an insulated ring and an tubular electrode received between the screw sleeve and the insulated ring. An oil valve is formed between the supporting sleeve and the tubular electrode, or between the tubular electrode and the insulated ring; the oil valve is opened or closed by a movement of the tubular electrode, and the oil valve is configured as an air passage in communication with the air pipe when the oil valve is opened. An electronic cigarette using the atomizing device is also provided.

Abstract: A package terminal is provided, which comprising: a base; an end portion with a first section; and a bent portion having a C-shape bend with a gradual change section, wherein the bent portion includes a first end and a second end, the first end is connected to the end portion, the second end is connected to the base, the bent portion includes a second section, and an area of the second section is smaller than an area of the first section.

Abstract: Disclosed are an additive for improving charge/discharge characteristics of a lithium-ion cell, a nonaqueous electrolytic solution containing the additive, and a lithium-ion cell using the additive and/or the nonaqueous electrolytic solution. The additive serves as a solvent for a fluorine resin, such as poly(vinylidene fluoride), which is incorporated as an adhesive in a positive electrode containing a lithium-transition metal oxide capable of absorbing and releasing lithium and a negative electrode containing a carbon material capable of absorbing and releasing lithium. The additive comprises three compounds selected, respectively, from a 2-pyrrolidinone compound group, a cyclic alkyl compound group, and a cyclic pentanone compound group.

Abstract: Disclosed are an additive for improving charge/discharge characteristics of a lithium-ion cell, a nonaqueous electrolytic solution containing the additive, and a lithium-ion cell using the additive and/or the nonaqueous electrolytic solution. The additive serves as a solvent for a fluorine resin, such as poly(vinylidene fluoride), which is incorporated as an adhesive in a positive electrode containing a lithium-transition metal oxide capable of absorbing and releasing lithium and a negative electrode containing a carbon material capable of absorbing and releasing lithium. The additive comprises three compounds selected, respectively, from a 2-pyrrolidinone compound group, a cyclic alkyl compound group, and a cyclic pentanone compound group.

Abstract: Disclosed are an additive for improving charge/discharge characteristics of a lithium-ion cell, a nonaqueous electrolytic solution containing the additive, and a lithium-ion cell using the additive and/or the nonaqueous electrolytic solution. The additive serves as a solvent for a fluorine resin, such as poly(vinylidene fluoride), which is incorporated as an adhesive in a positive electrode containing a lithium-transition metal oxide capable of absorbing and releasing lithium and a negative electrode containing a carbon material capable of absorbing and releasing lithium. The additive comprises three compounds selected, respectively, from a 2-pyrrolidinone compound group, a cyclic alkyl compound group, and a cyclic pentanone compound group.

Abstract: Disclosed are a non-flammable nonaqueous electrolyte solution and a lithium ion cell using the electrolyte solution. The non-flammable nonaqueous electrolyte solution comprises a ternary or higher-order compound additive, a high concentration of lithium salt and a phosphoric ester serving as a primary solvent. The lithium ion cell comprises a positive electrode containing a lithium transition metal oxide capable of absorbing and releasing lithium, a negative electrode containing a carbon-based material capable of absorbing and releasing lithium, and the above non-flammable nonaqueous electrolyte solution.

Abstract: Disclosed are a non-flammable nonaqueous electrolyte solution and a lithium ion cell using the electrolyte solution. The non-flammable nonaqueous electrolyte solution comprises a ternary or higher-order compound additive, a high concentration of lithium salt and a phosphoric ester serving as a primary solvent. The lithium ion cell comprises a positive electrode containing a lithium transition metal oxide capable of absorbing and releasing lithium, a negative electrode containing a carbon-based material capable of absorbing and releasing lithium, and the above non-flammable nonaqueous electrolyte solution.

Abstract: Disclosed are an additive for improving charge/discharge characteristics of a lithium-ion cell, a nonaqueous electrolytic solution containing the additive, and a lithium-ion cell using the additive and/or the nonaqueous electrolytic solution. The additive serves as a solvent for a fluorine resin, such as poly(vinylidene fluoride), which is incorporated as an adhesive in a positive electrode containing a lithium-transition metal oxide capable of absorbing and releasing lithium and a negative electrode containing a carbon material capable of absorbing and releasing lithium. The additive comprises three compounds selected, respectively, from a 2-pyrrolidinone compound group, a cyclic alkyl compound group, and a cyclic pentanone compound group.

Abstract: The present invention is directed to a non-aqueous electrolyte for lithium secondary battery, having both flame retardancy (self-extinguishing property) or nonflammability (having no flash point) and high conductivity and being electrochemically stable, and a lithium secondary battery using the non-aqueous electrolyte. Specifically, the non-aqueous electrolyte of the present invention comprises a non-aqueous solvent which comprises (a) at least one phosphate selected from (a1) a chain state phosphate and (a2) a cyclic phosphate as an essential component, and which may contain (b1) a cyclic carboxylate and (b2) a cyclic carbonate. Further, the non-aqueous electrolyte comprises the above non-aqueous solvent which further comprises (c1) a vinylene carbonate compound and/or (c2) a vinylethylene carbonate compound, and at least one compound selected from the group consisting of (d1) a cyclic amide compound, (d2) a cyclic carbamate compound, and (d3) a heterocyclic compound.