46results about How to "Lower reduction potential" patented technology

The invention provides a lithium-ion battery electrolyte, which is composed of an organic solvent, lithium salt, a novel additive and other conventional additives. The novel additive is a dicyclophosphimide lithium salt or lithium dicyclothiophosphimide lithium salt compound shown in a structural formula 1. The compound shown in structural formula 1 of the invention has a high reduction potentialwhen used as an electrolyte additive, so that the novel additive can participate in the formation of a solid electrolyte film on the surface of a negative electrode in preference to the conventional additives and improve the composition of the interfacial film. Because the additive has a cyclic phosphate structure, the phosphorus-oxygen bond is easy to break under high voltage, and the additive can participate in the formation of a positive electrolyte film and improve the interface stability of the positive electrode material. Therefore, the introduction of the additive can improve the high temperature performance, low temperature performance and cycle performance of lithium-ion batteries.

The invention relates to a nano micelle of a biodegradable macromolecular-bonding Pt(IV) anti-cancer medicament and a preparation method thereof. The structural formula of the anti-cancer medicament is defined in the specification, wherein the biodegradable macromolecule is tri-block copolymer, namely polyethylene glycol-b-polyester-b-polylysine; and tetravalency platinum coordination compound Pt(IV) is connected with a side amino on the block of polylysine on a macromolecular carrier through alpha, omega-polyethylene glycol. The carrier is non-toxic and is water-soluble, thus being convenient for reacting with the platinum(IV) coordination compound in water phase; a nano micelle form can be formed through self assembly; a platinum(IV) coordination compound is reduced to platinum(II), namely, cis-platinum, Carboplatin or Oxaliplatin, and the anti-cancer effect is known; the synthesis of the nano micelle is easy; the reduction potential of platinum(IV) is low, so that the platinum(IV) can be rapidly reduced to platinum(II) in cancer cells to take treatment effect; and the platinum(IV) is connected to the side chain of the macromolecule rather than the end of a chain, a macromolecular chain can be connected with multiple platinum(IV)s, and the content of platinum can be as high as 10-20%.

The invention provides PC (Propylene Carbonate)-based high-voltage electrolyte. The PC-based high-voltage electrolyte comprises a non-aqueous solvent, and a lithium salt and an additive which are dissolved into the non-aqueous solvent; the non-aqueous solvent comprises propylene carbonate (PC) and linear carboxylate; the mass percent content of the propylene carbonate (PC) in the electrolyte is 15%-50%; the additive comprises fluoroethylene carbonate, ethylene sulfate and a dinitrile compound. A solvent system and the additive are optimally combined and used to generate a cooperative effect and are used for a lithium ion battery, so that good cycle life, low-temperature discharging properties and high-temperature storage properties of the battery can still be kept under high voltage.

The invention belongs to the technical fields of preparation and application of metal optical function nano materials and in particular relates to a fluorescent silver nanocluster as well as a simple preparation method and application thereof. The fluorescent silver nanocluster is synthesized by reacting soluble silver salt with a stabilizer, wherein the fluorescent silver nanocluster has the mean particle size of more than 1.5nm and less than 2nm; the fluorescence emitted by the fluorescent silver nanocluster has the wavelength of 610nm under excitation of light with the wavelength of 510nm; the emitted fluorescence has high illumination stability. The method is readily available in raw materials, simple in process, convenient to operate, low in biotoxicity and easy to popularize and apply. The synthesized fluorescent silver nanocluster can be applied to the fields of optical imaging, biological markers, biological or chemical sensors and the like, and especially can be used for qualitative and quantitative detection on the activity of alpha-L-fucosidase.

A method and device for producing a minus-ion air similar to a heated compressed hot air stream, electromagnetic waves in the far-infrared and submilimeter region (hereinafter referred to as ''terahertz wave'') by regulating the discharge pressure and the discharge temperature. The device is excellent in versatility, small in size, and low in cost. An object processed by using the method and device, a processing method, and a processing apparatus are also provided. Air is sent from a blower or an air compressor (2) through an air pipe (8) to a heated compressed air regulator (vessel (3)). The air sealed in the heated compressed airregulator (1) regulated under a predetermined discharge pressure (for example, 30 kPa to 150 kPa) and at a temperature (40 DEG C to 250 DEG C) is passed through a through hole (4A) of a circular plate (4) to produce a heated compressed air. In the produced hot air stream, a resonance electromagnetic wave resonating with the natural frequency of the water molecule is generated by a terahertz wave and a generated thermal shock wave, thereby the hydrogen bond of the water molecules in the air is cut, and electrons are released from hydrogen atoms, thus also producing a minus-ion air stream. A processed object, a processing method, and a processing apparatus are so constituted that the produced hot air stream is used for drying, production of a functional water by exposing water to the hot air stream, production of an aqueous fuel, beauty/health appliances, air/water quality improvement devices, combustion efficiency enhancement devices for internal combustion engines, and so forth.

The invention relates to a gasoline additive which comprises the following components in parts by weight: 6-10 parts of iso-octane, 5-8 parts of ethylene glycol tert-butyl ether, 3-4 parts of diaminoanisole, 7-12 parts of paracyclophane, 20-30 parts of toluene, 10-12 parts of isooctanol, 2-4 parts of tetraethylenepentamine, 1-2 parts of polyisobutylene succinimide, 1-3 parts of eicosanoic acid, 2-4 parts of dimethyl carbonate and 2-5 parts of an additive. The invention also relates to a preparation method of the gasoline additive. According to the invention, Ce particles are generated during the combustion process of the gasoline additive, rare earth oxides can effectively improve and prolong the efficiency of the catalyst and improve the thermal stability of the catalyst at high temperatures, and cerium composite oxides at high temperatures can maintain the crystal grain structure to be unchanged, so that the oxygen storage and release processes of Ce are easy to realize; the Ce particles can effectively reduce the reaction activation energy during the combustion process, so that the gasoline can realize complete combustion at relatively low temperatures, and the emission of pollutants in the tail gas is reduced.

The invention discloses a reduction cleaning agent for terylene. The reduction cleaning agent for the terylene is characterized by comprising deionized water, an unsaturated reduction system, a surfactant system and a pH value buffering system, in parts by mass: 84 to 35 parts of the deionized water, 10 to 50 parts of the unsaturated reduction system, 5 to 10 parts of the surfactant system and 1 to 5 parts of the pH value buffering system. The reduction cleaning agent for the terylene is stable in state, avoids heating and spontaneous combustion conditions, does not have pungent smell, is convenient to transport and store, and has an excellent cleaning effect.

Provided is a method of producing a nitrided Li-Ti compound oxide, including: preparing a raw material composite that has a raw material containing lithium, titanium, and oxygen and a nitriding agent that is expressed by a following General Formula (1) and is solid or liquid at room temperature (25 DEG C.); and synthesizing the nitrided Li-Ti compound oxide by firing the raw material composite to nitride the raw material. R1, R2, and R3 are independent of each other and are each a functional group having at least one of carbon (C), hydrogen (H), oxygen (O), and nitrogen (N).

The invention relates to the technical field of biology, in particular to a nano-selenium-organic selenium nutrient solution and a preparation method and application thereof. The preparation method of the nano-selenium-organic selenium nutrient solution comprises the following steps that Providenciaretgeri is inoculated into a culture solution containing inorganic selenium for being fermented for 16 to 150 hours, so that the nano-selenium-organic selenium nutrient solution is obtained; and the preservation number of the providenciaretgeri is CCTCC M 2020956. The providenciaretgeri is facultative anaerobic bacteria, during large-scale fermentation culture, the requirement of strict aerobic bacteria on dissolved oxygen of the culture solution is avoided, and the requirement on fermentation equipment is relatively low; and meanwhile, the fermentation control difficulty is further reduced, and the fermentation process is easier to amplify.

The invention relates to a blue light semi-conductor material containing diindazolepyrene and a preparation method as well as an organic light emitting apparatus made from the material, which solves the technical problem that the spectrum of the existing apparatus which is made from the pyrene blue light material is unstable for a long time or under the condition of high voltages. The blue light semi-conductor material containing diindazolepyrene provided by the invention is a diindazolepyrene derivative with an R substituent generated by virtue of a reaction of diindazolepyrene and a bromide containing the R group. The prepared blue light semi-conductor material containing diindazolepyrene is high in light emitting efficiency which means that the compound can be used as a light emitting material or a light emitting main body material, especially a phosphorescent blue main body material. The blue light semi-conductor material containing diindazolepyrene for an organic electroluminescence device shows high efficiency, high brightness and long service life and has the advantage of relatively low manufacturing cost, and the manufacturing cost of the organic electroluminescence device is lowered.

The invention discloses a preparation method of an AuCu bimetallic electrocatalyst with a pentagram structure. The preparation method comprises the following steps: dissolving a surfactant and glucosein distilled water, stirring overnight, adding copper chloride and a tetrachloroauric acid hydrate, uniformly mixing, reacting in an oil bath at 100-150 DEG C for 30 minutes to obtain a black red, uniform and stable solution, and washing with absolute ethyl alcohol for multiple times to obtain the AuCu alloy catalyst with the pentagram structure. The synthesized bimetallic electrocatalyst with the pentagram structure is simple in synthesis method, mild in reaction condition, high in reaction efficiency and low in energy consumption. Compared with single metal, the cost can be reduced, the reduction potential is reduced, and the selectivity is improved, thereby improving the electrocatalytic performance of the catalyst.

The invention discloses a rare earth grid alloy for lead-acid storage batteries. The rare earth grid alloy for lead-acid storage batteries comprises the following raw materials in percentage by weight: 0.05-0.15% of Ca, 0.8-2.0% of Sn, 0.01-0.05% of Al, 0.01-0.02% of Ag, 0.05-0.15% of rare earth element and the balance of Pb, wherein the rare earth element may be one or more of Nd, Y and Sm. The rare earth element added to the grid alloy improves the corrosion resistance of the alloy, prolongs the cycle lives of the storage batteries, strengthens the charge receptivity of the batteries, and obviously improves the early capacity loss phenomenon of the batteries.

The invention relates to the technical field of lithium ion batteries, and discloses an electrolyte and a lithium ion battery containing the electrolyte. The electrolyte contains an ether solvent, an additive A and an additive B; the additive A is a compound containing an S = O bond, and the additive B is a compound with a structural formula as shown in a formula (1) or a formula (2), wherein R is H, alkyl or halogenated alkyl; R1, R2 and R3 are the same or different and are H, alkyl, halogenated alkyl, nitryl or formyl respectively, and R1, R2 and R3 are not H at the same time; and the cycle performance of the lithium ion battery containing the electrolyte is good.