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 discloses a positive grid alloy of a lead-acid battery and a manufacturing method of the alloy. The alloy includes lead, calcium, tin, aluminum and silver. The positive grid alloy containing silver of the lead-acid battery is helpful to the reduction of reduction potentials of Pb and PbSO4, thereby enabling Pb2+ to be easily reduced into metal Pb. The silver has an inhibiting effect on the formation of PbO when a constant potential is polarized, the intensity and the creeping strength of the positive grid alloy are improved, and an over-aging effect of the positive grid alloy in a use process is slowed down; and the addition of the sliver can inhibit the increase of a corrosive layer of the positive grid alloy, thereby facilitating the deep discharge cycle of the lead-acid battery, and preventing capacity fading phenomena in the early stage. Meanwhile, through the addition of the sliver, hydrogen evolution overpotentials are enhanced, the separation of hydrogen on a cathode of the alloy is inhibited, the problem of serious water loss of the battery is reduced, and the cycle life of the battery is prolonged. Moreover, the manufacturing process of the alloy is simple.

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.

The invention provides a biodegradable high-polymer bonded photoactive Pt (IV) anticancer medicament micelle and a preparation method thereof, which relate to the field of novel chemical synthesis medicaments and preparations thereof and are used for solving the problem that a high-polymer-platinum (IV) bonded medicament does not have optical activity in the prior art. In an anticancer medicament, ethylene glycol-b-polyester-b-polylysine serving as a biodegradable triblock copolymer or polyethylene glycol-b-poly(ester-co-carbonic ester) serving as a diblock copolymer is taken as a carrier polymer, and Pt (IV) is a photoactive tetravalent platinum composition coordinated with dihydroxyl in the axial direction. The invention further provides a preparation method of the biodegradable high-polymer bonded photoactive Pt (IV) anticancer medicament micelle. The anticancer medicament prepared with the method has remarkable optical activity; under the irradiation of UV (Ultraviolet) of 365 nanometers, Pt (IV) is reduced into Pt (II); a cis-platinum or oxaliplatin antitumor active part is contained; and the mass content of platinum can be up to 10-20 percent.

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 present invention discloses a novel efficient resource utilization method of electroplating sludge and carbon dioxide co-processing. The novel method uses electroplating sludge as a raw material to prepare biochar, which is used as a cathode catalyst for a bioelectrochemical system, to achieve efficient resource utilization of electroplating sludge, and conducts co-processing of carbon dioxide to obtain the an organic product with high added value. The present invention uses electroplating sludge rich in heavy metals as the raw material for preparing biochar, which is used as the cathode catalyst for the bioelectrochemical system; the method has simple process, low cost, mild reaction conditions; and the prepared biochar has stable performance, strong ability to catalytic reduction of carbon dioxide, and can be used to catalytic reduction of carbon dioxide to achieve co-efficient resource utilization of the electroplating sludge and carbon dioxide.

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 a preparation method of an electrocatalyst of a proton exchange membrane fuel cell, a core-shell-like structural PtxAuyMz nano seed colloid solution is prepared, PtxAuyMz is supported on the carbon carrier surface, and the catalyst is obtained by centrifugal filtration, washing and drying, distribution of x, y and z of PtxAuyMz nanoparticles is that: x:y:z =1:0.001-0.01:5-30, and the Pt loading amount is 10-40%; the catalyst surface atomic rearrangement is performed by the final heat treatment process; compared with the prior art, the catalyst nanoparticles prepared by the method are well dispersed, and have obvious Pt and Au enrichment characteristics, Pt surface enrichment helps to improve utilization ratio of Pt atoms so as to improve the precious metal mass ratio activity of the catalyst, and Au surface enrichment is conducive to the realization of surface modification and improvement of the electrochemical stability of the nanoparticles.

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 present invention relates to a lead-acid battery positive-grid low antimony alloy. The alloy comprises, by weight, 0.07-1.5% of manganese, 0.005-0.008% of silver, 0.05-0.12% of tin, 1.2-2.5% of antimony, 0.07-0.15% of rare earth element(s), and the balance lead. The rare earth element(s) is one kind or several kinds of ytterbium, samarium and lanthanum. According to the alloy, by adding the manganese, the silver and the rare earth element(s) into the low antimony alloy, the problems of low hydrogen evolution over-potential and easiness for losing water of the low antimony alloy are solved,the electrical conductivity, the strength, the hardness and the creep resistance of the alloy are improved, the capability of deep discharging cycle of a battery is improved, and the life of the battery is greatly improved.

The invention provides a non-aqueous electrolyte for a lithium ion battery and the lithium ion battery using the non-aqueous electrolyte. The non-aqueous electrolyte adopted by the invention comprises(a) a lithium salt, (b) a non-aqueous organic solvent and (c) at least one compound as shown in a formula 1, and further comprises at least one of the following components (d) and (e): (d) at least one compound as shown in a formula 2 and (e) an anhydride compound, through the synergistic effect of the components, the battery has better low-temperature charging and discharging performance while improving the high-temperature storage performance and the cycle performance.

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 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.

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 discloses a youth-keeping essence capable of maintaining moisture preservation, enhancing moistness and gloss and fading wrinkles and a preparing method thereof, and belongs to the fieldof cosmetics. The youth-keeping essence integrates multiple components with an anti-oxidation effect, the components play a synergistic enhancement effect, and the functions of wrinkle preventing andageing preventing of the youth-keeping essence are improved; the facial skin can be plump and rich in elasticity, the water content of the skin is increased, and the water locking capability of the skin is improved; impaired cells can also be repaired, the immunity of the skin is improved, and the essence has significant functions of repairing and protecting sensitive skin.

The invention belongs to the technical field of photoelectric display devices, and particularly relates to a thiazole-based organic electroluminescent material and a preparation method thereof. The thiazole-based organic electroluminescent material provided by the invention has a structure as shown in a formula (I). The invention also provides a preparation method of the thiazole-based organic electroluminescent material. The method comprises the step of subjecting a compound as shown in the formula (II), 3,10-dibromo-14-(3-(5-phenyl-1,3,10-oxadiazol-2-yl)phenyl)-14H-bis(S,S-dioxo-dibenzothiophene)pyrrole and 2-(3-(3,10-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-14H-bis(S,S-dioxo-dibenzothiophene)pyrrole-1, 5-phenyl-1,3,4-oxadiazole to a Suzuki coupling reaction so as to obtain a polymer as shown in a formula (I). The thiazole-based organic electroluminescent material and the preparation method thereof solve the technical problem that existing organic electroluminescent materialsare difficult to guarantee both hole and electron transport efficiency and are thus poor in electroluminescent efficiency.

The invention discloses a preparation method of a heat radiating film of a mobile phone rear cover, comprising following steps: step 1, using a chemical nickel-plating method to plate a layer of metal nickel layer at the part of the mobile phone rear cover needing to be adhered with the heat radiating film; step 2, depositing a layer of graphene oxide layer on the metal nickel layer prepared in the step 1, and using an electrochemical method to reducing the graphene oxide layer into a graphene layer. In adoption of the method of the invention, the heat radiating film and the mobile phone rear cover are tightly adhered; the film preparing efficiency is high; the speed is fast; the heat radiating effect of the heat radiating film is good; the heat radiating film is applicable to mobile phone rear covers of various shapes and is applicable to batched production.

The invention discloses an alcohol-based fuel and a preparation method therefor and belongs to the technical field of fuels. According to the method, a catalysis activator with homogeneous-dispersed nanoparticles is formed through dissolving AEO-3 in n-octane, then, adding methanol and formamide to form a microemulsion and then adding cerous nitrate nanoparticles, and thus, pollutants discharged from combustion are reduced; an antiknock additive is synthesized by a Mannich reaction through providing phenyl by o-methylphenol and providing hydroxyl, amino, formaldehyde base and the like by diethylenetriamine, and thus, the stability and safety of combustion of the alcohol-based fuel are improved; and the intersolubility among all ingredients of the alcohol-based fuel is promoted through adding petroleum ether, so that the activator can plays a full role during the combustion of the fuel, the activation energy of C-H bonds of fuel molecules are lowered, and the quantity of activated molecules is greatly increased. According to the alcohol-based fuel and the preparation method therefor, the problems of the current alcohol-based fuels that the combustion is insufficient and a large number of hazardous and noxious substances are generated after combustion are solved.

The present invention relates to a microbial fuel cell using an electron acceptor having a high reduction potential and a method for producing electric energy using the same, and more particularly, to a microbial fuel cell in which the electron acceptor has a high reduction potential, and a method for producing electric energy using the same, and a method for producing electric energy using the same, in the present invention, an electron acceptor solution having a high reduction potential is used as a reduction electrolyte, an organic substance solution as an electron donor is used as an oxidation electrolyte, the reduced reduction electrolyte is regenerated by electrolysis in an electrolytic cell and is resupplied as the reduction electrolyte, and a separator provided with one or more O-rings to prevent leakage is included. According to the present invention, hydrogen generated in electrolysis can be supplied to a fuel cell to produce additional electric energy, so that high electric power can be produced at an effective cost, and energy generated from an existing power generation system or electric power generated from a microbial fuel cell, such as solar electric energy, can be used for electrolysis, so that energy utilization can be significantly improved, and energy consumption can be reduced. And the service life of the fuel cell can be prolonged.

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.

The invention discloses a class of thienyl chalcogen-containing viologens and biquinoline derivatives and applications thereof, belonging to the field of electrochromic devices and energy-saving displays. The thienyl chalcogen-containing viologen and its biquinoline derivatives have more stable free radical state; narrower band gap width, stronger visible light absorption; lower reduction potential and very low LUMO energy level. In addition, such compounds also have stable free radical states with different colors, making them more effective in static / dynamic electrochromic displays. The successfully synthesized thienyl chalcogen-containing viologen or thienyl chalcogen-containing biquinoline derivatives successfully synthesized in the present invention are widely used in photochromic devices and electrochromic devices, such as visible photochromic devices, mobile phone remote control electronics, etc. Electrochromic devices and mobile phone remote control flexible electrochromic devices, electronic tablet, electronic digital display / price tag, multi-color pixel electrochromic display and double-encrypted electrochromic display, etc.

The invention discloses a solid-state lithium battery composite negative electrode, which comprises a negative electrode current collector, a negative electrode elastic-plastic body and a negative electrode lithium metal which are sequentially stacked and connected, wherein the negative electrode elastic-plastic body takes a three-dimensional space structure coated with an organic polymer as a container, the interior of the container is provided with an island-bridge three-dimensional interlaced porous structure which takes an active material lithium titanate and the like as an island and takes an electric conduction and heat conduction material carbon black and the like as a bridge, the negative electrode elastic-plastic body is tightly bonded with the current collector and the lithium metal, and the lithium metal is embedded into the dried negative electrode elastic-plastic body through hot pressing to form a composite negative electrode with a layered structure. The invention also discloses a solid-state battery adopting the composite negative electrode, and a preparation method of the solid-state battery, wherein a three-dimensional porous disordered island-bridge frame structure of a negative electrode material is constructed through a negative electrode elastic-plastic body, so that the mechanical strength of the negative electrode material is improved, the volume changeof the negative electrode material during charging and discharging is absorbed and buffered, the growth of lithium dendrites is inhibited, the overall performance of the solid-state battery is improved, and the manufacturing cost is reduced.