471 results about "Oxidation stability" patented technology

The preparation method comprises the following steps: mixing walnut oil and idesia oil according to a mass ratio of (85-90): (10-15), stirring and heating to 68-72 DEG C under the condition of a rotating speed of 55-70 rpm, adding a gel compounded by edible wax and polyglycerol fatty acid ester according to a mass ratio of (4-6): 1, continuing to stir until complete dissolution, adding an emulsifying agent, and uniformly stirring to obtain the beta '-crystal-form woody oil-based oleogel, so as to obtain the beta'-crystal-form woody oil-based oleogel, namely the beta '-crystal-form woody oil-based oleogel. The preparation method comprises the following steps: preparing a liquid grease gel solution, directly putting the liquid grease gel solution under the condition of-10 to-40 DEG C for quick freezing, then stirring for 3-6 minutes under the condition of the rotating speed of 150-250 rpm, and standing for 5-6 days under the environment of 20-25 DEG C to prepare the woody oil-based grease gel. The grease gel prepared by the method disclosed by the invention contains a stable beta'crystal form, is high in oil holding rate and proper in hardness, has relatively good oxidation stability, and can be applied to baking instead of animal butter or hydrogenated vegetable oil.

The invention belongs to the technical field of new energy materials, and particularly relates to siloxane crosslinking modified polyether solid electrolyte and a preparation method thereof. According to the solid electrolyte, the electrophilic ring-opening polymerization reaction of a polymer monomer with an epoxy group is utilized, siloxane is used as a cross-linking agent, polyether chain structures are connected together to form a cross-linked network structure, the ionic conductivity can be increased, and the mechanical strength and the high-temperature dimensional stability can be improved; the lithium ion transference number is increased, the polarization is reduced, and the battery rate capability is improved; the oxidation stability of the electrolyte is improved; the decomposition reaction of polyether at high temperature is inhibited; the thermal stability and the flame retardant property of the polymer electrolyte are remarkably improved, so that the safety of a solid-state battery is improved.

The invention discloses a two-phase absorbent and application thereof. The two-phase absorbent comprises the following components in percentage by mass: 10-35% of a main absorbent, 20-50% of a phase-splitting agent, 0-15% of an accelerant and 0-70% of water, wherein the total mass of the two-phase absorbent is 100%; wherein the main absorbent is polyamine, the polyamine contains more than three amino groups, more than three carbon atoms are arranged between the adjacent amino groups, and at least one of the more than three amino groups is a tertiary amino group; the phase splitting agent is an alcohol ether compound. The two-phase absorbent provided by the invention has better absorption performance, can reduce the generation of oxidative degradation, and has higher oxidation stability.

The invention discloses a preparation method of a V-shaped porous starch-grease inclusion compound. According to the method, V-type porous starch is used as a raw material and is blended with grease to prepare the starch-grease inclusion compound. The method specifically comprises the following steps: dispersing grease in a 60% ethanol aqueous solution, adding V-shaped porous starch, magnetically stirring for 2 hours at 25-30 DEG C, centrifuging the solution, washing the obtained precipitate twice by absolute ethyl alcohol, freeze-drying the washed precipitate, grinding, and sieving by a 100-mesh sieve, thereby obtaining the V-shaped starch-grease inclusion compound. According to the method, 60% ethanol is adopted as a solvent, efficient embedding of the grease is achieved under the normal temperature condition, and the adverse effect of a traditional heat treatment method on the oxidation stability of the grease is avoided. According to the method, on the basis of a spiral cavity structure and a honeycomb-shaped pore structure of V-shaped porous starch, grease is efficiently embedded in an inner cavity of the starch by utilizing a blending adsorption method, the content of free grease on the surface is reduced through the synergistic effect of physical adsorption and intermolecular acting force, and the stability of grease embedding is improved.

The invention relates to the technical field of battery electrolytes, in particular to a flame-retardant solid polymer electrolyte and a preparation method and application thereof and a gel polymer electrolyte.The preparation method comprises the steps that a lithium salt, a polymer monomer, a cross-linking agent, an initiator, an additive and an organic solvent are mixed, heated and stirred to be uniform, and a precursor is obtained; and introducing a catalyst into the precursor to polymerize and cure the precursor to obtain the solid polymer electrolyte. The solid polymer electrolyte prepared by the invention has extremely strong flame retardant property; a unique cross-linked structure enhances the mechanical strength, and destroys the regularity of a polyether chain segment, so that the polyether chain segment is in an amorphous state, and therefore, the polyether chain segment has high ionic conductivity; due to the introduction of bicyclic carbonate, the oxidation stability is enhanced, high stability is shown on a high-voltage positive electrode, and the lithium ion transference number of the electrolyte is also increased to a certain extent; and finally, the assembled battery shows excellent cycling stability and rate capability.

The invention belongs to the technical field of food lipid and processing, particularly discloses a one-pot enzymatic cascade degumming and deacidification method for grease and application, and particularly relates to a method for performing cascade degumming and deacidification on multiple kinds of grease, generating functional lipid, improving the quality of the grease and maintaining the flavor of the grease. According to the method, phospholipase is immobilized through the porous carrier and is successfully applied to enzymatic cascade degumming and deacidification, and degumming, deacidification or cascade degumming and deacidification can be carried out on different raw materials according to requirements. Moreover, the prepared grease is rich in functional lipid components, the flavor is efficiently reserved, the oxidation stability is improved, the nutritional quality is improved, the immobilized carrier is cheap and easy to obtain, the immobilized enzyme can be repeatedly used for multiple times and is remarkably superior to free enzyme, and the industrial application potential is huge.

The invention discloses a preparation method for simultaneously and efficiently extracting crocodile polypeptide and crocodile oil, and relates to the technical field of biological extraction, crocodile meat is used as a raw material, and heating micro-pressure treatment is sequentially performed to promote component dissolution; a multi-stage enzymolysis process is adopted, alkaline protease, neutral protease and lipase are sequentially used, and a calcium phosphate system is used for assisting filtration and a natural antioxidant is added in a gradient manner in the enzymolysis process; performing plate frame filtration and standing layering subsequently to realize crude separation of the oil peptide; finally, the crocodile polypeptide liquid is subjected to multi-stage membrane filtration and spray drying, the crocodile crude oil is subjected to ultrasonic-assisted fishy smell removal, ceramic membrane fine filtration and gradient cooling phase change refining, and after enzymolysis treatment and before filtration, a composite additive is added into enzymatic hydrolysate and stirred. No organic solvent exists in the whole process, and the product yield, purity and oxidation stability are remarkably improved.

The embodiment of the invention provides an electrolyte, a battery and electric equipment, the electrolyte comprises a lithium salt, an organic solvent and a polymer matrix, and monomers of the polymer matrix comprise vinylene carbonate and isocyanate ethyl acrylate. In the electrolyte provided by the embodiment of the invention, the monomers of the polymer matrix comprise vinylene carbonate and isocyanate ethyl acrylate, and the low HOMO energy level of isocyanate ethyl acrylate can weaken the electron loss ability of the polymer matrix and improve the oxidation stability of the electrolyte, so that the relatively poor electrochemical stability is improved; and a copolymerization structure of vinylene carbonate and isocyanate ethyl acrylate reduces the crystallinity of a polymer matrix and provides a smoother path for Li < + > transmission, so that the ionic conductivity of the electrolyte is improved. Therefore, the electrolyte provided by the invention can effectively improve the problems of low room-temperature ionic conductivity and relatively poor electrochemical stability of the existing gel electrolyte, and has a good application prospect.

The invention discloses a method for qualitatively identifying oxidation stability of an atorvastatin calcium bulk drug by adopting a multispectral fusion technology, and belongs to the technical field of detection analysis, and the method comprises the following steps: S1, preparing amorphous atorvastatin calcium; s2, grinding, screening, mixing and tabletting the atorvastatin calcium raw material medicine with the crystal form I and the amorphous atorvastatin calcium; s3, detecting the tabletting sample to obtain near infrared spectrum data and Raman spectrum data; s4, performing feature extraction on the near infrared spectrum data and the Raman spectrum data, fusing near infrared spectrum features and Raman spectrum features, and establishing a mathematical model of the fused features after standardization treatment and amorphous atorvastatin calcium content data in the mixed sample; and S5, establishing classification boundaries of oxidability and oxidation stability by using a plurality of atorvastatin calcium samples with known oxidation stability, and identifying the oxidation stability of the unknown atorvastatin calcium sample to be detected according to the classification boundaries by using the mathematical model established in S4.

The invention provides a quality detection device and method for edible oil production. The method comprises the following steps: collecting spectral data and peroxide value of each edible oil sample; extracting a frequency doubling absorption peak during stretching vibration of each chemical bond from each spectral data, and performing cross validation on the oxidation process of the edible oil according to all the frequency doubling absorption peaks and all the peroxide values to obtain a plurality of chemical characteristic variables related to oxidation of the edible oil; establishing an oxidation kinetic model of the edible oil according to all the chemical characteristic variables, and predicting the optimal oxygen flow rate of oxidation of the edible oil through the oxidation kinetic model; performing oxidation stability detection on the edible oil, and when the optimal oxygen flow rate is greater than the oxygen flow rate in the oxidation stability detection, correcting the oxidation stability detection result according to the optimal oxygen flow rate to obtain the oxidation induction time of the edible oil. By adopting the scheme of the invention, the detection error caused by the mismatching of the oxygen flow rate in the oxidation stability detection can be eliminated.

The invention belongs to the field of intelligent materials, and discloses a nematic phase liquid crystal elastomer fiber and a method for optimizing the thermal shrinkage performance of the nematic phase liquid crystal elastomer fiber. According to the method, the mass ratio of a cross-linking agent pentaerythritol tetra (3-mercaptopropionate) (PETMP) to a chain extender 2, 2 '-[1, 2-ethanediyl bis (oxygen)] bis (ethanethiol) (EDDET) in an LCE spinning solution is accurately controlled through a wet spinning technology, and drafting and heat treatment processes are combined, so that the LCE fiber with adjustable and controllable heat shrinkage performance and mechanical performance is prepared. The invention aims to overcome the limitations of low response speed, low shrinkage rate, insufficient environmental stability and the like of the existing LCE fiber. The reversible thermal shrinkage rate of the fiber can reach up to 35%, the maximum shrinkage deformation can be completed within 2 seconds at the soonest at the temperature of 80 DEG C, and the maximum tensile strength can reach 170 MPa. And the catalyst has excellent oxidation stability (the mass retention rate is about 97%), and can maintain efficient thermal response in a water environment. And a new way is provided for development of high-performance intelligent materials.

The invention provides a celluloid nitrocotton stability quantitative determination method based on conductivity analysis, and the method comprises the following steps: determining the conductivity of standard nitrogen oxide gas dissolved in an aqueous solution by adopting a conductivity meter through a standard gas simulation mode according to the criterion of Beckmann-Lockg method 2mL / g; taking the numerical value as a stability index critical value of the celluloid nitrocotton; the method comprises the following steps: absorbing nitrocotton with the same mass by using ultrapure water, heating at 132 DEG C for 2 hours, releasing nitrogen oxide gas, recording the change value of the conductivity in the solution along with time in real time by using an oxidation stability tester, obtaining the change value of the conductivity after 2 hours, and determining the content of nitrogen oxide according to the comparison between the conductivity value and a critical value. And judging whether the stability of the celluloid nitrocotton sample is qualified or not. The method provided by the invention can solve the technical problem that accurate quantitative judgment is difficult to realize due to large sample quantity, high safety risk, tedious operation process and large color change error of test paper observed by human eyes in the traditional method.

The invention relates to the technical field of rubber modification, in particular to a method for enhancing thermal stability and oxidation stability of ethylene propylene diene monomer rubber by using functionalized h-BN nanosheets. Comprising the following steps: S1, preparing a hydroxylated h-BN nanosheet; s2, synthesizing phosphazene modified boron nitride, namely purifying hexachlorocyclotriphosphazene for later use, then weighing 1g of h-BN-OH powder, grinding, pouring the powder into a three-necked flask containing 100ml of acetone, carrying out ultrasonic stirring for 2 hours, then adding 0.8 g of 4, 4-dihydroxybiphenyl, continuously stirring for 10 minutes, dropwise adding an acetone solution of HCCP and 5ml of triethylamine, adding tannic acid after reaction, cooling to room temperature after the reaction is finished, and filtering to obtain the phosphazene modified boron nitride. Washing and drying to obtain phosphazene modified boron nitride; and S3, preparing the phosphazene modified boron nitride / EPDM composite material. Through the synergistic effect of P / N groups and phenolic hydroxyl groups in the phosphazene modified boron nitride, the phosphazene modified boron nitride can achieve an excellent flame retardant effect under the condition of low flame retardant additive amount, and the use amount of the flame retardant is remarkably reduced.

The invention relates to the technical field of base oil molecular structure modification, in particular to a gasoline engine oil composition and a base oil molecular modification method thereof, the composition contains 70-85 parts of modified base oil, 5-10 parts of boric acid ester dispersing agent and other additives; when the modified base oil is prepared, the base oil firstly reacts with 3-mercaptopropyltrimethoxysilane, then glycidyl methacrylate and N-vinyl pyrrolidone are sequentially added, a multi-step temperature control reaction is carried out, siloxane groups, epoxy groups and pyrrolidone groups are grafted on molecular chains, and the modified base oil is obtained and used for preparing high-performance gasoline engine oil. Through base oil molecule modification and special additive compounding, the viscosity-temperature performance, the wear resistance and the oxidation stability of the gasoline engine oil are improved, and sediment generation is reduced; the process reduces energy consumption and cost, meets environmental protection requirements, and realizes unification of high performance and economical efficiency.

Myriad problems with state of the art lithium based batteries, particularly electrolyte systems thereof, including but not limited to polysulfide shuttling, formation of lithium dendrites and dead lithium during stripping and plating, thermal runaway, volumetric expansion, and strict requirements for electrolyte composition, are well documented in the art and remain major obstacles to realizing the unsurpassed potential for lithium-based batteries as ideal energy storage solutions. The inventive concepts presented herein address said challenges from a multi-pronged approach, revolutionizing the electrolyte system from different approaches to produce synergistic benefits, both within the individual approaches and particularly in combination. The inventive concepts improve electrolyte systems with respect to solvents, electron withdrawing compounds, lithium ion-transporting compounds, performance enhancing additives and chalcogenides. These developments provide benefits including: improved charge / discharge capacity, Coulombic efficiency, cycle life, sulfur optimization, oxidative stability, etc. while reducing polysulfide shuttling and lithium dendrite formation, among other benefits.

The invention discloses a preparation method of high-temperature transformer oil, and belongs to the technical field of high-temperature transformer oil. Comprising the following steps: 1, carrying out hydrolysis reaction to obtain ricinoleic acid; step 2, carrying out first esterification reaction to obtain a ricinoleic acid esterification product; 3, performing epoxidation reaction to obtain an epoxidized ricinoleic acid esterification product; 4, carrying out ring-opening reaction to obtain ring-opened castor oil; 5, carrying out a second esterification reaction to obtain modified castor oil base oil; and 6, mixing the modified castor oil base oil, a viscosity index improver, an antioxidant, a demulsifying agent and an extreme pressure agent to obtain the high-temperature transformer oil. The invention provides modified castor oil and a preparation method thereof. The high-temperature antioxidant transformer oil prepared by using the modified castor oil as base oil has the characteristics of environmental protection, degradability, high flash point, high breakdown voltage and the like, and also has excellent oxidation stability.

According to the prepared MXene / C electrode material based on PAN carbonization, a nitrogen-doped carbon layer generated through polyacrylonitrile (PAN) in-situ carbonization serves as a supporting spacer to be inserted between MXene nanosheet layers, the MXene nanosheet layers are tightly bridged, the interlayer spacing of MXene is effectively enlarged, re-stacking of nanosheets is inhibited, and in the carbonization process, the MXene / C electrode material can be used for preparing the MXene / C electrode material based on PAN carbonization. Abundant mesopores and fissure holes are generated in the composite material by introducing and decomposing a sacrificial template (PMMA nanosphere), and a three-dimensional through ion transmission channel is constructed; the nitrogen-doped carbon layer not only serves as a supporting spacer to be inserted between MXene nanosheet layers, but also coats the surfaces of the MXene nanosheets,-F end groups on the surfaces of the MXene nanosheets are weakened, and C-O (H) and C-N functional groups are enriched, so that the interface wettability, the conductivity and the anti-oxidation stability of the material are improved, and the material can be widely applied to the technical field of electrochemical energy storage materials.

The application provides an acid ester composite diesel anti-wear agent and a preparation method thereof, and belongs to the technical field of diesel additives, and comprises the following steps: S1, preparing a silanized solid acid catalyst; S2, preparing C18 polyol ester; S3, mixing an acid type anti-wear component and the C18 polyol ester, and then stirring after heating, and then adding tetrahydropyrazole pyridine derivatives and a diluent to continue stirring, and then cooling and filtering to obtain the acid ester composite diesel anti-wear agent. The application can improve the lubricity and anti-wear performance of low-sulfur diesel at a lower additive dosage, and has low corrosion and good oxidation stability.

The invention relates to the technical field of catalysts, and particularly discloses a Ni-Cu-CeO2 / ZrO catalyst for improving oxidation stability of biodiesel and a preparation method of the Ni-Cu-CeO2 / ZrO catalyst. The invention discloses a Ni-Cu-CeO2 / ZrO catalyst for improving oxidation stability of biodiesel. The Ni-Cu-CeO2 / ZrO catalyst comprises a carrier, an active component and an auxiliary agent, the carrier is a CeO2-ZrO2 composite oxide; the active components are Ni and Cu; ni accounts for 3-5 wt% of the mass of the catalyst, and Cu accounts for 1-3 wt% of the mass of the catalyst; the auxiliary agent is La2O3; the preparation method comprises the following steps: firstly preparing the CeO2-ZrO2 carrier by adopting a coprecipitation method, then impregnating nickel nitrate, copper nitrate and lanthanum nitrate in an isopyknic manner, and then carrying out stepped roasting to obtain the catalyst. The catalyst has high catalytic activity and stability, unsaturated fatty acid ester in biodiesel can be removed, the oxidation stability of the biodiesel is improved, and the cost of the catalyst is lower than that of a noble metal catalyst.

Myriad problems with state of the art lithium based batteries, particularly electrolyte systems thereof, including but not limited to polysulfide shuttling, formation of lithium dendrites and dead lithium during stripping and plating, thermal runaway, volumetric expansion, and strict requirements for electrolyte composition, are well documented in the art and remain major obstacles to realizing the unsurpassed potential for lithium-based batteries as ideal energy storage solutions. The inventive concepts presented herein address said challenges from a multi-pronged approach, revolutionizing the electrolyte system from different approaches to produce synergistic benefits, both within the individual approaches and particularly in combination. The inventive concepts improve electrolyte systems with respect to solvents, electron withdrawing compounds, lithium ion-transporting compounds, performance enhancing additives and chalcogenides. These developments provide benefits including: improved charge / discharge capacity, Coulombic efficiency, cycle life, sulfur optimization, oxidative stability, etc. while reducing polysulfide shuttling and lithium dendrite formation, among other benefits.

The invention discloses a rechargeable magnesium battery inorganic magnesium salt electrolyte and a preparation method and application thereof, and belongs to the technical field of new energy battery preparation. The inorganic magnesium salt electrolyte of the rechargeable magnesium battery comprises an electrolyte salt inorganic magnesium salt, an organic ether solvent and an electrolyte additive organic phosphorus molecule. The organic phosphorus molecules with high dielectric constant are introduced into the inorganic magnesium salt electrolyte, the solvation structure of magnesium ions in the electrolyte and the dissolvability of the electrolyte are optimized and regulated, a stable magnesium ion solid electrolyte conducting layer is formed on the surface of magnesium metal, the conductivity of the magnesium ions is improved, and the service life of the electrolyte is prolonged. And the side reaction between the magnesium negative electrode and the electrolyte is reduced. Meanwhile, the electrochemical polarization energy barrier of the electrolyte is reduced, and the reversibility and oxidation stability of the rechargeable magnesium battery are improved. The electrolyte can be prepared only by adding the single inorganic magnesium salt and the organophosphorus additive into the ether solvent and stirring, additional additives and dewatering agents are not needed, the preparation method is simple, and large-scale production is easy.

The invention provides a fast-charging electrolyte additive, a fast-charging electrolyte containing the fast-charging electrolyte additive and a secondary battery. The fast charging electrolyte additive includes a boric acid ester compound having a sulfonyl group. The borate compound additive provided by the invention can form a stable SEI film on the surface of a negative electrode material, and is beneficial to promoting dissociation of lithium salt and inhibiting decomposition of an electrolyte, so that the interface stability, the ion transmission performance and the oxidation stability of the electrolyte are comprehensively improved, and the fast charging performance and the high-voltage performance of a lithium ion battery are improved.

The invention discloses a high-performance polyacrylonitrile carbon fiber precursor oiling agent and a preparation method thereof. The high-performance polyacrylonitrile carbon fiber precursor oiling agent is prepared from the following raw materials in percentage by mass: 5-40% of phenyl silicone oil, 5-60% of polyether / amino polysiloxane block copolymer, 3-35% of quaternary ammonium polysiloxane, 0.01-0.50% of antioxidant, 1-10% of emulsifier and 5-80% of deionized water. The invention provides a brand-new structure, which is easy to be firmly combined with polyacrylonitrile fibers, has good softness and antistatic property, improves the hand feeling of the fibers, and has yellowing resistance; the heat resistance of the polyacrylonitrile fiber is obviously improved, the generation of oil dirt in the drying process is reduced, the roll sticking phenomenon is eliminated, and the conditions of broken filaments, broken filaments, doubled filaments, adhesion and the like of the precursor filaments in the pre-oxidation process are effectively prevented; the radiation resistance, the oxidation stability, the ultraviolet resistance and the chemical resistance are better; and the emulsion has extremely strong hydrophilicity and self-emulsifying ability, and is low in emulsifier consumption and environment-friendly.

Myriad problems with state of the art lithium based batteries, particularly electrolyte systems thereof, including but not limited to polysulfide shuttling, formation of lithium dendrites and dead lithium during stripping and plating, thermal runaway, volumetric expansion, and strict requirements for electrolyte composition, are well documented in the art and remain major obstacles to realizing the unsurpassed potential for lithium-based batteries as ideal energy storage solutions. The inventive concepts presented herein address said challenges from a multi-pronged approach, revolutionizing the electrolyte system from different approaches to produce synergistic benefits, both within the individual approaches and particularly in combination. The inventive concepts improve electrolyte systems with respect to solvents, electron withdrawing compounds, lithium ion-transporting compounds, performance enhancing additives and chalcogenides. These developments provide benefits including: improved charge / discharge capacity, Coulombic efficiency, cycle life, sulfur optimization, oxidative stability, etc. while reducing polysulfide shuttling and lithium dendrite formation, among other benefits.

The invention belongs to the technical field of gearbox oil preparation, and particularly relates to gearbox oil and a preparation method thereof. The gearbox oil is prepared from the following raw materials: O, O '-diisoamyl dithiophosphate sodium salt, isooctyl acidic phosphate octadecylamine, 4, 4'-methylene bis (2, 2, 6-trimethyl-1, 3-pentanedione)-1, 2, 4-trimethyl-1, 3-pentanedione, 2, 4, 6-trimethyl-1, 3- The lubricating oil is prepared from 2, 6-di-tert-butylphenol), dialkyl dithiocarbamate, triethanolamine borate, methylbenzotriazole, a 2-butyl acrylate homopolymer, a hydrogenated styrene-diene copolymer, boronized polyisobutylene succinimide and the balance of base oil. The base oil is prepared from dipentaerythritol ester, poly-alpha-olefin, palm oil, 1-n-butyl naphthalene and dodecylphenol. According to the gearbox oil disclosed by the invention, the raw materials have a synergistic effect, so that the prepared gearbox oil has very good oxidation stability, corrosion resistance and wear resistance.

The present invention relates to the field of lubricating oil technology, and in particular to a gear oil composition that can be used in a gearbox of a wind turbine generator set. The gear oil composition comprises: a low-viscosity poly-α-olefin and a high-viscosity synthetic ester; the weight ratio of the low-viscosity poly-α-olefin to the high-viscosity synthetic ester is 1:2 to 4.5; the kinematic viscosity of the low-viscosity poly-α-olefin at 100°C is 2 to 4.5 mm 2 / s; the high viscosity synthetic ester has a kinematic viscosity of 500 to 1500 mm at 40°C 2 The gear oil composition of the present invention has good biodegradability and sealing material compatibility, excellent hydrolysis resistance, low-temperature fluidity, extreme pressure and anti-wear properties, good oxidation stability, corrosion and rust resistance, and demulsification properties, can meet the performance requirements of wind power gearboxes, and is environmentally friendly.

Myriad problems with state of the art lithium based batteries, particularly electrolyte systems thereof, including but not limited to polysulfide shuttling, formation of lithium dendrites and dead lithium during stripping and plating, thermal runaway, volumetric expansion, and strict requirements for electrolyte composition, are well documented in the art and remain major obstacles to realizing the unsurpassed potential for lithium-based batteries as ideal energy storage solutions. The inventive concepts presented herein address said challenges from a multi-pronged approach, revolutionizing the electrolyte system from different approaches to produce synergistic benefits, both within the individual approaches and particularly in combination. The inventive concepts improve electrolyte systems with respect to solvents, electron withdrawing compounds, lithium ion-transporting compounds, performance enhancing additives and chalcogenides. These developments provide benefits including: improved charge / discharge capacity, Coulombic efficiency, cycle life, sulfur optimization, oxidative stability, etc. while reducing polysulfide shuttling and lithium dendrite formation, among other benefits.

The invention discloses an emulsion with high tea oil oxidation stability as well as a preparation method and application of the emulsion. The emulsion is prepared by the method comprising the following steps: preparing a konjac glucomannan solution and a tea polyphenol solution; preparation of a konjac glucomannan-tea polyphenol compound; preparing a mixed protein dispersion liquid; and preparing the tea oil emulsion. The invention also discloses application of the emulsion in preparation of water-phase matrix food. Konjac glucomannan and tea polyphenol are prepared into a compound to be applied to the tea oil emulsion, so that the emulsification stability is improved, especially the oxidation stability is improved, and the combination amount of tea polyphenol on konjac glucomannan is increased by adopting a proper acidic condition and a two-step action method of combining normal temperature and low temperature; the tea oil is prepared into an oil-in-water emulsion form with high tea oil oxidation stability, the application field of the tea oil in the food industry is widened, the whey protein and the casein are used for replacing a chemically synthesized emulsifier to prepare the tea oil emulsion, the food safety risk of the chemically synthesized emulsifier is avoided, and the nutritional quality of the tea oil emulsion is improved.

The application discloses a method and device for producing bright stock, and the obtained bright stock, which comprises the following steps: (1) contacting heavy oil with a hydrogenation catalyst under the presence of hydrogen, and performing hydrogenation reaction under hydrogenation treatment conditions to obtain a hydrogenation product; (2) performing alkylation reaction of aromatics in the hydrogenation product and C10-C20 olefins in olefin oil under the presence of a strong acid catalyst and under alkylation reaction conditions to obtain an alkylation product; and (3) performing distillation separation on the alkylation product to separate and obtain a heavy fraction with a temperature greater than 500 DEG C as the bright stock product. The method provided by the application expands the raw material source of the bright stock, simplifies the process flow, and is convenient for industrial production; and the prepared bright stock product not only has high viscosity and viscosity index, but also has good low-temperature flow performance and high oxidation stability.