204results about How to "Improve Oxidation Stability" patented technology

The invention belongs to the field of polymer electrolyte membranes, and particularly relates to a benzimidazole micromolecule-based proton exchange composite membrane for electrolyzing water and a preparation method thereof. The preparation method comprises the following steps: firstly synthesizing 5, 5 '-bis [2-(2-hydroxy-5-sulfophenyl) benzimidazole], then synthesizing sulfonated polyetheretherketone, and finally preparing the proton exchange composite membrane based on benzimidazole micromolecules. The benzimidazole rigid rod-like micromolecules with sulfonic acid groups are designed and prepared by utilizing the advantages of heat resistance, acid resistance, alkali resistance and better dissolvability than PBI of the benzimidazole micromolecules, and the benzimidazole rigid rod-like micromolecules are added into a polymer matrix as a filler to prepare the composite membrane, so that the proton conductivity, the swelling resistance and the oxidation stability of the original polymer membrane are improved.

The invention discloses a composite solid electrolyte diaphragm which comprises a bacterial cellulose membrane, fluorinated metal modified PEO electrolyte particles and functional group modified particles, and the fluorinated metal modified PEO electrolyte particles and the functional group modified particles are loaded in a three-dimensional network structure of the bacterial cellulose membrane. The functional group modified particles are functional group modified silicon dioxide particles and functional group modified LATP particles, the functional group modified silicon dioxide particles uniformly wrap the functional group modified LATP particles, and fluorinated metal of the fluorinated metal modified PEO electrolyte particles is combined with functional groups of the functional group modified particles through coordinate bonds. The invention also discloses a preparation method of the electrolyte diaphragm and a battery with the electrolyte diaphragm. The ionic conductivity of the electrolyte diaphragm is improved.

The invention discloses biphase gel loaded with natural antioxidants as well as a preparation method and application of the biphase gel. The biphase gel is obtained by mixing oil gel and hydrogel in a mass ratio of (20: 80)-(80: 20) through a physical effect, wherein the hydrogel is composed of a water-soluble natural antioxidant and a polysaccharide aqueous solution; the oleogel is composed of an oleogel agent, a fat-soluble natural antioxidant, a small molecule emulsifier and edible oil. According to the present invention, the water-soluble nutrients are loaded in the hydrogel, and the fat-soluble nutrients are loaded in the oil gel to prepare different types of the two-phase gel nutrient delivery systems simultaneously loading the hydrophilic and hydrophobic natural antioxidants so as to effectively improve the steady-state protection effect and the bioavailability of the nutrients.

The invention belongs to the technical field of hydraulic oil, and particularly discloses super-lubricity energy-saving anti-wear hydraulic oil and a preparation method thereof. The super-lubricity energy-saving anti-wear hydraulic oil is prepared from the following components in parts by weight: 75 to 90 parts of composite base oil, 5 to 7 parts of viscosity index improver, 3 to 5 parts of friction improver, 1 to 3 parts of pour point depressant, 0.005 to 2 parts of anti-rust preservative, 0.003 to 0.02 part of demulsifying agent, 0.01 to 0.03 part of anti-foaming agent, 0.05 to 1 part of clearing agent, 0.05 to 2 parts of antioxidant and 0.05 to 1.5 parts of metal deactivator, the composite base oil is composed of coal base oil, second-class base oil and alkyl naphthalene base oil according to the mass ratio of 5: 4: 1. The super-lubricity energy-saving anti-wear hydraulic oil provided by the invention is high in viscosity index, excellent in shear stability, excellent in oxidation stability, excellent in low-temperature performance and small in friction coefficient, the service life of a product is greatly prolonged, the super-lubricity energy-saving and environment-friendly performance requirements are met, and the super-lubricity energy-saving anti-wear hydraulic oil has a wide application prospect.

The invention relates to the technical field of lubrication, in particular to heavy-load open gear graphene lubricating grease and a preparation method thereof. The preparation method comprises the following steps: grafting octadecylamine and an ionic liquid to the surface of graphene, reacting with modified jatropha curcas oil to obtain modified graphene, and adding PAO, alkyl naphthalene oil, fumed silica and an additive to obtain the heavy-load open gear graphene lubricating grease. Graphene is modified and is matched with nano tungsten disulfide, so that the lubricating grease is good in lubrication and wear resistance; the synthesized anionic salt is used for modifying graphene, so that the obtained lubricating grease is good in extreme pressure property; graphene oxide is obtained by modifying jatropha curcas oil, the specific surface area of fumed silica and the pH value of a system are further controlled, and finally, the lubricating grease can meet the actual high-temperature use requirement; by changing the dosage of each component raw material and adding the raw materials in batches, the obtained lubricating grease has good low-temperature-resistant effect and oxidation stability, low oil separation amount and small evaporation loss.

The invention relates to air compressor lubricating oil with low odor and long service life. The air compressor lubricating oil with low odor and long service life is prepared from the following raw materials in percentage by weight: 0.2 to 1 percent of additive A, 0.5 to 2.0 percent of additive B, 0.03 to 0.1 percent of antirust agent, 0.5 to 1.5 percent of antioxidant, 0.0075 to 0.01 percent of defoaming agent and the balance of second-class hydrofined mineral oil. The additive A and the additive B are compounded to replace a traditional additive, the heat stability, oxidation stability and wear resistance of the air compressor lubricating oil can be remarkably improved within a proper dosage range, and in practical application, the oil change period of the air compressor lubricating oil is remarkably prolonged and can exceed 6000 hours. In addition, through compounding of the additive A and the additive B, the problem that a traditional additive has serious odor after being used for a period of time is solved.

The invention belongs to the technical field of microbial fermentation, and particularly relates to a fermentation strain composition, fermentation oil as well as a preparation method and application of the fermentation oil. The raw materials of the fermented oil comprise grease, candida bumblebee and a second strain; and the second strain is selected from at least one of lipomyces starkeyi, saccharomyces cerevisiae, rhodosporidium torulosporioides, lucid ganoderma and cordyceps sobolifera. The preparation method comprises the following steps: firstly, adding grease into a culture medium, inoculating bumblebee candida and a second strain, and fermenting; and sterilizing and filtering after fermentation. The invention provides a grease raw material fermentation strain combination capable of improving the grease stability, remarkably reducing the dosage of a grease emulsifier and improving the transdermal absorption effect of grease as an active matter carrier, and provides a basis for the application of the grease raw material fermentation strain combination in cosmetics.

The invention discloses a direct contact type mineral oil dielectric cooling liquid and a preparation method thereof, the cooling liquid comprises the following raw materials: mineral type naphthenic base white oil, an antioxidant and a light stabilizer, aromatic hydrocarbon of the mineral type naphthenic base white oil is completely hydrogenated and saturated and does not contain corrosive sulfur, nitrogen, oxygen and other heteroatoms, and the refined naphthenic base oil has good environmental protection property and good corrosion resistance. And moreover, the problem that the cable becomes hard after being soaked in the cooling liquid is solved, the compatibility with other materials is good, and the cooling liquid can have good compatibility with materials of a liquid cooling system without adding cable compatibilizers such as oily epoxy resin and a dispersing agent. The mineral oil type dielectric cooling liquid disclosed by the invention is colorless, transparent, good in environmental protection property, good in flowing property, fireproof safety performance, heat-conducting property, insulating property and oxidation stability, free of acidic substances and corrosion, less in water absorption in a use process, good in stability, excellent in compatibility with IT equipment materials, power lines and network cables, and good in corrosion resistance. And yellowing due to light and heat is not easily caused.

The invention provides a flame-retardant additive for an electrolyte and application, and relates to the technical field of lithium ion batteries. Specifically, the flame-retardant additive comprises a compound formed by connecting a nitrogen-containing six-membered ring and a phosphorus-containing five-membered ring through double bonds, and the compound further comprises hydroxyl, carboxyl and a plurality of fluorine atoms and at least comprises four fluorine atoms. When the electrolyte is prepared based on the flame-retardant additive, raw materials including a lithium salt, an organic solvent, a conductive additive and a film-forming additive are also adopted. The flame-retardant additive disclosed by the invention has an excellent flame-retardant effect, strong applicability and good stability, can improve the electrochemical performance of an electrolyte or a battery to a certain extent, and has a good application prospect.

The invention relates to a ganoderma lucidum beverage and a making process thereof, and belongs to the technical field of drinks, the making process comprises the following steps: uniformly mixing lactobacillus acidophilus and bifidobacterium bifidum to obtain a mixed bacteria solution; inoculating the mixed bacterial liquid into a culture medium for culturing, and then mixing with a lucid ganoderma extract to obtain a lucid ganoderma active substance; packaging the lucid ganoderma active substance with maltodextrin and beta-lactoglobulin to obtain a lucid ganoderma encapsulated substance; and mixing the ganoderma lucidum encapsulation material, a sweetening agent, a thickening agent and water, homogenizing, sterilizing, cooling and aseptically filling to obtain the ganoderma lucidum beverage. According to the technical scheme, the two probiotics are mixed according to a certain volume ratio, intestinal flora balance can be effectively adjusted, proliferation of bad microorganisms in the intestinal tract can be inhibited, the probiotics and the ganoderma lucidum extract are jointly packaged in a microcapsule system formed by the maltodextrin and the beta-lactoglobulin, the stability of the microcapsule is improved, and the preparation process is simple and convenient. And the prepared ganoderma lucidum beverage has relatively good mouth feel and flavor.

The invention relates to the technical field of lubrication of gearboxes of wind generating sets, in particular to lubricating oil for a yaw variable-pitch speed reducer of a wind generating set and a preparation method of the lubricating oil. The lubricating oil is prepared from 49 to 53 parts of metallocene poly-alpha olefin, 23 to 28 parts of functional fluid containing a low-viscosity and low-volatility poly-alpha olefin base material, 15 to 20 parts of alkyl naphthalene, 2.5 to 3.0 parts of a composite additive bag, 2 to 5 parts of an oiliness agent, 0.005 to 0.01 part of a demulsifying agent, 0.02 to 0.03 part of a de-foaming agent and 0.005 to 0.01 part of a pour point depressant. The lubricating oil for the yaw variable-pitch speed reducer of the wind generating set has excellent high and low temperature performance, oxidation resistance, additive sensitivity and foam stability; in addition, the transmission energy efficiency is higher, and the excellent energy-saving effect is achieved.

The invention relates to a drilling fluid lubricating additive and a preparation method and application thereof.The lubricating additive comprises a lubricating stabilizer, a viscosity modifier, a dispersing agent and an antioxidant, and the lubricating stabilizer is selected from one or more of a modifier of vegetable oil and a modifier of fatty acid; the viscosity modifier is selected from one or more of vegetable wax; and the dispersant is selected from a nonionic surfactant with an HLB value of 13-18. The lubricating additive is prepared by compounding the lubricating stabilizer, the viscosity modifier, the dispersing agent and the antioxidant, and after the lubricating additive is added into the lubricant, the oxidation stability of the lubricant in a high-temperature and high-salt system can be remarkably improved, the problem of reaction precipitates in the aging process is solved, the lubricating effect of the lubricant is improved, and the service life of the lubricant is prolonged. Particularly, the lubricating effect under a high-temperature condition is achieved; the lubricating additive disclosed by the invention is good in stability, excellent in compatibility and very convenient to use.

The present invention relates to a solid polymer electrolyte based on poly (vinylidene fluoride-co-trifluoroethylene-co-chlorotrifluoroethylene) (PVTF), comprising: a polymer matrix; the solvent is a N, N-dimethylformamide (DMF) solvent; and lithium bis (trifluoromethanesulfonyl) imide (LiTFSI). The PVTF-based solid polymer electrolyte shows an excellent electrochemical window as high as 5.68 V, significantly higher ionic conductivity at ambient temperature of 1.91 * 10 <-3 > S cm <-1 >, and the PVTF-based solid polymer electrolyte has a glass transition temperature (Tg) of less than-38 DEG C.

The invention discloses a silver-coated copper powder preparation method based on nickel layer enhanced palladium catalysis and active hydrogen synergistic deposition, and relates to the technical field of powder surface treatment. The method specifically comprises the following steps that copper powder is soaked in acid liquor, then filtering, washing and drying are conducted, and pretreated copper powder is obtained; immersing the pretreated copper powder into a hydrochloric acid solution of nickel chloride hexahydrate, and then filtering, washing and drying to obtain sensitized copper powder; immersing the sensitized copper powder into a hydrochloric acid solution of palladium chloride, and then filtering, washing and drying to obtain activated copper powder; mixing the activated copper powder with the reduction solution to obtain a solid-liquid mixture, adding a silver-ammonia solution into the solid-liquid mixture, heating for reaction, and filtering after the reaction is finished to obtain a solid product; and washing and drying the solid product to obtain the silver-coated copper powder based on nickel layer enhanced palladium catalysis and active hydrogen synergistic deposition. The silver-coated copper powder with a compact silver layer and high binding force is prepared through the ternary synergistic effect of nickel layer sensitization, palladium nanometer activation and formaldehyde reduction.

The invention discloses a polysaccharide-based supramolecular gel polymer electrolyte based on a high-concentration electrolyte system as well as a preparation method and application of the polysaccharide-based supramolecular gel polymer electrolyte, and the preparation method comprises the following steps: dissolving hydroxypropyl chitosan (HPCS) in dimethyl sulfoxide (DMSO) to prepare an HPCS-DMSO solution; the preparation method comprises the following steps: dissolving lithium bis (trifluoromethanesulfonic acid) imide (LiTFSI) into DMSO (Dimethylsulfoxide) to prepare a high-concentration LiTFSI-DMSO solution; and mixing the two solutions to obtain the polysaccharide-based supramolecular gel polymer electrolyte, wherein the prepared gel can be used for preparing an energy storage device. According to the present invention, the groups having interaction with the anions and the solvent molecules are pertinently introduced into the polymer, and the double-bridging structure formed by the anion-Li < + >-solvent molecules is utilized to slow down the diffusion of the anions and achieve the Li < + > rapid transition mode, such that the Li < + > migration number in the gel network and the electrode interface stability are improved, and the wide application prospect is provided.

The invention belongs to the technical field of lithium ion batteries, and relates to a bis (fluorosulfonyl) imide ester-based solvent wide-temperature-range electrolyte as well as a preparation method and application of the bis (fluorosulfonyl) imide ester-based solvent wide-temperature-range electrolyte. According to the invention, the solvation and interface structure of the electrolyte are regulated and controlled by introducing a new anion group (salt), reasonably selecting a multi-component solvent and optimizing the proportion of each component, so that the electrolyte with excellent low-temperature de-intercalation / intercalation performance and high-temperature stability is designed; when the composite material is applied to the lithium ion battery, the wide-temperature performance (-30 DEG C to 60 DEG C) of the battery is successfully improved.

According to the low-temperature sodium ion electrolyte based on the carboxylic ester-based solvent and the sodium ion battery, the carboxylic ester-based mixed solvent is used, the excellent low melting point, relatively high oxidation stability, proper dielectric constant and low viscosity of the carboxylic ester-based mixed solvent are utilized, high ionic conductivity is achieved at the low temperature, and meanwhile the low-temperature sodium ion electrolyte and the sodium ion battery based on the carboxylic ester-based solvent are obtained. According to the invention, electrolyte components are further improved, sodium 4, 5-dicyano-2-(trifluoromethyl) imidazolate is introduced, and other organic solvents and additives are mutually matched and synergistic, so that the interface of the electrolyte has excellent stability, the electrolyte also has good electrochemical performance in a low-temperature environment, and the electrolyte can be applied to an environment of-85-25 DEG C, and can be applied to the field of lithium ion batteries. Good application prospects are realized.

The invention belongs to the technical field of silicon solar cells, and particularly relates to a copper electrode material and a method for preparing a copper electrode of a silicon solar cell by using the copper electrode material, the copper electrode material comprises the following components: a copper wire, a tin-bismuth alloy and modified rosin, and the preparation method of the modified rosin comprises the following steps: firstly, taking polyethylene glycol and aniline phenylacetic acid as raw materials; carrying out esterification reaction to obtain aniline modified polyethylene glycol; then, rosin and acrylic acid are used as raw materials, and acrylic acid modified rosin is obtained through a D-A addition reaction; and finally, by taking aniline modified polyethylene glycol and acrylic acid modified rosin as raw materials, carrying out esterification reaction. The invention also provides a method for preparing a silicon solar cell copper electrode by using the copper electrode material. The surface of a copper wire is sequentially coated with a modified rosin layer, a tin-bismuth alloy layer and a modified rosin layer. The copper electrode provided by the invention has relatively low bulk resistance and relatively good oxidation stability, and also has excellent adhesive force and relatively low interface contact resistance when the copper electrode is fused and welded on the surface of a substrate.

The invention belongs to the technical field of biosensing, and particularly relates to G-MXene-PAA-Fe < 3 + > hydrogel as well as a preparation method and application thereof. The preparation method comprises the following steps: modifying MXene by adopting an antioxidant to prepare modified G-MXene; then, acrylic acid (AA) free radical polymerization chemical crosslinking is used as a first network, polyacrylic acid (PAA)-Fe < 3 + > metal ion complexing is used as a second network, modified G-MXene is used as a cross-linking agent and a conductive nano filler, and under the action of an initiator ammonium persulfate, the G-MXene-PAA-Fe < 3 + > self-healing conductive hydrogel is prepared by adopting a simple and easy-to-operate one-pot method. The prepared self-healing conductive hydrogel has excellent stability, self-healing performance, mechanical performance, conductivity and sensing performance, and has a wide application prospect in the field of flexible sensors.

The invention discloses a fluoride solid electrolyte material, a preparation method thereof and an all-solid-state lithium battery. The chemical general formula of the fluoride solid electrolyte material is Li < y > Y < 1-z > M < z > F < 3-x > X < x >, wherein M is an element for doping and substituting Y, and X is an element for doping and substituting F; m is a group IIIB and / or group IVB element, and X is an oxygen-containing element. The solid-state electrolyte material has very good oxidation stability and high ionic conductivity, the preparation method is simple, the solid-state electrolyte material can be matched with a high-voltage positive electrode material, and the cycle performance and the energy density of an all-solid-state lithium battery are improved.

The invention relates to an environment-friendly degradable gear lubricant as well as a preparation method and application thereof, in particular to an environment-friendly degradable gear lubricant which is prepared from the following components in percentage by weight: 50-60% of base oil, 15-25% of an additive, 23-38% of modified castor oil, 5-10% of an antioxidant and 5-8% of a tackifier, the base oil is prepared from pentaerythritol ester, butylene adipate, butylene terephthalate and a catalyst, and the mass ratio of the pentaerythritol ester to the butylene adipate to the butylene terephthalate is (1.2 to 2.5) to (3.1 to 4.5) to (2 to 3). The vegetable oil biological lubricant can ensure environmental friendliness and degradability while realizing lubrication, and has all characteristics required by lubricating oil, including high viscosity index, low volatility and good lubricity.

The invention relates to an in-situ polymerization dioxolame polymer solid electrolyte, a magnesium fluoride-containing interface layer, a battery and a preparation method thereof, 1, 3-dioxolame, a lithium salt and magnesium-containing montmorillonite are uniformly mixed to obtain a mixed solution, then the mixed solution is immersed into a support body, the support body, a lithium metal negative electrode and a lithium metal positive electrode are matched and assembled into a total battery, and the total battery is obtained after standing for a period of time. And preparing the polymerized dioxolame composite polymer solid electrolyte through an in-situ polymerization reaction. Magnesium ions spontaneously gathered on the surface of montmorillonite compete for coordination with lithium salt anions, the lithium ion coordination environment in the electrolyte is regulated and controlled, and the number of free lithium ions is increased, so that the ionic conductivity of the electrolyte is improved. Besides, magnesium ions and lithium salt anion ligands are decomposed on a positive and negative electrode interface to participate in formation of an interface layer, inorganic-unit-rich interface layers (CEI and SEI) containing magnesium fluoride are generated, high Young modulus and rapid lithium ion transportation kinematics are achieved, rapid transportation of lithium ions is facilitated, stability of the electrolyte and the positive and negative electrode interface is improved, and good application prospects are shown.

The invention relates to a biodegradable hydraulic oil composition and a preparation method of hydraulic oil, and relates to the technical field of hydraulic oil compositions.The hydraulic oil composition comprises, by weight, 20-37% of ester oil, 5-10% of refined vegetable oil and 5-10% of a demulsifier, and the total weight of the ester oil, the refined vegetable oil and the demulsifier is 100%. The content of the refined vegetable oil is 62-79.9 wt%, the content of the demulsifier is 0.1-1 wt%, and the preparation method of the refined vegetable oil comprises the following steps: pre-loading a nanocapsule with an antioxidant as an inner core in activated clay, loading the activated clay pre-loaded with the nanocapsule into deacidified oil, and filtering to obtain the refined vegetable oil. The hydraulic oil composition disclosed by the invention has excellent biodegradability and also has the technical effects of relatively good oxidation stability and viscosity-temperature property.

This application discloses a flexible light-emitting sensor, its fabrication method, and its application in the non-destructive detection of mercury ions, belonging to the field of sensor materials and detection technology. The technical solution of this application introduces phycocyanin as a functional crosslinking agent into a polyacrylamide (PAAM) network. The prepared phycocyanin-polyacrylamide (PC-PAAM) hydrogel combines the structural stability of polyacrylamide with the fluorescence properties and chemical reactivity of phycocyanin. This gel, within a soft and biocompatible monomer network, integrates strong responsive fluorescence, intrinsic antioxidant protection, and excellent underwater adhesion, achieving direct fingertip contact surface sensing with a synergistic mechano-optical effect. Furthermore, by combining a machine learning model trained based on hydrogel fluorescence images, it can further support precise, portable, and visualized quantitative analysis of mercury ion pollution using smartphone imaging technology.

A perilla oil α-linolenic acid microcapsule and its preparation method belong to the food processing field, including the following steps: (1) extraction of perilla oil; using a bio-enzyme-assisted low-temperature pressing method, a compound enzyme is added to perilla seeds for enzymatic hydrolysis, followed by low-temperature pressing to collect perilla seed oil; (2) enrichment and purification of α-linolenic acid; the perilla seed oil obtained in step (1) is purified by molecular distillation technology, and the perilla oil fraction enriched with α-linolenic acid is collected; (3) microencapsulation; using the perilla oil enriched with α-linolenic acid obtained in step (2) as the core material, after selecting a suitable composite wall material, perilla oil α-linolenic acid microcapsules are obtained by spray drying. This invention improves the extraction efficiency of perilla oil, retains the natural activity of α-linolenic acid; efficiently enriches α-linolenic acid through molecular distillation technology, increasing the content of functional active ingredients in the product; and improves the oxidative stability and storage performance of α-linolenic acid.

The invention discloses composite fatty amine polyurea lubricating grease and a preparation method thereof, and belongs to the technical field of lubricating grease. Comprising the following raw materials in parts by weight: 80-120 parts of mineral base oil, 5-10 parts of fatty amine, 2-6 parts of isocyanate, 4-12 parts of a synergistic antioxidant, 2-8 parts of water, 20-30 parts of quenching oil, 3-6 parts of an anti-wear reagent at extreme pressure and 4-8 parts of an anti-rust agent. The prepared lubricating grease is excellent in performance, short-chain fatty amine and long-chain fatty amine are compounded, the short-chain fatty amine provides a high dropping point, the long-chain fatty amine provides a thickening ability to realize advantage complementation, and the comprehensive performance of the lubricating grease is improved; meanwhile, the prepared synergistic antioxidant can greatly enhance the oxidation stability and extreme pressure wear resistance of the lubricating grease, and is stable in performance and not easy to fall off.

Specifically disclosed is a lubricating oil composition which contains a vegetable oil (A), zinc dithiophosphate (B) and an amine-based antioxidant (C), and which is characterized in that: the total content of linoleic acid and linolenic acid among fatty acids constituting the vegetable oil (A) is less than 20% by mass based on the total amount of fatty acids constituting the vegetable oil (A); the content of the amine-based antioxidant (C) is 2.00 mass% or more based on the total amount of the lubricating oil composition, and when the lubricating oil composition further contains a phosphorus-free phenolic antioxidant (D), the content of the phosphorus-free phenolic antioxidant (D) is less than 2.00 mass% based on the total amount of the lubricating oil composition.

The invention relates to the technical field of batteries, in particular to an electrode assembly, a preparation method thereof and a solid-state battery. The electrode assembly comprises a positive plate and a composite plate, the positive plate comprises an active material layer, and the active material layer comprises a first solid electrolyte; the composite pole piece comprises a solid electrolyte layer, the solid electrolyte layer is arranged close to the active material layer, the solid electrolyte layer comprises a second solid electrolyte, and the voltage window of the second solid electrolyte is smaller than or equal to the voltage window of the first solid electrolyte. The solid-state battery comprises the electrode assembly. The voltage window of the second solid electrolyte is limited to be smaller than or equal to the voltage window of the first solid electrolyte, so that the oxidation stability of the positive plate is improved, the voltage platform of the whole battery can be improved, the energy density of the battery is improved, and the weight of the battery is reduced.

The invention relates to the field of new energy batteries, in particular to a chloride solid electrolyte, a preparation method thereof and a battery, the chloride solid electrolyte comprises LiaMbFecLadCl3, M is selected from at least one of Al, Ce, Zr, Mg, Cr and Ca, 0 lt; a is less than or equal to 0.4, 0lt; b is less than or equal to 0.75, 0lt; c is less than or equal to 0.167, 0 lt; d < = 0.167; the method comprises the following steps: S1, mixing LiCl, a water-containing chloride of an element M, FeCl3. 6H2O and LaCl3. 6H2O with water to obtain a first material; s2, drying the first material to obtain a precursor; and S3, carrying out grinding treatment on the precursor. The chloride solid electrolyte can obviously improve the cycling stability of the all-solid-state lithium metal battery.

The invention relates to the field of lithium ion batteries, in particular to electrolyte of a high-voltage lithium ion battery and application of the electrolyte. The electrolyte comprises a solvent and a lithium salt, and the solvent comprises 2, 2, 2-trifluoroethyl methanesulfonate (TM) and / or 2, 2, 2-trifluoroethyl trifluoromethane sulfonate (TTMS). The electrolyte provided by the embodiment of the invention has relatively high oxidation stability, positive electrode side reactions (transition metal dissolution, gas emission and the like) under a high-voltage condition are inhibited by forming an S-containing (Li2SOx) CEI film, and the limit of a high-voltage battery is expanded, so that batteries such as graphite LCO with a cut-off voltage of 4.55 V, graphite NCM811 with a cut-off voltage of 4.6 V and the like are kept stable in thousands of cycles; and meanwhile, good safety can be kept.