543 results about "Borate salt" patented technology

The invention discloses a series of alkali metal borate compounds and alkali metal borate crystals as well as a preparation method and application thereof, and belongs to the technical field of photoelectric functional crystal materials. The chemical general formula of the series of compounds and crystals thereof is A3RE (B3O6) 2, wherein A is K, Rb, Cs or NH4; rE = Sc and Y, the molecular weight is 355.93-744.48, the series of crystals belong to a trigonal system, the space group is P321, the cell parameters a = b = 10.5237 (13)-135237 (13), and # imgabs0 # Z = 3. The series of alkali metal borate compounds are synthesized by adopting a solid-phase reaction method or a hydrothermal method, and the series of crystals grow by adopting a high-temperature melt method or a hydrothermal method or a solution method. The series of materials can be used for manufacturing second harmonic generators, upper and lower frequency converters, optical parametric oscillators, polarizing prisms and the like.

The present invention discloses a catalyst for dehydrogenating cyclohexanol to cyclohexanone, a preparation method thereof and an application thereof. The catalyst comprises a silica support and active components and active promoters uniformly loaded on the silica support; the active components include copper element, zinc element and magnesium element; the active promoter is selected from borate. The catalyst for dehydrogenating cyclohexanol to cyclohexanone disclosed by the present invention greatly enhances the interaction between the silica support and the active components, and significantly improves the long-term stability of the catalyst on the basis of ensuring that the catalyst has excellent catalytic activity and selectivity.

The invention discloses a porous ceramic filter for liquid magnesium alloy purification and a preparation method thereof, and the porous ceramic filter comprises the following raw materials in percentage by mass: 70-85wt% of ceramic particles, 8-15wt% of multi-element oxide system microcrystalline glass brazing filler metal and the balance of a binder, al2O3-B2O3-SiO2-MgO-CaO multi-element oxide system microcrystalline glass brazing filler metal is adopted, under the condition of air atmosphere high-temperature calcination, a compact reaction layer containing a low-melting-point glass phase, an aluminum oxide phase, a magnesium aluminate spinel phase, a calcium aluminosilicate phase, a borate phase and a silicate phase is generated on the surfaces of ceramic particles of a porous ceramic filter through a chemical reaction; the magnesium alloy filter has high strength and good high-temperature stability, and the problems that the filter loses efficacy and magnesium alloy melt is polluted due to the fact that the filter is eroded by magnesium alloy liquid are effectively solved.

To provide a novel method for depolymerizing polyester utilizing a catalyst that allows for progression of polyester depolymerization reaction and that enables post-reaction recovery, separation, and reuse.SOLUTION: The present invention provides a method for depolymerizing polyester, comprising a step in which polyester is reacted in the presence of a catalyst and solvent to depolymerize, where the catalyst is a boric acid compound.SELECTED DRAWING: None

The invention relates to the technical field of fireproof materials, and discloses a flame retardant for fireproof paint and a preparation method of the flame retardant. The flame retardant is prepared from modified aluminum polyphosphate, a borate-phosphate composite acid source, a silica modified carbon forming agent, chitosan modified nano carbon, melamine cyanurate, bicarbonate, graphene oxide, nano titanium dioxide and an interface reinforcing agent. Through the multi-stage catalysis of the composite acid source, the efficient charring of the modified charring agent, the multi-stage gas source release and the synergistic effect of the nano additive, a compact and uniform expansion layer is formed, and the high-temperature stability, the heat insulation performance and the thickness retention rate in a dynamic environment of the expansion layer are remarkably improved. According to the preparation method, by optimizing the steps of mixing, dispersing, drying and curing the components, the high-efficiency exertion of the performance of the flame retardant is ensured. The flame retardant is widely applicable to fireproof coatings for buildings, steel structures, wood and the like, has the characteristics of high expansion efficiency, lasting heat insulation and excellent mechanical properties, and effectively overcomes the defects in the prior art.

The invention discloses a composite heavy metal adsorbent synthesized through mineral conversion and a preparation method of the composite heavy metal adsorbent, and belongs to the technical field of deep processing of natural nonmetallic minerals and preparation of heavy metal adsorption functional materials, and the main preparation method comprises the following steps: S1, crushing and crushing natural clay minerals, and sieving with a 80-mesh sieve to obtain mineral powder; s2, mixing the obtained mineral powder with a calcium compound, and carrying out ball milling; s3, adding a boron compound, and continuing ball milling; s4, adding water into a solid material obtained by ball milling according to a solid-to-liquid ratio of (1: 5)-(1: 20), putting into a microwave hydrothermal reaction kettle, adding an organic auxiliary agent, carrying out gradient heating to 100-200 DEG C, reacting for 30-120 minutes, then naturally cooling to room temperature, separating, drying and crushing; according to the invention, natural clay raw ore is taken as a raw material, and the borate-silicate composite adsorption material is prepared in a preparation mode of combining solid-phase reaction and microwave hydrothermal treatment, so that high-concentration and low-concentration heavy metal ions are efficiently removed.

The invention relates to the technical field of cable preparation, in particular to a low-temperature-resistant flame-retardant anti-ultraviolet PVC cable sheath composition, a preparation method thereof and a cable. According to the composition, polyvinyl chloride is used as a matrix, chlorinated polyethylene elastomer, an environment-friendly plasticizer and a calcium-zinc stabilizer are used as auxiliary materials, nanoscale magnesium hydroxide, zinc stannate, passivated zinc borate, sodium tungstate and modified montmorillonite are introduced to form a multi-component synergistic flame-retardant system, and the flame retardance, the low smoke property and the thermal stability of the material are remarkably improved. Meanwhile, through the cooperation of the ultraviolet light absorber and the antioxidant, the weather resistance of the material is enhanced, and the service life of the material is prolonged. The prepared cable sheath material has excellent low-temperature flexibility, flame retardance and smoke suppression performance and ultraviolet aging resistance, and is suitable for high-performance cables in severe environments.

The invention discloses high magnetic induction oriented silicon steel and a production method. The high magnetic induction oriented silicon steel comprises the following components in percentage by weight: 0.032 to 0.065 percent of C, 2.58 to 4.02 percent of Si, 0.014 to 0.036 percent of Als, 0.021 to 0.043 percent of Mn, 0.0015 to 0.014 percent of Nb, 0.0015 to 0.0084 percent of B, 0.0037 to 0.0081 percent of N and 0.004 to 0.015 percent of S. A large amount of B element is added, a proper amount of BN and other congenital inhibitors can be provided, the situation that primary grains are too large is effectively avoided, meanwhile, boron oxide, boric acid and borate are added into the magnesium oxide additive, an acquired inhibitor can be generated with N, an AlN + BN double-inhibitor system is formed, and the stability of magnetic performance is guaranteed; and the temperature is kept at 910-1005 DEG C for 18-25 hours, so that B is fully diffused and forms a new BN inhibitor with N, and the stability of the magnetic performance is effectively improved.

The invention discloses an electrolyte and a battery. The electrolyte comprises a solvent, a lithium salt and an additive, the solvent comprises acetonitrile and carboxylic ester, the additive comprises a first additive, a second additive and a third additive, the first additive is at least one of phosphate, borate, fluorophosphate and fluoborate with a film-forming potential of 1.3-2V, and the third additive is at least one of lithium salt and fluoborate with a film-forming potential of 1.3-2V. The second additive is at least one of a sulfur-containing additive, a boron-containing additive and a phosphorus-containing additive, and the third additive is a negative electrode film-forming additive; and Y is more than 0.025 and less than 60. According to the invention, a solvent system and an interface film forming mechanism of the electrolyte are synergistically regulated and controlled, so that the core problem of violent side reaction between the acetonitrile-based electrolyte and the negative electrode is solved, and meanwhile, the combination of high energy density and ultrafast charging performance is realized. The electrolyte is suitable for high-energy-density, wide-temperature-range and fast-charging type lithium iron phosphate batteries.

The invention relates to viologen-anthraquinone composite electrochromic liquid and a preparation method thereof, the viologen-anthraquinone composite electrochromic liquid comprises 1.2-2.5 parts by mole of viologen salt, 0.8-1.5 parts by mole of anthraquinone derivative and 8-12 parts by mole of electrolyte; the viologen salt is ethyl viologen tetrafluoroborate or heptyl viologen tetrafluoroborate or octyl viologen tetrafluoroborate; the anthraquinone derivative is 1-ethylamino-4-hydroxy anthraquinone or acid blue 43; the preparation method comprises the following steps: preparing an electrolyte solution; adding purple refined salt and anthraquinone derivatives according to the formula; fully dissolving the electrochromic material to form uniform and transparent initial liquid; and degassing the initial liquid to remove oxygen dissolved in the initial liquid. The electrochromic liquid has the advantages that after the purple refined salt and the anthraquinone derivative are added into the dissolving solution according to the proportion of the formula, the two color-changing materials are jointly dissolved in the electrolyte, and when the two color-changing materials are reduced at the same time, spectrum superposition absorbed by the two color-changing materials can cover the whole visible region, so that black and white switching of the electrochromic liquid is realized, and the use effect is good.

The invention provides an anti-radiation fiber and a preparation method and application thereof, and belongs to the field of chemical fibers.The preparation method of the anti-radiation fiber comprises the following steps that a polymer spinning precursor solution is prepared; mixing the tungstate solution and the acidic bismuth salt solution to obtain a binary metal salt mixed solution; sequentially dropwise adding a dispersing agent and a reducing agent into the binary metal salt mixed solution for reaction in an inert gas atmosphere; then adding a borate solution, stirring, centrifugally washing, drying and grinding to obtain ternary metal nano anti-radiation powder; adding ternary metal nano anti-radiation powder into the high polymer spinning precursor solution, and mixing to obtain an anti-radiation mixed spinning solution; and centrifugally spinning to obtain the anti-radiation fiber. Ternary metal nano anti-radiation powder with a specific structure, a specific composition and a nano size is prepared through a step-by-step chemical reduction method, the ternary metal nano anti-radiation powder is blended with a high polymer spinning precursor solution, and the anti-radiation fiber with excellent shielding performance, high tensile strength and good air permeability is obtained through centrifugal spinning.

The invention discloses a special aluminum fixing capacitor for an electronic detonator with ultralow electric leakage characteristic and a preparation method thereof, the capacitor comprises a positive foil electrode, a negative foil electrode, an aluminum foil or an aluminum alloy foil coated with an oxide film on the surface, electrolytic paper and an electrolyte, and the electrolyte can be a phosphate-based electrolyte, a borate-based electrolyte or an organic electrolyte containing high-conductivity salt, and an additive, the preparation method comprises the following steps: slitting positive and negative foils and electrolytic paper, winding the positive and negative foils and the electrolytic paper to form a concentric circle, forming a repair oxide film, dipping a conductive polymer material, baking and polymerizing to form a conductive film, injecting a pouring sealant into an aluminum shell, and carrying out heat treatment to obtain the conductive aluminum shell. The formation liquid is ammonium dihydrogen phosphate, ammonium adipate or boric acid aqueous solution, and the pouring sealant is epoxy resin or polyurethane; the capacitor has an ultra-low electric leakage characteristic, is suitable for being used as a power supply energy storage element in an electronic detonator system, stabilizes power supply output and inhibits an electric leakage phenomenon.

The present invention relates to the technical field of thermal insulation materials, and specifically discloses an aerogel composite thermal insulation coating and a preparation method thereof. In the composite emulsion provided by the present invention, the monomer raw materials are selected from 4-vinylphenylboronic acid, styrene, and acrylate. The polystyrene structure and the alkyl long-chain structure of polyacrylate formed by polymerization have strong hydrophobic properties, improving the hydrophobicity of the coating. At the same time, the polystyrene structure can also endow the coating with a certain thermal insulation effect. The boric acid groups in 4-vinylphenylboronic acid form a B-O-B cross-linked network structure at high temperatures, which can form a borate glass layer with zirconia in the modified montmorillonite, improving the density and thermal stability of the carbon layer, and further improving the flame retardant effect of the coating. And by modifying the montmorillonite, the hydrophobicity and flame retardant effect of the coating are further improved.

The present application relates to the field of fine chemical industry, and particularly to a preparation method of sodium tetrafluoroborate; the present application uses hydrofluoric acid, boric acid and soda to prepare sodium tetrafluoroborate; the present application uses evaporation, polar organic solvent dissolution, separation, modified polytetrafluoroethylene membrane fine filter filtration, cooling crystallization and the like to purify sodium tetrafluoroborate; the present application uses a polytetrafluoroethylene membrane filter core, vinyl guanidine, sodium acrylate, 1-allyl-3-ethyl imidazole tetrafluoroborate, an initiator and deionized water to prepare a modified polytetrafluoroethylene membrane filter core; the modified polytetrafluoroethylene membrane filter core prepared by the present application can effectively improve the purity of sodium tetrafluoroborate; the present application has the characteristics of low cost, simple process, low toxicity and environmental friendliness; the present application has mild reaction conditions in the preparation process, is easy to operate, has low energy consumption and high product purity.

The invention discloses environment-friendly metal cutting oil with high bearing capacity and high wear resistance, and belongs to the technical field of metal cutting fluid. The cutting fluid is composed of diisooctyl sebacate, a phosphate amine salt extreme pressure additive, a borate additive and a sulfurized extreme pressure additive, the sulfurized extreme pressure additive is sulfurized fatty acid ester and dialkyl pentasulfide (Rc2540), and the addition amount of the phosphate amine salt extreme pressure additive is 0.12-0.80% of the weight of base oil; the addition amount of the borate additive is 0.05-1.45% of the weight of the base oil, the addition amount of the sulfurized fatty acid ester is 0.10-0.85% of the weight of the base oil, and the addition amount of the dialkyl pentasulfide (Rc2540) is 0.20-0.85% of the weight of the base oil. The bearing capacity (Pb) of the cutting oil can reach more than 920N, and the diameter (Db) of a low-load long grinding scar can be less than 0.35 mm.

An electrolyte, a battery cell, a battery and an electrical apparatus, belonging to the technical field of batteries. Fluorophosphate and / or borate is added into an electrolyte containing a low-viscosity solvent, and due to low LUMO energy levels, the fluorophosphate and the borate readily accept electrons and undergo reduction after being added into the electrolyte, so as to form a stable SEI film on the surface of a negative electrode active material, thus blocking contact between the low-viscosity solvent and the surface of the negative electrode active material, reducing the reduction of the low-viscosity solvent, and inhibiting further side reactions on the negative electrode sheet side. Meanwhile, the fluorophosphate and the borate can be combined with metal ions on the surface of a positive electrode active material to form ionic bonds, such that the phenomenon of surface overdelithiation of the positive electrode active material is reduced, thus effectively reducing structural damage to the positive electrode active material, and reducing side reactions between the electrolyte and the positive electrode sheet side. Reducing side reactions between electrolytes and both the negative electrode sheet side and the positive electrode sheet side is conductive to the service life of batteries.

The invention relates to the field of adhesives, and discloses a dialdehyde lignin and dialdehyde protection lignin adhesive as well as a preparation method and application thereof. The method comprises the following steps: adding a dialdehyde solution and acid into the wood biomass and 1, 4-dioxane, and reacting at 75-95 DEG C for 3-7 hours; carrying out solid-liquid separation to obtain a liquid component, adjusting the pH value, and adding the liquid component into water; and carrying out solid-liquid separation to obtain a solid component, and cleaning and drying to obtain the dialdehyde lignin. The preparation method comprises the following steps: dissolving gelatin in an alkali solution, adding borate, nano-hydroxyapatite and dialdehyde lignin, and uniformly dispersing to obtain the dialdehyde protected lignin adhesive. The plywood prepared from the adhesive shows excellent mechanical properties, the wet strength of the plywood is larger than or equal to 1.0 MPa and the dry strength of the plywood is 2.2 MPa under the hot pressing condition of 120 DEG C, the flame retardant property, the heat stability and the moisture-proof stability of the plywood are remarkably improved, and the plywood further has the good mildew-proof characteristic.

The invention relates to the technical field of thermal insulation materials, in particular to a high-temperature-resistant aerogel composite material and a preparation method thereof. The high-temperature-resistant aerogel composite material is prepared from the following components in parts by weight: 15 to 35 parts of reinforced fiber matrix, 43 to 65 parts of silicon-aluminum-zirconium ternary aerogel network, 3 to 12 parts of functional nano filler, 2 to 8 parts of zinc borate flame-retardant component and 0.5 to 2 parts of surface hydrophobic modified layer. Wherein the reinforced fiber matrix is composed of aluminum silicate fibers, silicon carbide fibers and aluminum oxide nanofibers; the molar ratio of silicon to aluminum to zirconium in the silicon-aluminum-zirconium ternary aerogel network is 5: 2: 1; the functional nanofiller comprises aluminum oxide nanoparticles, titanium oxide nanoparticles, carbon nanotubes and boron nitride nanosheets; the zinc borate flame-retardant component is zinc borate; the surface hydrophobic modification layer comprises an inner methyltrimethoxysilane modification layer and an outer hexamethyldisilazane modification layer. The high temperature resistance and thermal shock resistance of the material are remarkably improved, a low-energy-consumption preparation process is adopted, and the material has excellent comprehensive performance.

The present invention relates to the technical field of cable preparation, and in particular to a low-temperature-resistant, flame-retardant, and UV-resistant PVC cable sheath composition, a preparation method thereof, and a cable. The composition is based on polyvinyl chloride, supplemented with a chlorinated polyethylene elastomer, an environmentally friendly plasticizer, and a calcium-zinc stabilizer, and introduces nano-magnesium hydroxide, zinc stannate, passivated zinc borate, sodium tungstate, and modified montmorillonite to form a multi-component synergistic flame retardant system, which significantly improves the flame retardancy, low smoke properties, and thermal stability of the material. At the same time, through the synergy of ultraviolet absorbers and antioxidants, the weather resistance and service life of the material are enhanced. The prepared cable sheath material has excellent low-temperature flexibility, flame retardant and smoke suppression properties, and ultraviolet aging resistance, and is suitable for high-performance cable applications in harsh environments.

The invention provides a polymer electrolyte, a secondary battery and a preparation method of the polymer electrolyte and the secondary battery. The non-aqueous electrolyte comprises an organic solvent, an electrolyte salt, a borate derivative with the mass fraction of 0.1%-15%, a sulfonyl-containing cross-linking agent A with the mass fraction of 0.1%-4%, a cross-linking agent B at least containing three carbon-carbon double bonds and an initiator, the mass ratio of the cross-linking agent B to the cross-linking agent A is (1-100): 1, the mass fraction of the borate derivative is 0.1%-15%, the mass fraction of the sulfonyl-containing cross-linking agent A is 0.1%-4%, and the mass fraction of the initiator is 0.1%-1%. The mass ratio of the sum of the mass of the borate derivative, the cross-linking agent A and the cross-linking agent B to the mass of the initiator is (1000-20): 1. The polymer electrolyte provided by the invention has high ionic conductivity, can improve the safety performance of a battery in a high proportion state, and can maintain good cycle performance at the same time.

The invention relates to a ceramic polyolefin insulating fire-resistant cable and a preparation method thereof. The cable comprises a conductor, a ceramic polyolefin insulating layer and an outer sheath. The conductor is coated with the ceramic polyolefin insulating layer, the ceramic polyolefin insulating layer is made of matrix resin and a ceramic additive, and the ceramic additive is a mixture of silicate filler, aluminate filler and borate filler. The mass ratio of the silicate filler to the aluminate filler to the borate filler in the ceramization auxiliary agent is (70-80): (15-25): (5-10). And the outer sheath is coated on the ceramic polyolefin insulating layer. The single-layer structure of the ceramic polyolefin insulating layer has the functions of insulation and fire resistance, a traditional mica tape wrapping process is omitted, the production process is greatly simplified, the efficiency is improved, meanwhile, the problems that due to the fact that inorganic materials such as mica tapes are high in hardness, the overall flexibility of the cable is poor, and installation and laying are not facilitated are solved, and the material cost is reduced.

The invention belongs to the technical field of colloidal gold immunochromatography test strips, and particularly relates to an enhanced colloidal gold immunochromatography test strip pretreatment solution and a preparation method thereof.The pretreatment solution comprises a sample pad pretreatment solution and a conjugate pad pretreatment solution, and the sample pad pretreatment solution comprises trehalose, Tween 20, BSA, a Proclin300 preservative and a borate buffer solution; the conjugate pad pretreatment solution comprises trehalose, Tween 20, BSA, PEG20000, a Proclin300 preservative, polyvinyl alcohol, chitosan and a borate buffer solution, and the enhanced colloidal gold immunochromatography test strip pretreatment solution can enhance the binding force between an antibody on the conjugate pad and colloidal gold while improving the permeability and diffusivity of a sample pad, and maximally maintain the activity of the antibody; and the detection sensitivity and accuracy are always kept at excellent levels, so that the overall performance of a colloidal gold immunochromatography detection product is improved.

The invention belongs to the technical field of chemical production, and discloses an ionic liquid dissolving agent mixture as well as a preparation method and application thereof. The ionic liquid dissolving agent mixture is prepared from the following raw materials: modified long-carbon-chain imidazole tetrafluoroborate, modified long-carbon-chain imidazole long-carbon-chain anion salt, betaine salt, imidazole acetate, imidazole haloid, imidazole bis (fluorosulfonyl) imide salt, imidazole hexafluorophosphate, imidazole long-carbon-chain anion salt and quaternary ammonium long-carbon-chain anion salt. And pyridine halogen salts. When the ionic liquid dissolving agent mixture is used for dissolving PE powder and PP powder, a dichloromethane extracting agent can be replaced with water, cyclic utilization of the ionic liquid can be achieved, an original high-investment tail gas treatment device is eliminated, cost reduction and efficiency improvement are achieved for the industry, and meanwhile the performance of PE and PP diaphragms can be improved.

An environmentally friendly metal cutting oil with high load-bearing and high wear resistance, belonging to the technical field of metal cutting fluids. The cutting fluid is composed of diisooctyl sebacate, phosphate amine salt extreme pressure additives, borate series additives and sulfurized extreme pressure additives, the sulfurized extreme pressure additives are sulfurized fatty acid esters and dialkyl pentasulfide (Rc2540). The load-bearing capacity (Pb) of the cutting oil can reach more than 920N, and the low-load long-wear wear spot diameter (Db) can be less than 0.35 mm.

The invention discloses 5-hydroxymethylfurfural and a preparation method thereof, and belongs to the technical field of chemical engineering. The preparation method comprises the following steps: reacting a homogeneous aqueous solution containing fructose, inorganic salt and an acid catalyst in a multi-kettle series reactor to obtain the 5-hydroxymethylfurfural, the inorganic salt is selected from at least one of halogen compounds, borides, silicate, aluminate, phosphate and borate; the acidic catalyst comprises at least one of water-soluble acids. The specific inorganic salt and the specific acid catalyst are added and can play a synergistic role, the reaction is carried out under multi-kettle series connection, the backmixing degree of the reaction materials in the reactor is maximized, side reactions can be effectively controlled, black rot is avoided, the reaction production efficiency and conversion rate are effectively improved, the reaction selectivity is improved, and the method is suitable for industrial production. And the equipment maintenance and labor cost is greatly reduced.

The invention discloses a refining impurity cleaning and removing process for secondary copper, which comprises the following steps: (a) pretreatment melting: melting a secondary copper raw material to form copper liquid, and controlling the temperature to be 1150-1250 DEG C; (b) oxidizing and slagging: introducing oxygen-containing gas into the copper liquid for 20-40 minutes to oxidize impurity elements to form scum; according to the refining impurity cleaning and removing process for the secondary copper, As and Sn are converted into high-valence oxides through oxidation, then a low-melting-point borate slag system is formed through borax in the composite flux, and efficient trapping of impurities is achieved. The mass transfer process is enhanced, flux agglomeration is avoided, and the impurity removal rate is increased by 30% or above. The borax / calcium fluoride combination significantly reduces the melting point of the slag system (actually measured lt; and the lead and tin removal efficiency is improved.

The invention discloses application of 2-aminoethoxy diphenyl borate (2-APB) in preparation of a medicine for improving endometrial receptivity and treating diseases related to the endometrial receptivity, and belongs to the technical field of biological medicine. A large number of experiments prove that 2-APB specifically activates a TRPM6 channel, enhances calcium ion influx and activates a calcium-dependent CaM-CaMKII-Ecadherin signal axis, so that expression of receptivity markers (such as E-cadherin and ICAM-1) is up-regulated, and endometrial receptivity is improved. The problems of poor targeting property and high toxicity of the traditional calcium ion carrier are solved, and a safe and effective treatment strategy is provided for a patient suffering from repeated implantation failure (RIF).

Aiming at the problems that the high-temperature stability of an existing nickel-zinc battery is reduced and the cycle life of the battery is shortened due to hydrogen evolution reaction or zinc corrosion, the invention provides the electrolyte for the nickel-zinc battery and the nickel-zinc battery thereof. The electrolyte for the nickel-zinc battery comprises a first additive and a second additive, the first additive comprises borate, and the second additive comprises one or two of villiaumite and chlorine salt. According to the electrolyte for the nickel-zinc battery provided by the invention, the first additive can form a barrier structure on a zinc negative electrode interface, and the first additive and the second additive are synergistic, so that the stability of the zinc negative electrode interface can be enhanced, a stable interface film is formed on the negative electrode interface, and side reactions such as hydrogen evolution reaction or zinc corrosion are inhibited; therefore, the cycle life of the battery is prolonged, and the high-temperature performance and the safety performance of the battery are improved.

The present disclosure provides a non-aqueous electrolyte and a lithium secondary battery including the same. The non-aqueous electrolyte of the present disclosure includes a lithium salt, an organic solvent, and an additive. The additive includes a cyclic borate-based compound so as to prevent the decomposition of the non-aqueous electrolyte of the lithium secondary battery in a high-power environment that could lead to negative electrode degradation, or to further improve low-temperature high-rate discharging characteristics, high-temperature stability, overcharging prevention, and high-temperature battery expansion suppression effects

The invention relates to a battery monomer, a battery device and a power utilization device, the battery monomer comprises an electrode assembly and an electrolyte, the electrode assembly comprises a positive pole piece, an isolating membrane and a negative pole piece, and the positive pole piece comprises lithium-containing phosphate with an olivine structure; the electrolyte comprises a linear carboxylic ester solvent, a cyclic carbonate solvent and an additive, wherein the viscosity of the linear carboxylic ester solvent at normal temperature is 0.4 mPa.s to 0.6 mPa.s; the cyclic carbonate solvent comprises at least one of ethylene carbonate and propylene carbonate; the additive comprises at least one of a borate additive, a sulfonate additive, a silane-based additive and an unsaturated ester additive, and the unsaturated ester additive comprises one or more of vinylene carbonate, vinylethylene carbonate, allyl ethyl carbonate and a fluoro-carbonate additive. And the mass content of the additive in the electrolyte is 0.5-6%. According to the invention, rapid charging and use reliability of the battery can be considered.