435 results about "Ether solvent" patented technology

The invention relates to the field of lithium metal batteries, and provides a lithium metal battery, a manufacturing method thereof and electric equipment, which are at least beneficial to improving the interface stability and safety of the lithium metal battery. The manufacturing method comprises the following steps: preparing an initial battery cell, injecting a first electrolyte into the initial battery cell, and then carrying out a first formation process, the first electrolyte comprising the following components: 8-23 wt% of a lithium salt, 0.01-5 wt% of carbon dots, 0.1-10 wt% of lithium nitrate and an ether solvent; a second formation process is carried out after a second electrolyte is injected into the initial battery cell, the second electrolyte comprises the following components: 8-23 wt% of a lithium salt, 5-40 wt% of a film-forming additive and an ionic liquid, and the ionic liquid comprises pyrrolidinium cations.

The invention discloses a photoresist stripping liquid composition and application thereof, and the photoresist stripping liquid composition comprises the following components by mass: 10-40wt% of an alcohol ether solvent, 10-40wt% of a solvent, 10-40wt% of a solvent, 10-40wt% of a solvent, and 10-40wt% of a solvent. 20 wt% to 50 wt% of a polyol solvent; 0.5 wt% to 10 wt% of an alkanolamine compound; 0.02 wt%-2 wt% of a metal corrosion inhibitor; 0.01 wt% to 1 wt% of a surfactant; 0.01 wt%-1 wt% of an auxiliary additive; and the balance of water. According to the invention, the octanol / water partition coefficient of the mixed solvent of the alcohol ether solvent and the polyhydric alcohol is limited, so that the dissolving capacity of the stripping liquid to photoresist is improved, the service life of the stripping liquid is prolonged, and the stripping liquid is easy to wash and remove and less in residual quantity; in addition, the organic acid metal corrosion inhibitor and the metal inhibitor in the photoresist stripping liquid composition are matched with each other, so that the photoresist stripping liquid composition can be compatible with copper and aluminum processes, and corrosion of the photoresist stripping liquid composition to a metal layer is reduced.

The invention provides a hole transport layer precursor solution, a hole transport layer, a preparation method and application of the hole transport layer, and a perovskite cell, and belongs to the technical field of hole transport layers. The hole transport layer precursor solution comprises a self-assembled single molecule and an organic solvent; the organic solvent comprises a solvent A, a solvent B and a solvent C; the solvent A comprises more than one of a phosphate ester solvent and an alcohol ether solvent; the solvent A contains four hydrogen bond receptors; the boiling point of the solvent A is 215-290 DEG C; the solvent B comprises more than one of ethanol, isopropanol, normal propyl alcohol, butanol, ethylene glycol and N, N-dimethylformamide; the solvent C comprises more than one of ethyl acetate and normal hexane. A ternary hydrogen bond network is formed through the solvent A, the solvent B and the solvent C, the agglomeration degree of SAM molecules is remarkably reduced, and the device performance is improved.

The invention discloses a photoresist stripping liquid composition as well as a preparation method and application thereof, and relates to the technical field of photoresist stripping materials. The amide solvent is added, and the Hansen solubility parameter delta of the amide solvent is controlled to be close to the range of the solubility parameter of the photoresist, so that the capacity of the photoresist stripping liquid composition for dissolving the photoresist is maximized. Meanwhile, due to the existence of the amide solvent, the alcohol ether solvent can be selected from a monohydroxy alcohol ether solvent and a dihydroxy alcohol ether solvent which are mixed for use, so that the washing effect of the photoresist stripping liquid composition is improved. By controlling the octanol / water partition coefficient of the mixed solvent formed by the monohydroxy alcohol ether solvent, the dihydroxy alcohol ether solvent and the amide solvent, the photoresist stripping liquid composition has good photoresist dissolving capacity and washing performance, the service life of the photoresist stripping liquid is prolonged, meanwhile, the photoresist after-tack phenomenon is avoided, and the photoresist stripping liquid composition is suitable for being used in the field of photoresist stripping. And the yield of the material manufacturing process is improved.

A method for producing an aromatic heterocycle-substituted difluoroacetic acid derivative having a partial structure represented by the formula (III), by reacting an N-oxido aromatic heterocyclic compound having a partial structure represented by the formula (I) with tetrafluoroethylene in the presence of a compound represented by the formula (II): R—YH, in a solvent selected from an aromatic hydrocarbon solvent, an ester solvent and an ether solvent:

The invention discloses water-based colored paint for automobiles as well as a preparation method and application of the water-based colored paint. The water-based colored paint is prepared from the following raw materials in parts by weight: 10 to 15 parts of water-based polyurethane dispersion, 5 to 9 parts of water-based hydroxy acrylic acid dispersion, 4 to 8 parts of melamine formaldehyde resin, 2 to 4 parts of color paste, 1 to 2 parts of aluminum paste, 2 to 3 parts of pearlescent pigment, 15 to 30 parts of deionized water and an organic solvent, the organic solvent comprises 6-8 parts of a high-boiling-point alcohol ether solvent and 2-4 parts of a swelling type solvent. The water-based colored paint for the automobile, provided by the invention, is generally used for coating an outer plate and an inner plate of an automobile body, and can be used for well improving the appearance of a coating film formed by spraying the inner plate and overcoming the problems of gloss loss and the like of the coating film when a static-free compressed air machine arm is used for spraying the inner plate of the automobile body.

The invention discloses a low-concentration ether electrolyte adaptive to a high-voltage high-nickel ternary lithium ion battery, a preparation method of the low-concentration ether electrolyte and the lithium ion battery, and relates to the technical field of batteries. The ether electrolyte comprises a solvent and a solute; the solvent comprises an ether solvent, and is specifically at least one of 4-cyano tetrahydropyran, 2-(tetrahydro-2H-pyran-4-yl) acetonitrile, 2-methoxyacetonitrile, 2-ethyoxyl acetonitrile, 3-methoxypropionitrile, 3-ethyoxyl propionitrile, 3-butoxyl propionitrile, ethylene glycol bis (propionitrile) ether and 3-{2-[2-(2-cyano ethyoxyl) ethyoxyl] ethyoxyl} propionitrile. The ether solvent contains cyano groups, the strong electronegativity of the cyano groups enables the cyano groups to be coordinated with transition metal ions in the ternary material, and the cyano groups are preferentially adsorbed at the interface of the positive electrode material, so that the arrangement of solvent molecules at the interface has directivity, the proportion of ether oxygen bonds and carbon hydrogen atoms in double electric layers is reduced, and the performance of the positive electrode material is improved. And the sites which are easy to generate dehydrogenation reaction in the molecules are far away from the high-voltage positive electrode interface which is easy to generate oxidation reaction.

The invention discloses an electrolyte and a sodium ion battery containing the electrolyte. The electrolyte comprises a sodium salt, an organic solvent and an additive, the organic solvent is an ether solvent; the additive is selected from non-sodium metal salts; the non-sodium metal salt is selected from at least one of a first additive, a second additive or a third additive; wherein the first additive is lithium metal salt; the second additive is magnesium metal salt; the third additive is aluminum metal salt. According to the electrolyte, the electrochemical window of the electrolyte can be improved, and the low-temperature capacity retention ratio and the cycle performance of the electrolyte can be improved.

The invention provides an electrolyte suitable for a lithium negative electrode or a negative-electrode-free lithium battery, a lithium metal battery and a negative-electrode-free battery. The electrolyte comprises a solvent, a diluent and fluorine-containing lithium salt, wherein the solvent is selected from one or more of a linear ether solvent, a cyclic ether solvent and a siloxane solvent, and the linear ether solvent, the cyclic ether solvent and the siloxane solvent optionally have cyano substituent groups; the diluent is selected from one or more of a group consisting of fluoro aromatic hydrocarbon and fluoro alkane. The specific solvent and diluent are used, and the additive is further used, so that the electrochemical stability window and the capacity retention ratio and the lithium deposition efficiency of the battery are remarkably improved.

The invention relates to the technical field of electroplating, in particular to a nickel stripping agent, a preparation method of the nickel stripping agent and a nickel plating layer stripping method. The nickel stripping agent comprises the following raw materials: an oxidizing agent, a complexing agent, a dissolution promoter, a surfactant and a corrosion inhibitor, wherein the mass ratio of the oxidizing agent to the complexing agent to the dissolution promoter to the surfactant to the corrosion inhibitor is (4-15): (3-25): (1-11): (0.01-1): (0.01-5); wherein the oxidizing agent is nitrobenzoic acid; the complexing agent is one or more of 2-amino-2-methyl-1-propyl alcohol, acetylacetone, nitrilotriacetic acid, nitrilotriacetic acid sodium salt, acrylate, sodium gluconate and ethylenediamine hydrochloride; the dissolution promoter is an alcohol ether solvent. According to the nickel stripping agent, the oxidizing agent with relatively low toxicity and a non-toxic or low-toxicity non-volatile complexing system are adopted, nickel can be completely removed, a base material cannot be eroded, and the threat to the health of operators can be remarkably reduced.

The application provides a kind of sodium ion battery with flame-retardant electrolyte, it includes the following components: base electrolyte and functional additives;Wherein, the base electrolyte includes solvent and sodium salt;The solvent includes main solvent and optional secondary solvent;The sodium salt includes main sodium salt and optional secondary sodium salt;The main solvent is phosphorus-containing flame-retardant solvent, the secondary solvent is selected from at least one of carbonate solvent, carboxylic acid ester solvent and ether solvent of non-fluorinated ether;The molar ratio of the phosphorus-containing flame-retardant solvent and sodium salt is 4.2-17:1;The mass fraction of the main sodium salt in sodium salt is 70%-100%;The volume fraction of the main solvent in the solvent is 80%-100%;The mass fraction of the functional additives in the electrolyte is greater than 0 and less than or equal to 5%.The application also provides a kind of sodium ion secondary battery, which includes positive electrode material, negative electrode material and the sodium ion battery with flame-retardant electrolyte of the application.The electrolyte of the application is low in cost, high in safety, and can be compatible with carbon negative electrode.

The present application discloses a battery cell and a preparation method therefor, a battery, and an electric device. The battery cell comprises a positive electrode sheet, a negative electrode sheet, and an electrolyte. The electrolyte comprises a first non-aqueous electrolyte solution close to the positive electrode sheet and a second gel electrolyte close to the negative electrode sheet. The first non-aqueous electrolyte solution comprises a first solvent and a first lithium salt, and the first solvent comprises a nitrile-based solvent. The second gel electrolyte comprises a polymer layer and a second non-aqueous electrolyte solution accommodated in the polymer layer. The second non-aqueous electrolyte solution comprises a second solvent and a second lithium salt, and the second solvent comprises a linear monoether solvent. The battery cell has long cycle life and good rate performance.

The invention relates to the technical field of solar photovoltaics, in particular to a silicon rod crystal support cleaning agent and a preparation method and application thereof. The silicon rod crystal support cleaning agent comprises the following components in parts by mass: 1.5-4.5 parts of a polymeric dispersant, 1-5 parts of an alkaline passivator, 5-8 parts of inorganic alkali, 1-3 parts of an organic alcohol ether solvent and 79.5-91.5 parts of water. According to the silicon rod crystal support cleaning agent, through coordination and cooperation of all the components, the agent can permeate into tiny gaps to react with silicon powder, the silicon powder is dispersed, dirt on the surface of a crystal support can be efficiently and permanently removed, and residues can be removed through rinsing with a small number of times.

The invention belongs to the field of solid-state batteries, and particularly relates to a lithium metal battery, a high-voltage wide-temperature-range gel polymer electrolyte of the lithium metal battery, a preparation method of the high-voltage wide-temperature-range gel polymer electrolyte and application of the high-voltage wide-temperature-range gel polymer electrolyte. The high-voltage wide-temperature-range gel polymer electrolyte is prepared; the composite monomer comprises a monomer 1 and a monomer 2 in a weight ratio of (1-2): (1-2), the monomer 1 comprises a compound as shown in a formula 1 (1), and the monomer 2 comprises a compound as shown in a formula 2 (2); the basic electrolyte comprises a conductive lithium salt and an ester ether solvent, and the conductive lithium salt comprises LiPF6; the ester-ether solvent comprises an ester solvent, a fluorinated ester solvent and hydrofluoroether in a weight ratio of (4-5): (2-3): (2-3). The electrolyte disclosed by the invention can meet the application requirements of high pressure and wide temperature range, and the high-pressure, low-temperature and high-temperature cycling stability of the electrolyte is improved.

The invention belongs to the technical field of new energy materials, and particularly relates to a solid electrolyte material for a lithium battery and a preparation method thereof. The solid electrolyte material for the lithium battery is a polyurethane elastomer and consists of a polyether ion conduction soft segment and an isocyanate crosslinking hard segment, the soft segment is selected from polyether polyol and accounts for 66-90% of the total mass of the polyurethane elastomer; the hard segment is formed by reacting diisocyanate with a chain extender, and accounts for 10-34% of the total mass of the polyurethane elastomer; and the ether solvent is sealed in the soft segment phase by the polymer network. The polyurethane elastomer disclosed by the invention has high ionic conductivity, excellent mechanical property and good interface compatibility, and can be suitable for different types of lithium batteries, such as lithium ion batteries, lithium metal batteries, high-voltage lithium ion batteries and the like; and the preparation process is simple and suitable for large-scale industrial production.

The invention relates to the technical field of preparation of metal powder materials, and discloses a preparation method of surface-coated scaly zinc powder and the zinc powder.The preparation method comprises the five steps of zinc powder pretreatment, coating liquid preparation, surface coating, drying and curing and screening treatment.The high-purity zinc powder is subjected to ball milling to be of a scaly structure; the method comprises the following steps: adding zinc particles into a coating solution, then adding a coating solution formed by fully mixing a silane coupling agent, an organosilicon compound, an antioxidant, a performance enhancer and a water-containing alcohol ether solvent, filtering and separating zinc powder and the coating solution after a compact coating layer is formed on the surfaces of the zinc particles, drying and curing, and finally screening the cured and cooled zinc powder. The method has the effect of improving the oxidation resistance of the zinc powder.

The invention relates to a low-total-chlorine epoxy resin synthesis method, and belongs to the technical field of epoxy resin preparation. The invention provides a low-total-chlorine epoxy resin synthesis method. The low-total-chlorine epoxy resin synthesis method comprises the following steps: carrying out ring-opening reaction on a dihydric phenol compound and epoxy chloropropane in a mixed organic solvent under the action of alkali metal hydroxide; the mixed organic solvent is composed of a ketone solvent and an ether solvent, the ketone solvent is diisobutyl ketone, and the ether solvent is butyl ether and / or a branched ether compound; then carrying out mixed reaction on the system after the ring-opening reaction and an alkali metal hydroxide solution so as to carry out ring-closing reaction on a ring-opening reaction product; and finally, carrying out impurity removal and purification on the system after the ring-closure reaction to obtain the low-total-chlorine epoxy resin.

A bio-electrode composition contains (A) an ionic polymer material, (B) an addition reaction-curable silicone having at least a hydrosilyl group, (C) a platinum-group catalyst, and a solvent. The bio-electrode composition has a water content of 0.2 mass % or less. The solvent includes one or more of an ether solvent, an ester solvent, and a ketone solvent each of which does not contain a hydroxy group, a carboxyl group, a nitrogen atom, or a thiol group. Thus, present invention provides: a bio-electrode composition capable of forming a living body contact layer for a bio-electrode which is excellent in electric conductivity and biocompatibility, light-weight, and manufacturable at low cost, and which does not leave residue on skin after attachment to and peeling from the skin; a bio-electrode including a living body contact layer formed of the bio-electrode composition; and a method for manufacturing the bio-electrode.

The invention discloses a lithium / carbon fluoride battery electrolyte based on an aprotic polar solvent, and belongs to the technical field of lithium / carbon fluoride battery preparation. Based on the discharge characteristic of the lithium / carbon fluoride battery, the electrolyte is designed as a starting point, and an organic solvent formed by mixing an aprotic polar solvent and an ether solvent, a lithium salt and a fluorine ion acceptor jointly form the electrolyte, so that the discharge reaction kinetics of the lithium / carbon fluoride battery is improved by utilizing the regulation and control effect of the aprotic polar solvent. The electrolyte provides a favorable environment for fluorocarbon bond breakage, reduces a discharge reaction energy barrier, can improve a discharge reaction platform, can reduce adverse effects caused by poor conductor lithium fluoride, reduces discharge polarization, and can effectively promote interfacial ion transmission and charge transfer. When the electrolyte is applied to the lithium / carbon fluoride battery, the energy density can be effectively improved.

The invention belongs to the technical field of sodium secondary batteries, and particularly relates to a sodium battery electrolyte and a sodium metal / negative-electrode-free sodium battery, the sodium battery electrolyte comprises the following components: a sodium salt and an ether solvent; the ether solvent is a multi-chain ether solvent or a cyclic ether solvent; wherein the multi-chain ether solvent is chain ether containing a branched chain; according to the invention, the multi-chain ether solvent or the cyclic ether solvent is introduced, and the ability of the multi-chain ether solvent or the cyclic ether solvent to form a multipoint coordination configuration with sodium ions can be hindered on the basis that branched chains in the multi-chain ether and a cyclic structure of the cyclic ether have a relatively large steric hindrance effect, so that the dissociation degree of the sodium salt is slightly reduced, and the dissociation efficiency of the sodium salt is improved. According to the present invention, the sodium ion desolvation difficulty is significantly reduced, the sodium ion rapid desolvation is achieved, and particularly the desolvation advantage in the low temperature environment of-70-60 DEG C is significant, such that the efficient reversible deposition-stripping of the sodium metal at the low temperature is achieved, the formation of the sodium dendrite is avoided, and the application of the sodium metal battery under different environmental conditions is improved.

The preparation method comprises the following steps: according to an Fmoc solid-phase synthesis method, adopting Sieber resin as a solid-phase synthesis carrier, and sequentially coupling to obtain full-protection peptide resin; cutting the fully-protected peptide resin by using a DCM solution of TFA with a volume fraction of 3-5%, filtering to remove waste resin, and concentrating the obtained filtrate into a viscous solid; and adding a cracking reagent into the viscous solid, carrying out cracking, adding an ether solvent after the cracking is finished, carrying out sedimentation, and filtering and drying a precipitate to obtain a crude product of the tilpotide. By adopting the method disclosed by the invention, the use amount of TFA can be reduced by 70%, the use amount of ether as a required settling solvent is also reduced by 90%, precipitated particles are easily filtered by using filter cloth or filter paper, the limitation of the volume of a settling kettle on cracking batches is solved, the problem of solid-liquid separation of settling liquid is solved, the production efficiency is greatly improved, and the production cost is reduced.

The invention belongs to the field of sodium metal batteries, and particularly relates to a sodium metal battery and a high-entropy electrolyte thereof, the electrolyte comprises a high-entropy sodium salt and an ether solvent; the high-entropy sodium salt is a combined sodium salt containing more than four of a sodium salt A and a sodium salt B; wherein the sodium salt A comprises three sodium salts compounded by a formula 1 # imgabs0 # NaBH4 and NaFSI; the sodium salt B comprises at least one of sodium hexafluorophosphate, sodium bis (trifluoromethylsulfonyl) imide, sodium difluoro (oxalato) borate, sodium tetrafluoroborate, sodium nitrate, sodium bis (oxalato) borate, sodium difluorophosphate, sodium silicate and sodium perchlorate. The electrolyte provided by the invention can adapt to the characteristics of a sodium metal battery system, and can meet the application requirements of high magnification and wide temperature range.

The invention belongs to the technical field of lithium ion battery materials, and particularly relates to a method for synthesizing lithium hexafluorophosphate from lithium tripolyphosphate. The synthesis method comprises the following steps: uniformly mixing lithium tripolyphosphate and phosphorus pentoxide in an ether solvent to obtain a first mixture; introducing a mixed gas of hydrogen fluoride and nitrogen into the first mixture, and carrying out a mixed reaction to obtain a second mixture; and carrying out solid-liquid separation on the second mixture, and carrying out reduced-pressure concentration, recrystallization and reduced-pressure drying on the filtrate after solid-liquid separation to obtain lithium hexafluorophosphate. The lithium tripolyphosphate, the phosphorus pentoxide and the hydrogen fluoride are used as raw materials, the hydrogen fluoride gas is uniformly introduced for reaction, the lithium hexafluorophosphate is directly synthesized in the ether solvent, and the method has the advantages of mild reaction conditions, high reaction efficiency, high product purity and high yield. The problems of more byproducts, high cost and the like in the industrial production process of lithium hexafluorophosphate are solved.

The application discloses an EBR solvent and a rectification preparation process thereof, and belongs to the technical field of semiconductor material processing; wherein the EBR solvent comprises the following components in percentage: 95-98% of propylene glycol methyl ether acetate and 2-5% of propylene glyyl methyl ether. The EBR solvent is prepared by rectification recovery of waste liquid generated in a dilution cleaning process, and the main steps are as follows: S1, sedimentation filtration: filtering solid impurities in the waste liquid; S2, preliminary water removal: removing part of water in the filtered waste liquid through a common distillation tank to obtain primary waste liquid raw material; S3, feeding: introducing the primary waste liquid raw material into a rectification tower for intermittent distillation purification; S4, water removal: removing water in the primary waste liquid raw material by using an extractant; S5, extractant reflux; S6, extractant extraction: after the water is removed, the extractant is extracted; and S7, EBR solvent extraction. The application solves the problem that the purity of the effective component EBR solvent in the photoresist cleaning waste liquid is not high, and the recycling effect is poor.

The application discloses a kind of for multi-substrate coating fast-curable water-based acrylic modified epoxy resin emulsion and its preparation method, first by itaconic acid, alcohol ether solvent and bisphenol A type epoxy resin synthesis epoxy adduct intermediate product, then with other acrylic monomer free radical polymerization is formed acrylic modified epoxy resin with this intermediate product, finally using additional epoxy emulsifier by phase inversion method is made water-based acrylic modified epoxy resin emulsion.The emulsion prepared in the application has higher glass transition temperature, has faster surface dry and curing speed, can satisfy the fast curing of coating film on various substrate workpieces, workpiece offline stacking resistance requirements;Side chain contains a certain amount of carboxyl and hydroxyl, can give coating excellent adhesion, realize good adhesion on various substrates;Resin structure contains a certain amount of bisphenol A type epoxy resin, and epoxy-amine curing agent is well compatible after curing, and coating is uniform.

This invention belongs to the field of sodium-ion battery technology, and discloses a wide-temperature-range sodium-ion battery electrolyte, its preparation method, and its application. This invention uses dimethyl ether solvents of different chain lengths as the main solvent, and matches ether diluents and film-forming additives to prepare a sodium-ion battery electrolyte capable of operating in a wide temperature range of -40 to 60°C. This type of electrolyte exhibits a low freezing point and high thermal stability. Furthermore, the solvent-solvent interactions between the ether diluents and different dimethyl ether solvents in the system weaken the sodium... + The interaction between the sodium ion and the dimethyl ether solvent improves sodium ion dynamics; furthermore, the anion enters the solvation structure and participates in the construction of a stable interface, achieving high rate and high cycling stability.

To provide means to produce glycolaldehyde dialkyl acetal in high yield.SOLUTION: A production method includes a glycolaldehyde formation step of converting paraformaldehyde to glycolaldehyde in an ether type solvent in the presence of an N-heterocyclic carbene catalyst, and an acetalization step of treating the glycolaldehyde with an alcohol solution of hydrogen chloride to obtain glycolaldehyde dialkyl acetal. The glycolaldehyde formation step and the acetalization step are performed in a single container.SELECTED DRAWING: None

The invention belongs to the technical field of solar cells, and relates to an ultraviolet protection liquid for a perovskite solar cell module and application thereof, the ultraviolet protection liquid for the perovskite solar cell module comprises an ultraviolet curing adhesive and an organic solvent; the organic solvent comprises a solvent A and a solvent B, the solvent A comprises an aromatic hydrocarbon solvent, the solvent B comprises any one of a ketone solvent, an ether solvent or an aliphatic hydrocarbon solvent, and the viscosity of the ultraviolet protection liquid is 500-800 mPa.s. According to the ultraviolet protection liquid disclosed by the invention, the ultraviolet curing adhesive and two different organic solvents are matched, the viscosity is low, and a film can be quickly formed under the conditions of low temperature and low power, so that the influence of high temperature, high ultraviolet curing power and long-time ultraviolet curing on a functional layer in the preparation process is avoided; the light transmittance is high, the film forming quality is high, in addition, the negative effect on normal use of the assembly is avoided, and the long-term operation stability and the photoelectric property of the assembly are improved.

The application discloses an adsorbent for removing trace metal ions in alcohol ether solvents and a preparation method and application thereof, and belongs to the field of chemical separation technology. The adsorbent is a zirconium-based metal organic cage material with discrete structure formed by coordination self-assembly of a zirconium metal salt and a nitrogen-containing polycarboxylic acid organic ligand. The adsorbent has specific ion nanowells, and can form a strong limited synergistic effect with metal ions. The adsorbent is suitable for adsorption and separation of trace metal ions in various alcohol ether solvents, and has high metal ion adsorption and removal efficiency.

The invention provides a lithium metal battery and a manufacturing method thereof, an energy storage system and electric equipment, which are beneficial to improving the performance of the lithium metal battery. The method comprises the following steps: providing a positive plate, a negative current collector and a diaphragm; winding or laminating the positive plate, the negative current collector and the diaphragm, and putting into a shell to form an initial battery cell; a first electrolyte is injected into the initial battery cell, the first electrolyte comprises a lithium salt, lithium nitrate and a solvent, the solvent at least contains 70 wt% or above of a short-chain ether solvent, and the number of carbon atoms of the short-chain ether solvent is smaller than or equal to 6; performing a first formation process on the initial battery cell; a second electrolyte is injected into the initial battery cell in a pulse type liquid injection mode, the second electrolyte comprises a lithium salt, 1, 1, 2, 2-tetrafluoroethyl-2, 2, 3, 3-tetrafluoropropyl ether and a solvent, and the molar concentration of the lithium salt in the second electrolyte is larger than that of the lithium salt in the first electrolyte; and performing a second formation process on the initial battery cell to form the lithium metal battery.