SEPARATION MEMBRANE COMPRISING COATING LAYER, MANUFACTURING METHOD THEREOF, AND BATTERY USING SAME

Hereinafter, . as further described relative to the present invention. The present specification is not described of the present invention the contents is a classic mirror server, in particular in the fields of art or similar sufficiently recognize and deducing the graphitic surface can be ., which does not require a an annealing process is the explanation.

One embodiment of the present invention: an of a dump truck polyolefinic film and said polyolefinic film on one side or both sides of the coating layer may include.

The present embodiment the first deoxygenator 25 to 28 °C isolation the of a dump truck, relative humidity 60 to 70% in the moisture content of the wheel, a fluid consumption can be size 72 can be 1000 PPM hereinafter. More particularly said water content in the isolation may be 800 PPM hereinafter, can be for example 600 PPM hereinafter. Said moisture content in the isolation within the range is laminated in the transistor circuit, for preventing the degradation of a catalyst in a cell can be electrolyte, cathode SEI for reducing the degradation of positive electrode active material for film and can be, improve the performance and life of a cell can be.

Said method for measuring moisture content in the isolation is not limited which the first substrate are assembled, include, but not limited to, an: coating isolation time of a steam heater and then (after fabrication packing it, if an built in a torque converter a package), 28 °C to 25 °C, 72 70% to 60% relative humidity under conditions total to the vial capping heating and hot-storage time 0.5 g to 1.0 g (Thermoprep). is loaded isolation [...]. 860 KF ([...] yarn) to 150 °C translations and slid caprolactam bi said heated to 10 minutes by Fischer knife [...] 831 KF (coulometer) ([...] yarn) by a measure of moisture for a automatic measuring a moisture content value (X PPM).

Furthermore, the present embodiment: an of a dump truck, temperature 25 to 28 °C, relative humidity 60 to 70% of the composition is left for additional time 72 in moisture's growth rate can be 10% hereinafter. Specifically may be 8% hereinafter, more particularly 6% hereinafter may be, for example, less than 0% can take the node on a minus value. The present embodiment: an of a dump truck in the isolation moisture re-absorption rate is lowered, the high humidity under conditions of separation membranes in additional decreases the re-absorbed moisture. In particular, moisture content growth rate when value is negative, high-humidity conditions even after the composition is left for in moisture re-absorption by suppressing moisture cell and corresponding to the shape of the antenna. Said moisture the 28 °C to 25 °C such as, 72 70% to 60% relative humidity under conditions in the isolation heating and hot-storage time, referred to as X PPM and moisture content of the, lower and this adamantane is stored at said conditions for later the separator, 28 °C to 25 °C, 72 70% to 60% relative humidity under conditions additional time after from the cell compartment, referred to as Y PPM a moisture content measured when, calculating a long-term preservation can be 1. Specifically, said 25 °C conditions, can be 65% relative humidity.

[Type 1]

Moisture growth rate (%) = [(Y-X)/ X] × 100

Separation membranes further according to said embodiment, after the composition is left for 120 °C in machine direction of 1 time (Machine Direction, MD) or direction normal to rolling direction is not thermal contraction to (Transverse Direction, TD), each 10% hereinafter, specifically 8% hereinafter, can be 7% hereinafter more specifically. Said within the range, electrode of the cell with the detachment of efficiently preventing in which safety is enhanced contact point is turned off.

A heatable measuring said two patterns of the first confirmation, if the limited to, extracts of Barks of the method, a commonly used in various technical fields of the present invention, use can be made of, method. A heatable measuring the two patterns of the first method, but not limited to, an include: separation membranes prepared the gate (MD) about 5 cm × about 5 cm and altar sized longitudinal (TD), 1 (chamber) in chamber 120 °C same time then from the cell compartment, two patterns of the first said direction and MD TD of calculating a heatable form a hydrothermal a measure of the degree to which can be carried through in such a way that.

Separation membranes further according to said embodiment, sheet having a tensile strength of direction MD 1,300 kgf/cm² at least, of tensile strength direction TD 1,100 kgf/cm² at least. Specifically, sheet having a tensile strength of direction MD 1,400 kgf/cm² to 2,100 kgf/cm² and, of tensile strength direction TD 1,200 kgf/cm² to 2,000 kgf/cm² can be. More specifically, sheet having a tensile strength of direction MD 1,500 kgf/cm² to 1,800 kgf/cm² and, of tensile strength direction TD 1,300 kgf/cm² to 1,700 kgf/cm² can be.

Said isolation method for measuring the tensile strength of the confirmation, if the limited to, extracts of Barks of, a commonly used in various technical fields of the present invention, use can be made of, method. For measuring the tensile strength of said isolation method, but not limited to, an include: separation membranes prepared the gate (MD) 10 mm × longitudinal (TD) 50 mm rectangular-formed at the point of two different 10 10 a to tailor region and a and then two, each said UTM specimen (tension tester) to 20 mm length to a DC through the converter so that said specimen after physical MD average direction TD direction and pulled for measuring the tensile strength can be carried through in such a way that.

Separation membranes further according to said embodiment, pricking strength 400 gf or more, for example, . surface may be in the range of 590 gf to 410 gf.

In hereinafter, resultant structure in order to one embodiment of the present invention the first deoxygenator includes polyolefinic films and coatings. specifically, layer.

Base film isolation to be used for isolation is generally limited to, extracts of Barks of if perception, secondary separator for battery shutdown in the case of (shut down) function may be used in film, specifically, polyolefinic film and corresponding to this, the present embodiment the first deoxygenator can be the porous polyolefinic film. Said polyolefinic film, but not limited to, an, for example, straight polyethylene monolayer film, polypropylene homopolymer film, double layer polyethylene/polypropylene, polypropylene/polyethylene/polypropylene triple film and polyethylene/polypropylene/polyethylene triple film selected from the group consisting of can be uses a separation membrane.

Polyolefinic film said polyolefin resins used as the glass panel can be. Said polyolefin resin composition consisting of only a or at least one polyolefin resin 1, 1 one or more polyols pin orgin resin, used instead the memory device stores a resin and/or inorganic materials can be mixed composition including.. Said polyolefin resin for example, but not limited to polyethylene (Poly ethylene, PE), polypropylene (Polypropylene, PP), polybutylene (Polybutylene, PB), polyisobutylene (Polyisobutylene, PIB) or-4-methyl-1-pentene (methyl-1-pentene-Poly-4, PMP) as to the aromatic hydrocarbon. They are 2 be used alone or in at least one can be used is mixed with a, or mixture of them on the copolymer polyolefin resin, use can be made of,. Specifically, weight average molecular weight is less than 1,000,000 g/mol (Mw), for example less than 100,000 g/mol to 1,000,000 g/mol, high density polyethylene (High Density Polyethlylene; HDPE) or weight average molecular weight of 1,000,000 g/mol or more during ultra high molecular weight polyethylene (Ultrahigh Molecular Weight Polyethylene, UHMWPE) may be used in at least one 1, in accordance with the purpose to a polyolefin resin with a weight average molecular weight can be controlling the content. Said used instead the memory device stores a resin for example, but not limited to polyamide (Polyamide, Pa), polybutylene terephthalate (Polybutylene terephthalate, PBT), polyethylene terephthalate (Polyethyleneterephthalate, PET), poly claw lot ripple base Oro ethylene (Polychlorotrifluoroethylene, PCTFE), polyoxymethylene (Polyoxymethylene, POM), poly [...] (Polyvinyl fluoride, PVF), polyvinylidene fluoride-(Polyvinylidenefluoride, PVdF), polycarbonate (Polycarbonate, PC), polyarylate (Polyarylate, PAR), polysulfone (Polysulfone, PSF), polyether-imide (Polyetherimide, PEI) as to the aromatic hydrocarbon. They are 2 be used alone or in at least one can be used by mixing. Of inorganic plastic said example, but not limited to, alumina, calcium carbonate, silica, barium sulfate or where desired as to the aromatic hydrocarbon talc is used alone or is used in the at least one 2, use can be made of, by mixing. Furthermore, the present embodiment a film used for composition based resin composition and preparation method a polyol, content and thickness which is not limited especially, according to the set object can be properly controlled.

Said coating layer on one side or both sides of film can be formed. The present embodiment the first deoxygenator for securing sacrificial electrode coating layer thereon in binder and for the inorganic particles may include.

Thickness one side of the coating layer may be 0.1 to 10 micro m which, specifically 1 to 5 micro m can be. Entire separator thickness of said thickness within the range and prevent it from too thick the stability of the cell with the an increase in internal resistance is suppressed. Method for measuring the thickness of an coating layer is divided by the barrier rib limited, for example, but not limited to micro Image and SEM (Cross section). using caliper. Said thickness range of thermal stability by forming a coating layer the second, an increase in internal resistance of cell is suppressed.

Hereinafter, the present embodiment the first deoxygenator binder contained in the coating layer, inorganic particle, . specifically,.

Is. Binder

The present embodiment used for an organic binder may be a binder, homopolymer or 2 at least a monomer which is species can be is a copolymer that is formed. For example, fluorine-containing binder; acrylate binder; nitrile binder; poly purpose: a vinyl binder; polyester type binder; poly oxide-based binder; cellulosic binder; cyano roh orgin binder; sevoflurane binder ;, use can be made of, such as.

Specifically, polyvinylidene fluoride-(polyvinylidenefluoride), polyvinylidene fluoride-propylene-hexafluoropropane (polyvinylidenefluoride-hexafluoropropylene, PVDF-HFP), polyvinylidene fluoride-tri-chloro ethylene (polyvinylidenefluoride-trichloroethylene, PVDF-TCE), polyvinylidene fluoride--chloro with tree flow ethylene (polyvinylidenefluoride-chlorotrifluoroethylene, PVDF-CTFE) such as fluorine-containing binder; polymethyl (metadata) acrylate (polymethylmethacrylate, PMMA), poly butyl (metadata) such as (polybutylmethacrylate PBMA) acrylate polymer, acrylate monomers and their chemical side group is copolymerized with monomer acrylate such as copolymers formed binder; binder nitrile such as (polyacrylonitrile PAN) polyacrylonitrile; polyvinyl pyrrolidone (polyvinylpyrrolidone, PVP), polyvinyl acetate (polyvinylacetate, PVAc), polyvinyl alcohol (polyvinylalcohol, PVA), polyethylene vinyl acetate copolymer (polyethylene-co-vinylacetate, PEVA) such as diethylene glycol monobutyl binder; polyarylate (polyarylate, PAR) such as polyester type binder; polyethylene oxide (polyethyleneoxide PEO), polypropyleneoxide polyol (polypropyleneoxide PPO) such as oxide-based binder; cellulose acetate (cellulose acetate, CA), cellulose a denaturant antibiotic non butyl rate (cellulose acetatebutyrate, CAB), cellulose acetate propionate (cellulose acetate propionate, CAP), carboxyl methylcellulose which has been milled to a binder of cellulose, such as (carboxyl methyl cellulose, CMC); cyanoethyl sevoflurane (cyanoethylpullulan, CYEPL), cyanoethyl polyvinyl alcohol (cyanoethylpolyvinylalcohol, CRV), cyanoethyl cellulose (cyanoethyl cellulose, CEC), cyanoethyl sucrose (cyanoethyl sucrose, CRU) roh orgin cyano such as binder; and binder column total pullulan such as pullulan (pullulan); from the group consisting of value can be selected, they are 2 be used alone or in at least one can be used is mixed with a.

Furthermore, said acrylate binder methyl (metadata) acrylate and butyl (metadata) at least one 1 during acrylate copolymer are polymerized from monomers, or methyl (metadata) acrylate, butyl (metadata) acrylate, and chemical side group is copolymerized with monomer is a copolymer that is formed from, or acrylate monomers and one or more vinyl acetate monomer is copolymerized copolymer, use can be made of,. Specifically, butyl (metadata) copolymer of acrylic, or butyl (metadata) acrylate, methyl (metadata) acrylate, vinyl acetate and 1 with the reel acetate which will know least selected from a group consisting of a copolymer of one or more monomer may be used in, more particularly, butyl (metadata) acrylate, methyl (metadata) acrylate and vinyl acetate and copolymerized 3 won, use can be made of, copolymer.

A binder included in coating solution is homo-even (Mw) weight average molecular weight as needed can be different and can is, at least one binder is included 2 a weight average molecular weights in binder layer having the photoresist method based on the purpose of. which may be the same or different. The present in the embodiment in fluorine-containing binder and acrylate binder light from the LED and radiating, use can be made of, the. Specifically fluorine-containing binder: acrylate binder 1 : 0.25 to 1:5 by the inclusion of at a weight ratio of 15:85, said binder in solvent and can be treated with water dispersed as desired, suitable strength and with electrodes resultant structure in order to able to secure adhesion between ultra thin. Specifically, said fluorine-containing binder: acrylate binder the weight ratio of 1:1 to 1: and Wednesday 5, for example, can be 1:1 to 1:1.5.

Said fluorine-containing binder polyvinylidene fluoride-or polyvinylidene fluoride-propylene-hexafluoropropane (polyvinylidenefluoride-hexafluoropropylene, PVDF-HFP) which may be, has a weight average molecular weight of said fluorine-containing binder different 2 may include binder species, specifically weight average molecular weight of less than 1,000,000 g/mol number 1 fluorine-containing binder and 1,000,000 g/mol or more number 2 fluorine-containing binder may comprise an.

More particularly, the present embodiment the first deoxygenator contained in the binder coating layer number 1 fluorine-containing binder: number 2 fluorine-containing binder: 1 acrylate binder: 1-2: wherein the weight ratio of 2-3 may include to. Said embodiment by used for the binder, by reducing the moisture content in the isolation, cell to improve the performance and life of as well as may be, isolation through the use of binder said sufficiently the electrolyte since may be impregnated with, said of automatic loading/unloading of rack, attributed to efficient transformation of the output may provide a cell.

Or. Inorganic particles

With the inorganic particles containing coating layer, if the limited to, extracts of Barks of the kind of used to monitor the art using, use can be made of, inorganic particles of. For example, but not limited to of inorganic particles said Al₂ O₃, SiO₂, B₂ O₃, Ga₂ O₃, TiO₂ or SnO₂ as to the aromatic hydrocarbon. They are 2 be used alone or in mixing at least one can be used, for example, Al₂ O₃ (alumina) that is capable of using optical.

Coating layer in physical forms layer inorganic particles in the coating, and preferably capable of maintaining a one of spacer (spacer) and serves to direct. The cells, and the like layer coated in a course of the assembly process of a glymic solvent; is inorganic particles can be prevented to achieve shape stability, and the second, is sufficiently wide film coating layer surface of the a film are restricted in contraction of as well as electrode surfaces including inner surface of the buried high temperatures excellent in stability contact point is turned off.

Said limited to, extracts of Barks of the size of the inorganic particles or can be realized, average particle diameter 100 nm to 1000 nm and the shaft transfers the, specifically 300 nm to 600 nm can be. said event of the use of a inorganic particles in a size range, dispersibility and of inorganic particles fluid in coating coating fairness is possible to prevent that a coating layer thickness can be can easily and effectively affect a human. Said 95 to 50 within coating inorganic particles may be included in an % weight, for example 90 to 70 weight body is included to the display apparatus %.

In hereinafter, according to one embodiment of the present invention relates to manufacturing method of separation membranes. Specifically, the present embodiment the controller generates a control signal for coating a predetermined coating solution on polyolefinic film of a dump truck after the application the, oil, and it is dried the can be formed.

Said can be the porous polyolefinic film, said a generally unknown the porous film has a can be formed by manufacturing method. , For example, but not limited to, an expanded, dry artworking method wet method is known is, specifically, the present embodiment the first deoxygenator porous film provides the substrate composition for producing the polyolefin-(e.g.: polyolefin resin composition) by extruding a fine pores formed by stretching film can be produced.

Said binder one line alcoholic beverage the coating solution may include and mineral particles, coating having a special limitation cannot method, polymer solution and the binder is distributed inorganic particles each prepared inorganic dispersion, them a suitable solvent and coating solution in such a way that can be produced.

Inorganic polymer solution and said solvent used in fabricating dispersion polymer binder and disposed to be submerged into the molten, inorganic particles if sufficiently distribute the solvent limited to, extracts of Barks of. can be realized.

Inorganic dispersion polymer solution and said additional a solvent (Ball mill) ball mill after mixing, beads mill (Beads mill) or a screw mixer (Screw mixer) sufficiently, for example by growth process is performed by agitating in admixture of coating solution can be produced.

Hereinafter, the present embodiment the first deoxygenator isolation manufacturing method together dispersion and the inorganic polymer solution and in coating solution used to form the such additional with respect to the solvent, so the cladding gives the spherical described.

Solvent

Said inorganic polymer solution and solvent is mixed with dispersion and trillion misfortunes stability may be a solvent capable of, the present in the embodiment number 1 number 2 in solvent and solvent, use can be made of, a large number of comb teeth.

The present embodiment the first deoxygenator degree polarity solvent number 1 and 4 hereinafter, a boiling point of 100 °C hereinafter can be a solvent which is also. Said terms' polarity also ' the solvent and various interaction the six bytes solute polarity then a a relative value by, molecular structure can be is determined according to. Fitness value polarity into the molecular structure of the lower common polarization is increased to thereby cause polarity polar solvent or a polar solute can be the coupling between a.

Said terms' boiling point ' ST91, ST92 boiling point, can be used, according to temperature rise, and enhance the compressor includes a the steam in corresponding solvent (e.g.: atmospheric pressure = 1) when an external pressure pressure is equal to the fundamental save within the solvent from which to start temperature.. Resultant structure in order to lower coating solution is to the boiling point of the solvent after application, drying can be heats the.

Water, at the same relative solvent said number 1 (100 °C and astigmatism 10.2 also polarity) and to adapt the evaporator not greater hydrophilic with holes is formed on, in coatings isolation (e.g.: coating during processing, the humidifying step) said solvent by the moisture in the air reduces the extent to for adsorbing gasket is installed on, in the isolation can be controlling the content moisture.

Furthermore, due to a boiling point lower than the feed and low polarity thereby the fermentation coating on inorganic particles the and can remain solvent is said number 1, the hydrophilic itself inorganic particles by reducing the moisture in the isolation can be controlling the content.

Said number 1 are known solvent is typically an disclosure by literature a polarity is also and astigmatism can be selected by, boiling point and polarity according to solvent 1. an optical disc apparatus regularizes, such as of the following table.

Said table 1 disclosed and boiling point solvent each values are the absolute speed determining which are not of value, that reference of solvents inherent properties of literature within such a range that causes no material compensates the ., can be varied.

The present embodiment the first deoxygenator degree polarity solvent number 1 and 4 hereinafter, may be a boiling point of 100 °C hereinafter, a solvent belonging to and astigmatism also polarity corresponding special are restrictions cannot if, for example, n (n-hexane)-hexanediol, cyclohexane (cyclohexane), carbon tetra ethylene (carbon tetraethylene), methyl-t-butyl ether (methyl-t-butyl ether), 1, 2-dichloroethane (1, 2-dichloroethane), for ease of application (tetrahydrofuran, THF), 1, 1, 2-trichloro lot ripple base Oro ethane (1, 1, 2-trichlorotrifluoroethane), methyl pentane tree 2, 2, 4-(2, 2, 4-trimethylpentane), cyclopentane (cyclopentane), petroleum ether (petroleum ether), benzene (benzene), n-butyl chloride (n-Butyl Chloride), ethyl (Ethyl Ether), (Ethyl Ether) ∴ [...] , dichloro methane (dichloromethane), 30 parts by weight of diethyl ether (diethylether), heptane (heptane), cyclopentane (pentane), n (n-propanol)-propanol, isopropanol (isopropanol), diisopropyl ether (diisopropyl ether), preparation (trichloroethylene) is to, at least one mixed with 2 alone or they can be used.

Based on the total weight liquid coating for said number 1 solvent during coating solution 35 weight % hereinafter, specifically 10 to 35 weight body is included to the display apparatus %. Said moisture in the isolation within the range may be for reducing the re-absorbed as well as polymer solution, and 5 to 30 wt % of inorganic dispersion phase separation between needles solvent and in the manufacture of coating layer free from. which formation of pad is easy.

The present embodiment the first deoxygenator number 2 dissolving binder solvent included in coating solution stable trillion misfortunes a solvent alloy, a corrosion-resistant alloy do not limited to, extracts of Barks of if, in the production of dispersions or inorganic polymer solution number 2, use can be made of, solvent. In specific embodiments, acetone (acetone), alkylnitriles acetone (acetone nitrile), tetramethyl ammonium chloride (tetramethylammonium chloride, TMAC), for ease of application (tetrahydrofuran, THF), dimethyl formamide (dimethylformamide, DMF), Dimethylsulphoxide (dimethylsulfoxide, DMSO), dimethylacetamide (dimethylacetamide, DMAc), dimethyl carbonate (dimethylcarbonate, DMC) and N-methylpyrrolidone (N-methylpyrrolidone, NMP) selected from the group consisting of 1 may be used in at least one, they are be used alone or in at least one 2, use can be made of, by mixing.

Furthermore, based on the total weight liquid coating for said number 2 solvent during coating solution 50 weight % or more, specifically 60 weight % can be included at least, more particularly, said number 2 can be use acetone solvent, based on the total weight liquid coating for is 60 weight % to 90 weight body is included to the display apparatus %.

Said dissolution of polymeric binder within the range and an excellent ability to, properly inorganic particles as well as reliable peers are allowed to distribute, polymer solution and inorganic dispersion and the number 1 and number 2 mixture of an aprotic solvent in the insulating and the sound- trillion misfortunes.

The present embodiment examples of the such as number 2 number 1 solvent and said solvent by may be used in combination within the range, in the isolation moisture content able to reduce the, humidifying moisture at low rpm and at high rpm increase of the moisture content to reduce re-absorbed lines are, improve the performance and life of a cell can be.

Furthermore, from particles by using centrifugal force and/or inorganic binder said coating solution polyolefinic film are applied to the. it can also be coated with. Confirmation, if the limited to, extracts of Barks of the coating method, a commonly used in various technical fields of the present invention, use can be made of, method. For example, but not limited to said coating method, deep (Dip) coating method, die (Die) coating method, roll-coating or comma (Roll) of the radioactive part into contact with such as coating (Comma), they are alone or by mixing 2 or more of method can be applied.

For example, the present embodiment: an two patterns of the first coating layer dip coating formed on the stacked structure can be is.

said film to the liquid coating such as coated, the oil, and it is dried to form a coating layer can be. Coating drying the confirmation, if the limited to, extracts of Barks of the method, a commonly used in various technical fields of the present invention, use can be made of, method.

The hot air having absorbed drying coating layer in the present invention, hot air, low humidity airflow produced by drying or high vacuum drying or far infrared rays or electron beam a TV unit, use can be made of, a method. Drying time and drying temperature suitable for a kind of a solvent can be can be controllably adjusted with.

For example, at a temperature of 120 °C to 60 °C 1 minutes to 1 which drying time, more particularly, at a temperature of 120 °C to 90 °C 30 ingredient minutes to 1, or 1 minutes to 10 minutes drying.

While phase transition phenomenon is prevented in said drying step, a portion of the solvent in the coating layer is to be coated evaporation and drying microstructures on layer can be formed by blowing air bubble.

Hereinafter, according to one embodiment of the present invention relates to electrochemical cell. One embodiment of the present invention: an electrochemical cell, anode, cathode, and an electrolyte includes, said interposed between the positive electrode and the negative includes the separator. At this time, of the present invention in the embodiment or isolation layer is formed according to said isolation layer is formed, separation membranes prepared according to of the present invention in the embodiment can be.

Limited to, extracts of Barks of the kind of electrochemical cell said confirmation, if the, kinds of known in various technical fields of the present invention can be cell. For example, can be efficiently produced, and the secondary battery, specifically lithium metal secondary battery, lithium ion secondary battery, lithium polymer secondary battery or li-ion polymer secondary battery such as a lithium secondary cell can be. The present embodiment a method for making an electrochemical cell the first deoxygenator limited to, extracts of Barks of the confirmation, if the, a commonly used in various technical fields of the present invention, use can be made of, method. Said a method for making an electrochemical cell but not limited to, an expanded include: organic and inorganic composite coating layer of the present invention said including polyolefin porous separation membrane for, between an anode and a cathode and of then, electrolyte is that fills manner cell can be produced.

Electrochemical cell electrodes constituting an electrode substrate, a commonly used in various technical fields of the present invention method electrode current electrode active material by attached an aquapotin can be produced in the form. Said electrode active material during confirmation, if the limited to, extracts of Barks of the positive electrode active material contains, of the present invention an anode which uses typically in various technical fields, use can be made of, active material. Of positive electrode active material for example, but not limited to, said, lithium manganese oxide, lithium cobalt oxide, lithium nickel oxide, lithium iron oxide or a combination of these lithium composite oxides as to the aromatic hydrocarbon. During electrode active material used in the present invention carbon limited to, extracts of Barks of said confirmation, if the, commonly used in various technical fields of the present invention is a negative electrode active material which, use can be made of,. For example, but not limited to said anode active material, lithium metal or lithium alloy, carbon, petroleum cock (petroleum coke), activated carbon (activated carbon), graphite (graphite) lithium such as carbon or other as to the aromatic hydrocarbon adsorbing material.

Limited to, extracts of Barks of the electrode current said confirmation, if the, of the present invention commonly used in various technical fields electrode current a, use can be made of, current collector. Said electrode current collector at anode current collector for example, but not limited to a material, aluminum, nickel or a combination thereof of foils produced by as to the aromatic hydrocarbon. Cathode current collector at said electrode current collector for example, but not limited to a material, copper, gold, nickel, copper alloy or their are prepared by combining a of foils as to the aromatic hydrocarbon.

Confirmation, if the limited to, extracts of Barks of said solvent is an organic solvent such as, commonly used in various technical fields of the present invention an electrochemical the electrolytic solution, use can be made of,. Said solvent is an organic solvent such as A⁺ B^- a salt of structure such as, organic solvent dissolved or dissociated it is possible,. Said A⁺ example, but not limited to, , Li⁺, Na⁺ or K⁺ and a an alkali such as metal cations, or combination of them: cationic. Said B^- example, but not limited to, , PF₆^-, BF₄^-, Cl^-, Br^-, I^-, ClO₄^-, AsF₆^-, CH₃ CO₂^-, CF₃ SO₃^-, N (CF₃ SO₂)₂^- or C (CF₂ SO₂)₃^- ions, or combination of them: an anionic.

Said organic solvent for example, but not limited to, propylene carbonate (Propylene carbonate, PC), ethylene carbonate (Ethylene carbonate, EC), [...] (Diethyl carbonate, DEC), dimethyl carbonate (Dimethyl carbonate, DMC), deep [...] (Dipropyl carbonate, DPC), Dimethylsulphoxide (Dimethyl sulfoxide, DMSO), acetonitrile (Acetonitrile), (dimethoxyethane) [...] , [...] (diethoxyethane), for ease of application (Tetrahydrofuran, THF), N-methyl-2-pyrrolidone (N-methyl-2-pyrrolidone, NMP), ethyl [...] (Ethyl methyl carbonate, EMC) or gamma Taxine (Butyrolactone-γ, GBL) as to the aromatic hydrocarbon. They are alone or by mixing at least one 2, use can be made of,.

Hereinafter, in the embodiment, compared thereby, the cold air flows and e.g. described by the described S406 the present invention. Just, of the following in the embodiment, and e.g. compared which the persons can just one example of the present invention relate, contents of the present invention is interpreted to limited to. is not but.

In the embodiment 1

Polymer for preparing a solution with a

Number 1 polymer binder PVdf-HFP in g/mol only 70 to (Mw) 50 weight average molecular weight (21216, solvate yarn) of acetone (making the plating spanned the unit really) % weight 10 to be added using stirrer 4 in 25 °C agitating time been produced with at polymeric solution number 1.

Number 2 polymer binder binder g/mol PVdF only 150 to 100 weight average molecular weight (KF 9300, [...] the yarn) of acetone to 7 weight % is added to this stirrer 4 in 40 °C using agitating time been produced with at polymeric solution number 2.

Number 3 polymer binder PBMA in g/mol only 35 to 30 weight average molecular weight (Poly (butylmethacrylate)) ([...] Aldrich) is added to this % weight 5 to with the stirrer 4 in 40 °C using agitating time been produced with at polymeric solution number 3.

Inorganic method of preparing liquid dispersion

Al₂ O₃ (LS235, Japanese light metal yarn) acetone to a 25% weight using helps beads be added in 25 °C 2 inorganic the data and status data being programmed milling time been produced with at dispersion.

Coating solution (coatingslurry)for manufacturing

Said number 1 polymer binder solution: polymer binder solution number 2: polymer binder solution number 3:1:2:5:9 inorganic dispersion mixing and to wherein the weight ratio of n-hexanediol in relation to the total weight coating solution is the 35% weight % n-hexanediol and acetone is by adding a power mixer 2 in 25 °C been produced with at taken along a line perpendicular to a agitating time.

Hot, and separating film manufacturing

9 thickness (W Scope, PE) micro m polyethylene films on both sides of said coating by using a liquid dip coating manner coated, 3 minutes to 1 in 120 °C same drying the ingredient m micro 2 form of net to form a plurality of coating layer film are formed at the separator.

In the embodiment 2

In the embodiment 1 in, said coating solution n in the fabrication of cyclohexane instead-hexanediol (sprout about treat) coated using the solution in the embodiment 1 is produced by using an except isolation the same method and conditions have been prepared.

In the embodiment 3

In the embodiment 1 in, said coating solution n in the fabrication of ethylene tetra carbon instead-hexanediol (sprout about treat) coated using the solution in the embodiment 1 is produced by using an except isolation the same method and conditions have been prepared.

In the embodiment 4

In the embodiment 1 in, said coating solution n in the fabrication of monobutyl ether-t methyl-instead-hexanediol (sprout about treat) taken along a line perpendicular to a using is produced by using an in the embodiment 1 except the same isolation conditions and method have been prepared.

In the embodiment 5

In the embodiment 1 in, n in the fabrication of said coating solution 1, 2-dichloroethane instead-hexanediol (sprout about treat) coated using the solution in the embodiment 1 is produced by using an except isolation the same method and conditions have been prepared.

In the embodiment 6

In the embodiment 1 in, n in the fabrication of said coating solution for ease of application instead-hexanediol (making the plating spanned the unit really) coated using the solution in the embodiment 1 is produced by using an except isolation the same method and conditions have been prepared.

In the embodiment 7

In the embodiment 1 in, said coating solution number 1 in the fabrication of polymer binder solution: polymer binder solution number 2: polymer binder solution number 3: inorganic dispersion = 1:2:5:9 n mixing and to wherein the weight ratio of the total-hexanediol 17 weight % relative to the weight coating solution so that by adding a n-hexanediol and acetone is produced by using an taken along a line perpendicular to a the same in the embodiment 1 except isolation conditions and method have been prepared.

In the embodiment 8

In the embodiment 7 in, said number 1 polymer binder solution: polymer binder solution number 2: polymer binder solution number 3: inorganic dispersion n = 1:2:5:9 are mixed at a weight ratio of the total-hexanediol 10 weight % relative to the weight coating solution so that by adding a n-hexanediol and acetone is produced by using an taken along a line perpendicular to a the same in the embodiment 7 except isolation conditions and method have been prepared.

In the embodiment 9

In the embodiment 1 in, said coating solution in the fabrication of BMV (Butylmethacrylate-co-Methylmethacrylate-co-Vinylacetaate) coated using the PBMA instead is produced by using an liquid in the embodiment 1 except the same isolation conditions and method have been prepared.

Compared example 1

In the embodiment 1 in, said coating solution as solvent number 1 in the fabrication of n-hexanediol-free the same in the embodiment 1 except for the host supplying isolation conditions and method have been prepared.

Compared example 2

In the embodiment 1 in, said coating solution n in the fabrication of toluene instead-hexanediol (making the plating spanned the unit really) coated using the solution in the embodiment 1 is produced by using an except isolation the same method and conditions have been prepared.

Compared example 3

In the embodiment 1 in, said coating solution n in the fabrication of xylene instead-hexanediol (making the plating spanned the unit really) coated using the solution in the embodiment 1 is produced by using an except isolation the same method and conditions have been prepared.

Compared example 4

In the embodiment 1 in, n in the fabrication of said coating solution n-butyl acetate instead-hexanediol (making the plating spanned the unit really) coated using the solution in the embodiment 1 is produced by using an except isolation the same method and conditions have been prepared.

Compared example 5

In the embodiment 1 in, number 1 polymer binder solution: polymer binder solution number 2: polymer binder solution number 3: inorganic dispersion n = 1:2:5:9 are mixed at a weight ratio of the total-hexanediol 45 weight % relative to the weight coating solution so that by adding a n-hexanediol and acetone is produced by using an taken along a line perpendicular to a the same in the embodiment 1 except isolation conditions and method have been prepared.

According to said embodiment examples and comparison e.g. two patterns of the first coating contained in compositions that a table've got the to 2.

Experiment example 1

In the isolation moisture content reading

Separation membranes prepared implementations allocate fewer in said in the embodiment and comparison to measure moisture content of the following method is performed for all the.

In the embodiment and comparison according to coating time of a steam heater and then isolation layer, said isolation layer 25 °C temperature time 72, 65% relative humidity after the composition is left for in conditions, isolation layer of capping to the vial was loaded with 1.0g to 0.5 (Thermoprep) [...]. 860 KF ([...] yarn) translations and slid caprolactam conductive type by Fischer knife heated to 150 °C 831 KF [...] 10 minutes (coulometer) ([...] yarn) for a automatic bus boiler steam drum water level buffer in the isolation by it was determined that moisture content. Said measured moisture content in the isolation a moisture content is X PPM.

Experiment example 2

Isolation moisture content of increasing rate

Said in the embodiment and comparison moisture content of separation membranes prepared implementations allocate fewer to measure growth rate of the following method is performed for all the.

Said in the embodiment and comparison according to coating isolation time of a steam heater and then, 72 for separation membranes prepared said 25 °C temperature time, and the composition is left for in conditions 65% relative humidity, after, said isolation 25 °C temperature again, relative humidity 65% 72 in time after the composition is left for capping to the vial was loaded with isolation of 1.0g to 0.5. After, said method of an equivalent 1 e.g. experiment 831 KF in moisture content by Karl Fischer's method in using [...] it was determined that for Y PPM. 1 e.g. experiment said method of measuring the water content of in the separator X PPM sees the same. Said measured such as using Y PPM and X PPM, 1 long-term preservation conversion curve is moisture by the bill.

[Type 1]

Moisture growth rate (%) = [(Y-X)/ X] × 100

Experiment example 3

Measuring axis rate of heat shrinkage of isolation

Separation membranes prepared implementations allocate fewer of said in the embodiment and comparison to measure a heatable of the following method is performed for all the.

In the embodiment and comparison separation membranes prepared according to the gate each longitudinal (MD) 5 cm × (TD) 5 cm of the total cutting to 7 constructed with a sample. Each chamber 120 °C said 1 for each sample time then from the cell compartment, each sample of TD of MD direction and then a measure of the degree to which, it was determined that a heatable the calculates a mean value.

Experiment 4 e.g.

Measuring tensile strength of isolation

Separation membranes prepared implementations allocate fewer said in the embodiment and comparison to measure a tensile strength in, of the following method is performed for all the.

In the embodiment and comparison separation membranes prepared according to the gate each longitudinal (MD) 10 mm × (TD) 50 mm rectangular-formed at the point of two different 10 10 a to tailor region and a and then two, each said UTM specimen (tension tester) to 20 mm length to a DC through the converter so that said specimen after physical MD direction and pulled it was determined that tensile strength average direction TD.

Experiment example 5

Two patterns of the first pricking strength measurement

Separation membranes prepared implementations allocate fewer and comparison said in the embodiment of for pricking intensity in the direction in which the method is performed for all the of.

Said in the embodiment and comparison separation membranes prepared according to the gate each longitudinal (MD) 50 mm × (TD) 50 mm at the point of two different 10 10 a to tailor one region and a and then, the up by using the silicon chip G5 KATO deck 10 cm after put the a specimen to an on hole 1 mm through while simultaneously holding in into a fiber-optic sensor probe force with which it was determined that. Pricking of a specimen each said three times at each strength calculates a mean value was the second light drop unit drops part.

Example experiment 1 to 5 according to said table to present a reference measurement plain on the. an optical disc apparatus regularizes to 3.

In the embodiment 1 to 9 in the case of, polarity (polarity index) is also and 4 hereinafter, a number 1 a boiling point of 100 °C hereinafter in relation to the total weight coating solution solvent % hereinafter the comprises the weight 35, the moisture content in the isolation and 1000 PPM hereinafter, 25 °C, after size 72 in 65% relative humidity, 10% hereinafter's growth rate moisture measured or presented as a a, heat axis rate , without lowering the tensile strength and the burglar stabing moisture content by reducing the outputable isolation it is possible to produce has been confirmed.

Furthermore, the moisture content under conditions of humidity without increasing the, it may even be reduced at a point by electrolyte for preventing the degradation of a catalyst, of the present invention of the battery replacement time of timing belt can be enhanced plated by Ni and identifying improving.

While, in the production of coating solution also polarity (polarity index) is and 4 hereinafter, a boiling point of 100 °C hereinafter a number 1 when doesn't involve the use of solvents (compared e.g. 1 to 4), the n bit parallel data inputted the second insulating layer is moisture, % weight 35 exceeds said number 1 solvent containing coating solution when (compared e.g. 5), alumina is the n bit parallel data inputted and so not being dispersed as desired via phase separation cannot be the layer, or comprises a non-layer itself with the coating, e.g. experiment was 1 to 5 according to the cold cannot be.

At least a particular portion of the present invention detail the 25mbps and techniques, homogeneously distributed to be person with skill in the art, only the specifically such and the user makes a Yale a preferred embodiment, the of the present invention range is limited it is apparent that the not will. Therefore, substantial of the present invention by issuing an ranges are defined by claim and their equivalent will the pixels include.