WO2016032290A1 - Matériau actif de cathode pour batterie rechargeable au lithium, son procédé de préparation et batterie rechargeable au lithium le comprenant - Google Patents

Matériau actif de cathode pour batterie rechargeable au lithium, son procédé de préparation et batterie rechargeable au lithium le comprenant Download PDF

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WO2016032290A1
WO2016032290A1 PCT/KR2015/009081 KR2015009081W WO2016032290A1 WO 2016032290 A1 WO2016032290 A1 WO 2016032290A1 KR 2015009081 W KR2015009081 W KR 2015009081W WO 2016032290 A1 WO2016032290 A1 WO 2016032290A1
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lithium
active material
secondary battery
positive electrode
electrode active
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PCT/KR2015/009081
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English (en)
Korean (ko)
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최수안
김동현
정봉준
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주식회사 엘앤에프신소재
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Publication of WO2016032290A1 publication Critical patent/WO2016032290A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • One embodiment of the present invention relates to a cathode active material for a lithium secondary battery, a method of manufacturing the same, and a lithium secondary battery including the same. [Technique to become background of invention]
  • a battery generates electric power by using an electrochemical reaction material for the positive electrode and the negative electrode.
  • Representative examples of such batteries include electrical energy due to the change of the chemical potential (intercal at i on) and deintercalation at the positive and negative electrodes due to the change in the chemical potential (chemi cal potent i al).
  • chemi cal potent i al There is a lithium secondary battery that produces.
  • the lithium secondary battery is prepared by using a reversible intercalation-deintercalation material of lithium ions as a positive electrode and a negative electrode active material, and filling an organic electrolyte or a polymer electrolyte between the positive electrode and the negative electrode.
  • a lithium composite metal compound is used as a cathode active material of a lithium secondary battery, and composite metal oxides such as LiCo0 2 , LiMn 2 0 4 , LiNi0 2 , and LiMn0 2 have been studied.
  • Mn-based cathode active materials such as LiMn 2 O 4 and LiMn0 2 are examples.
  • LiCo0 2 has a good electrical conductivity and a high battery voltage of about 3.7V, and also has excellent cycle life characteristics, stability, and discharge capacity. Thus, LiCo0 2 is a representative cathode active material commercially available and commercially available. However, LiCo0 2 is expensive Therefore, since the battery occupies 3OT or more of the price, there is a problem that the price competitiveness falls.
  • LiCo0 2 shows the battery characteristics of the highest discharge capacity of the above-mentioned positive electrode active material, but has a disadvantage that is difficult to synthesize.
  • the high oxidation state of nickel causes a decrease in battery and electrode life, and there is a problem of severe self discharge and inferior reversibility.
  • it is difficult to commercialize the stability is not perfect.
  • One embodiment of the present invention to provide a positive electrode active material for a high output lithium secondary battery having excellent output characteristics, a method for manufacturing the same and a lithium secondary battery comprising the same. [Measures of problem]
  • the space group R-3m is added to the crystal structure model.
  • a cathode active material for a lithium battery having a large MO s lab thickness and a small inter s ab thickness obtained from a crystal structure analysis by the Rietveld method.
  • the ratio of inter sl ab / MO sl ab which is a ratio of the MO sl ab and the Inter s lab may be less than or equal to 1.25.
  • the thickness of the MO slab may be 2. 105 ⁇ 2.205.
  • the thickness of the inter s lab may be 2.624 ⁇ 2.634.
  • Compounds capable of deintercalation are less than 1.5% of cat ion mixing from the analysis of the crystal structure by the Rietveld method when the space group R-3m is used in the crystal structure model based on X-ray diffraction analysis. Can be.
  • the compound capable of reversible intercalation and deintercalation of lithium in which the crystal lattice is controlled may be an impurity peak in 7Li MAS ⁇ R analysis.
  • Li a Ai- b X b D 2 (0.90 ⁇ a ⁇ 1.8,0 ⁇ b ⁇ 0.5)
  • Li a Ai- b X b 0 2 _cT c (0.90 ⁇ a ⁇ 1.8, 0 ⁇ b ⁇ 0.5, 0 ⁇ c ⁇ 0.05)
  • LiEi- b X b 0 2 - c D c (0 ⁇ b ⁇ 0.5, 0 ⁇ c ⁇ 0.05)
  • LiE 2 - b X b 0 4 - c T c (0 ⁇ b ⁇ 0.5, 0 ⁇ c ⁇ 0.05)
  • A is Ni, Co, Mn or a combination thereof
  • X is Al, Ni, Co, Mn, Cr, Fe, Mg, Sr, V, rare earth element or a combination thereof
  • D is 0, F , S, P or a combination thereof
  • E is Co, Mn or a combination thereof
  • T is FS, P or a combination thereof
  • G is Al, Cr, Mn, Fe, Mg, La, Ce , Sr, V, or a combination thereof, wherein J is V, Cr, Mn, Co, Ni, Cu, or a combination thereof.
  • the compound capable of reversible intercalation and deintercalation of lithium may be lithium nickel cobalt manganese composite oxide.
  • the lithium nickel cobalt manganese composite oxide may be a cathode active material for a lithium secondary battery represented by the following Formula 1.
  • A Ni a Co P Mn Y
  • D is one or more elements selected from the group consisting of Mg, A1, Zr, B and Ti
  • E is one selected from the group consisting of P, F and S
  • the above elements are -0.05 ⁇ z ⁇ 0.1, 0 ⁇ a ⁇ 0.05 and 0 ⁇ b ⁇ 0.05, and 0.48 ⁇ ⁇ 0.81, 0.09 ⁇ ⁇ 0.29 and 0.09 ⁇ ⁇ 0.32.
  • Another embodiment of the present invention comprises the steps of dry mixing a lithium feed material, a transition metal precursor, and then firing the mixture to form a lithium composite compound;
  • the firing temperature may be 700 to 1, 050 ° C.
  • the lithium supply material may be Li 2 CO 3, LiOH, Li 20, Li 202.
  • Another embodiment of the present invention is a positive electrode including the positive electrode active material for a lithium secondary battery, a negative electrode comprising a negative electrode active material; And it provides a lithium secondary battery, comprising an electrolyte.
  • FIG. 1 is a schematic view of a lithium secondary battery.
  • the space group R-3m is added to the crystal structure model.
  • a cathode active material for a lithium battery having a large MO slab thickness and a low inter slab thickness from crystal structure analysis by the Rietveld method.
  • the positive electrode active material in which the crystal lattice is controlled may improve battery characteristics of a lithium secondary battery. More specifically, according to one embodiment of the present invention, the positive electrode active material in which the crystal lattice is controlled may provide a positive electrode active material having improved high output characteristics in output characteristics than the positive electrode active material in which the crystal lattice is not controlled.
  • the inter slab / MO slab ratio which is the ratio of the MO slab and the inter slab, may be 1.25 or less.
  • the thickness of the MO slab may be 2.105-2.205.
  • the thickness of the inter slab may be that of 2.624 ⁇ 2.634.
  • the MO slab and inter slab can be confirmed by XRD Rietveld Refinement analysis, and the interaction of metal ions in M06 octahedron, which is a crystal structure, will be reduced by the change of MO slab, and the change of MO slab and inter slab
  • the positive electrode active material By controlling the crystal lattice by the positive electrode active material can exhibit an improved effect in terms of the reversible mobility and battery conductivity of Li ions can provide a high output positive electrode active material.
  • the compound capable of reversible intercalation and deintercalation of lithium in which the crystal lattice is controlled is Rietveld when a space group R-3m is used in the crystal structure model based on X-ray diffraction analysis. From the crystal structure analysis by the method), the degree of cation mixing may be 1.5% or less. Cation mixing is present in ions such as Ni in the Li layer,
  • the cathode active material in which the crystal lattice is controlled as described above has a low value of 1.5% or less, which may help the reversible movement of Li.
  • the compound capable of reversible intercalation and deintercalation of lithium in which the crystal lattice is controlled may be an impurity peak in 7Li MAS NMR analysis. Self-control of the decision lattice through 7Li MAS ⁇ analysis o O
  • A Ni a CoP Mn y
  • D is one or more elements selected from the group consisting of Mg, Al, Zr, B and Ti
  • E is one or more selected from the group consisting of P, F and S Element, -0.05 ⁇ z ⁇ 0.1, 0 ⁇ a ⁇ 0.05 and 0 ⁇ b ⁇ 0.05, and 0.48 ⁇ ⁇ 0.81, 0.09 ⁇ ⁇ 0.29 and 0,09 ⁇ ⁇ 0.32.
  • lithium supply material transition metal
  • the firing temperature may be 700 to 1,050 ° C.
  • the calcination temperature is less than 700 ° C.
  • the firing temperature is more than 1,050 ° C., a sharp decrease in capacity and capacity retention may occur.
  • the lithium supply material may be Li2C03, LiOH, Li 20, Li 202. Since the description of the prepared cathode active material is the same as the embodiment of the present invention described above, a detailed description thereof will be omitted.
  • a lithium secondary battery comprising a positive electrode, a negative electrode and an electrolyte
  • the positive electrode includes a current collector and a positive electrode active material layer formed on the current collector, the positive electrode active material layer described above It provides a lithium secondary battery containing a positive electrode active material.
  • the positive electrode active material layer may include a binder and a conductive material.
  • the binder adheres the positive electrode active material particles to each other well, and also serves to adhere the positive electrode active material to the current collector well.
  • Diacetylcellose polyvinylchloride, carboxylated polyvinylchloride, Polyvinyl fluoride, polymers including ethylene oxide, polyvinylpyridone, polyurethane, polytetrafluoroethylene, polyvinylidene fluoride, polyethylene, polypropylene, styrene-butadiene rubber, acrylated styrene-butadiene rubber , Epoxy resin, nylon, etc. may be used, but the present invention is not limited thereto.
  • the conductive material is used to impart conductivity to an electrode, and any battery can be used as long as it is an electronic conductive material without causing chemical change in the battery, and examples thereof include natural alum, artificial alum, carbon black, acetylene black, and ketjen.
  • Carbon-based materials such as black and carbon fiber;
  • Metal materials such as metal powder or metal fibers such as copper, nickel, aluminum and silver;
  • Conductive polymers such as polyphenylene derivatives; Or an electroconductive material containing these mixture can be used.
  • the negative electrode is a current collector and the negative electrode active material layer formed on the current collector
  • the negative electrode active material layer includes a negative electrode active material.
  • lithium ions are reversibly provided as the negative electrode active material.
  • Intercalation / deintercalation materials lithium metals, alloys of lithium metals, materials capable of doping and undoping lithium, or transition metal oxides.
  • any carbon-based negative electrode active material generally used in a lithium ion secondary battery may be used, and representative examples thereof include crystalline carbon. Or amorphous carbon or these may be used together.
  • the crystalline carbon include amorphous, plate-like, flake, spherical or fibrous natural graphite, or an alum such as artificial alum, and examples of the amorphous carbon include soft carbon (soft carbon) Or hard carbon, mesophase pitch carbide, calcined coke, or the like.
  • alloy of the lithium metal examples include lithium and Na, K, Rb, Cs, Fr, Be, Mg, Ca, Sr, Si, Sb, Pb, In, Zn, Ba, Ra, Ge, Al, and Sn. Alloys of the metals selected may be used.
  • Examples of the material capable of doping and undoping lithium include Si, Si0x (0 ⁇ x ⁇ 2), and Si-Y alloys (wherein Y is an alkali metal, an alkaline earth metal, a Group 13 element, a Group 14 element, a transition metal, and a rare earth). Element selected from the group consisting of elements and combinations thereof, not Si), Sn, Sn02, Sn-Y (Y is an alkali metal, alkaline earth metal, group 13 element, An element selected from the group consisting of Group 14 elements, transition metals, rare earth elements, and combinations thereof, and not Sn), and at least one of them and Si02 may be used in combination.
  • the element Y may include Mg, Ca, Sr, Ba, Ra, Sc, Y, Ti, Zr, Hf, Rf, V, Nb, Ta, Db, Cr, Mo, W, Sg, Tc, Re, Bh, Fe, Pb, Ru, 0s, Hs, Rh, Ir, Pd, Pt, Cu, Ag, Au, Zn, Cd, B, Al, Ga, Sn, In, Ti, Ge, P, As, Sb, Bi, S, Se, Te, Po, and combinations thereof.
  • the transition metal oxides include vanadium oxide and lithium vanadium oxide.
  • the negative electrode active material layer also includes a binder, and may optionally further include a conductive material.
  • the binder serves to adhere the negative electrode active material particles to each other well and to adhere the negative electrode active material to the current collector well.
  • Polyvinylchloride carboxylated polyvinylchloride, polyvinylfluoride, polymers including ethylene oxide, polyvinylpyridone, polyurethane,
  • Polypropylene, styrene-butadiene rubber, acrylated styrene-butadiene rubber, epoxy resin, nylon and the like can be used, but is not limited thereto.
  • the current collector may include copper foil, nickel foil, stainless steel foil, titanium foil, nickel foam, copper foam, a polymer substrate coated with a conductive metal, and these.
  • A1 may be used as the current collector, but is not limited thereto.
  • the negative electrode and the positive electrode are prepared by mixing an active material, a conductive material, and a binder in a solvent to prepare an active material composition, and applying the composition to a current collector. With this Since the same electrode manufacturing method is well known in the art, detailed description thereof will be omitted.
  • N-methylpyrrolidone may be used as the solvent, but is not limited thereto.
  • the electrolyte contains a non-aqueous organic solvent and a lithium salt.
  • the non-aqueous organic solvent serves as a medium through which ions involved in the electrochemical reaction of the cell can move.
  • a carbonate-based, ester-based, ether-based, ketone-based, alcohol-based, or aprotic solvent may be used.
  • the carbonate solvent include dimethyl carbonate (DMC), diethyl carbonate (DEC), dipropyl carbonate (DPC), methylpropyl carbonate (MPC), ethylpropyl carbonate (EPC), and methyl ethyl
  • MEC Carbonate
  • ethylene carbonate (EC) ethylene carbonate
  • PC propylene carbonate
  • BC butylene carbonate
  • ester solvent is methyl acetate, ethyl acetate, n-propyl acetate, dimethyl acetate
  • Decanolide, valerolactone, mevalonol actone, caprolactone and the like can be used.
  • ether solvent dibutyl ether, tetraglyme, diglyme, dimetheusethane, 2-methyltetrahydrofuran, tetrahydrofuran, etc.
  • ketone solvent cyclonuxanon may be used.
  • the alcohol-based solvent may be ethyl alcohol, isopropyl alcohol and the like
  • the aprotic solvent is R-CN (R is a linear, branched, or cyclic hydrocarbon group of 2 to 20 carbon atoms Amides such as nitriles, dimethylformamide, and the like, and a dioxolane sulfolane such as 1,3-dioxolane and the like can be used.
  • the non-aqueous organic solvent may be used alone or in combination of one or more, and the mixing ratio in the case of using one or more in combination can be appropriately adjusted according to the desired battery performance, which is widely understood by those skilled in the art Can be.
  • the carbonate solvent it is preferable to use a cyclic carbonate and a chain carbonate in combination.
  • annular When carbonate and chain carbonate are mixed and used in a volume ratio of 1: 1 to 1: 9, the performance of the electrolyte may be excellent.
  • the non-aqueous organic solvent according to the embodiment of the present invention may further include an aromatic hydrocarbon organic solvent in the carbonate solvent.
  • the carbonate solvent and the aromatic hydrocarbon organic solvent may be mixed in a volume ratio of 1: 1 to 30: 1.
  • aromatic hydrocarbon organic solvent an aromatic hydrocarbon compound of the following [Formula 1] may be used.
  • Ri to R 6 are each hydrogen, halogen, C1 to C10 alkyl group, haloalkyl group or a combination thereof.
  • the aromatic hydrocarbon organic solvent is benzene, fluorobenzene, 1,2-difluorobenzene, 1,3-difluorobenzene, 1,4-difluorobenzene, 1,2,3-trifluorobenzene , 1,2,4-trifluorobenzene, chlorobenzene, 1,2-dichlorobenzene, 1,2-dichlorobenzene, 1,4-dichlorobenzene, 1,2,3-trichlorobenzene, 1,2, 4- Trichlorobenzene, Iodobenzene, 1,2-Diiodobenzene, 1,3-Diiodobenzene, 1,4-Diiodobenzene, 1,2,3-triiodobenzene, 1 ⁇ 2,4 -Triiodobenzene, toluene, fluoroluene, 1,2-difluoroluene, 1,3-difluoroluene, 1,4-d
  • R 7 and 3 ⁇ 4 are hydrogen, a halogen group, a cyano group (CN), a nitro group (N0 2 ), or a C1 to C5 fluoroalkyl group, and at least one of the valences R 7 and R 8 is Halogen group, cyano group (CN), nitro group (N0 2 ) or C1 to C5
  • ethylene carbonate compounds include difluoro ethylene carbonate, chloroethylene carbonate, dichloroethylene carbonate, bromoethylene carbonate, dibromoethylene carbonate, nitroethylene carbonate cyanoethylene carbonate, and fluoroethylene carbonate. have. In the case of further using such life improving additives, the amount thereof can be properly adjusted.
  • the lithium salt is dissolved in an organic solvent, the lithium ion in the battery
  • the lithium salt acts as a source to enable the operation of the basic lithium secondary battery, and is a material that serves to promote the movement of lithium ions between the positive electrode and the negative electrode.
  • the lithium salt Representative examples are LiPF 6, LiBF 4, LiSbF 6l LiAsF 6, LiC 4 F 9 S0 3, LiC10 4, LiA10 2, LiAlCl 4> LiN (C x F 2x + 1 S0 2) (CyF 2y + 1 S0 2 ) (where x and y are natural numbers), one selected from the group consisting of LiCl, Lil and LiB (C 2 0 4 ) 2 (lithium bis (oxalato) borate (LiBOB) or Including at least two as the supporting electrolytic salt
  • the concentration of the lithium salt is preferably used within the range of 0.1 to 2.0 M.
  • the electrolyte When the concentration of the lithium salt is included in the above range, the electrolyte has a good conductivity and viscosity, so it is an excellent electrolyte It can exhibit performance, and lithium ions can move effectively.
  • a separator may exist between the positive electrode and the negative electrode.
  • the separator polyethylene, polypropylene, polyvinylidene fluoride or two or more multilayer films thereof may be used.
  • a mixed multilayer film such as polyethylene / polypropylene two-layer separator, polyethylene / polypropylene / polyethylene three-layer separator, polypropylene / polyethylene / polypropylene three-layer separator, and the like can be used. .
  • Lithium secondary batteries may be classified into lithium ion batteries, lithium ion polymer batteries, and lithium polymer batteries according to the type of separator and electrolyte used, and may be classified into cylindrical, square, coin type, and pouch types according to their type.
  • FIG. 1 schematically illustrates a representative structure of a lithium secondary battery of the present invention.
  • the lithium secondary battery 1 includes a positive electrode 3, a negative electrode 2, and an electrolyte solution impregnated in a separator 4 existing between the positive electrode 3 and the negative electrode 2.
  • Battery container 5 to be sealed, Encapsulation for sealing the battery container 5
  • Example 2 In Example 1, a source of lithium is added per mole of transition metal hydroxide.
  • the dry mixed powder was heat-treated at 89 CTC for 8 hours to prepare a lithium composite compound. Production of coin cell
  • the positive electrode slurry was applied to a thin film of aluminum (A1), which is a positive electrode current collector having a thickness of 20 to 40, and vacuum dried, followed by roll press to obtain a positive electrode.
  • A1 a thin film of aluminum
  • Li-metalol was used as the negative electrode.
  • Table 1 below is the 25 ° C., 4.3V initial Formation, and the rate characteristic data of the above Examples and Comparative Examples.
  • Example 1 178.27 89.34 163.41 94.12 154.82 86.59 130.29 71.66
  • Example 2 179.42 89.91 163.68 94.72 155.32 85.93 128.85 68.91
  • Comparative Example 1 179.19 89.41 162.29 92.92 149.94 74.19 113.15 62.88 As Table 1 shows, Compared to
  • Example 1 and Comparative Example 1 were subjected to 7Li MAS NMR analysis. Analyzes NMR

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  • Electrochemistry (AREA)
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  • Inorganic Chemistry (AREA)
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Abstract

L'invention concerne un matériau actif de cathode pour batterie au lithium dans une structure de réseau cristallin d'un composé dans lequel une intercalation et une désintercalation réversibles du lithium sont possibles, dans lequel un réseau cristallin est commandé de manière que l'épaisseur d'une plaque MO soit grande et l'épaisseur inter-plaque soit faible dans une analyse de structure cristalline par la méthode de Rietveld lors de l'utilisation d'un groupe spatial R-3 m dans un modèle de structure cristalline sur la base d'une analyse de diffraction des rayons X sur la structure de réseau cristallin d'un composé dans lequel une intercalation et une désintercalation réversibles du lithium sont possibles et un réseau cristallin n'est pas commandé.
PCT/KR2015/009081 2014-08-29 2015-08-28 Matériau actif de cathode pour batterie rechargeable au lithium, son procédé de préparation et batterie rechargeable au lithium le comprenant WO2016032290A1 (fr)

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Cited By (4)

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WO2017150914A1 (fr) * 2016-03-04 2017-09-08 주식회사 엘 앤 에프 Matériau actif d'électrode positive pour une batterie secondaire au lithium, son procédé de production et batterie secondaire au lithium comprenant ce dernier
WO2017155240A1 (fr) * 2016-03-09 2017-09-14 주식회사 엘 앤 에프 Matière active d'électrode positive pour batterie rechargeable au lithium, son procédé de préparation et batterie rechargeable au lithium la comprenant
US20220185691A1 (en) * 2016-12-28 2022-06-16 Lg Chem, Ltd. Positive Electrode Active Material For Secondary Battery, Manufacturing Method Thereof, And Secondary Battery Including Same
EP4194407A1 (fr) * 2021-12-07 2023-06-14 SK Innovation Co., Ltd. Précurseur de matériau actif de cathode pour batterie secondaire au lithium, matériau actif de cathode pour batterie secondaire au lithium et batterie secondaire au lithium

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WO2017171462A1 (fr) * 2016-03-31 2017-10-05 주식회사 엘지화학 Matériau actif de cathode d'accumulateur au lithium, et cathode le comprenant
KR101992760B1 (ko) * 2016-03-31 2019-06-26 주식회사 엘지화학 리튬 이차전지용 양극활물질 및 이를 포함하는 양극
KR102000724B1 (ko) * 2017-12-08 2019-10-01 주식회사 엘 앤 에프 리튬 이차 전지용 양극 활물질, 이의 제조 방법, 및 이를 포함하는 리튬 이차 전지
KR102627508B1 (ko) * 2022-12-07 2024-01-18 에스케이온 주식회사 리튬 이차 전지용 양극 활물질 및 이를 포함하는 리튬 이차 전지

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KR20170103507A (ko) * 2016-03-04 2017-09-13 주식회사 엘 앤 에프 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지
KR102114229B1 (ko) * 2016-03-04 2020-05-22 주식회사 엘 앤 에프 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지
WO2017155240A1 (fr) * 2016-03-09 2017-09-14 주식회사 엘 앤 에프 Matière active d'électrode positive pour batterie rechargeable au lithium, son procédé de préparation et batterie rechargeable au lithium la comprenant
US10673071B2 (en) 2016-03-09 2020-06-02 L&F Co., Ltd. Positive electrode active material for lithium secondary battery, method for preparing same and lithium secondary battery comprising same
US20220185691A1 (en) * 2016-12-28 2022-06-16 Lg Chem, Ltd. Positive Electrode Active Material For Secondary Battery, Manufacturing Method Thereof, And Secondary Battery Including Same
EP4194407A1 (fr) * 2021-12-07 2023-06-14 SK Innovation Co., Ltd. Précurseur de matériau actif de cathode pour batterie secondaire au lithium, matériau actif de cathode pour batterie secondaire au lithium et batterie secondaire au lithium

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