CN104835957A - Preparation method of high-nickel ternary material used for lithium ion battery - Google Patents

Preparation method of high-nickel ternary material used for lithium ion battery Download PDF

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CN104835957A
CN104835957A CN201510120721.0A CN201510120721A CN104835957A CN 104835957 A CN104835957 A CN 104835957A CN 201510120721 A CN201510120721 A CN 201510120721A CN 104835957 A CN104835957 A CN 104835957A
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ternary material
lithium ion
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CN104835957B (en
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丁建民
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JIANGSU LENENG BATTERY CO Ltd
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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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
    • 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

Abstract

A preparation method of a high-nickel ternary material used for a lithium ion battery. The ternary material is Li(Ni<0.6>Co<0.2>Mn<0.2>)O<2>, of which gram volume is not less than 180 mAh/g and service life retention rate after 2000 circulations is not less than 80%. The preparation method includes following steps: (1) preparation of a precursor solution; and (2) mix-calcination. During the preparation process, because an organic solution can reduce particle aggregation, a complexing agent can control the appearance and the compatibility between a titanium dioxide enhancing material and electrolyte, the ternary material is high in the gram volume (not less than 180 mAh/g) and is good in the service life retention rate after 2000 circulations (not less than 80%). The ternary material is easy to control in appearance, is simple in process and is suitable for industrialized production.

Description

The preparation method of a kind of lithium ion battery nickelic ternary material used
Technical field
The present invention relates to lithium ion anode material preparation field, particularly a kind of preparation method preparing the nickelic tertiary cathode material of lithium ion battery.
Background technology
Positive electrode is the crucial composition material of lithium ion battery, is cost accounting the best part in lithium ion battery.The lithium electricity positive electrode obtaining commercial applications at present mainly contains cobalt acid lithium, LiMn2O4, lithium nickelate, nickle cobalt lithium manganate, LiFePO4 etc.Cobalt acid lithium is as one of the positive electrode of most extensive use, the market share is once up to more than 70%, but cobalt is a kind of rare resource, because of the factor such as raw material supply, cost price, the application of cobalt acid lithium faces more and more stern challenge, and the high performance substitution material of development and application has become common recognition in the industry.The sour lithium ternary material of nickel cobalt manganese (1:1:1,5:2:3,4:3:3), with the advantage of its higher energy density, high security and lower cost, has started to widely apply on some middle-end notebook computers.For the requirement to power vehicle flying power, nickel cobalt manganese (1:1:1,5:2:3,4:3:3) sour lithium ternary material introduced by the electrokinetic cell giant such as Japan and Korea S and is used as anode constituents to improve energy density, the Toyota Motor of such as Japan adopts nickel-cobalt-manganese ternary material, take into account cost and energy density advantage, lithium ion battery used for electric vehicle has been produced in batches.Therefore, cobalt nickel lithium manganate ternary material thinks most one of positive electrode having application prospect, and nickelic low cobalt low manganese (6:2:2 or 8:1:1) sour lithium, its energy density is higher, and bulk density is larger, has more application prospect in some field.Such as patent (CN 103872314 A) discloses the method for pre-oxidizing of a kind of lithium ion battery with nickelic tertiary cathode active material presoma, first it will filter the nickelic polynary hydroxide precursor of processing through co-precipitation, adopt the mode of DC electrolysis to carry out anodic oxidation afterwards and obtain oxyhydroxide presoma Ni xm 1-xoOH, carries out vacuumize with after pure water under the temperature conditions of 70 DEG C, obtains the Ni of pre-oxidation xm 1-xoOH presoma Ni xm 1-x(OH) 2, the ternary material Li(Ni finally prepared 0.6co 0.2mn 0.2) O 2, its specific capacity is 172.2mAh/g, and 50 times circulation conservation rate is 94.1%, although its capacity is improved, cycle performance and imbibition liquid-keeping property deviation thereof, limit its extensive use.
Summary of the invention
Current ternary material Li (Ni 0.6co 0.2mn 0.2) O 2the deficiency that the gram volume existed is on the low side, cycle life is poor and imbibition liquid-keeping property difference exists, the object of the present invention is to provide the preparation method of a kind of lithium ion battery nickelic ternary material used.
Technical scheme of the present invention is achieved in the following ways: the preparation method of a kind of lithium ion battery nickelic ternary material used, described ternary material is Li (Ni 0.6co 0.2mn 0.2) O 2, gram volume>=180mAh/g, 2000 cycle life conservation rate>=80%, comprise the following steps: 1) precursor solution preparation, 2) mixed calcining; It is characterized in that:
Precursor power: by NiSO 46H 2o, C osO47H 2o, MnCl 24H 2o is 6:2:2 proportions in molar ratio, and adds strength solution, the ultrasonic disperse that the water-soluble carbochain organic solvent of certain mass is configured to 5% ~ 20% in redistilled water and obtain mixed solution A; Simultaneously at 30 ~ 80 DEG C of temperature, the NaOH solution of preparation 0.1mol/L is poured in four-necked bottle, and add complexing agent, chelating agent and additive, wherein mol ratio: NaOH: complexing agent: chelating agent: additive=(1 ~ 2): 1:1:(1 ~ 2), obtain NaOH mixed liquid B; Under uniform stirring; with certain speed, mixed solution A is added in NaOH mixed liquid B with constant flow pump; drip after terminating completely and continue uniform stirring again 10 ~ 60 minutes; above process completes all under nitrogen protection; afterwards the mother liquor obtained is carried out suction filtration, washing, press filtration, redrying, grinding sieve, finally prepare aspherical Ni 0.6co 0.2mn 0.2(OH) 2presoma;
Described complexing agent is ammonium fluoride, natrium citricum, one or more in disodium ethylene diamine tetraacetate (EDTA).
Described additive is nano-titanium oxide and active carbon, and its molar ratio is 1:1.
Described chelating agent is NH 3h 2o.
Described organic solvent is one or more in soluble starch, polyvinylpyrrolidone, polyethylene glycol.
2), baking mixed: by lithium hydroxide and Ni 0.6co 0.2mn 0.2(OH) 2example (1.01 ~ 1.10) in molar ratio: 1 mixes, mixture is put in alumina crucible, calcine in Muffle furnace: heating rate 1 ~ 10 DEG C/min, calcining point two stages, 500 DEG C of calcinings (4 ~ 10) hour, 800 DEG C of degree calcining at constant temperature (12 ~ 24) hour, obtain ternary Li (Ni 0.6co 0.2mn 0.2) O 2material.
The present invention, 1) in ultrasonic disperse process, add a certain amount of carbochain organic additive, improve slurry viscosity, suppress the raw material segregation in dry run, in high-temperature reaction process, organic additive burning liberated heat can each position of direct feeding reactants, makes system each several part temperature Fast-Balance, prepares pattern homogeneous, the monocrystalline ternary material of rule, simultaneously in organic additive combustion process, volume expands, and suppresses intergranular reunion.And the complexing agent added can improve the pattern of material and improve the tap density of material, and improve the stability of precursor solution, the final chemical property improving material 2).3) a certain proportion of nanometer titanium dioxide titanium additives is added, its coated lithium battery material can suppress the oxidation activity on surface, reduce the interfacial reaction of electrode and electrolyte, thus the cyclical stability improved in lithium battery material charge and discharge process, improve battery material chemical property, extend the life-span of lithium battery.Add a certain proportion of active carbon additive simultaneously, the imbibition liquid-keeping property of material can be improved again.Ternary material of the present invention is Li (Ni 0.6co 0.2mn 0.2) O 2, gram volume>=180mAh/g, 2000 cycle life conservation rate>=80%.The features such as pattern is easily controlled, technique is simple, are suitable for suitability for industrialized production.
Accompanying drawing explanation
Fig. 1 is the SEM figure of the material that embodiment 1 is prepared.
Embodiment
Embodiment 1:
A preparation method for lithium ion battery nickelic ternary material used, described ternary material is Li (Ni 0.6co 0.2mn 0.2) O 2, gram volume>=180mAh/g, 2000 cycle life conservation rate>=80%, comprise the following steps:
1, precursor solution preparation: 15.78 grams of (0.06mol) NiSO will be taken 46H 2o, 5.62 grams of (0.02mol) C osO47H 2o, 3.96 grams of (0.02mol) MnCl 24H 2add to after O powder in 5 grams of polyvinylpyrrolidones and 70g redistilled water, ultrasonic disperse obtains mixed solution A.Simultaneously at 50 DEG C of temperature, 8 grams of (0.2mol) NaOH and 2000mL redistilled waters are configured to 0.1mol/LNaOH solution and pour in four-necked bottle, and add 25.6 grams of (0.1mol) natrium citricums, 3.5 grams of (0.1mol) ammoniacal liquor, 4 grams of titanium oxide (0.05mol) and 0.6 gram of (0.05mol) active carbon, stir and obtain NaOH mixed liquid B.Under uniform stirring; in NaOH mixed liquid B mixed solution A added with the speed of 20mL/min with constant flow pump; drip after terminating completely and continue uniform stirring again 20 minutes; above process completes all under nitrogen protection; the mother liquor obtained is carried out suction filtration, washing, press filtration, 80 DEG C of redryings, grinding sieve, finally prepare aspherical Ni 0.6co 0.2mn 0.2(OH) 2presoma.
2, Ni in 24.24 grams of (1.01mol) lithium hydroxides and above-mentioned steps is taken 0.6co 0.2mn 0.2(OH) 29.2 grams (1.0mol) mix, and mixture is put in alumina crucible, in Muffle furnace, calcine (heating rate 5 DEG C/min), calcining point two stages, 500 DEG C of calcinings 6 hours, at 800 DEG C of degree calcining at constant temperature 16h, finally obtain ternary LiNi 0.6co 0.2mn 0.2o 2sample.
Embodiment 2:
A preparation method for lithium ion battery nickelic ternary material used, comprises the following steps:
1, precursor solution preparation: 15.78 grams of (0.06mol) NiSO will be taken 46H 2o, 5.62 grams of (0.02mol) C osO47H 2o, 3.96 grams of (0.02mol) MnCl 24H 2add to after O powder in 2.5 grams of polyethylene glycol and 240g redistilled water, ultrasonic disperse obtains mixed solution A.Simultaneously at 30 DEG C of temperature, 4 grams of (0.1mol) NaOH and 1000mL redistilled waters are configured to 0.1mol/LNaOH solution and pour in four-necked bottle, and add 3.7 grams of (0.1mol) ammonium fluorides, 3.5 grams of (0.1mol) ammoniacal liquor, 8 grams of titanium oxide (0.1mol) and 1.2 grams of (0.1mol) active carbons, stir and obtain NaOH mixed liquid B.Under uniform stirring; in NaOH mixed liquid B mixed solution A added with the speed of 20mL/min with constant flow pump; drip after terminating completely and continue uniform stirring again 20 minutes; above process completes all under nitrogen protection; the mother liquor obtained is carried out suction filtration, washing, press filtration, 80 DEG C of redryings, grinding sieve, finally prepare aspherical Ni 0.6co 0.2mn 0.2(OH) 2presoma.
2, Ni in 25.2 grams of (1.05mol) lithium hydroxides and above-mentioned steps is taken 0.6co 0.2mn 0.2(OH) 29.2 grams (1.0mol) mix, and mixture is put in alumina crucible, in Muffle furnace, calcine (heating rate 1 DEG C/min), calcining point two stages, 500 DEG C of calcinings 4 hours, at 800 DEG C of degree calcining at constant temperature 10h, finally obtain ternary LiNi 0.6co 0.2mn 0.2o 2sample.
Embodiment 3:
1, precursor solution preparation: 15.78 grams of (0.06mol) NiSO will be taken 46H 2o, 5.62 grams of (0.02mol) C osO47H 2o, 3.96 grams of (0.02mol) MnCl 24H 2add to after O powder in 12 grams of soluble starches and 37g redistilled water, ultrasonic disperse obtains mixed solution A.Simultaneously at 30 DEG C of temperature, 4 grams of (0.1mol) NaOH and 1000mL redistilled waters are configured to 0.1mol/LNaOH solution and pour in four-necked bottle, and add 3.7 grams of (0.1mol) ammonium fluorides, 3.5 grams of (0.1mol) ammoniacal liquor, 8 grams of titanium oxide (0.1mol) and 1.2 grams of (0.1mol) active carbons, stir and obtain NaOH mixed liquid B.Under uniform stirring; in NaOH mixed liquid B mixed solution A added with the speed of 20mL/min with constant flow pump; drip after terminating completely and continue uniform stirring again 20 minutes; above process completes all under nitrogen protection; the mother liquor obtained is carried out suction filtration, washing, press filtration, 80 DEG C of redryings, grinding sieve, finally prepare aspherical Ni 0.6co 0.2mn 0.2(OH) 2presoma.
2, Ni in 26.4 grams of (1.1mol) lithium hydroxides and above-mentioned steps is taken 0.6co 0.2mn 0.2(OH) 29.2 grams (1.0mol) mix, and mixture is put in alumina crucible, in Muffle furnace, calcine (heating rate 1 DEG C/min), calcining point two stages, 500 DEG C of calcinings 10 hours, at 800 DEG C of degree calcining at constant temperature 24h, finally obtain ternary LiNi 0.6co 0.2mn 0.2o 2sample.
(1) surface sweeping Electronic Speculum is tested: as seen from Figure 1, the ternary material that embodiment 1 is prepared presents spherical, and smooth surface, particle are homogeneous.
(2) electrical testing is detained
Respectively take positive active material LiNi that 2.0000g embodiment 1 ~ 3 prepare at 0.9: 0.05: 0.05 in mass ratio 0.6co 0.2mn 0.2o 2powder, 0.1111g conductive black, 0.1111gPVDF, mixing, then add 2.5g organic solvent NMP (1-METHYLPYRROLIDONE), fully mix.Aluminium foil is painted the film that thickness is 140 microns, 120 DEG C of vacuum drying 2h, use card punch to break into the disk of 5mm, use tablet press machine at 10Mpa lower sheeting, 120 DEG C of vacuum heat-preserving 12h, take positive plate weight.Button cell is assembled in the glove box of argon shield; take metal lithium sheet as negative pole, electrolyte is the EC(ethylene carbonate of volume ratio 1: 1), DMC(1,2-dimethyl carbonate) solvent; electrolyte LiPF6, barrier film is Celgard2400 microporous polyethylene film.The battery installed is tested electrical property on blue electric tester.In 3V-4.25V voltage range, with 0.2C constant current charge/discharge, test specific capacity, as shown in table 1, specific discharge capacity reaches 184.1mAh/g respectively, 183.6mAh/g, 182.9mAh/g.
Comparative example is that other is same as described above with the ternary material not carrying out modification that market is purchased for positive electrode.
Button electrical test results as shown in Figure 1.
Table 1 embodiment and comparative example button electrical test results contrast
Detain battery A1 A2 A3 Comparative example
Positive electrode Embodiment 1 Embodiment 2 Embodiment 3 Ternary material
Discharge capacity (mAh/g) first 184.1 183.6 182.9 165
Efficiency (%) first 91.5 90.9 90.2 88.2
As can be seen from Table 1, the button electricity battery adopting embodiment 1 ~ 3 gained tertiary cathode material obtained, its discharge capacity and efficiency are all apparently higher than comparative example.Experimental result shows, positive electrode of the present invention can make battery have good discharge capacity and efficiency first.
(3) soft-package battery test
Respectively with embodiment 1, embodiment 2, the ternary material that embodiment 3 is prepared, as positive electrode, take Delanium as negative material, adopts LiPF 6/ EC+DEC(volume ratio 1: 1) be electrolyte, Celgard 2400 film is barrier film, prepares 5AH soft-package battery C1, C2, C3, and the cycle performance testing its soft-package battery;
Battery as a comparison: purchase unmodified ternary material as positive electrode on market, Delanium is negative material, adopts LiPF 6/ EC+DEC(volume ratio 1: 1) be electrolyte, Celgard 2400 film is barrier film, prepares 5AH soft-package battery D; And be 0.5C/0.5C with multiplying power, voltage is under the condition of 2.7 ~ 4.2V, tests the cycle performance of its battery.Refer to table 2.
The cycle performance comparison sheet of table 2, embodiment and comparative example
Embodiment Initial capacity (Ah) Capacity (Ah) after 500 times Capacity (Ah) after 1000 times Capacity (Ah) after 1500 times Capacity (Ah) after 2000 times
Embodiment 1 5.24 4.95 4.85 4.78 4.75
Embodiment 2 5.27 4.99 4.88 4.79 4.70
Embodiment 3 5.26 4.92 4.85 4.77 4.70
Comparative example 5.21 4.71 4.64 4.52 4.38
Embodiment Initial capacity conservation rate (%) To circulate 500 conservation rates (%) Circulate conservation rate (%) after 1000 times Circulate conservation rate (%) after 1500 times To circulate 2000 conservation rates (%)
Embodiment 1 100 94.62 92.58 91.40 90.69
Embodiment 2 100 94.78 92.71 91.02 89.26
Embodiment 3 100 93.39 92.29 90.63 89.46
Comparative example 100 91.55 89.14 86.82 84.42
As can be seen from Table 2, the cycle performance of the nickelic ternary material adopting the present invention to prepare is better than comparative example, its reason may be owing to adding a small amount of nanometer titanium dioxide titanium additives, coated lithium battery material surface can suppress the oxidation activity on surface, reduce the interfacial reaction of electrode and electrolyte, thus improve the cyclical stability in lithium battery material charge and discharge process.

Claims (5)

1. a preparation method for lithium ion battery nickelic ternary material used, comprises the following steps: 1) precursor solution preparation, 2) mixed calcining; It is characterized in that:
1), precursor power: by NiSO 46H 2o, C osO47H 2o, MnCl 24H 2o is 6:2:2 proportions in molar ratio, and adds strength solution, the ultrasonic disperse that the water-soluble carbochain organic solvent of certain mass is configured to 5% ~ 20% in redistilled water and obtain mixed solution A; Simultaneously at 30 ~ 80 DEG C of temperature, the NaOH solution of preparation 0.1mol/L is poured in four-necked bottle, and add complexing agent, chelating agent and additive, wherein mol ratio: NaOH: complexing agent: chelating agent: additive=(1 ~ 2): 1:1:(1 ~ 2), obtain NaOH mixed liquid B; Under uniform stirring; with certain speed, mixed solution A is added in NaOH mixed liquid B with constant flow pump; drip after terminating completely and continue uniform stirring again 10 ~ 60 minutes; above process completes all under nitrogen protection; afterwards the mother liquor obtained is carried out suction filtration, washing, press filtration, redrying, grinding sieve, finally prepare aspherical Ni 0.6co 0.2mn 0.2(OH) 2presoma;
2), mixed calcining: by lithium hydroxide and Ni 0.6co 0.2mn 0.2(OH) 2example (1.01 ~ 1.10) in molar ratio: 1 mixes, mixture is put in alumina crucible, calcine in Muffle furnace: heating rate 1 ~ 10 DEG C/min, calcining point two stages, 500 DEG C of calcinings (4 ~ 10) hour, 800 DEG C of degree calcining at constant temperature (12 ~ 24) hour, obtain ternary Li (Ni 0.6co 0.2mn 0.2) O 2material.
2. the preparation method of a kind of lithium ion battery according to claim 1 nickelic ternary material used, it is characterized in that: the complexing agent in described step 1) is ammonium fluoride, natrium citricum, one or more in disodium ethylene diamine tetraacetate (EDTA).
3. the preparation method of a kind of lithium ion battery according to claim 1 nickelic ternary material used, it is characterized in that: the additive in described step 1) is nano-titanium oxide and active carbon, its molar ratio is 1:1.
4. the preparation method of a kind of lithium ion battery according to claim 1 nickelic ternary material used, is characterized in that: the chelating agent in described step 1) is NH 3h 2o.
5. the preparation method of a kind of lithium ion battery according to claim 1 nickelic ternary material used, is characterized in that: the organic solvent in described step 1) is one or more in soluble starch, polyvinylpyrrolidone, polyethylene glycol.
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105680019A (en) * 2016-03-16 2016-06-15 江苏乐能电池股份有限公司 Preparation method of high-rate ternary material
CN106058238A (en) * 2016-07-25 2016-10-26 四川省有色冶金研究院有限公司 Modified spherical nickel cobalt lithium manganate NCM622 anode material and preparation method thereof
CN106532006A (en) * 2016-12-16 2017-03-22 无锡晶石新型能源有限公司 Preparation method of cobaltous oxide coated ternary anode material
CN107978751A (en) * 2017-11-30 2018-05-01 宁波容百锂电材料有限公司 A kind of high electrochemical activity tertiary cathode material and preparation method thereof
CN109461925A (en) * 2018-06-29 2019-03-12 北京当升材料科技股份有限公司 A kind of monocrystalline nickel-cobalt lithium manganate cathode material, presoma and preparation method thereof
CN109841827A (en) * 2019-01-22 2019-06-04 上海应用技术大学 A kind of tertiary cathode material and preparation method thereof that lithium ion battery vanadium replaces
CN113998744A (en) * 2021-10-29 2022-02-01 西南交通大学 High-capacity and high-multiplying-power LiNi0.6Co0.2Mn0.2O2Positive electrode material, preparation method and application

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101740752A (en) * 2009-12-16 2010-06-16 深圳市德方纳米科技有限公司 Core-shell composite anode material for lithium ion battery and preparation method thereof
KR20140081741A (en) * 2012-12-21 2014-07-01 삼성정밀화학 주식회사 a fabricating method of metal oxide coated cathode material, metal oxide coated cathode material fabricated thereby, an electrode for lithium secondary battery and a lithium secondary battery including the same
CN104078669A (en) * 2013-03-29 2014-10-01 北京当升材料科技股份有限公司 Preparation method of multi-component positive electrode material
CN104134795A (en) * 2014-07-25 2014-11-05 江南大学 Preparation method of spherical layer-structured anode material externally coated with nanocrystalline metal oxide for lithium ion battery

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101740752A (en) * 2009-12-16 2010-06-16 深圳市德方纳米科技有限公司 Core-shell composite anode material for lithium ion battery and preparation method thereof
KR20140081741A (en) * 2012-12-21 2014-07-01 삼성정밀화학 주식회사 a fabricating method of metal oxide coated cathode material, metal oxide coated cathode material fabricated thereby, an electrode for lithium secondary battery and a lithium secondary battery including the same
CN104078669A (en) * 2013-03-29 2014-10-01 北京当升材料科技股份有限公司 Preparation method of multi-component positive electrode material
CN104134795A (en) * 2014-07-25 2014-11-05 江南大学 Preparation method of spherical layer-structured anode material externally coated with nanocrystalline metal oxide for lithium ion battery

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105680019A (en) * 2016-03-16 2016-06-15 江苏乐能电池股份有限公司 Preparation method of high-rate ternary material
CN106058238A (en) * 2016-07-25 2016-10-26 四川省有色冶金研究院有限公司 Modified spherical nickel cobalt lithium manganate NCM622 anode material and preparation method thereof
CN106532006A (en) * 2016-12-16 2017-03-22 无锡晶石新型能源有限公司 Preparation method of cobaltous oxide coated ternary anode material
CN107978751A (en) * 2017-11-30 2018-05-01 宁波容百锂电材料有限公司 A kind of high electrochemical activity tertiary cathode material and preparation method thereof
CN107978751B (en) * 2017-11-30 2020-07-03 宁波容百新能源科技股份有限公司 Ternary positive electrode material with high electrochemical activity and preparation method thereof
CN109461925A (en) * 2018-06-29 2019-03-12 北京当升材料科技股份有限公司 A kind of monocrystalline nickel-cobalt lithium manganate cathode material, presoma and preparation method thereof
CN109841827A (en) * 2019-01-22 2019-06-04 上海应用技术大学 A kind of tertiary cathode material and preparation method thereof that lithium ion battery vanadium replaces
CN113998744A (en) * 2021-10-29 2022-02-01 西南交通大学 High-capacity and high-multiplying-power LiNi0.6Co0.2Mn0.2O2Positive electrode material, preparation method and application

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