CN105591096A - Industrial production method of nickel cobalt lithium manganite ternary positive electrode material with cycle life more than 3000 times - Google Patents
Industrial production method of nickel cobalt lithium manganite ternary positive electrode material with cycle life more than 3000 times Download PDFInfo
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- H01M10/05—Accumulators with non-aqueous electrolyte
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- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
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- 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
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Abstract
The invention relates to a production technology of positive electrode materials of lithium ion batteries and particularly relates to an industrial production method of a nickel cobalt lithium manganite ternary positive electrode material with a cycle life more than 3000 times. The industrial production method comprises the following steps: (1) accurately weighing a nickel cobalt manganese hydroxide precursor with the D50 of 10.0-12.0 microns, wherein the total weight is about A tons; adding the precursor into an efficient mixer; meanwhile, accurately weighing B tons of lithium source according to a certain ratio (Li/Me) and adding the lithium source into the efficient mixer; uniformly mixing, wherein the weight ratio of A to B is (4:1) to (2:1); (2) feeding the mixture prepared by the step (1) into a sagger and conveying the sagger into a roller kiln; heating to a certain temperature at a certain speed and preserving the heat for certain time; adding the material into a cooling region, and cooling by air cooling and water cooling, wherein the cooling speed is 2.0 DEG C/min-5.0 DEG C/min, and the air inflow and the exhausting amount are accurately controlled to be 10.0m<3>/h-50.0<3>/h and 1000m<3>/h-3500m<3>/h respectively; and after discharging the mixture out of a furnace, roughly crushing and finely crushing to obtain LiNxCoyMn1-x-yO2 with the D50 of 11.0-14.0 microns, wherein x is more than or equal to 0.45 and less than or equal to 0.55 and y is more than or equal to 0.15 and less than or equal to 0.25. With the adoption of the method provided by the invention, the increasing of charge migration resistance in a circulating process can be reduced, the circulating performance of materials is improved, and more than or equal to 90% of the capacity can be kept after 2000 cycles.
Description
Technical field
The present invention relates to a kind of anode material for lithium-ion batteries production technology, be specially a kind of circulationLife-span is higher than the industrialized preparing process of 3000 nickle cobalt lithium manganate tertiary cathode materials.
Background technology
Lithium ion battery is as a kind of important new forms of energy, because of high, the memoryless effect of its energy densityShould, the advantage such as self-discharge rate is low, pollution-free and gaining great popularity. Along with in recent years to energy-conservation and ringThe demand of protecting increases day by day, and the application of lithium battery is also healed and become extensively, and anode material of lithium battery is doneFor its core critical material, the development prospect of the sector is very good.
Lithium ion battery is extensive use in the product such as mobile phone, notebook, and along with countryNew forms of energy promote, at the aspect such as electric automobile, application presents explosive growth. Positive electrode certainlyDetermining the performance such as energy density and cycle life of battery, is most important composition in lithium ion batteryPart.
At present, the nickel-cobalt-manganese ternary positive electrode that has stratiform packed structures is by means of its Fabrication of High Specific CapacitanceAmount, good, the Heat stability is good of cycle performance and the advantage such as cheap are ground by people rapidlyStudying carefully utilization, is the high performance lithium ion battery anode material that a kind of tool has great prospects for development. JustUtmost point material mainly comprises cobalt acid lithium, LiFePO4, LiMn2O4, nickle cobalt lithium manganate etc. Cobalt acid lithiumStable electrochemical property, to roll density high, but expensive, over-charging is poor, security performancePoor, LiFePO4 cycle performance excellence, but poor performance at low temperatures, energy density are low, batch stableProperty is poor; LiMn2O4 is cheap, but has the shortcomings such as energy density low and high temperature Cycle Difference; NickelCobalt manganic acid lithium specific capacity is high, security performance is high, cost is lower, applies more and more extensive; But nickelThere is the shortcomings such as cycle performance is poor in cobalt manganic acid lithium, 2000 weeks circulation volume conservation rates only 80%, limitMake its further applying in electrokinetic cell field.
At present, prepare nickle cobalt lithium manganate (LiNixCoyMn1-x-yO2) common method have high temperature solid-stateMethod and co-precipitation-high temperature solid-state method. High temperature solid-state method is by nickel source, cobalt source, manganese source, lithium sourceBall milling is even, then carries out high-temperature calcination. The shortcoming of the method is to be difficult to three kinds of elements of nickel cobalt manganeseMix, therefore just can not give full play to three's synergy, and the material of preparationPattern is difficult to control, and synthetic powder body material is made up of random particle conventionally, this materialBulk density low, poor fluidity, is unfavorable for the making of positive electrode. Another kind method is altogetherPrecipitation-high temperature solid-state method, first prepares nickel cobalt manganese hydroxide presoma by coprecipitation,Add lithium source sintering again, obtain nickle cobalt lithium manganate, the method is in the sintering process adding behind lithium sourceIn, substantially do not change pattern and the granularity of presoma. And the pattern of nickel-cobalt lithium manganate material, grainDegree plays a part crucial in many performances of lithium ion battery, synthesizes and has suitable patternBecome with the precursor of nickel-cobalt-lithium-manganese-oxide of granularity the key that affects nickle cobalt lithium manganate performance.
China Patent Publication No. CN101630736A discloses a kind of lithium battery tertiary cathode materialImproving one's methods of cycle performance, comprises the steps:
Detect: lithium battery tertiary cathode material is detected to analysis, obtain the content of lithium carbonate,Described lithium battery tertiary cathode material is nickle cobalt lithium manganate, and prepares described lithium battery tertiary cathodeWhen material, adopt lithium carbonate as Li source compound;
Proportioning reaction: according to the content of lithium carbonate, according to chemical equation: TiO2+Li2CO3＝Li2TiO3+1/2CO2Proportioning add titanium dioxide, after sintering, obtain containing Li2TiO3Lithium batteryTertiary cathode material.
China Patent Publication No. CN104810521A also discloses the anodal material of a kind of nickel-cobalt-manganese ternaryMaterial preparation method, it is characterized in that, Bao draw together Ru Xia Walk rapid:
(1) by nickel salt, cobalt salt, manganese salt according to certain mixed in molar ratio, add deionized waterStirring and dissolving, makes mixing salt solution; Water soluble alkali is dissolved in deionized water, is mixed with alkaliSolution; Oxidant is dissolved in deionized water, is mixed with oxidizing agent solution; At 25～80 DEG CUnder, by aqueous slkali and oxidizing agent solution respectively with the flow velocity of 5mL/min～100mL/min simultaneouslyJoin in described mixing salt solution, at the uniform velocity stir, treat that aqueous slkali and oxidizing agent solution add completelyAfter entering, sealed reactor, continues stirring reaction 3～8h under normal pressure, obtains coprecipitation reaction mixedCompound; Above-mentioned coprecipitation reaction mixture is carried out to Separation of Solid and Liquid, with deionized water washing 3～4 times, filtrate is placed in to baking oven, vacuum drying 12～24h at 80～100 DEG C,To tertiary cathode material presoma;
(2) in above-mentioned tertiary cathode material presoma, add lithium salts mixed grinding, the adding of lithium saltsEntering amount is Li:(Ni+Co+Mn) mol ratio is 1～1.2:1, after grinding evenly, carries out high temperatureCuring reaction: be first incubated 5h at 500 DEG C, then be warmed up to sintering 24h at 900 DEG C, obtainPositive electrode LiNi0.8Co0.15Mn0.05O2；
(3) lithium salts and boron compound are joined to ethanolic solution according to mol ratio Li:B=1:2In, stir 1～2h, by positive electrode LiNi0.8Co0.15Mn0.05O2Join in this solution,Mix and blend 4～8h at the temperature of 70～80 DEG C, until ethanol evaporates completely, at air atmosphereAt 400～600 DEG C, heat treatment 4～10h, obtains Li2O2-B2O3Coated nickel-cobalt-manganese ternary positive poleMaterial. Above-mentioned two kinds of methods are all by being coated TiO on nickel-cobalt lithium manganate material surface2After, materialMaterial surface forms the Li of good electric conductivity2TiO3, can barrier material with the contact of electrolyte,Reduce the erosion of electrolyte to material, reduce the stripping of transition metal, improve the cyclicity of materialCan, but after improving, the cycle performance of material is still poor, and specific capacity reduces more, and bagCover operation and increase processing cost.
Summary of the invention
For the problems of the prior art, the invention provides a kind of circulation longevity of cycle performance excellenceLife is higher than the industrialized preparing process of 3000 nickle cobalt lithium manganate tertiary cathode materials.
For realizing above technical purpose, technical scheme of the present invention is: a kind of cycle life higher thanThe industrialized preparing process of 3000 nickle cobalt lithium manganate tertiary cathode materials, comprises the following steps:
1) the nickel cobalt manganese hydroxide presoma at 10.0～12.0 μ m by D50, accurate weighing,Amount to about A ton, add high efficient mixer, while (Li/Me) according to a certain ratio, accurately claimsAmount, B ton lithium source, adds this high efficient mixer, mixes, described A:B weight ratio be 4:1～2:1；
2) mixture of being prepared by step 1 packs saggar into and enters in roller kilns, with given paceIntensification uniform temperature, and insulation certain hour, material passes through air-cooled, water after entering cooling areaCold cooling, rate of temperature fall is 2.0～5.0 DEG C/min, accurately control air inflow and be 10.0～50.0m3/ h, capacity 1000～3500m3/ h; After coming out of the stove, through coarse crushing, fine powder is broken to be obtainedLiNi to D50 at 11.0～14.0 μ mxCoyMn1-x-yO2，0.45≤x≤0.55，0.15≤y≤0.25。
As preferably, the lithium source of described step 1 is a kind of in lithium hydroxide, lithium carbonate or isThe mixture of lithium hydroxide, lithium carbonate;
As preferably, certain proportioning (Li/Me) of described step 1 is mol ratio: 1.02～1.05。
As preferably, the related uniform temperature of described step 2 is 830～950 DEG C.
As preferably, the related uniform temperature of described step 2 is preferably 860～920 DEG C.
As preferably, the related heating rate of described step 2 is 0.5～5.0 DEG C/min,Preferably 1.0～3.0 DEG C/min.
As preferably, the related temperature retention time of described step 2 is 4～24h, preferably 10～16h。
As can be seen from the above description, the present invention possesses following advantage: by optimizing roasting system,Control the reactivity of presoma, lithium salts mixture, control a para-crystal of nickel-cobalt lithium manganate materialGrain size, shortens Li in charge and discharge process+The evolving path, reduce polarization; Optimize roasting systemDegree can also improve crystal structure, reduces structural collapse and distortion of lattice in charge and discharge process, subtractsThe increase of few cyclic process charge migration impedance, the cycle performance of raising material, holds for 2000 weeksAmount conservation rate reaches more than 90%.
Brief description of the drawings
Fig. 1 is nickle cobalt lithium manganate LiNi in the embodiment of the present invention 10.5Co0.2Mn0.3O2ESEMFigure;
Fig. 2 is in the embodiment of the present invention 1 at 25 DEG C, nickle cobalt lithium manganate LiNi0.5Co0.2Mn0.3O21C3000 weeks cyclic curve figure that discharge and recharge;
Detailed description of the invention
Be described in detail below in conjunction with 1 to 2 pair of preferred embodiment of the present invention of accompanying drawing, so thatThereby advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that the present inventionProtection domain make more explicit defining.
A kind of cycle life is raw higher than the industrialization of 3000 nickle cobalt lithium manganate tertiary cathode materialsProduct method, comprises the following steps:
1) the nickel cobalt manganese hydroxide presoma at 10.0～12.0 μ m by D50, accurate weighing,Amount to about A ton, add high efficient mixer, while (Li/Me) according to a certain ratio, accurately claimsAmount, B ton lithium source, adds this high efficient mixer, mixes, described A:B weight ratio be 4:1～2:1；
2) mixture of being prepared by step 1 packs saggar into and enters in roller kilns, with given paceIntensification uniform temperature, and insulation certain hour, material passes through air-cooled, water after entering cooling areaCold cooling, rate of temperature fall is 2.0～5.0 DEG C/min, accurately control air inflow and be 10.0～50.0m3/ h, capacity 1000～3500m3/ h; After coming out of the stove, through coarse crushing, fine powder is broken to be obtainedLiNi to D50 at 11.0～14.0 μ mxCoyMn1-x-yO2，0.45≤x≤0.55，0.15≤y≤0.25。
The lithium source of described step 1 be a kind of in lithium hydroxide, lithium carbonate or for lithium hydroxide,The mixture of lithium carbonate;
Certain proportioning (Li/Me) of described step 1 is mol ratio: 1.02～1.05.
The related uniform temperature of described step 2 is 830～950 DEG C.
The related uniform temperature of described step 2 is preferably 860～920 DEG C.
The related heating rate of described step 2 is 0.5～5.0 DEG C/min, preferably 1.0～3.0℃/min。
The related temperature retention time of described step 2 is 4～24h, preferably 10～16h.
The nickle cobalt lithium manganate power tertiary cathode material of preparation is made into simulated battery test electricityPerformance, the electrode component part by weight in simulated battery is active material: conductive agent (acetylene black):Binding agent (PVDF)=80:12:8; Negative pole adopts lithium sheet; Barrier film adopts Celgard#5550Model; Electrolyte is the LiPF6 solution of 1mol/L, and solvent is the EC (carbon of volume ratio 1:1Vinyl acetate): DEC (dimethyl carbonate), 2.7～4.3V discharges and recharges.
Embodiment 1:
1) the nickel cobalt manganese hydroxide presoma at 10.0～12.0 μ m by D50, accurate weighing,Amount to approximately 2 tons, add high efficient mixer, press Li/Me=1.04 simultaneously, accurate weighing approximately 0.8Ton lithium carbonate adds high efficient mixer to mix;
2) mixture of being prepared by step 1 packs saggar into and enters in roller kilns with certain speed,Be warmed up to 880 DEG C with 1.5 DEG C/min given pace, and insulation 15h, material enters coolingBehind district, by air-cooled, water-cooled cooling, rate of temperature fall is 2.0～5.0 DEG C/min, accurately controlsAir inflow is 10.0～50.0m3/ h, capacity 1000～3500m3/ h; After coming out of the stove, processCoarse crushing, the broken LiNi of D50 at 11.0～14.0 μ m that obtain of fine powderxCoyMn1-x-yO2，0.45≤x≤0.55，0.15≤y≤0.25。
Embodiment 2:
1) the nickel cobalt manganese hydroxide presoma at 10.0～12.0 μ m by D50, accurately claimsAmount, amounts to approximately 2 tons, adds high efficient mixer, presses Li/Me=1.02, accurate weighing simultaneouslyApproximately 0.95 ton of lithium hydroxide adds high efficient mixer to mix;
2) mixture of being prepared by step 1 packs saggar into and enters in roller kilns with certain speed,Be warmed up to 900 DEG C with 3 DEG C/min given pace, and insulation 10h, material enters cooling areaBy air-cooled, water-cooled cooling, rate of temperature fall is 2.0～5.0 DEG C/min afterwards, accurately control intoTolerance is 10.0～50.0m3/ h, capacity 1000～3500m3/ h; After coming out of the stove, through thickPulverize the broken LiNi of D50 at 11.0～14.0 μ m that obtain of fine powderxCoyMn1-x-yO2，0.45≤x≤0.55，0.15≤y≤0.25。
Embodiment 3
1) the nickel cobalt manganese hydroxide presoma at 10.0～12.0 μ m by D50, accurately claimsAmount, amounts to approximately 2 tons, adds high efficient mixer, presses Li/Me=1.05, accurate weighing simultaneouslyApproximately 0.8 ton of lithium carbonate, adds this high efficient mixer, mixes;
2) mixture of being prepared by step 1 packs saggar into and enters in roller kilns with certain speed,Be warmed up to 920 DEG C with 1.0 DEG C/min given pace, and insulation 15h, material enters coolingBehind district, by air-cooled, water-cooled cooling, rate of temperature fall is 2.0～5.0 DEG C/min, accurately controlsAir inflow is 10.0～50.0m3/ h, capacity 1000～3500m3/ h; After coming out of the stove, processCoarse crushing, the broken LiNi of D50 at 11.0～14.0 μ m that obtain of fine powderxCoyMn1-x-yO2，0.45≤x≤0.55，0.15≤y≤0.25。
Be understandable that, above about specific descriptions of the present invention, only for the present invention is describedAnd be not limited to the described technical scheme of the embodiment of the present invention. The ordinary skill people of this areaMember should be appreciated that still and can modify or be equal to replacement the present invention, to reach identicalTechnique effect; Use needs as long as meet, all within protection scope of the present invention.
Claims (7)
1. cycle life, higher than an industrialized preparing process for 3000 nickle cobalt lithium manganate tertiary cathode materials, comprises the following steps:
1) the nickel cobalt manganese hydroxide presoma at 10.0～12.0 μ m by D50, accurate weighing, amount to about A ton, add high efficient mixer, while (Li/Me) according to a certain ratio, accurate weighing, B ton lithium source, add this high efficient mixer, mix, described A:B weight ratio is 4:1～2:1;
2) mixture of being prepared by step 1 packs saggar into and enters in roller kilns, with given pace intensification uniform temperature, and insulation certain hour, material passes through air-cooled, water-cooled cooling after entering cooling area, rate of temperature fall is 2.0～5.0 DEG C/min, and accurately controlling air inflow is 10.0～50.0m3/ h, capacity 1000～3500m3/ h; After coming out of the stove, through coarse crushing, the broken LiNi of D50 at 11.0～14.0 μ m that obtain of fine powderxCoyMn1-x-yO2，0.45≤x≤0.55，0.15≤y≤0.25。
2. the industrialized preparing process higher than 3000 nickle cobalt lithium manganate tertiary cathode materials according to the desired cycle life of right 1, is characterized in that: the lithium source of described step 1 is a kind of in lithium hydroxide, lithium carbonate or the mixture for lithium hydroxide, lithium carbonate.
3. the industrialized preparing process higher than 3000 nickle cobalt lithium manganate tertiary cathode materials according to the desired cycle life of right 1, is characterized in that: certain proportioning (Li/Me) of described step 1 is mol ratio: 1.02～1.05.
4. the industrialized preparing process higher than 3000 nickle cobalt lithium manganate tertiary cathode materials according to the desired cycle life of right 1, is characterized in that: the related uniform temperature of described step 2 is 830～950 DEG C.
5. the industrialized preparing process higher than 3000 nickle cobalt lithium manganate tertiary cathode materials according to the desired cycle life of right 1, is characterized in that: the related uniform temperature of described step 2 is preferably 860～920 DEG C.
6. the industrialized preparing process higher than 3000 nickle cobalt lithium manganate tertiary cathode materials according to the desired cycle life of right 1, is characterized in that: the related heating rate of described step 2 is 0.5～5.0 DEG C/min, preferably 1.0～3.0 DEG C/min.
7. the industrialized preparing process higher than 3000 nickle cobalt lithium manganate tertiary cathode materials according to the desired cycle life of right 1, is characterized in that: the related temperature retention time of described step 2 is 4～24h, preferably 10～16h.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106856239A (en) * | 2016-12-23 | 2017-06-16 | 五龙动力(重庆)锂电材料有限公司 | High-pressure solid anode material for lithium-ion batteries and preparation method thereof |
| CN108717976A (en) * | 2018-05-24 | 2018-10-30 | 广东邦普循环科技有限公司 | A kind of preparation method of high density power type nickel-cobalt lithium manganate cathode material |
| CN114573048A (en) * | 2022-03-15 | 2022-06-03 | 北京当升材料科技股份有限公司 | Preparation method of lithium battery positive electrode material and lithium battery positive electrode material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420322A (en) * | 2011-11-21 | 2012-04-18 | 湖南杉杉户田新材料有限公司 | Multi-element composite positive electrode material for lithium secondary battery and preparation method thereof |
| CN103453764A (en) * | 2013-10-09 | 2013-12-18 | 湖南航天工业总公司 | High sintering roller way kiln |
| CN105355906A (en) * | 2015-11-28 | 2016-02-24 | 中信大锰矿业有限责任公司大新锰矿分公司 | Preparing method for spherical LiMn1-x-yNixCoyO2 anode material |
-
2016
- 2016-03-03 CN CN201610122142.4A patent/CN105591096A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420322A (en) * | 2011-11-21 | 2012-04-18 | 湖南杉杉户田新材料有限公司 | Multi-element composite positive electrode material for lithium secondary battery and preparation method thereof |
| CN103453764A (en) * | 2013-10-09 | 2013-12-18 | 湖南航天工业总公司 | High sintering roller way kiln |
| CN105355906A (en) * | 2015-11-28 | 2016-02-24 | 中信大锰矿业有限责任公司大新锰矿分公司 | Preparing method for spherical LiMn1-x-yNixCoyO2 anode material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106856239A (en) * | 2016-12-23 | 2017-06-16 | 五龙动力(重庆)锂电材料有限公司 | High-pressure solid anode material for lithium-ion batteries and preparation method thereof |
| CN108717976A (en) * | 2018-05-24 | 2018-10-30 | 广东邦普循环科技有限公司 | A kind of preparation method of high density power type nickel-cobalt lithium manganate cathode material |
| CN114573048A (en) * | 2022-03-15 | 2022-06-03 | 北京当升材料科技股份有限公司 | Preparation method of lithium battery positive electrode material and lithium battery positive electrode material |
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