CN105680015A - Cathode material formed by coating lanthanum oxide on surface of ternary material and preparation method of cathode material - Google Patents
Cathode material formed by coating lanthanum oxide on surface of ternary material and preparation method of cathode material Download PDFInfo
- Publication number
- CN105680015A CN105680015A CN201610058602.1A CN201610058602A CN105680015A CN 105680015 A CN105680015 A CN 105680015A CN 201610058602 A CN201610058602 A CN 201610058602A CN 105680015 A CN105680015 A CN 105680015A
- Authority
- CN
- China
- Prior art keywords
- ternary material
- preparation
- lithium
- lanthana
- lanthanum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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
- H01M4/36—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
- 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
- H01M4/624—Electric conductive 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
The invention discloses a cathode material formed by coating lanthanum oxide on surface of ternary material. The ternary material is nickel-cobalt-lithium manganate; a molecular formula of the lithium cobalt nickel oxide material is LiNi<1/3>Co<1/3>Mn<1/3>O<2>; and the mass of lanthanum oxide is 4%-10% that of the ternary material. The preparation method comprises the following specific steps: carrying out ball-milling and uniform mixing on a ternary material precursor and a lithium source and then carrying out calcination in a protective gas to obtain the ternary material; and carrying out grinding and uniform mixing on the ternary material and a lanthanum source and then carrying out calcination in the protective gas to obtain the cathode material of the lanthanum oxide-coated ternary material. The cathode material has the characteristics of being simple in manufacturing method, convenient to operate, low in cost, beneficial to industrial production and the like; an electrochemical performance test shows that the lanthanum oxide-coated ternary material synthesized by the method not only has high specific capacity and relatively good cycle performance, but also has excellent high-temperature performance.
Description
Technical field
The invention belongs to lithium ion anode material technical field, particularly relate to a kind of positive electrode at ternary material Surface coating lanthana and preparation method thereof.
Background technology
Along with the exhaustion day by day of fossil energy, energy problem is increasingly becoming the focus that people pay close attention to. At present, find alternative new forms of energy and can be used for the new material of energy storage and have become as one of people's emphasis carrying out scientific research. Secondary cell has become as the critical product in new and high technology at present, it is desirable to it has less size, lighter weight and the energy of Geng Gao, and lithium ion battery has adapted to this requirement just. It addition, lithium ion battery also as an alternative the energy storage device of the energy directly apply to electric motor car and hybrid electric vehicle. Most potential anode material of lithium battery mainly has lithium cobalt oxide, lithium nickel oxygen and lithium manganese oxygen three kinds in the market. Mainly with LiCoO in commercial anode material for lithium-ion batteries at present2It is main. But the natural resources of Co lacks, expensive so that the high cost of lithium ion battery. Lithium nickel oxygen is harsh due to synthesis condition, is difficult to prepare the product of certain stoichiometric proportion; Although the lithium manganese oxygen of stratiform has the specific capacity of more than 200mAh/g, but structural stability is poor. It is low that the ternary material of Surface coating lanthana there is also specific capacity, and capacity attenuation is very fast, and especially the cycle performance under high temperature constrains its scale application. It is generally acknowledged that in Jahn-Teller effect, the dissolving of manganese and charge and discharge process, the transformation of phase is the reason causing its capacity attenuation. Research shows the advantage that novel anode material [Li-Ni-Co-Mn-O] (abbreviation ternary material) has had both lithium cobalt oxide, lithium nickel oxygen, lithium manganese oxygen preferably, and compensate for respective deficiency to a certain extent, there is the features such as height ratio capacity, stable cycle performance, advantage of lower cost, security performance be better, it is considered as the ideal chose for mixed type electrical source of power (HEV), is also considered as best to replace LiCoO2Positive electrode. But ternary material still suffers from certain problem, Ni2+With Li+Radius is close, easily occupies lithium position so that Li+Again embedding difficulty, thus causing the irreversible loss of material capacity, affecting its cycle performance; High-rate characteristics is poor; There is the deficiencies such as discharge voltage is on the low side, tap density is less. For meeting present industrial requirement, synthesize a kind of high-quality ternary material and remain a very challenging problem.
Summary of the invention
The technical problem to be solved is, overcome the deficiency and defect mentioned in background above technology, a kind of simple to operation, with low cost, preparation method of being beneficial to the ternary material of industrialized production is provided, and is applied to the positive electrode of lithium ion battery.
For solving above-mentioned technical problem, the technical scheme that the present invention proposes is:
A kind of positive electrode at ternary material Surface coating lanthana, described ternary material is nickle cobalt lithium manganate, and the molecular formula of described nickel-cobalt lithium manganate material is LiNi1/3Co1/3Mn1/3O2; The quality of described lanthana is the 4%～10% of ternary material quality.
The preparation method that the present invention also provides for a kind of positive electrode at ternary material Surface coating lanthana, comprises the following steps:
(1) first by mix homogeneously after ternary material precursor and lithium source ball milling, calcining obtains ternary material under a shielding gas;
(2) mix homogeneously after ternary material being ground with lanthanum source, calcine under a shielding gas, namely obtain the positive electrode at ternary material Surface coating lanthana; Described ternary material is nickle cobalt lithium manganate.
Above-mentioned preparation method, preferably, described lithium source is any one in monohydrate lithium hydroxide, lithium acetate or lithium nitrate, and the presoma of described ternary material is hydroxyl cobalt nickel manganese, and it is Li:Co:Ni:Mn=3:1:1:1 that the addition of described lithium source and ternary material measures molar ratio computing on an atomic basis.
Above-mentioned preparation method, it is preferred that in described step (1), the temperature of calcining is 500～1000 DEG C, and calcination time is 8～20h; It is further preferred that calcining heat is 750～950 DEG C, calcination time is 9～12h.
Above-mentioned preparation method, it is preferred that in described step (2), calcining heat is 550～750 DEG C, and calcination time is 4～10h.
Above-mentioned preparation method, it is preferred that in described step (1), the rotating speed of ball milling is 350～550r/min, and Ball-milling Time is 1～5h.
Above-mentioned preparation method, it is preferred that in described step (2), the time of grinding is 10～30min.
Above-mentioned preparation method, it is preferred that in described step (2), described lanthanum source is one or more mixing in lanthanum chloride, lanthanum acetate or Lanthanum (III) nitrate; Addition is ternary material quality the 6～10% of described lanthanum source.
Above-mentioned preparation method, it is preferred that in described step (1) and (2), the heating rate before calcining is 5～10 DEG C/min.
Above-mentioned preparation method, it is preferred that in described step (1) and (2), described protective gas is argon or nitrogen.
The present invention selects Li [NixCo1-2xMnx]O2The special case LiNi of the x=1/3 in system1/3Co1/3Mn1/3O2As ternary matrix material (LiNi1/3Co1/3Mn1/3O2Owing to having single α-NaFeO2Type layered rock salt structure, space group is R-3m. Lithium ion occupies the 3a position of rock salt structure, and transition metal ion occupies 3b position, and oxonium ion occupies 6c position), utilize LiNi1/3Co1/3Mn1/3O2In material, cooperative effect between nickel, cobalt, manganese and Ni, Co and Mn exist with+2 ,+3 ,+4 valencys respectively, are beneficial to valence state balance, and structure is highly stable, in conjunction with adopting the method for Surface coating lanthana to LiNi1/3Co1/3Mn1/3O2Ternary material improves, and not only can improve LiNi1/3Co1/3Mn1/3O2The electric conductivity of material, but also lithium ion loss in filling an electric process can be reduced, improve the discharge voltage of battery, improve ternary material cycle performance and electric conductivity.
Compared with prior art, it is an advantage of the current invention that:
(1) present invention synthesizes the ternary material of a kind of Surface coating lanthana, synthesis technique simple operations, and generated time is shorter, and the ternary material cycle performance that the cladding material synthesized overcomes traditional method synthesis is poor, the shortcomings such as electric conductivity is bad.
(2) present invention synthesizes the product purity height that the ternary material of a kind of Surface coating lanthana not only obtains, and particle diameter ratio is more uniform, and simple to operation, is beneficial to the production of the industrial high efficiency rate of the ternary material of cladding.
(3) cost of material used in the ternary material synthesizing a kind of Surface coating lanthana of the present invention is relatively low, therefore the ternary material of synthetic surface cladding has that manufacture method is simple, easy to operate, with low cost, be beneficial to the features such as industrialized production, find through electrochemical property test, the ternary material of the Surface coating lanthana of the method synthesis not only has height ratio capacity and good cycle performance, and high-temperature behavior is also very excellent.
Accompanying drawing explanation
The discharge curve first obtained is tested in the Surface coating lanthana ternary material assembled battery that Fig. 1 is the embodiment of the present invention 1 preparation.
Fig. 2 is the high temperature cyclic performance curve chart that Surface coating lanthana ternary material assembled battery prepared by the embodiment of the present invention 1 obtains.
Detailed description of the invention
For the ease of understanding the present invention, below in conjunction with Figure of description and preferred embodiment, the present invention is made more comprehensively, describes meticulously, but protection scope of the present invention is not limited to embodiment in detail below.
Unless otherwise defined, the implication that all technical term used hereinafter is generally understood that with those skilled in the art is identical. Technical term used herein is intended merely to the purpose describing specific embodiment, is not intended to limit the scope of the invention.
Unless otherwise specified, the various raw materials used in the present invention, reagent, instrument and equipment etc. all can be commercially available by market or can be prepared by existing method.
Embodiment 1:
The positive electrode at ternary material Surface coating lanthana of a kind of present invention, ternary material is nickle cobalt lithium manganate, and the quality of lanthana accounts for about the 6% of ternary material quality.
The preparation method of the positive electrode at ternary material Surface coating lanthana of the present invention, comprises the following steps:
(1) ternary material presoma Ni is weighed respectively1/3Co1/3Mn1/3(OH)20.92g and one hydronium(ion) lithium oxide 0.42g; by the two mixing and ball milling 4.5h, wherein the rotating speed of ball milling is 350r/min, and then sample is put into Ci Zhou; it is then placed in tube furnace (model is OTF-1200X); passing into argon as protection gas, the flow velocity controlling argon is 15sccm, at the uniform velocity heats up (heating rate is 8 DEG C/min); when temperature to 850 DEG C; insulation 12h, is then at the uniform velocity cooled to room temperature, the powder mull obtained is required ternary material.
(2) ternary material and the 0.06g Lanthanum (III) nitrate that then weigh 1g synthesis are put in mortar, grind 10min, the mixed-powder obtained is transferred in magnetic boat, put in tube furnace and be heated to 650 DEG C with the heating rate of 8 DEG C/min, insulation 8h, namely obtains the ternary material of the Surface coating lanthana of the present embodiment.
The discharge curve first obtained is tested in the ternary material assembled battery that Fig. 1 is the Surface coating lanthana of the embodiment of the present invention 1 preparation, as can be seen from Figure 1, material carries out charge-discharge test at 2.8～4.3V, correspond to the embedding of lithium ion and deviates from, and describes the electrochemical reversibility of material. It can further be seen from figure 1 that the first discharge specific capacity of the ternary material of the cladding lanthana of synthesis is 206.8mAh g-1, illustrate that the positive electrode of the present embodiment has higher first discharge specific capacity. Fig. 2 is the cycle performance curve chart that the ternary material assembled battery of Surface coating lanthana of the embodiment of the present invention 1 preparation obtains, and as can be seen from Figure 2 the specific capacity first of the ternary material of the Surface coating lanthana of the present embodiment synthesis is 206.3mAh g-1, after 100 enclose charge and discharge cycles, specific capacity still can reach 193.8mAh g-1, after 100 circles, capacity attenuation is only 6.06%, illustrates that the cycle performance of the ternary material of the Surface coating lanthana that the present embodiment synthesizes is more stable.
Embodiment 2:
The positive electrode at ternary material Surface coating lanthana of a kind of present invention, ternary material is nickle cobalt lithium manganate, and the quality of lanthana accounts for about the 8% of ternary material quality.
The preparation method of the ternary material of the Surface coating lanthana of the present embodiment, comprises the following steps:
(1) ternary material presoma Ni is weighed respectively1/3Co1/3Mn1/3(OH)20.46g and one hydronium(ion) lithium oxide 0.21g; by the two mixing and ball milling 3h, wherein the rotating speed of ball milling is 450r/min, and sample is put into Ci Zhou; it is then placed in tube furnace (model is OTF-1200X); passing into argon as protection gas, the flow velocity controlling argon is 12sccm, at the uniform velocity heats up (heating rate is 9 DEG C/min); when temperature to 900 DEG C; insulation 10h, is then at the uniform velocity cooled to room temperature, the powder mull obtained is required ternary material.
(2) ternary material and the 0.08g Lanthanum (III) nitrate that weigh 1g synthesis are put in mortar, grind 15min, the mixed-powder obtained is transferred in magnetic boat, puts into and tube furnace is heated to 700 DEG C, insulation 6h, namely obtains the ternary material of the Surface coating lanthana of the present embodiment.
The ternary material of the Surface coating lanthana of the present embodiment preparation synthesis not only has height ratio capacity (205.7mAh/g) and good cycle performance (encloses charge and discharge cycles through 100, capacity still may remain in more than 92.98%), and high-temperature behavior is also very excellent (at the temperature of 55 DEG C, specific capacity still may remain in more than 82.09%).
Embodiment 3:
The positive electrode at ternary material Surface coating lanthana of a kind of present invention, ternary material is nickle cobalt lithium manganate, and the quality of lanthana accounts for about the 10% of ternary material quality.
The preparation method of the ternary material of the Surface coating lanthana of the present embodiment, comprises the following steps:
(1) ternary material presoma Ni is weighed respectively1/3Co1/3Mn1/3(OH)21.38g and one hydronium(ion) lithium oxide 0.63g; by the two mixing and ball milling 1.5h, wherein the rotating speed of ball milling is 550r/min, and sample is put into Ci Zhou; it is then placed in tube furnace (model is OTF-1200X); passing into argon as protection gas, the flow velocity controlling argon is 15sccm, at the uniform velocity heats up (heating rate is 10 DEG C/min); when temperature to 800 DEG C; insulation 9h, is then at the uniform velocity cooled to room temperature, the powder mull obtained is required ternary material.
(2) ternary material and the 0.1g Lanthanum (III) nitrate that then weigh 1g synthesis are put in mortar, grind 20min, the mixed-powder obtained is transferred in magnetic boat, puts into and tube furnace is heated to 750 DEG C, insulation 4h, namely obtains the ternary material of the Surface coating lanthana of the present embodiment.
The ternary material of the Surface coating lanthana of the present embodiment preparation synthesis not only has height ratio capacity (206.8mAh/g) and good cycle performance (encloses charge and discharge cycles through 100, capacity still may remain in more than 93.94%), and high-temperature behavior is also very excellent (at the temperature of 55 DEG C, specific capacity still may remain in more than 83.11%).
Claims (10)
1. the positive electrode at ternary material Surface coating lanthana, it is characterised in that described ternary material is nickle cobalt lithium manganate, the molecular formula of described nickel-cobalt lithium manganate material is LiNi1/3Co1/3Mn1/3O2; The quality of described lanthana is the 4%～10% of ternary material quality.
2. the preparation method at the positive electrode of ternary material Surface coating lanthana, it is characterised in that comprise the following steps:
(1) first by mix homogeneously after ternary material precursor and lithium source ball milling, calcining obtains ternary material under a shielding gas;
(2) mix homogeneously after ternary material being ground with lanthanum source, calcine under a shielding gas, namely obtain the positive electrode at ternary material Surface coating lanthana; Described ternary material is nickle cobalt lithium manganate.
3. preparation method as claimed in claim 2, it is characterized in that, described lithium source is any one in monohydrate lithium hydroxide, lithium acetate or lithium nitrate, the presoma of described ternary material is hydroxyl cobalt nickel manganese, and it is Li:Co:Ni:Mn=3:1:1:1 that the addition of described lithium source and ternary material measures molar ratio computing on an atomic basis.
4. preparation method as claimed in claim 2, it is characterised in that in described step (1), the temperature of calcining is 500～1000 DEG C, and calcination time is 8～20h.
5. preparation method as claimed in claim 2, it is characterised in that in described step (2), calcining heat is 550～750 DEG C, and calcination time is 4～10h.
6. preparation method as claimed in claim 2, it is characterised in that in described step (1), the rotating speed of ball milling is 350～550r/min, and Ball-milling Time is 1～5h.
7. preparation method as claimed in claim 2, it is characterised in that in described step (2), the time of grinding is 10～30min.
8. preparation method as claimed in claim 2, it is characterised in that in described step (2), described lanthanum source is one or more mixing in lanthanum chloride, lanthanum acetate or Lanthanum (III) nitrate; Addition is ternary material quality the 6～10% of described lanthanum source.
9. preparation method as claimed in claim 2, it is characterised in that in described step (1) and (2), the heating rate before calcining is 5～10 DEG C/min.
10. preparation method as claimed in claim 2, it is characterised in that in described step (1) and (2), described protective gas is argon or nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610058602.1A CN105680015A (en) | 2016-01-28 | 2016-01-28 | Cathode material formed by coating lanthanum oxide on surface of ternary material and preparation method of cathode material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610058602.1A CN105680015A (en) | 2016-01-28 | 2016-01-28 | Cathode material formed by coating lanthanum oxide on surface of ternary material and preparation method of cathode material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105680015A true CN105680015A (en) | 2016-06-15 |
Family
ID=56303063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610058602.1A Pending CN105680015A (en) | 2016-01-28 | 2016-01-28 | Cathode material formed by coating lanthanum oxide on surface of ternary material and preparation method of cathode material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105680015A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958054A (en) * | 2016-06-23 | 2016-09-21 | 中南大学 | Method for lanthanum phosphate coated lithium ion battery cathode material nickel cobalt lithium manganate |
| CN106745337A (en) * | 2017-02-24 | 2017-05-31 | 安顺学院 | A kind of LiNi1/3Co1/3Mn1/3O2Preparation method |
| CN107452948A (en) * | 2017-08-02 | 2017-12-08 | 中国科学院成都有机化学有限公司 | A kind of Prussian blue composite lithium ion cell tertiary cathode material and preparation method thereof |
| CN109256540A (en) * | 2018-08-17 | 2019-01-22 | 北京长城华冠汽车科技股份有限公司 | The method and anode modified material of lanthanum sesquioxide are coated on the surface of the material |
| CN109473672A (en) * | 2018-12-13 | 2019-03-15 | 海安常州大学高新技术研发中心 | A kind of lithium-rich manganese-based anode material and preparation method thereof |
| CN111320214A (en) * | 2020-02-27 | 2020-06-23 | 桂林电子科技大学 | Modified nickel cobalt lithium manganate ternary cathode material and preparation method and application thereof |
| CN111634959A (en) * | 2020-06-02 | 2020-09-08 | 惠州亿纬锂能股份有限公司 | Ternary material, preparation method thereof and application of ternary material in lithium ion battery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456944A (en) * | 2013-09-04 | 2013-12-18 | 中国海洋石油总公司 | Modifying method of ternary anode material |
| CN104143633A (en) * | 2014-07-31 | 2014-11-12 | 深圳市振华新材料股份有限公司 | Anode material made through element microemulsion coating method, manufacturing method and application |
| CN104733722A (en) * | 2015-02-11 | 2015-06-24 | 江苏科捷锂电池有限公司 | Manufacturing method for La-doped Ti-coated ternary cathode material |
| CN104733721A (en) * | 2015-02-06 | 2015-06-24 | 重庆特瑞电池材料股份有限公司 | Method for preparing lithium nickel cobalt manganese oxide ternary cathode material in liquid-phase sugar coating and spray drying manners |
-
2016
- 2016-01-28 CN CN201610058602.1A patent/CN105680015A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456944A (en) * | 2013-09-04 | 2013-12-18 | 中国海洋石油总公司 | Modifying method of ternary anode material |
| CN104143633A (en) * | 2014-07-31 | 2014-11-12 | 深圳市振华新材料股份有限公司 | Anode material made through element microemulsion coating method, manufacturing method and application |
| CN104733721A (en) * | 2015-02-06 | 2015-06-24 | 重庆特瑞电池材料股份有限公司 | Method for preparing lithium nickel cobalt manganese oxide ternary cathode material in liquid-phase sugar coating and spray drying manners |
| CN104733722A (en) * | 2015-02-11 | 2015-06-24 | 江苏科捷锂电池有限公司 | Manufacturing method for La-doped Ti-coated ternary cathode material |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958054A (en) * | 2016-06-23 | 2016-09-21 | 中南大学 | Method for lanthanum phosphate coated lithium ion battery cathode material nickel cobalt lithium manganate |
| CN106745337A (en) * | 2017-02-24 | 2017-05-31 | 安顺学院 | A kind of LiNi1/3Co1/3Mn1/3O2Preparation method |
| CN107452948A (en) * | 2017-08-02 | 2017-12-08 | 中国科学院成都有机化学有限公司 | A kind of Prussian blue composite lithium ion cell tertiary cathode material and preparation method thereof |
| CN107452948B (en) * | 2017-08-02 | 2020-03-10 | 成都市博伦沃德新能源科技有限公司 | Prussian blue composite lithium ion battery ternary cathode material and preparation method thereof |
| CN109256540A (en) * | 2018-08-17 | 2019-01-22 | 北京长城华冠汽车科技股份有限公司 | The method and anode modified material of lanthanum sesquioxide are coated on the surface of the material |
| CN109473672A (en) * | 2018-12-13 | 2019-03-15 | 海安常州大学高新技术研发中心 | A kind of lithium-rich manganese-based anode material and preparation method thereof |
| CN111320214A (en) * | 2020-02-27 | 2020-06-23 | 桂林电子科技大学 | Modified nickel cobalt lithium manganate ternary cathode material and preparation method and application thereof |
| CN111320214B (en) * | 2020-02-27 | 2022-07-08 | 桂林电子科技大学 | Modified nickel cobalt lithium manganate ternary cathode material and preparation method and application thereof |
| CN111634959A (en) * | 2020-06-02 | 2020-09-08 | 惠州亿纬锂能股份有限公司 | Ternary material, preparation method thereof and application of ternary material in lithium ion battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105680015A (en) | Cathode material formed by coating lanthanum oxide on surface of ternary material and preparation method of cathode material | |
| CN103943827B (en) | The high-temperature solid phase preparation method of the positive Lithium metasilicate of lithium ion battery negative material | |
| CN102694167B (en) | Modified lithium manganate positive pole material and preparation method thereof | |
| CN106450211B (en) | A kind of lithium-rich manganese-based anode material and preparation method thereof of surface covered composite yarn | |
| CN103094550B (en) | Preparation method of lithium-rich anode material | |
| CN107437619A (en) | A kind of anode for lithium battery material and preparation method thereof | |
| CN102623691B (en) | Method for preparing lithium nickel manganese oxide serving as cathode material of lithium battery | |
| CN102569794B (en) | Carbon-coating method for lithium iron phosphate anode material | |
| CN103066275A (en) | Preparation method of spherical high-voltage lithium nickel manganate anode material | |
| CN102255083B (en) | Layered manganese-based composite material for power-type lithium ion battery and preparation method thereof | |
| CN106711439B (en) | A kind of preparation method of the composite mixed lithium-rich manganese-based anode material of Mg, Ti | |
| CN104241642B (en) | Lithium molybdate negative material of lithium ion battery and preparation method thereof | |
| CN104300145A (en) | Preparation method for high-tapping-density modified nickel-cobalt lithium manganate positive material | |
| CN106099098A (en) | A kind of high-voltage anode material of lithium ion batteries Liδco1 xmgxo2@AlF3and preparation method thereof | |
| CN103606675B (en) | A kind of preparation method of lithium-nickel-cobalt-oxygen positive electrode of metal ion mixing | |
| CN102983326A (en) | Spherical lithium-nickel-cobalt composite oxide positive electrode material preparation method | |
| CN105185954A (en) | LiAlO2 coated LiNi1-xCoxO2 lithium-ion battery positive electrode material and preparation method thereof | |
| CN103159264A (en) | Method for preparing positive material NCA of lithium ion cell by virtue of pure solid phase method | |
| CN102723494A (en) | Doped and modified high-temperature lithium manganate cathode material and preparation method thereof | |
| CN105958063A (en) | Preparation method of nickel-cobalt-aluminum cathode material used for lithium-ion battery | |
| CN109461930B (en) | Gradient-structured multi-component material for lithium ion battery and preparation method thereof | |
| CN108735993B (en) | Preparation method of Co and Al Co-doped high-nickel manganese-based oxide cathode material | |
| CN103137966A (en) | Preparation method for modified lithium iron phosphate doped positive electrode material | |
| CN107445210B (en) | High-capacity iron-based lithium ion battery anode material α -LiFeO2Preparation method of (1) | |
| CN102820463A (en) | Lithium-rich manganese base-doped anode material and preparation method thereof and lithium ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160615 |
|
| RJ01 | Rejection of invention patent application after publication |