CN104681808A - Method for preparing strontium salt doped lithium nickel manganese oxide cathode material of lithium ion battery - Google Patents
Method for preparing strontium salt doped lithium nickel manganese oxide cathode material of lithium ion battery Download PDFInfo
- Publication number
- CN104681808A CN104681808A CN201510071733.9A CN201510071733A CN104681808A CN 104681808 A CN104681808 A CN 104681808A CN 201510071733 A CN201510071733 A CN 201510071733A CN 104681808 A CN104681808 A CN 104681808A
- Authority
- CN
- China
- Prior art keywords
- salt
- strontium
- lithium
- nickel
- manganese
- 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.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to a method for preparing a strontium salt doped lithium nickel manganese oxide cathode material of a lithium ion battery. The method comprises the following steps: raw material preparation, reaction synthesis and high temperature sintering. The product of the method provided by the invention is a novel ternary metal oxide cathode material, and the material forms a lithium ion battery with Li or C to ensure high specific capacity, high rate capability and good cycle performance; moreover, the material is good in electrical property uniformity, simple in process, and low in cost and does not need complex and expensive preparation equipment.
Description
[
technical field]
The present invention relates to battery material technical field, particularly a kind of method for preparing anode material of lithium-ion battery of strontium salt dopping nickel ion doped.
[
background technology]
Spinel-type nickel ion doped grows up on lithium manganate having spinel structure basis, the same with LiMn2O4 is the positive electrode with three-dimensional lithium ion tunnel, reversible capacity is 146.7mAh/g, with being more or less the same of LiMn2O4, but voltage platform is about 4.7-5.1V, will exceed more than 20% than the 4V voltage platform of LiMn2O4, and the cyclical stability under high temperature also there is the lifting of matter than original LiMn2O4.In lithium ion battery charge and discharge cycles process, in nickel ion doped material the soluble organic electrolyte in ionic of Mn3+ ion molten in, cause that the poor electric conductivity of material, utilance are low, the diffusion that hinders lithium ion slow, cause that the reversibility of battery is poor thus, the problem such as cycle performance difference in cyclic process under capability retention low and high temperature or under large multiplying power.One of common solution, other ions that doping is stronger with Li+, Ni2+, Mn4+, O2-plasma effect power in nickel ion doped material occupy relevant position, be combined with O and form the chemical bond more stable than Mn-O bond energy and carry out stable nickel ion doped lattice structure, effectively suppress because Mn3+ is dissolved in the problem that electrolyte makes nickel ion doped lattice subside, thus capability retention in the reversibility of battery and cyclic process can be improved; Its solution two; at the protective material that Surface coating one deck of nickel ion doped material directly contacts with electrolyte; can have and suppress the metal ion of high-valence state to the oxidation of electrolyte; make electrolyte more stable; the stripping of Mn3+ can also be stoped in certain degree; while playing protective material stability action, the stability in the cyclic process under the conductivity of material, high temperature can also be improved or under large multiplying power and capability retention.
In sum, there is following weak point in prior art:
1, effectively can not solve the dissolving of manganese ion, thus cause cycle performance of battery poor;
2, other element ion of doping, as Cr, Co, Fe etc., because ionic valence condition changes greatly in the redox electrochemical reaction process of battery, and the ionic radius of different valence state differs greatly, easily cause the distortion of lattice in cyclic process, thus battery performance entirety is deteriorated;
3, carry out Surface coating to the nickel ion doped of spinel structure, the thickness evenness of the area size that coating layer is coated and coating layer differs.
[
summary of the invention]
The object of the present invention is to provide a kind of method for preparing anode material of lithium-ion battery of strontium salt dopping nickel ion doped, solve complex process in prior art, operation is difficult, and energy consumption is high, and cost is high, the problem that products obtained therefrom electrology characteristic is poor.
The present invention is achieved in that a kind of method for preparing anode material of lithium-ion battery of strontium salt dopping nickel ion doped, and described method comprises the steps:
The preparation of A, raw material: by lithium salt material, manganese salt material, nickel salt material and strontium salt material, by lithium salts: manganese salt: nickel salt: the mass percent precise of strontium salt=10-30%:20-60%:20-40%:2-10%, is dissolved in respectively in 300-500ml deionized water or acid and obtains corresponding lithium salt solution, manganese salt solution, nickel salt solution and strontium salt solution;
B, Reactive Synthesis: by lithium salts, manganese salt, nickel salt, strontium salt solution, by manganese salt, nickel salt, lithium salts, the order of strontium salt puts into container, high-speed stirred 3-6 hour until there is fluffy solid in solution, use vibration of ultrasonic wave again until fluffy solid viscosity is the same, fluffy solid is made to form homogeneous state, cotton-shaped mixed solution is moved in reactor, be 180-300 DEG C in temperature, pressure is isothermal reaction 12-18 hour under the environment of 0.5-2MPa, then room temperature is naturally cooled to, product in reactor is first used absolute ethanol washing with after deionized water, repeated washing 3-5 time, obtain product A,
C, high temperature sintering: by product A 80-150 DEG C of freeze-day with constant temperature 6-12 hour in vacuum drying chamber, obtain desciccate B, again product B is put into atmosphere furnace, at 750 DEG C of constant temperature, oxidizing roasting 4-8 hour under the environment of oxygen flow 0.1-0.5L/min, finally obtains the nickel ion doped of the spinel structure doped with strontium.
Further technical scheme of the present invention is: lithium salt material described in steps A is lithium metal, lithia, lithium carbonate, lithium acetate, lithium hydroxide, lithium chloride, lithium sulfate, one or more in lithium nitrate, described manganese salt material is manganese metal, manganese oxide, manganese carbonate, manganese acetate, manganous hydroxide, manganese chloride, manganese sulfate, one or more in manganese nitrate, described nickel salt material is metallic nickel, nickel oxide, nickelous carbonate, nickel acetate, nickel hydroxide, nickel chloride, nickelous sulfate, one or more in nickel nitrate, described strontium salt material is Preparation of Metallic Strontium, strontium oxide strontia, strontium acetate, strontium chloride, strontium sulfate, one or more in strontium nitrate.
The invention has the beneficial effects as follows: product of the present invention is the new positive electrode of ternary metal oxide, and this material and Li or C form lithium ion battery, has higher specific capacity, high-rate characteristics and good cycle performance; And the electrology characteristic consistency of this material is better, technique is simple, and cost is lower, without the need to the Preparation equipment of complex and expensive.
[
accompanying drawing explanation]
Fig. 1 is the XRD figure of the better enforcement of anode material for lithium-ion batteries one of a kind of strontium salt dopping nickel ion doped of the present invention;
Fig. 2 is the SEM figure of the better enforcement of anode material for lithium-ion batteries one of a kind of strontium salt dopping nickel ion doped of the present invention;
Fig. 3 is the charge-discharge test figure of the better enforcement of anode material for lithium-ion batteries one of a kind of strontium salt dopping nickel ion doped of the present invention.
[
embodiment]
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
A method for preparing anode material of lithium-ion battery for strontium salt dopping nickel ion doped, described method comprises the steps:
The preparation of A, raw material: by lithium salt material, manganese salt material, nickel salt material and strontium salt material, by lithium salts: manganese salt: nickel salt: the mass percent precise of strontium salt=10-30%:20-60%:20-40%:2-10%, is dissolved in respectively in 300-500ml deionized water or acid and obtains corresponding lithium salt solution, manganese salt solution, nickel salt solution and strontium salt solution;
B, Reactive Synthesis: by lithium salts, manganese salt, nickel salt, strontium salt solution, by manganese salt, nickel salt, lithium salts, the order of strontium salt puts into container, high-speed stirred 3-6 hour until there is fluffy solid in solution, use vibration of ultrasonic wave again until fluffy solid viscosity is the same, fluffy solid is made to form homogeneous state, cotton-shaped mixed solution is moved in reactor, be 180-300 DEG C in temperature, pressure is isothermal reaction 12-18 hour under the environment of 0.5-2MPa, then room temperature is naturally cooled to, product in reactor is first used absolute ethanol washing with after deionized water, repeated washing 3-5 time, obtain product A,
C, high temperature sintering: by product A 80-150 DEG C of freeze-day with constant temperature 6-12 hour in vacuum drying chamber, obtain desciccate B, again product B is put into atmosphere furnace, at 750 DEG C of constant temperature, oxidizing roasting 4-8 hour under the environment of oxygen flow 0.1-0.5L/min, finally obtains the nickel ion doped of the spinel structure doped with strontium.
Lithium salt material described in steps A is lithium metal, lithia, lithium carbonate, lithium acetate, lithium hydroxide, lithium chloride, lithium sulfate, one or more in lithium nitrate, described manganese salt material is manganese metal, manganese oxide, manganese carbonate, manganese acetate, manganous hydroxide, manganese chloride, manganese sulfate, one or more in manganese nitrate, described nickel salt material is metallic nickel, nickel oxide, nickelous carbonate, nickel acetate, nickel hydroxide, nickel chloride, nickelous sulfate, one or more in nickel nitrate, described strontium salt material is Preparation of Metallic Strontium, strontium oxide strontia, strontium acetate, strontium chloride, strontium sulfate, one or more in strontium nitrate.
In the preferred embodiment of the present invention: lithia, manganese acetate, nickel oxide, strontium oxide strontia are pressed lithia: manganese acetate: nickel oxide: the mass percent precise of strontium oxide strontia=20%:50%:20%:10%, is dissolved in respectively in 300ml deionized water or acid and obtains corresponding lithium salt solution, manganese salt solution, nickel salt solution and strontium salt solution; By lithium salts, manganese salt, nickel salt, strontium salt solution, put into container by the order of manganese salt, nickel salt, lithium salts, strontium salt, high-speed stirred 4 hours until there is fluffy solid in solution, with ultrasonic echography until form homogeneous state; Cotton-shaped mixed solution is moved in reactor, temperature be 200 DEG C, pressure be the environment of 0.9MPa under isothermal reaction 14 hours; When by the time naturally cooling to room temperature, the product in reactor is used respectively deionized water, absolute ethyl alcohol centrifuge washing 5 times, obtain synthetic product A; By product A in vacuum drying chamber under 100 DEG C of constant temperature dry 8 hours, obtain desciccate B, then B is put into atmosphere furnace, under oxygen flow 0.2L/min, 750 DEG C of constant temperature, oxidizing roasting 5 hours, finally obtained the nickel ion doped of the spinel structure doped with strontium.
In another preferred embodiment of the present invention: lithium acetate, manganese oxide, metallic nickel, strontium acetate are pressed lithium acetate: manganese oxide: metallic nickel: the mass percent precise of strontium acetate=30%:40%:20%:10%, obtain corresponding lithium salt solution, manganese salt solution, nickel salt solution and strontium salt solution in molten 400ml deionized water or acid respectively; By lithium salts, manganese salt, nickel salt, strontium salt solution, put into container by the order of manganese salt, nickel salt, lithium salts, strontium salt, high-speed stirred 5 hours until there is fluffy solid in solution, with ultrasonic echography until form homogeneous state; Cotton-shaped mixed solution is moved in reactor, temperature be 250 DEG C, pressure be the environment of 1.5MPa under isothermal reaction 15 hours; When by the time naturally cooling to room temperature, the product in reactor is used respectively deionized water, absolute ethyl alcohol centrifuge washing 5 times, obtain synthetic product A; By product A in vacuum drying chamber under 120 DEG C of constant temperature dry 10 hours, obtain desciccate B, then B is put into atmosphere furnace, under oxygen flow 0.3L/min, 750 DEG C of constant temperature, oxidizing roasting 6 hours, finally obtained the nickel ion doped of the spinel structure doped with strontium.
In another preferred embodiment of the present invention: lithium sulfate, manganese chloride, nickel chloride, strontium chloride are pressed lithium sulfate: manganese chloride: nickel chloride: the mass percent precise of strontium chloride=15%:40%:40%:5%, obtain corresponding lithium salt solution, manganese salt solution, nickel salt solution and strontium salt solution in molten 300ml deionized water or acid respectively; By lithium salts, manganese salt, nickel salt, strontium salt solution, put into container by the order of manganese salt, nickel salt, lithium salts, strontium salt, high-speed stirred 6 hours until there is fluffy solid in solution, with ultrasonic echography until form homogeneous state; Cotton-shaped mixed solution is moved in reactor, temperature be 300 DEG C, pressure be the environment of 1.8MPa under isothermal reaction 17 hours; When by the time naturally cooling to room temperature, the product in reactor is used respectively deionized water, absolute ethyl alcohol centrifuge washing 5 times, obtain synthetic product A; By product A in vacuum drying chamber under 140 DEG C of constant temperature dry 11 hours, obtain desciccate B, then B is put into atmosphere furnace, under oxygen flow 0.5L/min, 750 DEG C of constant temperature, oxidizing roasting 8 hours, finally obtained the nickel ion doped of the spinel structure doped with strontium.
Strontium is the more stable conductor material of a kind of valence state and ionic radius.Strontium due to its very strong absorption of x-rays radiation function and unique physical and chemical performance, and is widely used in the every field such as electronics, chemical industry, metallurgy, military project, light industry, medicine and optics.Barium, strontium, calcium and magnesium are both alkaline-earth metal, are also the elements that in the earth's crust, content is more.Strontium is a kind of positive metal vivaciously, is easy to be oxidized to stable, colourless Sr
2+, its ionic valence condition is unchanged in the redox electrochemical reaction process of battery, thus can not cause the distortion of lattice in cyclic process, cycle performance is improved.
In addition, from Fig. 1, Fig. 2 and Fig. 3, its XRD figure peak type is sharp-pointed, back end is smooth, show that synthesized material is the spinel structure that crystalline form is intact, its SEM figure shows its body phase material and skin-material compact siro spinning technology, middle gapless, its body phase material and skin-material define melting structure, constant to ensure the compacted density of material, charging and discharging curve figure shows with the anode material of lithium battery nickel ion doped doped with strontium obtained by the present invention, its excellent electrical property.
Product of the present invention is the new positive electrode of ternary metal oxide, and this material and Li or C form lithium ion battery, has higher specific capacity, high-rate characteristics and good cycle performance; And the electrology characteristic consistency of this material is better, technique is simple, and cost is lower, without the need to the Preparation equipment of complex and expensive.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (2)
1. a method for preparing anode material of lithium-ion battery for strontium salt dopping nickel ion doped, is characterized in that: described method comprises the steps:
The preparation of A, raw material: by lithium salt material, manganese salt material, nickel salt material and strontium salt material, by lithium salts: manganese salt: nickel salt: the mass percent precise of strontium salt=10-30%:20-60%:20-40%:2-10%, is dissolved in respectively in 300-500ml deionized water or acid and obtains corresponding lithium salt solution, manganese salt solution, nickel salt solution and strontium salt solution;
B, Reactive Synthesis: by lithium salts, manganese salt, nickel salt, strontium salt solution, by manganese salt, nickel salt, lithium salts, the order of strontium salt puts into container, high-speed stirred 3-6 hour until there is fluffy solid in solution, use vibration of ultrasonic wave again until fluffy solid viscosity is the same, fluffy solid is made to form homogeneous state, cotton-shaped mixed solution is moved in reactor, be 180-300 DEG C in temperature, pressure is isothermal reaction 12-18 hour under the environment of 0.5-2MPa, then room temperature is naturally cooled to, product in reactor is first used absolute ethanol washing with after deionized water, repeated washing 3-5 time, obtain product A,
C, high temperature sintering: by product A 80-150 DEG C of freeze-day with constant temperature 6-12 hour in vacuum drying chamber, obtain desciccate B, again product B is put into atmosphere furnace, at 750 DEG C of constant temperature, oxidizing roasting 4-8 hour under the environment of oxygen flow 0.1-0.5L/min, finally obtains the nickel ion doped of the spinel structure doped with strontium.
2. the method for preparing anode material of lithium-ion battery of a kind of strontium salt dopping nickel ion doped according to claim 1, it is characterized in that: lithium salt material described in steps A is lithium metal, lithia, lithium carbonate, lithium acetate, lithium hydroxide, lithium chloride, lithium sulfate, one or more in lithium nitrate, described manganese salt material is manganese metal, manganese oxide, manganese carbonate, manganese acetate, manganous hydroxide, manganese chloride, manganese sulfate, one or more in manganese nitrate, described nickel salt material is metallic nickel, nickel oxide, nickelous carbonate, nickel acetate, nickel hydroxide, nickel chloride, nickelous sulfate, one or more in nickel nitrate, described strontium salt material is Preparation of Metallic Strontium, strontium oxide strontia, strontium acetate, strontium chloride, strontium sulfate, one or more in strontium nitrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071733.9A CN104681808B (en) | 2015-02-11 | 2015-02-11 | Method for preparing strontium salt doped lithium nickel manganese oxide cathode material of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071733.9A CN104681808B (en) | 2015-02-11 | 2015-02-11 | Method for preparing strontium salt doped lithium nickel manganese oxide cathode material of lithium ion battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104681808A true CN104681808A (en) | 2015-06-03 |
| CN104681808B CN104681808B (en) | 2017-05-10 |
Family
ID=53316588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510071733.9A Expired - Fee Related CN104681808B (en) | 2015-02-11 | 2015-02-11 | Method for preparing strontium salt doped lithium nickel manganese oxide cathode material of lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104681808B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099082A (en) * | 2016-08-31 | 2016-11-09 | 四川剑兴锂电池有限公司 | The surface cladding type nickel ion doped material of a kind of hydro-thermal method modification, lithium battery and preparation method thereof |
| CN111504928A (en) * | 2020-06-05 | 2020-08-07 | 深圳麦德凯诺医药科技有限公司 | Method for detecting dissolution rate of calcium acetate tablets |
| CN112751026A (en) * | 2021-01-19 | 2021-05-04 | 贵州大学 | Modification method for doping synthesis of binary lithium nickel manganese oxide positive electrode material |
| CN113506869A (en) * | 2021-05-07 | 2021-10-15 | 鹏盛国能(深圳)新能源集团有限公司 | Lithium battery and anode thereof |
| CN114551838A (en) * | 2022-02-25 | 2022-05-27 | 中南大学 | Modified single crystal type cobalt-free high-nickel ternary positive electrode material and preparation method thereof |
| WO2024062866A1 (en) * | 2022-09-22 | 2024-03-28 | パナソニックＩｐマネジメント株式会社 | Positive electrode active material for secondary batteries, and secondary battery |
| WO2024062848A1 (en) * | 2022-09-22 | 2024-03-28 | パナソニックＩｐマネジメント株式会社 | Secondary battery positive electrode active material and secondary battery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006112674A1 (en) * | 2005-04-22 | 2006-10-26 | Lg Chem, Ltd. | New system of lithium ion battery containing material with high irreversible capacity |
| EP2221903A2 (en) * | 2009-02-19 | 2010-08-25 | Samsung SDI Co., Ltd. | Positive electrode for rechargeable lithium battery and rechargeable lithium battery including same |
| CN102386394A (en) * | 2011-11-04 | 2012-03-21 | 上海空间电源研究所 | Preparation method for lithium manganese nickel oxide served as high voltage lithium ion anode material |
| CN102569776A (en) * | 2011-12-30 | 2012-07-11 | 合肥国轩高科动力能源有限公司 | Preparation method of spinel lithium nickel manganese oxide serving as spherical high-voltage cathode material |
| CN104300145A (en) * | 2014-10-10 | 2015-01-21 | 东莞市长安东阳光铝业研发有限公司 | Preparation method for high-tapping-density modified nickel-cobalt lithium manganate positive material |
-
2015
- 2015-02-11 CN CN201510071733.9A patent/CN104681808B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006112674A1 (en) * | 2005-04-22 | 2006-10-26 | Lg Chem, Ltd. | New system of lithium ion battery containing material with high irreversible capacity |
| EP2221903A2 (en) * | 2009-02-19 | 2010-08-25 | Samsung SDI Co., Ltd. | Positive electrode for rechargeable lithium battery and rechargeable lithium battery including same |
| CN102386394A (en) * | 2011-11-04 | 2012-03-21 | 上海空间电源研究所 | Preparation method for lithium manganese nickel oxide served as high voltage lithium ion anode material |
| CN102569776A (en) * | 2011-12-30 | 2012-07-11 | 合肥国轩高科动力能源有限公司 | Preparation method of spinel lithium nickel manganese oxide serving as spherical high-voltage cathode material |
| CN104300145A (en) * | 2014-10-10 | 2015-01-21 | 东莞市长安东阳光铝业研发有限公司 | Preparation method for high-tapping-density modified nickel-cobalt lithium manganate positive material |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099082A (en) * | 2016-08-31 | 2016-11-09 | 四川剑兴锂电池有限公司 | The surface cladding type nickel ion doped material of a kind of hydro-thermal method modification, lithium battery and preparation method thereof |
| CN111504928A (en) * | 2020-06-05 | 2020-08-07 | 深圳麦德凯诺医药科技有限公司 | Method for detecting dissolution rate of calcium acetate tablets |
| CN112751026A (en) * | 2021-01-19 | 2021-05-04 | 贵州大学 | Modification method for doping synthesis of binary lithium nickel manganese oxide positive electrode material |
| CN113506869A (en) * | 2021-05-07 | 2021-10-15 | 鹏盛国能(深圳)新能源集团有限公司 | Lithium battery and anode thereof |
| CN114551838A (en) * | 2022-02-25 | 2022-05-27 | 中南大学 | Modified single crystal type cobalt-free high-nickel ternary positive electrode material and preparation method thereof |
| WO2024062866A1 (en) * | 2022-09-22 | 2024-03-28 | パナソニックＩｐマネジメント株式会社 | Positive electrode active material for secondary batteries, and secondary battery |
| WO2024062848A1 (en) * | 2022-09-22 | 2024-03-28 | パナソニックＩｐマネジメント株式会社 | Secondary battery positive electrode active material and secondary battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104681808B (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109216688B (en) | Ternary lithium battery material, preparation method thereof and lithium ion battery | |
| CN104681808B (en) | Method for preparing strontium salt doped lithium nickel manganese oxide cathode material of lithium ion battery | |
| CN109742365A (en) | A kind of sodium-ion battery positive material, preparation method and a kind of sodium-ion battery | |
| CN109659542A (en) | A kind of high voltage lithium cobalt oxide anode of core-shell structure and preparation method thereof | |
| KR101104664B1 (en) | Method for producing lithium containing complex oxide for positive electrode of lithium secondary battery | |
| CN105118991A (en) | Lithium ion secondary battery positive electrode material and preparation method thereof | |
| CN103794776B (en) | A kind of high voltage, high-pressure solid lithium ion battery composite cathode material and preparation method | |
| CN109461928A (en) | A kind of high-energy density polynary positive pole material and preparation method thereof | |
| CN105336941A (en) | High-voltage LiNixCoyMnzM(1-x-y-z)O2 cathode material, preparation method thereof, cathode and battery | |
| CN103117380A (en) | Preparation method of manganese Li-NiCoMn ternary material for lithium ion battery | |
| CN102738451A (en) | Modified positive electrode material of lithium ion battery and preparation method of modified positive electrode material | |
| CN104009252A (en) | Sodium-ion battery and preparation method thereof | |
| KR20160091172A (en) | Manufacturing method of positive active material containing reduced residual lithium and positive active material manufactured by the same | |
| CN107492643A (en) | A kind of titanium phosphate lithium coats LiNi1/3Co1/3Mn1/3O2Positive electrode and preparation method thereof | |
| CN101752562B (en) | Compound doped modified lithium ion battery anode material and preparation method thereof | |
| CN103137961A (en) | Anode material, preparation method of anode material and lithium ion battery comprising anode material | |
| CN105932251B (en) | A kind of preparation method and applications of metal oxide coated lithium ion battery positive electrode | |
| CN104466099A (en) | High-voltage lithium cobaltate based composite cathode material of lithium ion battery and preparation method of high-voltage lithium cobaltate based composite cathode material | |
| CN108807928B (en) | Synthesis of metal oxide and lithium ion battery | |
| CN107093739B (en) | Potassium manganese oxide for potassium ion battery anode material and preparation method thereof | |
| CN104134790A (en) | LiNixCoyMn2O2 modified material and preparation method and application thereof | |
| KR20150080199A (en) | Manufacturing method of positive active material for lithium rechargeable batteries and positive active material made by the same | |
| CN108807920B (en) | LASO-coated octahedral-structure lithium nickel manganese oxide composite material and preparation method thereof | |
| CN102324494A (en) | Lithium iron phosphate / nano-powder tube oxide composite cathode material and preparation method thereof | |
| JP2021048137A (en) | Cathode active material for lithium secondary 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20180211 |