CN109524662A - A kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity - Google Patents
A kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity Download PDFInfo
- Publication number
- CN109524662A CN109524662A CN201811327810.2A CN201811327810A CN109524662A CN 109524662 A CN109524662 A CN 109524662A CN 201811327810 A CN201811327810 A CN 201811327810A CN 109524662 A CN109524662 A CN 109524662A
- Authority
- CN
- China
- Prior art keywords
- preparation
- cathode material
- crystallinity
- lithium manganate
- nickel
- 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
- H01M4/48—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
- 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
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a kind of preparation methods of the good nickel-cobalt lithium manganate cathode material of crystallinity, comprising the following steps: a, weighs nickel salt, cobalt salt, manganese salt in proportion and is dissolved in deionized water, configures precipitating reagent and ammonia spirit；B, ammonia spirit is added into reaction kettle, suspending agent is then added, control reactor agitator is in halted state, while mixing salt solution and precipitating reagent and ammonia spirit is added dropwise；C, turn on agitator after a certain period of time is added dropwise, and suspends and mixing salt solution and precipitating reagent and ammonia spirit is added dropwise；D, it repeats step b and c more times, the presoma of preparation is filtered, washing, it is dry, sieved with 100 mesh sieve after the presoma after drying is crushed, with lithium source with high speed mixer after evenly mixing, two-step sintering is carried out, with obtaining nickel-cobalt lithium manganate cathode material after 200 mesh sizes.The tap density for the positive electrode that the present invention obtains, compacted density is high, and good rate capability has excellent high temperature stability performance and cycle performance.
Description
Technical field
The present invention relates to technical field of lithium ion, more particularly, to a kind of good nickle cobalt lithium manganate anode of crystallinity
The preparation method of material.
Background technique
Commercialized cobalt acid lithium battery price is very high, and safety is poor, and energy density is relatively low, it is impossible to meet
Power battery high magnification, high-energy density, the requirement of high security further limit cobalt acid lithium electricity with the rise of cobalt valence
Application of the pond in power battery field.Lithium manganate battery price is very low, and high rate performance is fine, prepare it is fairly simple, but in height
The lower manganese of temperature is soluble, so that high-temperature behavior and cycle life are poor.Lithium nickelate battery actual capacity reached 190mAh/g~
210mAh/g, self-discharge rate is low, pollution-free, has good compatibility with a variety of electrolyte, but the preparation condition of lithium nickelate is non-
Often harsh, thermal stability is poor, under equal conditions compared with lithium cobaltate cathode material, the thermal decomposition temperature of lithium nickelate minimum (200
DEG C or so), and thermal discharge is most, this brings very big security risk to battery, and knot is easy to happen in charge and discharge process
Structure variation, makes the cycle performance of battery be deteriorated.Ternary lithium battery can integrate their advantage, energy density with higher and
Recycle conservation rate, good rate capability, and price is lower meets power battery to forthright again, and cycle life, energy density is wanted
It asks, already taking up can market major part share.
Tertiary cathode material currently on the market, from electron microscope it is mostly be primary particle aggregate, the ball in roll-in
Shape particle is easily broken, and electrolyte enters, and will increase the dissolution of metal ion, and monocrystalline ternary material avoids these problems.
Single crystal grain is not broken up relative to agglomerated particle in roll-in, compacting can accomplish it is very high, before solving ternary compacting it is low
The problem of；Processing performance is good, can show fabulous processing performance in mashing, coating and roll-in；Perfect single crystal grain knot
Structure stability is good, can guarantee excellent cycle performance, and can improve security performance.
Ternary material, most of developer are generally prepared in such a way that coprecipitation is combined with high temperature solid-state method at present
It is all the research and development of single crystal product article to be carried out by changing sintering process, however presoma crystal property directly affects the knot of final products
Brilliant performance, therefore the present invention utilizes the basic principle of substance crystallization, by controlling the crystallization process of precursor preparation, specifically exists
It is not stirred in the crystallization process of presoma, crystal is grown up along some direction, and further improve sintering process, come
Prepare the good tertiary cathode material of crystallinity.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of good nickle cobalt lithium manganate of crystallinity is provided
The preparation method of positive electrode obtains the tap density of the good positive electrode of crystal property, and compacted density is high, high rate performance
It is good, there are excellent high temperature stability performance and cycle performance.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity, comprising the following steps:
A, nickel salt, cobalt salt, manganese salt are weighed in proportion and is dissolved in deionized water, and certain density precipitating reagent and ammonia are configured
Aqueous solution；
B, the ammonia spirit for accounting for reaction kettle volume 1/3 is first added into reaction kettle, a certain amount of suspending agent is then added, controls
Reactor agitator processed, which is in, stops stirring, while mixing salt solution and precipitating reagent and ammonia spirit is added dropwise；Before reaction first
Logical 1/3 ammonia spirit can be used as buffer and chelating agent, reduce reaction rate；
C, turn on agitator after a certain period of time is added dropwise, and suspends mixing salt solution and precipitating reagent is added dropwise and ammonium hydroxide is molten simultaneously
Liquid；
D, it repeats step b and c more times, the presoma of preparation is filtered, wash, it is dry, the presoma after drying is crushed
After sieve with 100 mesh sieve, with lithium source with high speed mixer after evenly mixing, two-step sintering is carried out, with being crystallized after 200 mesh sizes
The good nickel-cobalt lithium manganate cathode material of property.
The chemical formula of the nickle cobalt lithium manganate is Li1+zNi1-x-yCoxMnyO2+z/2, wherein x, y, z are molal quantity, x=
0.1, y=0.1, z=0.1.
Nickel salt is nickel sulfate in the step a, and the cobalt salt is cobaltous sulfate, and the manganese salt is manganese sulfate.
Precipitating reagent is sodium carbonate in the step a.
Concentration of metal ions is 1mol/L in the step a, and precipitant concentration is 1mol/L, and ammonia spirit concentration is
1mol/L。
Suspending agent is glycerol in the step b, and the additive amount of suspending agent is the 5% of reaction kettle volume.
The time of stopping stirring in the step b is 30min, and the mixing time in step c is 30min.
Lithium source is lithium hydroxide in the step d.
In the step d presoma washing adopt be washed with deionized to filtrate pH be 8；Presoma drying is dry in air blast
Carried out in dry case, 120 DEG C drying 6 hours.
The pre-sintering atmosphere of two-step sintering uses air in the step d, and 500 DEG C keep the temperature 4 hours, and double sintering atmosphere makes
With oxygen, air-flow 1.5L/min, 850 DEG C keep the temperature 12 hours.
The beneficial effects of the present invention are: prepared positive electrode, crystallite dimension is accordingly bigger, and crystallization effect is more preferable,
Cycle life, forthright again, stability, safety, machinability have better performance；
(1) so that reaction system is remained static when coprecipitation reaction, can be grown up with crystal along a direction, such
The presoma crystallite dimension arrived is bigger, and obtains positive electrode after lithium source mixed sintering, and crystallite dimension is accordingly bigger, crystallization effect
More preferably.
(2) monocrystalline ternary material is compared to non-single-crystal material in cycle life, forthright again, stability, safety, machinability
There is better performance.
(3) increase and be pre-sintered, the air in powder can be discharged, while making presoma pyrolytic dehydration, be higher
The double sintering of temperature melts lithium and good condition is created in crystallization.
(4) this hair utilizes the basic principle of substance crystallization, using existing equipment, changes prior art, avoid it is a large amount of at
This investment, feasibility is higher, and preparation process is simple.
Detailed description of the invention
Fig. 1 is the electron microscope of embodiment 1；
Fig. 2 is the charging and discharging curve of embodiment 1；
Fig. 3 is the capacity retention ratio curve of embodiment 1.
Specific embodiment
To facilitate the understanding of the present invention, the present invention is done below in conjunction with Figure of description and preferred embodiment more complete
Face, careful description, but protection scope of the present invention is not limited to following specific embodiments.
Unless otherwise defined, all technical terms used hereinafter are generally understood meaning phase with those skilled in the art
Together.Technical term used herein is intended merely to the purpose of description specific embodiment, and it is of the invention to be not intended to limitation
Protection scope.
Unless otherwise specified, various raw material, reagent, the instrument and equipment etc. used in the present invention can pass through city
Field is commercially available or can be prepared by existing method.
Embodiment 1:
A kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity, comprising the following steps:
A, nickel sulfate, cobaltous sulfate, manganese sulfate are weighed in the ratio of 8:1:1 and be dissolved in deionized water, metal ion is dense
Degree is 1mol/L, configures the sodium carbonate of 1mol/L and the ammonia spirit of 1mol/L；
B, the ammonia spirit for accounting for reaction kettle volume 1/3 is first added into reaction kettle, a certain amount of suspending agent is then added, helps
Suspension is glycerol, and the additive amount of suspending agent is the 5% of reaction kettle volume；It controls reactor agitator and is in and stop stirring
30min, while mixing salt solution and sodium carbonate and ammonia spirit is added dropwise；
C, turn on agitator after a certain period of time is added dropwise and stirs 30min, and suspends mixing salt solution and carbonic acid is added dropwise simultaneously
Sodium and ammonia spirit；
D, it repeats step b and c more times, the presoma of preparation is filtered, wash, dry, presoma washing uses deionization
Water washing to filtrate pH be 8；Presoma drying is carried out in air dry oven, 120 DEG C drying 6 hours.
Will presoma after drying crush after sieve with 100 mesh sieve, with lithium hydroxide with high speed mixer after evenly mixing, carry out
Two-step sintering, the pre-sintering atmosphere of two-step sintering use air, and 500 DEG C keep the temperature 4 hours, and double sintering atmosphere uses oxygen, gas
1.5L/min is flowed, 850 DEG C keep the temperature 12 hours.
With obtaining the good nickel-cobalt lithium manganate cathode material of crystallinity after 200 mesh sizes.
The chemical formula of the nickle cobalt lithium manganate is Li1.1Ni0.8Co0.1Mn0.1O2.05。
The scanning electron microscope of the above product is tested, and battery is made in the above product, tests first charge-discharge capacity, capacity
Conservation rate.
Test result shows that prepared nickel-cobalt lithium manganate cathode material crystal property is good, and crystallite dimension is bigger, and
Forthright again in cycle life, machinability has good performance.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity, which comprises the following steps:
A, nickel salt, cobalt salt, manganese salt are weighed in proportion and is dissolved in deionized water, configure certain density precipitating reagent and ammonium hydroxide is molten
Liquid；
B, the ammonia spirit for accounting for reaction kettle volume 1/3 is first added into reaction kettle, a certain amount of suspending agent is then added, control is anti-
It answers kettle blender to be in and stops stirring, while mixing salt solution and precipitating reagent and ammonia spirit is added dropwise；
C, turn on agitator after a certain period of time is added dropwise, and suspends mixing salt solution and precipitating reagent and ammonia spirit is added dropwise simultaneously；
D, it repeats step b and c more times, the presoma of preparation is filtered, wash, it is dry, the presoma after drying is smashed it through
100 meshes, with lithium source with high speed mixer after evenly mixing, carry out two-step sintering, it is good with crystallinity is obtained after 200 mesh sizes
Good nickel-cobalt lithium manganate cathode material.
2. a kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity as described in claim 1, it is characterised in that:
The chemical formula of the nickle cobalt lithium manganate is Li1+zNi1-x-yCoxMnyO2+z/2, wherein x, y, z are molal quantity, x=0.1, y=
0.1, z=0.1.
3. a kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity as described in claim 1, it is characterised in that:
Nickel salt is nickel sulfate in the step a, and the cobalt salt is cobaltous sulfate, and the manganese salt is manganese sulfate.
4. a kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity as described in claim 1, it is characterised in that:
Precipitating reagent is sodium carbonate in the step a.
5. a kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity as described in claim 1, it is characterised in that:
Concentration of metal ions is 1mol/L in the step a, and precipitant concentration is 1mol/L, and ammonia spirit concentration is 1mol/L.
6. a kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity as described in claim 1, it is characterised in that:
Suspending agent is glycerol in the step b, and the additive amount of suspending agent is the 5% of reaction kettle volume.
7. a kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity as described in claim 1, it is characterised in that:
The time of stopping stirring in the step b is 30min, and the mixing time in step c is 30min.
8. a kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity as described in claim 1, it is characterised in that:
Lithium source is lithium hydroxide in the step d.
9. a kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity as described in claim 1, it is characterised in that:
In the step d presoma washing adopt be washed with deionized to filtrate pH be 8；Presoma drying be in air dry oven into
Row, 120 DEG C drying 6 hours.
10. a kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity as described in claim 1, feature exist
In: the pre-sintering atmosphere of two-step sintering uses air in the step d, and 500 DEG C keep the temperature 4 hours, and double sintering atmosphere uses oxygen
Gas, air-flow 1.5L/min, 850 DEG C keep the temperature 12 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811327810.2A CN109524662A (en) | 2018-11-09 | 2018-11-09 | A kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811327810.2A CN109524662A (en) | 2018-11-09 | 2018-11-09 | A kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109524662A true CN109524662A (en) | 2019-03-26 |
Family
ID=65773553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811327810.2A Pending CN109524662A (en) | 2018-11-09 | 2018-11-09 | A kind of preparation method of the good nickel-cobalt lithium manganate cathode material of crystallinity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109524662A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009642A (en) * | 2019-11-13 | 2020-04-14 | 浙江工业大学 | Al2O3Face-coated LiNi0.6Co0.2Mn0.2O2Positive electrode material and preparation method thereof |
| CN111370682A (en) * | 2020-03-26 | 2020-07-03 | 四川青源新材料有限公司 | Lithium ion battery anode material precursor, anode material and preparation method |
| CN113716625A (en) * | 2021-09-02 | 2021-11-30 | 厦门厦钨新能源材料股份有限公司 | Large-grain aggregate ternary cathode material, preparation method thereof and lithium ion battery |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101478044A (en) * | 2009-01-07 | 2009-07-08 | 厦门钨业股份有限公司 | Multi-element composite positive pole material for lithium secondary battery and preparation thereof |
| CN102157734A (en) * | 2011-03-17 | 2011-08-17 | 南京双登科技发展研究院有限公司 | Positive pole material for novel lithium ion secondary battery and preparation method thereof |
| CN102237510A (en) * | 2010-04-29 | 2011-11-09 | 比亚迪股份有限公司 | Positive active material and preparation method thereof |
| CN102306765A (en) * | 2011-08-18 | 2012-01-04 | 合肥国轩高科动力能源有限公司 | Preparation method of nickel-manganese-cobalt lithium ion cathode material |
| CN103151512A (en) * | 2013-03-13 | 2013-06-12 | 山东海特电子新材料有限公司 | Wet-method preparation process of ternary positive material for lithium ion battery |
| CN103326015A (en) * | 2013-06-25 | 2013-09-25 | 蒋涛 | Preparation method of niobium-doped lithium manganese aluminum cobalt composite positive pole material |
| CN103500827A (en) * | 2013-10-11 | 2014-01-08 | 宁德新能源科技有限公司 | Lithium ion battery and multi-element positive material thereof as well as preparation method of multi-element positive material |
| CN103545504A (en) * | 2013-10-17 | 2014-01-29 | 江西赣锋锂业股份有限公司 | Preparation method of ternary anode material precursor |
| CN103794778A (en) * | 2014-02-18 | 2014-05-14 | 湖南桑顿新能源有限公司 | Preparation method of high density nickel cobalt lithium manganate positive electrode material |
| CN105261737A (en) * | 2015-10-20 | 2016-01-20 | 四川科能锂电有限公司 | Preparation method of ternary cathode material |
| JP2017186180A (en) * | 2016-04-01 | 2017-10-12 | 住友金属鉱山株式会社 | Manganese composite hydroxide and manufacturing method therefor, transition metal salt solution and preparing method therefor |
-
2018
- 2018-11-09 CN CN201811327810.2A patent/CN109524662A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101478044A (en) * | 2009-01-07 | 2009-07-08 | 厦门钨业股份有限公司 | Multi-element composite positive pole material for lithium secondary battery and preparation thereof |
| CN102237510A (en) * | 2010-04-29 | 2011-11-09 | 比亚迪股份有限公司 | Positive active material and preparation method thereof |
| CN102157734A (en) * | 2011-03-17 | 2011-08-17 | 南京双登科技发展研究院有限公司 | Positive pole material for novel lithium ion secondary battery and preparation method thereof |
| CN102306765A (en) * | 2011-08-18 | 2012-01-04 | 合肥国轩高科动力能源有限公司 | Preparation method of nickel-manganese-cobalt lithium ion cathode material |
| CN103151512A (en) * | 2013-03-13 | 2013-06-12 | 山东海特电子新材料有限公司 | Wet-method preparation process of ternary positive material for lithium ion battery |
| CN103326015A (en) * | 2013-06-25 | 2013-09-25 | 蒋涛 | Preparation method of niobium-doped lithium manganese aluminum cobalt composite positive pole material |
| CN103500827A (en) * | 2013-10-11 | 2014-01-08 | 宁德新能源科技有限公司 | Lithium ion battery and multi-element positive material thereof as well as preparation method of multi-element positive material |
| CN103545504A (en) * | 2013-10-17 | 2014-01-29 | 江西赣锋锂业股份有限公司 | Preparation method of ternary anode material precursor |
| CN103794778A (en) * | 2014-02-18 | 2014-05-14 | 湖南桑顿新能源有限公司 | Preparation method of high density nickel cobalt lithium manganate positive electrode material |
| CN105261737A (en) * | 2015-10-20 | 2016-01-20 | 四川科能锂电有限公司 | Preparation method of ternary cathode material |
| JP2017186180A (en) * | 2016-04-01 | 2017-10-12 | 住友金属鉱山株式会社 | Manganese composite hydroxide and manufacturing method therefor, transition metal salt solution and preparing method therefor |
Non-Patent Citations (2)
| Title |
|---|
| 傅超美等: "《药用辅料学》", 31 October 2008, 中国中医药出版社 * |
| 颜克美等: "《分析化学》", 31 August 1983 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009642A (en) * | 2019-11-13 | 2020-04-14 | 浙江工业大学 | Al2O3Face-coated LiNi0.6Co0.2Mn0.2O2Positive electrode material and preparation method thereof |
| CN111370682A (en) * | 2020-03-26 | 2020-07-03 | 四川青源新材料有限公司 | Lithium ion battery anode material precursor, anode material and preparation method |
| CN113716625A (en) * | 2021-09-02 | 2021-11-30 | 厦门厦钨新能源材料股份有限公司 | Large-grain aggregate ternary cathode material, preparation method thereof and lithium ion battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104201367B (en) | High density small particle nickel cobalt manganese hydroxide and preparation method thereof | |
| CN107565125B (en) | A kind of high voltage precursor of nickel-cobalt-lithium-manganese-oxide and preparation method thereof and high voltage nickel-cobalt lithium manganate cathode material | |
| CN103253717B (en) | Method for preparing small-size nickel-cobalt lithium manganate precursor | |
| CN101229928B (en) | Method for preparing spherical nickel-cobalt lithium manganate material | |
| CN104556248B (en) | The method of continuous production large granular spherical cobalt carbonate | |
| CN101834291B (en) | Preparation method of submicron level LiniO.5MnO.5O2 cathode material | |
| CN107915263A (en) | A kind of preparation method of small particle ternary anode material precursor | |
| CN107324405A (en) | A kind of lithium nickel cobalt manganese oxide precursor and preparation method thereof and the lithium ion battery prepared by the presoma | |
| CN107364901B (en) | A kind of high-voltage spinel nickel lithium manganate cathode material and preparation method thereof | |
| CN107834064A (en) | A kind of nickelic small particle nickel cobalt manganese hydroxide and preparation method thereof | |
| CN105118981A (en) | High-capacity nickel-cobalt-lithium manganate precursor and preparation method thereof | |
| CN108963228A (en) | A kind of method preparing ternary cathode material of lithium ion battery on metal-organic framework materials ZIF-8 and product | |
| CN103928671A (en) | Preparation method of large granular LiNixCoyMn1-x-yO2 | |
| CN102956878B (en) | Spherical lamellar cathode material for lithium nickel manganese cobalt oxide lithium ion battery | |
| CN107968193A (en) | A kind of preparation method and battery of high power capacity tertiary cathode material | |
| CN104362332B (en) | Preparation method of lithium-rich cathode material for lithium ion battery | |
| CN108946827A (en) | A kind of ultra-small grain size nickel cobalt manganese hydroxide and preparation method thereof | |
| CN108461747A (en) | A kind of preparation method of monocrystalline pattern nickel cobalt manganese anode material for lithium-ion batteries | |
| CN112794369B (en) | Preparation method and application of nano lithium cobalt oxide positive electrode material | |
| CN109411718A (en) | The preparation method of the tertiary cathode material of doping vario-property | |
| CN104269548B (en) | A kind of method optimizing size distribution in nickel cobalt manganese persursor material preparation process | |
| CN109626447A (en) | Nickelic anode material for lithium-ion batteries of a kind of concentration gradient magnesium doping and preparation method thereof | |
| CN104600285A (en) | Method for preparing spherical lithium nickel manganese oxide positive pole material | |
| CN109686966A (en) | A kind of energy storage super large partial size nickel cobalt manganese hydroxide and preparation method thereof | |
| WO2022188480A1 (en) | Precursor of composite positive electrode material for lithium battery and preparation method for composite positive electrode material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190326 |