CN101229928A - Method for preparing spherical nickel-cobalt lithium manganate material - Google Patents
Method for preparing spherical nickel-cobalt lithium manganate material Download PDFInfo
- Publication number
- CN101229928A CN101229928A CNA2007100343181A CN200710034318A CN101229928A CN 101229928 A CN101229928 A CN 101229928A CN A2007100343181 A CNA2007100343181 A CN A2007100343181A CN 200710034318 A CN200710034318 A CN 200710034318A CN 101229928 A CN101229928 A CN 101229928A
- Authority
- CN
- China
- Prior art keywords
- preparation
- solution
- spherical nickel
- lithium manganate
- cobalt
- 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
Images
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
Abstract
The invention discloses a preparation method of spherical nickel cobalt manganese acid lithium which takes the carbonate as a precipitant by adopting a coprecipitation method. Three solutions of metal iron of nickel cobalt manganese mixed metallic salt solution with certain concentration as well as carbonate solution and ammonium salt solution are respectively continuously added into the reactor. The flow rate is controlled until the pH value of the reaction solution is 7.9-8.5. In the solution, the concentration of the NH4<+> is 0.1mol/L-0.5mol/L and the reaction temperature is 45 DEG C-60 DEG C. The spherical precursor body material is prepared. A preheating treatment is carried out and the spherical precursor body material is then evenly mixed with the preheating treatment for the heating treatment to obtain the finishes product. The precursor body of the invention has a fast speed of being formed into a sphere and the particle size is evenly distributed with advantages of good sphericity, higher concentration and higher capacity.
Description
Technical field
The present invention relates to a kind of preparation method of anode material for lithium-ion batteries, particularly relate to a kind of preparation method of lithium ion battery anode material spherical nickle cobalt lithium manganate.
Background technology
In lithium ion battery, generally adopt cobalt acid lithium as its anodal energy storage material, but, the positive electrode material that substitutes cobalt acid lithium is had higher requirement nickle cobalt lithium manganate LiNi wherein along with aspects such as the expansion of lithium ion battery applications scope, resources costs rising are considered
xCo
yMn
1-x-yO
2Material is with characteristics such as its cheap cost, heavy body and high safety performances and become the material of tool advantage.Through exploration for many years, at present the nickle cobalt lithium manganate preparation method mainly contains simple high temperature solid-state method, sol-gel method, coprecipitation method, and several different methods such as spray-drying process.But simple high temperature solid-state method is unfavorable for that because of the ununiformity of batch mixing material forms the homogeneous phase eutectic, and methods such as sol-gel method, dry spray method, all the complicacy because of its process control can't realize scale operation.The most general and the tool application prospect of research at present be to prepare persursor material with coprecipitation method, again with presoma with prepare nickel-cobalt lithium manganate material through special high-temperature heat treatment mode after mix in the lithium source.This method can be controlled the particle diameter and the sphericity of presoma product by regulating deposition condition, thereby realizes the particle diameter of the finished product and the control of distribution thereof, and the control of this condition is easy to realize in large-scale production.
Preparing with coprecipitation method in the method for persursor material, most investigator concentrates on oxyhydroxide and makes the middle presoma (Ni of precipitation agent preparation mixing
xCo
yMn
1-x-y) (OH)
2Method, disclose with the preparation method of oxyhydroxide in its patent application " based on the preparation method of the high activity anode material of lithium ion battery of crystallization control method " (CN 1218304A) and patent application " preparation method of anode material for lithium-ion batteries high density spherical nickel-cobalt lithium manganate " (CN 1622371A) as people such as Jiang Changyin as precipitation agent.With oxyhydroxide is that precipitation agent prepares in the process of presoma, because the oxyhydroxide of cobalt, manganese is very unstable, oxidation extremely easily, need protection of inert gas, the formation of its nucleus and process of growth are difficult to control, be difficult for generating spherical presoma, the technology controlling and process complexity is unfavorable for large batch of suitability for industrialized production; And, exist presoma balling-up speed slower, particle growth speed waits defective more slowly, and as the CN1622371A disclosed method, its coprecipitation reaction needs just can obtain the spheric presoma more than 20 hours; Some product sphericity is bad, is " potato " shape, thereby causes defectives such as density is little, volume and capacity ratio is less, has limited the commercial applications of spherical nickel-cobalt lithium manganate.
Summary of the invention
The present invention aims to provide that a kind of presoma balling-up speed is fast, and size distribution is even, the preparation method of product good sphericity, density is higher, electrical capacity is higher spherical nickel-cobalt lithium manganate.
The present invention includes following steps:
(1) mixed aqueous solution of preparation nickel salt, cobalt salt, manganese salt, wherein the mol ratio of three metal ion species is 1: 1: 1;
(2) preparation carbonate aqueous solution, CO
3 2-With the ratio of the volumetric molar concentration of total metal ion of solution (1) be 1.0～1.5: 1;
(3) preparation ammonium salt aqueous solution, NH
4 +The ionic volumetric molar concentration is 0.2～1.5mol/L;
(4) with (1), the solution of (2), the preparation of (3) step joins in the reactor of belt stirrer continuously with volume pump respectively, the flow of three kinds of solution of control, making the pH value of reaction solution is 7.9～8.5, NH in the reaction solution
4 +Concentration be controlled between 0.1mol/L～0.5mol/L, control reaction temperature is 45 ℃～60 ℃, controlling stirring velocity simultaneously is 500～1000 rev/mins, the overflow port nature overflow of the presoma material of generation from reactor discharged;
(5) persursor material that (4) step was made carries out solid-liquid separation, cleans sulfate ion with pure water, descends dry 3～5 hours at 60 ℃～80 ℃ then, obtains the mixed carbonate of spherical nickel-cobalt manganese;
(6) (5) mixed carbonate that obtains of step is carried out thermal pretreatment, the technology of thermal pretreatment is, rises to 480 ℃～550 ℃ with 2 ℃～5 ℃/minute temperature rise rates from room temperature, is incubated 4～6 hours;
(7) lithium salts with metering mixes by mass ratio 1: 1.2～1.5 with pure water, and ball milling is 3～4 hours in ball mill), make the lithium salts slurry;
(8) with lithium salts slurry and persursor material after thermal pretreatment Li in molar ratio: (Ni+Co+Mn)=1～1.1: 1 mixed 25～35 minutes;
(9) product of gained in the step (8) is heat-treated, thermal treatment process is, elder generation rises to 480 ℃～550 ℃ with 1 ℃～2 ℃/minute temperature rise rate from room temperature, be incubated 2～4 hours, rise to 850 ℃～950 ℃ with 1 ℃～2 ℃/minute temperature rise rate then, be incubated 15～25 hours, naturally cooling in stove obtains the spherical nickel-cobalt lithium manganate.
And the preferred 1mol/L～2.2mol/L of metal ion total concn of metal-salt mixed aqueous solution wherein, the CO of carbonate aqueous solution
3 2-Preferred 8.0～8.3 with the pH value of the reaction solution described in preferred 1.1～1.2: 1, the (4) step of ratio of the volumetric molar concentration of total metal ion of solution (1), NH
4 +The preferred 0.3mol/L～0.4mol/L of concentration, preferred 50 ℃～55 ℃ of temperature of reaction; The described lithium salts of step (7) is selected from a kind of in Quilonum Retard, lithium hydroxide, lithium nitrate or the lithium acetate.
Compare with the existing preparation processing method, the present invention has the following advantages:
1. presoma balling-up speed is fast.Can in 1 hour, make the presoma balling-up, promptly can reach ideal size 8-12 μ m in 10 hours.
2. the particle diameter of product is normal distribution, good sphericity.The spherical nickel-cobalt lithium manganate material median size for preparing is 8-10 μ m, is evenly distributed, and observes under scanning electron microscope, and as shown in drawings, the material major part all presents good ball shape.
3. the density of product and electrical capacity are higher.Because the good sphericity of product is normal distribution, helps build-up of particles, thereby makes product have higher density, after testing, the tap density of product is generally 2.3～2.5g/cm
3, be negative pole with the lithium sheet, record that the 0.2C first discharge specific capacity is 170～190mAh/g under the above-mentioned materials room temperature.
Description of drawings
Fig. 1 is the sem photograph of the spherical nickel-cobalt lithium manganate material of embodiment 1 preparation.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail, but these embodiment must not be used to explain limiting the scope of the invention.
Embodiment 1
(1) adopt single nickel salt, rose vitriol, manganous sulfate preparation mixed salt solution, total concentration of metal ions is 1.8mol/L, and the ratio of the volumetric molar concentration of three metal ion species is 1: 1: 1 in the solution;
(2) compound concentration is the aqueous sodium carbonate of 2mol/L, CO
3 2-With the molar concentration rate of total metal ion of solution (1) be 1.1: 1;
(3) preparation NH
4 +Ionic concn is the ammonium bicarbonate aqueous solution of 0.6mol/L;
(4) above-mentioned three kinds of solution being joined the effective volume that band stirs continuously with volume pump respectively is in the reactor of 3L, the flow of three kinds of solution of control, and making the pH value of reaction solution is 8～8.3, NH in the reaction solution
4 +Concentration be 0.2mol/L～0.3mol/L; Control reaction temperature is 60 ℃; Stirring velocity is 1000 rev/mins, and continuously feeding stopped charging after 10 hours, and the overflow port nature overflow of the presoma material of generation from reactor discharged.
(5) remove supernatant liquid after the presoma material that obtains is left standstill, use the deionized water wash solid again, the sulfate ion in cleaning the presoma material; Behind the suction filtration,, obtain the mixed carbonate of spherical nickel-cobalt manganese in 80 ℃ of dryings 2.5 hours.
(6) above-mentioned mixed carbonate is carried out thermal pretreatment, the technology of thermal pretreatment is, rises to 480 ℃ with 2 ℃/minute temperature rise rates from room temperature, is incubated 6 hours;
(7) Quilonum Retard is added in the ball grinder, press lithium salts and pure water mass ratio and add deionized water at 1: 1.2, ball milling 3 hours makes the Quilonum Retard slurry.
(8) according to Li: be 1: 1 (mol ratio) (Ni+Co+Mn), take by weighing the above-mentioned Quilonum Retard slurry of respective amount and the presoma material after the thermal pretreatment respectively, add the low speed ball milling that carried out in the ball grinder 25 minutes and mix.
(9) product of gained in the step (8) is heat-treated, thermal treatment process is that elder generation rises to 480 ℃ with 1 ℃/minute temperature rise rate from room temperature, be incubated 4 hours, rise to 850 ℃ with 1 ℃/minute temperature rise rate then, be incubated 25 hours, naturally cooling in stove obtains the spherical nickel-cobalt lithium manganate.
After testing, the spherical nickel-cobalt lithium manganate material median size for preparing is 10 μ m, is evenly distributed, and observes under scanning electron microscope, and the material major part all presents good ball shape; The tap density of product is 2.5g/cm
3, be negative pole with the lithium sheet, record that the 0.2C first discharge specific capacity is 190mAh/g under the above-mentioned materials room temperature.
Fig. 1 is the sem photograph of the prepared spherical nickel-cobalt lithium manganate of present embodiment.
Embodiment 2
(1) adopt nickelous chloride, cobalt chloride, Manganous chloride tetrahydrate preparation mixed salt solution, total concentration of metal ions is 1mol/L, and the ratio of the volumetric molar concentration of three metal ion species is 1: 1: 1 in the solution;
(2) compound concentration is the wet chemical of 1.5mol/L, CO
3 2-With the molar concentration rate of total metal ion of solution (1) be 1.5: 1;
(3) preparation NH
4 +Ionic concn concentration is the ammonium carbonate solution of 0.2mol/L,
(4) above-mentioned three kinds of solution are joined in the reactor of band stirring continuously with volume pump respectively, the flow of three kinds of solution of control, making the pH value of reaction solution is 7.9～8.1, NH in the reaction solution
4 +Concentration be 0.1mol/L～0.2mol/L; Control reaction temperature is 50 ℃; Stirring velocity is 800 rev/mins, and continuously feeding stopped charging after 10 hours, and the overflow port nature overflow of the presoma material of generation from reactor discharged.
(5) remove supernatant liquid after the presoma material that obtains is left standstill, clean chlorion in the presoma material with pure water again; Behind the suction filtration,, obtain the mixed carbonate of spherical nickel-cobalt manganese in 70 ℃ of dryings 3 hours.
(6) above-mentioned mixed carbonate is carried out thermal pretreatment, the technology of thermal pretreatment is incubated 5 hours for to rise to 500 ℃ with the temperature rise rate from 3 ℃/minute from room temperature;
(7) lithium nitrate is added in the ball grinder, press lithium salts and pure water mass ratio and add deionized water at 1: 1.5, ball milling 4 hours makes the lithium nitrate slurry.
(8) according to Li: be 1.05: 1 (mol ratio) (Ni+Co+Mn), take by weighing the above-mentioned lithium nitrate slurry of respective amount and the presoma material after the thermal pretreatment respectively, add the low speed ball milling that carried out in the ball grinder 30 minutes and mix.
(9) product of gained in the step (8) is heat-treated, thermal treatment process is incubated 3 hours for first temperature rise rate with 2 ℃/minute rises to 500 ℃ ℃ from room temperature, rise to 950 ℃ with 2 ℃/minute temperature rise rate then, be incubated 15 hours, naturally cooling in stove obtains the spherical nickel-cobalt lithium manganate.
After testing, the spherical nickel-cobalt lithium manganate material median size for preparing is 8 μ m, is evenly distributed, and observes under scanning electron microscope, and the material major part all presents good ball shape; The tap density of product is 2.4g/cm
3, be negative pole with the lithium sheet, record that the 0.2C first discharge specific capacity is 170mAh/g under the above-mentioned materials room temperature.
Embodiment 3
(1) adopt nickelous nitrate, Xiao Suangu, manganous nitrate preparation mixed salt solution, total concentration of metal ions is 2.2mol/L, and the ratio of the volumetric molar concentration of three metal ion species is 1: 1: 1 in the solution;
(2) compound concentration is the wet chemical of 2.6mol/L, CO
3 2-Be about 1.2: 1 with the molar concentration rate of total metal ion of solution (1);
(3) preparation NH
4 +Ionic concn concentration is the ammonium bicarbonate aqueous solution of 1.5mol/L,
(4) above-mentioned three kinds of solution are joined in the reactor of band stirring continuously with volume pump respectively, the flow of three kinds of solution of control, the pH value that makes reaction solution is NH in 8.3～8.5 reaction solutions
4 +Concentration be 0.4mol/L～0.5mol/L; Control reaction temperature is 55 ℃; Stirring velocity is 600 rev/mins, and continuously feeding stopped charging after 10 hours, and the overflow port nature overflow of the presoma material of generation from reactor discharged.
(5) remove supernatant liquid after the presoma material that obtains is left standstill, clean nitrate ion in the presoma material with pure water again; Behind the suction filtration,, obtain the mixed carbonate of spherical nickel-cobalt manganese in 80 ℃ of dryings 3 hours.
(6) above-mentioned mixed carbonate is carried out thermal pretreatment, the technology of thermal pretreatment is incubated 4 hours for to rise to 550 ℃ with the temperature rise rate from 5 ℃/minute from room temperature;
(7) lithium acetate is added in the ball grinder, press lithium salts and pure water mass ratio and add deionized water at 1: 1.3, ball milling 4 hours makes the lithium acetate slurry.
(8) according to Li: be 1.1: 1 (mol ratio) (Ni+Co+Mn), take by weighing the above-mentioned lithium acetate slurry of respective amount and the presoma material after the thermal pretreatment respectively, add the low speed ball milling that carried out in the ball grinder 35 minutes and mix.
(9) product of gained in the step (8) is heat-treated, thermal treatment process is incubated 2 hours for first temperature rise rate with 2 ℃/minute rises to 550 ℃ from room temperature, rise to 900 ℃ with 2 ℃/minute temperature rise rate then, be incubated 20 hours, naturally cooling in stove obtains the spherical nickel-cobalt lithium manganate.
After testing, the spherical nickel-cobalt lithium manganate material median size for preparing is 12 μ m, is evenly distributed, and observes under scanning electron microscope, and the material major part all presents good ball shape; The tap density of product is 2.5g/cm
3, be negative pole with the lithium sheet, record that the 0.2C first discharge specific capacity is 1 80mAh/g under the above-mentioned materials room temperature.
Claims (7)
1. the preparation method of a spherical nickel-cobalt lithium manganate material is characterized in that, may further comprise the steps:
(1) mixed aqueous solution of preparation nickel salt, cobalt salt, manganese salt, wherein the mol ratio of three metal ion species is 1: 1: 1;
(2) preparation carbonate aqueous solution, CO
3 2-With the molar concentration rate of the total metal ion in the mixing solutions in (1) step be 1.0～1.5: 1;
(3) preparation ammonium salt aqueous solution, NH
4 +The ionic volumetric molar concentration is 0.2～1.5mol/L;
(4) solution with the preparation of (1) (2) (3) step joins in the reactor of band stirring continuously with volume pump respectively, the flow of three kinds of solution of control, and making the pH value of reaction solution is 7.9～8.5, NH in the reaction solution
4 +Concentration be controlled between 0.1mol/L～0.5mol/L, control reaction temperature is 50 ℃～60 ℃, stirring velocity is 600～1000 rev/mins, the overflow port nature overflow of the presoma material of generation from reactor discharged;
(5) persursor material that (4) step was made carries out solid-liquid separation, cleans with pure water, descends dry 3～5 hours at 60 ℃～80 ℃ then, obtains the mixed carbonate of spherical nickel-cobalt manganese;
(6) (5) mixed carbonate that obtains of step is carried out thermal pretreatment, the technology of thermal pretreatment is, rises to 480 ℃～550 ℃ with 2 ℃～5 ℃/minute temperature rise rates from room temperature, is incubated 4～6 hours;
(7) lithium salts with metering mixes by mass ratio 1: 1.2～1.5 with pure water, and ball milling is 3～4 hours in ball mill, makes the lithium salts slurry;
(8) with lithium salts slurry and persursor material after thermal pretreatment Li in molar ratio: (Ni+Co+Mn)=1～1.1: 1 mixed 25～35 minutes;
(9) product of gained in the step (8) is heat-treated, thermal treatment process is, elder generation rises to 480 ℃～550 ℃ with 1 ℃～2 ℃/minute temperature rise rate from room temperature, be incubated 2～4 hours, rise to 850 ℃～950 ℃ with 1 ℃～2 ℃/minute temperature rise rate then, be incubated 15～25 hours, naturally cooling in stove obtains the spherical nickel-cobalt lithium manganate.
2. the preparation method of spherical nickel-cobalt lithium manganate material as claimed in claim 1, the lithium salts that it is characterized in that described step (7) is selected from a kind of in Quilonum Retard, lithium hydroxide, lithium nitrate or the lithium acetate.
3. the preparation method of spherical nickel-cobalt lithium manganate material as claimed in claim 1 is characterized in that the metal ion total concn of described metal-salt mixed aqueous solution is 1mol/L～2.2mol/L.
4. as the preparation method of claim 1 or 2 or 3 described spherical nickel-cobalt lithium manganate materials, it is characterized in that the CO of described carbonate aqueous solution
3 2-With the ratio of the volumetric molar concentration of the total metal ion of solution of described (1) step preparation be 1.1～1.2: 1.
5. as the preparation method of claim 1 or 2 or 3 described spherical nickel-cobalt lithium manganate materials, it is characterized in that the pH value of the reaction solution in described (4) step is 8.0～8.3.
6. as the preparation method of claim 1 or 2 or 3 described spherical nickel-cobalt lithium manganate materials, it is characterized in that NH in described (4) reaction solution that goes on foot
4 +Concentration be 0.2mol/L～0.3mol/L.
7. as the preparation method of claim 1 or 2 or 3 described spherical nickel-cobalt lithium manganate materials, it is characterized in that control reaction temperature is 50 ℃～55 ℃ in described (4) step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100343181A CN101229928B (en) | 2007-01-25 | 2007-01-25 | Method for preparing spherical nickel-cobalt lithium manganate material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100343181A CN101229928B (en) | 2007-01-25 | 2007-01-25 | Method for preparing spherical nickel-cobalt lithium manganate material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101229928A true CN101229928A (en) | 2008-07-30 |
| CN101229928B CN101229928B (en) | 2010-04-07 |
Family
ID=39896811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100343181A Active CN101229928B (en) | 2007-01-25 | 2007-01-25 | Method for preparing spherical nickel-cobalt lithium manganate material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101229928B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070179A (en) * | 2010-11-24 | 2011-05-25 | 安徽亚兰德新能源材料有限公司 | Method for preparing spherical carbonate ternary precursor |
| CN102324514A (en) * | 2011-09-21 | 2012-01-18 | 江西博能新材料有限公司 | A kind of lithium ion battery tertiary cathode material is with the preparation method of presoma |
| CN102583579A (en) * | 2012-02-14 | 2012-07-18 | 佛山市邦普循环科技有限公司 | Method for modifying rich lithium cobalt lithium manganite cathode material of lithium ion battery |
| CN102709540A (en) * | 2012-03-15 | 2012-10-03 | 湖南红太阳电源新材料股份有限公司 | Spherical three-element precursor material production method used in battery industry |
| CN103094523A (en) * | 2013-01-17 | 2013-05-08 | 东莞新能源科技有限公司 | Anode material for lithium ion battery and preparation method of anode material |
| CN103187565A (en) * | 2011-12-29 | 2013-07-03 | 北京当升材料科技股份有限公司 | Preparation method for precursor of lithium-rich Mn-based positive electrode material of lithium ion battery |
| CN103326012A (en) * | 2012-03-21 | 2013-09-25 | 商丘金泰材料科技有限公司 | Preparation methods of spherical lithium manganate for lithium-ion power battery and precursor of spherical lithium manganate |
| CN103797623A (en) * | 2011-06-07 | 2014-05-14 | 住友金属矿山株式会社 | Nickel composite hydroxide and process for producing same, positive active material for nonaqueous-electrolyte secondary battery and process for producing same, and nonaqueous-electrolyte secondary battery |
| CN105514411A (en) * | 2015-12-19 | 2016-04-20 | 山东玉皇新能源科技有限公司 | Synthesis method of positive electrode material for lithium ion batteries |
| CN106684374A (en) * | 2016-12-30 | 2017-05-17 | 安徽壹石通材料科技股份有限公司 | Preparation method for porous spherical lithium nickel cobalt manganate used as ternary positive electrode material of lithium ion battery |
| CN108640166A (en) * | 2018-05-30 | 2018-10-12 | 中国科学院金属研究所 | A method of preparing nickle cobalt lithium manganate ternary battery material using recycling high temperature alloy waste liquid |
| CN109160545A (en) * | 2018-07-24 | 2019-01-08 | 格林美股份有限公司 | A kind of precursor of nickel-cobalt-lithium-manganese-oxide synthesizer |
| US10411258B2 (en) | 2014-10-08 | 2019-09-10 | Umicore | Impurity containing cathode material with preferred morphology and method to prepare from impurity containing metal carbonate |
| CN110854384A (en) * | 2019-11-26 | 2020-02-28 | 河北省科学院能源研究所 | Preparation method of surface-modified nickel-based electrode material |
| US10903516B2 (en) | 2016-12-19 | 2021-01-26 | Grst International Limited | Method of preparing cathode material for secondary battery |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1283014C (en) * | 2004-12-30 | 2006-11-01 | 清华大学 | Process for preparing high density spherical nickel-cobalt lithium manganate as anode material of lithium ion cell |
| CN100420077C (en) * | 2006-07-19 | 2008-09-17 | 北京格林动力电源技术有限公司 | Positive pole material of lithium ion cell |
-
2007
- 2007-01-25 CN CN2007100343181A patent/CN101229928B/en active Active
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070179B (en) * | 2010-11-24 | 2012-12-19 | 安徽亚兰德新能源材料有限公司 | Method for preparing spherical carbonate ternary precursor |
| CN102070179A (en) * | 2010-11-24 | 2011-05-25 | 安徽亚兰德新能源材料有限公司 | Method for preparing spherical carbonate ternary precursor |
| CN103797623A (en) * | 2011-06-07 | 2014-05-14 | 住友金属矿山株式会社 | Nickel composite hydroxide and process for producing same, positive active material for nonaqueous-electrolyte secondary battery and process for producing same, and nonaqueous-electrolyte secondary battery |
| CN102324514A (en) * | 2011-09-21 | 2012-01-18 | 江西博能新材料有限公司 | A kind of lithium ion battery tertiary cathode material is with the preparation method of presoma |
| CN102324514B (en) * | 2011-09-21 | 2013-09-25 | 江西博能新材料有限公司 | Preparation method of precursor for ternary anode material of lithium ion battery |
| CN103187565B (en) * | 2011-12-29 | 2017-08-25 | 北京当升材料科技股份有限公司 | A kind of preparation method of the rich lithium Mn base anode material presomas of lithium ion battery |
| CN103187565A (en) * | 2011-12-29 | 2013-07-03 | 北京当升材料科技股份有限公司 | Preparation method for precursor of lithium-rich Mn-based positive electrode material of lithium ion battery |
| CN102583579B (en) * | 2012-02-14 | 2014-05-21 | 广东邦普循环科技有限公司 | Method for modifying rich lithium cobalt lithium manganite cathode material of lithium ion battery |
| CN102583579A (en) * | 2012-02-14 | 2012-07-18 | 佛山市邦普循环科技有限公司 | Method for modifying rich lithium cobalt lithium manganite cathode material of lithium ion battery |
| CN102709540A (en) * | 2012-03-15 | 2012-10-03 | 湖南红太阳电源新材料股份有限公司 | Spherical three-element precursor material production method used in battery industry |
| CN103326012B (en) * | 2012-03-21 | 2016-05-18 | 商丘金泰材料科技有限公司 | Spherical lithium manganate and precursor preparation method thereof for lithium-ion-power cell |
| CN103326012A (en) * | 2012-03-21 | 2013-09-25 | 商丘金泰材料科技有限公司 | Preparation methods of spherical lithium manganate for lithium-ion power battery and precursor of spherical lithium manganate |
| CN103094523A (en) * | 2013-01-17 | 2013-05-08 | 东莞新能源科技有限公司 | Anode material for lithium ion battery and preparation method of anode material |
| US11462735B2 (en) | 2014-10-08 | 2022-10-04 | Umicore | Impurity containing cathode material with preferred morphology and method to prepare from impurity containing metal carbonate |
| US10411258B2 (en) | 2014-10-08 | 2019-09-10 | Umicore | Impurity containing cathode material with preferred morphology and method to prepare from impurity containing metal carbonate |
| CN105514411A (en) * | 2015-12-19 | 2016-04-20 | 山东玉皇新能源科技有限公司 | Synthesis method of positive electrode material for lithium ion batteries |
| CN105514411B (en) * | 2015-12-19 | 2018-08-10 | 山东玉皇新能源科技有限公司 | A kind of synthetic method of anode material for lithium-ion batteries |
| US10903516B2 (en) | 2016-12-19 | 2021-01-26 | Grst International Limited | Method of preparing cathode material for secondary battery |
| CN106684374A (en) * | 2016-12-30 | 2017-05-17 | 安徽壹石通材料科技股份有限公司 | Preparation method for porous spherical lithium nickel cobalt manganate used as ternary positive electrode material of lithium ion battery |
| CN108640166B (en) * | 2018-05-30 | 2020-09-08 | 中国科学院金属研究所 | Method for preparing nickel cobalt lithium manganate ternary battery material by utilizing recycled high-temperature alloy waste liquid |
| CN108640166A (en) * | 2018-05-30 | 2018-10-12 | 中国科学院金属研究所 | A method of preparing nickle cobalt lithium manganate ternary battery material using recycling high temperature alloy waste liquid |
| CN109160545B (en) * | 2018-07-24 | 2021-01-05 | 格林美股份有限公司 | Nickel cobalt lithium manganate precursor synthesizer |
| CN109160545A (en) * | 2018-07-24 | 2019-01-08 | 格林美股份有限公司 | A kind of precursor of nickel-cobalt-lithium-manganese-oxide synthesizer |
| CN110854384A (en) * | 2019-11-26 | 2020-02-28 | 河北省科学院能源研究所 | Preparation method of surface-modified nickel-based electrode material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101229928B (en) | 2010-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101229928B (en) | Method for preparing spherical nickel-cobalt lithium manganate material | |
| CN104201367B (en) | High density small particle nickel cobalt manganese hydroxide and preparation method thereof | |
| CN104556248B (en) | The method of continuous production large granular spherical cobalt carbonate | |
| CN101834291B (en) | Preparation method of submicron level LiniO.5MnO.5O2 cathode material | |
| CN109326781A (en) | A kind of preparation method of high voltage lithium cobalt oxide anode | |
| CN102683645A (en) | Preparation method of layered lithium-rich manganese base oxide of positive material of lithium ion battery | |
| CN102208607A (en) | Synthesis and surface modification method of lithium excessive laminar oxide anode material | |
| CN102983326B (en) | Spherical lithium-nickel-cobalt composite oxide positive electrode material preparation method | |
| CN107565121A (en) | A kind of preparation method of lithium battery modified anode material | |
| CN103098271B (en) | For the anode active material and preparation method thereof of lithium secondary battery | |
| CN102751485A (en) | Preparation method of composite cathode material for lithium ion battery | |
| CN102569780A (en) | Method for preparing lithium ion battery cathode material with layered structure | |
| CN108585065A (en) | A kind of nickelic ternary anode material precursor and preparation method thereof | |
| CN107364901B (en) | A kind of high-voltage spinel nickel lithium manganate cathode material and preparation method thereof | |
| CN110085858A (en) | A kind of nickelic tertiary cathode material of niobium-phosphor codoping and its preparation method and application | |
| CN108767216A (en) | Anode material for lithium-ion batteries and its synthetic method with the full concentration gradient of variable slope | |
| CN106920934A (en) | The preparation method of the codoping modified ternary precursor of cobalt magnesium and positive electrode based on high-nickel material | |
| CN104332624A (en) | Preparation method of nickel cobalt lithium manganate material precursor | |
| CN103413932A (en) | Modified single crystal type multielement anode material and preparation method thereof | |
| CN113707874A (en) | Preparation method of single-crystal high-nickel layered cathode material | |
| KR20230008126A (en) | Cathode material for lithium ion battery and its manufacturing method and lithium ion battery | |
| CN110504447A (en) | A kind of nickel cobalt manganese presoma of Fluorin doped and the preparation method and application thereof | |
| CN113206242A (en) | Nickel-cobalt-manganese-aluminum quaternary precursor, positive electrode material and preparation method | |
| CN108565455A (en) | A kind of method that non-nitrogen containing complexing agent auxiliary prepares spherical nickel cobalt manganese ternary precursor | |
| CN111792679A (en) | Green low-cost ternary material precursor and preparation method and device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen National Engineering Research Center of Advanced Energy Storage Materials Co., Ltd. Assignor: Hunan Corun New Energy Co., Ltd. Contract record no.: 2011430000042 Denomination of invention: Method for preparing spherical nickel-cobalt lithium manganate material Granted publication date: 20100407 License type: Common License Open date: 20080730 Record date: 20110415 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20210721 Address after: 410100 first floor, building 10, advanced energy storage and energy conservation demonstration Industrial Park, No. 169, Section 2, Renmin East Road, Changsha Economic and Technological Development Zone, Hunan Province Patentee after: NATIONAL ENGINEERING RESEARCH OF ADVANCED ENERGY STORAGE MATERIALS Address before: 410100 No. 6 South Xingsha Road, Changsha economic and Technological Development Zone, Hunan, China Patentee before: Hunan Corun New Energy Co.,Ltd. |
|
| TR01 | Transfer of patent right |