CN102219265A - Method for preparing nickel-cobalt-manganese composite oxide powder - Google Patents
Method for preparing nickel-cobalt-manganese composite oxide powder Download PDFInfo
- Publication number
- CN102219265A CN102219265A CN2011100762321A CN201110076232A CN102219265A CN 102219265 A CN102219265 A CN 102219265A CN 2011100762321 A CN2011100762321 A CN 2011100762321A CN 201110076232 A CN201110076232 A CN 201110076232A CN 102219265 A CN102219265 A CN 102219265A
- Authority
- CN
- China
- Prior art keywords
- cobalt
- nickel
- manganese
- preparation
- oxide compound
- 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
Images
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention provides a method for preparing nickel-cobalt-manganese composite oxide powder, and relates to a preparation method of a battery cathode material. The preparation method is characterized by comprising the following processes of: atomizing a nickel salt, cobalt salt and manganese salt mixed solution used as a raw material, carrying out thermal decomposition at high temperature in a controllable atmosphere to obtain the nickel-cobalt-manganese composite oxide powder, and absorbing generated tail gases to form regenerated acid. The method can be used for preparing the nickel-cobalt-manganese composite oxide from the solution continuously in one step, and the nickel-cobalt-manganese composite oxide powder prepared by the preparation method has the advantages of controllable particle size in the range of 0.2-20 mu m, uniform particle size distribution, uniform composition and excellent performance. The preparation method has the advantages of energy saving, environmental protection, low production cost and significant economic and social benefits.
Description
Technical field
A kind of preparation method of cobalt-nickel-manganese oxide compound powder relates to and is used for lithium ion battery anode material nickel cobalt manganese composite oxide (Ni
XCo
YMn
ZO) preparation method of powder.
Background technology
Cobalt-nickel-manganese oxide compound (Ni
XCo
YMn
ZO) powder body material is mainly used in preparation cell positive material LiNi
xMn
yCo
1-x-yO
2
Anode material for lithium-ion batteries LiNi
xMn
yCo
1-x-yO
2Has LiCoO
2, LiNiO
2Wait other positive electrode material incomparable advantage.1) cobalt acid lithium owing to cost an arm and a leg, poor safety performance is not suitable as power cell.2) lithium manganate has advantages such as low cost, environmental protection, security are good, but its energy density is low, cycle performance is poor, the problems of dissolution of manganese was outstanding when carbon was done negative pole.3) lithium nickel cobalt dioxide volume ratio cobalt acid lithium increases, but the preparation cost height, overcharges and have safety issue.4) iron lithium phosphate has advantages such as with low cost, environmental friendliness, security be good, but its volume energy density is lower.Comparatively speaking, LiNi
xMn
yCo
1-x-yO
2Theoretical specific capacity higher, about 278mAh/g, good cycle, volume change little (less than 2%) in the charge and discharge process, tap density is big, the energy density height, it is relevant that actual specific capacity can reach the same nickel of 140-180mAh/g(, cobalt, manganese ratio), the synthetic method simple possible has overcome LiMn
2O
4, LiNiO
2, LiCoO
2And LiFePO
4The part shortcoming, therefore become lithium-ion secondary cell, particularly one of preferred material of minitype motivation battery.
Be used to prepare cell positive material LiNi at present
xMn
yCo
1-x-yO
2The nickel-cobalt-manganese ternary matrix material mainly comprise nickel, cobalt and manganese oxide and nickel cobalt manganese oxyhydroxide.Wherein, if nickel cobalt manganese oxyhydroxide adopts the chemical method precipitator method to prepare in protective atmosphere and gets; Nickel, cobalt and manganese oxide adopts batch mixing incinerating preparation method.The product good uniformity of chemical precipitation method preparation, advantage such as granularity is controlled easily, and product impurity is low, but exist the production cycle long, problems such as technique controlling difficulty is big, product stability is not enough, cost height.The batch mixing calcination method is simple, but exists product easily to produce problems such as segregation, reaction control difficulty, equipment requirements height.
The high temperature pyrolysis flouring technology is the advanced problem of domestic and international powder production field.At present, adopt spray pyrolysis preparation of industrialization oxide compound, the application that particularly prepares the aspect of cobalt-nickel-manganese oxide compound powder body material yet there are no report.
Summary of the invention
Purpose of the present invention is exactly the deficiency that exists at above-mentioned prior art, and a kind of preparation method with cobalt-nickel-manganese oxide compound powder that product is even, purity is high, chemical property is excellent of advantages such as technical process is short, cost is low, environmental protection and energy saving is provided.
The objective of the invention is to be achieved through the following technical solutions.
A kind of preparation method of cobalt-nickel-manganese oxide compound powder, it is characterized in that its preparation process is with the atomizing of the mixing salt solution of nickel cobalt manganese after, at high temperature carry out thermolysis and directly produce the cobalt-nickel-manganese oxide compound powder body material.
The preparation method of a kind of cobalt-nickel-manganese oxide compound powder of the present invention, it is characterized in that nickel salt in the mixing salt solution of described nickel cobalt manganese is a kind of in nickelous chloride, nickelous nitrate, the single nickel salt, cobalt salt is a kind of in cobalt chloride, Xiao Suangu, the rose vitriol, and manganese salt is a kind of in Manganous chloride tetrahydrate, manganous nitrate, the manganous sulfate.
The preparation method of a kind of cobalt-nickel-manganese oxide compound powder of the present invention, the amount that it is characterized in that nickel salt, cobalt salt, manganese salt in the mixing salt solution of described nickel cobalt manganese is by the preparation of the metal ion mol ratio in the cobalt-nickel-manganese oxide compound powder of preparation.
The preparation method of a kind of cobalt-nickel-manganese oxide compound powder of the present invention is characterized in that nickel, cobalt, the manganese metal ion total concn in the mixing salt solution of described nickel cobalt manganese is 10～240g/L.
The preparation method of a kind of cobalt-nickel-manganese oxide compound powder of the present invention is characterized in that the mixing salt solution atomizing of described nickel cobalt manganese is the drop of 0.5～100 μ m.
The preparation method of a kind of cobalt-nickel-manganese oxide compound powder of the present invention is characterized in that drop after the mixing salt solution atomizing of described nickel cobalt manganese under 200～1200 ℃ of temperature, and oxygen partial pressure is 1kPa-8kPa, thermolysis 1～30 minute.
A kind of cobalt-nickel-manganese oxide compound powder preparation method of the present invention, with nickel salt, cobalt salt, manganese salt solution as raw material, the atomizing back makes the mixing salt solution pyrolysis of nickel cobalt manganese generate cobalt-nickel-manganese oxide compound in high temperature (200～1200 ℃), controlled atmosphere, produces tail gas through absorbing the method that forms regenerating acid.This method can one the step realize preparation process continuously from the mixing salt solution of nickel cobalt manganese to cobalt-nickel-manganese oxide compound, and controlled in 0.2～20 mu m range with the cobalt-nickel-manganese oxide compound powder size that this method makes, powder size is evenly distributed, the chemical property excellence.These preparation method's energy-saving and environmental protection, production cost are low, have remarkable economical and social benefit.
Description of drawings
Fig. 1 is the stereoscan photograph of the prepared cobalt-nickel-manganese oxide compound powder of the present invention.
Fig. 2 is the process flow sheet of method of the present invention.
Embodiment
A kind of preparation method of cobalt-nickel-manganese oxide compound powder, its preparation process are with after nickel salt, cobalt salt, the atomizing of manganese mixed salt solution, at high temperature carry out thermolysis and obtain the cobalt-nickel-manganese oxide compound powder body material.The step of preparation process comprises:
1) batching: by required metal ion mol ratio preparation, total concentration of metal ions is 10～240g/L with nickel salt solution (nickelous chloride, nickelous nitrate, single nickel salt), cobalt salt solution (cobalt chloride, Xiao Suangu, rose vitriol), manganese salt solution (Manganous chloride tetrahydrate, manganous nitrate, manganous sulfate).
2) solution atomization is the drop of 0.5～100 μ m atomizing: will prepare burden 1).
3) pyrolysis: with 2) the gained drop is under the 1kPa-8kPa condition at 200～1200 ℃, oxygen partial pressure, pyrolysis 1～30 minute.
Embodiment 1
Configuration Ni:Co:Mn metal ion mol ratio proportioning is that 1:1:1, total concentration of metal ions are nickelous nitrate, Xiao Suangu, the manganous nitrate mixing solutions of 10g/L; Solution is atomized through spraying gun; The drop of atomizing is sprayed in the process furnace, is that 620 ℃, oxygen partial pressure are to heat 5min under the 1kPa condition in temperature.Gained cobalt-nickel-manganese oxide compound Ni
1/3Co
1/3Mn
1/3O, even particle size distribution, D50 is 0.5 μ m, loose density is 0.35g/cm
3
Embodiment 2
Configuration Ni:Co:Mn metal ion mol ratio proportioning is that 1:1:1, total concentration of metal ions are nickelous nitrate, Xiao Suangu, the manganous nitrate mixing solutions of 10g/L; Solution is atomized through spraying gun; The drop of atomizing is sprayed in the process furnace, is that 920 ℃, oxygen partial pressure are hot 10min under the 2kPa condition in temperature.Gained cobalt-nickel-manganese oxide compound Ni
1/3Co
1/3Mn
1/3O, even particle size distribution, D50 is 4.3 μ m, loose density is 1.12g/cm
3
Embodiment 3
Configuration Ni:Co:Mn metal ion mol ratio proportioning is that 1:1:1, total concentration of metal ions are nickelous nitrate, Xiao Suangu, the manganous nitrate mixing solutions of 10g/L; Solution is atomized through spraying gun; The drop of atomizing is sprayed in the process furnace, is that 1100 ℃, oxygen partial pressure are to heat 5min under the 2kPa condition in temperature.Gained cobalt-nickel-manganese oxide compound Ni
1/3Co
1/3Mn
1/3O, complete in crystal formation, no dephasign, even particle size distribution, D50 is 6.2 μ m, loose density is 1.21g/cm
3
Embodiment 4
Configuration Ni:Co:Mn metal ion mol ratio proportioning is that 1:1:1, total concentration of metal ions are nickelous nitrate, Xiao Suangu, the manganous nitrate mixing solutions of 100g/L; Solution is atomized through spraying gun; The drop of atomizing is sprayed in the process furnace, is that 700 ℃, oxygen partial pressure are to heat 25min under the 3kPa condition in temperature.Gained cobalt-nickel-manganese oxide compound Ni
1/3Co
1/3Mn
1/3O, complete in crystal formation, no dephasign, even particle size distribution, D50 is 5.8 μ m, loose density is 1.17g/cm
3
Embodiment 5
Configuration Ni:Co:Mn metal ion mol ratio proportioning is that 1:1:1, total concentration of metal ions are nickelous nitrate, Xiao Suangu, the manganous nitrate mixing solutions of 240g/L; Solution is atomized through spraying gun; The drop of atomizing is sprayed in the process furnace, is that 700 ℃, oxygen partial pressure are to heat 20min under the 3kPa condition in temperature.Gained cobalt-nickel-manganese oxide compound Ni
1/3Co
1/3Mn
1/3O, complete in crystal formation, no dephasign, even particle size distribution, D50 is 6.8 μ m, loose density is 1.21g/cm
3
Embodiment 6
Configuration Ni:Co:Mn metal ion mol ratio proportioning is that 1:1:1, total concentration of metal ions are nickelous chloride, cobalt chloride, the Manganous chloride tetrahydrate mixing solutions of 100g/L; Solution is atomized through spraying gun; The drop of atomizing is sprayed in the process furnace, is that 700 ℃, oxygen partial pressure are to heat 15min under the 3kPa condition in temperature.Gained cobalt-nickel-manganese oxide compound Ni
1/3Co
1/3Mn
1/3O, complete in crystal formation, no dephasign, even particle size distribution, D50 is 4.5 μ m, loose density is 1.03g/cm
3
Embodiment 7
Configuration Ni:Co:Mn metal ion mol ratio proportioning is that 1:1:1, total concentration of metal ions are single nickel salt, rose vitriol, the manganous sulfate mixing solutions of 100g/L; Solution is atomized through spraying gun; The drop of atomizing is sprayed in the process furnace, is that 700 ℃, oxygen partial pressure are to heat 25min under the 3kPa condition in temperature.Gained cobalt-nickel-manganese oxide compound Ni
1/3Co
1/3Mn
1/3O, complete in crystal formation, no dephasign, even particle size distribution, D50 is 4.8 μ m, loose density is 1.09g/cm
3
Embodiment 8
Configuration Ni:Co:Mn metal ion mol ratio proportioning is that 1:1:1, total concentration of metal ions are single nickel salt, rose vitriol, the manganous sulfate mixing solutions of 100g/L; Solution is atomized through spraying gun; The drop of atomizing is sprayed in the process furnace, is that 700 ℃, oxygen partial pressure are to heat 15min under the 8kPa condition in temperature.Gained cobalt-nickel-manganese oxide compound Ni
1/3Co
1/3Mn
1/3O, complete in crystal formation, no dephasign, even particle size distribution, D50 is 5.3 μ m, loose density is 1.11g/cm
3
Embodiment 9
Configuration Ni:Co:Mn metal ion mol ratio proportioning is that 5:3:2, total concentration of metal ions are nickelous nitrate, Xiao Suangu, the manganous nitrate mixing solutions of 100g/L; Solution is atomized through spraying gun; The drop of atomizing is sprayed in the process furnace, is that 700 ℃, oxygen partial pressure are to heat 20min under the 3kPa condition in temperature.Gained cobalt-nickel-manganese oxide compound Ni
1/2Co
3/10Mn
1/5O, complete in crystal formation, no dephasign, even particle size distribution, D50 is 3.8 μ m, loose density is 1.04g/cm
3
Embodiment 10
Configuration Ni:Co:Mn metal ion mol ratio proportioning is that 6:3:1, total concentration of metal ions are nickelous nitrate, Xiao Suangu, the manganous nitrate mixing solutions of 100g/L; Solution is atomized through spraying gun; The drop of atomizing is sprayed in the process furnace, is that 700 ℃, oxygen partial pressure are to heat 20min under the 3kPa condition in temperature.Gained cobalt-nickel-manganese oxide compound Ni
3/5Co
3/10Mn
1/10O, complete in crystal formation, no dephasign, even particle size distribution, D50 is 4.6 μ m, loose density is 0.93g/cm
3
Embodiment 11
Configuration Ni:Co:Mn metal ion mol ratio proportioning is that 4:2:4, total concentration of metal ions are nickelous nitrate, Xiao Suangu, the manganous nitrate mixing solutions of 100g/L; Solution is atomized through spraying gun; The drop of atomizing is sprayed in the process furnace, is that 700 ℃, oxygen partial pressure are to heat 20min under the 3kPa condition in temperature.Gained cobalt-nickel-manganese oxide compound Ni
2/5Co
1/5Mn
2/5O, complete in crystal formation, no dephasign, even particle size distribution, D50 is 6.7 μ m, loose density is 1.07g/cm
3
Embodiment 12
Configuration Ni:Co:Mn metal ion mol ratio proportioning is that 8:1:1, total concentration of metal ions are nickelous nitrate, Xiao Suangu, the manganous nitrate mixing solutions of 100g/L; Solution is atomized through spraying gun; The drop of atomizing is sprayed in the process furnace, is that 700 ℃, oxygen partial pressure are to heat 10min under the 3kPa condition in temperature.Gained cobalt-nickel-manganese oxide compound Ni
4/5Co
1/10Mn
1/10O, complete in crystal formation, no dephasign, even particle size distribution, D50 is 3.5 μ m, loose density is 0.82g/cm
3
Embodiment 13
Configuration Ni:Co:Mn metal ion mol ratio proportioning is that 8:1:1, total concentration of metal ions are nickelous nitrate, Xiao Suangu, the manganous nitrate mixing solutions of 10g/L; Solution is atomized through spraying gun; The drop of atomizing is sprayed in the process furnace, is that 700 ℃, oxygen partial pressure are to heat 10min under the 8kPa condition in temperature.Gained cobalt-nickel-manganese oxide compound Ni
4/5Co
1/10Mn
1/10O, complete in crystal formation, no dephasign, even particle size distribution, D50 is 7.1 μ m, loose density is 1.24g/cm
3
Technical process of the present invention is simple and direct, and decomposition atmosphere is controlled, the capacity usage ratio height, and foreign matter content is low, can significantly improve the powder agglomeration problem, the product quality excellence.The chemical waste fluid discharging of nonpollution environment.Tail gas can be absorbed purification, and emission gases reaches national environmental standard.
Claims (6)
1. the preparation method of a cobalt-nickel-manganese oxide compound powder, it is characterized in that of the mixing salt solution atomizing of its preparation process with nickel cobalt manganese after, at high temperature carry out thermolysis and directly produce the cobalt-nickel-manganese oxide compound powder body material.
2. the preparation method of a kind of cobalt-nickel-manganese oxide compound powder according to claim 1, it is characterized in that nickel salt in the mixing salt solution of described nickel cobalt manganese is a kind of in nickelous chloride, nickelous nitrate, the single nickel salt, cobalt salt is a kind of in cobalt chloride, Xiao Suangu, the rose vitriol, and manganese salt is a kind of in Manganous chloride tetrahydrate, manganous nitrate, the manganous sulfate.
3. the preparation method of a kind of cobalt-nickel-manganese oxide compound powder according to claim 1, the amount that it is characterized in that nickel salt, cobalt salt, manganese salt in the mixing salt solution of described nickel cobalt manganese is by the preparation of the metal ion mol ratio in the cobalt-nickel-manganese oxide compound powder of preparation.
4. the preparation method of a kind of cobalt-nickel-manganese oxide compound powder according to claim 1 is characterized in that nickel, cobalt, the manganese metal ion total concn in the mixing salt solution of described nickel cobalt manganese is 10～240g/L.
5. a kind of cobalt-nickel-manganese oxide compound powder body material preparation method according to claim 1 is characterized in that the mixing salt solution atomizing of described nickel cobalt manganese is the drop of 0.5～100 μ m.
6. the preparation method of a kind of cobalt-nickel-manganese oxide compound powder according to claim 1 is characterized in that drop after the mixing salt solution atomizing of described nickel cobalt manganese under 200～1200 ℃ of temperature, and oxygen partial pressure is 1kPa-8kPa, thermolysis 1～30 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100762321A CN102219265A (en) | 2011-03-29 | 2011-03-29 | Method for preparing nickel-cobalt-manganese composite oxide powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100762321A CN102219265A (en) | 2011-03-29 | 2011-03-29 | Method for preparing nickel-cobalt-manganese composite oxide powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102219265A true CN102219265A (en) | 2011-10-19 |
Family
ID=44776019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100762321A Pending CN102219265A (en) | 2011-03-29 | 2011-03-29 | Method for preparing nickel-cobalt-manganese composite oxide powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102219265A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513541A (en) * | 2012-01-17 | 2012-06-27 | 先进储能材料国家工程研究中心有限责任公司 | Method for preparing nickel-cobalt-manganese alloy powder |
| CN106587172A (en) * | 2015-10-14 | 2017-04-26 | 金昌鑫盛源金属材料有限公司 | Production process and production device of power battery cathode ternary oxide |
| CN107792891A (en) * | 2017-10-16 | 2018-03-13 | 深圳力合厚浦科技有限公司 | A kind of method and application that cobalt-nickel-manganese oxide compound is produced with nickel cobalt manganese elemental metals |
| CN110364721A (en) * | 2019-07-30 | 2019-10-22 | 北方奥钛纳米技术有限公司 | Nickel cobalt manganese stuff and other stuff and preparation method thereof, nickle cobalt lithium manganate anode material for lithium-ion batteries and preparation method thereof and lithium ion battery |
| US11749842B2 (en) | 2018-11-05 | 2023-09-05 | Tesla, Inc. | Cell with a tabless electrode |
| US11909041B2 (en) | 2018-04-04 | 2024-02-20 | Tesla, Inc. | Method to produce cathode materials for Li-ion batteries |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188293A (en) * | 2007-12-11 | 2008-05-28 | 深圳市贝特瑞新能源材料股份有限公司 | Fe base lithium sale compound anode materials and its making method |
| CN101989664A (en) * | 2009-08-06 | 2011-03-23 | 中国科学院宁波材料技术与工程研究所 | Method for synthesizing nano-powder used for solid oxide fuel cell on large scale |
-
2011
- 2011-03-29 CN CN2011100762321A patent/CN102219265A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188293A (en) * | 2007-12-11 | 2008-05-28 | 深圳市贝特瑞新能源材料股份有限公司 | Fe base lithium sale compound anode materials and its making method |
| CN101989664A (en) * | 2009-08-06 | 2011-03-23 | 中国科学院宁波材料技术与工程研究所 | Method for synthesizing nano-powder used for solid oxide fuel cell on large scale |
Non-Patent Citations (1)
| Title |
|---|
| 方正升: "喷雾热分解法制备LiNi1/3Co1/3Mn1/3O2及其性能研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》, no. 6, 15 December 2007 (2007-12-15) * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513541A (en) * | 2012-01-17 | 2012-06-27 | 先进储能材料国家工程研究中心有限责任公司 | Method for preparing nickel-cobalt-manganese alloy powder |
| CN106587172A (en) * | 2015-10-14 | 2017-04-26 | 金昌鑫盛源金属材料有限公司 | Production process and production device of power battery cathode ternary oxide |
| CN107792891A (en) * | 2017-10-16 | 2018-03-13 | 深圳力合厚浦科技有限公司 | A kind of method and application that cobalt-nickel-manganese oxide compound is produced with nickel cobalt manganese elemental metals |
| US11909041B2 (en) | 2018-04-04 | 2024-02-20 | Tesla, Inc. | Method to produce cathode materials for Li-ion batteries |
| US11749842B2 (en) | 2018-11-05 | 2023-09-05 | Tesla, Inc. | Cell with a tabless electrode |
| CN110364721A (en) * | 2019-07-30 | 2019-10-22 | 北方奥钛纳米技术有限公司 | Nickel cobalt manganese stuff and other stuff and preparation method thereof, nickle cobalt lithium manganate anode material for lithium-ion batteries and preparation method thereof and lithium ion battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101330141B (en) | Method for preparing lithium ionic battery anode material spherical LiFePO4 /C | |
| CN103339062B (en) | Spinel-type lithium manganese-based composite oxide | |
| CN103332754A (en) | High voltage lithium ion battery cathode material and preparation method thereof | |
| CN106159244A (en) | Lithium battery cathode material, preparation method thereof and lithium ion battery for power | |
| CN102623691B (en) | Method for preparing lithium nickel manganese oxide serving as cathode material of lithium battery | |
| CN106299282B (en) | Nitrogen-doped carbon nanotube sulfur composite material and preparation method thereof | |
| CN104577067B (en) | A kind of preparation method of the lithium cobaltate cathode material that perfluorocarbon black-envelope covers | |
| CN102219265A (en) | Method for preparing nickel-cobalt-manganese composite oxide powder | |
| CN106384813A (en) | Fast synthesis method of positive electrode material for lithium ion battery | |
| CN104600285A (en) | Method for preparing spherical lithium nickel manganese oxide positive pole material | |
| CN102328961A (en) | Precursor of nickel cobalt lithium manganate positive material for lithium ion battery and production method thereof | |
| Jiang et al. | Syntheses of spherical LiMn2O4 with Mn3O4 and its electrochemistry performance | |
| Zhang et al. | Simplified co-precipitation synthesis of spinel LiNi0. 5Mn1. 5O4 with improved physical and electrochemical performance | |
| CN104009209A (en) | Method for preparing lithium ion battery anode material with core-shell structure | |
| CN107230771A (en) | A kind of method of vanadium phosphate coated lithium ion battery anode material nickel cobalt manganic acid lithium | |
| CN114141999A (en) | High-temperature-resistant high-voltage composite lithium cobaltate cathode material and preparation method and application thereof | |
| CN101944615B (en) | Lithium-manganese phosphate anode material for lithium ion battery and preparation method thereof | |
| CN109088043A (en) | A kind of lithium sulphur-lithium ion hybrid battery and lithium sulphur-lithium ion hybrid battery positive electrode and preparation method thereof | |
| CN102306769B (en) | Preparation method of lithium iron phosphate/lithium vanadium phosphate composite material | |
| CN102115215A (en) | Preparation method of nickel oxide powder | |
| CN102070187A (en) | Method for preparing spinel lithium titanate serving as negative material of lithium ion battery | |
| CN106410169B (en) | Composite anode material for lithium ion battery and preparation method thereof and lithium ion battery | |
| WO2024093820A1 (en) | Positive electrode material and preparation method therefor, positive electrode and battery | |
| CN108288698A (en) | A kind of preparation method of lithium iron phosphate positive material | |
| WO2013127251A1 (en) | Method for preparing electrochemically active material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111019 |