CN1838453A - Lithium-nickel-cobalt-manganese-oxygen material for lithium ion battery positive electrode and preparation method thereof - Google Patents
Lithium-nickel-cobalt-manganese-oxygen material for lithium ion battery positive electrode and preparation method thereof Download PDFInfo
- Publication number
- CN1838453A CN1838453A CNA2005100313543A CN200510031354A CN1838453A CN 1838453 A CN1838453 A CN 1838453A CN A2005100313543 A CNA2005100313543 A CN A2005100313543A CN 200510031354 A CN200510031354 A CN 200510031354A CN 1838453 A CN1838453 A CN 1838453A
- Authority
- CN
- China
- Prior art keywords
- nickel
- cobalt
- manganese
- lithium
- precipitation
- 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
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
This invention relates to lithium battery positive material of lithium, nickel, cobalt, manganese, oxygen, and their making method, the chemistry molecule formula as follows: Li1+deltaNixCoyMnzO2, wherein 1.02<1+delta<2,0.5<x+y+z<1. The preparation method includes the preparation of nickel cobalt manganese oxide, their blended solution's deposition and heat treatment. The raw material cost is only 1/3 of LiCoO2; and the method can improve the batter's volume energy density; the technology operation is easy to control. Comparing to the traditional LiCoO2 material, this invention can discharge around 2.75-4.6V, which has higher specific volume.
Description
Technical field
The present invention relates to a kind of anode material for lithium-ion batteries, particularly the lithium nickel cobalt manganese oxygen material.Belong to energy storage material and electrochemical field.
Background technology
Energy crisis and environmental pollution be human survival face sternly complete challenge, seeking clean, reproducible secondary energy sources is the tasks of realizing that human social needs to be resolved hurrily.In numerous secondary cell systems, lithium ion battery have operating voltage height, energy density big, have extended cycle life, advantages such as self-discharge rate is little, environmental protection, become the secondary cell main development tendency.Present commercial lithium ion battery negative material generally adopts graphite or graphitized carbon material, and its theoretical specific capacity is 372mAh/g, and actual capacity also reaches more than the 330mAh/g, and aboundresources, cheap.And positive electrode mainly adopts and has α-NaFeO
2The LiCoO of type layer structure
2, it has synthetic easy, the stable advantage of charge-discharge performance, but also comes with some shortcomings: because LiCoO
2In have only half lithium can be reversible deviate from/embed, its theoretical specific capacity is 147mAh/g, and actual use capacity is about 140mAh/g, 1/2nd of still not enough charcoal capacity of negative plates; LiCoO
2syntheticly need rare, the expensive cobalt metal of ample resources, thereby the cost of raw material of battery is higher; Charging state LiCoO
2Poor heat stability, make with LiCoO
2Not good enough for the lithium ion battery of positive pole in the fail safe under the abuse conditions, can not satisfy the needs of motive-power batteries such as electric vehicle power sources, thereby hinder the development of lithium ion battery.
In the substitution material of cobalt acid lithium, mainly contain olivine-type LiFePO
4, stratiform LiMnO
2, spinel-type LiMn
2O
4And stratiform LiNiO
2Deng.LiFePO wherein
4Have very excellent thermal stability, theoretical capacity is 170mAh/g, but actual capacity is below 140mAh/g, low (the about 3.4V vs Li of operating voltage
+/ Li), electron conduction is poor, and the diffusion rate of lithium in solid phase is little, and high rate during charging-discharging is poor, thereby has limited the energy density and the power density of battery; Manganese-base oxide is because the prices of raw and semifnished materials that adopt are cheap, but all pure stratiform LiMnO
2Or the slight stratiform LiMnO that mixes
2In cyclic process, all there is transformation, and causes significant capacity attenuation to spinel structure; Spinel-type LiMn
2O
4Have the working voltage platform of 3.9-4.1V, and have fail safe preferably, but the specific capacity of this material is lower, the actual capacity that uses is 100-120mAh/g, and the high temperature charge-discharge performance is poor, structural instability; LiNiO
2Has the LiCoO of ratio
2Lower cost of material and higher specific capacity, but LiNiO
2Synthetic difficulty, be difficult to obtain the stoichiometric proportion product, and Ni
4+Very unstable under high voltage, so the cycle performance of material and thermal stability are very poor, all are difficult to satisfy the requirement of commercialization lithium ion battery and improve the specific capacity of positive electrode and the requirement that reduces cost.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of anode material for lithium-ion batteries, make the atom content of prepared cell positive material cobalt in nickel cobalt manganese be lower than 15%; Reversible capacity＞the 150mAh/g of this positive electrode between 2.75-4.3V, the reversible capacity＞190mAh/g between the 2.75-4.6V, and have good cyclical stability and other chemical property.
A kind of lithium ion battery anode material lithium nickel cobalt manganese oxygen--rich lithium type layer structure lithium ion battery positive electrode, its chemical molecular formula is: Li
1+ δNi
xCo
yMn
zO
2, 1.02＜1+ δ＜2,0.1＜x＜0.8,0.02＜y＜O.15 wherein, 0.1＜z＜0.8, and 0.5＜x+y+z＜1.
A kind of lithium ion battery anode material lithium nickel cobalt manganese oxygen preparation method comprises preparation, nickel, cobalt, the co-precipitation of manganese mixing salt solution, the heat treatment of cobalt-nickel-manganese oxide compound.Adopt the soluble-salt of nickel, cobalt, manganese to make raw material according to n
Ni: n
Co: n
Mn=x: y: z is mixed with nickel, cobalt, the manganese mixing salt solution that concentration is 1-2mol/L, carries out co-precipitation then, and the soluble-salt of nickel, cobalt, manganese comprises sulfate or chloride or acetate;
Co-precipitation is a complexing agent with ammoniacal liquor or ammonium salt, LiOH or KOH or NaOH solution are precipitation reagent, join in the reactor with nickel salt solution, and ammonia concentration is 1g/L-17g/L in the control reaction system, temperature is that 25 ℃-80 ℃, pH value are 9-12, obtains the hydroxide of even codeposition nickel cobalt manganese.
Co-precipitation can also be made precipitation reagent with oxalic acid or oxalates or carbon dioxide or carbonate or bicarbonate, and the precipitation reagent of excessive 1%-10% and nickel, cobalt, the reaction of manganese mixing salt solution obtain the oxalates or the even codeposit of carbonate of nickel cobalt manganese.
Coprecipitated product is heat-treated at 400 ℃～700 ℃ after drying, obtains the composite oxides of nickel cobalt manganese;
With dried cobalt-nickel-manganese oxide compound is raw material, presses atomic ratio n with Li source compound
Li: (n
Ni+ n
Co+ n
Mn)=(1+ δ): mixed (x+y+z) is even, ball milling, and after 600 ℃～1000 ℃ high-temperature process, fragmentation, classification promptly gets rich lithium type Li
1+ δNi
xCo
yMn
zO
2Positive electrode.Li source compound is lithium carbonate or lithium oxalate or lithium acetate or lithium hydroxide.
The present invention has following advantage and good effect:
Significantly reduce the cost of anode material for lithium-ion batteries, adopt the present invention, because Li
1+ δNi
xCo
yMn
zO
2In rare your resource cobalt only be LiCoO
2In 2%-15%, what replace it is resource than horn of plenty, nickel and manganese that price is lower, the cost of raw material only is LiCoO
2About 1/3, and effectively protected the scarce resource cobalt.Can obtain the equally distributed precursor of nickel cobalt manganese molecular level, adopt the present invention, because nickel cobalt manganese at first is mixed with solution, under the effect of precipitation reagent and complexing agent common deposited takes place then, nickel cobalt manganese reaches the even distribution of molecular level level in the heavy product that forms sediment altogether, helps obtaining forming even, constitutionally stable lithium nickel cobalt manganese oxygen positive electrode.Adopt method of the present invention, can obtain the high density type spherical precursor, help improving the density of lithium nickel cobalt manganese oxygen positive electrode, thereby improve the volume of battery energy density; Technological operation and control are simple.Can improve the specific capacity of anode material for lithium-ion batteries and the energy density of lithium ion battery, with traditional LiCoO
2The work potential scope (2.75-4.3V) of material is compared, lithium nickel cobalt manganese oxygen positive electrode of the present invention can (2.75-4.6V) is reversible in the potential range of broad discharges and recharges, and have higher specific capacity, thereby can obviously improve the energy density of lithium ion battery.
Table 1. adopts the chemical property of the present invention and conventional art lithium ion anode material
| Project | The * of specific capacity in the half-cell/(mAh/g) | The * * of actual specific capacity/(mAh/g) | |
| 2.75-4.6V | 2.75-4.3V | ||
| LiCoO of the present invention 2 | ＞190 - | ＞150 146.8 | ＞140 135.2 |
In the table: the specific capacity in the * half-cell is to adopt with lithium metal to do the button cell of electrode is tested the gained result;
The * actual specific capacity is for being assembled into actual square lithium ion battery, the result who tests with graphite material between 2.75-4.2V.
Description of drawings
Fig. 1: the XRD analysis collection of illustrative plates of lithium nickel cobalt manganese oxygen material;
Fig. 2: lithium nickel cobalt manganese oxygen is the discharge curve of the lithium ion battery of positive pole;
Fig. 3: lithium nickel cobalt manganese oxygen is the cycle performance curve of the lithium ion battery of positive pole.
Embodiment
1. be raw material with cobalt nitrate, nickelous sulfate, cobaltous sulfate, according to n
Ni: n
Co: n
Mn=0.36: be mixed with 2mol/L (C at 0.08: 0.36
Ni+Co+Mn) mixing salt solution;
Slowly join in the reactor with the ammoniacal liquor of the lithium hydroxide solution of the mixing salt solution of nickel cobalt manganese and 1mol/L, 6mol/L is parallel, hierarchy of control temperature is 50 ± 2 ℃, ammonia concentration is 3.0 ± 0.3g/L, the adding speed control pH value of regulating lithium hydroxide solution is 10.5 ± 0.2, obtains the hydroxide of the nickel cobalt manganese of even codeposition;
The hydroxide of nickel cobalt manganese was handled 6 hours down at 600 ℃ after drying, obtained the composite oxides of nickel cobalt manganese;
Cobalt-nickel-manganese oxide compound and lithium carbonate etc. is pressed atomic ratio n
Li: (n
XNi+ n
Co+ n
MnThe mixed of)=1.2: 0.8 is even, ball milling, slowly be warmed up to 950 ℃ after constant temperature 12h, the cooling, fragmentation, classification promptly obtains rich lithium type Li
1.2Ni
0.36Co
0.08Mn
0.36O
2Positive electrode.
To adopting the X-ray diffraction method that the structural analysis (as accompanying drawing 1) of above-mentioned rich lithium type lithium nickel cobalt manganese oxygen is shown that this has α-NaFeO
2The type layer structure.
With above-mentioned with the active material lithium-nickel-cobalt manganese composite oxide, the conductive agent carbon black, binding agent PVDF mixes according to a certain ratio, be coated on the aluminum foil current collector, the oven dry, compressing tablet makes positive plate.
Above-mentioned positive plate and metal lithium sheet are assembled into button cell, discharge and recharge with 20mA/g, recording the reversible capacity of this material between 2.75-4.6V is 196.3mAh/g, and the reversible capacity between 2.75-4.3V is 156.2mAh/g.
Based lithium-ion battery positive plate and barrier film, graphite cathode, electrolyte are assembled square lithium ion battery on industrial production line, discharge and recharge with 0.2C (120mA), the specific capacity that records the lithium nickel cobalt manganese oxygen positive electrode is 143.1mAh/g (as an accompanying drawing 2), is 83.27% (as accompanying drawing 3) with 450 capability retentions afterwards of 0.5C (300mA) cycle charge-discharge.
Claims (4)
1. lithium ion battery anode material lithium nickel cobalt manganese oxygen, it is characterized in that: chemical molecular formula is: Li
1+ δNi
xCo
yMn
zO
2, 1.02＜1+ δ＜2,0.1＜x＜0.8,0.02＜y＜0.15,0.1＜z＜0.8,0.5＜x+y+z＜1 wherein.
2. a lithium ion battery anode material lithium nickel cobalt manganese oxygen preparation method is characterized in that: comprise preparation, nickel, cobalt, the co-precipitation of manganese mixing salt solution, the heat treatment of cobalt-nickel-manganese oxide compound;
Adopt the soluble-salt of nickel, cobalt, manganese to make raw material according to n
Ni: n
Co: n
Mn=x: y: z is mixed with nickel, cobalt, the manganese mixing salt solution that concentration is 1-2mol/L, carries out co-precipitation then, and the soluble-salt of nickel, cobalt, manganese comprises sulfate or chloride or acetate;
Co-precipitation is a complexing agent with ammoniacal liquor or ammonium salt, LiOH or KOH or NaOH solution are precipitation reagent, join in the reactor with nickel salt solution, and ammonia concentration is 1g/L-17g/L in the control reaction system, temperature is that 25 ℃-80 ℃, pH value are 9-12, obtains the hydroxide of even codeposition nickel cobalt manganese;
Coprecipitated product is heat-treated at 400 ℃～700 ℃ after drying, obtains the composite oxides of nickel cobalt manganese;
With dried cobalt-nickel-manganese oxide compound is raw material, presses atomic ratio n with Li source compound
Li: (n
Ni+ n
Co+ n
Mn=(1+ δ): mixed (x+y+z) is even, ball milling, and after 600 ℃～1000 ℃ high-temperature process, fragmentation, classification promptly gets rich lithium type Li
1+ δNi
xCo
yMn
zO
2Positive electrode.
3. a lithium ion battery anode material lithium nickel cobalt manganese oxygen preparation method is characterized in that: comprise preparation, nickel, cobalt, the co-precipitation of manganese mixing salt solution, the heat treatment of cobalt-nickel-manganese oxide compound;
Adopt the soluble-salt of nickel, cobalt, manganese to make raw material according to n
Ni: n
Co: n
Mn=x: y: z is mixed with nickel, cobalt, the manganese mixing salt solution that concentration is 1-2mol/L, carries out co-precipitation then, and the soluble-salt of nickel, cobalt, manganese comprises sulfate or chloride or acetate;
Co-precipitation is a complexing agent with ammoniacal liquor or ammonium salt, LiOH or KOH or NaOH solution are precipitation reagent, join in the reactor with nickel salt solution, and ammonia concentration is 1g/L-17g/L in the control reaction system, temperature is that 25 ℃-80 ℃, pH value are 9-12, obtains the hydroxide of even codeposition nickel cobalt manganese;
Co-precipitation is made precipitation reagent with oxalic acid or oxalates or carbon dioxide or carbonate or bicarbonate, and the precipitation reagent of excessive 1%-10% and nickel, cobalt, the reaction of manganese mixing salt solution obtain the oxalates or the even codeposit of carbonate of nickel cobalt manganese;
Coprecipitated product is heat-treated at 400 ℃～700 ℃ after drying, obtains the composite oxides of nickel cobalt manganese;
With dried cobalt-nickel-manganese oxide compound is raw material, presses atomic ratio n with Li source compound
Li: (n
Ni+ n
Co+ n
Mn)=(1+ δ): mixed (x+y+z) is even, ball milling, and after 600 ℃～1000 ℃ high-temperature process, fragmentation, classification promptly gets rich lithium type Li
1+ δNi
xCo
yMn
zO
2Positive electrode.
4. according to claim 2 or 3 described methods, it is characterized in that: described Li source compound is lithium carbonate or lithium oxalate or lithium acetate or lithium hydroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100313543A CN100362681C (en) | 2005-03-23 | 2005-03-23 | Lithium-nickel-cobalt-manganese-oxygen material for lithium ion battery positive electrode and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100313543A CN100362681C (en) | 2005-03-23 | 2005-03-23 | Lithium-nickel-cobalt-manganese-oxygen material for lithium ion battery positive electrode and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1838453A true CN1838453A (en) | 2006-09-27 |
| CN100362681C CN100362681C (en) | 2008-01-16 |
Family
ID=37015753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100313543A Expired - Fee Related CN100362681C (en) | 2005-03-23 | 2005-03-23 | Lithium-nickel-cobalt-manganese-oxygen material for lithium ion battery positive electrode and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100362681C (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628869A (en) * | 2009-08-18 | 2010-01-20 | 沈阳张明化工有限公司 | Method for preparing cobalt octoate by using LiCoO, anode material of waste lithium battery |
| WO2011075921A1 (en) * | 2009-12-27 | 2011-06-30 | 深圳市振华新材料股份有限公司 | High manganese polycrystalline anode material, preparation method thereof and dynamic lithium ion battery |
| CN102208607A (en) * | 2011-04-29 | 2011-10-05 | 广州市香港科大霍英东研究院 | Synthesis and surface modification method of lithium excessive laminar oxide anode material |
| CN102244259A (en) * | 2011-06-17 | 2011-11-16 | 中国科学院化学研究所 | Composite lithium-rich anode material, its preparation method and its application |
| CN102332578A (en) * | 2011-09-21 | 2012-01-25 | 广东达之邦新能源技术有限公司 | Anode material for lithium ion battery with high power capacity and manufacturing method thereof |
| CN102509784A (en) * | 2011-10-17 | 2012-06-20 | 北大先行科技产业有限公司 | Preparation method of lithium ion battery ternary cathode material |
| CN102738453A (en) * | 2012-07-11 | 2012-10-17 | 中国第一汽车股份有限公司 | High-tap-density lithium-enriched material prepared by using hydroxyl coprecipitation-fused salt method |
| CN102730761A (en) * | 2012-06-18 | 2012-10-17 | 中国第一汽车股份有限公司 | Oxalate coprecipitation preparation method for high-capacity lithium-rich cathode material |
| CN102769137A (en) * | 2012-08-02 | 2012-11-07 | 厦门钨业股份有限公司 | Method for preparing liquid phase of spinel or layered-structure lithium ion battery anode material |
| CN102782912A (en) * | 2010-03-04 | 2012-11-14 | Jx日矿日石金属株式会社 | Positive electrode active material for lithium-ion batteries, positive electrode for lithium-ion batteries, and lithium-ion battery |
| CN102956881A (en) * | 2011-08-25 | 2013-03-06 | 深圳市钦雨新能源科技有限公司 | High-manganese solid solution as lithium ion battery anode material and preparation method thereof |
| CN103441252A (en) * | 2013-08-12 | 2013-12-11 | 天津巴莫科技股份有限公司 | Method for preparing lithium-enriched manganese-based anode material of nano-oxide-coated lithium ion battery |
| CN104868114A (en) * | 2015-04-06 | 2015-08-26 | 江苏菲思特新能源有限公司 | Preparation method of nickel-rich concentration gradient nickel-cobalt-manganese anode material with low acidity or alkalinity and high processability |
| CN105047906A (en) * | 2015-08-21 | 2015-11-11 | 湖南杉杉新材料有限公司 | Lithium-cobalt composite oxide cathode material and preparation method thereof |
| CN105514360A (en) * | 2015-12-23 | 2016-04-20 | 乐陵胜利新能源有限责任公司 | Lithium-rich material Li1.87Mn0.94Ni0.19O3 as well as preparation method and application thereof |
| CN106564967A (en) * | 2016-10-31 | 2017-04-19 | 安泰科技股份有限公司 | Lithium-rich manganese-based cathode material precursor, cathode material and preparation method thereof |
| CN104979548B (en) * | 2015-06-02 | 2018-09-04 | 中国东方电气集团有限公司 | A kind of preparation method of the oxalates precursor of lithium ion battery nickle cobalt lithium manganate positive electrode |
| CN109546146A (en) * | 2018-12-18 | 2019-03-29 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of rich lithium ternary electrode material and products thereof and application |
| CN110890535A (en) * | 2019-11-29 | 2020-03-17 | 惠州亿纬锂能股份有限公司 | Cathode material, preparation method thereof and application of cathode material in lithium ion battery |
| CN114920304A (en) * | 2016-04-29 | 2022-08-19 | 株式会社Lg 化学 | Composite transition metal oxide precursor, positive electrode active material, and method for producing same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI499580B (en) | 2013-10-15 | 2015-09-11 | Ind Tech Res Inst | Nimn composite oxalate powder, lithium transition metal oxide powder and lithium ion secondary battery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7393476B2 (en) * | 2001-11-22 | 2008-07-01 | Gs Yuasa Corporation | Positive electrode active material for lithium secondary cell and lithium secondary cell |
-
2005
- 2005-03-23 CN CNB2005100313543A patent/CN100362681C/en not_active Expired - Fee Related
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628869A (en) * | 2009-08-18 | 2010-01-20 | 沈阳张明化工有限公司 | Method for preparing cobalt octoate by using LiCoO, anode material of waste lithium battery |
| CN101628869B (en) * | 2009-08-18 | 2013-06-26 | 沈阳张明化工有限公司 | Method for preparing cobalt octoate by using LiCoO, anode material of waste lithium battery |
| WO2011075921A1 (en) * | 2009-12-27 | 2011-06-30 | 深圳市振华新材料股份有限公司 | High manganese polycrystalline anode material, preparation method thereof and dynamic lithium ion battery |
| CN102782912A (en) * | 2010-03-04 | 2012-11-14 | Jx日矿日石金属株式会社 | Positive electrode active material for lithium-ion batteries, positive electrode for lithium-ion batteries, and lithium-ion battery |
| CN102208607A (en) * | 2011-04-29 | 2011-10-05 | 广州市香港科大霍英东研究院 | Synthesis and surface modification method of lithium excessive laminar oxide anode material |
| CN102244259A (en) * | 2011-06-17 | 2011-11-16 | 中国科学院化学研究所 | Composite lithium-rich anode material, its preparation method and its application |
| CN102956881A (en) * | 2011-08-25 | 2013-03-06 | 深圳市钦雨新能源科技有限公司 | High-manganese solid solution as lithium ion battery anode material and preparation method thereof |
| CN102956881B (en) * | 2011-08-25 | 2015-11-04 | 深圳市钦雨新能源科技有限公司 | Anode material for lithium-ion batteries height manganese solid solution and preparation method thereof |
| CN102332578A (en) * | 2011-09-21 | 2012-01-25 | 广东达之邦新能源技术有限公司 | Anode material for lithium ion battery with high power capacity and manufacturing method thereof |
| CN102509784A (en) * | 2011-10-17 | 2012-06-20 | 北大先行科技产业有限公司 | Preparation method of lithium ion battery ternary cathode material |
| CN102509784B (en) * | 2011-10-17 | 2014-03-26 | 北大先行科技产业有限公司 | Preparation method of lithium ion battery ternary cathode material |
| CN102730761A (en) * | 2012-06-18 | 2012-10-17 | 中国第一汽车股份有限公司 | Oxalate coprecipitation preparation method for high-capacity lithium-rich cathode material |
| CN102738453A (en) * | 2012-07-11 | 2012-10-17 | 中国第一汽车股份有限公司 | High-tap-density lithium-enriched material prepared by using hydroxyl coprecipitation-fused salt method |
| CN102769137A (en) * | 2012-08-02 | 2012-11-07 | 厦门钨业股份有限公司 | Method for preparing liquid phase of spinel or layered-structure lithium ion battery anode material |
| CN103441252A (en) * | 2013-08-12 | 2013-12-11 | 天津巴莫科技股份有限公司 | Method for preparing lithium-enriched manganese-based anode material of nano-oxide-coated lithium ion battery |
| CN103441252B (en) * | 2013-08-12 | 2015-09-09 | 天津巴莫科技股份有限公司 | The preparation method of nano-oxide coated lithium ion battery lithium-rich manganese-based anode material |
| CN104868114A (en) * | 2015-04-06 | 2015-08-26 | 江苏菲思特新能源有限公司 | Preparation method of nickel-rich concentration gradient nickel-cobalt-manganese anode material with low acidity or alkalinity and high processability |
| CN104979548B (en) * | 2015-06-02 | 2018-09-04 | 中国东方电气集团有限公司 | A kind of preparation method of the oxalates precursor of lithium ion battery nickle cobalt lithium manganate positive electrode |
| CN105047906A (en) * | 2015-08-21 | 2015-11-11 | 湖南杉杉新材料有限公司 | Lithium-cobalt composite oxide cathode material and preparation method thereof |
| CN105047906B (en) * | 2015-08-21 | 2018-04-03 | 湖南杉杉能源科技股份有限公司 | Lithium cobalt positive polar material and preparation method thereof |
| CN105514360A (en) * | 2015-12-23 | 2016-04-20 | 乐陵胜利新能源有限责任公司 | Lithium-rich material Li1.87Mn0.94Ni0.19O3 as well as preparation method and application thereof |
| CN114920304A (en) * | 2016-04-29 | 2022-08-19 | 株式会社Lg 化学 | Composite transition metal oxide precursor, positive electrode active material, and method for producing same |
| CN106564967A (en) * | 2016-10-31 | 2017-04-19 | 安泰科技股份有限公司 | Lithium-rich manganese-based cathode material precursor, cathode material and preparation method thereof |
| CN106564967B (en) * | 2016-10-31 | 2018-06-05 | 安泰科技股份有限公司 | Lithium-rich manganese-based anode material presoma, positive electrode and preparation method thereof |
| CN109546146A (en) * | 2018-12-18 | 2019-03-29 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of rich lithium ternary electrode material and products thereof and application |
| CN110890535A (en) * | 2019-11-29 | 2020-03-17 | 惠州亿纬锂能股份有限公司 | Cathode material, preparation method thereof and application of cathode material in lithium ion battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100362681C (en) | 2008-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100362681C (en) | Lithium-nickel-cobalt-manganese-oxygen material for lithium ion battery positive electrode and preparation method thereof | |
| CN109980219B (en) | Full-gradient nickel-cobalt-manganese positive electrode material, ruthenium oxide coating material and preparation method thereof | |
| CN109273701B (en) | High-nickel core-shell structure gradient nickel-cobalt-manganese ternary cathode material and preparation method thereof | |
| CN103606671B (en) | A kind of positive electrode material of high-capacity dynamic-type nickel-rich lithium ion battery and preparation method thereof | |
| CN100346510C (en) | Surface modified positive pole material of lithium ion cell and preparation method thereof | |
| CN102110808B (en) | Method for preparing high-performance spherical lithium ion secondary battery cathode material | |
| CN103137960B (en) | Anode material for lithium-ion batteries and preparation method thereof and lithium ion battery | |
| CN102244236A (en) | Method for preparing lithium-enriched cathodic material of lithium ion battery | |
| CN101771145B (en) | Method for preparing multielement cathode materials for lithium ion batteries | |
| CN102956883B (en) | AnodePositive electrode material of lithium ion battery with porous laminated structure and preparation method thereof | |
| CN102005563A (en) | Preparation and surface coating method of high-voltage positive electrode material of lithium ion battery | |
| CN102437323A (en) | Anode material of lithium ion battery and preparation method thereof | |
| CN102623707A (en) | Cobalt-doped carbon-coated ferric fluoride anode material and preparation method thereof | |
| CN102569773B (en) | Anode material for lithium-ion secondary battery and preparation method thereof | |
| WO2019075910A1 (en) | Lithium-enriched layered oxide material having phase structure gradiently changing in proportion and preparation method therefor | |
| CN103474646B (en) | A kind of mesh structural porous lithium-rich manganese-based anode material for lithium-ion batteries and preparation method thereof | |
| CN107946564B (en) | Rich in Na4Mn2O5/Na0.7MnO2Composite material and preparation method and application thereof | |
| CN103178252B (en) | A kind of anode material for lithium-ion batteries and preparation method thereof | |
| CN103078099A (en) | Anode material for lithium ion cell and preparation method thereof | |
| CN105280898A (en) | Vanadium-doped lithium nickel cobalt manganese oxide nanometer material and preparation method and application thereof | |
| CN113611839A (en) | Novel mixed system lithium-rich manganese-based positive plate and preparation method thereof, and lithium ion battery | |
| CN110061225A (en) | A kind of monocrystalline high capacity nickel-cobalt lithium manganate cathode material and preparation method thereof | |
| CN110165208A (en) | A kind of preparation method of sodium-ion battery stratiform nickel-base anode material | |
| CN102832381A (en) | Preparation method of high-voltage cathode material Lil+xMn3/2-yNil/2-zMy+zO4 of lithium ion battery with long service life | |
| CN107069026A (en) | A kind of rich lithium manganese oxide anode material of effective stratiform for suppressing capacity/voltage attenuation in cyclic process and its preparation method and application |
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 |
Application publication date: 20060927 Assignee: Hunan Haina New Materials Co.,Ltd. Assignor: Central South University Contract record no.: 2014430000034 Denomination of invention: Lithium-nickel-cobalt-manganese-oxygen material for lithium ion battery positive electrode and preparation method thereof Granted publication date: 20080116 License type: Exclusive License Record date: 20140416 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080116 Termination date: 20170323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |