CN105958052A - Preparation method for metal-element-doped manganese-based positive electrode material for lithium ion battery - Google Patents
Preparation method for metal-element-doped manganese-based positive electrode material for lithium ion battery Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- 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 for a metal-element-doped manganese-based positive electrode material for a lithium ion battery. The preparation method comprises the following steps of weighing acetate of the corresponding metal elements according to the ratio of the amount of substance of manganese-based positive electrode material for the lithium ion battery to the doped metal elements, dissolving the acetate into a mixed solution of water and alcohol, and stirring; dissolving oxalic acid into a mixed solution of deionized water and alcohol; and rapidly pouring the acetate mixed solution into the oxalic acid mixed solution, stirring and evaporating to obtain an oxalate precursor; preheating the oxalate precursor at a temperature of 450 DEG C, then calcining the precursor at a temperature of 800-850 DEG C to obtain the metal-element-doped manganese-based positive electrode material for the lithium ion battery. The metal-element-doped manganese-based positive electrode material for the lithium ion battery prepared by the invention has the advantages of high discharge capacity, and simple and convenient preparation; the lithium ion battery prepared by the method has relatively high rate capability and cycling stability; and in addition, the preparation method is convenient to operate and capable of improving the production efficiency.
Description
Technical field
The invention belongs to anode material for lithium-ion batteries and prepare field, specifically a kind of doped with metal elements manganio lithium ion
The preparation method of cell positive material.
Background technology
Chemical energy source is the key link of current great new energy technology development, and lithium ion battery is owing to having running voltage
The advantage such as high, energy density big, have extended cycle life, security performance is good, pollution-free and be widely used and pay close attention to.In order to full
The sufficient large-scale application at aspects such as electric motor car, hybrid electric vehicle, sustainable energy storages, close to the energy of lithium ion battery
Degree, cycle performance and security performance are had higher requirement, and wherein positive electrode is to improve these aspects of lithium ion battery
One principal element of development.
Manganese-based anode material includes the ternary material LiNi of stratiformxCo1-x-yMnyO2, rich Li Mn-based material xLi2MnO3·
(1-x)LiNi1/3Mn1/3Co1/3O2, spinelle LiNi0.5Mn1.5O4And LiMn2O4Material.Li ion battery due to its correspondence
There is the highest energy and power density and low cost, high cycle performance, thus obtained close concern and research.But by
The metallic element especially Mn easy dissolution of ion depositing in negative terminal surface in Mn-based material, prevents the quick expansion of Li ion
Dissipate, and cause battery capacity attenuation in cyclic process very fast, prevent the further large-scale application of manganio electrode material.
In order to improve manganese-based anode material, conventional method is to utilize metallic element to be doped positive electrode, stable
Positive electrode lattice structure, reduces metal especially manganese stripping quantity, and then improves multiplying power and the cycle performance of battery.But generally enter
After row doping, the specific capacity of electrode material can decrease.
Summary of the invention
For the deficiencies in the prior art, the present invention proposes a kind of doped with metal elements manganio anode material for lithium-ion batteries
Preparation method, the method effectively improves low the asking of discharge capacity after the doping of existing Manganese Based Cathode Materials for Lithium Ion Batteries
Topic, and circulation and high rate performance can be significantly improved.
The purpose of the present invention can be achieved through the following technical solutions:
The preparation method of a kind of doped with metal elements manganio anode material for lithium-ion batteries, it is characterised in that utilize water-ethanol body
The coprecipitation method of system carries out the metallic element doping to manganio anode material for lithium-ion batteries, comprises the following steps:
(1) weigh corresponding in the ratio of the amount of material corresponding to manganio anode material for lithium-ion batteries and doped metallic elements ratio
The acetate of metallic element, be dissolved in the mixed solution of water and ethanol and being stirred, acetate total concentration is 0.05-
0.3mol/L, wherein the volume ratio of second alcohol and water is 0-24:1；
(2) being dissolved in by oxalic acid in the mixed solution of deionized water and ethanol, concentration of oxalic acid is 0.1-0.5 mol/L, second alcohol and water
Volume ratio be 0-24:1；
(3) the acetate mixed solution that step (1) obtains is quickly poured in the oxalic acid mixed solution that step (2) obtains, room temperature
Stirring, evaporation, obtain oxalate precursor；
(4) oxalate precursor is preheated under the conditions of 450 DEG C, then calcine under the conditions of 800-850 DEG C, obtain metallic element
Doped with manganese base lithium ion cell positive material.
Described step (1) manganio anode material for lithium-ion batteries includes the ternary material LiNi of stratiformxCo1-x-yMnyO2(x, y
Represent constituent content), stratiform richness Li material xLi2MnO3·(1-x)LiNi1/3Mn1/3Co1/3O2(), spinelle
LiNi0.5Mn1.5O4, spinelle LiMn2O4。
The doped metallic elements of described step (1) be in Fe, Ti, Cr, Al, Mg, Mo, Co, Ni, Zn, Cu, Zr, Ru extremely
Few one, doping way is manganio anode material for lithium-ion batteries metallic flat in addition to Li or dibit doping, described doping
Ratio a of element in the range of 0 ＜ a≤0.5m, the ratio of institute's doped chemical position during wherein m is Mn-based material.
Described step (4) preheating time is 8-10h, and calcination time is 15-20h, and heating rate is 2-4 DEG C/min.
Described step (3) mixing time is 6h, and evaporation conditions is: evaporate 10h under the conditions of 80 DEG C.
Beneficial effects of the present invention: the doped with metal elements manganio anode material for lithium-ion batteries that the present invention obtains has to be put
Capacitance is high and prepares simple and convenient advantage, and the inventive method is prepared lithium ion battery and had preferable high rate performance and stronger
Cyclical stability, facilitate operation, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is the Fe doping nickel ion doped material LiNi that in embodiment 1 prepared by conventional method and the inventive method0.5- xMn1.5-xFe2xO4(x=0.05) high rate performance comparison diagram.
Fig. 2 is the Fe doping nickel ion doped material LiNi that in embodiment 1 prepared by conventional method and the inventive method0.5- xMn1.5-xFe2xO4(x=0.05) cycle performance comparison diagram.
Fig. 3 is the Cu doping lithium-rich lithium ion cell positive that in embodiment 2, conventional method and this patent method synthesize
Material Li1.2Ni0.19Cu0.01Mn0.6O2High rate performance comparison diagram.
Fig. 4 is the Cu doping lithium-rich lithium ion cell positive that in embodiment 2, conventional method and this patent method synthesize
Material Li1.2Ni0.19Cu0.01Mn0.6O2Cycle performance comparison diagram.
Detailed description of the invention
Embodiment 1
Fe adulterates nickel ion doped material LiNi0.5-xMn1.5-xFe2xO4(x=0.05) preparation
1, by 0.268g LiCH3COO·2H2O、0.280g Ni(CH3COO)2·2H2O、0.888g Mn(CH3COO)2·
4H2O、0.0615g Fe(CH3COO)2·4H2O is dissolved in 10mL deionized water, adds 70mL ethanol and is stirred, obtains metal
Saline solution.
2, by the H of 0.78g2C2O4It is dissolved in 20mL deionized water, forms oxalic acid solution.
3, metal salt solution is quickly poured in oxalic acid solution stirring 6h, at 80 DEG C, evaporates 10h afterwards, obtain oxalates
Presoma precipitates.
4, according to 2 DEG C/min ramp, by pre-burning 8h under the conditions of oxalate precursor precipitation in atmosphere 450 DEG C, it
Afterwards by same heating rate to 800 DEG C of calcining 15h, i.e. obtain target product LiNi0.45Mn1.45Fe0.1O4。
Nickel ion doped material LiNi by prepared Fe doping0.5-xMn1.5-xFe2xO4And Solid phase synthesis (x=0.05)
The nickel ion doped material of Fe doping be assembled into 2016 type button cells and carry out electro-chemical test, Fig. 1, Fig. 2 are respectively two kinds of materials
The multiplying power of material and cycle performance contrast.Wherein Solid phase synthesis Fe doping nickel ion doped material different multiplying (0.2C,
0.5C, 1C, 2C, 5C) under discharge and recharge, corresponding specific discharge capacity is respectively 126.1,125.4,124.9,124.1,120.7
mAh/g.5C 250 weeks capability retentions of circulation are 89.1%.Embodiment 1 obtains Fe doping nickel ion doped material different multiplying
Discharge and recharge under (0.2C, 0.5C, 1C, 2C, 5C), corresponding specific discharge capacity is respectively 131.0,130.7,130.4,129.8,
128.6mAh/g.5C 250 weeks capability retentions of circulation are 95.3%.
Embodiment 2
Cu adulterates lithium-rich anode material for lithium-ion batteries Li1.2Ni0.19Cu0.01Mn0.6O2Preparation
1, by 0.402g LiCH3COO·2H2O、0.149g Ni(CH3COO)2·2H2O、0.460g Mn(CH3COO)2·
4H2O、0.050g Cu(CH3COO)2·4H2O is dissolved in 10mL deionized water, adds 40mL ethanol and is stirred, obtains metal
Saline solution.
2, by the H of 0.57g2C2O4It is dissolved in 10mL deionized water and 40ml ethanol, forms oxalic acid solution.
3, metal salt solution is quickly poured in oxalic acid solution stirring 6h, at 80 DEG C, evaporates 10h afterwards, obtain oxalates
Presoma precipitates.
4, according to 3 DEG C/min ramp, by oxalate precursor precipitation 450 DEG C of pre-burning 8h in atmosphere, afterwards by same
The heating rate of sample is warming up to 820 DEG C of calcining 18h, i.e. obtains target product Li1.2Ni0.19Cu0.01Mn0.6O2。
Lithium-rich material Li by prepared Cu doping1.2Ni0.19Cu0.01Mn0.6O2With conventional Co deposited synthesis
The lithium-rich material of Cu doping be assembled into 2016 type button cells and carry out electro-chemical test, Fig. 3, Fig. 4 are respectively two kinds of materials
The multiplying power of material and cycle performance contrast.The lithium-rich material different multiplying of the Cu doping of the conventional Co deposited synthesis of result display
Discharge and recharge under (0.1C, 0.2C, 0.5C, 1C), corresponding specific discharge capacity is respectively 241.1,230.2,214.6,216.8,
202.5 mAh/g.1C 100 weeks capability retentions of circulation are 81%.The Cu doping richness of the method synthesis that the embodiment of the present invention 2 provides
Discharge and recharge under lithium stratified material different multiplying (0.1C, 0.2C, 0.5C, 1C), corresponding specific discharge capacity is respectively 262.3,
254.4、241.3、233.4 mAh/g.1C 100 weeks capability retentions of circulation are 86%.
Embodiment 3
Mg adulterates nickel ion doped material LiNi0.5-xMn1.5-xMg2xO4(x=0.05) preparation
1, by 0.268g LiCH3COO·2H2O、0.249g Ni(CH3COO)2·2H2O、0.919g Mn(CH3COO)2·
4H2O、0.0536g Mg(CH3COO)2·4H2O is dissolved in 10mL deionized water, adds 70mL ethanol and is stirred, obtains gold
Belong to saline solution.
2, by the H of 0.78g2C2O4It is dissolved in 20mL deionized water, forms oxalic acid solution.
3, metal salt solution is quickly poured in oxalic acid solution stirring 6h, at 80 DEG C, evaporates 10h afterwards, obtain oxalates
Presoma precipitates.
4, according to 2 DEG C/min ramp, by oxalate precursor precipitation 450 DEG C of pre-burning 8h in atmosphere, afterwards by same
The heating rate of sample, to 850 DEG C of calcining 15h, i.e. obtains target product LiNi0.4Mn1.5Mg0.1O4。
Nickel ion doped material LiNi by prepared Mg doping0.4Mn1.5Mg0.1O4It is assembled into 2016 type button cells to enter
Row electro-chemical test, discharge and recharge under result display Mg doping nickel ion doped material different multiplying (0.2C, 0.5C, 1C, 2C, 5C),
Corresponding specific discharge capacity is respectively 129.1,128.7,128.1,127.6,126.3 mAh/g, 5C and circulates capacity holding in 250 weeks
Rate is 93%.
Embodiment 4
Zr adulterates ternary material LiNi1/3Co1/3Mn1/3-xZrxO2(x=0.005) preparation
1, by 0.536g LiCH3COO·2H2O、0.415g Ni(CH3COO)2·2H2O、0.388g Mn(CH3COO)2·
4H2O、0.415g Co(CH3COO)2·4H2O、0.0164g Zr(CH3COO)4It is dissolved in 10mL deionized water, adds 40mL
Ethanol is stirred, and obtains metal salt solution.
2, by the H of 0.78g2C2O4It is dissolved in the mixed solution of 10mL deionized water and 40ml ethanol, obtains oxalic acid solution.
3, metal salt solution is quickly poured in oxalic acid solution stirring 6h, at 80 DEG C, evaporates 10h afterwards, obtain oxalates
Presoma precipitates.
4, according to 4 DEG C/min ramp, by oxalate precursor precipitation 450 DEG C of pre-burning 8h in atmosphere, afterwards by same
The heating rate of sample, to 850 DEG C of calcining 20h, i.e. obtains target product LiNi1/3Co1/3Mn1/3-xZrxO2(x=0.005)。
Ternary material LiNi by prepared Zr doping1/3Co1/3Mn1/3-xZrxO2(x=0.005) 2016 types that are assembled into are buckled
Formula battery carries out electro-chemical test, the Zr doping ternary material charge and discharge under different multiplying (0.2C, 0.5C, 1C, 2C, 5C) obtained
Electricity, corresponding specific discharge capacity is respectively 158.2,151.7,143.5,138.4,126.0 mAh/g.5C circulates 200 weeks capacity
Conservation rate 93%.
Embodiment 5
Cr, Co codope nickel ion doped material LiNi0.45Mn1.45Co0.05Cr0.05O4Preparation
1, by 0.268g LiCH3COO·2H2O、0.280g Ni(CH3COO)2·2H2O、0.888g Mn(CH3COO)2·
4H2O、0.031g Co(CH3COO)2·4H2O、0.029g Cr(CH3COO)3It is dissolved in 10mL deionized water, adds 70mL second
Alcohol is stirred, and obtains metal salt solution.
2, by the H of 0.78g2C2O4It is dissolved in 20mL deionized water, obtains oxalic acid solution.
3, metal salt solution is quickly poured in oxalic acid solution stirring 6h, at 80 DEG C, evaporates 10h afterwards, obtain oxalates
Presoma precipitates.
4, according to 3 DEG C/min ramp, by oxalate precursor precipitation 450 DEG C of pre-burning 8h in atmosphere, afterwards by same
The heating rate of sample, to 800 DEG C of calcining 20h, i.e. obtains target product LiNi0.45Mn1.45Co0.05Cr0.05O4。
By the nickel ion doped material LiNi of prepared Co, Cr codope0.45Mn1.45Co0.05Cr0.05O4It is assembled into 2016 types
Button cell carries out electro-chemical test, result display Co, Cr codope nickel ion doped material different multiplying (0.2C, 0.5C, 1C,
2C, 5C) under discharge and recharge, corresponding specific discharge capacity is respectively 128.2,127.9.7,127.6,126.9,126.0 mAh/g.5C
Circulating 250 weeks capability retentions is 96%.
Embodiment 6
The lithium manganate material LiZn of Zn doping0.5Mn1.5O4Preparation
1, by 0.268g LiCH3COO·2H2O、0.229g Zn(CH3COO)2、0.919g Mn(CH3COO)2·4H2O, it is dissolved in
In 10mL deionized water, add 40mL ethanol and be stirred, obtain metal salt solution.
2, by the H of 0.796g2C2O4It is dissolved in the mixed solution of 10mL deionized water and 40ml ethanol, obtains oxalic acid solution.
3, metal salt solution is quickly poured in oxalic acid solution stirring 6h, at 80 DEG C, evaporates 10h afterwards, obtain oxalates
Presoma precipitates.
4, according to 2 DEG C/min ramp, by oxalate precursor precipitation 450 DEG C of pre-burning 5h in atmosphere, afterwards by same
The heating rate of sample, to 800 DEG C of calcining 15h, i.e. obtains target product LiZn0.5Mn1.5O4。
Lithium manganate material LiZn by prepared Zn doping0.5Mn1.5O4It is assembled into 2016 type button cells and carries out electrification
Learning test, discharge and recharge under result display Zn adulterated lithium manganate material different multiplying (0.2C, 0.5C, 1C, 2C, 5C), corresponding puts
Electricity specific capacity is respectively 132.4,132.1,131.5,130.3,129.1 mAh/g.5C 200 weeks capability retentions of circulation are 94%.
Above content is only to present configuration example and explanation, affiliated those skilled in the art couple
Described specific embodiment makes various amendment or supplements or use similar mode to substitute, without departing from invention
Structure or surmount scope defined in the claims, all should belong to protection scope of the present invention.
Claims (5)
1. the preparation method of a doped with metal elements manganio anode material for lithium-ion batteries, it is characterised in that utilize water-ethanol
The coprecipitation method of system carries out the metallic element doping to manganio anode material for lithium-ion batteries, comprises the following steps:
(1) weigh corresponding in the ratio of the amount of material corresponding to manganio anode material for lithium-ion batteries and doped metallic elements ratio
The acetate of metallic element, be dissolved in the mixed solution of water and ethanol and being stirred, acetate total concentration is 0.05-
0.3mol/L, wherein the volume ratio of second alcohol and water is 0-24:1；
(2) being dissolved in by oxalic acid in the mixed solution of deionized water and ethanol, concentration of oxalic acid is 0.1-0.5 mol/L, second alcohol and water
Volume ratio be 0-24:1；
(3) the acetate mixed solution that step (1) obtains is quickly poured in the oxalic acid mixed solution that step (2) obtains, room temperature
Stirring, evaporation, obtain oxalate precursor；
(4) oxalate precursor is preheated under the conditions of 450 DEG C, then calcine under the conditions of 800-850 DEG C, obtain metallic element
Doped with manganese base lithium ion cell positive material.
The preparation method of doped with metal elements manganio anode material for lithium-ion batteries the most according to claim 1, its feature
Being, described step (1) manganio anode material for lithium-ion batteries includes the ternary material LiNi of stratiformxCo1-x-yMnyO2(x, y table
Show constituent content), stratiform richness Li material xLi2MnO3·(1-x)LiNi1/3Mn1/3Co1/3O2(), spinelle LiNi0.5Mn1.5O4、
Spinelle LiMn2O4。
The preparation method of doped with metal elements manganio anode material for lithium-ion batteries the most according to claim 1, its feature
It is: the doped metallic elements of described step (1) is at least in Fe, Ti, Cr, Al, Mg, Mo, Co, Ni, Zn, Cu, Zr, Ru
Kind, doping way is manganio anode material for lithium-ion batteries metallic flat in addition to Li or dibit doping, described doped chemical
Ratio a in the range of 0 ＜ a≤0.5m, the ratio of institute's doped chemical position during wherein m is Mn-based material.
The preparation method of doped with metal elements manganio anode material for lithium-ion batteries the most according to claim 1, its feature
Being, described step (4) preheating time is 8-10h, and calcination time is 15-20h, and heating rate is 2-4 DEG C/min.
The preparation method of doped with metal elements manganio anode material for lithium-ion batteries the most according to claim 1, its feature
Being, described step (3) mixing time is 6h, and evaporation conditions is: evaporate 10h under the conditions of 80 DEG C.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106711439A (en) * | 2017-01-08 | 2017-05-24 | 合肥国轩高科动力能源有限公司 | Preparation method of Mg and Ti composite doped lithium-rich manganese based positive electrode material |
| CN107204426A (en) * | 2017-06-09 | 2017-09-26 | 合肥工业大学 | A kind of cobalt nickel oxide manganses lithium/titanate composite anode material for lithium of zirconium doping vario-property |
| CN108023081A (en) * | 2017-12-01 | 2018-05-11 | 洛阳师范学院 | A kind of preparation method of the nickel lithium manganate cathode material of Al doping vario-properties |
| CN109585792A (en) * | 2017-09-28 | 2019-04-05 | 江苏津谊新能源科技有限公司 | A kind of preparation of anode material for lithium-ion batteries and its method of modifying |
| CN109935798A (en) * | 2017-12-19 | 2019-06-25 | 宁波高新区锦众信息科技有限公司 | A kind of preparation method of lithium ion battery nickel manganese lithium composite material |
| CN110335995A (en) * | 2019-05-20 | 2019-10-15 | 大连理工大学 | A kind of doping Al3+The preparation method of regular octahedron pattern nickel ion doped material |
| CN111180724A (en) * | 2020-02-26 | 2020-05-19 | 黄冈林立新能源科技有限公司 | Preparation method of ternary single crystal cathode material |
| CN113148969A (en) * | 2021-04-08 | 2021-07-23 | 江苏力泰锂能科技有限公司 | Doped lithium iron manganese phosphate-carbon composite material and preparation method thereof |
| CN113809308A (en) * | 2021-09-18 | 2021-12-17 | 南京师范大学 | P3 type manganese cobalt potassium nickelate material and preparation method and application thereof |
| CN114497527A (en) * | 2021-12-20 | 2022-05-13 | 江门市科恒实业股份有限公司 | Lithium-rich manganese-based positive electrode material, preparation method thereof and lithium ion battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583583A (en) * | 2012-03-12 | 2012-07-18 | 中国科学院福建物质结构研究所 | Cathode material of manganese, cobalt and lithium oxidate for lithium ion battery and preparation method of cathode material |
| CN104201373A (en) * | 2014-08-22 | 2014-12-10 | 东莞市迈科科技有限公司 | Lithium-rich anode material and preparation method thereof |
| CN104201328A (en) * | 2014-08-22 | 2014-12-10 | 东莞市迈科科技有限公司 | High-capacity lithium anode material and preparation method thereof |
-
2016
- 2016-05-29 CN CN201610361148.7A patent/CN105958052A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583583A (en) * | 2012-03-12 | 2012-07-18 | 中国科学院福建物质结构研究所 | Cathode material of manganese, cobalt and lithium oxidate for lithium ion battery and preparation method of cathode material |
| CN104201373A (en) * | 2014-08-22 | 2014-12-10 | 东莞市迈科科技有限公司 | Lithium-rich anode material and preparation method thereof |
| CN104201328A (en) * | 2014-08-22 | 2014-12-10 | 东莞市迈科科技有限公司 | High-capacity lithium anode material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| GUO MA等: "A General and Mild Approach to Controllable Preparation of Manganese-Based Micro- and Nanostructured Bars for High Performance Lithium-Ion Batteries", 《ANGEWANDTE CHEMIE》 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106711439A (en) * | 2017-01-08 | 2017-05-24 | 合肥国轩高科动力能源有限公司 | Preparation method of Mg and Ti composite doped lithium-rich manganese based positive electrode material |
| CN106711439B (en) * | 2017-01-08 | 2019-09-10 | 合肥国轩高科动力能源有限公司 | A kind of preparation method of the composite mixed lithium-rich manganese-based anode material of Mg, Ti |
| CN107204426A (en) * | 2017-06-09 | 2017-09-26 | 合肥工业大学 | A kind of cobalt nickel oxide manganses lithium/titanate composite anode material for lithium of zirconium doping vario-property |
| CN109585792A (en) * | 2017-09-28 | 2019-04-05 | 江苏津谊新能源科技有限公司 | A kind of preparation of anode material for lithium-ion batteries and its method of modifying |
| CN108023081A (en) * | 2017-12-01 | 2018-05-11 | 洛阳师范学院 | A kind of preparation method of the nickel lithium manganate cathode material of Al doping vario-properties |
| CN109935798A (en) * | 2017-12-19 | 2019-06-25 | 宁波高新区锦众信息科技有限公司 | A kind of preparation method of lithium ion battery nickel manganese lithium composite material |
| CN110335995A (en) * | 2019-05-20 | 2019-10-15 | 大连理工大学 | A kind of doping Al3+The preparation method of regular octahedron pattern nickel ion doped material |
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Application publication date: 20160921 |