CN103515592A - Method for preparing anode material for lithium ion batteries - Google Patents

Method for preparing anode material for lithium ion batteries Download PDF

Info

Publication number
CN103515592A
CN103515592A CN201310468639.8A CN201310468639A CN103515592A CN 103515592 A CN103515592 A CN 103515592A CN 201310468639 A CN201310468639 A CN 201310468639A CN 103515592 A CN103515592 A CN 103515592A
Authority
CN
China
Prior art keywords
manganese
lithium
cobalt
nickel
acetate
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
Application number
CN201310468639.8A
Other languages
Chinese (zh)
Inventor
单忠强
杜江勇
田建华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin University
Original Assignee
Tianjin University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin University filed Critical Tianjin University
Priority to CN201310468639.8A priority Critical patent/CN103515592A/en
Publication of CN103515592A publication Critical patent/CN103515592A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

The invention discloses a method for preparing an anode material for lithium ion batteries. The method comprises the following steps: dissolving manganese, nickel and cobalt in water according to the mole ratio of manganese to nickel to cobalt being 1:(0-0.35):(0-0.35), adding molybdenum salt for co-dissolution via the mole ratio of molybdenum salt to total amount of manganese, nickel and cobalt elements being (0.01-0.20):1, allowing metal ions to be precipitated, adjusting pH to over 8, filtering, settling, oven-drying, adding a lithium source via the mole ratio of total amount of the manganese, nickel and cobalt elements to lithium element being 1:(1.2-1.68), mixing, calcining for 10 h at the temperature of 400-600 DEG C, and then calcining for 1-10 h at the temperature of 800-950 DEG C. The discharge capacity of a button cell CR2032 which is assembled with the anode material disclosed by the invention reaches 300 mAh/g in the case of charge/discharge at the voltage of 2-4.8 V and a current density of 20 mA/g, the charge/discharge capacity reaches more than 240 mAh/g at a current density of 200 mA/g, and the capacity retention rate is more than 85% in the case of 100-time charge/discharge cycles at a current density of 200 mA/g.

Description

A kind of preparation method of anode material for lithium-ion batteries
Technical field
The invention relates to lithium ion battery, particularly a kind of high power capacity, high performance lithium ion anode material.
Background technology
Along with economical and social development, people are also more and more higher to the quality requirement of living environment, and the energy of traditional contaminated environment such as petroleum replacing is a development trend of the times.Electric energy clean and safe, convenient transportation, storing is at present a maximum difficult problem.In recent years, lithium ion battery development is swift and violent, has many merits.But because capacity and the energy of lithium ion battery itself are not high, so they can only be applied in the compact electric apparatus such as mobile phone, notebook computer and digital camera, cannot meet the requirement of the large-scale electrical appliance of electric motor car.Its technical bottleneck is exactly positive electrode, and the capacity of positive electrode is not high, causes the capacity of whole battery, energy not high.
At present, polynary lithium-rich anode material mainly be take Mn, Ni, Co composite material as main, and these materials are more than under 0.1C multiplying power, specific discharge capacity can reach 200mAh/g, and rate charge-discharge performance is good, and the life-span reaches more than 1000 times, is suitable as electrokinetic cell.
Summary of the invention
Object of the present invention, it is the chemical property that improves prior art, especially volumetric properties, provides that a kind of specific capacity is up to 300mAh/g under current density 20mA/g, and under current density 200mA/g, specific capacity reaches the positive electrode of lithium ion battery more than 200mAh/g.
The present invention is achieved by following technical solution.
A preparation method for anode material for lithium-ion batteries, step is as follows:
(1) by manganese acetate, manganese nitrate, manganese sulfate, manganese phosphate a kind of and nickel acetate wherein, nickel nitrate, nickelous sulfate, nickel phosphate a kind of and cobalt acetate wherein, cobalt nitrate, cobaltous sulfate, wherein a kind of of cobalt phosphate, according to mol ratio 1:0～0.35:0～0.35 of three kinds of elements of manganese nickel cobalt, be dissolved in the water of 5～10 times of mole multiples, add again the molybdenum salt that the mol ratio with three kinds of element total amounts of manganese nickel cobalt is 0.01～0.20:1 to dissolve altogether, stir and add ammoniacal liquor, NaOH, potassium hydroxide, ammonium carbonate or sodium carbonate, various precipitation by metallic ion are got off, with ammonia spirit, pH is adjusted to more than 8 again, refilter precipitation, will precipitate oven dry,
(2) or separately a kind of mol ratio 1:0～0.35:0～0.35 by three kinds of elements of manganese nickel cobalt of a kind of and cobalt acetate in a kind of and nickel acetate wherein of a manganese acetate, manganese nitrate, manganese sulfate, manganese phosphate, nickel nitrate, nickelous sulfate, nickel phosphate, cobalt nitrate, cobaltous sulfate, cobalt phosphate is dissolved in the water of 5～10 times of mole multiples, stir and add ammoniacal liquor, NaOH, potassium hydroxide, ammonium carbonate, sodium carbonate etc., various precipitation by metallic ion are got off, then be adjusted to more than 8 with ammonia spirit pH; Refilter precipitation, will precipitate oven dry, and then add metal molybdenum powder, molybdenum dioxide or molybdenum trioxide mechanical mixture, addition is 0.01～0.20:1;
(3) step (1) is made to sediment or mixture that step (2) is made adds lithium carbonate or lithium hydroxide as lithium source in the ratio of manganese nickel cobalt element summation and elemental lithium mol ratio 1:1.2～1.68, mechanical mixture, then at 400～600 ℃, calcine 10h, at 800～950 ℃, calcine 1～10h again, make anode material for lithium-ion batteries.
The molybdenum salt of described step (1) is molybdic acid, sodium molybdate, ammonium molybdate, phosphomolybdic acid, molybdenum sulfide or molybdenum chloride.
Beneficial effect of the present invention:
Add after molybdenum modification ternary lithium-rich anode material, improved its capacity and chemical property.By burned positive electrode and PVDF(Kynoar) and acetylene black even by weight 8:1:1 mixer mill after, add NMP(nitrogen methyl pyrrolidone) furnishing pulpous state, be coated on collector, dry, produce positive plate.With lithium metal, as to electrode, PP/PE/PP (celgard2000) is as barrier film, and electrolyte is to be dissolved in EC/DMC(ethylene carbonate/dimethyl carbonate that volume fraction is 1:1) LiPF of mixed solvent 6(lithium hexafluoro phosphate) solution, its concentration is that 1mol/L is assembled into CR2032 button cell.At 2～4.8V, under current density 20mA/g, discharge and recharge, discharge capacity can reach 300mAh/g.More than the capacity discharging and recharging under current density 200mA/g reaches 240mAh/g.Under current density 200mA/g, charge and discharge cycles is 100 times, and capability retention is more than 85%.
Accompanying drawing explanation
Fig. 1 is the cycle life figure of the embodiment of the present invention 1 positive electrode;
Fig. 2 is that the EDS of the embodiment of the present invention 7 positive electrodes can spectrogram.
Specific embodiment party
The present invention adopts raw material to be commercially available chemically pure reagent, and below by specific embodiment, the invention will be further described.
Embodiment 1
(1) manganese acetate, nickel acetate, cobalt acetate are dissolved into according to the mol ratio 1:0.25:0.25 of three kinds of elements of manganese nickel cobalt in the water of 8 times of mole summation of these three kinds of elements, add again the phosphomolybdic acid that the mol ratio with three kinds of element total amounts of manganese nickel cobalt is 0.05:1 to dissolve altogether, oil bath is heated to 50 ℃, stirring adds ammoniacal liquor, until precipitate completely, more than pH to 8, solution is alkalescence.Centrifugation in the centrifuge that is 10000r/min at rotating speed, removes supernatant, precipitation water is cleaned to be placed in 120 ℃ of baking ovens and dry;
(2) by the sediment after step (1) oven dry, by manganese nickel cobalt element summation and elemental lithium mol ratio 1:1.5, add lithium carbonate as lithium source, mechanical mixture; Then in 400 ℃ calcining 10h, then in 900 ℃ calcining 3h, make anode material for lithium-ion batteries.
Fig. 1 is the cycle life figure of embodiment 1 positive electrode, and as can be seen from Figure, the positive electrode of embodiment 1 is under current density 200mA/g, more than specific discharge capacity still can reach 200mAh/g, after circulation 100 circles, capability retention reaches more than 85%, and cycle performance is better.
Embodiment 2
(1) manganese acetate, nickel acetate, cobalt acetate are dissolved into according to the mol ratio 1:0.35:0.25 of three kinds of elements of manganese nickel cobalt in the water of 8 times of mole summation of these three kinds of elements soluble in water, add again the ammonium molybdate that the mol ratio with three kinds of element total amounts of manganese nickel cobalt is 0.075:1 to dissolve altogether, oil bath is heated to 50 ℃, stirring adds NaOH solution, until precipitate completely, pH value reaches more than 8, and solution is alkalescence.Centrifugation in the centrifuge that is 10000r/min at rotating speed, removes supernatant, and precipitation washes with water to be placed in 120 ℃ of baking ovens dries;
(2) by the sediment after step (1) oven dry, by manganese nickel cobalt element summation and elemental lithium mol ratio 1:1.35, add lithium carbonate as lithium source, mechanical mixture; Then at 400 ℃, calcine 10h, then calcine 3h at 900 ℃, make anode material for lithium-ion batteries.
Embodiment 3
(1) manganese acetate, nickel acetate, cobalt acetate are dissolved into according to the mol ratio 1:0.2:0.3 of three kinds of elements of manganese nickel cobalt in the water of 8 times of mole summation of these three kinds of elements soluble in water, add again the sodium molybdate that the mol ratio with three kinds of element total amounts of manganese nickel cobalt is 0.10:1 to dissolve altogether, oil bath is heated to 50 ℃, stirring adds NaOH solution, until precipitate completely, pH value reaches more than 10, and solution is alkalescence.Centrifugation in the centrifuge that is 10000r/min at rotating speed, removes supernatant, and precipitation washes with water to be placed in 120 ℃ of baking ovens dries;
(2) by the sediment after step (1) oven dry, by manganese nickel cobalt element summation and elemental lithium mol ratio 1:1.3, add lithium hydroxide as lithium source, mechanical mixture; Then at 400 ℃, calcine 10h, then calcine 3h at 900 ℃, make anode material for lithium-ion batteries.
Embodiment 4
(1) manganese acetate, nickel acetate, cobalt acetate are dissolved into according to the mol ratio 1:0.35:0.22 of three kinds of elements of manganese nickel cobalt in the water of 8 times of mole summation of these three kinds of elements soluble in water, add again the molybdenum chloride that the mol ratio with three kinds of element total amounts of manganese nickel cobalt is 0.08:1 to dissolve altogether, oil bath is heated to 50 ℃, stirs and adds Na 2cO 3solution, until precipitate completely, pH value reaches more than 8, solution is alkalescence.Centrifugation in the centrifuge that is 10000r/min at rotating speed, removes supernatant, and precipitation washes with water to be placed in 120 ℃ of baking ovens dries;
(2) sediment after step (1) is dried, by manganese nickel cobalt element summation and elemental lithium mol ratio 1:1.6 add or lithium hydroxide as lithium source, mechanical mixture; Then at 400 ℃, calcine 10h, then calcine 3h at 900 ℃, make anode material for lithium-ion batteries.
Embodiment 5
(1) by manganese acetate, nickel acetate, cobalt acetate according to the mol ratio 1:0.35:0.3 solution of three kinds of elements of manganese nickel cobalt to soluble in water in the water of 8 times of mole summation of these three kinds of elements, add again the molybdic acid that the mol ratio with three kinds of element total amounts of manganese nickel cobalt is 0.075:1 to dissolve altogether, oil bath is heated to 50 ℃, stirring adds NaOH solution, until precipitate completely, pH value reaches more than 8, and solution is alkalescence.Centrifugation in the centrifuge that is 10000r/min at rotating speed, removes supernatant, and precipitation washes with water to be placed in 120 ℃ of baking ovens dries;
(2) by the sediment after step (1) oven dry, by manganese nickel cobalt element summation and elemental lithium mol ratio 1:1.4, add hydrocarbon lithia as lithium source, mechanical mixture; Then at 400 ℃, calcine 10h, then calcine 3h at 900 ℃, make anode material for lithium-ion batteries.
Embodiment 6
(1) manganese acetate, nickel acetate, cobalt acetate are dissolved into according to the mol ratio 1:0.3:0.1 of three kinds of elements of manganese nickel cobalt in the water of 8 times of mole summation of these three kinds of elements soluble in water, add again the molybdenum sulfide that the mol ratio with three kinds of element total amounts of manganese nickel cobalt is 0.05:1 to dissolve altogether, oil bath is heated to 50 ℃, stirring adds NaOH solution, until precipitate completely, pH value reaches more than 8, and solution is alkalescence.Centrifugation in the centrifuge that is 10000r/min at rotating speed, removes supernatant, and precipitation washes with water to be placed in 120 ℃ of baking ovens dries;
(2) by the sediment after step (1) oven dry, by manganese nickel cobalt element summation and elemental lithium mol ratio 1:1.5, add lithium carbonate as lithium source, mechanical mixture; Then at 400 ℃, calcine 10h, then calcine 3h at 900 ℃, make anode material for lithium-ion batteries.
Embodiment 7
(1) manganese acetate, nickel acetate, cobalt acetate are dissolved into according to the mol ratio 1:0.3:0.25 of three kinds of elements of manganese nickel cobalt in the water of 8 times of mole summation of these three kinds of elements soluble in water, oil bath is heated to 50 ℃, stirring adds NaOH solution, until precipitate completely, pH value reaches more than 8, and solution is alkalescence.Centrifugation in the centrifuge that is 10000r/min at rotating speed, removes supernatant, and precipitation washes with water to be placed in 120 ℃ of baking ovens dries, and adds the molybdenum powder of 0.05:1 by the mol ratio with manganese nickel cobalt element sum total amount.
(2) by the mixture after step (1) oven dry, by manganese nickel cobalt element summation and elemental lithium mol ratio 1:1.45, add lithium carbonate as lithium source, mechanical mixture; Then at 400 ℃, calcine 10h, then calcine 3h at 900 ℃, make anode material for lithium-ion batteries.
Fig. 2 is the EDS energy spectrogram of embodiment 7 positive electrodes, and as can be seen from Figure, molybdenum element can all not distil in the process of heating and calcining, still has a considerable amount of molybdenum elements to exist in the positive electrode of preparing.
Embodiment 8
(1) manganese acetate, nickel acetate, cobalt acetate are dissolved into according to the mol ratio 1:0.3:0.3 of three kinds of elements of manganese nickel cobalt in the water of 8 times of mole summation of these three kinds of elements soluble in water, oil bath is heated to 50 ℃, stirring adds NaOH solution, until precipitate completely, pH value reaches more than 8, and solution is alkalescence.Centrifugation in the centrifuge that is 10000r/min at rotating speed, removes supernatant, and precipitation washes with water to be placed in 120 ℃ of baking ovens dries, and adds the molybdenum dioxide of 0.1:1 by the mol ratio with manganese nickel cobalt element sum total amount.
(2) by the mixture after step (1) oven dry, by manganese nickel cobalt element summation and elemental lithium mol ratio 1:1.35, add lithium carbonate as lithium source, mechanical mixture; Then at 400 ℃, calcine 10h, then calcine 3h at 900 ℃, make anode material for lithium-ion batteries.
Embodiment 9
(1) manganese acetate, nickel acetate, cobalt acetate are dissolved into according to the mol ratio 1:0.35:0.25 of three kinds of elements of manganese nickel cobalt in the water of 8 times of mole summation of these three kinds of elements soluble in water, oil bath is heated to 50 ℃, stirring adds sal volatile, until precipitate completely, pH value reaches more than 8, and solution is alkalescence.Centrifugation in the centrifuge that is 10000r/min at rotating speed, removes supernatant, and precipitation washes with water to be placed in 120 ℃ of baking ovens dries, and adds the molybdenum dioxide of 0.05:1 by the mol ratio with manganese nickel cobalt element sum total amount.
(2) by the mixture after step (1) oven dry, by manganese nickel cobalt element summation and elemental lithium mol ratio 1:1.45, add lithium carbonate as lithium source, mechanical mixture; Then at 400 ℃, calcine 10h, then calcine 3h at 900 ℃, make anode material for lithium-ion batteries.
Comparative example
(1) manganese acetate, nickel acetate, cobalt acetate are dissolved into according to the mol ratio 1:0.25:0.25 of three kinds of elements of manganese nickel cobalt in the water of 8 times of mole summation of these three kinds of elements soluble in water, oil bath is heated to 50 ℃, stirring adds NaOH solution, until precipitate completely, pH value reaches more than 8, and solution is alkalescence.Centrifugation in the centrifuge that is 10000r/min at rotating speed, removes supernatant, and precipitation washes with water to be placed in 120 ℃ of baking ovens dries, and adds the molybdenum powder of 0.05:1 by the mol ratio with manganese nickel cobalt element sum total amount.
(2) by the mixture after step (1) oven dry, by manganese nickel cobalt element summation and elemental lithium mol ratio 1:1.45, add lithium carbonate (or lithium hydroxide) as lithium source, mechanical mixture; Then at 400 ℃, calcine 10h, then calcine 3h at 900 ℃, make anode material for lithium-ion batteries.
Above-described embodiment is assembled into lithium battery with lithium metal after making positive electrode, and carries out performance test.
The assembling of lithium battery is to carry out in being full of the glove box of high-purity argon gas, and with lithium metal, as to electrode, PP/PE/PP (celgard2000) is as barrier film, and electrolyte is to be dissolved in the LiPF that volume fraction is the EC/DMC mixed solvent of 1:1 6solution, its concentration is that 1mol/L is assembled into CR2032 button cell.The lithium battery of assembling is at room temperature carried out to charge-discharge test after static a period of time, test voltage scope is 2～4.8V, and tester is the CT2001 type LAND battery test system that Wuhan Jin Nuo Electronics Co., Ltd. produces.For example the test result of embodiment 7 is: at current density 20mAg -1under, the lithium battery first discharge specific capacity that the positive electrode of modification is assembled into is 303mAh/g.Under current density 200mAg-1, the lithium battery first discharge specific capacity that the positive electrode of modification is assembled into is 245mAh/g.After 60 circulations, capacity still can reach 219.7mAh/g, and after 100 circulations, specific capacity still can reach 210.3mAh/g, and in whole charge and discharge process, efficiency all remains on more than 90%.
In order to contrast the effect of modification rear electrode material, unmodified positive electrode is also assembled into battery by same mode, and tests by same method of testing, at current density 20mAg -1, 200mAg -1under, in the charge and discharge process of each embodiment, specific capacity test result refers to table 1.
Table 1
Figure BDA0000391556390000051
By finding out in table 1, the specific capacity of the positive electrode after the modification that each embodiment obtains all will be higher than unmodified specific capacity, and provable thus, the present invention has improved the specific capacity of positive electrode effectively.

Claims (2)

1. a preparation method for anode material for lithium-ion batteries, step is as follows:
(1) by manganese acetate, manganese nitrate, manganese sulfate, manganese phosphate a kind of and nickel acetate wherein, nickel nitrate, nickelous sulfate, nickel phosphate a kind of and cobalt acetate wherein, cobalt nitrate, cobaltous sulfate, wherein a kind of of cobalt phosphate, according to mol ratio 1:0～0.35:0～0.35 of three kinds of elements of manganese nickel cobalt, be dissolved in the water of 5～10 times of mole multiples, add again the molybdenum salt that the mol ratio with three kinds of element total amounts of manganese nickel cobalt is 0.01～0.20:1 to dissolve altogether, stir and add ammoniacal liquor, NaOH, potassium hydroxide, ammonium carbonate or sodium carbonate, various precipitation by metallic ion are got off, with ammonia spirit, pH is adjusted to more than 8 again, refilter precipitation, will precipitate oven dry,
(2) or separately a kind of mol ratio 1:0～0.35:0～0.35 by three kinds of elements of manganese nickel cobalt of a kind of and cobalt acetate in a kind of and nickel acetate wherein of a manganese acetate, manganese nitrate, manganese sulfate, manganese phosphate, nickel nitrate, nickelous sulfate, nickel phosphate, cobalt nitrate, cobaltous sulfate, cobalt phosphate is dissolved in the water of 5～10 times of mole multiples, stir and add ammoniacal liquor, NaOH, potassium hydroxide, ammonium carbonate, sodium carbonate etc., various precipitation by metallic ion are got off, then be adjusted to more than 8 with ammonia spirit pH; Refilter precipitation, will precipitate oven dry, and then add metal molybdenum powder, molybdenum dioxide or molybdenum trioxide mechanical mixture, addition is 0.01～0.20:1;
(3) step (1) is made to sediment or mixture that step (2) is made adds lithium carbonate or lithium hydroxide as lithium source in the ratio of manganese nickel cobalt element summation and elemental lithium mol ratio 1:1.2～1.68, mechanical mixture, then at 400～600 ℃, calcine 10h, at 800～950 ℃, calcine 1～10h again, make anode material for lithium-ion batteries.
2. according to the preparation method of a kind of anode material for lithium-ion batteries of claim 1, it is characterized in that, the molybdenum salt of described step (1) is molybdic acid, sodium molybdate, ammonium molybdate, phosphomolybdic acid, molybdenum sulfide or molybdenum chloride.
CN201310468639.8A 2013-09-30 2013-09-30 Method for preparing anode material for lithium ion batteries Pending CN103515592A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310468639.8A CN103515592A (en) 2013-09-30 2013-09-30 Method for preparing anode material for lithium ion batteries

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310468639.8A CN103515592A (en) 2013-09-30 2013-09-30 Method for preparing anode material for lithium ion batteries

Publications (1)

Publication Number Publication Date
CN103515592A true CN103515592A (en) 2014-01-15

Family

ID=49897953

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310468639.8A Pending CN103515592A (en) 2013-09-30 2013-09-30 Method for preparing anode material for lithium ion batteries

Country Status (1)

Country Link
CN (1) CN103515592A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110642303A (en) * 2019-08-30 2020-01-03 广东新凌嘉新能源股份有限公司 Improved power ternary cylindrical lithium battery positive electrode material and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US20110291044A1 (en) * 2009-02-13 2011-12-01 Chengdu Jingyuan New Materials Technology Co., Ltd. Nickel-cobalt-manganese multi-element lithium ion battery cathode material with dopants and its methods of preparation
CN102306765A (en) * 2011-08-18 2012-01-04 合肥国轩高科动力能源有限公司 Preparation method for nickel-manganese-cobalt anode material of lithium ion battery

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110291044A1 (en) * 2009-02-13 2011-12-01 Chengdu Jingyuan New Materials Technology Co., Ltd. Nickel-cobalt-manganese multi-element lithium ion battery cathode material with dopants and its methods of preparation
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
CN102306765A (en) * 2011-08-18 2012-01-04 合肥国轩高科动力能源有限公司 Preparation method for nickel-manganese-cobalt anode material of lithium ion battery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110642303A (en) * 2019-08-30 2020-01-03 广东新凌嘉新能源股份有限公司 Improved power ternary cylindrical lithium battery positive electrode material and preparation method thereof

Similar Documents

Publication Publication Date Title
CN109980219B (en) Full-gradient nickel-cobalt-manganese positive electrode material, ruthenium oxide coating material and preparation method thereof
CN107611409B (en) Preparation method of flaky nano FeS2/C negative electrode material
CN104795552B (en) A kind of layered oxide material, preparation method, pole piece, secondary cell and purposes
CN103700820B (en) A kind of lithium ion selenium battery with long service life
CN102479942B (en) A kind of hard carbon cathode material and its production and use
CN103137960B (en) Anode material for lithium-ion batteries and preparation method thereof and lithium ion battery
CN102916195B (en) Graphene-coated copper oxide composite cathode material and method for manufacturing same
CN106920989B (en) A kind of copper selenium compound is the sodium-ion battery of negative electrode material
CN107154486A (en) A kind of cupric multi-element metal sulfide is the sodium-ion battery of negative material
CN106006762B (en) The preparation of petal stratiform nickel-cobalt-manganese ternary material precursor and the application as anode material for lithium-ion batteries
CN105185979A (en) Hollow structure lithium-ion battery positive electrode material and preparation method thereof
CN103956477A (en) Preparation method of cathode material of lithium-rich ternary compound lithium ion battery
CN104835957B (en) Preparation method of high-nickel ternary material used for lithium ion battery
CN106058205A (en) Doped lithium nickel cobalt oxide composite cathode material and preparation method thereof
CN105140472A (en) Tungsten-modified lithium-rich manganese-based layered cathode material for lithium ion battery and preparation method thereof
CN102263238A (en) Lithium nickel cobalt manganese oxide and preparation method thereof
CN104900857A (en) Preparation method of trace Mo-doped lamellar lithium-enriched ternary positive electrode material
CN102364732A (en) Preparation method of lithium abundant cathode material for lithium ion battery
CN108269980A (en) A kind of method for preparing high-performance di-iron trioxide/zinc ferrite combination electrode material
CN105226269A (en) A kind of nickel ion doped manufacturing process
CN103825014A (en) Preparation method of lithium ion battery high-voltage cathode material lithium nickel manganese composite oxide
CN103227325B (en) Sodium-ion battery cathode material and preparation method thereof
CN106602046A (en) Lithium ion battery silicate cathode material, and preparation and application thereof
CN104218239A (en) Preparation method for lithium nickel-cobalt manganate cathode material
CN107799700A (en) A kind of preparation method and applications of the barrier film of the Prussian blue modification of fabricated in situ

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20140115