CN1514502A - Preparation method of high-capacity lithium ion battery lithium cobalt manganese nickel oxide positive electrode material - Google Patents
Preparation method of high-capacity lithium ion battery lithium cobalt manganese nickel oxide positive electrode material Download PDFInfo
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- CN1514502A CN1514502A CNA031262554A CN03126255A CN1514502A CN 1514502 A CN1514502 A CN 1514502A CN A031262554 A CNA031262554 A CN A031262554A CN 03126255 A CN03126255 A CN 03126255A CN 1514502 A CN1514502 A CN 1514502A
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- cobalt
- manganese
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- lithium
- nickel
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title abstract description 10
- VGYDTVNNDKLMHX-UHFFFAOYSA-N lithium;manganese;nickel;oxocobalt Chemical compound [Li].[Mn].[Ni].[Co]=O VGYDTVNNDKLMHX-UHFFFAOYSA-N 0.000 title abstract description 6
- 239000007774 positive electrode material Substances 0.000 title 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 47
- 239000010941 cobalt Substances 0.000 claims abstract description 47
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 33
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 28
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 22
- 239000011572 manganese Substances 0.000 claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 22
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 13
- 238000000498 ball milling Methods 0.000 claims abstract description 12
- 238000010532 solid phase synthesis reaction Methods 0.000 claims abstract description 5
- 239000010405 anode material Substances 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims description 28
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 15
- 238000001354 calcination Methods 0.000 claims description 12
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 4
- CKFRRHLHAJZIIN-UHFFFAOYSA-N cobalt lithium Chemical compound [Li].[Co] CKFRRHLHAJZIIN-UHFFFAOYSA-N 0.000 claims description 2
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 9
- 238000001035 drying Methods 0.000 abstract description 9
- 235000015110 jellies Nutrition 0.000 abstract description 8
- 239000008274 jelly Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000007873 sieving Methods 0.000 abstract description 5
- 239000000084 colloidal system Substances 0.000 abstract 1
- 238000010304 firing Methods 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- 230000004520 agglutination Effects 0.000 description 8
- 239000008188 pellet Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910001429 cobalt ion Inorganic materials 0.000 description 1
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical class [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/40—Nickelates
- C01G53/42—Nickelates containing alkali metals, e.g. LiNiO2
- C01G53/44—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
-
- 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
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a preparation method of a high-capacity lithium ion battery lithium cobalt manganese nickel oxide anode material, which comprises the procedures of solid phase synthesis and high temperature firing and is characterized in that: in the working procedure (1), lithium source, cobalt source, manganese source and nickel source are mixed uniformly according to the atomic ratio of lithium to cobalt, manganese and nickel being 1-1.1: 1, and then polyacrylamide and neodymium oxide are added and stirred uniformly to form a colloid. And (2) drying the jelly at 150 ℃ for 30 hours, carrying out ball milling in a ball mill, and sieving by using a 300-mesh sieve. Pre-burning the powder at the temperature of 300-450 ℃ for 10 hours in the step (3), naturally cooling to room temperature, ball-milling and grinding the pre-burned powder again in the step (4), sieving by a 300-mesh sieve, burning for 3 hours at the temperature of 650-850 ℃, and sieving by a 300-mesh sieve. Because polyacrylamide and neodymium oxide are added in the solid phase synthesis process, the presintering process is added, and compared with the prior art, the invention has the advantages of high specific capacity, good cycle performance and no pollution.
Description
Technical field:
The present invention relates to a kind of battery, particularly a kind of preparation method of high-capacity lithium ion cell lithium cobalt manganese nickel oxide positive electrode.
Background technology:
To produce the positive electrode that lithium ion battery uses be lithium and cobalt oxides in commercialization, because cobalt resource lacks, the price height is unfavorable for that the large-scale promotion of lithium ion battery is used.At present replacing cobalt with manganese, nickel is one of effective way that reduces material cost, many bibliographical informations have been arranged preparation method and the performance of Li-Cox-Mny-Nil-yO2, and its preparation method is many to carry out equipment complexity, technology cost height under oxygen.
Summary of the invention:
The technical issues that need to address of the present invention are preparation methods of a kind of lithium ion battery lithium cobalt manganese nickel oxide positive electrode of design, and prepared positive electrode has higher reversible specific capacity and excellent cycle performance, and the technology cost is lower.Technical scheme of the present invention is, a kind of preparation method of high-capacity lithium ion cell lithium cobalt and manganese oxide anode material, include solid phase synthesis and high temperature sintering operation, it is characterized in that: operation (1) is pressed lithium: cobalt, manganese, nickle atom is than being 1-1.1: 1, and cobalt: manganese: nickel is 1: 1: 1, with the lithium source, the cobalt source, behind manganese source and the nickel source mixing, by above-mentioned lithium, cobalt, manganese, the 6-10% of nickel batch mixing adds polyacrylamide, press cobalt, manganese, the 5-8% of nickle atom ratio adds neodymia, operation (2) is dried above-mentioned gluey material 30 hours down at 150 ℃, ball milling is also crossed 300 mesh sieves in ball mill, operation (3) is with the pre-burning after 10 hours under 300-450 ℃ of condition of above-mentioned powder, naturally cool to room temperature, operation (4) is carried out the ball milling porphyrize once more with the powder of pre-burning, cross 300 mesh sieves, calcination is 3 hours under 650-850 ℃ of condition, mistake 300 mesh sieves.Owing in solid phase synthesis, added the effect that macromolecule network agent (polyacrylamide) and stabilizer (neodymia) have balling-up, the lithium cobalt manganese nickel oxide globulate that calcination is gone out, its proportion is increased, improved the cycle life in the charge and discharge process, increased The pre-heat treatment, the fully decomposition of lithium source, oxygen are combined with lithium and cobalt ions, and lithium mixes in the atom level level with cobalt, goes out the layered cathode material of good crystallinity 850 ℃ of following calcinations.Thereby the present invention had both had specific capacity height, discharge potential height, overcharge resistance performance and cycle performance compared with the prior art and thermal stability is better, stable recycled the life-span, but also had the low remarkable advantage of technology cost.
Embodiment:
Embodiment 1
Operation (1) is 1 and cobalt with the atomic ratio of lithium and cobalt, manganese, nickel: manganese: the atomic ratio of nickel is the batch mixing mixing in 1 lithium source and cobalt source, manganese source, nickel source, add polyacrylamide by 6% of this batch mixing weight ratio, press 5% adding neodymia of cobalt, manganese, nickle atom ratio, agglutination stirs.
Operation (2) will after 30 hours, claim a certain amount of oven dry pellet mill 5 hours in oven dry under 150 ℃ again at the jelly drying case that above-mentioned operation (1) obtains, and cross 300 order vibrating screens.
Powder material 10 hours natural cooling of pre-burning under 300 ℃ of conditions that operation (3) obtains above-mentioned operation (2).
Operation (4) will be at the powder thing of above-mentioned operation (3) pre-burning again through asking mill, porphyrize, sieving, and 300 mesh sieves are crossed in calcination 3 hours under 700 ℃ of conditions again.
Embodiment 2
Operation (1) is 1.02 and cobalt with the atomic ratio of lithium and cobalt, manganese, nickel: manganese: the atomic ratio of nickel is the batch mixing mixing in 1 lithium source and cobalt source, manganese source, nickel source, add polyacrylamide by 6% of this batch mixing weight ratio, press 5% adding neodymia of cobalt, manganese, nickle atom ratio, agglutination stirs.
Operation (2) will after 30 hours, claim a certain amount of oven dry pellet mill 5 hours in oven dry under 150 ℃ again at the jelly drying case that above-mentioned operation (1) obtains, and cross 300 order vibrating screens.
The powder material that operation (3) will obtain in above-mentioned operation (2) is at 10 hours natural cooling of 350 ℃ of pre-burnings.
Operation (4) will be at the powder thing of above-mentioned operation (3) pre-burning again through asking mill, porphyrize, sieving, and again 750 ℃ of calcinations 3 hours, it is stand-by to cross 300 mesh sieves.
Embodiment 3
Operation (1) is 1.05 and cobalt with the atomic ratio of lithium and cobalt, manganese, nickel: manganese: the atomic ratio of nickel is the batch mixing mixing in 1 lithium source and cobalt source, manganese source, nickel source, add polyacrylamide by 8% of this batch mixing weight ratio, press 6% adding neodymia of cobalt, manganese, nickle atom ratio, agglutination stirs.
Operation (2) will after 30 hours, claim a certain amount of oven dry pellet mill 5 hours in oven dry under 150 ℃ again at the jelly drying case that above-mentioned operation (1) obtains, and cross 300 order vibrating screens.
The powder material that operation (3) will obtain in above-mentioned operation (2) is at 10 hours natural cooling of 400 ℃ of pre-burnings.
Operation (4) will be at the powder material of above-mentioned operation (3) pre-burning again through ball milling, porphyrize, sieve, again 650 ℃ of calcinations 3 hours, it is stand-by to cross 300 mesh sieves.
Embodiment 4
Operation (1) is 1.05 and cobalt with the atomic ratio of lithium and cobalt, manganese, nickel: manganese: the atomic ratio of nickel is the batch mixing mixing in 1 lithium source and cobalt source, manganese source, nickel source, add polyacrylamide by 8% of this batch mixing weight ratio, press 6% adding neodymia of cobalt, manganese, nickle atom ratio, agglutination stirs.
Operation (2) will after 30 hours, claim a certain amount of oven dry pellet mill 5 hours in oven dry under 150 ℃ again at the gluey material drying case that above-mentioned operation (2) obtain, and cross 300 order vibrating screens.
The powder material that operation (3) will obtain in above-mentioned operation (2) is at 10 hours natural cooling of 400 ℃ of pre-burnings.
Operation (4) will be at the powder material of above-mentioned operation (3) pre-burning again through ball milling, porphyrize, sieve, again 700 ℃ of calcinations 3 hours, it is stand-by to cross 300 mesh sieves.
Embodiment 5
Operation (1) is 1.08 and cobalt with the atomic ratio of lithium and cobalt, manganese, nickel: manganese: the atomic ratio of nickel is the batch mixing mixing in 1 lithium source and cobalt source, manganese source, nickel source, add polyacrylamide by 8% of this batch mixing weight ratio, press 6% adding neodymia of cobalt, manganese, nickle atom ratio, agglutination stirs.
Operation (2) will after 30 hours, claim a certain amount of oven dry pellet mill 5 hours in oven dry under 150 ℃ again at the jelly drying case that above-mentioned operation (1) obtains, and cross 300 order vibrating screens.
The powder material that operation (3) will obtain in above-mentioned operation (2) is at 10 hours natural cooling of 450 ℃ of pre-burnings.
Operation (4) will be at the powder thing of above-mentioned operation (3) pre-burning again through ball milling, porphyrize, sieve, again 800 ℃ of calcinations 3 hours, it is stand-by to cross 300 mesh sieves.
Embodiment 6
Operation (1) is 1.08 and cobalt with the atomic ratio of lithium and cobalt, manganese, nickel: manganese: the atomic ratio of nickel is the batch mixing mixing in 1 lithium source and cobalt source, manganese source, nickel source, add polyacrylamide by 8% of this batch mixing weight ratio, press 6% adding neodymia of cobalt, manganese, nickle atom ratio, agglutination stirs.
Operation (2) will after 30 hours, claim a certain amount of oven dry pellet mill 5 hours in oven dry under 150 ℃ again at the jelly drying case that above-mentioned operation (1) obtains, and cross 300 order vibrating screens.
The powder material that operation (3) will obtain in above-mentioned operation (2) is at 10 hours natural cooling of 450 ℃ of pre-burnings.
Operation (4) will be at the powder thing of above-mentioned operation (3) pre-burning again through ball milling, porphyrize, sieve, again 850 ℃ of calcinations 3 hours, it is stand-by to cross 300 mesh sieves.
Embodiment 7
Operation (1) is 1.08 and cobalt with the atomic ratio of lithium and cobalt, manganese, nickel: manganese: the atomic ratio of nickel is the batch mixing mixing in 1 lithium source and cobalt source, manganese source, nickel source, add polyacrylamide by 8% of this batch mixing weight ratio, press 6% adding neodymia of cobalt, manganese, nickle atom ratio, agglutination stirs.
Operation (2) will after 30 hours, claim a certain amount of oven dry pellet mill 5 hours in oven dry under 150 ℃ again at the jelly drying case that above-mentioned operation (1) obtains, and cross 300 order vibrating screens.
The powder material that operation (3) will obtain in above-mentioned operation (2) is at 10 hours natural cooling of 450 ℃ of pre-burnings.
Operation (4) will be at the powder thing of above-mentioned operation (3) pre-burning again through ball milling, porphyrize, sieve, again 850 ℃ of calcinations 3 hours, it is stand-by to cross 300 mesh sieves.
Embodiment 8
Operation (1) is 1.1 and cobalt with the atomic ratio of lithium and cobalt, manganese, nickel: manganese: the atomic ratio of nickel is the batch mixing mixing in 1 lithium source and cobalt source, manganese source, nickel source, add polyacrylamide by 10% of this batch mixing weight ratio, press 8% adding neodymia of cobalt, manganese, nickle atom ratio, agglutination stirs.
Operation (2) will after 30 hours, claim a certain amount of oven dry pellet mill 5 hours in oven dry under 150 ℃ again at the jelly drying case that above-mentioned operation (1) obtains, and cross 300 order vibrating screens.
The powder material that operation (3) will obtain in above-mentioned operation (2) is at 10 hours natural cooling of 400 ℃ of pre-burnings.
Operation (4) will be at the powder thing of above-mentioned the 3rd treatment step pre-burning again through ball milling, porphyrize, sieve, again 800 ℃ of calcinations 3 hours, it is stand-by to cross 300 mesh sieves.
Anode material for lithium-ion batteries and lithium ion battery negative material graphite with method for preparing, with the vinylidene is the pole plate binding agent, make the positive plate and the negative plate of lithium ion battery respectively, with the microporous polypropylene membrane is electrode diaphragm, is dimethyl carbonate with the volume ratio: diethyl carbonate: the 1M lithium hexafluoro phosphate of ethylene carbonate=1: 1: 1 is that electrolyte is assembled into lithium ion battery.
The performance table of the lithium ion battery of each embodiment preparation
Claims (1)
1. the preparation method of a high-capacity lithium ion cell lithium cobalt and manganese oxide anode material, include solid phase synthesis and high temperature sintering operation, it is characterized in that: operation (1) is pressed lithium: cobalt, manganese, nickle atom is than being 1-1.1: 1, and cobalt: manganese: nickel is 1: 1: 1, with the lithium source, the cobalt source, behind manganese source and the nickel source mixing, by above-mentioned lithium, cobalt, manganese, the 6-10% of nickel batch mixing adds polyacrylamide, press cobalt, manganese, the 5-8% of nickle atom ratio adds neodymia, operation (2) is dried above-mentioned gluey material 30 hours down at 150 ℃, ball milling is also crossed 300 mesh sieves in ball mill, operation (3) is with the pre-burning after 10 hours under 300-450 ℃ of condition of above-mentioned powder, naturally cool to room temperature, operation (4) is carried out the ball milling porphyrize once more with the powder of pre-burning, crosses 300 mesh sieves, calcination is 3 hours under 650-850 ℃ of condition, mistake 300 mesh sieves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031262554A CN1245773C (en) | 2003-07-15 | 2003-07-15 | Preparation method of lithium cobalt manganese nickel oxide positive electrode material of lithium ion battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031262554A CN1245773C (en) | 2003-07-15 | 2003-07-15 | Preparation method of lithium cobalt manganese nickel oxide positive electrode material of lithium ion battery |
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| Publication Number | Publication Date |
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| CN1514502A true CN1514502A (en) | 2004-07-21 |
| CN1245773C CN1245773C (en) | 2006-03-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010043154A1 (en) * | 2008-10-17 | 2010-04-22 | 成都晶元新材料技术有限公司 | Ni-, co- and mn- multi-element doped positive electrode material for lithium ion battery and its preparation method |
| CN101139108B (en) * | 2006-09-06 | 2010-09-29 | 北京有色金属研究总院 | Method for preparing layered lithium, nickel, cobalt and manganese oxide anode material for lithium ion battery |
| CN101582497B (en) * | 2009-06-18 | 2012-07-11 | 中南大学 | Method for preparing composite anode material of high-capacity lithium ion battery |
| CN101111457B (en) * | 2005-09-27 | 2012-11-28 | Agc清美化学股份有限公司 | Process for producing lithium-containing composite oxide for positive electrode for lithium secondary battery |
| US8709302B2 (en) | 2009-02-13 | 2014-04-29 | Chengdu Jingyuan New Materials Technology Co., Ltd. | Nickel-cobalt-manganese multi-element lithium ion battery cathode material with dopants and its methods of preparation |
-
2003
- 2003-07-15 CN CNB031262554A patent/CN1245773C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101111457B (en) * | 2005-09-27 | 2012-11-28 | Agc清美化学股份有限公司 | Process for producing lithium-containing composite oxide for positive electrode for lithium secondary battery |
| CN101139108B (en) * | 2006-09-06 | 2010-09-29 | 北京有色金属研究总院 | Method for preparing layered lithium, nickel, cobalt and manganese oxide anode material for lithium ion battery |
| WO2010043154A1 (en) * | 2008-10-17 | 2010-04-22 | 成都晶元新材料技术有限公司 | Ni-, co- and mn- multi-element doped positive electrode material for lithium ion battery and its preparation method |
| CN101626080B (en) * | 2008-10-17 | 2011-02-09 | 成都晶元新材料技术有限公司 | Nickel-cobalt-manganese multiplex doped lithium ion battery anode material and preparation method thereof |
| US8709301B2 (en) | 2008-10-17 | 2014-04-29 | Chengdu Jingyuan New Materials Technology Co., Ltd. | Ni-, Co-, and Mn- multi-element doped positive electrode material for lithium battery and its preparation method |
| US8709302B2 (en) | 2009-02-13 | 2014-04-29 | Chengdu Jingyuan New Materials Technology Co., Ltd. | Nickel-cobalt-manganese multi-element lithium ion battery cathode material with dopants and its methods of preparation |
| CN101582497B (en) * | 2009-06-18 | 2012-07-11 | 中南大学 | Method for preparing composite anode material of high-capacity lithium ion battery |
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