CN101901902B - 一种锂铁磷化合物的制备方法 - Google Patents
一种锂铁磷化合物的制备方法 Download PDFInfo
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- CN101901902B CN101901902B CN2010101514682A CN201010151468A CN101901902B CN 101901902 B CN101901902 B CN 101901902B CN 2010101514682 A CN2010101514682 A CN 2010101514682A CN 201010151468 A CN201010151468 A CN 201010151468A CN 101901902 B CN101901902 B CN 101901902B
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- Prior art keywords
- lithium
- iron
- ball mill
- phosphate compound
- ethanol
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- 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.)
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- -1 lithium-iron-phosphate compound Chemical class 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 52
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000000498 ball milling Methods 0.000 claims abstract description 23
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 14
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 9
- 239000000047 product Substances 0.000 claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims description 19
- 235000011837 pasties Nutrition 0.000 claims description 18
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 10
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 10
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 9
- 238000001354 calcination Methods 0.000 claims description 8
- 239000007795 chemical reaction product Substances 0.000 claims description 8
- 229920000858 Cyclodextrin Polymers 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910000765 intermetallic Inorganic materials 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052744 lithium Inorganic materials 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 239000010405 anode material Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 2
- 239000012467 final product Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 239000011701 zinc Substances 0.000 description 13
- 239000011651 chromium Substances 0.000 description 9
- 239000011777 magnesium Substances 0.000 description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 6
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- 229910052493 LiFePO4 Inorganic materials 0.000 description 5
- 239000010955 niobium Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 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
- 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
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000002950 deficient Effects 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
- 238000005516 engineering process Methods 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
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
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- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
实施例 | 1倍率放电容量(mAH/g) | 1倍率放电1000次循环容量保持率(%) | 10倍率放电容量(mAH/g) | 10倍率放电1000次循环容量保持率(%) |
实施例一 | 124 | 88 | 128 | 83 |
实施例二 | 115 | 92 | 120 | 88 |
实施例三 | 121 | 90 | 125 | 87 |
实施例四 | 116 | 91 | 122 | 86 |
实施例五 | 120 | 90 | 125 | 86 |
实施例六 | 124 | 89 | 127 | 82 |
Claims (1)
Priority Applications (1)
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CN2010101514682A CN101901902B (zh) | 2010-04-13 | 2010-04-13 | 一种锂铁磷化合物的制备方法 |
Applications Claiming Priority (1)
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CN2010101514682A CN101901902B (zh) | 2010-04-13 | 2010-04-13 | 一种锂铁磷化合物的制备方法 |
Publications (2)
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CN101901902A CN101901902A (zh) | 2010-12-01 |
CN101901902B true CN101901902B (zh) | 2012-07-25 |
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CN2010101514682A Active CN101901902B (zh) | 2010-04-13 | 2010-04-13 | 一种锂铁磷化合物的制备方法 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1830765A (zh) * | 2006-03-22 | 2006-09-13 | 浙江大学 | 锂离子电池正极材料碳包覆磷酸亚铁锂的制备方法 |
CN101209824A (zh) * | 2006-12-31 | 2008-07-02 | 比亚迪股份有限公司 | 锂离子二次电池正极活性物质磷酸亚铁锂的制备方法 |
CN101269808A (zh) * | 2008-03-05 | 2008-09-24 | 广州融捷材料科技有限公司 | 一种高密度橄榄石结构磷酸亚铁锂及其制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101332986B (zh) * | 2008-07-31 | 2012-05-09 | 福建师范大学 | 一种利用磷化反应制备磷酸亚铁锂正极材料的方法 |
-
2010
- 2010-04-13 CN CN2010101514682A patent/CN101901902B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1830765A (zh) * | 2006-03-22 | 2006-09-13 | 浙江大学 | 锂离子电池正极材料碳包覆磷酸亚铁锂的制备方法 |
CN101209824A (zh) * | 2006-12-31 | 2008-07-02 | 比亚迪股份有限公司 | 锂离子二次电池正极活性物质磷酸亚铁锂的制备方法 |
CN101269808A (zh) * | 2008-03-05 | 2008-09-24 | 广州融捷材料科技有限公司 | 一种高密度橄榄石结构磷酸亚铁锂及其制备方法 |
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