CN101651198A - 一种掺杂型磷酸亚铁锂材料及其制备方法和应用 - Google Patents
一种掺杂型磷酸亚铁锂材料及其制备方法和应用 Download PDFInfo
- Publication number
- CN101651198A CN101651198A CN200910034826A CN200910034826A CN101651198A CN 101651198 A CN101651198 A CN 101651198A CN 200910034826 A CN200910034826 A CN 200910034826A CN 200910034826 A CN200910034826 A CN 200910034826A CN 101651198 A CN101651198 A CN 101651198A
- Authority
- CN
- China
- Prior art keywords
- lithium
- phosphate
- iron phosphate
- lithium iron
- solid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 66
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000000126 substance Substances 0.000 claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 24
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 20
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 18
- 229910003002 lithium salt Inorganic materials 0.000 claims description 16
- 159000000002 lithium salts Chemical class 0.000 claims description 16
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 14
- DQMUQFUTDWISTM-UHFFFAOYSA-N O.[O-2].[Fe+2].[Fe+2].[O-2] Chemical compound O.[O-2].[Fe+2].[Fe+2].[O-2] DQMUQFUTDWISTM-UHFFFAOYSA-N 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 229910052786 argon Inorganic materials 0.000 claims description 10
- 238000000875 high-speed ball milling Methods 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 238000005245 sintering Methods 0.000 claims description 8
- 229910019142 PO4 Inorganic materials 0.000 claims description 7
- 239000010452 phosphate Substances 0.000 claims description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 6
- -1 phosphate compound Chemical class 0.000 claims description 6
- 150000003014 phosphoric acid esters Chemical class 0.000 claims description 6
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 claims description 6
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 claims description 6
- RXPQRKFMDQNODS-UHFFFAOYSA-N tripropyl phosphate Chemical compound CCCOP(=O)(OCCC)OCCC RXPQRKFMDQNODS-UHFFFAOYSA-N 0.000 claims description 6
- 239000010405 anode material Substances 0.000 claims description 5
- 238000000498 ball milling Methods 0.000 claims description 5
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 claims description 4
- HRKAMJBPFPHCSD-UHFFFAOYSA-N Tri-isobutylphosphate Chemical compound CC(C)COP(=O)(OCC(C)C)OCC(C)C HRKAMJBPFPHCSD-UHFFFAOYSA-N 0.000 claims description 4
- 229910011570 LiFe 1-x Inorganic materials 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 17
- 229910052744 lithium Inorganic materials 0.000 abstract description 17
- 239000002994 raw material Substances 0.000 abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 3
- 239000011574 phosphorus Substances 0.000 abstract description 3
- 239000006258 conductive agent Substances 0.000 abstract description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 1
- 229910011902 LiFe1-xMxPO4 Inorganic materials 0.000 abstract 1
- 229910010595 LiFe1−xMxPO4 Inorganic materials 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910021654 trace metal Inorganic materials 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 12
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 10
- 238000007599 discharging Methods 0.000 description 9
- 229940116007 ferrous phosphate Drugs 0.000 description 8
- 229910000155 iron(II) phosphate Inorganic materials 0.000 description 8
- SDEKDNPYZOERBP-UHFFFAOYSA-H iron(ii) phosphate Chemical compound [Fe+2].[Fe+2].[Fe+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O SDEKDNPYZOERBP-UHFFFAOYSA-H 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 239000005030 aluminium foil Substances 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 4
- 229910052808 lithium carbonate Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 238000000921 elemental analysis Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 229920002620 polyvinyl fluoride Polymers 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910010710 LiFePO Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- WHXSMMKQMYFTQS-BJUDXGSMSA-N (6Li)Lithium Chemical compound [6Li] WHXSMMKQMYFTQS-BJUDXGSMSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- CZGGKXNYNPJFAX-UHFFFAOYSA-N Dimethyldithiophosphate Chemical compound COP(S)(=S)OC CZGGKXNYNPJFAX-UHFFFAOYSA-N 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- 229910015645 LiMn Inorganic materials 0.000 description 1
- 229910014689 LiMnO Inorganic materials 0.000 description 1
- 229910013282 LiNiMO Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- WCXYYXRNWMSZRG-UHFFFAOYSA-N [C].P(=O)(O)(O)[O-].[NH4+] Chemical compound [C].P(=O)(O)(O)[O-].[NH4+] WCXYYXRNWMSZRG-UHFFFAOYSA-N 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 125000004437 phosphorous atom Chemical group 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000010189 synthetic method Methods 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
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
实施例1 | 对比例1 | |
锂源 | 1.0mol硝酸锂 | 1.0mol硝酸锂 |
铁源 | 0.4985mol三氧化二铁 | 0.4985mol三氧化二铁 |
磷源 | 1.0mol甲基磷酸酯 | 1.0mol磷酸二氢铵 |
碳源 | 同磷源 | 3mol导电碳黑 |
掺杂元素 | 0.0015mol三氧化二铝 | 0.0015mol三氧化二铝 |
17mA/g放电容量 | 140.22mAh/g | 137.80mAh/g |
340mA/g放电容量 | 113.15mAh/g | 92.12mAh/g |
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009100348269A CN101651198B (zh) | 2009-09-09 | 2009-09-09 | 一种掺杂型磷酸亚铁锂材料及其制备方法和应用 |
Applications Claiming Priority (1)
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CN2009100348269A CN101651198B (zh) | 2009-09-09 | 2009-09-09 | 一种掺杂型磷酸亚铁锂材料及其制备方法和应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101651198A true CN101651198A (zh) | 2010-02-17 |
CN101651198B CN101651198B (zh) | 2011-12-07 |
Family
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CN2009100348269A Active CN101651198B (zh) | 2009-09-09 | 2009-09-09 | 一种掺杂型磷酸亚铁锂材料及其制备方法和应用 |
Country Status (1)
Country | Link |
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CN (1) | CN101651198B (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102176518A (zh) * | 2011-03-16 | 2011-09-07 | 哈尔滨工业大学 | 锂离子电池正极材料LiFePO4/C粉体的液相合成方法 |
CN102368554A (zh) * | 2011-11-04 | 2012-03-07 | 北京桑德环保集团有限公司 | 一种采用离子注入机掺杂钇的磷酸铁锂电池正极材料的制备方法 |
CN103441276A (zh) * | 2013-09-12 | 2013-12-11 | 兰州理工大学 | 一种碳包覆多孔磷酸铁锂粉体的制备方法 |
CN105449206A (zh) * | 2015-12-23 | 2016-03-30 | 邬石根 | 一种LiFe1-xZrxPO4电极材料及其制备方法 |
CN114843512A (zh) * | 2022-03-22 | 2022-08-02 | 深圳新宙邦科技股份有限公司 | 一种正极片及锂离子电池 |
CN114864922A (zh) * | 2022-04-29 | 2022-08-05 | 深圳新宙邦科技股份有限公司 | 一种锂离子电池 |
-
2009
- 2009-09-09 CN CN2009100348269A patent/CN101651198B/zh active Active
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102176518A (zh) * | 2011-03-16 | 2011-09-07 | 哈尔滨工业大学 | 锂离子电池正极材料LiFePO4/C粉体的液相合成方法 |
CN102176518B (zh) * | 2011-03-16 | 2013-03-20 | 哈尔滨工业大学 | 锂离子电池正极材料LiFePO4/C粉体的液相合成方法 |
CN102368554A (zh) * | 2011-11-04 | 2012-03-07 | 北京桑德环保集团有限公司 | 一种采用离子注入机掺杂钇的磷酸铁锂电池正极材料的制备方法 |
CN103441276A (zh) * | 2013-09-12 | 2013-12-11 | 兰州理工大学 | 一种碳包覆多孔磷酸铁锂粉体的制备方法 |
CN105449206A (zh) * | 2015-12-23 | 2016-03-30 | 邬石根 | 一种LiFe1-xZrxPO4电极材料及其制备方法 |
CN114843512A (zh) * | 2022-03-22 | 2022-08-02 | 深圳新宙邦科技股份有限公司 | 一种正极片及锂离子电池 |
CN114843512B (zh) * | 2022-03-22 | 2024-05-31 | 深圳新宙邦科技股份有限公司 | 一种正极片及锂离子电池 |
CN114864922A (zh) * | 2022-04-29 | 2022-08-05 | 深圳新宙邦科技股份有限公司 | 一种锂离子电池 |
CN114864922B (zh) * | 2022-04-29 | 2024-02-09 | 深圳新宙邦科技股份有限公司 | 一种锂离子电池 |
Also Published As
Publication number | Publication date |
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CN101651198B (zh) | 2011-12-07 |
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