CN1332909C - LiFePO4/Li-Ti-O纳米纤维复合材料制备方法 - Google Patents
LiFePO4/Li-Ti-O纳米纤维复合材料制备方法 Download PDFInfo
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- CN1332909C CN1332909C CNB2004100966992A CN200410096699A CN1332909C CN 1332909 C CN1332909 C CN 1332909C CN B2004100966992 A CNB2004100966992 A CN B2004100966992A CN 200410096699 A CN200410096699 A CN 200410096699A CN 1332909 C CN1332909 C CN 1332909C
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- Prior art keywords
- fiber composite
- composite material
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- nano
- lifepo
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- 229910007052 Li—Ti—O Inorganic materials 0.000 title claims abstract description 29
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000002121 nanofiber Substances 0.000 title claims description 30
- 229910052493 LiFePO4 Inorganic materials 0.000 title abstract description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 19
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000012298 atmosphere Substances 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 claims description 24
- 229910010710 LiFePO Inorganic materials 0.000 claims description 16
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000002203 pretreatment Methods 0.000 claims description 6
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 5
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 4
- 239000008103 glucose Substances 0.000 claims description 4
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 4
- 238000005342 ion exchange Methods 0.000 claims description 4
- 239000002086 nanomaterial Substances 0.000 claims description 4
- 230000003252 repetitive effect Effects 0.000 claims description 4
- 238000005201 scrubbing Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 230000005518 electrochemistry Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 29
- 239000000835 fiber Substances 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 14
- 239000000843 powder Substances 0.000 abstract description 8
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 238000003786 synthesis reaction Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000006181 electrochemical material Substances 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- -1 Li<+> Chemical class 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 abstract 1
- 239000005416 organic matter Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical group [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000037427 ion transport Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- ZDYUUBIMAGBMPY-UHFFFAOYSA-N oxalic acid;hydrate Chemical compound O.OC(=O)C(O)=O ZDYUUBIMAGBMPY-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Battery Electrode And Active Subsutance (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
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Application Number | Priority Date | Filing Date | Title |
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CNB2004100966992A CN1332909C (zh) | 2004-12-07 | 2004-12-07 | LiFePO4/Li-Ti-O纳米纤维复合材料制备方法 |
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CNB2004100966992A CN1332909C (zh) | 2004-12-07 | 2004-12-07 | LiFePO4/Li-Ti-O纳米纤维复合材料制备方法 |
Publications (2)
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CN1631841A CN1631841A (zh) | 2005-06-29 |
CN1332909C true CN1332909C (zh) | 2007-08-22 |
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CNB2004100966992A Expired - Fee Related CN1332909C (zh) | 2004-12-07 | 2004-12-07 | LiFePO4/Li-Ti-O纳米纤维复合材料制备方法 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103400983B (zh) * | 2013-07-29 | 2015-07-08 | 海门容汇通用锂业有限公司 | 一种常压水相合成纳米无结晶水磷酸亚铁锂的方法 |
CN104752694A (zh) * | 2013-12-30 | 2015-07-01 | 北京有色金属研究总院 | 一种磷酸亚铁锂材料的低温电化学性能的改进方法 |
CN108091836B (zh) * | 2017-11-21 | 2021-04-09 | 中山大学 | 一种碳原位复合二氧化钛纤维锂离子电池负极材料的制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1237654A (zh) * | 1998-06-02 | 1999-12-08 | 南京大学 | 单晶二氧化钛纳米丝的制备方法 |
CN1410349A (zh) * | 2002-11-28 | 2003-04-16 | 清华大学 | 一种橄榄石结构的多晶LiFePO4粉体制备方法 |
-
2004
- 2004-12-07 CN CNB2004100966992A patent/CN1332909C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1237654A (zh) * | 1998-06-02 | 1999-12-08 | 南京大学 | 单晶二氧化钛纳米丝的制备方法 |
CN1410349A (zh) * | 2002-11-28 | 2003-04-16 | 清华大学 | 一种橄榄石结构的多晶LiFePO4粉体制备方法 |
Non-Patent Citations (3)
Title |
---|
一种新型的锂离子电池正极材料——LiFePO4 卢俊彪等,稀有金属材料与工程,第33卷第7期 2004 * |
一维TiO2纳米材料的微观形态与结构的控制 洪剑等,材料研究学报,第18卷第1期 2004 * |
一维TiO2纳米材料的微观形态与结构的控制 洪剑等,材料研究学报,第18卷第1期 2004;一种新型的锂离子电池正极材料——LiFePO4 卢俊彪等,稀有金属材料与工程,第33卷第7期 2004 * |
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CN1631841A (zh) | 2005-06-29 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu CEL Battery Co., Ltd. Assignor: Tsinghua University Contract record no.: 2010110000218 Denomination of invention: Preparation method of LiFePO4/Li-Ti-O nanofiber composite Granted publication date: 20070822 License type: Common License Open date: 20050629 Record date: 20101227 |
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EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu CEL Battery Co., Ltd. Assignor: Tsinghua University Contract record no.: 2010110000218 Denomination of invention: Preparation method of LiFePO4/Li-Ti-O nanofiber composite Granted publication date: 20070822 License type: General permission Open date: 20050629 Record date: 20101227 |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070822 Termination date: 20151207 |
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