CN102205953A - 一种用于磷酸铁锂电池材料的球形磷酸铁制造方法 - Google Patents
一种用于磷酸铁锂电池材料的球形磷酸铁制造方法 Download PDFInfo
- Publication number
- CN102205953A CN102205953A CN 201110114163 CN201110114163A CN102205953A CN 102205953 A CN102205953 A CN 102205953A CN 201110114163 CN201110114163 CN 201110114163 CN 201110114163 A CN201110114163 A CN 201110114163A CN 102205953 A CN102205953 A CN 102205953A
- Authority
- CN
- China
- Prior art keywords
- iron
- iron phosphate
- ferric
- ferric phosphate
- cell material
- 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
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 title claims abstract description 88
- 229910000398 iron phosphate Inorganic materials 0.000 title claims abstract description 58
- 239000000463 material Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 20
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 77
- 229910052742 iron Inorganic materials 0.000 claims abstract description 39
- 150000003839 salts Chemical class 0.000 claims abstract description 4
- 239000012065 filter cake Substances 0.000 claims description 41
- 239000000047 product Substances 0.000 claims description 41
- 239000005955 Ferric phosphate Substances 0.000 claims description 30
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 30
- 229940032958 ferric phosphate Drugs 0.000 claims description 30
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 20
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical class Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 17
- 229910052744 lithium Inorganic materials 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 229960004887 ferric hydroxide Drugs 0.000 claims description 12
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000002244 precipitate Substances 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 11
- -1 iron protochloride Chemical compound 0.000 claims description 10
- 238000010792 warming Methods 0.000 claims description 10
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 8
- 230000001590 oxidative effect Effects 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 238000005502 peroxidation Methods 0.000 claims description 6
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 229910001447 ferric ion Inorganic materials 0.000 claims description 4
- 239000011790 ferrous sulphate Substances 0.000 claims description 4
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 4
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 4
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 claims description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 2
- 229910001448 ferrous ion Inorganic materials 0.000 claims description 2
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 2
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 claims description 2
- 150000002894 organic compounds Chemical class 0.000 claims description 2
- 150000004965 peroxy acids Chemical class 0.000 claims description 2
- 235000017550 sodium carbonate Nutrition 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 2
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 2
- 238000009826 distribution Methods 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 8
- 239000013078 crystal Substances 0.000 abstract description 2
- 238000002441 X-ray diffraction Methods 0.000 abstract 2
- 238000004455 differential thermal analysis Methods 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 abstract 1
- 239000003643 water by type Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 40
- 239000002245 particle Substances 0.000 description 9
- 239000011734 sodium Substances 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 241000237502 Ostreidae Species 0.000 description 8
- 235000020636 oyster Nutrition 0.000 description 8
- 238000007599 discharging Methods 0.000 description 7
- 238000005649 metathesis reaction Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 230000006641 stabilisation Effects 0.000 description 6
- 238000011105 stabilization Methods 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 229910052745 lead Inorganic materials 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000006479 redox reaction Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 229910052793 cadmium Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 2
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
Images
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011101141639A CN102205953B (zh) | 2011-05-05 | 2011-05-05 | 一种用于磷酸铁锂电池材料的球形磷酸铁制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011101141639A CN102205953B (zh) | 2011-05-05 | 2011-05-05 | 一种用于磷酸铁锂电池材料的球形磷酸铁制造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102205953A true CN102205953A (zh) | 2011-10-05 |
CN102205953B CN102205953B (zh) | 2012-11-07 |
Family
ID=44695059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011101141639A Active CN102205953B (zh) | 2011-05-05 | 2011-05-05 | 一种用于磷酸铁锂电池材料的球形磷酸铁制造方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102205953B (zh) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102556994A (zh) * | 2011-12-02 | 2012-07-11 | 江西赣锋锂业股份有限公司 | 一种纳米级磷酸铁的制备方法 |
CN103395761A (zh) * | 2013-07-29 | 2013-11-20 | 丁忠华 | 一种处理利用磷化渣成磷酸盐及氧化铁红的方法 |
CN103663401A (zh) * | 2012-09-26 | 2014-03-26 | 比亚迪股份有限公司 | 一种磷酸铁粉体的制备方法 |
JP2014088282A (ja) * | 2012-10-30 | 2014-05-15 | Rin Kagaku Kogyo Kk | リン酸第二鉄含水和物粒子粉末およびその製造方法 |
JP2014088283A (ja) * | 2012-10-30 | 2014-05-15 | Rin Kagaku Kogyo Kk | リン酸第二鉄含水和物粒子粉末及びその製造方法 |
CN104129770A (zh) * | 2014-07-14 | 2014-11-05 | 常开军 | 一种纳米级磷酸铁及其制备方法 |
CN105692576A (zh) * | 2016-03-10 | 2016-06-22 | 三峡大学 | 一种利用工业含铁废弃物制备电池级磷酸铁的方法 |
CN107253706A (zh) * | 2017-07-25 | 2017-10-17 | 黄冈林立新能源科技有限公司 | 具有纳米片-微米球二级结构的磷酸铁晶体的制备方法 |
CN108706561A (zh) * | 2018-08-14 | 2018-10-26 | 武汉轻工大学 | 一种利用硫铁矿烧渣制备高纯磷酸铁的方法 |
CN108996755A (zh) * | 2018-08-16 | 2018-12-14 | 深圳市深投环保科技有限公司 | 含铁废水的处理方法及处理系统 |
CN114105115A (zh) * | 2021-11-22 | 2022-03-01 | 青岛九环新越新能源科技股份有限公司 | 磷酸铁及磷酸铁锂的生产方法和应用 |
CN115818605A (zh) * | 2022-12-22 | 2023-03-21 | 曲靖市德方纳米科技有限公司 | 二水磷酸铁及其制备方法、磷酸铁锂正极材料的制备方法 |
CN116143093A (zh) * | 2022-12-27 | 2023-05-23 | 湖北锂宝新材料科技发展有限公司 | 一种利用工业废铁泥制备电池级无水磷酸铁的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101337666A (zh) * | 2008-08-04 | 2009-01-07 | 清华大学 | 采用氧化控制结晶-碳热还原制备球形磷酸铁锂的方法 |
-
2011
- 2011-05-05 CN CN2011101141639A patent/CN102205953B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101337666A (zh) * | 2008-08-04 | 2009-01-07 | 清华大学 | 采用氧化控制结晶-碳热还原制备球形磷酸铁锂的方法 |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102556994A (zh) * | 2011-12-02 | 2012-07-11 | 江西赣锋锂业股份有限公司 | 一种纳米级磷酸铁的制备方法 |
CN102556994B (zh) * | 2011-12-02 | 2013-06-12 | 江西赣锋锂业股份有限公司 | 一种纳米级磷酸铁的制备方法 |
CN103663401A (zh) * | 2012-09-26 | 2014-03-26 | 比亚迪股份有限公司 | 一种磷酸铁粉体的制备方法 |
CN103663401B (zh) * | 2012-09-26 | 2016-03-30 | 比亚迪股份有限公司 | 一种磷酸铁粉体的制备方法 |
JP2014088282A (ja) * | 2012-10-30 | 2014-05-15 | Rin Kagaku Kogyo Kk | リン酸第二鉄含水和物粒子粉末およびその製造方法 |
JP2014088283A (ja) * | 2012-10-30 | 2014-05-15 | Rin Kagaku Kogyo Kk | リン酸第二鉄含水和物粒子粉末及びその製造方法 |
CN103395761A (zh) * | 2013-07-29 | 2013-11-20 | 丁忠华 | 一种处理利用磷化渣成磷酸盐及氧化铁红的方法 |
CN103395761B (zh) * | 2013-07-29 | 2015-02-18 | 丁忠华 | 一种处理利用磷化渣成磷酸盐及氧化铁红的方法 |
CN104129770B (zh) * | 2014-07-14 | 2016-01-20 | 湖北高博科技有限公司 | 一种纳米级磷酸铁及其制备方法 |
CN104129770A (zh) * | 2014-07-14 | 2014-11-05 | 常开军 | 一种纳米级磷酸铁及其制备方法 |
CN105692576A (zh) * | 2016-03-10 | 2016-06-22 | 三峡大学 | 一种利用工业含铁废弃物制备电池级磷酸铁的方法 |
CN105692576B (zh) * | 2016-03-10 | 2017-05-03 | 三峡大学 | 一种利用工业含铁废弃物制备电池级磷酸铁的方法 |
CN107253706A (zh) * | 2017-07-25 | 2017-10-17 | 黄冈林立新能源科技有限公司 | 具有纳米片-微米球二级结构的磷酸铁晶体的制备方法 |
CN108706561A (zh) * | 2018-08-14 | 2018-10-26 | 武汉轻工大学 | 一种利用硫铁矿烧渣制备高纯磷酸铁的方法 |
CN108996755A (zh) * | 2018-08-16 | 2018-12-14 | 深圳市深投环保科技有限公司 | 含铁废水的处理方法及处理系统 |
CN114105115A (zh) * | 2021-11-22 | 2022-03-01 | 青岛九环新越新能源科技股份有限公司 | 磷酸铁及磷酸铁锂的生产方法和应用 |
CN114105115B (zh) * | 2021-11-22 | 2023-09-19 | 青岛九环新越新能源科技股份有限公司 | 磷酸铁及磷酸铁锂的生产方法和应用 |
CN115818605A (zh) * | 2022-12-22 | 2023-03-21 | 曲靖市德方纳米科技有限公司 | 二水磷酸铁及其制备方法、磷酸铁锂正极材料的制备方法 |
CN116143093A (zh) * | 2022-12-27 | 2023-05-23 | 湖北锂宝新材料科技发展有限公司 | 一种利用工业废铁泥制备电池级无水磷酸铁的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN102205953B (zh) | 2012-11-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102205953B (zh) | 一种用于磷酸铁锂电池材料的球形磷酸铁制造方法 | |
US20230322558A1 (en) | Preparation method and application of iron phosphate | |
WO2019104473A1 (zh) | 三元前驱体材料及其制备方法 | |
WO2022267420A1 (zh) | 一种磷酸铁前驱体及其制备方法和应用 | |
CN103946156B (zh) | 金属磷酸盐及其制备方法 | |
CN107522188B (zh) | 纳米球形磷酸铁的制备方法以及由该方法制备的纳米磷酸铁、磷酸铁锂和锂电池 | |
CN101508431A (zh) | 一种均分散球形磷酸铁锂的制备方法 | |
JP2012518594A (ja) | オルトリン酸鉄の製造 | |
TW201036235A (en) | Electrode-active anion-deficient lithium transition-metal phosphate, method for preparing the same, and electrochemical device using the same | |
CN102745662B (zh) | 一种非晶态磷酸铁的制备方法 | |
CN110098406A (zh) | 一种具有高压实密度高容量磷酸铁锂的制备方法 | |
CN101269807A (zh) | 一种高密度球形磷酸铁及其制备方法 | |
CN102126713A (zh) | 一种用于生产锂离子电池正极材料的高纯磷酸铁及其制备方法 | |
GB2621949A (en) | Ferric phosphate, preparation method thereof and application thereof | |
TW201221469A (en) | Manufacturing method for lithium iron phosphate material and lithium iron phosphate powder produced thereby | |
CN105895914A (zh) | 一种磷酸铁二水合物的制备方法 | |
CN108706561A (zh) | 一种利用硫铁矿烧渣制备高纯磷酸铁的方法 | |
CN101640268A (zh) | 一种锂离子电池正极材料磷酸铁锂前驱体磷酸铁的制备方法 | |
CN115477293B (zh) | 一种低杂质高比表面积的无水磷酸铁的制备方法 | |
CN108298513A (zh) | 一种高纯度球形电池级磷酸铁的制备方法 | |
CN104129770A (zh) | 一种纳米级磷酸铁及其制备方法 | |
CN107235478A (zh) | 一种利用钛白粉副产物制备磷酸铁的方法 | |
CN103832991B (zh) | 一种磷酸铁纳米材料的制备方法 | |
CN100348502C (zh) | 一种高纯度四氧化三钴的制造方法 | |
CN102897803B (zh) | 液相法制备磷酸亚铁锂方法中产生母液的回收利用方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A spherical iron phosphate manufacturing method for lithium iron phosphate battery material Effective date of registration: 20220214 Granted publication date: 20121107 Pledgee: Agricultural Bank of China Limited Zhijiang sub branch Pledgor: HUBEI HAOYUAN MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980001539 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230227 Granted publication date: 20121107 Pledgee: Agricultural Bank of China Limited Zhijiang sub branch Pledgor: HUBEI HAOYUAN MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980001539 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A manufacturing method of spherical iron phosphate for lithium iron phosphate battery material Effective date of registration: 20230228 Granted publication date: 20121107 Pledgee: Agricultural Bank of China Limited Zhijiang sub branch Pledgor: HUBEI HAOYUAN MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2023110000082 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20121107 Pledgee: Agricultural Bank of China Limited Zhijiang sub branch Pledgor: HUBEI HAOYUAN MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2023110000082 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A spherical iron phosphate manufacturing method for lithium iron phosphate battery materials Granted publication date: 20121107 Pledgee: Agricultural Bank of China Limited Zhijiang sub branch Pledgor: HUBEI HAOYUAN MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2024980006205 |