CN100488937C - 磷酸(亚)铁锂专用草酸亚铁的生产方法 - Google Patents
磷酸(亚)铁锂专用草酸亚铁的生产方法 Download PDFInfo
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- CN100488937C CN100488937C CNB2006100971701A CN200610097170A CN100488937C CN 100488937 C CN100488937 C CN 100488937C CN B2006100971701 A CNB2006100971701 A CN B2006100971701A CN 200610097170 A CN200610097170 A CN 200610097170A CN 100488937 C CN100488937 C CN 100488937C
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- Prior art keywords
- ferrous
- oxalic acid
- inhibitor
- ferrous sulfate
- ferrox
- 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.)
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- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229940062993 ferrous oxalate Drugs 0.000 title abstract description 4
- OWZIYWAUNZMLRT-UHFFFAOYSA-L iron(2+);oxalate Chemical compound [Fe+2].[O-]C(=O)C([O-])=O OWZIYWAUNZMLRT-UHFFFAOYSA-L 0.000 title abstract description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 title description 4
- 229910001386 lithium phosphate Inorganic materials 0.000 title 1
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 title 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 63
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 22
- 235000006408 oxalic acid Nutrition 0.000 claims abstract description 21
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 15
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000005406 washing Methods 0.000 claims abstract description 8
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 6
- LDHBWEYLDHLIBQ-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide;hydrate Chemical compound O.[OH-].[O-2].[Fe+3] LDHBWEYLDHLIBQ-UHFFFAOYSA-M 0.000 claims description 21
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 15
- 239000003112 inhibitor Substances 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 10
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 6
- 229930006000 Sucrose Natural products 0.000 claims description 6
- 239000005720 sucrose Substances 0.000 claims description 6
- 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 5
- 239000008103 glucose Substances 0.000 claims description 5
- 238000002203 pretreatment Methods 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 3
- 150000004676 glycans Chemical class 0.000 claims description 3
- XEEVLJKYYUVTRC-UHFFFAOYSA-N oxomalonic acid Chemical compound OC(=O)C(=O)C(O)=O XEEVLJKYYUVTRC-UHFFFAOYSA-N 0.000 claims description 3
- 229920001282 polysaccharide Polymers 0.000 claims description 3
- 239000005017 polysaccharide Substances 0.000 claims description 3
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000001035 drying Methods 0.000 abstract description 4
- 230000007062 hydrolysis Effects 0.000 abstract description 4
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 4
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 abstract 4
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 16
- 239000000243 solution Substances 0.000 description 12
- 239000002253 acid Substances 0.000 description 11
- 229910021529 ammonia Inorganic materials 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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Abstract
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CNB2006100971701A CN100488937C (zh) | 2006-10-28 | 2006-10-28 | 磷酸(亚)铁锂专用草酸亚铁的生产方法 |
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CNB2006100971701A CN100488937C (zh) | 2006-10-28 | 2006-10-28 | 磷酸(亚)铁锂专用草酸亚铁的生产方法 |
Publications (2)
Publication Number | Publication Date |
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CN1948259A CN1948259A (zh) | 2007-04-18 |
CN100488937C true CN100488937C (zh) | 2009-05-20 |
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CNB2006100971701A Expired - Fee Related CN100488937C (zh) | 2006-10-28 | 2006-10-28 | 磷酸(亚)铁锂专用草酸亚铁的生产方法 |
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Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101311156B (zh) * | 2007-05-22 | 2011-05-25 | 比亚迪股份有限公司 | 一种草酸亚铁的制备方法 |
CN101417941B (zh) * | 2007-10-26 | 2012-01-25 | 比亚迪股份有限公司 | 一种草酸亚铁水合盐晶体的制备方法 |
CN101462944B (zh) * | 2007-12-17 | 2012-12-12 | 比亚迪股份有限公司 | 一种草酸亚铁晶体及其制备方法 |
EP2231514A4 (en) | 2008-04-07 | 2013-04-10 | Byd Co Ltd | PROCESS FOR THE PREPARATION OF AN IRON SOURCE FOR PREPARING LITHIUM FERROUS PHOSPHATE, AND PROCESS FOR PREPARING LITHIUM FERROUS PHOSPHATE |
CN101386575B (zh) * | 2008-07-04 | 2012-06-20 | 合肥国轩高科动力能源有限公司 | 一种草酸亚铁的制备方法 |
CN101580464B (zh) * | 2009-07-07 | 2012-07-25 | 中南大学 | 钛白粉副产物硫酸亚铁生产电池级草酸亚铁的方法 |
CN101811952A (zh) * | 2010-03-31 | 2010-08-25 | 朱辰 | 一种掺杂草酸亚铁的生产方法 |
CN102336646B (zh) * | 2010-07-21 | 2016-01-13 | 宁波杉杉新材料科技有限公司 | 一种草酸亚铁的制备方法 |
CN102344356B (zh) * | 2010-08-05 | 2014-12-17 | 中国科学院宁波材料技术与工程研究所 | 一种电池级纳米草酸亚铁的制备方法 |
CN102225890B (zh) * | 2011-04-30 | 2013-11-20 | 湖北浩元材料科技有限公司 | 一种用于磷酸铁锂材料生产的电池级草酸亚铁制造方法 |
CN103408417A (zh) * | 2013-07-18 | 2013-11-27 | 合肥亚龙化工有限责任公司 | 一种纳米级草酸亚铁的制备方法 |
-
2006
- 2006-10-28 CN CNB2006100971701A patent/CN100488937C/zh not_active Expired - Fee Related
Non-Patent Citations (4)
Title |
---|
The precipitation of Iron(II) and nickle oxalates withalkaline-earth metal oxalates:induction periods, nucleationrates and mechanisms. A. Packteer et. al.Cryst. Res. Technol.,Vol.22 No.3. 1987 |
The precipitation of Iron(II) and nickle oxalates withalkaline-earth metal oxalates:induction periods, nucleationrates and mechanisms. A. Packteer et. al.Cryst. Res. Technol.,Vol.22 No.3. 1987 * |
合成草酸亚铁的反应时间对组成的影响. 孙悦等.辽宁石油化工大学学报,第25卷第4期. 2005 |
合成草酸亚铁的反应时间对组成的影响. 孙悦等.辽宁石油化工大学学报,第25卷第4期. 2005 * |
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CN1948259A (zh) | 2007-04-18 |
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Application publication date: 20070418 Assignee: Hefei Asialon Chemical Co., Ltd. Assignor: Li Chuanyou Contract record no.: 2010340000038 Denomination of invention: Production method of ferrous oxalate special for ferrous lithium phosphate Granted publication date: 20090520 License type: Exclusive License Record date: 20100408 |
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Effective date of registration: 20160614 Address after: 230000 No. 8, Grand Avenue, circular economy demonstration park, Anhui, Hefei Patentee after: Hefei Asialon Chemical Co., Ltd. Address before: 230011 No. 596, Yu Jie Road, Hefei, Anhui Patentee before: Li Chuanyou |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20181028 |