CN111446435A - 一种碳包覆硅酸亚铁锂的锂离子电池正极材料及其制法 - Google Patents
一种碳包覆硅酸亚铁锂的锂离子电池正极材料及其制法 Download PDFInfo
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- CN111446435A CN111446435A CN202010333309.8A CN202010333309A CN111446435A CN 111446435 A CN111446435 A CN 111446435A CN 202010333309 A CN202010333309 A CN 202010333309A CN 111446435 A CN111446435 A CN 111446435A
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- lithium ion
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 65
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 64
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 56
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 title claims abstract description 52
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims description 20
- 239000007774 positive electrode material Substances 0.000 title claims description 10
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000010405 anode material Substances 0.000 claims abstract description 33
- 229920000642 polymer Polymers 0.000 claims abstract description 23
- 239000003054 catalyst Substances 0.000 claims abstract description 14
- UBIJTWDKTYCPMQ-UHFFFAOYSA-N hexachlorophosphazene Chemical compound ClP1(Cl)=NP(Cl)(Cl)=NP(Cl)(Cl)=N1 UBIJTWDKTYCPMQ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000010406 cathode material Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000001354 calcination Methods 0.000 claims description 64
- 238000003756 stirring Methods 0.000 claims description 63
- 238000010438 heat treatment Methods 0.000 claims description 47
- 239000002904 solvent Substances 0.000 claims description 37
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- IMHDGJOMLMDPJN-UHFFFAOYSA-N biphenyl-2,2'-diol Chemical compound OC1=CC=CC=C1C1=CC=CC=C1O IMHDGJOMLMDPJN-UHFFFAOYSA-N 0.000 claims description 26
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 24
- 238000001035 drying Methods 0.000 claims description 19
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 17
- 239000004202 carbamide Substances 0.000 claims description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 16
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 16
- 229910000904 FeC2O4 Inorganic materials 0.000 claims description 15
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical group [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 claims description 11
- 238000004321 preservation Methods 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 8
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 8
- 229910001948 sodium oxide Inorganic materials 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 7
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 28
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 18
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052744 lithium Inorganic materials 0.000 abstract description 11
- 238000009792 diffusion process Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 239000003575 carbonaceous material Substances 0.000 abstract description 5
- 239000003792 electrolyte Substances 0.000 abstract description 5
- 230000002708 enhancing effect Effects 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 abstract description 4
- 239000013078 crystal Substances 0.000 abstract description 3
- 238000003411 electrode reaction Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 3
- 230000007847 structural defect Effects 0.000 abstract description 3
- 238000004227 thermal cracking Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 31
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 21
- 239000011248 coating agent Substances 0.000 description 11
- 238000000576 coating method Methods 0.000 description 11
- 239000000047 product Substances 0.000 description 9
- 239000007772 electrode material Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000012265 solid product Substances 0.000 description 8
- 239000012153 distilled water Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 6
- 239000002033 PVDF binder Substances 0.000 description 6
- 239000006230 acetylene black Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 6
- 239000006258 conductive agent Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 239000011888 foil Substances 0.000 description 6
- 238000000227 grinding Methods 0.000 description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000006482 condensation reaction Methods 0.000 description 2
- -1 diaphragm Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 description 2
- 229910052912 lithium silicate Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229920000447 polyanionic polymer Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000007363 ring formation reaction Methods 0.000 description 2
- 229910021583 Cobalt(III) fluoride Inorganic materials 0.000 description 1
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
- SOXJQKKNADFEOW-UHFFFAOYSA-L S(=O)(=O)([O-])[O-].[Fe+2].[Li+] Chemical compound S(=O)(=O)([O-])[O-].[Fe+2].[Li+] SOXJQKKNADFEOW-UHFFFAOYSA-L 0.000 description 1
- PFYQFCKUASLJLL-UHFFFAOYSA-N [Co].[Ni].[Li] Chemical compound [Co].[Ni].[Li] PFYQFCKUASLJLL-UHFFFAOYSA-N 0.000 description 1
- YWJVFBOUPMWANA-UHFFFAOYSA-H [Li+].[V+5].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O Chemical compound [Li+].[V+5].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O YWJVFBOUPMWANA-UHFFFAOYSA-H 0.000 description 1
- YZSKZXUDGLALTQ-UHFFFAOYSA-N [Li][C] Chemical compound [Li][C] YZSKZXUDGLALTQ-UHFFFAOYSA-N 0.000 description 1
- 238000007600 charging Methods 0.000 description 1
- YCYBZKSMUPTWEE-UHFFFAOYSA-L cobalt(ii) fluoride Chemical compound F[Co]F YCYBZKSMUPTWEE-UHFFFAOYSA-L 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 238000002484 cyclic voltammetry Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- SHXXPRJOPFJRHA-UHFFFAOYSA-K iron(iii) fluoride Chemical compound F[Fe](F)F SHXXPRJOPFJRHA-UHFFFAOYSA-K 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
Description
Claims (6)
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CN202010333309.8A CN111446435B (zh) | 2020-04-24 | 2020-04-24 | 一种碳包覆硅酸亚铁锂的锂离子电池正极材料及其制法 |
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CN202010333309.8A CN111446435B (zh) | 2020-04-24 | 2020-04-24 | 一种碳包覆硅酸亚铁锂的锂离子电池正极材料及其制法 |
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CN111446435A true CN111446435A (zh) | 2020-07-24 |
CN111446435B CN111446435B (zh) | 2021-04-09 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112635780A (zh) * | 2020-12-15 | 2021-04-09 | 桐乡市启诚科技合伙企业(有限合伙) | 一种微孔聚合物基氮磷掺杂多孔空心碳球的制备方法及应用 |
CN113151790A (zh) * | 2021-02-05 | 2021-07-23 | 电子科技大学 | 离子/电子共导体薄膜及其制备方法、固态电池及电动车 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102201574A (zh) * | 2011-04-14 | 2011-09-28 | 武汉理工大学 | 一种含氧空位硅酸亚铁锂与碳复合正极材料及制备方法 |
JP2013008483A (ja) * | 2011-06-23 | 2013-01-10 | Taiheiyo Cement Corp | リチウムイオン電池用正極活物質の製造法 |
CN103779559A (zh) * | 2012-10-18 | 2014-05-07 | 上海纳米技术及应用国家工程研究中心有限公司 | 锂离子电池正极材料Li2Mn1-xMxSiO4/C的制备方法 |
CN106006549A (zh) * | 2016-06-30 | 2016-10-12 | 上海电力学院 | 杂原子掺杂中空碳球材料负载贵金属纳米粒子及其制备 |
CN106328905A (zh) * | 2016-11-04 | 2017-01-11 | 中南大学 | 一种珊瑚状氮磷共掺杂碳复合材料的制备方法及其在钠离子电池中的应用 |
CN110931767A (zh) * | 2019-12-19 | 2020-03-27 | 温州涂屋信息科技有限公司 | 一种碳包覆FeCo合金修饰SnO2钠离子电池负极材料及其制法 |
-
2020
- 2020-04-24 CN CN202010333309.8A patent/CN111446435B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102201574A (zh) * | 2011-04-14 | 2011-09-28 | 武汉理工大学 | 一种含氧空位硅酸亚铁锂与碳复合正极材料及制备方法 |
JP2013008483A (ja) * | 2011-06-23 | 2013-01-10 | Taiheiyo Cement Corp | リチウムイオン電池用正極活物質の製造法 |
CN103779559A (zh) * | 2012-10-18 | 2014-05-07 | 上海纳米技术及应用国家工程研究中心有限公司 | 锂离子电池正极材料Li2Mn1-xMxSiO4/C的制备方法 |
CN106006549A (zh) * | 2016-06-30 | 2016-10-12 | 上海电力学院 | 杂原子掺杂中空碳球材料负载贵金属纳米粒子及其制备 |
CN106328905A (zh) * | 2016-11-04 | 2017-01-11 | 中南大学 | 一种珊瑚状氮磷共掺杂碳复合材料的制备方法及其在钠离子电池中的应用 |
CN110931767A (zh) * | 2019-12-19 | 2020-03-27 | 温州涂屋信息科技有限公司 | 一种碳包覆FeCo合金修饰SnO2钠离子电池负极材料及其制法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112635780A (zh) * | 2020-12-15 | 2021-04-09 | 桐乡市启诚科技合伙企业(有限合伙) | 一种微孔聚合物基氮磷掺杂多孔空心碳球的制备方法及应用 |
CN113151790A (zh) * | 2021-02-05 | 2021-07-23 | 电子科技大学 | 离子/电子共导体薄膜及其制备方法、固态电池及电动车 |
CN113151790B (zh) * | 2021-02-05 | 2022-06-07 | 电子科技大学 | 离子/电子共导体薄膜及其制备方法、固态电池及电动车 |
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