CN107275625B - 一种锰和钛共掺杂改性硅酸铁锂正极材料制备方法 - Google Patents
一种锰和钛共掺杂改性硅酸铁锂正极材料制备方法 Download PDFInfo
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- CN107275625B CN107275625B CN201710608113.3A CN201710608113A CN107275625B CN 107275625 B CN107275625 B CN 107275625B CN 201710608113 A CN201710608113 A CN 201710608113A CN 107275625 B CN107275625 B CN 107275625B
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- 239000011572 manganese Substances 0.000 title claims abstract description 77
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 15
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 229910052748 manganese Inorganic materials 0.000 title claims abstract description 12
- 239000007774 positive electrode material Substances 0.000 title claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000004090 dissolution Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000010453 quartz Substances 0.000 claims abstract description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000013313 FeNO test Methods 0.000 claims abstract description 11
- 229920002472 Starch Polymers 0.000 claims abstract description 11
- 235000019698 starch Nutrition 0.000 claims abstract description 11
- 239000008107 starch Substances 0.000 claims abstract description 11
- 239000008367 deionised water Substances 0.000 claims abstract description 8
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 8
- 238000001694 spray drying Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 7
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 7
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 7
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 7
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 7
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 239000010936 titanium Substances 0.000 claims description 62
- 229910052909 inorganic silicate Inorganic materials 0.000 claims description 51
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 15
- 239000013078 crystal Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- 230000003213 activating effect Effects 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000000047 product Substances 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 208000011580 syndromic disease Diseases 0.000 claims 1
- 238000005303 weighing Methods 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 7
- 238000001035 drying Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 45
- 229910009731 Li2FeSiO4 Inorganic materials 0.000 description 18
- 229910001416 lithium ion Inorganic materials 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 10
- 239000002245 particle Substances 0.000 description 10
- 238000003786 synthesis reaction Methods 0.000 description 10
- 239000000243 solution Substances 0.000 description 9
- 235000012239 silicon dioxide Nutrition 0.000 description 8
- 229910009693 Li2Fe1-xMnxSiO4 Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000005518 electrochemistry Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 238000013019 agitation Methods 0.000 description 4
- 239000010405 anode material Substances 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002401 inhibitory effect Effects 0.000 description 4
- 238000003760 magnetic stirring Methods 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- 238000009210 therapy by ultrasound Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- ZNDKHNUDMXNQMF-UHFFFAOYSA-N [Li].[Fe].[Si](O)(O)(O)O Chemical class [Li].[Fe].[Si](O)(O)(O)O ZNDKHNUDMXNQMF-UHFFFAOYSA-N 0.000 description 1
- 238000000627 alternating current impedance spectroscopy Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
- 229910000326 transition metal silicate Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
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Priority Applications (1)
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CN201710608113.3A CN107275625B (zh) | 2017-07-24 | 2017-07-24 | 一种锰和钛共掺杂改性硅酸铁锂正极材料制备方法 |
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CN201710608113.3A CN107275625B (zh) | 2017-07-24 | 2017-07-24 | 一种锰和钛共掺杂改性硅酸铁锂正极材料制备方法 |
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CN107275625A CN107275625A (zh) | 2017-10-20 |
CN107275625B true CN107275625B (zh) | 2019-11-08 |
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Families Citing this family (4)
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CN108807988B (zh) * | 2018-07-25 | 2021-04-20 | 四川理工学院 | 一种锂离子电池用球形硅酸亚铁锂正极材料的制备方法 |
CN109133080B (zh) * | 2018-08-29 | 2020-12-15 | 郑忆依 | 一种掺杂型硼酸铁的制备工艺 |
CN108928828B (zh) * | 2018-09-21 | 2020-05-26 | 郑忆依 | 一种掺杂钛锰的硅酸铁的制备方法 |
CN115732636B (zh) * | 2022-09-26 | 2023-10-31 | 江苏正力新能电池技术有限公司 | 硅负极材料、硅负极片及其应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1907844A (zh) * | 2006-08-11 | 2007-02-07 | 广州市鹏辉电池有限公司 | 高密度超微复合型磷酸铁锂正极材料及制备方法 |
CN104103836A (zh) * | 2014-07-02 | 2014-10-15 | 三峡大学 | 一种钠和锰共掺杂改性硅酸铁锂正极材料及其制备方法 |
CN104300147A (zh) * | 2013-07-17 | 2015-01-21 | 东莞市长安东阳光铝业研发有限公司 | 一种磷酸铁锂正极材料的制备方法 |
-
2017
- 2017-07-24 CN CN201710608113.3A patent/CN107275625B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1907844A (zh) * | 2006-08-11 | 2007-02-07 | 广州市鹏辉电池有限公司 | 高密度超微复合型磷酸铁锂正极材料及制备方法 |
CN104300147A (zh) * | 2013-07-17 | 2015-01-21 | 东莞市长安东阳光铝业研发有限公司 | 一种磷酸铁锂正极材料的制备方法 |
CN104103836A (zh) * | 2014-07-02 | 2014-10-15 | 三峡大学 | 一种钠和锰共掺杂改性硅酸铁锂正极材料及其制备方法 |
Non-Patent Citations (1)
Title |
---|
硅酸铁锂正极材料的Ti掺杂改性及熔盐合成工艺研究;江小涛;《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》;20170415;第B015-57页 * |
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