CN111540895B - 锂硫电池正极材料、其制备方法及锂硫电池 - Google Patents
锂硫电池正极材料、其制备方法及锂硫电池 Download PDFInfo
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- CN111540895B CN111540895B CN202010376476.0A CN202010376476A CN111540895B CN 111540895 B CN111540895 B CN 111540895B CN 202010376476 A CN202010376476 A CN 202010376476A CN 111540895 B CN111540895 B CN 111540895B
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- lithium
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- sulfur
- sulfur battery
- positive electrode
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- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000007774 positive electrode material Substances 0.000 title claims description 19
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 40
- 239000002245 particle Substances 0.000 claims abstract description 25
- 239000011247 coating layer Substances 0.000 claims abstract description 22
- 239000011258 core-shell material Substances 0.000 claims abstract description 21
- 239000010406 cathode material Substances 0.000 claims abstract description 20
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 18
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000011593 sulfur Substances 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 6
- 229910052451 lead zirconate titanate Inorganic materials 0.000 claims description 5
- 239000002033 PVDF binder Substances 0.000 claims description 4
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims description 4
- 229910002113 barium titanate Inorganic materials 0.000 claims description 4
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 238000000975 co-precipitation Methods 0.000 claims description 3
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 claims description 3
- UKDIAJWKFXFVFG-UHFFFAOYSA-N potassium;oxido(dioxo)niobium Chemical compound [K+].[O-][Nb](=O)=O UKDIAJWKFXFVFG-UHFFFAOYSA-N 0.000 claims description 3
- 239000002243 precursor Substances 0.000 claims description 3
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 12
- 239000010410 layer Substances 0.000 abstract description 11
- 239000010405 anode material Substances 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 239000005077 polysulfide Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 229920001021 polysulfide Polymers 0.000 abstract description 4
- 150000008117 polysulfides Polymers 0.000 abstract description 4
- 230000005684 electric field Effects 0.000 abstract description 3
- 150000002500 ions Chemical class 0.000 abstract description 3
- 230000005284 excitation Effects 0.000 abstract description 2
- 239000011259 mixed solution Substances 0.000 description 11
- GJEAMHAFPYZYDE-UHFFFAOYSA-N [C].[S] Chemical compound [C].[S] GJEAMHAFPYZYDE-UHFFFAOYSA-N 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000006258 conductive agent Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003917 TEM image Methods 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000009210 therapy by ultrasound Methods 0.000 description 2
- 229910000314 transition metal oxide Inorganic materials 0.000 description 2
- 238000001132 ultrasonic dispersion Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001216 Li2S Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910003473 lithium bis(trifluoromethanesulfonyl)imide Inorganic materials 0.000 description 1
- QSZMZKBZAYQGRS-UHFFFAOYSA-N lithium;bis(trifluoromethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F QSZMZKBZAYQGRS-UHFFFAOYSA-N 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/70—Compounds containing carbon and sulfur, e.g. thiophosgene
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/003—Titanates
- C01G23/006—Alkaline earth titanates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
-
- 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
-
- 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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- 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)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
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CN202010376476.0A CN111540895B (zh) | 2020-05-07 | 2020-05-07 | 锂硫电池正极材料、其制备方法及锂硫电池 |
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CN202010376476.0A CN111540895B (zh) | 2020-05-07 | 2020-05-07 | 锂硫电池正极材料、其制备方法及锂硫电池 |
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CN111540895B true CN111540895B (zh) | 2022-05-10 |
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CN113964294B (zh) * | 2021-10-28 | 2024-04-12 | 西安交通大学 | 一种锂离子电池负极及其制备方法和应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102097622A (zh) * | 2011-01-18 | 2011-06-15 | 中国人民解放军国防科学技术大学 | 含硫正极复合材料、正极片、Li-S二次电池及其制备方法 |
CN105633379A (zh) * | 2016-03-03 | 2016-06-01 | 大连理工大学 | 一种核壳结构碳/硫复合正极材料、制备方法及其应用 |
CN109860580A (zh) * | 2019-02-28 | 2019-06-07 | 蜂巢能源科技有限公司 | 正极材料及其制备方法、正极片和锂硫电池 |
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CN102097622A (zh) * | 2011-01-18 | 2011-06-15 | 中国人民解放军国防科学技术大学 | 含硫正极复合材料、正极片、Li-S二次电池及其制备方法 |
CN105633379A (zh) * | 2016-03-03 | 2016-06-01 | 大连理工大学 | 一种核壳结构碳/硫复合正极材料、制备方法及其应用 |
CN109860580A (zh) * | 2019-02-28 | 2019-06-07 | 蜂巢能源科技有限公司 | 正极材料及其制备方法、正极片和锂硫电池 |
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Address after: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Applicant after: Kaibo Energy Technology Co.,Ltd. Address before: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Applicant before: CHINA AVIATION LITHIUM BATTERY RESEARCH INSTITUTE Co.,Ltd. Address after: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Applicant after: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Address before: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Applicant before: Kaibo Energy Technology Co.,Ltd. |
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