CN105609776A - 一种石墨烯/二氧化钛空心球/硫复合材料的制备方法 - Google Patents
一种石墨烯/二氧化钛空心球/硫复合材料的制备方法 Download PDFInfo
- Publication number
- CN105609776A CN105609776A CN201610095299.2A CN201610095299A CN105609776A CN 105609776 A CN105609776 A CN 105609776A CN 201610095299 A CN201610095299 A CN 201610095299A CN 105609776 A CN105609776 A CN 105609776A
- Authority
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- Prior art keywords
- graphene
- titanium dioxide
- composite material
- hollow
- sulfur
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- Granted
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 68
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 43
- 239000002131 composite material Substances 0.000 title claims abstract description 37
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 34
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 229910052717 sulfur Inorganic materials 0.000 title abstract description 6
- 239000011593 sulfur Substances 0.000 title abstract description 6
- 239000000725 suspension Substances 0.000 claims abstract description 26
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims abstract description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims abstract description 13
- 238000001132 ultrasonic dispersion Methods 0.000 claims abstract description 11
- 235000019270 ammonium chloride Nutrition 0.000 claims abstract description 10
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 claims abstract description 10
- 239000002904 solvent Substances 0.000 claims abstract description 10
- 229910000348 titanium sulfate Inorganic materials 0.000 claims abstract description 10
- 238000005406 washing Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract 2
- 239000005864 Sulphur Substances 0.000 claims description 21
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000005077 polysulfide Substances 0.000 abstract description 3
- 229920001021 polysulfide Polymers 0.000 abstract description 3
- 150000008117 polysulfides Polymers 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract 3
- 238000001035 drying Methods 0.000 abstract 2
- 238000004090 dissolution Methods 0.000 abstract 1
- 235000019441 ethanol Nutrition 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 description 10
- GLNWILHOFOBOFD-UHFFFAOYSA-N lithium sulfide Chemical class [Li+].[Li+].[S-2] GLNWILHOFOBOFD-UHFFFAOYSA-N 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000004087 circulation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 125000004646 sulfenyl group Chemical group S(*)* 0.000 description 2
- 229910001216 Li2S Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910003473 lithium bis(trifluoromethanesulfonyl)imide Inorganic materials 0.000 description 1
- 229910001416 lithium ion 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
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 238000011160 research Methods 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
- H01M4/58—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
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- 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
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 | |
首次循环后放电比容量 | 1240mAh/g | 1250mAh/g | 1220mAh/g | 1250mAh/g | 1230mAh/g |
100次循环后放电比容量 | 1150mAh/g | 1130mAh/g | 1100mAh/g | 1150mAh/g | 1130mAh/g |
Claims (4)
Priority Applications (1)
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CN201610095299.2A CN105609776B (zh) | 2016-02-21 | 2016-02-21 | 一种石墨烯/二氧化钛空心球/硫复合材料的制备方法 |
Applications Claiming Priority (1)
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CN201610095299.2A CN105609776B (zh) | 2016-02-21 | 2016-02-21 | 一种石墨烯/二氧化钛空心球/硫复合材料的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN105609776A true CN105609776A (zh) | 2016-05-25 |
CN105609776B CN105609776B (zh) | 2018-10-30 |
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CN201610095299.2A Active CN105609776B (zh) | 2016-02-21 | 2016-02-21 | 一种石墨烯/二氧化钛空心球/硫复合材料的制备方法 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107403923A (zh) * | 2017-07-25 | 2017-11-28 | 王月兰 | 一种硫锂电池及其正极改性材料 |
CN107742706A (zh) * | 2017-10-11 | 2018-02-27 | 哈尔滨工业大学 | 一种石墨烯复合金属硼化物和硫复合纳米材料的制备方法及其应用 |
CN108767203A (zh) * | 2018-03-28 | 2018-11-06 | 浙江天能能源科技股份有限公司 | 一种二氧化钛纳米管-石墨烯-硫复合材料及其制备方法和应用 |
CN108963224A (zh) * | 2018-07-16 | 2018-12-07 | 杭州电子科技大学 | 一种用于锂硫电池正极的复合材料的制备方法 |
CN109037657A (zh) * | 2018-08-18 | 2018-12-18 | 复旦大学 | 一种锂硫电池正极材料及其制备方法 |
CN109411719A (zh) * | 2018-09-28 | 2019-03-01 | 湖北大学 | 碳化钛/二氧化钛-硫的三元复合正极材料及其制备方法、应用和锂硫电池 |
CN109616649A (zh) * | 2018-12-10 | 2019-04-12 | 湖南泰和美新能源科技有限公司 | 锂硫电池正极材料及其制备方法 |
Citations (2)
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---|---|---|---|---|
CN102569761A (zh) * | 2010-12-08 | 2012-07-11 | 中国科学院金属研究所 | 二氧化钛∕石墨烯纳米复合材料及其制备方法和应用 |
CN104201392A (zh) * | 2014-08-20 | 2014-12-10 | 中南大学 | 一种锂硫电池电极的制备方法 |
-
2016
- 2016-02-21 CN CN201610095299.2A patent/CN105609776B/zh active Active
Patent Citations (2)
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CN102569761A (zh) * | 2010-12-08 | 2012-07-11 | 中国科学院金属研究所 | 二氧化钛∕石墨烯纳米复合材料及其制备方法和应用 |
CN104201392A (zh) * | 2014-08-20 | 2014-12-10 | 中南大学 | 一种锂硫电池电极的制备方法 |
Non-Patent Citations (2)
Title |
---|
NA LI ET AL: "Battery performance and photocatalytic activity of mesoporous anatase TiO2 nanosphere/grapheme composites by template-free self-assembly", 《ADVANCED FUNCTIONAL MATERIALS》 * |
ZHI WEI SHE ET AL: "Sulphur-TiO2 yolk-shell nanoarchitecture with internal void space for long-cycle lithium-sulphur batteries", 《NATURE COMMUNICATIONS》 * |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107403923A (zh) * | 2017-07-25 | 2017-11-28 | 王月兰 | 一种硫锂电池及其正极改性材料 |
CN107742706A (zh) * | 2017-10-11 | 2018-02-27 | 哈尔滨工业大学 | 一种石墨烯复合金属硼化物和硫复合纳米材料的制备方法及其应用 |
CN107742706B (zh) * | 2017-10-11 | 2020-06-05 | 哈尔滨工业大学 | 一种石墨烯复合金属硼化物和硫复合纳米材料的制备方法及其应用 |
CN108767203A (zh) * | 2018-03-28 | 2018-11-06 | 浙江天能能源科技股份有限公司 | 一种二氧化钛纳米管-石墨烯-硫复合材料及其制备方法和应用 |
CN108963224A (zh) * | 2018-07-16 | 2018-12-07 | 杭州电子科技大学 | 一种用于锂硫电池正极的复合材料的制备方法 |
CN108963224B (zh) * | 2018-07-16 | 2020-07-07 | 杭州电子科技大学 | 一种用于锂硫电池正极的复合材料的制备方法 |
CN109037657A (zh) * | 2018-08-18 | 2018-12-18 | 复旦大学 | 一种锂硫电池正极材料及其制备方法 |
CN109411719A (zh) * | 2018-09-28 | 2019-03-01 | 湖北大学 | 碳化钛/二氧化钛-硫的三元复合正极材料及其制备方法、应用和锂硫电池 |
CN109411719B (zh) * | 2018-09-28 | 2021-11-12 | 湖北大学 | 碳化钛/二氧化钛-硫的三元复合正极材料及其制备方法、应用和锂硫电池 |
CN109616649A (zh) * | 2018-12-10 | 2019-04-12 | 湖南泰和美新能源科技有限公司 | 锂硫电池正极材料及其制备方法 |
CN109616649B (zh) * | 2018-12-10 | 2021-08-24 | 湖南泰和美新能源科技有限公司 | 锂硫电池正极材料及其制备方法 |
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