CN105609735A - 一种石墨烯/钛酸锂包覆的硫化锂复合材料的制备方法 - Google Patents
一种石墨烯/钛酸锂包覆的硫化锂复合材料的制备方法 Download PDFInfo
- Publication number
- CN105609735A CN105609735A CN201610094702.XA CN201610094702A CN105609735A CN 105609735 A CN105609735 A CN 105609735A CN 201610094702 A CN201610094702 A CN 201610094702A CN 105609735 A CN105609735 A CN 105609735A
- Authority
- CN
- China
- Prior art keywords
- lithium
- lithium sulfide
- titanate
- graphene
- ethanolic solution
- 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.)
- Granted
Links
- GLNWILHOFOBOFD-UHFFFAOYSA-N lithium sulfide Chemical compound [Li+].[Li+].[S-2] GLNWILHOFOBOFD-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 48
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 43
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 29
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 36
- 238000003756 stirring Methods 0.000 claims abstract description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000011261 inert gas Substances 0.000 claims abstract description 22
- 238000000498 ball milling Methods 0.000 claims abstract description 18
- 239000000725 suspension Substances 0.000 claims abstract description 15
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims abstract description 9
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 27
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 14
- 239000002904 solvent Substances 0.000 claims description 14
- 238000001704 evaporation Methods 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 230000035484 reaction time Effects 0.000 claims description 6
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 abstract description 3
- 239000011593 sulfur Substances 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 235000019441 ethanol Nutrition 0.000 abstract 4
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 abstract 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- 239000000908 ammonium hydroxide Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000002243 precursor Substances 0.000 abstract 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 abstract 1
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 description 12
- 210000004027 cell Anatomy 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 6
- 125000004646 sulfenyl group Chemical group S(*)* 0.000 description 6
- 239000005864 Sulphur Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910001216 Li2S Inorganic materials 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active 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
- 238000006253 efflorescence Methods 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 2
- 206010037844 rash Diseases 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 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
- 239000010405 anode material Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002482 conductive additive Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000007599 discharging 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
- 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
- 239000002086 nanomaterial Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 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
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
-
- 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
- H01M4/581—Chalcogenides or intercalation compounds thereof
- H01M4/5815—Sulfides
-
- 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
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 | 910mAh/g | 900mAh/g | 920mAh/g | 900mAh/g | 890mAh/g |
100次循环后放电比容量 | 840mAh/g | 830mAh/g | 850mAh/g | 820mAh/g | 800mAh/g |
Claims (6)
Priority Applications (1)
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CN201610094702.XA CN105609735B (zh) | 2016-02-21 | 2016-02-21 | 一种石墨烯/钛酸锂包覆的硫化锂复合材料的制备方法 |
Applications Claiming Priority (1)
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CN201610094702.XA CN105609735B (zh) | 2016-02-21 | 2016-02-21 | 一种石墨烯/钛酸锂包覆的硫化锂复合材料的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN105609735A true CN105609735A (zh) | 2016-05-25 |
CN105609735B CN105609735B (zh) | 2018-08-14 |
Family
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CN201610094702.XA Expired - Fee Related CN105609735B (zh) | 2016-02-21 | 2016-02-21 | 一种石墨烯/钛酸锂包覆的硫化锂复合材料的制备方法 |
Country Status (1)
Country | Link |
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CN (1) | CN105609735B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017139995A1 (zh) * | 2016-02-21 | 2017-08-24 | 肖丽芳 | 石墨烯/钛酸锂包覆的硫化锂复合材料的制备方法 |
CN114843476A (zh) * | 2022-05-20 | 2022-08-02 | 重庆大学 | 一种v3s4@c/g复合电极材料的制备方法及其应用 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102376937A (zh) * | 2010-08-18 | 2012-03-14 | 中国科学院金属研究所 | 一种纳米钛酸锂/石墨烯复合负极材料及其制备方法 |
CN102683659A (zh) * | 2012-05-31 | 2012-09-19 | 中国科学院物理研究所 | 一种锂-硫电池正极材料及其制备方法 |
CN103296251A (zh) * | 2013-05-27 | 2013-09-11 | 浙江大学 | 钛酸锂包覆硫复合的锂离子电池正极材料的制备方法 |
CN103515587A (zh) * | 2012-06-19 | 2014-01-15 | 海洋王照明科技股份有限公司 | 钛酸锂-石墨烯复合材料、锂离子电池的制备方法 |
-
2016
- 2016-02-21 CN CN201610094702.XA patent/CN105609735B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102376937A (zh) * | 2010-08-18 | 2012-03-14 | 中国科学院金属研究所 | 一种纳米钛酸锂/石墨烯复合负极材料及其制备方法 |
CN102683659A (zh) * | 2012-05-31 | 2012-09-19 | 中国科学院物理研究所 | 一种锂-硫电池正极材料及其制备方法 |
CN103515587A (zh) * | 2012-06-19 | 2014-01-15 | 海洋王照明科技股份有限公司 | 钛酸锂-石墨烯复合材料、锂离子电池的制备方法 |
CN103296251A (zh) * | 2013-05-27 | 2013-09-11 | 浙江大学 | 钛酸锂包覆硫复合的锂离子电池正极材料的制备方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017139995A1 (zh) * | 2016-02-21 | 2017-08-24 | 肖丽芳 | 石墨烯/钛酸锂包覆的硫化锂复合材料的制备方法 |
CN114843476A (zh) * | 2022-05-20 | 2022-08-02 | 重庆大学 | 一种v3s4@c/g复合电极材料的制备方法及其应用 |
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CN105609735B (zh) | 2018-08-14 |
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