CN107834104B - 一种复合固态电解质及其制备方法以及在全固态锂电池中的应用 - Google Patents
一种复合固态电解质及其制备方法以及在全固态锂电池中的应用 Download PDFInfo
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- CN107834104B CN107834104B CN201711314128.5A CN201711314128A CN107834104B CN 107834104 B CN107834104 B CN 107834104B CN 201711314128 A CN201711314128 A CN 201711314128A CN 107834104 B CN107834104 B CN 107834104B
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- polyvinylidene fluoride
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- 239000007784 solid electrolyte Substances 0.000 title claims abstract description 47
- 239000002131 composite material Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 229910052744 lithium Inorganic materials 0.000 title claims description 33
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims description 24
- 239000003792 electrolyte Substances 0.000 claims abstract description 40
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 35
- 239000002033 PVDF binder Substances 0.000 claims abstract description 32
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 32
- 239000002105 nanoparticle Substances 0.000 claims abstract description 28
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 23
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 23
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000002002 slurry Substances 0.000 claims description 27
- -1 lithium bis (trifluoromethanesulfonate) imide Chemical class 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 15
- 238000007605 air drying Methods 0.000 claims description 12
- 238000001291 vacuum drying Methods 0.000 claims description 12
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 10
- 229920000131 polyvinylidene Polymers 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000007774 positive electrode material Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000010416 ion conductor Substances 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000006258 conductive agent Substances 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000011268 mixed slurry Substances 0.000 claims 1
- 239000011259 mixed solution Substances 0.000 claims 1
- 239000005279 LLTO - Lithium Lanthanum Titanium Oxide Substances 0.000 abstract description 5
- 229910000664 lithium aluminum titanium phosphates (LATP) Inorganic materials 0.000 abstract description 5
- 238000006479 redox reaction Methods 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 22
- 239000000243 solution Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 229910052748 manganese Inorganic materials 0.000 description 6
- 239000011572 manganese Substances 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 239000010954 inorganic particle Substances 0.000 description 4
- 229910021450 lithium metal oxide Inorganic materials 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000006104 solid solution Substances 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 3
- 229910001486 lithium perchlorate Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 2
- 229910006210 Li1+xAlxTi2-x(PO4)3 Inorganic materials 0.000 description 2
- 229910006212 Li1+xAlxTi2−x(PO4)3 Inorganic materials 0.000 description 2
- 229910002984 Li7La3Zr2O12 Inorganic materials 0.000 description 2
- 229910010092 LiAlO2 Inorganic materials 0.000 description 2
- 229910015013 LiAsF Inorganic materials 0.000 description 2
- 229910013075 LiBF Inorganic materials 0.000 description 2
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- 229910010710 LiFePO Inorganic materials 0.000 description 2
- 229910013191 LiMO2 Inorganic materials 0.000 description 2
- 229910013410 LiNixCoyAlzO2 Inorganic materials 0.000 description 2
- 229910013706 LiNixMnyCozO2 (NMC) Inorganic materials 0.000 description 2
- 229910013872 LiPF Inorganic materials 0.000 description 2
- 101150058243 Lipf gene Proteins 0.000 description 2
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 229910010252 TiO3 Inorganic materials 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910002113 barium titanate Inorganic materials 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000003949 imides Chemical class 0.000 description 2
- 238000004502 linear sweep voltammetry Methods 0.000 description 2
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 2
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 description 2
- IHLVCKWPAMTVTG-UHFFFAOYSA-N lithium;carbanide Chemical compound [Li+].[CH3-] IHLVCKWPAMTVTG-UHFFFAOYSA-N 0.000 description 2
- SBWRUMICILYTAT-UHFFFAOYSA-K lithium;cobalt(2+);phosphate Chemical compound [Li+].[Co+2].[O-]P([O-])([O-])=O SBWRUMICILYTAT-UHFFFAOYSA-K 0.000 description 2
- MCVFFRWZNYZUIJ-UHFFFAOYSA-M lithium;trifluoromethanesulfonate Chemical compound [Li+].[O-]S(=O)(=O)C(F)(F)F MCVFFRWZNYZUIJ-UHFFFAOYSA-M 0.000 description 2
- 229910000473 manganese(VI) oxide Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000009210 therapy by ultrasound Methods 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910009160 xLi2S Inorganic materials 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000552 LiCF3SO3 Inorganic materials 0.000 description 1
- 229910010941 LiFSI Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229920000891 common polymer Polymers 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009791 electrochemical migration reaction Methods 0.000 description 1
- 239000002001 electrolyte material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- VDVLPSWVDYJFRW-UHFFFAOYSA-N lithium;bis(fluorosulfonyl)azanide Chemical compound [Li+].FS(=O)(=O)[N-]S(F)(=O)=O VDVLPSWVDYJFRW-UHFFFAOYSA-N 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- 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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
-
- 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
-
- 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)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Conductive Materials (AREA)
- Battery Electrode And Active Subsutance (AREA)
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CN102208680A (zh) * | 2011-05-05 | 2011-10-05 | 中国东方电气集团有限公司 | 凝胶电解质及其制备方法、和相应的正极、锂硫电池 |
CN103199301A (zh) * | 2013-01-23 | 2013-07-10 | 浙江地坤键新能源科技有限公司 | 基于固态聚合物电解质的复合凝胶聚合物电解质及其制备方法与应用 |
CN106654365A (zh) * | 2013-01-23 | 2017-05-10 | 浙江地坤键新能源科技有限公司 | 基于固态聚合物电解质的复合凝胶聚合物电解质及其制备方法与应用 |
CN106654363A (zh) * | 2017-01-17 | 2017-05-10 | 北京科技大学 | 一种复合固态聚合物电解质及全固态锂电池 |
CN107369848A (zh) * | 2017-07-14 | 2017-11-21 | 北京化工大学 | 一种三明治结构的复合电解质及其制备方法 |
CN107346833A (zh) * | 2017-08-30 | 2017-11-14 | 清陶(昆山)能源发展有限公司 | 一种复合固态聚合物电解质薄膜及其制备方法 |
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