JP2011258371A - リチウムイオン電池用電解液の製造方法およびそれを用いたリチウムイオン電池 - Google Patents
リチウムイオン電池用電解液の製造方法およびそれを用いたリチウムイオン電池 Download PDFInfo
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 239000008151 electrolyte solution Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title abstract description 26
- -1 lithium hexafluorophosphate Chemical compound 0.000 claims abstract description 163
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims abstract description 118
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 73
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims abstract description 73
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 239000007787 solid Substances 0.000 claims abstract description 40
- 239000003792 electrolyte Substances 0.000 claims abstract description 29
- 239000011356 non-aqueous organic solvent Substances 0.000 claims abstract description 29
- 239000002904 solvent Substances 0.000 claims abstract description 24
- 239000000460 chlorine Substances 0.000 claims abstract description 17
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 16
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims description 56
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 20
- 239000000047 product Substances 0.000 claims description 20
- 239000000706 filtrate Substances 0.000 claims description 17
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 15
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 14
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 10
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 8
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 150000004651 carbonic acid esters Chemical class 0.000 claims 1
- 238000005868 electrolysis reaction Methods 0.000 claims 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims 1
- 229910052808 lithium carbonate Inorganic materials 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 84
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 36
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 30
- 239000004810 polytetrafluoroethylene Substances 0.000 description 30
- 229910052744 lithium Inorganic materials 0.000 description 26
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 25
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 25
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 25
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 25
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 25
- 238000001914 filtration Methods 0.000 description 20
- 238000000354 decomposition reaction Methods 0.000 description 16
- 239000006185 dispersion Substances 0.000 description 16
- 239000006227 byproduct Substances 0.000 description 12
- WKFBZNUBXWCCHG-UHFFFAOYSA-N phosphorus trifluoride Chemical compound FP(F)F WKFBZNUBXWCCHG-UHFFFAOYSA-N 0.000 description 12
- 230000002411 adverse Effects 0.000 description 11
- 239000012535 impurity Substances 0.000 description 11
- 239000002994 raw material Substances 0.000 description 11
- 230000002378 acidificating effect Effects 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229910052723 transition metal Inorganic materials 0.000 description 8
- OBCUTHMOOONNBS-UHFFFAOYSA-N phosphorus pentafluoride Chemical compound FP(F)(F)(F)F OBCUTHMOOONNBS-UHFFFAOYSA-N 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 150000003624 transition metals Chemical class 0.000 description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000002033 PVDF binder Substances 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 239000007773 negative electrode material Substances 0.000 description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 239000002002 slurry Substances 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
- 239000003575 carbonaceous material Substances 0.000 description 3
- 229920001940 conductive polymer Polymers 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000002905 metal composite material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- GAEKPEKOJKCEMS-UHFFFAOYSA-N gamma-valerolactone Chemical compound CC1CCC(=O)O1 GAEKPEKOJKCEMS-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 229910021382 natural graphite Inorganic materials 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 229910000319 transition metal phosphate Inorganic materials 0.000 description 2
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910014689 LiMnO Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- HFGCNBNCMOCFCE-UHFFFAOYSA-I [F-].[F-].[F-].[F-].[F-].[Li+].[Li+].[Li+].[Li+].[Li+] Chemical compound [F-].[F-].[F-].[F-].[F-].[Li+].[Li+].[Li+].[Li+].[Li+] HFGCNBNCMOCFCE-UHFFFAOYSA-I 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 150000005678 chain carbonates Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000009295 crossflow filtration Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 239000003273 ketjen black Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- UHZYTMXLRWXGPK-UHFFFAOYSA-N phosphorus pentachloride Chemical compound ClP(Cl)(Cl)(Cl)Cl UHZYTMXLRWXGPK-UHFFFAOYSA-N 0.000 description 1
- 239000003495 polar organic solvent Substances 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
- C01D15/005—Lithium hexafluorophosphate
-
- 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
-
- 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
- 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
- H01M10/0566—Liquid materials
- H01M10/0568—Liquid materials characterised by the solutes
-
- 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
- H01M10/0566—Liquid materials
- H01M10/0569—Liquid materials characterised by the solvents
-
- 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)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Secondary Cells (AREA)
Abstract
【解決手段】 非水性有機溶媒中で、三塩化リンと塩素、および塩化リチウムとを反応させ、その後、該溶媒中に生成した反応生成物とフッ化水素とを反応させ、さらにその後、未反応のフッ化水素と塩化リチウムを反応させることにより、ヘキサフルオロリン酸リチウムを電解質としたリチウムイオン電池用電解液を製造する方法において、未反応のフッ化水素と塩化リチウムを反応させた後、さらに濾過液と固体残留物に濾別し、該濾過液をリチウムイオン電池用電解液として得、該固体残留物を非水性有機溶媒中で、三塩化リンと塩素と反応させ、その後、該溶媒中に生成した反応生成物とフッ化水素とを反応させ、さらにその後、未反応のフッ化水素と塩化リチウムを反応させることによりリチウムイオン電池用電解液を製造することを特徴とする、リチウムイオン電池用電解液の製造方法。
【選択図】 なし
Description
次に、生成したヘキサクロロリン酸リチウムのフッ素化を行うため、無水フッ化水素を反応器内に導入する。この時、無水フッ化水素は、ガス状でも液状でも構わない。下記反応式(2)によって目的生成物のヘキサフルオロリン酸リチウムが得られる。
無水フッ化水素の導入量は、中間生成物であるヘキサクロロリン酸リチウムと前反応での過剰分の三塩化リンを合わせた量に対して、モル比で6.01倍mol以上必要である。無水フッ化水素の量が、ヘキサクロロリン酸リチウムと過剰分の三塩化リンの合わせた量と同量もしくは少ないと、ヘキサクロロリン酸リチウムのフッ素化が十分進行せず、部分フッ素化塩素化リン酸リチウムおよび三塩化リンが残存してしまうため、液中の塩素濃度が高くなり、リチウム電池特性に悪影響を及ぼす恐れがある。無水フッ化水素の量がヘキサクロロリン酸リチウムと過剰分の三塩化リンを合わせた量に対してモル比で6.01倍mol以上であると、ヘキサクロロリン酸リチウムは完全にヘキサフルオロリン酸リチウムに反応するばかりではなく、過剰分の三塩化リンも、蒸気圧の高い三フッ化リンへと反応し、後の減圧処理等で容易に除去することが可能となる。このため、無水フッ化水素の量は、ヘキサクロロリン酸リチウムと過剰分の三塩化リンを合わせた量以上導入する必要がある。なお、無水フッ化水素の導入量は原料コストの点から、ヘキサクロロリン酸リチウムと過剰分の三塩化リンを合わせた量の6.01〜7.20倍molの範囲が好ましい。
塩化水素を除去した後、処理液を濾過することで濾過液と固体残留物とに濾別できる。濾別した濾過液は、リチウムイオン電池に使用可能な、高純度のヘキサフルオロリン酸リチウムが溶解した電解液が得られる。
Claims (5)
- 非水性有機溶媒中で、三塩化リンと塩素、および塩化リチウムとを反応させ、その後、該溶媒中に生成した反応生成物とフッ化水素とを反応させ、さらにその後、未反応のフッ化水素と塩化リチウムを反応させることにより、ヘキサフルオロリン酸リチウムを電解質としたリチウムイオン電池用電解液を製造する方法において、未反応のフッ化水素と塩化リチウムを反応させた後、さらに濾過液と固体残留物に濾別し、該濾過液をリチウムイオン電池用電解液として得、該固体残留物を非水性有機溶媒中で、三塩化リンと塩素と反応させ、その後、該溶媒中に生成した反応生成物とフッ化水素とを反応させ、さらにその後、未反応のフッ化水素と塩化リチウムを反応させることによりリチウムイオン電池用電解液を製造することを特徴とする、リチウムイオン電池用電解液の製造方法。
- 請求項1に記載の非水性有機溶媒が、鎖状又は環状の炭酸エステル、または2つ以上の酸素原子を有するエーテル化合物であることを特徴とする、請求項1に記載のリチウムイオン電池用電解液の製造方法。
- 該炭酸エステルが、ジメチルカーボネート、ジエチルカーボネート、メチルエチルカーボネート、エチレンカーボネート、及びプロピレンカーボネートのみから成る群から選択される少なくとも1つであることを特徴とする、請求項2に記載のリチウムイオン電池用電解液の製造方法。
- 該エーテル化合物が、1,2−ジメトキシエタンであることを特徴とする、請求項2に記載のリチウムイオン電池用電解液の製造方法。
- 請求項1〜4のいずれか1項に記載の製造方法で得られた電解液を用いたリチウムイオン電池。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010130980A JP5609283B2 (ja) | 2010-06-08 | 2010-06-08 | リチウムイオン電池用電解液の製造方法およびそれを用いたリチウムイオン電池 |
PCT/JP2011/059700 WO2011155267A1 (ja) | 2010-06-08 | 2011-04-20 | リチウムイオン電池用電解液の製造方法およびその電解液を用いたリチウムイオン電池 |
KR1020137000392A KR101435486B1 (ko) | 2010-06-08 | 2011-04-20 | 리튬 이온 전지용 전해액의 제조 방법 |
CN201180028380.4A CN102934276B (zh) | 2010-06-08 | 2011-04-20 | 锂离子电池用电解液的制造方法和使用该电解液的锂离子电池 |
EP11792225.2A EP2581980B1 (en) | 2010-06-08 | 2011-04-20 | Method for producing electrolyte solution for lithium ion battery, and lithium ion battery using the electrolyte solution |
US13/697,471 US20130071760A1 (en) | 2010-06-08 | 2011-04-20 | Method for Producing Electrolyte Solution for Lithium Ion Battery, and Lithium Ion Battery Using the Electrolyte Solution |
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JP2010130980A JP5609283B2 (ja) | 2010-06-08 | 2010-06-08 | リチウムイオン電池用電解液の製造方法およびそれを用いたリチウムイオン電池 |
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US (1) | US20130071760A1 (ja) |
EP (1) | EP2581980B1 (ja) |
JP (1) | JP5609283B2 (ja) |
KR (1) | KR101435486B1 (ja) |
CN (1) | CN102934276B (ja) |
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JP5862094B2 (ja) * | 2010-08-17 | 2016-02-16 | セントラル硝子株式会社 | ヘキサフルオロリン酸リチウム濃縮液の製造方法 |
JP5845955B2 (ja) * | 2012-02-17 | 2016-01-20 | セントラル硝子株式会社 | ヘキサフルオロリン酸リチウム濃縮液の製造方法 |
JP6945192B2 (ja) * | 2017-03-29 | 2021-10-06 | パナソニックIpマネジメント株式会社 | 非水電解質及び非水電解質二次電池 |
CN115650260B (zh) * | 2022-12-13 | 2023-04-18 | 深圳新宙邦科技股份有限公司 | 一种六氟磷酸锂的制备方法、电解液及锂离子电池 |
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JPH1092468A (ja) * | 1996-09-19 | 1998-04-10 | Central Glass Co Ltd | リチウム電池用電解液及びその精製方法並びにそれを用いたリチウム電池 |
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2010
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2011
- 2011-04-20 EP EP11792225.2A patent/EP2581980B1/en active Active
- 2011-04-20 CN CN201180028380.4A patent/CN102934276B/zh active Active
- 2011-04-20 US US13/697,471 patent/US20130071760A1/en not_active Abandoned
- 2011-04-20 WO PCT/JP2011/059700 patent/WO2011155267A1/ja active Application Filing
- 2011-04-20 KR KR1020137000392A patent/KR101435486B1/ko active IP Right Grant
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JPH1081505A (ja) * | 1996-06-26 | 1998-03-31 | Solvay Fluor & Derivate Gmbh | ヘキサフルオロ燐酸リチウム又はヘキサフルオロ砒酸リチウムの製法 |
JPH1092468A (ja) * | 1996-09-19 | 1998-04-10 | Central Glass Co Ltd | リチウム電池用電解液及びその精製方法並びにそれを用いたリチウム電池 |
JPH11154519A (ja) * | 1997-11-19 | 1999-06-08 | Central Glass Co Ltd | テトラフルオロホウ酸リチウムの精製方法 |
JP2002539059A (ja) * | 1998-08-21 | 2002-11-19 | アトフィナ | 六フッ化燐酸リチウムの製造方法 |
JP2000211907A (ja) * | 1998-12-31 | 2000-08-02 | Ulsan Chemical Co Ltd | 六フッ化リン酸リチウムの製造方法 |
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Also Published As
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KR101435486B1 (ko) | 2014-08-28 |
CN102934276A (zh) | 2013-02-13 |
US20130071760A1 (en) | 2013-03-21 |
CN102934276B (zh) | 2015-04-08 |
JP5609283B2 (ja) | 2014-10-22 |
EP2581980A1 (en) | 2013-04-17 |
WO2011155267A1 (ja) | 2011-12-15 |
KR20130030802A (ko) | 2013-03-27 |
EP2581980A4 (en) | 2014-07-09 |
EP2581980B1 (en) | 2017-10-11 |
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