JP2021500697A - 無溶剤の固体電解質 - Google Patents
無溶剤の固体電解質 Download PDFInfo
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- JP2021500697A JP2021500697A JP2020517426A JP2020517426A JP2021500697A JP 2021500697 A JP2021500697 A JP 2021500697A JP 2020517426 A JP2020517426 A JP 2020517426A JP 2020517426 A JP2020517426 A JP 2020517426A JP 2021500697 A JP2021500697 A JP 2021500697A
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- Prior art keywords
- lithium
- polymer
- group
- polymer electrolyte
- polymer matrix
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- Granted
Links
- 239000007784 solid electrolyte Substances 0.000 title description 12
- 229920000642 polymer Polymers 0.000 claims abstract description 67
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical class O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 claims abstract description 41
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 32
- 239000005518 polymer electrolyte Substances 0.000 claims abstract description 31
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 26
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 23
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 20
- 239000011159 matrix material Substances 0.000 claims abstract description 19
- 150000003983 crown ethers Chemical class 0.000 claims abstract description 15
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 13
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims abstract description 11
- MSBXTPRURXJCPF-DQWIULQBSA-N cucurbit[6]uril Chemical compound N1([C@@H]2[C@@H]3N(C1=O)CN1[C@@H]4[C@@H]5N(C1=O)CN1[C@@H]6[C@@H]7N(C1=O)CN1[C@@H]8[C@@H]9N(C1=O)CN([C@H]1N(C%10=O)CN9C(=O)N8CN7C(=O)N6CN5C(=O)N4CN3C(=O)N2C2)C3=O)CN4C(=O)N5[C@@H]6[C@H]4N2C(=O)N6CN%10[C@H]1N3C5 MSBXTPRURXJCPF-DQWIULQBSA-N 0.000 claims abstract description 7
- 230000007774 longterm Effects 0.000 claims abstract description 5
- 229920001940 conductive polymer Polymers 0.000 claims abstract description 4
- 229920000858 Cyclodextrin Polymers 0.000 claims description 43
- 239000000654 additive Substances 0.000 claims description 14
- -1 cyclic crown ether Chemical class 0.000 claims description 14
- 125000000524 functional group Chemical group 0.000 claims description 12
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 11
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 7
- 125000003118 aryl group Chemical group 0.000 claims description 7
- 125000003342 alkenyl group Chemical group 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 125000000304 alkynyl group Chemical group 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 5
- 150000001450 anions Chemical class 0.000 claims description 5
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims description 4
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 4
- 229920001451 polypropylene glycol Polymers 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 3
- 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 claims description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 229920000131 polyvinylidene Polymers 0.000 claims description 3
- 229910015015 LiAsF 6 Inorganic materials 0.000 claims description 2
- 229910013075 LiBF Inorganic materials 0.000 claims description 2
- 229910013063 LiBF 4 Inorganic materials 0.000 claims description 2
- 229910013553 LiNO Inorganic materials 0.000 claims description 2
- 229910013872 LiPF Inorganic materials 0.000 claims description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 claims description 2
- 101150058243 Lipf gene Proteins 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 125000003709 fluoroalkyl group Chemical group 0.000 claims description 2
- 229910003473 lithium bis(trifluoromethanesulfonyl)imide Inorganic materials 0.000 claims description 2
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 claims description 2
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 claims description 2
- VDVLPSWVDYJFRW-UHFFFAOYSA-N lithium;bis(fluorosulfonyl)azanide Chemical compound [Li+].FS(=O)(=O)[N-]S(F)(=O)=O VDVLPSWVDYJFRW-UHFFFAOYSA-N 0.000 claims description 2
- MCVFFRWZNYZUIJ-UHFFFAOYSA-M lithium;trifluoromethanesulfonate Chemical compound [Li+].[O-]S(=O)(=O)C(F)(F)F MCVFFRWZNYZUIJ-UHFFFAOYSA-M 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims 3
- 229910013188 LiBOB Inorganic materials 0.000 claims 1
- LAZAPLSLBNDLDM-UHFFFAOYSA-N [Li].FC(F)F Chemical compound [Li].FC(F)F LAZAPLSLBNDLDM-UHFFFAOYSA-N 0.000 claims 1
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 claims 1
- 229910052783 alkali metal Inorganic materials 0.000 claims 1
- 150000001340 alkali metals Chemical class 0.000 claims 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 1
- 150000001342 alkaline earth metals Chemical class 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- OKVJWADVFPXWQD-UHFFFAOYSA-N difluoroborinic acid Chemical compound OB(F)F OKVJWADVFPXWQD-UHFFFAOYSA-N 0.000 claims 1
- ACFSQHQYDZIPRL-UHFFFAOYSA-N lithium;bis(1,1,2,2,2-pentafluoroethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)C(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)C(F)(F)F ACFSQHQYDZIPRL-UHFFFAOYSA-N 0.000 claims 1
- 125000003431 oxalo group Chemical group 0.000 claims 1
- 229920000915 polyvinyl chloride Polymers 0.000 claims 1
- RIUWBIIVUYSTCN-UHFFFAOYSA-N trilithium borate Chemical compound [Li+].[Li+].[Li+].[O-]B([O-])[O-] RIUWBIIVUYSTCN-UHFFFAOYSA-N 0.000 claims 1
- 230000004048 modification Effects 0.000 abstract description 9
- 238000012986 modification Methods 0.000 abstract description 9
- 229910052493 LiFePO4 Inorganic materials 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 description 13
- 229940097362 cyclodextrins Drugs 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 239000011244 liquid electrolyte Substances 0.000 description 6
- 230000032258 transport Effects 0.000 description 6
- 241001120493 Arene Species 0.000 description 5
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000008103 glucose Substances 0.000 description 5
- 238000011835 investigation Methods 0.000 description 5
- 230000037427 ion transport Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 239000010416 ion conductor Substances 0.000 description 3
- 229920001610 polycaprolactone Chemical group 0.000 description 3
- 239000004632 polycaprolactone Chemical group 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 229920001450 Alpha-Cyclodextrin Polymers 0.000 description 2
- 239000001116 FEMA 4028 Substances 0.000 description 2
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 229940043377 alpha-cyclodextrin Drugs 0.000 description 2
- 229960004853 betadex Drugs 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 229940080345 gamma-cyclodextrin Drugs 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 229920001600 hydrophobic polymer Polymers 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000002608 ionic liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- IEPQGNKWXNDSOS-UHFFFAOYSA-N 1,1,2,3,3,3-hexafluoroprop-1-ene dihydrofluoride Chemical group FC(C(F)=C(F)F)(F)F.F.F IEPQGNKWXNDSOS-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- DEIXAXKIKOHRED-UHFFFAOYSA-N 5-(4-chlorophenyl)-1,2-thiazole Chemical compound C1=CC(Cl)=CC=C1C1=CC=NS1 DEIXAXKIKOHRED-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 229910010710 LiFePO Inorganic materials 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- HFHDHCJBZVLPGP-RWMJIURBSA-N alpha-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO HFHDHCJBZVLPGP-RWMJIURBSA-N 0.000 description 1
- WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 description 1
- 235000011175 beta-cyclodextrine Nutrition 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- VTJUKNSKBAOEHE-UHFFFAOYSA-N calixarene Chemical compound COC(=O)COC1=C(CC=2C(=C(CC=3C(=C(C4)C=C(C=3)C(C)(C)C)OCC(=O)OC)C=C(C=2)C(C)(C)C)OCC(=O)OC)C=C(C(C)(C)C)C=C1CC1=C(OCC(=O)OC)C4=CC(C(C)(C)C)=C1 VTJUKNSKBAOEHE-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- GDSRMADSINPKSL-HSEONFRVSA-N gamma-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO GDSRMADSINPKSL-HSEONFRVSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- VPVSTMAPERLKKM-UHFFFAOYSA-N glycoluril Chemical compound N1C(=O)NC2NC(=O)NC21 VPVSTMAPERLKKM-UHFFFAOYSA-N 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000009878 intermolecular interaction Effects 0.000 description 1
- 230000008863 intramolecular interaction Effects 0.000 description 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004502 linear sweep voltammetry Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- DEUISMFZZMAAOJ-UHFFFAOYSA-N lithium dihydrogen borate oxalic acid Chemical compound B([O-])(O)O.C(C(=O)O)(=O)O.C(C(=O)O)(=O)O.[Li+] DEUISMFZZMAAOJ-UHFFFAOYSA-N 0.000 description 1
- 229910001540 lithium hexafluoroarsenate(V) Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000011987 methylation Effects 0.000 description 1
- 238000007069 methylation reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001542 oligosaccharide Polymers 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000007745 plasma electrolytic oxidation reaction Methods 0.000 description 1
- 229920002627 poly(phosphazenes) Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000000707 stereoselective effect Effects 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000005463 sulfonylimide group Chemical group 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 238000004832 voltammetry 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0009—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid alpha-D-Glucans, e.g. polydextrose, alternan, glycogen; (alpha-1,4)(alpha-1,6)-D-Glucans; (alpha-1,3)(alpha-1,4)-D-Glucans, e.g. isolichenan or nigeran; (alpha-1,4)-D-Glucans; (alpha-1,3)-D-Glucans, e.g. pseudonigeran; Derivatives thereof
- C08B37/0012—Cyclodextrin [CD], e.g. cycle with 6 units (alpha), with 7 units (beta) and with 8 units (gamma), large-ring cyclodextrin or cycloamylose with 9 units or more; Derivatives thereof
- C08B37/0015—Inclusion compounds, i.e. host-guest compounds, e.g. polyrotaxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/007—Polyrotaxanes; Polycatenanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/20—Manufacture of shaped structures of ion-exchange resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
- C08L5/16—Cyclodextrin; Derivatives thereof
-
- 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
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
- H01M2300/0082—Organic polymers
-
- 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)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Conductive Materials (AREA)
- Hybrid Cells (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
・α−シクロデキストリン:n=グルコース分子6個(空洞直径/高さ:4.7〜5.3Å/7.9Å)
・β−シクロデキストリン:n=グルコース分子7個(空洞直径/高さ:6.0〜6.5Å/7.9Å)
・γ−シクロデキストリン:n=グルコース分子8個(空洞直径/高さ:7.5〜8.3Å/7.9Å)
が区別される。
本発明の範囲において、化学修飾ポリロタキサンが、有利にはリチウムイオン電池のための乾燥固体電解質として、すなわち無溶剤のポリマー電解質として使用するのに適していることが判明した。
この場合に、ポリロタキサンの環状分子、特にこれまでに使用されていたシクロデキストリン並びにクラウンエーテル及び別の大環状分子、例えばピラー[n]アレーン(n=5〜10)、ククルビットウリル又はカリックス[n]アレーン(n=4〜8)に本発明による修飾がなされる。
輸率を改善するために、本発明によれば、添加されるリチウム塩のアニオンをポリマー側基に化学結合させることで、リチウムイオンが唯一の移動化学種である単一イオン伝導体が生ずる。
過塩素酸リチウム(LiClO4)、
ヘキサフルオロリン酸リチウム(LiPF6)、
テトラフルオロホウ酸リチウム(LiBF4)、
ヘキサフルオロヒ酸(V)リチウム(LiAsF6)、
トリフルオロメタンスルホン酸リチウム(LiCF3SO3)、
リチウムビストリフルオロメチルスルホニルイミド(LiN(CF3SO2)3)、
ビス(オキサラト)ホウ酸リチウム(LiBOB)、
オキサリルジフルオロホウ酸リチウム(LiBF2C2O4)、
硝酸リチウム(LiNO3)、
フルオロアルキルリン酸リチウム(LiPF3(CF2CF3)3)、
リチウムビスペルフルオロエチルスルホニルイミド(LiBETI)、
リチウムビス(トリフルオロメタンスルホニル)イミド、
リチウムビス(フルオロスルホニル)イミド、
リチウムトリフルオロメタンスルホンイミド(LiTFSI)、
又はこれらの塩の任意の組合せ
が、本発明によるポリマー電解質中で使用するのに適している。
ポリプロピレンオキシド(PPO)、
ポリアクリロニトリル(PAN)、
ポリメチルメタクリレート(PMMA)、
ポリビニリデンジフルオリド(PVDF)、
ポリ塩化ビニル(PVC)、
ポリジメチルシロキサン(PDMS)及び
ポリビニリデンジフルオリド−ヘキサフルオロプロピレン(PVDF−HFP)、
並びにこれらの添加剤の誘導体及び/又はこれらの添加剤の任意の組合せ
を挙げることができる。
さらに、本発明を、例、図面、及び表に基づきより詳細に説明するが、それが広い保護範囲の限定をもたらすべきではない。
対応するシクロデキストリンを、溶剤中に溶解させ、その溶液を0℃に冷却する。引き続き、水素化ナトリウムを過剰に添加し、その溶液を室温で30分間撹拌する。さらに0℃で、次の工程においてヨウ化メチルをゆっくり添加する。最後に、生じた生成物を精製し、乾燥させる。
修飾シクロデキストリンの飽和溶液を製造する。さらに、ポリエチレンオキシド及びLiTFSIからの溶液(ポリマー繰り返し単位とLi塩との比率5:1)を製造する。引き続き、両方の溶液を一緒にし、生じた析出物を分離し、洗浄し、そして乾燥させた。
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Claims (19)
- リチウムイオン伝導性のポリマーマトリックスとリチウム塩とを含み、
− 前記ポリマーマトリックスが、少なくとも1つの線状ポリマーと少なくとも1つの環状分子とを含む少なくとも1つのポリロタキサンを有し、
− 前記リチウム塩が、前記ポリマーマトリックス中に配置されており、少なくとも部分的に前記ポリマーマトリックスに化学結合されている、
再充電可能なリチウムイオン二次電池に使用するための無溶剤のポリマー電解質であって、
− 前記ポリマーマトリックスが、完全に又は部分的に化学修飾されたシクロデキストリン、クラウンエーテル、ピラー[n]アレーン(n=5〜10)、ククルビットウリル又はカリックス[n]アレーン(n=4〜8)を環状分子として有する、少なくとも1つのポリロタキサンを有することを特徴とする、
無溶剤のポリマー電解質。 - 前記ポリマーマトリックスのポリロタキサンが、線状ポリマー、特にポリエチレンオキシドを有する、請求項1に記載のポリマー電解質。
- 前記ポリマーマトリックスのポリロタキサンが、分子量が500g/mol〜10000g/molの間の線状ポリマーを有する、請求項1又は2に記載のポリマー電解質。
- 前記ポリマーマトリックスのポリロタキサンが、存在するヒドロキシル基が官能基で部分的に又は完全に修飾されている少なくとも1つの環状シクロデキストリンを有する、請求項1〜3のいずれか一つに記載のポリマー電解質。
- 前記シクロデキストリンに存在するヒドロキシル基が、アルキル基、アリール基、アルケニル基、アルキニル基(Cn、ここでn≦5)で、或いは最大20個の繰り返し単位を有する短鎖ポリマー基で、部分的に又は完全に修飾されている、請求項4に記載のポリマー電解質。
- 前記ポリマーマトリックスのポリロタキサンが少なくとも1つの環状クラウンエーテルを有し、前記環状クラウンエーテルにおいて、骨格が部分的に又は完全に修飾された官能基を有する、請求項1〜3のいずれか一つに記載のポリマー電解質。
- 前記クラウンエーテルの骨格が、アルキル基、アリール基、アルケニル基、アルキニル基(Cn、ここでn≦5)で、或いは最大20個の繰り返し単位を有する短鎖ポリマー基で、部分的に又は完全に修飾されている、請求項6に記載のポリマー電解質。
- 前記リチウム塩のアニオンが、最大20個の繰り返し単位を有する短鎖ポリマー側基に化学結合されている、請求項1〜7のいずれか一つに記載のポリマー電解質。
- 25℃で少なくとも10−4S/cmのイオン伝導率を有する、請求項1〜8のいずれか一つに記載のポリマー電解質。
- 前記ポリロタキサンの重量を基準として1〜5重量%の重量割合で、ポリ(エチレンオキシド)(PEO)、ポリ(プロピレンオキシド)(PPO)、ポリ(アクリロニトリル)(PAN)、ポリ(メチルメタクリレート)(PMMA)、ポリ(ビニリデンジフルオリド)(PVDF)、ポリ塩化ビニル、ポリジメチルシロキサン及びポリ(ビニリデンジフルオリド)−ヘキサフルオロプロピレン(PVDF−HFP)、並びにこれらの添加剤の誘導体及び/又はこれらの添加剤の任意の組合せの群から選択される、少なくとも1種の追加の添加剤を含む、請求項1〜9のいずれか一つに記載のポリマー電解質。
- 過塩素酸リチウム(LiClO4)、ヘキサフルオロリン酸リチウム(LiPF6)、テトラフルオロホウ酸リチウム(LiBF4)、ヘキサフルオロヒ酸(V)リチウム(LiAsF6)、トリフルオロメタンスルホン酸リチウム(LiCF3SO3)、リチウムビストリフルオロメチルスルホニルイミド(LiN(CF3SO2)2)、ビス(オキサラト)ホウ酸リチウム(LiBOB)、オキサリルジフルオロホウ酸リチウム(LiBF2C2O4)、硝酸リチウム(LiNO3)、フルオロアルキルリン酸リチウム(LiPF3(CF2CF3)3)、リチウムビスペルフルオロエチルスルホニルイミド(LiBETI)、リチウムビス(トリフルオロメタンスルホニル)イミド、リチウムビス(フルオロスルホニル)イミド、リチウムトリフルオロメタンスルホンイミド(LiTFSI)の群から選択されるリチウム塩、又はこれらの塩の任意の組合せを含む、請求項1〜10のいずれか一つに記載のポリマー電解質。
- 前記線状ポリマーの少なくとも幾らかの末端が、嵩高い大きな基によって修飾されている、請求項1〜11のいずれか一つに記載のポリマー電解質。
- 請求項1〜12のいずれか一つに記載の無溶剤のポリマー電解質を含む少なくとも1つの層を有する多層系。
- アノードと、カソードと、請求項1〜12のいずれか一つに記載の無溶剤の乾燥ポリマー電解質とを備える、又は請求項13に記載の多層系を備える、リチウム二次電池。
- リチウムイオン電池、充電可能なリチウム金属電池、リチウム硫黄電池若しくはリチウム空気電池、アルカリ金属電池若しくはアルカリ土類金属電池、又はアルミニウム金属電池を含む、請求項14に記載のリチウム二次電池。
- 少なくとも1Cのレートでの急速充電能を有する、請求項14又は15に記載のリチウム二次電池。
- 少なくとも1Cの充放電電流で、少なくとも200サイクルにわたり少なくとも110mAh/gの比容量で安定な長期間サイクル過程を有する、請求項14〜16のいずれか一つに記載のリチウム二次電池。
- 最初の充放電サイクルにおいて少なくとも96%のクーロン効率を有する、請求項14〜17のいずれか一つに記載のリチウム二次電池。
- Li/Li+に対する少なくとも4.6Vの酸化安定性を有する、請求項14〜18のいずれか一つに記載のリチウム二次電池。
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