WO2003031453A1 - Procede de production de compose a base d'ester borique, compose pour dispositif electrochimique et batterie secondaire - Google Patents
Procede de production de compose a base d'ester borique, compose pour dispositif electrochimique et batterie secondaire Download PDFInfo
- Publication number
- WO2003031453A1 WO2003031453A1 PCT/JP2002/010049 JP0210049W WO03031453A1 WO 2003031453 A1 WO2003031453 A1 WO 2003031453A1 JP 0210049 W JP0210049 W JP 0210049W WO 03031453 A1 WO03031453 A1 WO 03031453A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- compound
- formula
- borate
- group
- compound represented
- Prior art date
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- -1 ester compound Chemical class 0.000 title claims abstract description 163
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000003792 electrolyte Substances 0.000 title claims description 72
- 230000008569 process Effects 0.000 title abstract description 5
- 150000001875 compounds Chemical class 0.000 claims abstract description 152
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 claims abstract description 25
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 16
- 150000002148 esters Chemical class 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 70
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 62
- 229910052796 boron Inorganic materials 0.000 claims description 62
- 239000004327 boric acid Substances 0.000 claims description 42
- 238000004519 manufacturing process Methods 0.000 claims description 38
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 33
- 125000004432 carbon atom Chemical group C* 0.000 claims description 20
- 238000004821 distillation Methods 0.000 claims description 16
- 229920000642 polymer Polymers 0.000 claims description 16
- 125000005702 oxyalkylene group Chemical group 0.000 claims description 15
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 14
- 238000005886 esterification reaction Methods 0.000 claims description 11
- 238000003109 Karl Fischer titration Methods 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- HOSGXJWQVBHGLT-UHFFFAOYSA-N 6-hydroxy-3,4-dihydro-1h-quinolin-2-one Chemical group N1C(=O)CCC2=CC(O)=CC=C21 HOSGXJWQVBHGLT-UHFFFAOYSA-N 0.000 claims description 6
- 230000032050 esterification Effects 0.000 claims description 6
- 239000005518 polymer electrolyte Substances 0.000 abstract description 32
- 239000000463 material Substances 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 8
- 239000003990 capacitor Substances 0.000 abstract description 4
- 150000001639 boron compounds Chemical class 0.000 abstract description 2
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 55
- 235000010338 boric acid Nutrition 0.000 description 47
- 229960002645 boric acid Drugs 0.000 description 46
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 42
- 235000019441 ethanol Nutrition 0.000 description 38
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- 230000000052 comparative effect Effects 0.000 description 28
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- 150000002500 ions Chemical class 0.000 description 18
- 150000003839 salts Chemical class 0.000 description 18
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 description 17
- 239000000243 solution Substances 0.000 description 15
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- 239000007858 starting material Substances 0.000 description 14
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- 229910001416 lithium ion Inorganic materials 0.000 description 11
- 238000012719 thermal polymerization Methods 0.000 description 11
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 10
- 150000008040 ionic compounds Chemical class 0.000 description 10
- 229910052744 lithium Inorganic materials 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
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- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 6
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- 229910052810 boron oxide Inorganic materials 0.000 description 6
- 239000011261 inert gas Substances 0.000 description 6
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- 239000007774 positive electrode material Substances 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
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- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
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- YXVFYQXJAXKLAK-UHFFFAOYSA-N biphenyl-4-ol Chemical compound C1=CC(O)=CC=C1C1=CC=CC=C1 YXVFYQXJAXKLAK-UHFFFAOYSA-N 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 4
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 4
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- 125000006353 oxyethylene group Chemical group 0.000 description 4
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 4
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
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- 229910052784 alkaline earth metal Inorganic materials 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
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- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 3
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- 239000011521 glass Substances 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 3
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- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 2
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 description 2
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- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 2
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- HGOUNPXIJSDIKV-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)butyl 2-methylprop-2-enoate Chemical compound CCC(CO)(CO)COC(=O)C(C)=C HGOUNPXIJSDIKV-UHFFFAOYSA-N 0.000 description 1
- QRIMLDXJAPZHJE-UHFFFAOYSA-N 2,3-dihydroxypropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(O)CO QRIMLDXJAPZHJE-UHFFFAOYSA-N 0.000 description 1
- OWPUOLBODXJOKH-UHFFFAOYSA-N 2,3-dihydroxypropyl prop-2-enoate Chemical group OCC(O)COC(=O)C=C OWPUOLBODXJOKH-UHFFFAOYSA-N 0.000 description 1
- TXHZNLCKXHJYNX-UHFFFAOYSA-N 2-[2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl 2-methylprop-2-enoate Chemical compound COCCOCCOCCOCCOCCOCCOCCOCCOCCOC(=O)C(C)=C TXHZNLCKXHJYNX-UHFFFAOYSA-N 0.000 description 1
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 1
- 125000001731 2-cyanoethyl group Chemical group [H]C([H])(*)C([H])([H])C#N 0.000 description 1
- CYEJMVLDXAUOPN-UHFFFAOYSA-N 2-dodecylphenol Chemical compound CCCCCCCCCCCCC1=CC=CC=C1O CYEJMVLDXAUOPN-UHFFFAOYSA-N 0.000 description 1
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- XDVOLDOITVSJGL-UHFFFAOYSA-N 3,7-dihydroxy-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound O1B(O)OB2OB(O)OB1O2 XDVOLDOITVSJGL-UHFFFAOYSA-N 0.000 description 1
- WAMSYGKBBZDZJD-UHFFFAOYSA-N 4-ethylfuran-2-ol Chemical compound CCC1=COC(O)=C1 WAMSYGKBBZDZJD-UHFFFAOYSA-N 0.000 description 1
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- QHPQWRBYOIRBIT-UHFFFAOYSA-N 4-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C=C1 QHPQWRBYOIRBIT-UHFFFAOYSA-N 0.000 description 1
- OZAIFHULBGXAKX-VAWYXSNFSA-N AIBN Substances N#CC(C)(C)\N=N\C(C)(C)C#N OZAIFHULBGXAKX-VAWYXSNFSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004386 Erythritol Substances 0.000 description 1
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- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical group CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 1
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- JPYHHZQJCSQRJY-UHFFFAOYSA-N Phloroglucinol Natural products CCC=CCC=CCC=CCC=CCCCCC(=O)C1=C(O)C=C(O)C=C1O JPYHHZQJCSQRJY-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- MTCFGRXMJLQNBG-UHFFFAOYSA-N Serine Natural products OCC(N)C(O)=O MTCFGRXMJLQNBG-UHFFFAOYSA-N 0.000 description 1
- BGNXCDMCOKJUMV-UHFFFAOYSA-N Tert-Butylhydroquinone Chemical compound CC(C)(C)C1=CC(O)=CC=C1O BGNXCDMCOKJUMV-UHFFFAOYSA-N 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- GCNKJQRMNYNDBI-UHFFFAOYSA-N [2-(hydroxymethyl)-2-(2-methylprop-2-enoyloxymethyl)butyl] 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(CO)(CC)COC(=O)C(C)=C GCNKJQRMNYNDBI-UHFFFAOYSA-N 0.000 description 1
- APZPSKFMSWZPKL-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(CO)(CO)CO APZPSKFMSWZPKL-UHFFFAOYSA-N 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229920001893 acrylonitrile styrene Polymers 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001339 alkali metal compounds Chemical group 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000005250 alkyl acrylate group Chemical group 0.000 description 1
- 125000005233 alkylalcohol group Chemical group 0.000 description 1
- 125000005529 alkyleneoxy group Chemical group 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- XTKDAFGWCDAMPY-UHFFFAOYSA-N azaperone Chemical compound C1=CC(F)=CC=C1C(=O)CCCN1CCN(C=2N=CC=CC=2)CC1 XTKDAFGWCDAMPY-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- LLEMOWNGBBNAJR-UHFFFAOYSA-N biphenyl-2-ol Chemical compound OC1=CC=CC=C1C1=CC=CC=C1 LLEMOWNGBBNAJR-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000005619 boric acid group Chemical group 0.000 description 1
- YMEKEHSRPZAOGO-UHFFFAOYSA-N boron triiodide Chemical compound IB(I)I YMEKEHSRPZAOGO-UHFFFAOYSA-N 0.000 description 1
- BRTALTYTFFNPAC-UHFFFAOYSA-N boroxin Chemical group B1OBOBO1 BRTALTYTFFNPAC-UHFFFAOYSA-N 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000006182 cathode active material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical class [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 229940021013 electrolyte solution Drugs 0.000 description 1
- UNXHWFMMPAWVPI-ZXZARUISSA-N erythritol Chemical compound OC[C@H](O)[C@H](O)CO UNXHWFMMPAWVPI-ZXZARUISSA-N 0.000 description 1
- 235000019414 erythritol Nutrition 0.000 description 1
- 229940009714 erythritol Drugs 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 125000003976 glyceryl group Chemical group [H]C([*])([H])C(O[H])([H])C(O[H])([H])[H] 0.000 description 1
- 125000003827 glycol group Chemical group 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 229960001867 guaiacol Drugs 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 230000033444 hydroxylation Effects 0.000 description 1
- 238000005805 hydroxylation reaction Methods 0.000 description 1
- 238000002847 impedance measurement Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000010416 ion conductor Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- LRDFRRGEGBBSRN-UHFFFAOYSA-N isobutyronitrile Chemical compound CC(C)C#N LRDFRRGEGBBSRN-UHFFFAOYSA-N 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- CXHHBNMLPJOKQD-UHFFFAOYSA-M methyl carbonate Chemical compound COC([O-])=O CXHHBNMLPJOKQD-UHFFFAOYSA-M 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- REOJLIXKJWXUGB-UHFFFAOYSA-N mofebutazone Chemical group O=C1C(CCCC)C(=O)NN1C1=CC=CC=C1 REOJLIXKJWXUGB-UHFFFAOYSA-N 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- PCILLCXFKWDRMK-UHFFFAOYSA-N naphthalene-1,4-diol Chemical compound C1=CC=C2C(O)=CC=C(O)C2=C1 PCILLCXFKWDRMK-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 125000005064 octadecenyl group Chemical group C(=CCCCCCCCCCCCCCCCC)* 0.000 description 1
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- VGTPKLINSHNZRD-UHFFFAOYSA-N oxoborinic acid Chemical compound OB=O VGTPKLINSHNZRD-UHFFFAOYSA-N 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- QBDSZLJBMIMQRS-UHFFFAOYSA-N p-Cumylphenol Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=CC=C1 QBDSZLJBMIMQRS-UHFFFAOYSA-N 0.000 description 1
- LPNBBFKOUUSUDB-UHFFFAOYSA-M p-toluate Chemical compound CC1=CC=C(C([O-])=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-M 0.000 description 1
- 229950000688 phenothiazine Drugs 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 description 1
- 229960001553 phloroglucinol Drugs 0.000 description 1
- 150000004714 phosphonium salts Chemical group 0.000 description 1
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- VGTPCRGMBIAPIM-UHFFFAOYSA-M sodium thiocyanate Chemical compound [Na+].[S-]C#N VGTPCRGMBIAPIM-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
- 150000003509 tertiary alcohols Chemical class 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- NHDIQVFFNDKAQU-UHFFFAOYSA-N tripropan-2-yl borate Chemical compound CC(C)OB(OC(C)C)OC(C)C NHDIQVFFNDKAQU-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 125000002256 xylenyl group Chemical class C1(C(C=CC=C1)C)(C)* 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/02—Boron compounds
- C07F5/04—Esters of boric acids
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/321—Polymers modified by chemical after-treatment with inorganic compounds
- C08G65/328—Polymers modified by chemical after-treatment with inorganic compounds containing other elements
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/331—Polymers modified by chemical after-treatment with organic compounds containing oxygen
- C08G65/332—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof
- C08G65/3322—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof acyclic
-
- 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
- H01M10/0565—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
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
-
- 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
Definitions
- the present invention relates to a method for producing a boric acid ester compound of a compound having an oxyalkylene group, an electrolyte for an electrochemical device using the borate compound or a polymer thereof, and a secondary battery.
- a lithium ion secondary battery generally has a structure in which a metal oxide is used as a positive electrode, a carbon material or the like is used as a negative electrode, and a separator and an electrolyte are interposed between the electrodes. This is a secondary battery with a high energy density and has been put to practical use, but further improvements in performance are now desired.
- 4,337,478 proposes a solid electrolyte in which an alkali metal salt or an alkaline earth metal salt is dissolved in polyalkylenoxide. Since the dissolution of the salts takes time, the work efficiency is poor, the ionic conductivity is insufficient, and the contact resistance with the electrode material is still high. If the ion conductivity is insufficient and the contact resistance is high, the current density during charging and discharging cannot be obtained sufficiently, and it cannot be applied to applications requiring a large current, and the application is limited. It will be done.
- poly (meth) acrylate is used as a main chain and a side chain and / or a polymer in which a polyalkylene glycol chain is introduced as a cross-linked chain.
- Many solid electrolytes in which a lithium metal salt or an alkaline earth metal salt is dissolved have been proposed.
- Japanese Patent Publication No. 3-73081 discloses an alkali metal salt or an alkaline earth metal salt dissolved in an acryloyl-modified polyalkylene oxide.
- Japanese Patent Application Laid-Open No. 11-54151 is disclosed.
- Japanese Patent Laid-Open Publication No. 2001-555441 proposes an electrolyte using a trifunctional boron compound such as a boroxine ring that captures anion of the metal salt.
- the boron-containing compounds used to obtain these compounds include orthoboric acid and acids. Boron iodide is used. In this case, water is eliminated during the reaction, and the obtained compound also has the property of being easily hydrolyzed by water. Very difficult to remove. For this reason, it is unavoidable that water remains in the obtained compound, which may be an obstacle when used as an electrolyte substrate.
- JP-A-2001-72876 and JP-A-2001-72877 propose electrolytes of boron-containing compounds. In order to obtain these compounds, Borane is mentioned as a base material for boron used in the process.
- borane has a very high activity and exhibits flammability by itself in the air, so it is difficult to handle in producing boron-containing compounds, and it is used for the reaction with compounds having polymerizable groups. In such a case, the polymerizable group may be damaged.
- borate compounds can be obtained by reacting an alcohol with boric acid or boric anhydride. That is, when an alcohol and boric acid are used, the equation is as shown in equation [1], and when an alcohol and boric anhydride are used, the equation is as shown in equation [2].
- the azeotropic dehydrating agent such as benzene is usually used, and water in the reaction solution generated in the reaction is sequentially removed, so that the equilibrium in the above equation becomes right.
- a method of recovering the target material has been adopted.
- the equilibrium of the formula [1] is extremely deviated to the left, the dehydration efficiency becomes worse as the reaction rate increases, and there is a limit to water reduction.
- the reaction rate can be increased, and there is an advantage in dehydration efficiency.However, it has an alcohol having a large molecular weight and a polymerizable group which may cause polymerization when the temperature is increased. In alcohol, it is difficult to evaporate, and it will remain in the system. If such a compound having a hydroxyl group remains in the system, the performance may be significantly deteriorated depending on the use of the electrochemical device.
- Japanese Patent Application Laid-Open No. Hei 3-74390 discloses that a reaction solution containing boric acid ester and boric acid is obtained by reacting boron oxide with an aliphatic alcohol, and from the reaction solution.
- a method of distilling the filtrate after filtering off boric acid is disclosed. As described above, if the boric acid is distilled without being filtered, the decomposition of boric acid esters and boric acid is promoted, and the yield of the target substance is recovered. It is indicated that the rate is reduced.
- this method is limited to compounds that can filter boric acid and that can be purified by distillation, such as boric acid ester compounds of aliphatic alcohols.
- a borate ester containing such a large amount of impurities is used as an electrolyte raw material, there is a possibility of deteriorating electrolyte characteristics such as an increase in electrode coating resistance, a decrease in charge / discharge cycle characteristics, and a decrease in potential stability. There is a problem when it is high.
- impurities contained in the boric ester compound react with lithium and gas is highly likely to be generated, which poses a problem when battery safety is reduced. is there.
- the present invention provides a method for producing a borate compound having high ionic conductivity and excellent in safety, which is useful as a material for electrochemical devices such as secondary batteries and capacitors, and has a low water content and low impurities.
- An object of the present invention is to provide a polymer electrolyte containing the same and a secondary battery using the same.
- the present invention is as follows.
- (A) a method for producing a borate ester compound, comprising subjecting a compound represented by the formula (1) to boric acid esterification using a boron-containing compound represented by the formula (2);
- X is a residue of a compound having 1 to 6 hydroxyl groups, a group selected from an acryloyl group and a methacryloyl group
- AO is an oxy group having 2 to 4 carbon atoms.
- An alkylene group, n is from 0 to 600, a is from 1 to 6, and nxa is from 0 to 600.
- R is an alkyl group having 1 to 4 carbon atoms.
- R is an alkyl group having 1 to 4 carbon atoms.
- Y is a group selected from an acryloyl group, a methacryloyl group and an alkyl group having 1 to 4 carbon atoms, at least one of which is an acryloyl group or a methacryloyl group.
- AO is an oxyalkylene group having 2 to 4 carbon atoms, and p is 1 to 600.
- X is a residue selected from a residue of a compound having 1 to 6 hydroxyl groups, an acryloyl group and a methyl acryloyl group.
- the residue of the compound having a hydroxyl group is a group obtained by removing the hydroxyl group from each compound.
- Examples of the oxyalkylene group having 2 to 4 carbon atoms represented by A 0 in the formula (1) include an oxyethylene group, an oxypropylene group, an oxybutylene group, an oxytetramethylene group, and the like. Or an oxypropylene group. These may be used alone or in combination of two or more kinds. When two or more kinds are used, the polymerization form may be either block-shaped or random.
- n is the average number of moles of the added oxyalkylene group having 2 to 4 carbon atoms, and is 0 to 600. For the purpose of obtaining ionic conductivity, it is preferably from 1 to 200, more preferably from 1 to 100. If it exceeds 600, the amount of boron introduced is small, and it becomes difficult to exhibit the ability to capture yin when used as an electrolyte.
- a is 1 to 6, preferably 1 to 4, and particularly preferably 1.
- nxa is from 0 to 600, preferably from 1 to 400, and more preferably from 1 to 200. When it exceeds 600, the introduction amount of borate ester bond becomes small, and it becomes difficult to exhibit the ability to capture anion. Therefore, it is difficult to obtain high ion conductivity.
- the compound represented by the formula (1) serving as a substrate of the borate compound in the present invention can be obtained by ordinary ring-opening polymerization.
- compounds having 1 to 6 hydroxyl groups include alkali metal compounds such as sodium hydroxide, lithium hydroxide, lithium hydroxide, sodium methoxide, and boron trifluoride etherate.
- C2-C4 alkyleneoxy such as ethylene oxide, propylene oxide, butylene oxide and tetrahydrofuran using a ring-opening polymerization catalyst such as Lewis acid such as benzene, tin tetrachloride and aluminum trichloride.
- Lewis acid such as benzene, tin tetrachloride and aluminum trichloride.
- Compounds having 1 to 6 hydroxyl groups represented by X in the formula (1) include, for example, methyl alcohol, ethyl alcohol, propyl alcohol, isopropyl alcohol, n-butyl alcohol, and 2-butyl alcohol.
- diols such as resorcinol, 4-t-butyl catechol, and 2_t-butylhydroquinone; glycerin, trimethylolpropane, pentaerythritol monomethacrylate, pentayl erythritol monoacrylate, diglyme Triols such as serine monomethacrylate, diglycerin monoatalylate, and phloroglucinol; pentrals such as pentaerythritol and diglycerin; and tetraols such as triglycerin All; hexaol such as tetraglycerin and dipentaerythritol.
- glycerin trimethylolpropane
- pentaerythritol monomethacrylate pentayl erythritol monoacrylate
- diglyme Triols such as serine monomethacrylate, diglycerin monoatalylate,
- X is preferably methyl alcohol, ethylene glycol, propylene glycol, butylene glycol, acrylic acid 2—hydroxy Ethyl, methacrylic acid 2—hydroxyxyl, atalylic acid 2—hydroxypropyl, methacrylic acid 2—hydroxypropyl, glycerol monomethacrylate and glycerol monoacrylate residues, ⁇ It is a cryloyl group.
- the compound represented by the formula (1) has an atalyloyl group or a methyroyl group, so that the heat load is reduced. It is preferable because it can be produced in a small amount and does not impair the polymerizable group.
- the compound represented by the formula (1) preferably has a number-average molecular weight of 110 or more, more preferably 110-30,000, in number average molecular weight.
- the average molecular weight is 110 or more
- the compound represented by the formula (1) can be sufficiently retained in the reaction solution, so that the reaction rate can be increased. Further, the above-mentioned distillation is preferable because the distillate can be easily recovered and used.
- the compound represented by the formula (1) can be used alone or in combination of two or more. When two or more kinds are used, the hydroxyl value of the mixture is preferably 430 or less.
- the compound represented by the formula (1) has a low water content in advance, and a water content of 0.5% by weight or less is preferable.
- a water content of 0.5% by weight or less is preferable.
- R represents a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, a 2-butyl group, an isobutyl group, a t-butyl group.
- Examples include a monobutyl group.
- the boron-containing compound represented by the formula (2) can be used alone or in combination of two or more. However, it is preferable to use only one boron-containing compound because distillation control and raw material recovery / purification are simple.
- a boron-containing compound represented by the formula (2) is added to the compound represented by the formula (1), and the mixture is heated at 30 to 200 ° C. under an inert gas atmosphere.
- a borate ester exchange reaction is performed.
- the formed alcohol represented by the formula (3) is removed under atmospheric pressure or under a pressure of an inert gas atmosphere under a pressure of 0.013 kPa, and the borate ester exchange reaction proceeds. Let it.
- the reaction temperature is preferably from 50 to 200 ° C, more preferably from 60 to 150 ° C. In this case, it is preferable to ventilate an appropriate amount of nitrogen gas into the reactor.
- the reaction temperature is low, the progress of the borate ester exchange reaction due to the removal of low molecular alcohol which is eliminated is slowed, and when the temperature is higher than 200 ° C, the compound represented by the formula (1) is likely to be thermally degraded. .
- the reaction temperature is preferably 30 to 120 ° C, more preferably 60 to 90 ° C. ° C. In this case, it is preferable to ventilate a suitable amount of dry air into the reactor.
- the reaction temperature is low, the progress of the borate ester exchange reaction is slowed by the removal of low molecular alcohol which is eliminated, and when the temperature is higher than 20 ° C, it is difficult to retain the (meth) acryloyl group. There is.
- the pressure during the reaction can be determined as appropriate depending on the temperature, the type of the boron-containing compound represented by the formula (2), and the like, but is in the range of 0.013 kPa from the pressurization of the inert gas atmosphere. It is preferable. If the pressure is lower than 0.013 kPa, it is difficult to sufficiently keep the boron-containing compound represented by the formula (2) in the reaction solution, and the pressure is higher than the pressure in an inert gas atmosphere or higher than the atmospheric pressure. When removing the alcohol represented by the formula (3), the temperature may be too high, which may cause thermal degradation of the compound. In order to increase the purity of the borate compound of the present invention, finally, 0.013 to 6
- reaction conditions may be changed within the range shown above as the reaction proceeds.
- the reaction time is 0.5 to 100 hours, preferably 2 to 50 hours. In addition, conditions and equipment can be selected so that the reaction is completed in this time. If the time is shorter than 0.5 hours, it may be difficult to remove the low-molecular alcohol represented by the formula (3). If the time exceeds 100 hours, the compound represented by the formula (1) and the boric acid formed may be difficult to remove. Deterioration of the ester is likely to proceed.
- the reaction time is 2 to 30 hours to suppress the polymerization reaction of the (meth) acryloyl group.
- the compound represented by the formula (1) and the compound represented by the formula (2) are mixed in a predetermined amount, and dried under a dry air or inert gas atmosphere. Mixing for 5 to 5 hours is preferred. Thereafter, it is preferable to remove volatile components at 60 to 120 ° C. under a reduced pressure of 6.67 kPa or less.
- the dry air flowing into the system during the reaction is not particularly limited, but is preferably dried by a condensing type air dryer or the like.
- the water content in the gas must be low, for example, the dew point is ⁇ 10 ° C. or less.
- the boron-containing compound represented by the formula (2) used in the present invention is converted into a compound represented by the formula (3) by a transesterification reaction with a hydroxyl group-containing compound represented by the formula (1) during the borate esterification reaction.
- the indicated low molecular alcohol is produced.
- the boron-containing compound represented by the formula (2) is trimethyl borate
- the low-molecular alcohol represented by the formula (3) is a methyl alcohol.
- the low-molecular alcohol represented by the formula (3) also contains two or more kinds. This is a method in which a boron-containing compound represented by the formula (2) is added to the compound represented by the formula (1) to carry out the reaction.
- the compound represented by the formula (3) is formed thereafter or simultaneously with the reaction.
- a borate compound By distilling the low-molecular-weight alcohol and the boron-containing compound represented by the formula (2), a borate compound can be obtained. Distillation is usually distinguished from simple distillation and rectification, but the distillation performed in the present invention includes not only simple distillation but also rectification.
- the production method in the present invention is a method for producing a high-purity borate compound using the equilibrium reaction represented by the formula [3].
- borate esters are formed.
- the ratio of borate esterification can be arbitrarily adjusted depending on the reaction temperature, reaction time, molar ratio of hydroxyl group to boron atom, etc., and preferably the reaction rate is 50 to 100%, more preferably 6 to 100%. It is a boric acid ester compound in the range of 5 to 100%.
- the temperature is preferably 30 to 200 t: and the pressure is preferably in the range of 0.13 kPa from the pressure of an inert gas atmosphere under pressure, and 0.10 to 11 kPa. More preferably, it is in the range of 0 kPa. If the pressure is out of this range, special equipment may be required and distillation control may be difficult.
- the amount of the compound represented by the formula (2) relative to the compound represented by the formula (1) used in the reaction is 1 mole of the hydroxyl group of the compound represented by the formula (1) or the amount of the boron-containing compound represented by the formula (2).
- the compound is preferably at least 1/3 mole.
- the amount of the boron-containing compound represented by the formula (2) is more preferably 0.5 per mole of the hydroxyl group of the compound represented by the formula (1). Mol or more, and more preferably 0.67 mol or more.
- the amount of the boron-containing compound represented by the formula (2) needs to be considered in consideration of the structure, molecular weight, and the like of the compound represented by the formula (1).
- the compound represented by the formula (1) has a high molecular weight
- the amount of the compound represented by the formula (2) is small, the mixture may become a solid, The response may not be high enough.
- the upper limit of the amount of the boron-containing compound represented by the formula (2) is not particularly limited, but is usually at most 80% by weight based on the total weight of the reaction solution. Even if a larger amount is used, it is difficult to obtain further effects only by increasing the distillation time.
- Distillation can be performed by further adding a boron-containing compound represented by the formula (2).
- a boron-containing compound represented by the formula (2) can be added at a time or continuously or intermittently as time elapses.
- the above reaction can be carried out without requiring a catalyst.
- a low-reactivity alcohol such as tertiary alcohol
- sodium or potassium can be used as a catalyst in order to obtain a sufficient reaction rate, but in order to simplify purification.
- no catalyst is used.
- a solvent that does not contribute to the borate esterification reaction can be used as appropriate.
- Aprotic solvents are preferred, and specific examples thereof include hexane, heptane, benzene, toluene, xylene and the like. When these solvents are used, the effect of reducing the distillation ratio of the boron-containing compound represented by the formula (2) is exhibited, and the amount of the boron-containing compound represented by the formula (2) can be reduced.
- BHT G-t-butyl hydroxy toluene
- polymerization inhibitor such as phenothiazine, etc. 20 to 100 p
- an antioxidant such as BHT can be used in an amount of 1 to 100 ppm for preventing oxidation.
- the borate ester compound obtained by the production method of the present invention does not need to be particularly purified, but can be subjected to various purifications without impairing the effects of the present invention. Processing, extraction, distillation, recrystallization, drying, etc. can be performed. Since the borate compound is a highly hydrolyzable compound, the above treatment is preferably performed under conditions that do not absorb moisture or hydrolyze.For example, when treating with an adsorbent, a heat-dried adsorbent may be used. I like it.
- the borate compound obtained by the production method of the present invention has a water content of not more than 1000 ppm, preferably not more than 90 ppm, and more preferably not more than 900 ppm by a Karl Fischer titration method. Is less than 35 O ppm, particularly preferably less than 100 ppm.
- the water content by the titration method can be performed by the following method. Except for the following conditions, the measurement shall be performed in accordance with Japanese Industrial Standard JISK1555.76.5.
- Water content is measured by volumetric titration using 100 ml of dehydrated methanol for Karl Fischer measurement as a solvent. As the titrant, use a reagent having a titer of 3 mg H 2 O / g. For those having a low water content, a sample (for example, 40 g) having a sample amount larger than 20 g specified in JISK1555.76.5 is subjected to measurement to determine the water content. The sample is put into the measuring container with a syringe. In addition, for all samples, the average of the two measured values is taken, and two significant figures are used (the third digit is rounded off).
- the borate compound obtained by the production method of the present invention may contain a small amount of the boron-containing compound represented by the formula (2), depending on the structure of the compound, the purification method and the like.
- the borate compound obtained by the present invention is used as an electrolyte for an electrochemical device, the following formula is used.
- the amount is preferably reduced to 5% by weight or less.
- the boron-containing compound represented by the formula (2) is
- a mixture of low molecular alcohols represented by (3) is obtained as a distillate. All of these distillates can be reused, and can be used, for example, as a raw material for producing borate esters obtained by the reaction of alkyl alcohol with boric acid. Further, the distillate containing the boron-containing compound represented by the formula (2) as a main component can be reused as a raw material in the production method of the present invention.
- Apparatus for performing the manufacturing method of the present invention can be appropriately selected from known apparatuses in the art, and the material is appropriately selected from known materials such as glass and stainless steel. Can be determined. In addition, a heat transfer area, a heat medium, and the like can be appropriately selected in consideration of reaction conditions. When performing rectification, a rectification column is required, but the separation type, the number of theoretical plates, the column diameter, etc. can be appropriately selected according to the reaction conditions. Further, since the borate compound is easily hydrolyzed, it is preferable that the inside of the apparatus is dried in advance.
- the present invention also provides an electrochemical device containing a borate ester compound represented by the formula (4) or a polymer thereof, having a water content of 100 ppm or less as measured by Karl Fischer titration. For electrolytes for use.
- ⁇ is a group selected from an acryloyl group, a methacryloyl group and an alkyl group having 1 to 4 carbon atoms, at least one of which is an acryloyl group or a methacryloyl group.
- AO is an oxyalkylene group having 2 to 4 carbon atoms, and p is 1 to 600.
- the electrolyte for an electrochemical device described above has a water content of 100 ppm or less, preferably 900 ppm or less, more preferably 350 ppm or less, as measured by Karl Fischer titration. It is particularly preferably at most 100 ppm.
- the borate ester compound represented by the formula (4) or a polymer thereof is useful as an electrolyte for an electrochemical device, and by using such an electrolyte, an anion trapping ability and a high anion trapping ability can be obtained. As a result, it is possible to obtain an electrolyte having excellent conductivity and electrical properties.
- the oxyalkylene group having 2 to 4 carbon atoms represented by A ⁇ is the same as that defined for the formula (1).
- the alkyl group having 1 to 4 carbon atoms represented by Y includes, among the residues of the compound having 1 to 6 hydroxyl groups represented by X in the formula (1), those having 1 to 4 carbon atoms. And an alkyl group.
- p Is the average number of moles of the added oxyalkylene group having 2 to 4 carbon atoms, and is 1 to 600. It is preferably from 1 to 200, more preferably from 1 to 100, for the purpose of obtaining ionic conductivity. When this value exceeds 600, the amount of boron introduced is small, and it becomes difficult to exhibit the ability to capture anion when used as an electrolyte.
- the above-mentioned electrolyte for electrochemical devices can be used as an electrolyte for secondary batteries, electric double layer capacitors, etc., and is useful as an electrolyte for secondary batteries, particularly for lithium ion secondary batteries. Useful as an electrolyte. Further, it can be used as a secondary battery using the secondary battery electrolyte.
- the borate compound is obtained by using the method for producing the borate compound of the present invention, that is, using the compound of the formula (1) and the boric acid-containing compound of the formula (2).
- a borate compound can be preferably used.
- the compound having a polymerizable group among the borate ester compounds according to the present invention is used in a form in which the polymerizable group contained therein is polymerized.
- Polymerization is performed by energy such as heating, ultraviolet light, visible light, and electron beam, and a known polymerization initiator may be appropriately used.
- the number average molecular weight after polymerization is preferably 50,000 to 100,000,000, and if the number average molecular weight is less than 50,000, self-sustainability of the obtained film ⁇ flexibility Expression may be difficult to obtain.
- the borate compound according to the present invention can be used alone or in combination of two or more. Depending on the composition, it is desired to improve the mechanical properties by using them in combination and to improve the ion conductivity when used as an electrolyte for a secondary battery.
- the amount of the polymerizable group introduced and the amount of the borate ester group introduced can be reduced. It can be controlled arbitrarily and is very useful from the viewpoint of material design.
- the borate compound according to the present invention is preferably used in an organic polymer compound in an amount of 5 to 100% by weight, for the purpose of obtaining the effect of controlling the movement of ions that can contribute to charge and discharge. It is more preferable to use 100% by weight.
- the improvement in the ion conductivity and the improvement in the performance as an electrolyte for an electrochemical device can be achieved by the improvement of the cation transport number by boron. Furthermore, since the water content of the borate compound is inherently low, when used as an electrolyte, corrosion of other metal members, metal components, etc. occurs, and gas is generated by an electrolysis reaction of water. This is very useful because the problem of internal pressure rise is eliminated.
- the borate group is fixed in the same molecule as the polymer matrix, it is compatible with high ionic conductivity.
- the film stability is better.
- a borate compound having a polymerizable group since the borate group is in the same molecule as the polymer matrix, it can be used without adding a third component other than the ionic compound. Therefore, the process for obtaining the electrolyte film can be simplified, which is very useful.
- the electrolyte for an electrochemical device of the present invention can be prepared by various methods.
- the preparation method is not particularly limited.
- a boric acid ester compound is mixed with another polymerizable organic compound, and the ionizable compound is dissolved therein.
- the polymer electrolyte thin film having mechanical strength can be obtained by dissolving, casting, heating and polymerizing.
- a solution is prepared by dissolving the zwitterionic compound, and the solution is cast by heating to be thermally polymerized, thereby increasing the mechanical strength.
- the resulting polymer electrolyte thin film can be obtained.
- a thin film obtained by polymerizing the polymerizable compound can be obtained by irradiating energy rays such as ultraviolet rays, visible light, and electron beams.
- energy rays such as ultraviolet rays, visible light, and electron beams.
- a polymer of a borate compound having a polymerizable group and a ionic compound are well kneaded and molded, whereby an electrolyte thin film for an electrochemical device can be obtained.
- the electrolyte for an electrochemical device is composed of an organic polymer compound containing an ionic compound and a borate compound.
- the organic polymer compound may contain an organic polymer compound or a polymerizable compound other than the borate ester as long as the effects of the present invention are not impaired.
- organic polymer compounds examples include polyacrylonitrile, acrylonitrile-methyl methacrylate copolymer, acrylonitrile-methyl methacrylate copolymer, and methyl methacrylate.
- Styrene copolymer, acrylonitrile-styrene copolymer, acrylonitrile-styrene-methyl methacrylate copolymer, acrylonitrile-styrene-methyl methacrylate copolymer, Styrene-maleic acid copolymer, polyalkylene glycol (meth) acrylate copolymer and the like can be mentioned.
- another polymerizable compound may be mixed in advance with the borate compound used in the present invention to dissolve the ionic compound and then polymerized after the dissolution.
- polymerizable compounds include alkyl acrylates such as methyl acrylate and butyl acrylate, methyl methacrylate, and butyric methacrylate.
- Alkyl methacrylates such as styrene, polyalkylene glycol (meta) acrylate represented by the following formula (5), acrylonitrile, styrene, dibutylbenzene, and the like. It is preferable to use polyalkylene glycol (meta) acrylate represented by the following formula (5).
- Z is a residue of a compound having 1 to 4 hydroxyl groups, a hydrogen atom, an acryloyl group or a methacryloyl group
- a 20 is a oxyalkylene group having 2 to 4 carbon atoms.
- M is 0 to 150
- b is 1 to 4
- mxb 0 to 300
- R ' is a hydrogen atom and has 1 carbon atom.
- Compounds having 1 to 4 hydroxyl groups represented by Z in the formula (5) include methyl alcohol, ethyl alcohol, propyl alcohol, isopropyl alcohol, n-butyl alcohol, 2-butyl alcohol, t-Butyl alcohol, n-hexyl alcohol, n-octyl alcohol, isooctyl alcohol, decyl alcohol, dodecyl alcohol, tridecyl alcohol, tetradecyl alcohol, hexadecyl alcohol, octadecyl alcohol, Monools such as octadecenyl alcohol, icosyl alcohol, tetraicosyl alcohol, aryl alcohol, methyl alcohol, hydroxyshethyl butyl ether, ethylene glycol, propylene glycol, butanediol, and pentane Diol, hexane diol, diols such Okuda Njio Le, glyce
- Z is methyl alcohol, ethylene glycol, propylene glycol, glycerin, trimethylolprono.
- examples of the oxyalkylene group having 2 to 4 carbon atoms represented by A 2 ⁇ include an oxyethylene group, an oxypropylene group, an oxybutylene group, an oxytetramethylene group, and the like, and preferably an oxishylene group or an oxypropylene group Group.
- One or a mixture of two or more of these may be used, and when two or more of them are used, the polymerization mode may be any of block and random.
- the compound represented by the formula (5) has at least one acryloyl group or methacryloyl group in the molecule.
- the ionic compound used in the electrolyte for an electrochemical device of the present invention can be mixed with the organic polymer compound at an arbitrary ratio.
- the ionic compound can be mixed with boron in 1 mole of the alkali metal contained in the ionic compound.
- Mixing so that the total number of oxyalkylene units contained in the acid ester compound is 2 to 30 moles, and more preferably 2 to 20 moles, is due to the lowering of the glass transition temperature of the organic polymer compound. It is more preferable in view of the contribution to the conductivity and the improvement of the ionic conductivity due to an increase in the number of carriers.
- the oxyalkylene unit is also included in the Set the compounding amount of the active compound.
- the type of the ionizing compound used in the electrolyte for an electrochemical device of the present invention is not particularly limited.
- LiI, LiSCN, NaBr, Nal, NaSCN, KI, KSCN, etc. organic acids such as p-toluenesulfonic acid and salts thereof, and the like.
- organic acids such as p-toluenesulfonic acid and salts thereof, and the like.
- they are quaternary ammonium salts, quaternary phosphonium salts, and alkali metal salts, because they have a high output voltage and a large dissociation constant.
- Is an Ion compound used in the electrolyte for secondary batteries of the present invention for example, L i C 1 0 4, L i A s F 6, L i PF 6, L i BF 4, L i CF a S 03 L i (CF 3 S 0 2 ) 2 N.L i (C 2 F 5 S ⁇ 2 ) 2 N, L i.
- (CF 3 S 02) 3 C L i I, L i SCN, N a B r , N al, N a SCN, KI, is alkali metal salts, such as listed et al are KSCN, is favored properly L i C 1 0 4, L i a s F 6, L i PF 6, L i BF 4, L i CF 3 S 03, L i (CF 3 S 0 2 ) 2 N, L i (C 2 F 5 .S 02) 2 N, L i (CF 3 S 02) 3 C, L i I, L i SCN And the like.
- an ion-conductive or ferroelectric salt, glass powder, or the like can be added to the electrolyte for a secondary battery of the present invention.
- Shioma other as the powder of the glass for example, S N_ ⁇ 2, B a T i 03, L a T such i 03 and the like.
- the effects of the present invention are hindered, ethylene carbonate, propylene carbonate, butylene carbonate, dimethyl carbonate, methyl carbonate, methylethyl carbonate, and tetrahydrofuran
- the method for producing a borate compound of the present invention uses the boron-containing compound represented by the formula (2), and includes boron oxide, which is a boron-containing compound conventionally used in the production of borate, As in the case of orthoboric acid, essentially no water is generated during the boric acid esterification reaction, and the boric acid ester exchange reaction between the compound represented by the formula (1) and the compound represented by the formula (2) occurs. The resulting removal of low-molecular-weight alcohol is easy, so the time required for the reaction can be shortened, and the production efficiency is excellent.
- a low molecular weight alcohol represented by the formula (3) generated by a borate transesterification reaction between the compound represented by the formula (1) and the compound represented by the formula (2) is converted into a compound represented by the formula (2)
- the borate esterification reaction can proceed at a very high conversion.
- the borate compound of the present invention undergoes a borate esterification reaction.
- the water content is very low because there is no water generated at the time of use, and when used as an electrolyte for electrochemical devices, it does not induce the decomposition of the ionic compound contained in the use of the electrolyte, and The metal used in these electrochemical devices does not corrode and has excellent electrical properties.
- boron oxide, orthoboric acid, metaboric acid, and pyroboric acid which are boron-containing compounds commonly used in the production of borate ester compounds, are soluble in polyalkylene glycol derivatives, so that they are esterified. May be dissolved even after the ion exchange, and when the obtained borate compound is used as an electrolyte for an electrochemical device, it may be ion-exchanged with an ion-containing compound contained therein or used. Reaction with existing metals may cause ion trapping.
- the electrochemical device of the present invention is excellent in electrical characteristics because it does not react or interact with supporting salts or metals.
- an electrolyte for use is used, an electrochemical device having high ionic conductivity over a wide temperature range and having excellent cycle characteristics, safety, and stability can be obtained.
- the borate ester compound obtained by the production method of the present invention has a very low water content and a high purity, so that the compound represented by the formula (1) and the compound represented by the formula (3) are obtained. The remaining amount of the compound is small.
- Such a borate compound having a low moisture content and a small number of hydroxyl groups when used as an electrolyte for a lithium ion secondary battery, has a very small increase in internal resistance and uses a high-performance electrolyte and its electrolyte. A good battery can be obtained.
- a borate compound having an arbitrary structure can be obtained, and molecular design is easy. Therefore, application to an electrochemical device capable of exhibiting various characteristics can be easily achieved.
- L i TFSI represents a Richiumuzesu (g Li Furuoro methane sulfonate) Lee Mi-de
- L i PF 6 is hexafluoride borrowed down Indicates lithium oxide.
- the amount of Li TFSI or Li PF 6 added as an ionic compound in the electrolyte composition was determined in each example based on 16 moles of ether oxygen of alkylene oxide contained in the electrolyte composition.
- the Li ion concentration is 1 molar.
- Blemmer PE_350 polyethylene glycol (350) monomethacrylate
- NOF Corporation N-methyl borate 51.9 g (0.5 mol) was added, and the temperature was raised to 60 ° C in a dry air atmosphere with stirring. After maintaining the temperature at 60 ° C for 1 hour, the temperature was raised to 75 ° C. After the temperature reached 75 ° C, the pressure inside the system was gradually reduced, and the pressure was 2.67 kPa or less. For 6 hours to allow the reaction to proceed. Volatiles generated with the line were removed. Thereafter, the mixture was filtered to obtain 65 g of a polymerizable borate compound.
- Blemmer AE-400 polyethylene glycol (400) monoacrylate
- NOF Corporation N-methyl borate
- 9 g (0.5 mol) was added, and the mixture was heated to 60 ° C under a dry air atmosphere with stirring. After maintaining at 60 ° C for 1 hour, the temperature was raised to 70 ° C. After the temperature reached 70 ° C, the pressure inside the system was gradually reduced, and the pressure was 2.67 kPa or less. The state was maintained for 6 hours, and volatile components generated as the reaction proceeded were removed. Thereafter, the mixture was filtered, whereby 670 g of a polymerizable boric acid ester compound was obtained.
- Bremma AE-400 polyethylene glycol (400) monoacrylate
- orthoboric acid 20 .6 g (0.333 mol
- the pressure inside the system was gradually reduced, and the pressure was maintained at less than 0.6 kPa for 6 hours under aeration of dry air to remove water generated as the reaction progressed. Removed. Thereafter, filtration yielded 450 g of a polymerizable borate compound.
- Blemmer PE-350 polyethylene glycol (350) monomethacrylate
- boron oxide (0.25 mol)
- the pressure inside the system was gradually reduced, and a pressure of 2.67 kPa or less was maintained for 6 hours under dry air ventilation to remove water generated as the reaction progressed. Removed. Thereafter, the mixture was filtered to obtain 60 g of a polymerizable borate compound.
- the water content of the borate compounds of Examples 1 to 4 and Comparative Examples 1 to 3 was measured as follows by Karl Fischer titration in accordance with Japanese Industrial Standards JISK1555.76.5. Calculated.
- the water content was measured by a volumetric titration method using 100 ml of dehydrated methanol for Karl Fischer measurement as a solvent.
- a reagent having a titer of 3 mg H 2 O / g was used.
- a sample (40 g) larger than the sample amount of 20 g specified in JISK155576.5 was subjected to measurement to determine the water content.
- the sample was put into the measuring container by syringe.
- the average of the two measured values was taken and two significant figures were used (the third digit was rounded off).
- Polymerizable borate compound 1 0. 0 g of Example 2, 1 L i PF 6 as a supporting salt. 7 1 g was added, after uniformly dissolving, ⁇ zone is a thermal polymerization initiator Mix and dissolve 30 mg of bisisobutyronitrile, apply it on a silicon wafer using Subinco overnight, and leave it in an oven at 80 ° C for 2 hours to thermally polymerize it. An ion conductive polymer composition (polymer electrolyte) having a thickness of 100 ⁇ m was obtained.
- ⁇ zone bis isobutyronitrile Petit Roni preparative drill 3 is a thermal polymerization initiator 0 mg and mixed and melted, coated on a silicon wafer using a spinner overnight, and then left in an oven at 80 ° C for 2 hours to thermally polymerize to a thickness of 100 An ion-conductive polymer composition (polymer electrolyte) was obtained.
- the polymerizable borate ester compound of Comparative Example 3 (7.5 g) and methoxypolyethylene glycol (200000) monomethacrylate, Blemma PME-200, manufactured by NOF Corporation, were used in the amount of 2.5. After mixing with 1.8 g of iPF6 as a supporting salt and uniformly dissolving it, azobisisobutyronitrile, a thermal polymerization initiator, was added. mg and mixed and applied on a silicon wafer using a spin coater, and then allowed to stand in an oven at 80 ° C for 2 hours to be thermally polymerized to a thickness of 100 ⁇ m. An ion conductive polymer composition (polymer electrolyte) was obtained.
- the stability of the polymer electrolyte was evaluated by the following method.
- each polymer electrolyte film was sandwiched between two pieces of metallic lithium foil with a thickness of 50 ⁇ ⁇ was placed in a constant temperature bath at 50 ° C under an argon atmosphere. The state of the contact surface of the foil with the electrolyte film was observed.
- ⁇ The appearance of the electrolyte film is colored, or the contact surface of the lithium metal foil is partially corroded.
- Examples 5, 7, and 9 and Comparative Examples 5 and 6 were evaluated for ionic conductivity.
- the ion conductivity was measured by the following method.
- a non-blocking electrode is formed by sandwiching the material sandwiched between the two metallic lithium foils described above with a stainless steel electrode, and the temperature is varied in an argon atmosphere, and the AC complex impedance measurement at each temperature is performed.
- the ion conductivity was obtained from the diameter of the semicircle of the bulk resistance component of the upper plot (Co1e-C01e plot).
- Example 6 5 parts by weight, 5 parts by weight of polyvinylidene fluoride powder as a binder polymer, and 20 parts by weight of acetylene black powder as a conductive material are kneaded well, and the thickness is 1 on a copper foil by hot pressing.
- a lithium metal foil having a thickness of about 80 ⁇ m and a diameter of 10 mm was used as the negative electrode material as the alkali metal ion occlusion material.
- the polymer electrolyte of Example 6 was punched into a diameter of 1 Omm, sandwiched between the above-described positive electrode material and negative electrode material, and further sandwiched between stainless steel electrodes to obtain a secondary battery.
- the current density of the obtained secondary battery was 2 at 50 ° C or 80 ° C.
- the discharge capacity per 1 kg of the positive electrode in the 0th cycle was evaluated as a percentage of the initial capacity.
- the discharge capacity is 70% or more of the initial capacity.
- ⁇ Has a discharge capacity of 40% or more and less than 70% of the initial capacity.
- ⁇ Discharge capacity of less than 40% of initial capacity.
- X Cannot be evaluated due to internal short circuit, deterioration of electrode material, or insufficient conductivity.
- a secondary battery system was assembled with the same composition as in Example 10 except that the polymer electrolyte of Example 8 was used as the polymer electrolyte, and a charge / discharge cycle test was performed under the same conditions as in Example 10. Was done.
- a secondary battery system was assembled with the same composition as in Example 10 except that the polymer electrolyte of Comparative Example 4 was used as the polymer electrolyte, and the conditions were the same as in Example 10. A charge / discharge cycle test was performed.
- a secondary battery system was assembled with the same composition as in Example 10 except that the polymer electrolyte of Comparative Example 7 was used as the polymer electrolyte, and a charge / discharge cycle test was performed under the same conditions as in Example 10. Was done.
- the type of the compound represented by the formula (1), the type of the boron-containing compound used for the borate compounds obtained in Examples 1 to 4 and Comparative Examples 1 to 3, and the time required to maintain the reduced pressure required for the reaction Table 1 shows the water content.
- the electrolyte compositions of Examples and Comparative Examples, the types of ionizable compounds, and the results of evaluating the stability of the obtained electrolyte films are shown in Tables 2, 25 and 80 ° C.
- Table 3 shows the evaluation results of the charge / discharge test at 50 ° C and 80 ° C.
- ⁇ indicates a methacryloyl group
- ⁇ indicates an acryloyl group
- E ⁇ indicates an oxyethylene group
- the borate ester compounds obtained by the production methods of Comparative Examples 1 to 3 have a high water content, while the borate ester compounds obtained in Examples 1 to 4 have the same reaction temperature and time conditions. Nevertheless, it was confirmed that the water content was much smaller.
- the electrolyte for electrochemical devices using the borate compound obtained in the examples does not show corrosion of aluminum metal, has excellent stability, has high ionic conductivity, and has excellent electrolyte for secondary batteries. It was confirmed that they exhibited excellent cycle characteristics.
- polyethylene glycol (6.8 mol) monoatalylate having an average molecular weight of 370 (Blenmer AE-300, manufactured by NOF Corporation) 111 g (3.0 mol)
- Trimethyl borate 9.34.2 g (9.0 mol) was charged, 0.33 g of BHT was added to this mixture, and the mixture was heated to 70 t under normal pressure while blowing dry air while stirring. did.
- the pressure inside the system is gradually reduced, and while maintaining the temperature at 70 ° C to 2.67 kPa over 8 hours, methanol and by-products produced by the reaction are Trimethyl diacid was distilled off. Furthermore, drying was performed while maintaining the state of 2.67 kPa at 70 ° C. for 3 hours, and 110 g of the intended borate compound was obtained.
- polyethylene glycol having an average molecular weight of 90 (4.6 mol) monomethacrylate (Nippon Oil & Fats Co., Ltd. Bremma PE—200) 870 g (3.0 mol), nonylphenol 330 g (1.5 mol) and trimethyl borate 778.5 g (7.5 mol) were charged, and 0.33 g of BHT was added to the mixture, and the mixture was blown with dry air while stirring.
- the temperature was raised to 70 ° C. at normal pressure. After maintaining the system at 70 ° C for 1 hour, the pressure inside the system was gradually reduced, and while maintaining the temperature at 70 ° C to 2.67 kPa over 8 hours, methanol produced as a by-product of the reaction was removed. Trimethyl borate was distilled off. Furthermore, drying was performed while maintaining the state at 70 ° (:, 2.67 kPa) for 3 hours, to obtain 110 g of the intended borate compound.
- methoxypolyoxyethylene (16.5 mol) having an average molecular weight of 100,000 propylene glycol (4.2 mol), random copolymer 150 g (1.5 mol), Triisopropylpropyl borate (470 g, 2.5 mol) was added, and the mixture was heated to 130 ° C under a nitrogen gas atmosphere with stirring. After maintaining at 130 ° C for 1 hour, the pressure inside the system was gradually reduced, and by-products were produced by the reaction while maintaining the temperature at 130 ° C to 2.67 kPa over 8 hours. Isopropanol and triisopropyl borate were removed by distillation. Furthermore, drying was performed while maintaining the condition of 130 :, 2.67 kPa for 3 hours, to obtain 140 g of the intended borate compound.
- a 3-liter four-necked flask equipped with a distillation column was charged with polyethylene glycol (4.6 mol) monomethacrylate having an average molecular weight of 190 (Blenmer PE-2 manufactured by NOF Corporation). 0) 928 g (3.2 mol), polyethylene glycol having an average molecular weight of 400 (8.7 mol), 320 g (0.8 mol), trimethyl borate g (12.0 mol) and 0.62 g of BHT were charged, and the temperature was raised to a temperature at which reflux started at 50 kPa (50 to 65 ° C) while blowing dry air. After 30 minutes of total reflux, the mixture was distilled at the reflux ratio of 10 from the top of the column for 5 hours. As the distillation proceeded, the temperature in the kettle and the temperature at the top of the vessel rose, and after the temperature at the top reached 60 ° C, the mixture was further distilled at a reflux ratio of 10 for 3 hours.
- polyethylene glycol (6.8 mol) monoacrylate having an average molecular weight of 370 (6.8 mol) (Blenmer AE-300 from Nippon Oil & Fats Co., Ltd.) 222 g (6.0 mol) 69.6 g (1.0 mol) of boron and 0.67 g of BHT were added, and the temperature was raised to 80 ° C. while blowing dry air while stirring. After the temperature reached 80 ° C, the pressure in the system was gradually reduced, and a state of 2.67 kPa or less was maintained for 3 hours to remove water generated as the reaction progressed. Thereafter, filtration was performed to obtain 2100 g of a borate compound.
- the boron concentrations of the borate compounds of Examples 12 to 16 and Comparative Examples 10 to 12 were determined by the following method.
- the boron concentration assuming that only the compound represented by the formula (1) is borate esterified and contains no other compounds is defined as the theoretical boron concentration, and the purity of the compound is defined as the boron concentration / Theoretical boron concentration, expressed as
- E 0 represents an oxyethylene group
- P 0 represents an oxypropylene group
- M represents a methyl acryloyl group
- A represents an acryloyl group
- Ph represents a phenylene group.
- Li FTSI Li FTSI so as to be 20% by weight. Mix well until uniform. Thereafter, 0.1% by weight of AIBN (azoisobutyl nitrile) was added and mixed, and a thermal polymerization reaction was performed at a temperature of 80 ° C. Then, it was shaped into a disk having a thickness of 1.0 mm and a diameter of 14 mm to produce a high molecular electrolyte.
- AIBN azoisobutyl nitrile
- the positive electrode active material represented by LiNi0.9Coo.02 was ground in a mortar to obtain a positive electrode active material powder.
- This powder, acetylene black as a conductive agent, and polyvinylidene fluoride as a binder were mixed at a weight ratio of 43: 3: 2 to prepare a positive electrode mixture. Press molding and heat treatment were performed on a 14 mm disk to form a positive electrode.
- a negative electrode was prepared by punching a metallic lithium having a predetermined thickness into a disk having a diameter of 14 mm.
- lithium secondary batteries shown in Examples 17 and 18 and Comparative Examples 13 and 14, respectively were produced.
- the battery was sealed in an argon atmosphere, and the initial internal resistance was measured at a temperature of 60 ° C. Then, it was stored at 60 ° C for 100 hours, and then the internal resistance was measured.
- borate ester compound obtained by the production method according to the present invention is used as an electrolyte for a lithium ion secondary battery, it is possible to obtain a battery with a small increase in internal resistance during storage. Yes, high performance electrolytes and secondary batteries could be obtained.
- the borate ester compound obtained by the production method of the present invention has a very low water content and a high purity, the residual amount of the compound represented by the formula (1) and the compound represented by the formula (3) Less is.
- the internal resistance is extremely small, and a high-performance electrolyte and a high-performance electrolyte are used. Good batteries can be obtained.
- any structure may be used.
- a borate ester compound having a structure can be obtained, and application to an electrochemical device that can exhibit various characteristics can be easily achieved because of easy molecular design.
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Description
Claims
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KR1020047004592A KR100937285B1 (ko) | 2001-09-28 | 2002-09-27 | 붕산 에스테르 화합물의 제조 방법, 전기화학 장치용 전해질 및 이차 전지 |
DE60230646T DE60230646D1 (de) | 2001-09-28 | 2002-09-27 | Verfahren zur herstellung einer borsäureesterverbindung |
US10/489,418 US6998465B2 (en) | 2001-09-28 | 2002-09-27 | Process for producing boric ester compound, electrolyte for electrochemical device, and secondary battery |
EP02800707A EP1431300B1 (en) | 2001-09-28 | 2002-09-27 | Process for producing boric acid ester compound |
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JP2001/301122 | 2001-09-28 | ||
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US (1) | US6998465B2 (ja) |
EP (1) | EP1431300B1 (ja) |
KR (1) | KR100937285B1 (ja) |
CN (1) | CN1294137C (ja) |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1422781A1 (en) * | 2002-11-21 | 2004-05-26 | Hitachi, Ltd. | Boron-containing compound, ion-conductive polymer and polyelectrolyte for electrochemical devices |
US7473492B2 (en) * | 2002-11-21 | 2009-01-06 | Hitachi, Ltd. | Lithium secondary battery |
US9404235B2 (en) | 2010-09-07 | 2016-08-02 | Caterpillar Work Tools B.V. | Coupling arrangement |
CN111574545A (zh) * | 2020-05-18 | 2020-08-25 | 天目湖先进储能技术研究院有限公司 | 一种硼酸酯化合物及其制备方法和含其的电解液 |
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JP4046979B2 (ja) * | 2001-11-09 | 2008-02-13 | トヨタ自動車株式会社 | 新規リチウム塩及びイオン伝導材料並びに液体電解質 |
JP4451768B2 (ja) * | 2004-12-17 | 2010-04-14 | 株式会社日立製作所 | 電気化学デバイス用重合性ホウ素化合物、その製造方法、重合性組成物及びイオン伝導性高分子電解質 |
WO2008039808A2 (en) | 2006-09-25 | 2008-04-03 | Board Of Regents, The University Of Texas System | Cation-substituted spinel oxide and oxyfluoride cathodes for lithium ion batteries |
EP2073301B1 (en) * | 2006-10-12 | 2011-12-07 | NOF Corporation | Ion conducting polymer electrolyte and secondary battery using the same |
US8946486B2 (en) | 2007-12-03 | 2015-02-03 | Tyco Fire & Security Gmbh | Method of forming alkoxylated fluoroalcohols |
EP2485315A4 (en) | 2009-09-28 | 2015-01-28 | Univ Shizuoka Nat Univ Corp | SOLVENTS FOR ELECTROLYTIC SOLUTION, ELECTROLYTIC SOLUTION AND GEL ELECTROLYTE |
WO2012159106A2 (en) * | 2011-05-19 | 2012-11-22 | Northwestern University | Ph responsive self-healing hydrogels formed by boronate-catechol complexation |
US8967799B2 (en) | 2012-12-20 | 2015-03-03 | Bausch & Lomb Incorporated | Method of preparing water extractable silicon-containing biomedical devices |
US20170079310A1 (en) * | 2015-09-18 | 2017-03-23 | Richard Gerry Dingman, JR. | Texture analog dysphagia cuisine |
KR200484299Y1 (ko) | 2017-06-01 | 2017-08-23 | 김한주 | 가두리 양식장용 발판 조립체 |
EP3743463A1 (en) | 2018-01-26 | 2020-12-02 | Bausch & Lomb Incorporated | Method for end-capping a polysiloxane prepolymer |
CN110310842B (zh) * | 2018-03-20 | 2022-03-18 | 中天超容科技有限公司 | 高电压电容的电解液及其制备方法和电容器件 |
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JP3557959B2 (ja) | 1999-09-02 | 2004-08-25 | 第一工業製薬株式会社 | 新規イオン伝導性高分子、これを用いてなる高分子電解質及び電気化学デバイス |
JP3557961B2 (ja) | 1999-09-02 | 2004-08-25 | 第一工業製薬株式会社 | 新規イオン伝導性高分子、これを用いてなる高分子電解質及び電気化学デバイス |
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- 2002-09-27 US US10/489,418 patent/US6998465B2/en not_active Expired - Lifetime
- 2002-09-27 KR KR1020047004592A patent/KR100937285B1/ko not_active IP Right Cessation
- 2002-09-27 CN CNB028238087A patent/CN1294137C/zh not_active Expired - Fee Related
- 2002-09-27 WO PCT/JP2002/010049 patent/WO2003031453A1/ja active Application Filing
- 2002-09-27 DE DE60230646T patent/DE60230646D1/de not_active Expired - Lifetime
- 2002-09-27 EP EP02800707A patent/EP1431300B1/en not_active Expired - Lifetime
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WO2001039316A1 (fr) * | 1999-11-24 | 2001-05-31 | Nof Corporation | Batterie auxiliaire et electrolyte pour batterie auxiliaire |
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Publication number | Priority date | Publication date | Assignee | Title |
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EP1422781A1 (en) * | 2002-11-21 | 2004-05-26 | Hitachi, Ltd. | Boron-containing compound, ion-conductive polymer and polyelectrolyte for electrochemical devices |
US7230057B2 (en) | 2002-11-21 | 2007-06-12 | Hitachi, Ltd. | Boron-containing compound, ion-conductive polymer and polyelectrolyte for electrochemical devices |
US7473492B2 (en) * | 2002-11-21 | 2009-01-06 | Hitachi, Ltd. | Lithium secondary battery |
US9404235B2 (en) | 2010-09-07 | 2016-08-02 | Caterpillar Work Tools B.V. | Coupling arrangement |
CN111574545A (zh) * | 2020-05-18 | 2020-08-25 | 天目湖先进储能技术研究院有限公司 | 一种硼酸酯化合物及其制备方法和含其的电解液 |
CN111574545B (zh) * | 2020-05-18 | 2022-07-08 | 天目湖先进储能技术研究院有限公司 | 一种硼酸酯化合物及其制备方法和含其的电解液 |
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KR100937285B1 (ko) | 2010-01-18 |
US6998465B2 (en) | 2006-02-14 |
EP1431300A1 (en) | 2004-06-23 |
EP1431300A4 (en) | 2006-02-08 |
US20040266981A1 (en) | 2004-12-30 |
KR20040037188A (ko) | 2004-05-04 |
CN1294137C (zh) | 2007-01-10 |
DE60230646D1 (de) | 2009-02-12 |
EP1431300B1 (en) | 2008-12-31 |
CN1596260A (zh) | 2005-03-16 |
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