KR101322500B1 - 비수 전해질 조성물 및 비수 전해질 2차 전지 - Google Patents
비수 전해질 조성물 및 비수 전해질 2차 전지 Download PDFInfo
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- KR101322500B1 KR101322500B1 KR1020110106703A KR20110106703A KR101322500B1 KR 101322500 B1 KR101322500 B1 KR 101322500B1 KR 1020110106703 A KR1020110106703 A KR 1020110106703A KR 20110106703 A KR20110106703 A KR 20110106703A KR 101322500 B1 KR101322500 B1 KR 101322500B1
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- South Korea
- Prior art keywords
- nonaqueous electrolyte
- sulfonic acid
- group
- acid ester
- nonaqueous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011255 nonaqueous electrolyte Substances 0.000 title claims abstract description 49
- 239000000203 mixture Substances 0.000 title claims abstract description 22
- -1 phosphazene compound Chemical class 0.000 claims abstract description 33
- 150000003459 sulfonic acid esters Chemical class 0.000 claims abstract description 29
- 239000002904 solvent Substances 0.000 claims abstract description 23
- 239000003792 electrolyte Substances 0.000 claims description 17
- 239000003115 supporting electrolyte Substances 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 8
- 150000002367 halogens Chemical class 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- 229910013870 LiPF 6 Inorganic materials 0.000 claims description 4
- GKTNLYAAZKKMTQ-UHFFFAOYSA-N n-[bis(dimethylamino)phosphinimyl]-n-methylmethanamine Chemical compound CN(C)P(=N)(N(C)C)N(C)C GKTNLYAAZKKMTQ-UHFFFAOYSA-N 0.000 claims description 4
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910013063 LiBF 4 Inorganic materials 0.000 claims description 2
- 125000003342 alkenyl group Chemical group 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims 1
- 239000008151 electrolyte solution Substances 0.000 abstract description 15
- 238000000354 decomposition reaction Methods 0.000 abstract description 14
- 230000001681 protective effect Effects 0.000 abstract description 8
- 238000003860 storage Methods 0.000 abstract description 8
- 230000007062 hydrolysis Effects 0.000 abstract description 2
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 2
- 125000002130 sulfonic acid ester group Chemical group 0.000 abstract 1
- 239000007773 negative electrode material Substances 0.000 description 23
- 239000007774 positive electrode material Substances 0.000 description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 7
- 239000011737 fluorine Substances 0.000 description 7
- 229910052731 fluorine Inorganic materials 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 5
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
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- 230000006866 deterioration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
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- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 229910003002 lithium salt Inorganic materials 0.000 description 3
- 159000000002 lithium salts Chemical class 0.000 description 3
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- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- 229910052723 transition metal Inorganic materials 0.000 description 3
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
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- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 2
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 229920001940 conductive polymer Polymers 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
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- 239000002905 metal composite material Substances 0.000 description 2
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- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
- KKQAVHGECIBFRQ-UHFFFAOYSA-N methyl propyl carbonate Chemical compound CCCOC(=O)OC KKQAVHGECIBFRQ-UHFFFAOYSA-N 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
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- 239000002002 slurry Substances 0.000 description 2
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- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- DZKXDEWNLDOXQH-UHFFFAOYSA-N 1,3,5,2,4,6-triazatriphosphinine Chemical compound N1=PN=PN=P1 DZKXDEWNLDOXQH-UHFFFAOYSA-N 0.000 description 1
- FSSPGSAQUIYDCN-UHFFFAOYSA-N 1,3-Propane sultone Chemical compound O=S1(=O)CCCO1 FSSPGSAQUIYDCN-UHFFFAOYSA-N 0.000 description 1
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- GDXHBFHOEYVPED-UHFFFAOYSA-N 1-(2-butoxyethoxy)butane Chemical compound CCCCOCCOCCCC GDXHBFHOEYVPED-UHFFFAOYSA-N 0.000 description 1
- XNZZEQCBAGUFMT-UHFFFAOYSA-N 2,2,4,4,6-pentafluoro-6-phenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound FP1(F)=NP(F)(F)=NP(F)(OC=2C=CC=CC=2)=N1 XNZZEQCBAGUFMT-UHFFFAOYSA-N 0.000 description 1
- ORIRWTCVCYMKTF-UHFFFAOYSA-N 2,4,6-triethoxy-2,4,6-trifluoro-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound CCOP1(F)=NP(F)(OCC)=NP(F)(OCC)=N1 ORIRWTCVCYMKTF-UHFFFAOYSA-N 0.000 description 1
- CBTAIOOTRCAMBD-UHFFFAOYSA-N 2-ethoxy-2,4,4,6,6-pentafluoro-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound CCOP1(F)=NP(F)(F)=NP(F)(F)=N1 CBTAIOOTRCAMBD-UHFFFAOYSA-N 0.000 description 1
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 1
- VWIIJDNADIEEDB-UHFFFAOYSA-N 3-methyl-1,3-oxazolidin-2-one Chemical compound CN1CCOC1=O VWIIJDNADIEEDB-UHFFFAOYSA-N 0.000 description 1
- VWEYDBUEGDKEHC-UHFFFAOYSA-N 3-methyloxathiolane 2,2-dioxide Chemical compound CC1CCOS1(=O)=O VWEYDBUEGDKEHC-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- XILBBBKPGSBWAK-UHFFFAOYSA-N C(C)OP1(=NP(=NP(=N1)(F)F)(F)F)OCC Chemical compound C(C)OP1(=NP(=NP(=N1)(F)F)(F)F)OCC XILBBBKPGSBWAK-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
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- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 description 1
- 229910002640 NiOOH Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
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- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical class [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
- LOZAIRWAADCOHQ-UHFFFAOYSA-N triphosphazene Chemical compound PNP=NP LOZAIRWAADCOHQ-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- H01M10/05—Accumulators with non-aqueous electrolyte
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- 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
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Abstract
전해액(비수 전해질 조성물) 중에, 술폰산에스테르와 포스파젠 화합물을 공존시켜, 술폰산에스테르의 가수 분해를 포스파젠 화합물에 의해 억제한다.
Description
Claims (7)
- 지지 전해질과, 비수 용매와, 술폰산에스테르와, 포스파젠 화합물을 함유하고 있는 것을 특징으로 하는, 비수 전해질 조성물.
- 제1항에 있어서, 상기 포스파젠 화합물의 함유량이, 지지 전해질과 비수 용매의 합계에 대한 질량비로 0.1 내지 10%인 것을 특징으로 하는, 비수 전해질 조성물.
- 제1항 또는 제2항에 있어서, 상기 포스파젠 화합물이 다음 화학식 1로 나타내어지는 환상 포스파젠 및 다음 화학식 2로 나타내어지는 쇄상 포스파젠으로 이루어지는 군으로부터 선택되는 적어도 1종의 화합물인 것을 특징으로 하는, 비수 전해질 조성물.
[화학식 1]
[화학식 2]
[식 중의 R은 서로 동일하거나 상이할 수 있으며, 탄소수 1 내지 4의 알킬기, 탄소수 1 내지 6의 알콕시기, 탄소수 2 내지 7의 카르복실기, 탄소수 2 내지 7의 카르보닐기, 탄소수 6 내지 8의 아릴기, 탄소수 2 내지 8의 알케닐기, 또는 할로겐 원소 중 어느 하나이며, 단 할로겐 원소를 제외한 이들기의 수소의 일부 또는 전부가 할로겐 원소로 치환될 수 있고, n은 0 이상 10 이하의 정수임] - 제1항 또는 제2항에 있어서, 상기 술폰산에스테르의 함유량이, 지지 전해질과 비수 용매의 합계에 대한 질량비로 0.01 내지 10%인 것을 특징으로 하는, 비수 전해질 조성물.
- 제1항 또는 제2항에 있어서, 상기 지지 전해질이 LiPF6, LiBF4, Li(CF3SO2)2N, Li(CF3CF2SO2)2N 및 Li(FSO2)2N으로 이루어지는 군으로부터 선택되는 적어도 1종의 화합물인 것을 특징으로 하는, 비수 전해질 조성물.
- 제1항 또는 제2항에 기재된 비수 전해질 조성물을 사용한 것을 특징으로 하는, 비수 전해질 2차 전지.
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JP2010235117A JP5601576B2 (ja) | 2010-10-20 | 2010-10-20 | 非水電解質組成物及び非水電解質二次電池 |
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WO2018004259A3 (ko) * | 2016-06-30 | 2018-02-22 | 중앙대학교 산학협력단 | 이온전도성 막의 제조 방법 |
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JP5582573B2 (ja) * | 2010-11-09 | 2014-09-03 | 日本電気株式会社 | 二次電池およびそれに用いる二次電池用電解液 |
EP2763231B1 (en) * | 2011-09-26 | 2018-10-24 | Fujifilm Corporation | Electrolyte solution for nonaqueous secondary batteries, and secondary battery |
JP5801765B2 (ja) * | 2012-06-20 | 2015-10-28 | 富士フイルム株式会社 | 非水二次電池用電解液および非水電解液二次電池 |
KR20140065768A (ko) | 2012-11-21 | 2014-05-30 | 삼성에스디아이 주식회사 | 리튬 이차 전지 및 리튬 이차 전지용 음극 |
KR102232176B1 (ko) | 2012-12-13 | 2021-03-24 | 에리 파워 가부시키가이샤 | 비수성 전해질 이차 전지 제조 방법 |
JP2014170689A (ja) * | 2013-03-04 | 2014-09-18 | Mitsui Chemicals Inc | 非水電解液及びリチウム二次電池 |
TWI575803B (zh) * | 2013-11-19 | 2017-03-21 | Asahi Chemical Ind | 非水系鋰型蓄電元件 |
CN105024093B (zh) * | 2014-04-21 | 2017-03-15 | 宁德时代新能源科技股份有限公司 | 锂离子二次电池及其电解液 |
CN109935904B (zh) * | 2017-12-15 | 2021-08-20 | 华为技术有限公司 | 一种电解液添加剂、锂二次电池电解液和锂二次电池 |
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