WO2009066946A2 - Secondary battery with improved storage characteristics and method for manufacturing the same - Google Patents
Secondary battery with improved storage characteristics and method for manufacturing the same Download PDFInfo
- Publication number
- WO2009066946A2 WO2009066946A2 PCT/KR2008/006856 KR2008006856W WO2009066946A2 WO 2009066946 A2 WO2009066946 A2 WO 2009066946A2 KR 2008006856 W KR2008006856 W KR 2008006856W WO 2009066946 A2 WO2009066946 A2 WO 2009066946A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- silane
- group
- acid
- modifying agent
- inorganic particles
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims description 21
- 238000003860 storage Methods 0.000 title abstract description 16
- 230000001976 improved effect Effects 0.000 title description 5
- 239000010954 inorganic particle Substances 0.000 claims abstract description 28
- 239000003792 electrolyte Substances 0.000 claims abstract description 24
- 239000002002 slurry Substances 0.000 claims description 40
- 239000003795 chemical substances by application Substances 0.000 claims description 34
- 125000000524 functional group Chemical group 0.000 claims description 20
- 239000002904 solvent Substances 0.000 claims description 19
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 claims description 16
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 claims description 16
- 239000000654 additive Substances 0.000 claims description 14
- 230000000996 additive effect Effects 0.000 claims description 14
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims description 13
- JJQZDUKDJDQPMQ-UHFFFAOYSA-N dimethoxy(dimethyl)silane Chemical compound CO[Si](C)(C)OC JJQZDUKDJDQPMQ-UHFFFAOYSA-N 0.000 claims description 13
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 claims description 10
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 9
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 9
- YYLGKUPAFFKGRQ-UHFFFAOYSA-N dimethyldiethoxysilane Chemical compound CCO[Si](C)(C)OCC YYLGKUPAFFKGRQ-UHFFFAOYSA-N 0.000 claims description 9
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 9
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 claims description 9
- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 claims description 9
- ALYNCZNDIQEVRV-UHFFFAOYSA-N 4-aminobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1 ALYNCZNDIQEVRV-UHFFFAOYSA-N 0.000 claims description 8
- 229910019142 PO4 Inorganic materials 0.000 claims description 8
- QLZHNIAADXEJJP-UHFFFAOYSA-N Phenylphosphonic acid Chemical compound OP(O)(=O)C1=CC=CC=C1 QLZHNIAADXEJJP-UHFFFAOYSA-N 0.000 claims description 8
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 8
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 claims description 8
- 229960004050 aminobenzoic acid Drugs 0.000 claims description 8
- 229940074391 gallic acid Drugs 0.000 claims description 8
- 235000004515 gallic acid Nutrition 0.000 claims description 8
- 229960002446 octanoic acid Drugs 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 8
- 239000010452 phosphate Substances 0.000 claims description 8
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 claims description 8
- 229910000077 silane Inorganic materials 0.000 claims description 8
- YACKEPLHDIMKIO-UHFFFAOYSA-N methylphosphonic acid Chemical compound CP(O)(O)=O YACKEPLHDIMKIO-UHFFFAOYSA-N 0.000 claims description 7
- NYYLZXREFNYPKB-UHFFFAOYSA-N 1-[ethoxy(methyl)phosphoryl]oxyethane Chemical compound CCOP(C)(=O)OCC NYYLZXREFNYPKB-UHFFFAOYSA-N 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 20
- 239000010410 layer Substances 0.000 description 18
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 16
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 15
- VONWDASPFIQPDY-UHFFFAOYSA-N dimethyl methylphosphonate Chemical compound COP(C)(=O)OC VONWDASPFIQPDY-UHFFFAOYSA-N 0.000 description 15
- 229910001416 lithium ion Inorganic materials 0.000 description 15
- -1 polyethylene Polymers 0.000 description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 13
- 229910052744 lithium Inorganic materials 0.000 description 13
- 239000000843 powder Substances 0.000 description 13
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- 229920000642 polymer Polymers 0.000 description 12
- 239000004698 Polyethylene Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 229920000573 polyethylene Polymers 0.000 description 9
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000002131 composite material Substances 0.000 description 7
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 6
- 238000003618 dip coating Methods 0.000 description 6
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 6
- 230000007774 longterm Effects 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 229910013872 LiPF Inorganic materials 0.000 description 4
- 101150058243 Lipf gene Proteins 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 4
- 238000000498 ball milling Methods 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 239000006182 cathode active material Substances 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 239000006183 anode active material Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 229910003002 lithium salt Inorganic materials 0.000 description 3
- 159000000002 lithium salts Chemical class 0.000 description 3
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 3
- 150000004756 silanes Chemical class 0.000 description 3
- AYEKOFBPNLCAJY-UHFFFAOYSA-O thiamine pyrophosphate Chemical compound CC1=C(CCOP(O)(=O)OP(O)(O)=O)SC=[N+]1CC1=CN=C(C)N=C1N AYEKOFBPNLCAJY-UHFFFAOYSA-O 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- 229910012820 LiCoO Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007607 die coating method Methods 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003623 enhancer Substances 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000011255 nonaqueous electrolyte Substances 0.000 description 2
- 150000003009 phosphonic acids Chemical class 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- YTZKOQUCBOVLHL-UHFFFAOYSA-N tert-butylbenzene Chemical compound CC(C)(C)C1=CC=CC=C1 YTZKOQUCBOVLHL-UHFFFAOYSA-N 0.000 description 2
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- LZDKZFUFMNSQCJ-UHFFFAOYSA-N 1,2-diethoxyethane Chemical compound CCOCCOCC LZDKZFUFMNSQCJ-UHFFFAOYSA-N 0.000 description 1
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 1
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 1
- PPDFQRAASCRJAH-UHFFFAOYSA-N 2-methylthiolane 1,1-dioxide Chemical compound CC1CCCS1(=O)=O PPDFQRAASCRJAH-UHFFFAOYSA-N 0.000 description 1
- IXIDQWJXRMPFRX-UHFFFAOYSA-N 4-ethyl-1,3-dioxol-2-one Chemical compound CCC1=COC(=O)O1 IXIDQWJXRMPFRX-UHFFFAOYSA-N 0.000 description 1
- HXXOPVULXOEHTK-UHFFFAOYSA-N 4-methyl-1,3-dioxol-2-one Chemical compound CC1=COC(=O)O1 HXXOPVULXOEHTK-UHFFFAOYSA-N 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910015013 LiAsF Inorganic materials 0.000 description 1
- 229910013075 LiBF Inorganic materials 0.000 description 1
- 229910032387 LiCoO2 Inorganic materials 0.000 description 1
- 229910013131 LiN Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 241000156302 Porcine hemagglutinating encephalomyelitis virus Species 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-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
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- RFRXIWQYSOIBDI-UHFFFAOYSA-N benzarone Chemical compound CCC=1OC2=CC=CC=C2C=1C(=O)C1=CC=C(O)C=C1 RFRXIWQYSOIBDI-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009791 electrochemical migration reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229920006015 heat resistant resin Polymers 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- KKQAVHGECIBFRQ-UHFFFAOYSA-N methyl propyl carbonate Chemical compound CCCOC(=O)OC KKQAVHGECIBFRQ-UHFFFAOYSA-N 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 229940032159 propylene carbonate Drugs 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0567—Liquid materials characterised by the additives
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/431—Inorganic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
-
- 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
- H01M2300/0025—Organic electrolyte
- H01M2300/0028—Organic electrolyte characterised by the solvent
- H01M2300/0037—Mixture of solvents
-
- 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
- H01M2300/0088—Composites
- H01M2300/0091—Composites in the form of mixtures
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a secondary battery with improved storage characteristics and a method for manufacturing the same.
- the lithium secondary battery uses a metal oxide such as LiCoO as a cathode active material and a carbon material as an anode active material and is fabricated by disposition of a porous polyolefin separator between the anode and the cathode, followed by injection of a non-aqueous electrolyte containing a lithium salt such as LiPF .
- a metal oxide such as LiCoO
- a carbon material such as carbon dioxide
- the present invention has been made in view of the above problems, and it is an object of the present invention to provide a method for manufacturing a lithium ion battery which is capable of achieving excellent storage characteristics while securing thermal and electrical stability of the battery, through the use of a modified organic/inorganic composite film as a separator.
- a method for manufacturing a secondary battery comprising the step of preparing a separator: including stirring inorganic particles and a solution containing a modifying agent to modify the inorganic particles, preparing a slurry containing the modified inorganic particles, a solvent and a resin and applying the slurry to at least one surface of an organic film to form an inorganic layer.
- the modifying agent may have a functional group that reacts with an OH group of inorganic particles.
- the modifying agent may be at least one material selected from the group consisting of dimethyl dimethoxy silane, dimethyl diethoxy silane, methyl trimethoxy silane, vinyl trimethoxy silane, phenyl trimethoxy silane, tetraethoxy silane, phenyl phosphonic acid, methyl phosphonic acid, triphenyl phosphate, diethylmethyl phosphonate, octanoic acid, gallic acid, and aminobenzoic acid.
- the functional group of the modifying agent and the OH group of the inorganic particles may be mixed and stirred in a molar ratio of 1:5 to 1:10.
- a method for manufacturing a secondary battery comprising the step of preparing a separator: including preparing a slurry containing a modifying agent, inorganic particles, a solvent and a resin, and applying the slurry to at least one surface of an organic separator to form an inorganic layer.
- the modifying agent may have a functional group that reacts with an OH group of the inorganic particles.
- the modifying agent may have at least one functional group selected from the group consisting of phosphonate, phosphate, phosphonic acid, silane, and carboxylic acid.
- the modifying agent may be at least one material selected from the group consisting of dimethyl dimethoxy silane, dimethyl diethoxy silane, methyl trimethoxy silane, vinyl trimethoxy silane, phenyl trimethoxy silane, tetraethoxy silane, phenyl phosphonic acid, methyl phosphonic acid, triphenyl phosphate, diethylmethyl phosphonate, octanoic acid, gallic acid, and aminobenzoic acid.
- the modifying agent may be added in the range of 1 to 20 wt%, based on the total weight of slurry.
- a method for manufacturing a secondary battery comprising the step of preparing an electrolyte: including preparing an electrolyte containing an additive having a functional group reactive with an OH group, an electrolyte salt and a solvent.
- the additive may include at least one material selected from the group consisting of dimethyl dimethoxy silane, dimethyl diethoxy silane, methyl trimethoxy silane, vinyl trimethoxy silane, phenyl trimethoxy silane, tetraethoxy silane, phenyl phosphonic acid, methyl phosphonic acid, triphenyl phosphate, diethylmethyl phosphonate, octanoic acid, gallic acid, and aminobenzoic acid.
- the additive may be added in the range of 0.1 wt% to 3 wt%, based on the total weight of the electrolyte.
- a secondary battery in a ⁇ jordance with the present invention includes a separator having an inorganic layer formed on at least one side of an organic separator.
- the inorganic layer has a structure with modification of active sites of inorganic particles into non-reactive sites.
- the separator in the form of an organic/inorganic composite film is prepared by coating a mixed slurry of a solvent, a resin and inorganic particles on an organic layer using a conventional method such as dip coating, die coating, roll coating, comma coating or any combination thereof, and drying the resulting coat to form an organic/ inorganic composite film.
- a conventional method such as dip coating, die coating, roll coating, comma coating or any combination thereof.
- an inorganic material forming the separator is hy- drophilic, which results in strong chemical adsorption of moisture, so long-term storage characteristics of the battery are significantly deteriorated.
- inorganic particles of the inorganic layer constituting the separator are modified into non-reactive sites, consequently inhibiting the risk of side reactions that may oxur between moisture and electrolytes, or the like.
- electrical and thermal stability and electrolyte wettability are improved and excellent high-temperature storage characteristics are also obtained.
- the separator is prepared by coating an inorganic particle-containing slurry on an organic film to form an inorganic layer. Coating of the slurry may be carried out by any conventional method known in the art, such as dip coating, die coating, roll coating, comma coating or any combination thereof.
- the organic film is preferably selected from a polyethylene separator, a polypropylene separator, a polyethylene/polypropylene bilayer separator, a polyethylene/polypropylene/polyethylene trilayer separator, a polypropylene/ polyethylene/polypropylene trilayer separator, an organic fiber filter paper and a ceramic separator.
- the slurry is prepared by mixing and dispersing inorganic particles and a heat- resistant resin in a solvent, using a disperser.
- the inorganic particles are supplied typically in a powder form, and are preferably formed of at least one metal oxide which is selected from the group consisting of alumina, titanium oxide, zirconium oxide, zinc oxide, silicon dioxide and magnesium oxide.
- Modification of the inorganic particles is carried out by inclusion of a modifying agent in a solvent (such as acetone, alcohol, etc.) prior to introduction of the particles into the slurry.
- a modifying agent such as acetone, alcohol, etc.
- the reaction may be carried out at room temperature to 6O 0 C for 1 to 24 hours.
- a content of the modifying agent may be in the range of 1 to 20 wt%, based on the total weight of the slurry.
- a molar ratio of a functional group of the modifying agent and OH group of the inorganic particles is preferably in the range of 1:5 to 1:10.
- the modifying agent may be at least one material selected from the group consisting of silanes such as dimethyl dimethoxy silane, dimethyl diethoxy silane, methyl trimethoxy silane, vinyl trimethoxy silane, phenyl trimethoxy silane, and tetraethoxy silane; phosphonic acids such as phenyl phosphonic acid, and methyl phosphonic add; phosphonates such as triphenyl phosphate, and dimethyl methyl phosphonate; and carboxylic acid such as octanoic acid, gallic acid, and aminobenzoic acid.
- silanes such as dimethyl dimethoxy silane, dimethyl diethoxy silane, methyl trimethoxy silane, vinyl trimethoxy silane, phenyl trimethoxy silane, and tetraethoxy silane
- phosphonic acids such as phenyl phosphonic acid, and methyl phosphonic add
- phosphonates such as triphenyl phosphate,
- the separator used in the secondary battery in accordance with the present invention may also be prepared with addition of a modifying agent to the slurry which is intended for the formation of an inorganic layer.
- the modifying agent having a functional group reactive with an OH group is added to a slurry containing inorganic particles, a solvent and a resin, and the resulting slurry is coated on a surface of an organic film, followed by drying to prepare a separator.
- the slurry is sufficiently mixed such that modification of the inorganic particles with the modifying agent can be sufficiently obtained, and the slurry is then coated on the organic film to thereby form an inorganic layer.
- the modifying agent may be at least one material selected from the group consisting of silanes such as dimethyl dimethoxy silane, dimethyl diethoxy silane, methyl trimethoxy silane, vinyl trimethoxy silane, phenyl trimethoxy silane, and tetraethoxy silane; phosphonic acids such as phenyl phosphonic acid, and methyl phosphonic acid; phosphonates such as triphenyl phosphate, and dimethyl methyl phosphonate; and carboxylic acid such as octanoic acid, gallic acid, and aminobenzoic acid.
- silanes such as dimethyl dimethoxy silane, dimethyl diethoxy silane, methyl trimethoxy silane, vinyl trimethoxy silane, phenyl trimethoxy silane, and tetraethoxy silane
- phosphonic acids such as phenyl phosphonic acid, and methyl phosphonic acid
- phosphonates such as triphenyl phosphate,
- a content of the modifying agent is lower than 1 wt%, substantially no reaction takes place. On the other hand, if a content of the modifying agent is higher than 10 wt%, there is substantially no difference in storage characteristics, when compared with addition of 1 to 10 wt%. Therefore, a content of the modifying agent in the slurry is preferably in the range of 1 to 10 wt%.
- a secondary battery in accordance with the present invention may also be fabricated with addition of an additive having a functional group reactive with an OH group to an electrolyte.
- the electrolyte is introduced into a battery at the final step of fabrication of a lithium secondary battery.
- the electrolyte contains a solvent and a lithium salt.
- lithium salt examples include
- the solvent may be at least one selected from the group consisting of aprotic high-dielectric-constant solvents such as ether, tetrahydrofuran, 1,2-dimethoxyethane, 1,2-diethoxy ethane, 1,3-dioxolane, sulfolane, methylsulfolane, acetonitrile, ethylene carbonate, propylenecarbonate, and butylene carbonate; and aprotic low-viscosity solvents such as dimethyl carbonate, ethyl methyl carbonate, diethyl carbonate, methyl propyl carbonate, propionitrile, anisole, and acetic add esters (e.g. methyl acetate) or propionic add esters.
- aprotic high-dielectric-constant solvents such as ether, tetrahydrofuran, 1,2-dimethoxyethane, 1,2-diethoxy ethane, 1,3-dioxolane, sul
- the additive that can be used in the present invention may be one having a functional group that reacts with an OH group.
- POH phosphonic add
- SiOR silane
- COOH carboxylic add
- the additive may be at least one selected from the group consisting of silanes such as dimethyl dimethoxy silane, dimethyl diethoxy silane, methyl trimethoxy silane, vinyl trimethoxy silane, phenyl trimethoxy silane and tetraethoxy silane; phosphonic adds such as phenyl phosphonic add and methyl phosphonic add; phosphonates such as triphenyl phosphate and dimethyl methyl phosphonate; and carboxylic adds such as octanoic add, gallic add and aminobenzoic add.
- silanes such as dimethyl dimethoxy silane, dimethyl diethoxy silane, methyl trimethoxy silane, vinyl trimethoxy silane, phenyl trimethoxy silane and tetraethoxy silane
- phosphonic adds such as phenyl phosphonic add and methyl phosphonic add
- phosphonates such as triphenyl phosphate and dimethyl methyl phospho
- a content of the additive is lower than 0.1 wt%, there is substantially no improvement of long-term storage characteristics. On the other hand, if a content of the additive is higher than 3 wt%, there is substantially no further improved effect, when compared with addition of 0.1 to 3 wt%. Therefore, a content of the additive is preferably in the range of 0.1 to 3 wt%.
- the electrolyte may further comprise an overcharge inhibitor, a life enhancer, and the like.
- the overcharge inhibitor may include biphenyl, alkylbiphenyl, cjclohexylbenzene, t-butylbenzene, diphenyl ether, benzofuran, and the like.
- the life enhancer may include vinylene carbonate, methylvinylene carbonate, ethylvinylene carbonate, 4-vinylethylene carbonate, and the like.
- PVdF-CTFE polyvinylidene fluoride -chlorotrifluoroethylene copolymer
- DMMP dimethyl methyl phosphonate
- a cathode, an anode, and a secondary battery were prepared in the same manner as in
- PVdF-CTFE polyvinylidene fluoride -chlorotrifluoroethylene copolymer
- the resulting slurry was coated on a polyethylene separator having a thickness of 20 ⁇ m, using a dip coating method. A thickness of the coated inorganic layer was adjusted to 5 ⁇ m.
- a cathode and an anode were prepared in the same manner as in Example 1.
- Example 4 A lithium secondary battery was fabricated in the same manner as in Example 1, except that Al O powder was modified with a solution containing triphenyl phosphate
- a lithium secondary battery was fabricated in the same manner as in Example 2, except that a slurry contained TPP instead of DMMP.
- a lithium secondary battery was fabricated in the same manner as in Example 3, except that TPP instead of DMMP was added to an electrolyte.
- a lithium secondary battery was fabricated in the same manner as in Example 1, except that Al O powder was modified with a solution containing dimethyldimethoxysilane (DMDS) instead of DMMP.
- DMDS dimethyldimethoxysilane
- Example 8 A lithium secondary battery was fabricated in the same manner as in Example 2, except that a slurry contained DMDS instead of DMMP. [102]
- anode [111] 92 wt% of carbon powder (anode active material), 6 wt% of PVdF (binder), and 2 wt% of carbon black (conductive material) were mixed in a solvent of N- methyl-2-pyrrolidone (NMP) to prepare an anode mixture slurry. The resulting anode mixture slurry was applied to copper foil having a thickness of 20 ⁇ m and then dried to prepare an anode, followed by roll pressing.
- NMP N- methyl-2-pyrrolidone
- PVdF-CTFE polyvinylidene fluoride -chlorotrifluoroethylene
- the resulting slurry was coated on a polyethylene separator having a thickness of 20 ⁇ m, using a dip coating method. A thickness of the coated inorganic layer was adjusted to 5 ⁇ m.
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Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010534888A JP5219309B2 (en) | 2007-11-21 | 2008-11-21 | A secondary battery having improved storage performance and a manufacturing method thereof. |
US12/681,798 US8277981B2 (en) | 2007-11-21 | 2008-11-21 | Secondary battery with improved storage characteristics and method for manufacturing the same |
EP08852562.1A EP2212948B1 (en) | 2007-11-21 | 2008-11-21 | Secondary battery with improved storage characteristics and method for manufacturing the same |
CN200880112618.XA CN101836312B (en) | 2007-11-21 | 2008-11-21 | Secondary battery with improved storage characteristics and method for manufacturing the same |
US13/593,695 US8580419B2 (en) | 2007-11-21 | 2012-08-24 | Secondary battery with improved storage characteristics and method for manufacturing the same |
Applications Claiming Priority (2)
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KR10-2007-0119118 | 2007-11-21 | ||
KR1020070119118A KR100976862B1 (en) | 2007-11-21 | 2007-11-21 | secondary battery with improved storage characteristics and method for manufacturing the same |
Related Child Applications (2)
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US12/681,798 A-371-Of-International US8277981B2 (en) | 2007-11-21 | 2008-11-21 | Secondary battery with improved storage characteristics and method for manufacturing the same |
US13/593,695 Continuation US8580419B2 (en) | 2007-11-21 | 2012-08-24 | Secondary battery with improved storage characteristics and method for manufacturing the same |
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WO2009066946A2 true WO2009066946A2 (en) | 2009-05-28 |
WO2009066946A3 WO2009066946A3 (en) | 2009-08-06 |
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PCT/KR2008/006856 WO2009066946A2 (en) | 2007-11-21 | 2008-11-21 | Secondary battery with improved storage characteristics and method for manufacturing the same |
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US (2) | US8277981B2 (en) |
EP (3) | EP2212948B1 (en) |
JP (2) | JP5219309B2 (en) |
KR (1) | KR100976862B1 (en) |
CN (2) | CN101836312B (en) |
WO (1) | WO2009066946A2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013535773A (en) * | 2010-07-19 | 2013-09-12 | オプトドット コーポレイション | Electrochemical battery separator |
EP2642554A1 (en) * | 2012-03-22 | 2013-09-25 | Samsung SDI Co., Ltd. | Separator and rechargeable lithium battery |
US10381623B2 (en) | 2015-07-09 | 2019-08-13 | Optodot Corporation | Nanoporous separators for batteries and related manufacturing methods |
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US12040506B2 (en) | 2015-04-15 | 2024-07-16 | Lg Energy Solution, Ltd. | Nanoporous separators for batteries and related manufacturing methods |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6447849A (en) * | 1987-08-11 | 1989-02-22 | Sekisui Chemical Co Ltd | Ceramic coating product and ceramic coating cutting tool |
KR101027120B1 (en) * | 2009-11-11 | 2011-04-05 | 한국수력원자력 주식회사 | The method for preparation of inorganic/organic composite membranes by radiation and inorganic/organic composite membranes thereof |
KR101312261B1 (en) * | 2010-12-30 | 2013-09-27 | 삼성전자주식회사 | Electrolyte solution for secondary lithium battery and secondary lithium battery using the same |
US8859130B2 (en) * | 2011-03-11 | 2014-10-14 | GM Global Technology Operations LLC | Battery cover for a high voltage automotive battery |
JP5988134B2 (en) * | 2011-05-11 | 2016-09-07 | 株式会社Gsユアサ | Electricity storage element |
FR2975098B1 (en) * | 2011-05-12 | 2014-02-07 | Centre Nat Rech Scient | REDOX GROUPED COMPOUNDS, USE THEREOF AS ELECTROLYTE ADDITIVES, ELECTROLYTE COMPOSITION AND ELECTROCHEMICAL SYSTEMS CONTAINING SAME |
DE112012005691B4 (en) | 2012-01-17 | 2021-11-25 | Toyota Jidosha Kabushiki Kaisha | Sealed lithium secondary battery |
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WO2014020545A1 (en) | 2012-07-30 | 2014-02-06 | Sabic Innovative Plastics Ip B.V. | High temperature melt integrity separator |
KR101584251B1 (en) * | 2012-11-22 | 2016-01-11 | 주식회사 엘지화학 | Electrolyte Solution for Lithium Secondary Battery and Lithium Secondary Battery Comprising The Same |
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EP2830125B9 (en) * | 2013-07-22 | 2016-12-21 | Sihl GmbH | Separator for an electrochemical cell and method for producing the same |
CN104466245A (en) * | 2013-09-13 | 2015-03-25 | 苏州纳新新能源科技有限公司 | Lithium ion battery electrolyte solution composition |
WO2015083861A1 (en) * | 2013-12-06 | 2015-06-11 | 에스케이이노베이션 주식회사 | Electrolyte for lithium secondary battery and lithium secondary battery comprising same |
JP5963012B2 (en) | 2014-04-21 | 2016-08-03 | トヨタ自動車株式会社 | Nonaqueous electrolyte secondary battery |
KR101670802B1 (en) | 2014-12-01 | 2016-10-31 | 에스케이씨 주식회사 | Porous membrane for secondary battery |
EP3041066B1 (en) | 2014-12-19 | 2017-11-29 | Samsung Electronics Co., Ltd | Composite membrane, preparation method thereof, anode structure including the composite membrane, and lithium secondary battery including the anode structure |
CN104617249A (en) * | 2015-02-12 | 2015-05-13 | 江苏华东锂电技术研究院有限公司 | Barium sulfate composite diaphragm as well as preparation method and lithium ion battery |
CN106092925B (en) * | 2016-06-01 | 2018-10-09 | 淄博火炬能源有限责任公司 | The assay method of gelatine effective content in borofluoride electro-deposition lead solution |
CN106129314B (en) * | 2016-08-15 | 2019-06-14 | 杭州威宏能源科技有限公司 | A kind of power lithium-ion battery |
CN106299222B (en) * | 2016-09-05 | 2019-05-07 | 东莞新能源科技有限公司 | A kind of diaphragm and its secondary cell |
CN108598565B (en) * | 2018-03-29 | 2020-04-28 | 武汉新能源研究院有限公司 | Preparation method of dimethyl methylphosphonate solid electrolyte and lithium ion battery |
WO2020059187A1 (en) | 2018-09-19 | 2020-03-26 | Kabushiki Kaisha Toshiba | Electrode, secondary battery, battery pack, vehicle, and stationary power supply |
JP7098558B2 (en) | 2018-09-19 | 2022-07-11 | 株式会社東芝 | Electrodes, rechargeable batteries, battery packs, vehicles, and stationary power supplies |
JP7030738B2 (en) | 2019-03-18 | 2022-03-07 | 株式会社東芝 | Electrodes, non-aqueous electrolyte batteries, battery packs and vehicles |
CN110707264B (en) * | 2019-09-19 | 2022-03-11 | 河北金力新能源科技股份有限公司 | High-conductivity coating diaphragm for lithium-sulfur battery and preparation method and application thereof |
CN112909430A (en) * | 2019-12-03 | 2021-06-04 | 恒大新能源技术(深圳)有限公司 | Lithium ion battery diaphragm and preparation method thereof and lithium ion battery |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3953241A (en) | 1970-03-12 | 1976-04-27 | Westinghouse Electric Corporation | Heat resistant substrates and battery separators made therefrom |
DE2415076C3 (en) * | 1973-03-30 | 1980-09-25 | Sekisui Kagaku Kogyo K.K., Osaka (Japan) | Process for the production of a plastic web with a pore layer structure as a separator for galvanic elements and its use |
JPH06302314A (en) * | 1993-04-01 | 1994-10-28 | Wr Grace & Co Connecticut | Battery separator |
JPH1092444A (en) * | 1996-09-13 | 1998-04-10 | Japan Gore Tex Inc | Solid high molecular electrolyte complex for electrochemical reaction device and electrochemical reaction device using it |
US6444343B1 (en) * | 1996-11-18 | 2002-09-03 | University Of Southern California | Polymer electrolyte membranes for use in fuel cells |
US6511774B1 (en) * | 1997-01-16 | 2003-01-28 | Mitsubishi Paper Mills Limited | Separator for nonaqueous electrolyte batteries, nonaqueous electrolyte battery using it, and method for manufacturing separator for nonaqueous electrolyte batteries |
DE19741498B4 (en) | 1997-09-20 | 2008-07-03 | Evonik Degussa Gmbh | Production of a ceramic stainless steel mesh composite |
JP2000173574A (en) | 1998-12-04 | 2000-06-23 | Mitsubishi Paper Mills Ltd | Manufacture of non-aqueous electrolyte battery |
US6416906B1 (en) * | 2000-01-05 | 2002-07-09 | Lithdyne Internatioal Inc. | Stabilized lithium electrochemical cells containing an alkoxy silane |
WO2001059871A1 (en) * | 2000-02-10 | 2001-08-16 | Mitsubishi Denki Kabushiki Kaisha | Nonaqueous electrolyte cell manufacturing method and cell manufactured thereby |
US7026074B2 (en) * | 2002-02-15 | 2006-04-11 | The University Of Chicago | Lithium ion battery with improved safety |
US7226696B2 (en) * | 2002-02-27 | 2007-06-05 | Rayovac Corporation | Alkaline cell with performance enhancing additives |
JP2003272591A (en) * | 2002-03-19 | 2003-09-26 | Denso Corp | Manufacturing method of separator for lithium battery |
DE10238945B4 (en) | 2002-08-24 | 2013-01-03 | Evonik Degussa Gmbh | Electric separator with shut-off mechanism, process for its preparation, use of the separator in lithium batteries and battery with the separator |
JP3649713B2 (en) | 2002-08-30 | 2005-05-18 | 三菱重工業株式会社 | Solid electrolyte |
KR100884795B1 (en) * | 2002-08-31 | 2009-02-23 | 삼성에스디아이 주식회사 | Polymer electrolyte and lithium battery employing the same |
US20040086782A1 (en) * | 2002-11-01 | 2004-05-06 | Celgard Inc. | Explosion-proof separator for Li-ion secondary batteries |
KR100509604B1 (en) * | 2003-01-14 | 2005-08-22 | 삼성에스디아이 주식회사 | Organic electrolytic solution and lithium battery employing the same |
KR100609693B1 (en) | 2004-04-24 | 2006-08-08 | 한국전자통신연구원 | Composite polymer electrolytes including lithium cationic single-ion conducting inorganic filler for lithium rechargeable battery and method for preparing the same |
DE102004018930A1 (en) * | 2004-04-20 | 2005-11-17 | Degussa Ag | Use of a ceramic separator in lithium-ion batteries having an electrolyte containing ionic liquids |
KR100670448B1 (en) * | 2004-05-31 | 2007-01-16 | 삼성에스디아이 주식회사 | Electrolyte for lithium ion secondary battery and Lithium ion secondary battery comprising the same |
WO2006004366A1 (en) | 2004-07-07 | 2006-01-12 | Lg Chem, Ltd. | New organic/inorganic composite porous film and electrochemical device prepared thereby |
KR100749301B1 (en) * | 2004-07-07 | 2007-08-14 | 주식회사 엘지화학 | New organic/inorganic composite porous film and electrochemical device prepared thereby |
JP4878800B2 (en) | 2004-09-22 | 2012-02-15 | 三星エスディアイ株式会社 | Lithium secondary battery |
KR100659854B1 (en) * | 2005-04-28 | 2006-12-19 | 삼성에스디아이 주식회사 | Lithium secondary battery |
KR100770105B1 (en) * | 2005-07-06 | 2007-10-24 | 삼성에스디아이 주식회사 | Lithium rechargeable battery |
CN100426562C (en) * | 2005-09-14 | 2008-10-15 | 松下电器产业株式会社 | Nonaqueous electrolyte secondary battery |
JP5128779B2 (en) | 2006-03-06 | 2013-01-23 | パナソニック株式会社 | Lithium ion secondary battery |
JP2007273123A (en) * | 2006-03-30 | 2007-10-18 | Matsushita Electric Ind Co Ltd | Nonaqueous electrolyte secondary battery and method of manufacturing same |
-
2007
- 2007-11-21 KR KR1020070119118A patent/KR100976862B1/en active IP Right Grant
-
2008
- 2008-11-21 EP EP08852562.1A patent/EP2212948B1/en active Active
- 2008-11-21 US US12/681,798 patent/US8277981B2/en active Active
- 2008-11-21 CN CN200880112618.XA patent/CN101836312B/en active Active
- 2008-11-21 JP JP2010534888A patent/JP5219309B2/en active Active
- 2008-11-21 WO PCT/KR2008/006856 patent/WO2009066946A2/en active Application Filing
- 2008-11-21 EP EP12168458A patent/EP2490280A1/en not_active Withdrawn
- 2008-11-21 EP EP13172875.0A patent/EP2642557B1/en active Active
- 2008-11-21 CN CN201410475106.7A patent/CN104300103B/en active Active
-
2012
- 2012-08-24 US US13/593,695 patent/US8580419B2/en active Active
-
2013
- 2013-03-04 JP JP2013042286A patent/JP5676666B2/en active Active
Non-Patent Citations (1)
Title |
---|
None |
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JP2017004961A (en) * | 2010-07-19 | 2017-01-05 | オプトドット コーポレイション | Separator for electrochemical battery |
US10833307B2 (en) | 2010-07-19 | 2020-11-10 | Optodot Corporation | Separators for electrochemical cells |
US11728544B2 (en) | 2010-07-19 | 2023-08-15 | Lg Energy Solution, Ltd. | Separators for electrochemical cells |
EP2642554A1 (en) * | 2012-03-22 | 2013-09-25 | Samsung SDI Co., Ltd. | Separator and rechargeable lithium battery |
US9083035B2 (en) | 2012-03-22 | 2015-07-14 | Samsung Sdi Co., Ltd. | Separator and rechargeable lithium battery |
US11387521B2 (en) | 2013-04-29 | 2022-07-12 | Optodot Corporation | Nanoporous composite separators with increased thermal conductivity |
US11217859B2 (en) | 2013-04-29 | 2022-01-04 | Optodot Corporation | Nanoporous composite separators with increased thermal conductivity |
US10879513B2 (en) | 2013-04-29 | 2020-12-29 | Optodot Corporation | Nanoporous composite separators with increased thermal conductivity |
US12040506B2 (en) | 2015-04-15 | 2024-07-16 | Lg Energy Solution, Ltd. | Nanoporous separators for batteries and related manufacturing methods |
US10381623B2 (en) | 2015-07-09 | 2019-08-13 | Optodot Corporation | Nanoporous separators for batteries and related manufacturing methods |
Also Published As
Publication number | Publication date |
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EP2212948B1 (en) | 2014-08-06 |
JP2013152937A (en) | 2013-08-08 |
CN101836312A (en) | 2010-09-15 |
KR20090052556A (en) | 2009-05-26 |
US20120321933A1 (en) | 2012-12-20 |
JP5219309B2 (en) | 2013-06-26 |
EP2212948A4 (en) | 2011-11-30 |
JP5676666B2 (en) | 2015-02-25 |
US20100255382A1 (en) | 2010-10-07 |
CN104300103A (en) | 2015-01-21 |
KR100976862B1 (en) | 2010-08-23 |
EP2212948A2 (en) | 2010-08-04 |
CN104300103B (en) | 2017-09-08 |
CN101836312B (en) | 2014-10-29 |
WO2009066946A3 (en) | 2009-08-06 |
US8580419B2 (en) | 2013-11-12 |
EP2642557B1 (en) | 2014-10-01 |
JP2011504287A (en) | 2011-02-03 |
EP2642557A1 (en) | 2013-09-25 |
EP2490280A1 (en) | 2012-08-22 |
US8277981B2 (en) | 2012-10-02 |
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