JP2020068123A - 電池 - Google Patents
電池 Download PDFInfo
- Publication number
- JP2020068123A JP2020068123A JP2018200252A JP2018200252A JP2020068123A JP 2020068123 A JP2020068123 A JP 2020068123A JP 2018200252 A JP2018200252 A JP 2018200252A JP 2018200252 A JP2018200252 A JP 2018200252A JP 2020068123 A JP2020068123 A JP 2020068123A
- Authority
- JP
- Japan
- Prior art keywords
- active material
- material layer
- lithium
- thickness
- layer
- 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.)
- Granted
Links
- 239000011149 active material Substances 0.000 claims abstract description 154
- 239000000463 material Substances 0.000 claims abstract description 60
- 229920003235 aromatic polyamide Polymers 0.000 claims description 12
- 239000004760 aramid Substances 0.000 claims description 10
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 4
- 239000000347 magnesium hydroxide Substances 0.000 claims description 4
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 4
- 239000012752 auxiliary agent Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 8
- 239000010410 layer Substances 0.000 description 220
- -1 polyethylene Polymers 0.000 description 51
- 229920005989 resin Polymers 0.000 description 34
- 239000011347 resin Substances 0.000 description 34
- 239000002131 composite material Substances 0.000 description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 16
- 239000011230 binding agent Substances 0.000 description 16
- 239000002002 slurry Substances 0.000 description 14
- 229910002804 graphite Inorganic materials 0.000 description 12
- 239000010439 graphite Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 12
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical group CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 11
- 238000009782 nail-penetration test Methods 0.000 description 11
- 239000002904 solvent Substances 0.000 description 11
- 239000004698 Polyethylene Substances 0.000 description 10
- 229920000573 polyethylene Polymers 0.000 description 10
- 239000002033 PVDF binder Substances 0.000 description 8
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000008151 electrolyte solution Substances 0.000 description 6
- 239000011888 foil Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 239000002482 conductive additive Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 5
- 229920006015 heat resistant resin Polymers 0.000 description 5
- 239000011256 inorganic filler Substances 0.000 description 5
- 229910003475 inorganic filler Inorganic materials 0.000 description 5
- 229910021382 natural graphite Inorganic materials 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910003002 lithium salt Inorganic materials 0.000 description 4
- 159000000002 lithium salts Chemical class 0.000 description 4
- 239000012982 microporous membrane Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052788 barium Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000011255 nonaqueous electrolyte Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium 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
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- 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
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910015044 LiB Inorganic materials 0.000 description 2
- 229910013716 LiNi Inorganic materials 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- OHOIHSTWKIMQNC-UHFFFAOYSA-N [Li].[P]=O Chemical class [Li].[P]=O OHOIHSTWKIMQNC-UHFFFAOYSA-N 0.000 description 2
- MIIWNPFNUSIUTE-UHFFFAOYSA-N [Na].[Li].[Ni] Chemical compound [Na].[Li].[Ni] MIIWNPFNUSIUTE-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 230000008602 contraction Effects 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
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 2
- GAEKPEKOJKCEMS-UHFFFAOYSA-N gamma-valerolactone Chemical compound CC1CCC(=O)O1 GAEKPEKOJKCEMS-UHFFFAOYSA-N 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- RSNHXDVSISOZOB-UHFFFAOYSA-N lithium nickel Chemical compound [Li].[Ni] RSNHXDVSISOZOB-UHFFFAOYSA-N 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 2
- 150000008053 sultones Chemical class 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- PYOKUURKVVELLB-UHFFFAOYSA-N trimethyl orthoformate Chemical compound COC(OC)OC PYOKUURKVVELLB-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 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
- 125000001989 1,3-phenylene group Chemical group [H]C1=C([H])C([*:1])=C([H])C([*:2])=C1[H] 0.000 description 1
- OIXJTNWUBMSVJM-UHFFFAOYSA-N 2,10-dioxatricyclo[9.2.2.14,8]hexadeca-1(14),4(16),5,7,11(15),12-hexaene-3,9-dione Chemical compound O1C(=O)C(C=2)=CC=CC=2C(=O)OC2=CC=C1C=C2 OIXJTNWUBMSVJM-UHFFFAOYSA-N 0.000 description 1
- IZXIZTKNFFYFOF-UHFFFAOYSA-N 2-Oxazolidone Chemical class O=C1NCCO1 IZXIZTKNFFYFOF-UHFFFAOYSA-N 0.000 description 1
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-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
- VWIIJDNADIEEDB-UHFFFAOYSA-N 3-methyl-1,3-oxazolidin-2-one Chemical compound CN1CCOC1=O VWIIJDNADIEEDB-UHFFFAOYSA-N 0.000 description 1
- SBUOHGKIOVRDKY-UHFFFAOYSA-N 4-methyl-1,3-dioxolane Chemical compound CC1COCO1 SBUOHGKIOVRDKY-UHFFFAOYSA-N 0.000 description 1
- 229920003026 Acene Polymers 0.000 description 1
- 239000004953 Aliphatic polyamide Substances 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical compound C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000570 Cupronickel Inorganic materials 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910010238 LiAlCl 4 Inorganic materials 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013372 LiC 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910012513 LiSbF 6 Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 description 1
- 241001676573 Minium Species 0.000 description 1
- 229910017156 Ni0.80Co0.15Al0.05 Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- BKHKEVLZEKMJMP-UHFFFAOYSA-N [Ba].[Mn].[Co].[Ni].[Li] Chemical compound [Ba].[Mn].[Co].[Ni].[Li] BKHKEVLZEKMJMP-UHFFFAOYSA-N 0.000 description 1
- QVNBYANSSWEYMK-UHFFFAOYSA-N [Ba].[Mn].[Ni].[Li] Chemical compound [Ba].[Mn].[Ni].[Li] QVNBYANSSWEYMK-UHFFFAOYSA-N 0.000 description 1
- YBERSDYNOCMCHQ-UHFFFAOYSA-N [Ba].[Na].[Mn].[Co].[Ni].[Li] Chemical compound [Ba].[Na].[Mn].[Co].[Ni].[Li] YBERSDYNOCMCHQ-UHFFFAOYSA-N 0.000 description 1
- BQDFLLRVBJUFLR-UHFFFAOYSA-N [Ba].[Na].[Mn].[Ni].[Li] Chemical compound [Ba].[Na].[Mn].[Ni].[Li] BQDFLLRVBJUFLR-UHFFFAOYSA-N 0.000 description 1
- LTXAZTNFCRUVRE-UHFFFAOYSA-N [Ba].[Ni].[Li] Chemical compound [Ba].[Ni].[Li] LTXAZTNFCRUVRE-UHFFFAOYSA-N 0.000 description 1
- ZIFWADVSXPYVOL-UHFFFAOYSA-N [Co].[Mn].[Ni].[Li].[Mg] Chemical compound [Co].[Mn].[Ni].[Li].[Mg] ZIFWADVSXPYVOL-UHFFFAOYSA-N 0.000 description 1
- PFYQFCKUASLJLL-UHFFFAOYSA-N [Co].[Ni].[Li] Chemical compound [Co].[Ni].[Li] PFYQFCKUASLJLL-UHFFFAOYSA-N 0.000 description 1
- SJFAFCHQFVMLHI-UHFFFAOYSA-N [Co].[Ni].[Li].[Mg] Chemical compound [Co].[Ni].[Li].[Mg] SJFAFCHQFVMLHI-UHFFFAOYSA-N 0.000 description 1
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 description 1
- QLMMLICKEQVGDC-UHFFFAOYSA-N [Mg].[Ba].[Mn].[Co].[Ni].[Li] Chemical compound [Mg].[Ba].[Mn].[Co].[Ni].[Li] QLMMLICKEQVGDC-UHFFFAOYSA-N 0.000 description 1
- DUIABZCGHWNFSB-UHFFFAOYSA-N [Mg].[Ba].[Mn].[Ni].[Li] Chemical compound [Mg].[Ba].[Mn].[Ni].[Li] DUIABZCGHWNFSB-UHFFFAOYSA-N 0.000 description 1
- GZTKXELNCLFNLG-UHFFFAOYSA-N [Mg].[Ba].[Na].[Mn].[Ni].[Li] Chemical compound [Mg].[Ba].[Na].[Mn].[Ni].[Li] GZTKXELNCLFNLG-UHFFFAOYSA-N 0.000 description 1
- JHTOFKVZLIENDA-UHFFFAOYSA-N [Mg].[Ba].[Na].[Ni].[Li] Chemical compound [Mg].[Ba].[Na].[Ni].[Li] JHTOFKVZLIENDA-UHFFFAOYSA-N 0.000 description 1
- IUNNZSKGWOQDRT-UHFFFAOYSA-N [Mg].[Ba].[Ni].[Li] Chemical compound [Mg].[Ba].[Ni].[Li] IUNNZSKGWOQDRT-UHFFFAOYSA-N 0.000 description 1
- KTPWLZCETTWCBM-UHFFFAOYSA-N [Mg].[Mn].[Ni].[Li] Chemical compound [Mg].[Mn].[Ni].[Li] KTPWLZCETTWCBM-UHFFFAOYSA-N 0.000 description 1
- ZBIDHVHSPIHMRK-UHFFFAOYSA-N [Mg].[Na].[Co].[Ni].[Li] Chemical compound [Mg].[Na].[Co].[Ni].[Li] ZBIDHVHSPIHMRK-UHFFFAOYSA-N 0.000 description 1
- IGFDWOQFMJJFBL-UHFFFAOYSA-N [Mg].[Na].[Mn].[Co].[Ni].[Li] Chemical compound [Mg].[Na].[Mn].[Co].[Ni].[Li] IGFDWOQFMJJFBL-UHFFFAOYSA-N 0.000 description 1
- SJOFMWRJADLIQF-UHFFFAOYSA-N [Mg].[Na].[Mn].[Ni].[Li] Chemical compound [Mg].[Na].[Mn].[Ni].[Li] SJOFMWRJADLIQF-UHFFFAOYSA-N 0.000 description 1
- GAMJFEZHVXKUGU-UHFFFAOYSA-N [Mg].[Na].[Ni].[Li] Chemical compound [Mg].[Na].[Ni].[Li] GAMJFEZHVXKUGU-UHFFFAOYSA-N 0.000 description 1
- HNWGSFPWLVBXFE-UHFFFAOYSA-N [Mn].[Ni].[Na].[Li] Chemical compound [Mn].[Ni].[Na].[Li] HNWGSFPWLVBXFE-UHFFFAOYSA-N 0.000 description 1
- CUTSCJHLMGPBEJ-UHFFFAOYSA-N [N].CN(C)C=O Chemical compound [N].CN(C)C=O CUTSCJHLMGPBEJ-UHFFFAOYSA-N 0.000 description 1
- CSMTYABJMJCWPF-UHFFFAOYSA-N [Na].[Co].[Ni].[Li] Chemical compound [Na].[Co].[Ni].[Li] CSMTYABJMJCWPF-UHFFFAOYSA-N 0.000 description 1
- MPWJRUZHPCKXSA-UHFFFAOYSA-N [Na].[Mn].[Co].[Ni].[Li] Chemical compound [Na].[Mn].[Co].[Ni].[Li] MPWJRUZHPCKXSA-UHFFFAOYSA-N 0.000 description 1
- PRZRKEWSXKDOHL-UHFFFAOYSA-N [Ni].[Li].[Mg] Chemical compound [Ni].[Li].[Mg] PRZRKEWSXKDOHL-UHFFFAOYSA-N 0.000 description 1
- ZYXUQEDFWHDILZ-UHFFFAOYSA-N [Ni].[Mn].[Li] Chemical compound [Ni].[Mn].[Li] ZYXUQEDFWHDILZ-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
- 239000006230 acetylene black Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920005822 acrylic binder Polymers 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229920003231 aliphatic polyamide Polymers 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 239000012461 cellulose resin Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- CKFRRHLHAJZIIN-UHFFFAOYSA-N cobalt lithium Chemical compound [Li].[Co] CKFRRHLHAJZIIN-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 229910003472 fullerene Inorganic materials 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000003273 ketjen black Substances 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- WABPQHHGFIMREM-NOHWODKXSA-N lead-200 Chemical compound [200Pb] WABPQHHGFIMREM-NOHWODKXSA-N 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910021443 lithium nickel cobalt manganese complex oxide Inorganic materials 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
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229940017219 methyl propionate Drugs 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000002116 nanohorn Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- MHYFEEDKONKGEB-UHFFFAOYSA-N oxathiane 2,2-dioxide Chemical compound O=S1(=O)CCCCO1 MHYFEEDKONKGEB-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 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
- 239000005022 packaging material Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229920006012 semi-aromatic polyamide Polymers 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 150000007984 tetrahydrofuranes Chemical class 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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Abstract
Description
正極又は負極として機能可能な電極と、
基材と、絶縁層と、を含むセパレータと、
を含み、
前記電極は、第1面及び前記第1面の反対側の第2面を有する集電体と、前記集電体の前記第1面上に位置し、60μm以下の厚さを有する活物質層と、を含み、
前記基材の厚さに対する前記絶縁層の厚さの比が1.50以上3.00以下である、電池が提供される。
以下のようにして電池10を製造した。
活物質:94.0質量部のリチウムニッケル含有複合酸化物(化学式:Li(Ni0.80Co0.15Al0.05)O2)
導電助剤:2.0質量部の球状黒鉛及び1.0質量部の鱗片状黒鉛
バインダー樹脂:3.0質量部のポリフッ化ビニリデン(PVDF)
次いで、このスラリーを15μmのアルミニウム箔(集電体110)の両面(第1面112及び第2面114)上に塗布し、スラリーを乾燥させ、プレスを実施して、活物質層120(活物質層122及び活物質層124)を形成した。活物質層122の活物質の密度は、3.35g/cm3であり、活物質層122の厚さは、36.6μmである。活物質層124の活物質の密度は、3.35g/cm3であり、活物質層124の厚さは、36.6μmである。
活物質:77.36質量部の天然黒鉛(平均粒径:16.0μm)及び19.34質量部の天然黒鉛(平均粒径:10.5μm)
導電助剤:0.3質量部の球状黒鉛
バインダー樹脂:2.0質量部のスチレン・ブタジエンゴム(SBR)
増粘剤:1.0質量部のカルボキシメチルセルロース(CMC)
次いで、このスラリーを8μmの銅箔(集電体210)の両面(第1面212及び第2面214)上に塗布し、スラリーを乾燥させ、プレスを実施して、活物質層220(活物質層222及び活物質層224)を形成した。活物質層222の活物質の密度は、1.55g/cm3であり、活物質層222の厚さは、50.0μmである。活物質層224の活物質の密度は、1.55g/cm3であり、活物質層224の厚さは、50.0μmである。
無機フィラー:水酸化マグネシウム
樹脂:メタ系アラミド
次いで、この溶液を6.0μmのポリエチレンフィルム(基材310)の両面(第1面312及び第2面314)上に塗布して絶縁層320(絶縁層322及び絶縁層324)を形成した。絶縁層322の厚さ(8.0μm)及び絶縁層324の厚さ(8.0μm)の合計は、16.0μmである。
◎:試験開始から3分後の時点で発火が観察されなかった
○:試験開始から3分未満に発火が観察されなかった(試験開始から3分後の時点で発火が観察された)
×:試験開始から10秒未満に発火が観察された
実施例2は、基材310の厚さが9.0μmであり、かつ絶縁層322の厚さ(8.0μm)及び絶縁層324の厚さ(8.0μm)の合計が16.0μmである点を除いて、実施例1と同様とした。
比較例1は、基材310の厚さが7.5μmであり、かつ絶縁層322の厚さ(3.75μm)及び絶縁層324の厚さ(3.75μm)の合計が7.5μmである点を除いて、実施例1と同様とした。
比較例2は、基材310の厚さが9.0μmであり、かつ絶縁層322の厚さ(6.0μm)及び絶縁層324の厚さ(6.0μm)の合計が12.0μmである点を除いて、実施例1と同様とした。
12 積層体
100 正極
110 集電体
112 第1面
114 第2面
120 活物質層
122 活物質層
124 活物質層
130 第1リード
200 負極
210 集電体
212 第1面
214 第2面
220 活物質層
222 活物質層
224 活物質層
230 第2リード
300 セパレータ
310 基材
312 第1面
314 第2面
320 絶縁層
322 絶縁層
324 絶縁層
400 外装材
Claims (5)
- 正極又は負極として機能可能な電極と、
基材と、絶縁層と、を含むセパレータと、
を含み、
前記電極は、第1面及び前記第1面の反対側の第2面を有する集電体と、前記集電体の前記第1面上に位置し、60μm以下の厚さを有する活物質層と、を含み、
前記基材の厚さに対する前記絶縁層の厚さの比が1.50以上3.00以下である、電池。 - 請求項1に記載の電池において、
前記絶縁層は、水酸化マグネシウムを含む、電池。 - 請求項1又は2に記載の電池において、
前記絶縁層は、芳香族ポリアミドをさらに含む、電池。 - 請求項1から3までのいずれか一項に記載の電池において、
前記正極は、活物質層を含み、
前記正極の前記活物質層は、前記正極の前記活物質層の総質量100質量部に対して5.0質量部以上の導電助剤を含む、電池。 - 請求項1から4までのいずれか一項に記載の電池において、
前記セパレータは、隣り合う前記正極及び前記負極の間に前記セパレータの一部分が位置するように、つづら折りに折り返されている、電池。
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JP2018200252A JP7198041B2 (ja) | 2018-10-24 | 2018-10-24 | 電池 |
US16/661,496 US20200136100A1 (en) | 2018-10-24 | 2019-10-23 | Battery |
CN201911016004.8A CN111092190A (zh) | 2018-10-24 | 2019-10-23 | 电池 |
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JP2018200252A JP7198041B2 (ja) | 2018-10-24 | 2018-10-24 | 電池 |
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JP7198041B2 JP7198041B2 (ja) | 2022-12-28 |
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WO2020184360A1 (ja) * | 2019-03-08 | 2020-09-17 | 株式会社エンビジョンAescエナジーデバイス | 電池 |
JP7495528B2 (ja) | 2021-01-25 | 2024-06-04 | エルジー・ケム・リミテッド | リチウム二次電池用セパレータ及びそれを備えたリチウム二次電池 |
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CN112751137B (zh) * | 2020-12-30 | 2024-04-26 | 远景动力技术(江苏)有限公司 | 一种设置隔膜涂胶层的方法 |
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JP7495528B2 (ja) | 2021-01-25 | 2024-06-04 | エルジー・ケム・リミテッド | リチウム二次電池用セパレータ及びそれを備えたリチウム二次電池 |
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