JP5922410B2 - リチウム二次電池用カソード活物質 - Google Patents
リチウム二次電池用カソード活物質 Download PDFInfo
- Publication number
- JP5922410B2 JP5922410B2 JP2011544382A JP2011544382A JP5922410B2 JP 5922410 B2 JP5922410 B2 JP 5922410B2 JP 2011544382 A JP2011544382 A JP 2011544382A JP 2011544382 A JP2011544382 A JP 2011544382A JP 5922410 B2 JP5922410 B2 JP 5922410B2
- Authority
- JP
- Japan
- Prior art keywords
- active material
- cathode active
- manganese
- lithium
- mass
- 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.)
- Active
Links
- 239000006182 cathode active material Substances 0.000 title claims description 41
- 229910052744 lithium Inorganic materials 0.000 title claims description 24
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 62
- 229910052799 carbon Inorganic materials 0.000 claims description 45
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 32
- 150000001875 compounds Chemical class 0.000 claims description 32
- 150000002500 ions Chemical class 0.000 claims description 32
- 239000007787 solid Substances 0.000 claims description 30
- 239000011149 active material Substances 0.000 claims description 26
- 239000011572 manganese Substances 0.000 claims description 26
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 23
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 22
- RSNHXDVSISOZOB-UHFFFAOYSA-N lithium nickel Chemical compound [Li].[Ni] RSNHXDVSISOZOB-UHFFFAOYSA-N 0.000 claims description 22
- -1 summer black Substances 0.000 claims description 21
- 229910000428 cobalt oxide Inorganic materials 0.000 claims description 20
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 16
- 229910052759 nickel Inorganic materials 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 229910017052 cobalt Inorganic materials 0.000 claims description 8
- 239000010941 cobalt Substances 0.000 claims description 8
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 8
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 4
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 4
- 229910021382 natural graphite Inorganic materials 0.000 claims description 4
- 239000006230 acetylene black Substances 0.000 claims description 3
- 239000006232 furnace black Substances 0.000 claims description 3
- 239000003273 ketjen black Substances 0.000 claims description 3
- 239000006233 lamp black Substances 0.000 claims description 3
- 239000011882 ultra-fine particle Substances 0.000 claims description 3
- 229910000659 lithium lanthanum titanates (LLT) Inorganic materials 0.000 claims description 2
- 229910001386 lithium phosphate Inorganic materials 0.000 claims description 2
- INHCSSUBVCNVSK-UHFFFAOYSA-L lithium sulfate Inorganic materials [Li+].[Li+].[O-]S([O-])(=O)=O INHCSSUBVCNVSK-UHFFFAOYSA-L 0.000 claims description 2
- RBTVSNLYYIMMKS-UHFFFAOYSA-N tert-butyl 3-aminoazetidine-1-carboxylate;hydrochloride Chemical compound Cl.CC(C)(C)OC(=O)N1CC(N)C1 RBTVSNLYYIMMKS-UHFFFAOYSA-N 0.000 claims description 2
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 claims description 2
- VGYDTVNNDKLMHX-UHFFFAOYSA-N lithium;manganese;nickel;oxocobalt Chemical compound [Li].[Mn].[Ni].[Co]=O VGYDTVNNDKLMHX-UHFFFAOYSA-N 0.000 claims 2
- 239000000463 material Substances 0.000 description 18
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 14
- 239000003792 electrolyte Substances 0.000 description 13
- 239000011230 binding agent Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
- 239000000126 substance Substances 0.000 description 10
- 208000028659 discharge Diseases 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 229910018119 Li 3 PO 4 Inorganic materials 0.000 description 6
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 239000004020 conductor Substances 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000010954 inorganic particle Substances 0.000 description 6
- 229910021437 lithium-transition metal oxide Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000011255 nonaqueous electrolyte Substances 0.000 description 6
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000007784 solid electrolyte Substances 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000004034 viscosity adjusting agent Substances 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 229910003002 lithium salt Inorganic materials 0.000 description 3
- 159000000002 lithium salts Chemical class 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 description 3
- 239000011164 primary particle Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- 239000011135 tin Substances 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 2
- HCLJOFJIQIJXHS-UHFFFAOYSA-N 2-[2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOCCOC(=O)C=C HCLJOFJIQIJXHS-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-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
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 2
- 229910014689 LiMnO Inorganic materials 0.000 description 2
- 229910012427 LiNi0.53Mn0.27Co0.20O2 Inorganic materials 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- DEQSCSOKTWMOKU-UHFFFAOYSA-N [O-2].[Mn+2].[Ni+2].[Mn+2].[Li+] Chemical compound [O-2].[Mn+2].[Ni+2].[Mn+2].[Li+] DEQSCSOKTWMOKU-UHFFFAOYSA-N 0.000 description 2
- 239000002318 adhesion promoter Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 239000006183 anode active material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000002041 carbon nanotube Substances 0.000 description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 description 2
- 239000002388 carbon-based active material Substances 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 239000006231 channel black Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910003472 fullerene Inorganic materials 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000007770 graphite material Substances 0.000 description 2
- 229910003480 inorganic solid Inorganic materials 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
- 229910002102 lithium manganese oxide Inorganic materials 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000011163 secondary particle Substances 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical compound FC=C(F)F MIZLGWKEZAPEFJ-UHFFFAOYSA-N 0.000 description 1
- NNNLYDWXTKOQQX-UHFFFAOYSA-N 1,1-di(prop-2-enoyloxy)propyl prop-2-enoate Chemical compound C=CC(=O)OC(CC)(OC(=O)C=C)OC(=O)C=C NNNLYDWXTKOQQX-UHFFFAOYSA-N 0.000 description 1
- GCMNJUJAKQGROZ-UHFFFAOYSA-N 1,2-Dihydroquinolin-2-imine Chemical compound C1=CC=CC2=NC(N)=CC=C21 GCMNJUJAKQGROZ-UHFFFAOYSA-N 0.000 description 1
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- VDYWHVQKENANGY-UHFFFAOYSA-N 1,3-Butyleneglycol dimethacrylate Chemical compound CC(=C)C(=O)OC(C)CCOC(=O)C(C)=C VDYWHVQKENANGY-UHFFFAOYSA-N 0.000 description 1
- YAJYJWXEWKRTPO-UHFFFAOYSA-N 2,3,3,4,4,5-hexamethylhexane-2-thiol Chemical compound CC(C)C(C)(C)C(C)(C)C(C)(C)S YAJYJWXEWKRTPO-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- LTHJXDSHSVNJKG-UHFFFAOYSA-N 2-[2-[2-[2-(2-methylprop-2-enoyloxy)ethoxy]ethoxy]ethoxy]ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCOCCOCCOC(=O)C(C)=C LTHJXDSHSVNJKG-UHFFFAOYSA-N 0.000 description 1
- KSCAZPYHLGGNPZ-UHFFFAOYSA-N 3-chloropropyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)CCCCl KSCAZPYHLGGNPZ-UHFFFAOYSA-N 0.000 description 1
- FQMIAEWUVYWVNB-UHFFFAOYSA-N 3-prop-2-enoyloxybutyl prop-2-enoate Chemical compound C=CC(=O)OC(C)CCOC(=O)C=C FQMIAEWUVYWVNB-UHFFFAOYSA-N 0.000 description 1
- DCQBZYNUSLHVJC-UHFFFAOYSA-N 3-triethoxysilylpropane-1-thiol Chemical compound CCO[Si](OCC)(OCC)CCCS DCQBZYNUSLHVJC-UHFFFAOYSA-N 0.000 description 1
- URDOJQUSEUXVRP-UHFFFAOYSA-N 3-triethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CCO[Si](OCC)(OCC)CCCOC(=O)C(C)=C URDOJQUSEUXVRP-UHFFFAOYSA-N 0.000 description 1
- RHZAAYVDJRHENK-UHFFFAOYSA-N 3-triethoxysilylpropyl cyanate Chemical compound CCO[Si](OCC)(OCC)CCCOC#N RHZAAYVDJRHENK-UHFFFAOYSA-N 0.000 description 1
- XOJWAAUYNWGQAU-UHFFFAOYSA-N 4-(2-methylprop-2-enoyloxy)butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCCOC(=O)C(C)=C XOJWAAUYNWGQAU-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- JHWGFJBTMHEZME-UHFFFAOYSA-N 4-prop-2-enoyloxybutyl prop-2-enoate Chemical compound C=CC(=O)OCCCCOC(=O)C=C JHWGFJBTMHEZME-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910000925 Cd alloy Inorganic materials 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- 229910012722 Li3N-LiI-LiOH Inorganic materials 0.000 description 1
- 229910012716 Li3N-LiI—LiOH Inorganic materials 0.000 description 1
- 229910012734 Li3N—LiI—LiOH Inorganic materials 0.000 description 1
- 229910013043 Li3PO4-Li2S-SiS2 Inorganic materials 0.000 description 1
- 229910013035 Li3PO4-Li2S—SiS2 Inorganic materials 0.000 description 1
- 229910012810 Li3PO4—Li2S-SiS2 Inorganic materials 0.000 description 1
- 229910012797 Li3PO4—Li2S—SiS2 Inorganic materials 0.000 description 1
- 229910012047 Li4SiO4-LiI-LiOH Inorganic materials 0.000 description 1
- 229910012075 Li4SiO4-LiI—LiOH Inorganic materials 0.000 description 1
- 229910012057 Li4SiO4—LiI—LiOH Inorganic materials 0.000 description 1
- 229910010238 LiAlCl 4 Inorganic materials 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910015044 LiB Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910012748 LiNi0.5Mn0.3Co0.2O2 Inorganic materials 0.000 description 1
- 229910013282 LiNiMO Inorganic materials 0.000 description 1
- 229910012513 LiSbF 6 Inorganic materials 0.000 description 1
- 229910012573 LiSiO Inorganic materials 0.000 description 1
- 229910012346 LiSiO4-LiI-LiOH Inorganic materials 0.000 description 1
- 229910012345 LiSiO4-LiI—LiOH Inorganic materials 0.000 description 1
- 229910012348 LiSiO4—LiI—LiOH Inorganic materials 0.000 description 1
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 1
- 239000004472 Lysine Substances 0.000 description 1
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 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
- 229910004283 SiO 4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 1
- BEKPOUATRPPTLV-UHFFFAOYSA-N [Li].BCl Chemical compound [Li].BCl BEKPOUATRPPTLV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- NSGXIRUYPVAGGQ-UHFFFAOYSA-N acetonitrile;nitromethane Chemical compound CC#N.C[N+]([O-])=O NSGXIRUYPVAGGQ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000002391 graphite-based active material Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- YAMHXTCMCPHKLN-UHFFFAOYSA-N imidazolidin-2-one Chemical compound O=C1NCCN1 YAMHXTCMCPHKLN-UHFFFAOYSA-N 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000010220 ion permeability Effects 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N itaconic acid Chemical class OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Inorganic materials [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 1
- QEXMICRJPVUPSN-UHFFFAOYSA-N lithium manganese(2+) oxygen(2-) Chemical class [O-2].[Mn+2].[Li+] QEXMICRJPVUPSN-UHFFFAOYSA-N 0.000 description 1
- VLXXBCXTUVRROQ-UHFFFAOYSA-N lithium;oxido-oxo-(oxomanganiooxy)manganese Chemical compound [Li+].[O-][Mn](=O)O[Mn]=O VLXXBCXTUVRROQ-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229940017219 methyl propionate Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 150000005181 nitrobenzenes Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- KZCOBXFFBQJQHH-UHFFFAOYSA-N octane-1-thiol Chemical compound CCCCCCCCS KZCOBXFFBQJQHH-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920005596 polymer binder Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000003586 protic polar solvent Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002409 silicon-based active material Substances 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- FRGPKMWIYVTFIQ-UHFFFAOYSA-N triethoxy(3-isocyanatopropyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCN=C=O FRGPKMWIYVTFIQ-UHFFFAOYSA-N 0.000 description 1
- NESLVXDUKMNMOG-UHFFFAOYSA-N triethoxy-(propyltetrasulfanyl)silane Chemical compound CCCSSSS[Si](OCC)(OCC)OCC NESLVXDUKMNMOG-UHFFFAOYSA-N 0.000 description 1
- BDZBKCUKTQZUTL-UHFFFAOYSA-N triethyl phosphite Chemical compound CCOP(OCC)OCC BDZBKCUKTQZUTL-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Description
LixMyO2 (1)
式中、MがNi1−a−bMnaCob(0.05≦a≦0.4,0.1≦b≦0.4,0.4≦(1−a−b)≦0.9)、x+yが約2、0.95≦x≦1.15である。
活物質:炭素:Li3PO4を相対質量比100:2:2でドライコーティング装置内に配置した後、混合物を2.5kW及び3,000rpmで5分間処理した。活物質はLiNi0.53Mn0.27Co0.20O2であった。
LiNi0.53Mn0.27Co0.20O2:炭素:Li3PO4の相対質量比が100:1:1であること以外は、実施例1で説明したものと同じ手順を繰り返して活物質を処理した。
LiNi0.5Mn0.3Co0.2O2:炭素:Li3PO4の相対質量比が100:2:2であること以外は、実施例1で説明したものと同じ手順を繰り返して活物質を処理した。
実施例1で使用した活物質を追加の処理を施さずに調製した。
実施例1及び比較例1において得られた活物質の各々に対して、活物質の表面をSEMで観察した。実施例1及び比較例1の材料の得られた結果をそれぞれ図1及び図2に示す。
実施例1から3及び比較例1において得られた活物質の各々を、活物質を導電性材料及びバインダーと相対質量比95:2.5:2.5で混合することによってスラリーに形成し、スラリーをAl箔に塗布して電極を形成した。形成した電極を空隙率(porosity)が25%となるようにパンチング(punching)した後、パンチされた電極を使用してコインセルを製造した。アノードはLiであり、電解質は1MのLiPF6が溶解されたカーボネート溶媒であった。製造されたセルで、0.1Cで3から4.25Vまで充放電処理を行って容量及び電池効率を測定した後、実施例1及び2並びに比較例1の材料の場合に得られた結果を表1に示す。
実験例2による活物質の各々を使用して製造されたセルを、0.1Cで4.3Vまで充電した後、示差走査熱量計(DSC)を使用して加熱点(heating position)及び加熱強度(heating intensity)を測定した。比較例1、実施例1及び2の結果をそれぞれ図3、4及び5に示す。
実験例2による活物質の各々を使用して製造されたセルに対して、短絡電流(SCC)を測定した。図6、7及び8は、それぞれ比較例1、実施例1及び2の結果を示す。
Claims (13)
- ニッケルの含有量がマンガン及びコバルトの合計含有量以上である、式(1)で表されるリチウムニッケル・マンガン・コバルト酸化物を含むカソード活物質であって、イオン伝導性固体化合物及び導電性炭素が前記リチウムニッケル・マンガン・コバルト酸化物の表面にそれぞれ独立した相で被覆されており、前記導電性炭素と前記イオン伝導性固体化合物との含有比率が、90質量%:10質量%から10質量%:90質量%の範囲であり、前記イオン伝導性固体化合物がリチウムを含む、カソード活物質:
LixMyO2 (1)
式中、MがNi1−a−bMnaCob(0.05≦a≦0.4,0.1≦b≦0.4,0.4≦(1−a−b)≦0.9)、x+yが1.95から2.15であり、0.95≦x≦1.15である。 - 前記リチウムニッケル・マンガン・コバルト酸化物が、超微粒子の凝集体からなる凝集構造を有する粒子を含む、請求項1に記載のカソード活物質。
- 前記リチウムニッケル・マンガン・コバルト酸化物が、8μm以下の粒径D50を有する、請求項1に記載のカソード活物質。
- 前記リチウムニッケル・マンガン・コバルト酸化物が、0.01から5μmの粒径D90を有する超微粒子の凝集体を含む、請求項2に記載のカソード活物質。
- 前記導電性炭素が、天然黒鉛と、人造黒鉛と、カーボンブラックと、アセチレンブラックと、ケッチェンブラックと、ファーネスブラックと、ランプブラックと、サマーブラックと、カーボンファイバーとからなる群から選択された少なくとも1つである、請求項1に記載のカソード活物質。
- 前記導電性炭素が、0.01から1μmの粒径を有する、請求項1に記載のカソード活物質。
- 前記イオン伝導性固体化合物が、リン酸リチウムと、硫酸リチウムと、チタン酸リチウムランタンとからなる群から選択された少なくとも1つである、請求項1に記載のカソード活物質。
- 前記イオン伝導性固体化合物及び前記導電性炭素が、前記リチウムニッケル・マンガン・コバルト酸化物の表面に完全に又は部分的に被覆されている、請求項1に記載のカソード活物質。
- 前記リチウムニッケル・マンガン・コバルト酸化物の全表面の20から80%が、前記イオン伝導性固体化合物及び前記導電性炭素で被覆されている、請求項1に記載のカソード活物質。
- 被覆量が、前記活物質の総質量に対して0.5から10質量%の範囲である、請求項1に記載のカソード活物質。
- 請求項1から10のいずれか一項に記載のカソード活物質を含む、リチウム二次電池。
- 電動器具、電気自動車、電気二輪車、又は電気ゴルフカート用の電力供給装置として使用される、請求項11に記載のリチウム二次電池。
- ニッケルの含有量がマンガン及びコバルトの合計含有量以上である、式(1)で表されるリチウムニッケル・マンガン・コバルト酸化物を含むカソード活物質であって、イオン伝導性固体化合物及び導電性炭素が前記リチウムニッケル・マンガン・コバルト酸化物の表面にそれぞれ独立した相で被覆されており、前記導電性炭素と前記イオン伝導性固体化合物との含有比率が、90質量%:10質量%から10質量%:90質量%の範囲であり、前記リチウムニッケル・マンガン・コバルト酸化物の全表面の20から80%が、前記イオン伝導性固体化合物及び前記導電性炭素で被覆されている、カソード活物質:
Li x M y O 2 (1)
式中、MがNi 1−a−b Mn a Co b (0.05≦a≦0.4,0.1≦b≦0.4,0.4≦(1−a−b)≦0.9)、x+yが1.95から2.15であり、0.95≦x≦1.15である。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2009-0000703 | 2009-01-06 | ||
KR20090000703 | 2009-01-06 | ||
PCT/KR2010/000085 WO2010079965A2 (ko) | 2009-01-06 | 2010-01-06 | 리튬 이차전지용 양극 활물질 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014202985A Division JP6071969B2 (ja) | 2009-01-06 | 2014-10-01 | リチウム二次電池用カソード活物質 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012514834A JP2012514834A (ja) | 2012-06-28 |
JP5922410B2 true JP5922410B2 (ja) | 2016-05-24 |
Family
ID=42316989
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011544382A Active JP5922410B2 (ja) | 2009-01-06 | 2010-01-06 | リチウム二次電池用カソード活物質 |
JP2014202985A Active JP6071969B2 (ja) | 2009-01-06 | 2014-10-01 | リチウム二次電池用カソード活物質 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014202985A Active JP6071969B2 (ja) | 2009-01-06 | 2014-10-01 | リチウム二次電池用カソード活物質 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9225019B2 (ja) |
EP (1) | EP2375477B1 (ja) |
JP (2) | JP5922410B2 (ja) |
KR (1) | KR101154876B1 (ja) |
CN (1) | CN102265433B (ja) |
WO (1) | WO2010079965A2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015026622A (ja) * | 2009-01-06 | 2015-02-05 | エルジー・ケム・リミテッド | リチウム二次電池用カソード活物質 |
US11069886B2 (en) | 2016-09-23 | 2021-07-20 | Panasonic Intellectual Property Management Co., Ltd. | Negative electrode for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, and method for producing negative electrode for nonaqueous electrolyte secondary battery |
US12051796B2 (en) | 2016-09-23 | 2024-07-30 | Panasonic Intellectual Property Management Co., Ltd. | Negative electrode for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, and method for producing negative electrode for nonaqueous electrolyte secondary battery |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2613384B1 (en) * | 2010-09-01 | 2018-05-23 | LG Chem, Ltd. | Cathode active material for secondary battery |
KR101265197B1 (ko) | 2010-11-25 | 2013-05-27 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 |
KR20120056674A (ko) * | 2010-11-25 | 2012-06-04 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 |
EP2695225B1 (en) * | 2011-04-06 | 2014-12-10 | Umicore | Glass-coated cathode powders for rechargeable batteries |
CN103503202B (zh) | 2011-05-13 | 2015-11-25 | 丰田自动车株式会社 | 电极体、全固体电池及被覆活性物质的制造方法 |
KR101965016B1 (ko) | 2011-07-25 | 2019-04-02 | 에이일이삼 시스템즈, 엘엘씨 | 블렌딩된 캐소드 물질 |
JP5360159B2 (ja) * | 2011-08-09 | 2013-12-04 | トヨタ自動車株式会社 | 複合正極活物質、全固体電池、および複合正極活物質の製造方法 |
JP5310835B2 (ja) | 2011-12-26 | 2013-10-09 | トヨタ自動車株式会社 | 複合活物質の製造方法 |
JP6142868B2 (ja) * | 2012-02-23 | 2017-06-07 | 戸田工業株式会社 | 非水電解質二次電池用正極活物質粒子粉末並びにその製造方法、及び非水電解質二次電池 |
CN103700843B (zh) * | 2012-09-27 | 2016-03-09 | 清华大学 | 锂离子电池正极复合材料 |
CN103700850B (zh) * | 2012-09-27 | 2016-01-20 | 清华大学 | 锂离子电池正极复合材料 |
CN103700827B (zh) * | 2012-09-27 | 2016-04-27 | 清华大学 | 锂离子电池正极复合材料及锂离子电池 |
CN103700833B (zh) * | 2012-09-27 | 2016-04-27 | 清华大学 | 锂离子电池正极复合材料 |
US9793525B2 (en) * | 2012-10-09 | 2017-10-17 | Johnson Battery Technologies, Inc. | Solid-state battery electrodes |
JP6015591B2 (ja) * | 2012-10-26 | 2016-10-26 | トヨタ自動車株式会社 | 非水電解液二次電池 |
CN103094580A (zh) * | 2013-01-25 | 2013-05-08 | 复旦大学 | 一种复合正极材料及其合成方法与应用 |
KR101514605B1 (ko) * | 2013-08-08 | 2015-04-24 | 세종대학교산학협력단 | 리튬 이차전지용 양극 재료 및 이를 포함하는 리튬 이차전지 |
CN105474440B (zh) * | 2013-09-02 | 2018-06-29 | 株式会社Lg 化学 | 二次电池用正极和包含其的二次电池 |
WO2016017783A1 (ja) * | 2014-07-31 | 2016-02-04 | 住友金属鉱山株式会社 | 非水系電解質二次電池用正極活物質とその製造方法 |
US20170338469A1 (en) * | 2014-11-28 | 2017-11-23 | Basf Se | Process for making lithiated transition metal oxides |
US10340506B2 (en) | 2014-11-28 | 2019-07-02 | Samsung Electronics Co., Ltd. | Positive electrode for lithium ion secondary battery and lithium ion secondary battery including the same |
JP6572545B2 (ja) * | 2015-01-30 | 2019-09-11 | 住友金属鉱山株式会社 | 被覆リチウム−ニッケル複合酸化物粒子の製造方法 |
WO2017002057A1 (en) * | 2015-07-02 | 2017-01-05 | Umicore | Cobalt-based lithium metal oxide cathode material |
KR101982790B1 (ko) * | 2015-10-20 | 2019-05-27 | 주식회사 엘지화학 | 다층 구조의 리튬 금속 산화물들을 포함하는 리튬 이차전지용 양극 활물질 및 그것을 포함하는 양극 |
US10566611B2 (en) | 2015-12-21 | 2020-02-18 | Johnson Ip Holding, Llc | Solid-state batteries, separators, electrodes, and methods of fabrication |
US10218044B2 (en) | 2016-01-22 | 2019-02-26 | Johnson Ip Holding, Llc | Johnson lithium oxygen electrochemical engine |
DE102016216253A1 (de) * | 2016-08-30 | 2018-03-01 | Robert Bosch Gmbh | Elektrodenmaterial für eine Lithium-Ionen-Batterie |
US11217785B2 (en) | 2017-01-24 | 2022-01-04 | Samsung Electronics Co., Ltd. | Composite cathode active material and secondary battery including the same |
JP6768201B2 (ja) * | 2017-06-22 | 2020-10-14 | トヨタ自動車株式会社 | 非水電解液二次電池 |
CN107706373B (zh) * | 2017-09-19 | 2020-05-22 | 合肥国轩高科动力能源有限公司 | 一种锂离子电池高镍三元材料及其制备方法 |
JP6904892B2 (ja) * | 2017-11-28 | 2021-07-21 | トヨタ自動車株式会社 | 正極材料とこれを用いたリチウム二次電池 |
JP7028716B2 (ja) * | 2018-05-29 | 2022-03-02 | トヨタ自動車株式会社 | 正極材料 |
CN111682200B (zh) * | 2020-07-14 | 2021-10-22 | 万华化学集团股份有限公司 | 用于锂离子电池的正极材料及其制备方法 |
CN112151779B (zh) * | 2020-09-18 | 2022-09-27 | 深圳市贝特瑞纳米科技有限公司 | 二元正极复合材料及其制备方法和用途 |
KR102317602B1 (ko) | 2021-04-22 | 2021-10-25 | 에스케이이노베이션 주식회사 | 리튬 이차 전지용 양극 활물질 및 이를 포함하는 리튬 이차 전지 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3601124B2 (ja) * | 1995-09-22 | 2004-12-15 | 株式会社デンソー | 非水溶液を用いる二次電池の正極活物質、および正極。 |
US5783333A (en) * | 1996-11-27 | 1998-07-21 | Polystor Corporation | Lithium nickel cobalt oxides for positive electrodes |
KR100490613B1 (ko) * | 2000-03-13 | 2005-05-17 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 활물질 및 그 제조방법 |
US7135251B2 (en) * | 2001-06-14 | 2006-11-14 | Samsung Sdi Co., Ltd. | Active material for battery and method of preparing the same |
KR100542184B1 (ko) * | 2001-07-19 | 2006-01-10 | 삼성에스디아이 주식회사 | 전지용 활물질 및 그의 제조 방법 |
JP2003059491A (ja) * | 2001-08-10 | 2003-02-28 | Mikuni Color Ltd | 炭素被覆リチウム遷移金属酸化物、2次電池正極材料及び2次電池 |
CN1263184C (zh) * | 2001-11-20 | 2006-07-05 | Tdk株式会社 | 电极活性材料及其制法、电极、锂离子二次电池及其制法 |
JP4029266B2 (ja) * | 2001-12-04 | 2008-01-09 | 株式会社ジーエス・ユアサコーポレーション | 非水電解質電池および非水電解質電池の製造法 |
JP4187523B2 (ja) * | 2002-01-31 | 2008-11-26 | 日本化学工業株式会社 | リチウム鉄リン系複合酸化物炭素複合体、その製造方法、リチウム二次電池正極活物質及びリチウム二次電池 |
KR100559373B1 (ko) * | 2004-08-09 | 2006-03-10 | 동 인 이 | 피부 미용 관리기 |
JP4923397B2 (ja) * | 2004-09-06 | 2012-04-25 | 日産自動車株式会社 | 非水電解質リチウムイオン二次電池用正極材料およびその製造方法 |
JP4997693B2 (ja) * | 2004-10-01 | 2012-08-08 | 住友金属鉱山株式会社 | 非水系電解質二次電池用正極活物質およびこれを用いた非水系電解質二次電池およびその製造方法 |
JP2006134770A (ja) * | 2004-11-08 | 2006-05-25 | Sony Corp | 正極および電池 |
US9666862B2 (en) * | 2005-02-23 | 2017-05-30 | Lg Chem, Ltd. | Secondary battery of improved lithium ion mobility and cell capacity |
JP5124910B2 (ja) * | 2005-06-09 | 2013-01-23 | 日産自動車株式会社 | 非水電解質リチウムイオン電池用正極材料、これを用いた電池および非水電解質リチウムイオン電池用正極材料の製造方法 |
KR20070008115A (ko) * | 2005-07-13 | 2007-01-17 | 주식회사 엘지화학 | 사이클 특성과 안전성이 우수한 리튬 이차전지용 양극활물질 |
JP2007157459A (ja) * | 2005-12-02 | 2007-06-21 | Sony Corp | 非水電解質電池 |
KR100889451B1 (ko) * | 2006-02-14 | 2009-03-24 | 주식회사 엘지화학 | 분산성이 향상된 나노입자 함유 전극활물질의 제조방법 |
JP2008071569A (ja) * | 2006-09-13 | 2008-03-27 | Sanyo Electric Co Ltd | 非水電解質二次電池用正極材料及び非水電解質二次電池 |
JP5110850B2 (ja) * | 2006-10-31 | 2012-12-26 | 株式会社オハラ | リチウムイオン伝導性固体電解質およびその製造方法 |
US8197719B2 (en) * | 2006-11-17 | 2012-06-12 | American Lithium Energy Corp. | Electroactive agglomerated particles |
JP4435194B2 (ja) * | 2007-03-27 | 2010-03-17 | 株式会社東芝 | 非水電解質電池、電池パック及び自動車 |
CN102265433B (zh) * | 2009-01-06 | 2015-05-20 | 株式会社Lg化学 | 锂二次电池用正极活性材料 |
-
2010
- 2010-01-06 CN CN201080003772.0A patent/CN102265433B/zh active Active
- 2010-01-06 KR KR1020100001022A patent/KR101154876B1/ko active IP Right Grant
- 2010-01-06 JP JP2011544382A patent/JP5922410B2/ja active Active
- 2010-01-06 WO PCT/KR2010/000085 patent/WO2010079965A2/ko active Application Filing
- 2010-01-06 EP EP10729307.8A patent/EP2375477B1/en active Active
- 2010-07-09 US US12/833,502 patent/US9225019B2/en active Active
-
2014
- 2014-10-01 JP JP2014202985A patent/JP6071969B2/ja active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015026622A (ja) * | 2009-01-06 | 2015-02-05 | エルジー・ケム・リミテッド | リチウム二次電池用カソード活物質 |
US11069886B2 (en) | 2016-09-23 | 2021-07-20 | Panasonic Intellectual Property Management Co., Ltd. | Negative electrode for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, and method for producing negative electrode for nonaqueous electrolyte secondary battery |
US12051796B2 (en) | 2016-09-23 | 2024-07-30 | Panasonic Intellectual Property Management Co., Ltd. | Negative electrode for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, and method for producing negative electrode for nonaqueous electrolyte secondary battery |
Also Published As
Publication number | Publication date |
---|---|
EP2375477B1 (en) | 2016-12-21 |
JP2012514834A (ja) | 2012-06-28 |
EP2375477A4 (en) | 2013-10-16 |
KR20100081955A (ko) | 2010-07-15 |
WO2010079965A2 (ko) | 2010-07-15 |
CN102265433B (zh) | 2015-05-20 |
US9225019B2 (en) | 2015-12-29 |
WO2010079965A3 (ko) | 2010-10-14 |
JP6071969B2 (ja) | 2017-02-01 |
EP2375477A2 (en) | 2011-10-12 |
US20110086274A1 (en) | 2011-04-14 |
CN102265433A (zh) | 2011-11-30 |
KR101154876B1 (ko) | 2012-06-18 |
JP2015026622A (ja) | 2015-02-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6071969B2 (ja) | リチウム二次電池用カソード活物質 | |
KR101169947B1 (ko) | 리튬 이차전지용 양극 활물질 | |
KR101138637B1 (ko) | 리튬 이차전지용 양극 활물질 | |
KR101123057B1 (ko) | 리튬 이차전지용 양극 활물질 | |
JP6007431B2 (ja) | 高電圧における改善された特性を示すカソード活物質 | |
KR101108441B1 (ko) | 양극 활물질 및 이를 포함하는 리튬 이차전지 | |
KR101171734B1 (ko) | 리튬 이차전지용 양극 활물질 | |
US9627689B2 (en) | Cathode active material and lithium secondary battery containing the same | |
JP5601740B2 (ja) | カソード活性材料およびそれを備えたリチウム二次電池 | |
JP6352421B2 (ja) | 二次電池用正極及びそれを含む二次電池 | |
KR101502658B1 (ko) | 리튬 이차 전지용 양극 활물질 조성물, 이의 제조방법, 및 이를 포함하는 리튬 이차 전지 | |
KR101361115B1 (ko) | 안전성이 향상된 니켈계 양극 활물질 및 이를 포함하는 리튬 이차전지 | |
KR20100081456A (ko) | 도전성이 향상된 양극 활물질 및 이를 포함하는 리튬 이차전지 | |
KR20100081455A (ko) | 안전성이 향상된 니켈계 양극 활물질 및 이를 포함하는 리튬 이차전지 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130528 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130529 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20130828 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20130904 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130912 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20131015 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20140616 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20141001 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20141008 |
|
A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20141205 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20151218 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160414 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5922410 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |