JP7395327B2 - 二次電池に含まれるリチウムの析出を判定する判定装置及び判定方法 - Google Patents
二次電池に含まれるリチウムの析出を判定する判定装置及び判定方法 Download PDFInfo
- Publication number
- JP7395327B2 JP7395327B2 JP2019205023A JP2019205023A JP7395327B2 JP 7395327 B2 JP7395327 B2 JP 7395327B2 JP 2019205023 A JP2019205023 A JP 2019205023A JP 2019205023 A JP2019205023 A JP 2019205023A JP 7395327 B2 JP7395327 B2 JP 7395327B2
- Authority
- JP
- Japan
- Prior art keywords
- secondary battery
- lithium
- negative electrode
- reaction resistance
- determination device
- 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
- 229910052744 lithium Inorganic materials 0.000 title claims description 139
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims description 121
- 238000001556 precipitation Methods 0.000 title claims description 88
- 238000000034 method Methods 0.000 title claims description 50
- 238000003411 electrode reaction Methods 0.000 claims description 86
- 238000007600 charging Methods 0.000 claims description 71
- 230000007423 decrease Effects 0.000 claims description 27
- 229910001416 lithium ion Inorganic materials 0.000 claims description 23
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 22
- 230000003247 decreasing effect Effects 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 119
- 238000006243 chemical reaction Methods 0.000 description 49
- 229910052751 metal Inorganic materials 0.000 description 33
- 239000002184 metal Substances 0.000 description 33
- 239000007774 positive electrode material Substances 0.000 description 27
- 239000003792 electrolyte Substances 0.000 description 26
- -1 polyethylene Polymers 0.000 description 26
- 238000000151 deposition Methods 0.000 description 21
- 239000002203 sulfidic glass Substances 0.000 description 21
- 230000008021 deposition Effects 0.000 description 20
- 239000007784 solid electrolyte Substances 0.000 description 18
- 239000007773 negative electrode material Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 14
- 238000010248 power generation Methods 0.000 description 14
- 229910000733 Li alloy Inorganic materials 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 12
- 230000008859 change Effects 0.000 description 12
- 229920001973 fluoroelastomer Polymers 0.000 description 12
- 239000001989 lithium alloy Substances 0.000 description 12
- 239000004743 Polypropylene Substances 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 10
- 239000011888 foil Substances 0.000 description 10
- 229920001155 polypropylene Polymers 0.000 description 10
- 239000004698 Polyethylene Substances 0.000 description 9
- 229920000573 polyethylene Polymers 0.000 description 9
- 239000011149 active material Substances 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 7
- 239000002131 composite material Substances 0.000 description 7
- 229910018130 Li 2 S-P 2 S 5 Inorganic materials 0.000 description 6
- 239000002033 PVDF binder Substances 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 230000006399 behavior Effects 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910018091 Li 2 S Inorganic materials 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000011135 tin Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000002847 impedance measurement Methods 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000004070 electrodeposition Methods 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 229920002239 polyacrylonitrile Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 3
- 229910052718 tin Inorganic materials 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
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 2
- 229910010859 LiI—LiBr—Li3PS4 Inorganic materials 0.000 description 2
- 229910015645 LiMn Inorganic materials 0.000 description 2
- 229910014689 LiMnO Inorganic materials 0.000 description 2
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 2
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 239000002228 NASICON Substances 0.000 description 2
- 229910018539 Ni—Mn—Co Inorganic materials 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000002482 conductive additive Substances 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 239000011231 conductive filler Substances 0.000 description 2
- 229920001940 conductive polymer Polymers 0.000 description 2
- 238000010280 constant potential charging Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000009831 deintercalation Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 238000009830 intercalation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000002931 mesocarbon microbead Substances 0.000 description 2
- 229940017219 methyl propionate Drugs 0.000 description 2
- 239000011255 nonaqueous electrolyte Substances 0.000 description 2
- 150000002898 organic sulfur compounds Chemical class 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 229920002620 polyvinyl fluoride Polymers 0.000 description 2
- 238000003825 pressing Methods 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
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 150000003464 sulfur compounds Chemical class 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- OQMIRQSWHKCKNJ-UHFFFAOYSA-N 1,1-difluoroethene;1,1,2,3,3,3-hexafluoroprop-1-ene Chemical group FC(F)=C.FC(F)=C(F)C(F)(F)F OQMIRQSWHKCKNJ-UHFFFAOYSA-N 0.000 description 1
- RXACTIULCNJUNO-UHFFFAOYSA-N 1,1-difluoroethene;1,1,2,3,3-pentafluoroprop-1-ene Chemical group FC(F)=C.FC(F)C(F)=C(F)F RXACTIULCNJUNO-UHFFFAOYSA-N 0.000 description 1
- COVXBJIKNGVTNV-UHFFFAOYSA-N 1-chloro-1,2,2-trifluoroethene;1,1-difluoroethene Chemical group FC(F)=C.FC(F)=C(F)Cl COVXBJIKNGVTNV-UHFFFAOYSA-N 0.000 description 1
- VSKJLJHPAFKHBX-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 VSKJLJHPAFKHBX-UHFFFAOYSA-N 0.000 description 1
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- 229910001152 Bi alloy Inorganic materials 0.000 description 1
- 229910000882 Ca alloy Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229910018068 Li 2 O Inorganic materials 0.000 description 1
- 229910018111 Li 2 S-B 2 S 3 Inorganic materials 0.000 description 1
- 229910018127 Li 2 S-GeS 2 Inorganic materials 0.000 description 1
- 229910018133 Li 2 S-SiS 2 Inorganic materials 0.000 description 1
- 229910008323 Li-P-S Inorganic materials 0.000 description 1
- 229910008365 Li-Sn Inorganic materials 0.000 description 1
- 229910020725 Li0.34La0.51TiO3 Inorganic materials 0.000 description 1
- 229910010500 Li2.9PO3.3N0.46 Inorganic materials 0.000 description 1
- 229910009324 Li2S-SiS2-Li3PO4 Inorganic materials 0.000 description 1
- 229910009320 Li2S-SiS2-LiBr Inorganic materials 0.000 description 1
- 229910009316 Li2S-SiS2-LiCl Inorganic materials 0.000 description 1
- 229910009318 Li2S-SiS2-LiI Inorganic materials 0.000 description 1
- 229910009313 Li2S-SiS2-LixMOy Inorganic materials 0.000 description 1
- 229910009328 Li2S-SiS2—Li3PO4 Inorganic materials 0.000 description 1
- 229910007284 Li2S—SiS2-LixMOy Inorganic materials 0.000 description 1
- 229910007281 Li2S—SiS2—B2S3LiI Inorganic materials 0.000 description 1
- 229910007295 Li2S—SiS2—Li3PO4 Inorganic materials 0.000 description 1
- 229910007291 Li2S—SiS2—LiBr Inorganic materials 0.000 description 1
- 229910007288 Li2S—SiS2—LiCl Inorganic materials 0.000 description 1
- 229910007289 Li2S—SiS2—LiI Inorganic materials 0.000 description 1
- 229910007296 Li2S—SiS2—LixMOy Inorganic materials 0.000 description 1
- 229910007306 Li2S—SiS2—P2S5LiI Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910010833 LiI-Li2S-SiS2 Inorganic materials 0.000 description 1
- 229910010855 LiI—Li2S—SiS2 Inorganic materials 0.000 description 1
- 229910010847 LiI—Li3PO4-P2S5 Inorganic materials 0.000 description 1
- 229910010864 LiI—Li3PO4—P2S5 Inorganic materials 0.000 description 1
- 229910010923 LiLaTiO Inorganic materials 0.000 description 1
- 229910010918 LiLaZrO Inorganic materials 0.000 description 1
- 229910002099 LiNi0.5Mn1.5O4 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 229910012305 LiPON Inorganic materials 0.000 description 1
- 229910006736 Li—P—S Inorganic materials 0.000 description 1
- 229910006759 Li—Sn Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 229910008484 TiSi Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 1
- 239000006183 anode active material Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- JYPVGDJNZGAXBB-UHFFFAOYSA-N bismuth lithium Chemical compound [Li].[Bi] JYPVGDJNZGAXBB-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- USOPFYZPGZGBEB-UHFFFAOYSA-N calcium lithium Chemical compound [Li].[Ca] USOPFYZPGZGBEB-UHFFFAOYSA-N 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
- 239000006182 cathode active material Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- IUYOGGFTLHZHEG-UHFFFAOYSA-N copper titanium Chemical compound [Ti].[Cu] IUYOGGFTLHZHEG-UHFFFAOYSA-N 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 150000002019 disulfides Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003759 ester based solvent Substances 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000003353 gold alloy Substances 0.000 description 1
- RRMGGYGDQCMPKP-UHFFFAOYSA-N gold lithium Chemical compound [Li].[Au] RRMGGYGDQCMPKP-UHFFFAOYSA-N 0.000 description 1
- 229910021469 graphitizable carbon Inorganic materials 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 229910000664 lithium aluminum titanium phosphates (LATP) Inorganic materials 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- GCICAPWZNUIIDV-UHFFFAOYSA-N lithium magnesium Chemical compound [Li].[Mg] GCICAPWZNUIIDV-UHFFFAOYSA-N 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- UIDWHMKSOZZDAV-UHFFFAOYSA-N lithium tin Chemical compound [Li].[Sn] UIDWHMKSOZZDAV-UHFFFAOYSA-N 0.000 description 1
- KUJOABUXCGVGIY-UHFFFAOYSA-N lithium zinc Chemical compound [Li].[Zn] KUJOABUXCGVGIY-UHFFFAOYSA-N 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000003701 mechanical milling Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910021470 non-graphitizable carbon Inorganic materials 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000306 polymethylpentene Polymers 0.000 description 1
- 239000011116 polymethylpentene Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910021384 soft carbon Inorganic materials 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Description
(1)リチウム合金のみからなる単一の層からなるもの(すなわち、Li-Me層)
(2)リチウム金属からなる層と、リチウム合金からなる層とを備えるもの(すなわち、Li層/Li-Me層)
(3)リチウム金属からなる層と、リチウム合金からなる層と、リチウム以外の金属からなる層とを備えるもの(すなわち、Li層/Li-Me層/Me層)
上記(2)の態様においては、リチウム合金からなる層(Li-Me層)を電解質層103側の層(電解質層103との界面を形成する層)とすることが望ましく、また、上記(3)の態様においては、リチウム以外の金属からなる層(Me層)を電解質層103側の層(電解質層103との界面を形成する層)とすることが望ましい。リチウム金属を含むリチウム金属層と、リチウム金属とは異なる金属を含む層(中間層)とする場合には、中間層は、リチウム金属層と固体電解質の間の層であり、リチウム金属のうち少なくとも一部と、中間層を形成する金属のうち少なくとも一部とが、合金化することが望ましい。
)のみを抜き出すと、下記式(5)が導出される。
2…二次電池
3…電圧センサ
4…温度センサ
5…電圧電流調整部
6…電流センサ
7…インピーダンス測定器
8…コントローラ
9…外部電源
Claims (9)
- リチウムイオン二次電池に含まれるリチウムの析出を判定する判定装置であって、
前記二次電池の交流インピーダンスを測定する測定器と
前記リチウムの析出の有無を判定するコントローラとを備え
前記測定器は、前記二次電池の交流インピーダンスの特性のうち複数の特定周波数における特性に基づいて、前記二次電池の負極反応抵抗を演算し、
前記コントローラは、前記二次電池の充電中、前記負極反応抵抗が単位時間あたり所定値以上低下した場合に、前記リチウムの析出が有ると判定する判定装置。 - 請求項1記載の判定装置であって、
前記特定周波数は、100Hz以上20kHz以下の範囲内に設定されている判定装置。 - 請求項1又は2記載の判定装置であって、
前記二次電池の温度を検出する温度センサを備え、
前記測定器は、前記温度センサにより検出された温度が高いほど、前記特定周波数を高い周波数に設定する判定装置。 - 請求項1~3のいずれか1項に記載の判定装置であって、
前記測定器は、前記交流インピーダンスの実部と虚部の少なくともいずれか一方のインピーダンスに基づき、前記負極反応抵抗を演算する判定装置。 - 請求項1~4のいずれか1項に記載の判定装置であって、
前記コントローラは、
前記二次電池の状態に基づき、前記リチウムの析出が発生する可能性を検知し、
前記リチウムの析出が発生する可能性がある場合に、前記リチウムの析出の有無を判定し、
前記リチウムの析出が発生する可能性がない場合に、前記リチウムの析出の有無を判定しない判定装置。 - 請求項5に記載の判定装置であって、
前記二次電池の温度を検出する温度センサと、
前記二次電池のセル電圧及び/又は電流を検出する電圧/電流センサとを備え、
前記コントローラは、
前記電圧/電流センサの検出値に基づき、前記二次電池の充電状態を演算し、
前記温度センサにより検出された温度、前記二次電池の電流、前記充電状態に基づき、前記リチウムの析出が発生する可能性を検知する判定装置。 - 請求項5に記載の判定装置であって、
前記測定器は、前記二次電池の交流インピーダンスの特性のうち、負極計測用の前記特定周波数よりも低い周波数における特性に基づいて、前記二次電池の正極反応抵抗を演算し、
前記コントローラは、
前記正極反応抵抗が低下していない場合に、前記リチウムの析出の有無を判定する判定装置。 - 請求項1~7のいずれか1項に記載の判定装置であって、
前記コントローラは、前記リチウムの析出が有ると判定した場合には、前記二次電池の充電電流を低くする判定装置。 - リチウムイオン二次電池に含まれるリチウムの析出を判定する方法であって、
前記二次電池の交流インピーダンスを測定し、
前記二次電池の交流インピーダンスの特性のうち、複数の特定周波数における特性に基づいて、前記二次電池の負極反応抵抗を演算し、
前記二次電池の充電中、前記負極反応抵抗が単位時間あたり所定値以上低下した場合に、前記リチウムの析出が有ると判定する判定方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019205023A JP7395327B2 (ja) | 2019-11-12 | 2019-11-12 | 二次電池に含まれるリチウムの析出を判定する判定装置及び判定方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019205023A JP7395327B2 (ja) | 2019-11-12 | 2019-11-12 | 二次電池に含まれるリチウムの析出を判定する判定装置及び判定方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021077570A JP2021077570A (ja) | 2021-05-20 |
JP7395327B2 true JP7395327B2 (ja) | 2023-12-11 |
Family
ID=75899820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019205023A Active JP7395327B2 (ja) | 2019-11-12 | 2019-11-12 | 二次電池に含まれるリチウムの析出を判定する判定装置及び判定方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP7395327B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7347451B2 (ja) * | 2021-01-13 | 2023-09-20 | 株式会社豊田中央研究所 | 検出装置、管理装置及び検出方法 |
KR20230140482A (ko) * | 2022-03-22 | 2023-10-06 | 주식회사 엘지에너지솔루션 | 전지 셀에서의 리튬 석출 검사 장치 및 방법 |
EP4394404A1 (en) * | 2022-05-26 | 2024-07-03 | LG Energy Solution, Ltd. | Apparatus and method for diagnosing battery cell |
WO2024013938A1 (ja) * | 2022-07-14 | 2024-01-18 | 株式会社Subaru | 電池診断装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009244088A (ja) | 2008-03-31 | 2009-10-22 | Toyota Central R&D Labs Inc | リチウムイオン二次電池の状態検出方法及びリチウムイオン二次電池の状態検出装置 |
WO2012042585A1 (ja) | 2010-09-27 | 2012-04-05 | トヨタ自動車株式会社 | 電池制御システム |
JP2012212513A (ja) | 2011-03-30 | 2012-11-01 | Toyota Motor Corp | リチウム二次電池の状態検出方法 |
JP2016004726A (ja) | 2014-06-18 | 2016-01-12 | トヨタ自動車株式会社 | 電池システム |
JP2019163957A (ja) | 2018-03-19 | 2019-09-26 | トヨタ自動車株式会社 | 二次電池システムおよび二次電池の劣化状態推定方法 |
-
2019
- 2019-11-12 JP JP2019205023A patent/JP7395327B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009244088A (ja) | 2008-03-31 | 2009-10-22 | Toyota Central R&D Labs Inc | リチウムイオン二次電池の状態検出方法及びリチウムイオン二次電池の状態検出装置 |
WO2012042585A1 (ja) | 2010-09-27 | 2012-04-05 | トヨタ自動車株式会社 | 電池制御システム |
JP2012212513A (ja) | 2011-03-30 | 2012-11-01 | Toyota Motor Corp | リチウム二次電池の状態検出方法 |
JP2016004726A (ja) | 2014-06-18 | 2016-01-12 | トヨタ自動車株式会社 | 電池システム |
JP2019163957A (ja) | 2018-03-19 | 2019-09-26 | トヨタ自動車株式会社 | 二次電池システムおよび二次電池の劣化状態推定方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2021077570A (ja) | 2021-05-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7395327B2 (ja) | 二次電池に含まれるリチウムの析出を判定する判定装置及び判定方法 | |
JP5866987B2 (ja) | 二次電池の制御装置およびsoc検出方法 | |
TWI587562B (zh) | 鋰離子電池用正極活性物質層之製造方法及鋰離子電池用正極活性物質層 | |
JP6128225B2 (ja) | 二次電池の制御装置及び制御方法 | |
WO2011114641A1 (ja) | 非水電解質二次電池用電極およびこれを含む非水電解質二次電池 | |
JP5574115B2 (ja) | リチウムイオン電池の状態管理方法 | |
US20180191031A1 (en) | Non-aqueous electrolyte additive, non-aqueous electrolyte comprising the same, and lithium secondary battery including non-aqueous electrolyte | |
JP6087489B2 (ja) | 組電池システム | |
KR101568110B1 (ko) | 2차 전지의 충전 제어 방법 및 충전 제어 장치 | |
JP2014199714A (ja) | 非水電解質二次電池用負極およびその非水電解質二次電池 | |
JP2008300180A (ja) | 非水電解質二次電池 | |
JP2017073331A (ja) | 二次電池装置 | |
JP6250941B2 (ja) | 非水電解質二次電池 | |
JP2015064975A (ja) | 非水電解質二次電池 | |
WO2017020429A1 (zh) | 一种高电压锂离子电池用非水电解液及锂离子电池 | |
EP4016096B1 (en) | Secondary battery short-circuiting assessment device, short-circuiting assessment method, and short-circuiting assessment system | |
JP2015128052A (ja) | 蓄電素子 | |
JP7391621B2 (ja) | 二次電池の短絡推定装置、短絡推定方法、及び短絡推定システム | |
JP7070513B2 (ja) | 電池システム | |
JP2019186008A (ja) | 二次電池 | |
WO2023118960A1 (ja) | 全固体電池の充電方法及び充電制御装置 | |
JP7301447B2 (ja) | リチウム二次電池用電解質及びこれを含むリチウム二次電池 | |
CN118414741A (zh) | 全固态电池的充电方法和充电控制装置 | |
JP2015064977A (ja) | 非水電解質二次電池用の正極、非水電解質二次電池の正極用合材および非水電解質二次電池 | |
CN112885990A (zh) | 一种二次电池 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220802 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20230524 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230606 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230905 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20231031 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20231129 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7395327 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |