JP2018113258A - 急速充電リチウムイオンバッテリのサイクル寿命の増加 - Google Patents
急速充電リチウムイオンバッテリのサイクル寿命の増加 Download PDFInfo
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- JP2018113258A JP2018113258A JP2018003221A JP2018003221A JP2018113258A JP 2018113258 A JP2018113258 A JP 2018113258A JP 2018003221 A JP2018003221 A JP 2018003221A JP 2018003221 A JP2018003221 A JP 2018003221A JP 2018113258 A JP2018113258 A JP 2018113258A
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- battery
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- range
- capacity
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Links
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 72
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 claims abstract description 153
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 97
- 238000007600 charging Methods 0.000 claims abstract description 95
- 230000008569 process Effects 0.000 claims abstract description 76
- 230000003247 decreasing effect Effects 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims description 68
- 239000010405 anode material Substances 0.000 claims description 45
- 229910052744 lithium Inorganic materials 0.000 claims description 38
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 37
- 238000007599 discharging Methods 0.000 claims description 21
- 230000015556 catabolic process Effects 0.000 claims description 16
- 238000006731 degradation reaction Methods 0.000 claims description 16
- 238000006138 lithiation reaction Methods 0.000 claims description 15
- 230000036541 health Effects 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 6
- 238000005457 optimization Methods 0.000 abstract description 4
- 238000013486 operation strategy Methods 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 148
- 238000005755 formation reaction Methods 0.000 description 90
- 239000003792 electrolyte Substances 0.000 description 27
- 238000010586 diagram Methods 0.000 description 24
- 239000000203 mixture Substances 0.000 description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 15
- -1 polyethylene Polymers 0.000 description 15
- 238000000576 coating method Methods 0.000 description 14
- 239000006183 anode active material Substances 0.000 description 13
- 230000007423 decrease Effects 0.000 description 12
- 230000033228 biological regulation Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 10
- 229910052718 tin Inorganic materials 0.000 description 10
- 230000008859 change Effects 0.000 description 9
- 239000004743 Polypropylene Substances 0.000 description 8
- 239000011258 core-shell material Substances 0.000 description 8
- 239000002105 nanoparticle Substances 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 8
- 229920001155 polypropylene Polymers 0.000 description 8
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 7
- 229910019142 PO4 Inorganic materials 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 229910052732 germanium Inorganic materials 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 235000021317 phosphate Nutrition 0.000 description 7
- 229920000573 polyethylene Polymers 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000011149 active material Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- 239000002041 carbon nanotube Substances 0.000 description 5
- 229910001386 lithium phosphate Inorganic materials 0.000 description 5
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 5
- 239000002033 PVDF binder Substances 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 229920001940 conductive polymer Polymers 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 229910021389 graphene Inorganic materials 0.000 description 4
- 239000002608 ionic liquid Substances 0.000 description 4
- 229910003473 lithium bis(trifluoromethanesulfonyl)imide Inorganic materials 0.000 description 4
- QSZMZKBZAYQGRS-UHFFFAOYSA-N lithium;bis(trifluoromethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F QSZMZKBZAYQGRS-UHFFFAOYSA-N 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- 239000010452 phosphate Substances 0.000 description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- VMZOBROUFBEGAR-UHFFFAOYSA-N tris(trimethylsilyl) phosphite Chemical compound C[Si](C)(C)OP(O[Si](C)(C)C)O[Si](C)(C)C VMZOBROUFBEGAR-UHFFFAOYSA-N 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 229910013075 LiBF Inorganic materials 0.000 description 3
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 3
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 3
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- SOXUFMZTHZXOGC-UHFFFAOYSA-N [Li].[Mn].[Co].[Ni] Chemical compound [Li].[Mn].[Co].[Ni] SOXUFMZTHZXOGC-UHFFFAOYSA-N 0.000 description 3
- OGCCXYAKZKSSGZ-UHFFFAOYSA-N [Ni]=O.[Mn].[Li] Chemical compound [Ni]=O.[Mn].[Li] OGCCXYAKZKSSGZ-UHFFFAOYSA-N 0.000 description 3
- NDPGDHBNXZOBJS-UHFFFAOYSA-N aluminum lithium cobalt(2+) nickel(2+) oxygen(2-) Chemical compound [Li+].[O--].[O--].[O--].[O--].[Al+3].[Co++].[Ni++] NDPGDHBNXZOBJS-UHFFFAOYSA-N 0.000 description 3
- 150000001642 boronic acid derivatives Chemical class 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 3
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052752 metalloid Inorganic materials 0.000 description 3
- 150000002738 metalloids Chemical class 0.000 description 3
- 239000010450 olivine Substances 0.000 description 3
- 229910052609 olivine Inorganic materials 0.000 description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000007784 solid electrolyte Substances 0.000 description 3
- 229910052596 spinel Inorganic materials 0.000 description 3
- 239000011029 spinel Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- 239000002000 Electrolyte additive Substances 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 2
- 229910015044 LiB Inorganic materials 0.000 description 2
- 229910013063 LiBF 4 Inorganic materials 0.000 description 2
- 229910013684 LiClO 4 Inorganic materials 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000006256 anode slurry Substances 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000011246 composite particle Substances 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 239000011231 conductive filler Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 210000001787 dendrite Anatomy 0.000 description 2
- 229920002313 fluoropolymer Polymers 0.000 description 2
- 239000004811 fluoropolymer Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000011244 liquid electrolyte Substances 0.000 description 2
- INHCSSUBVCNVSK-UHFFFAOYSA-L lithium sulfate Inorganic materials [Li+].[Li+].[O-]S([O-])(=O)=O INHCSSUBVCNVSK-UHFFFAOYSA-L 0.000 description 2
- ACFSQHQYDZIPRL-UHFFFAOYSA-N lithium;bis(1,1,2,2,2-pentafluoroethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)C(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)C(F)(F)F ACFSQHQYDZIPRL-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- RSIPQHOWTCNEBI-UHFFFAOYSA-N n-hydroxypropanamide Chemical compound CCC(=O)NO RSIPQHOWTCNEBI-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920000767 polyaniline Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920000128 polypyrrole Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 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 description 2
- 238000009736 wetting Methods 0.000 description 2
- YRBXUNZHGMYUBP-UHFFFAOYSA-N 2,6-dimethylbenzene-1,4-disulfonic acid Chemical group CC1=CC(S(O)(=O)=O)=CC(C)=C1S(O)(=O)=O YRBXUNZHGMYUBP-UHFFFAOYSA-N 0.000 description 1
- CARJPEPCULYFFP-UHFFFAOYSA-M 3,5-dicarboxybenzenesulfonate Chemical group OC(=O)C1=CC(C(O)=O)=CC(S([O-])(=O)=O)=C1 CARJPEPCULYFFP-UHFFFAOYSA-M 0.000 description 1
- KWXICGTUELOLSQ-UHFFFAOYSA-M 4-dodecylbenzenesulfonate Chemical group CCCCCCCCCCCCC1=CC=C(S([O-])(=O)=O)C=C1 KWXICGTUELOLSQ-UHFFFAOYSA-M 0.000 description 1
- XYLLPBANOQASFN-UHFFFAOYSA-N 4-ethenylbenzenesulfonic acid;lithium Chemical compound [Li].OS(=O)(=O)C1=CC=C(C=C)C=C1 XYLLPBANOQASFN-UHFFFAOYSA-N 0.000 description 1
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- QWIGMUURHVBXPO-UHFFFAOYSA-N CC(C)(C)c1cc(cc(c1S(O)(=O)=O)C(C)(C)C)S(O)(=O)=O Chemical group CC(C)(C)c1cc(cc(c1S(O)(=O)=O)C(C)(C)C)S(O)(=O)=O QWIGMUURHVBXPO-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000032953 Device battery issue Diseases 0.000 description 1
- 229910013188 LiBOB Inorganic materials 0.000 description 1
- 229910012258 LiPO Inorganic materials 0.000 description 1
- 229910012294 LiPP Inorganic materials 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- UJNXTBUMMDFDKK-UHFFFAOYSA-M [Li+].CCCS([O-])(=O)=O Chemical compound [Li+].CCCS([O-])(=O)=O UJNXTBUMMDFDKK-UHFFFAOYSA-M 0.000 description 1
- RZLOEHJELSEEDL-UHFFFAOYSA-N [Li].N(C1=CC=CC=C1)S(=O)(=O)O Chemical compound [Li].N(C1=CC=CC=C1)S(=O)(=O)O RZLOEHJELSEEDL-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229940072056 alginate Drugs 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000022131 cell cycle Effects 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- PSHMSSXLYVAENJ-UHFFFAOYSA-N dilithium;[oxido(oxoboranyloxy)boranyl]oxy-oxoboranyloxyborinate Chemical compound [Li+].[Li+].O=BOB([O-])OB([O-])OB=O PSHMSSXLYVAENJ-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- XGCILSHUAUFSLI-UHFFFAOYSA-N dodecalithium;tetraborate Chemical compound [Li+].[Li+].[Li+].[Li+].[Li+].[Li+].[Li+].[Li+].[Li+].[Li+].[Li+].[Li+].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-] XGCILSHUAUFSLI-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000013101 initial test Methods 0.000 description 1
- 239000000138 intercalating agent Substances 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- MCVFFRWZNYZUIJ-UHFFFAOYSA-M lithium;trifluoromethanesulfonate Chemical compound [Li+].[O-]S(=O)(=O)C(F)(F)F MCVFFRWZNYZUIJ-UHFFFAOYSA-M 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- MVGWWCXDTHXKTR-UHFFFAOYSA-J tetralithium;phosphonato phosphate Chemical compound [Li+].[Li+].[Li+].[Li+].[O-]P([O-])(=O)OP([O-])([O-])=O MVGWWCXDTHXKTR-UHFFFAOYSA-J 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-M toluene-4-sulfonate Chemical group CC1=CC=C(S([O-])(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-M 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- MEDQGEWTSRSVHE-UHFFFAOYSA-N trilithium propanedioic acid borate Chemical compound [Li+].[Li+].[Li+].[O-]B([O-])[O-].OC(=O)CC(O)=O.OC(=O)CC(O)=O MEDQGEWTSRSVHE-UHFFFAOYSA-N 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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Abstract
Description
本願は、参照によりその全体を本明細書に組み込む、2017年1月12日出願の米国仮特許出願第62/445299号の利益を主張するものである。
数式1
C0(mAh)=Min(セル内のカソード材料質量・Cc、セル内のアノード材料質量・Ca)
Cc(mAh/gr)=半セル内のLi金属に対するカソードの第1の脱リチオ化容量
Ca(mAh/gr)=半セル内のLi金属に対するアノードの第1のリチオ化容量
Claims (35)
- リチウムイオンバッテリのサイクル寿命を延長する方法であって、
C/30未満のレートで前記バッテリを完全に充電し、その後に前記バッテリを放電する第1のサイクルを実行し、その後に、
複数の充電/放電サイクルを実行する
ことによって前記バッテリの形成プロセスを実行する工程と、
最初に1.5V未満の狭い電圧範囲で、その後に、
前記バッテリの容量の指定の劣化を検出したときに、1.5V超の少なくとも1つのより広い電圧範囲で、
前記バッテリを動作させる工程と、
を含む、方法。 - 前記形成プロセスにおいて、
前記第1のサイクルの前に、半セルでリチウムに関して測定したアノードの第1のリチオ化容量とカソードの第1の脱リチオ化容量のうちの低い方としてセル容量を決定する工程と、
前記決定されたセル容量(C)に到達したときに前記第1のサイクルの完全充電を終了する工程と、
をさらに含む、請求項1に記載の方法。 - 前記形成プロセスにおいて、前記複数の充電/放電サイクルが、少なくとも4つのサイクルを含む、請求項2に記載の方法。
- 前記形成プロセスにおいて、前記決定されたセル容量に到達したときに、前記複数の充電/放電サイクルの充電を終了する工程をさらに含む、請求項2に記載の方法。
- 前記形成プロセスにおいて、各サイクルで決定される放電容量に応じて前記セル容量を調節する工程と、それに応じて各サイクルの充電を終了する工程と、をさらに含む、請求項4に記載の方法。
- 前記形成プロセスにおいて、少なくとも前記第1のサイクル中に、最大C/50から最大C/30に充電電流を次第に増大させる工程をさらに含む、請求項2に記載の方法。
- 前記形成プロセスにおいて、前記第1のサイクルの充電が、少なくとも充電持続時間の3分の1の間、最大C/50のレートで実行される、請求項1に記載の方法。
- 前記形成プロセスにおいて、前記第1のサイクル中に、充電持続時間の少なくとも3分の1の間に最大C/70から最大C/50に充電電流を次第に増大させる工程をさらに含む、請求項1に記載の方法。
- 前記複数の充電/放電サイクルにおいて、前記バッテリを最大セル容量の30〜80%の間で各サイクルにおいて充電及び放電する、請求項1に記載の方法。
- 前記バッテリの動作中に、前記バッテリの低下する容量の推定に応じて充電電流を調節する工程をさらに含む、請求項1から9のいずれか一項に記載の方法。
- 前記バッテリの動作中に、前記バッテリの充電持続時間の最初の3分の1の間に、充電電流を次第に増加させる工程をさらに含む、請求項10に記載の方法。
- 前記バッテリの動作中に、前記バッテリの前記低下する容量の推定に応じて前記充電電流増加を調節する工程をさらに含む、請求項11に記載の方法。
- 前記バッテリの動作中に、前記バッテリの推定抵抗及び/又は残留容量に関して前記少なくとも1つのより広い電圧範囲を決定する工程をさらに含む、請求項1から9のいずれか一項に記載の方法。
- 前記バッテリの動作中に、前記狭い範囲が、3〜4V以内であり、前記少なくとも1つのより広い範囲が、1.8〜4.3V以内である、請求項1から13のいずれか一項に記載の方法。
- 前記バッテリの動作中に、前記狭い範囲が、3.1〜4.3V以内であり、前記少なくとも1つのより広い範囲が、1.8〜4.3V以内である、請求項1から13のいずれか一項に記載の方法。
- 前記少なくとも1つのより広い範囲が、前記バッテリの前記狭い範囲と全動作範囲の間で電圧範囲を拡大する複数の連続した工程を含む、請求項1から15のいずれか一項に記載の方法。
- 前記狭い範囲が、3.1〜4.3V以内であり、前記連続した範囲が、3.0〜4.3V、2.8〜4.3V、及び2.5〜4.3V以内であり、前記全範囲が、1.8〜4.3V以内である、請求項16に記載の方法。
- 前記バッテリの動作中に、前記バッテリのアノード材料粒子中にリチウムイオンを再分布させるように設定された1〜10サイクルの全電圧範囲サイクルのセットを断続的に導入する工程をさらに含む、請求項1から17のいずれか一項に記載の方法。
- 請求項1から18のいずれか一項に従って形成され、動作する、リチウムイオンバッテリ。
- C/30未満のレートでリチウムイオンバッテリを完全に充電し、その後に前記バッテリを放電する第1のサイクルを実行することによって前記リチウムイオンバッテリの形成プロセスを行うように制御装置によって制御される、充電/放電システムを含むシステム。
- 前記充電/放電システムが、前記第1のサイクルの前に、半セルでリチウムに関して測定したアノードの第1のリチオ化容量とカソードの第1の脱リチオ化容量のうちの低い方としてセル容量を決定するようにさらに構成され、前記制御装置が、前記決定されたセル容量(C)に到達したときに前記第1のサイクルの完全充電を終了するようにさらに構成される、請求項20に記載のシステム。
- 前記制御装置が、前記決定されたセル容量に到達したときに前記複数の充電/放電サイクルの充電を終了するようにさらに構成され、前記セル容量が、各サイクルで決定される放電容量に応じて調節され、それに応じて各サイクルの充電が終了される、請求項21に記載のシステム。
- 前記制御装置が、少なくとも第1のサイクル中に、最大C/50から最大C/30に充電電流を次第に増大させるようにさらに構成される、請求項20に記載のシステム。
- 前記充電/放電システムが、前記第1のサイクルの充電を、少なくとも充電持続時間の3分の1の間、最大C/50のレートで実行するようにさらに構成される、請求項20に記載のシステム。
- 前記制御装置が、前記第1のサイクル中に、充電持続時間の少なくとも3分の1の間に最大C/70から最大C/50に充電電流を次第に増大させるようにさらに構成される、請求項20に記載のシステム。
- 前記制御装置が、前記複数の充電/放電サイクルにおいて前記バッテリを各サイクルの最大セル容量の30〜80%の間で充電及び放電するようにさらに構成される、請求項20に記載のシステム。
- 急速充電リチウムイオンバッテリと、
狭い範囲から開始して、より広い範囲に到達するように、前記バッテリの健康状態に応じて前記バッテリから供給される電圧レベルの範囲を修正するように構成されるバッテリ管理ユニットと、
を含む、急速充電リチウムイオンバッテリユニット。 - 前記バッテリ管理ユニットが、最初に1.5V未満の狭い電圧範囲で前記バッテリを動作させ、その後に、前記バッテリの容量の指定の劣化を検出したときに、1.5V超の少なくとも1つのより広い電圧範囲で前記バッテリを動作させるようにさらに構成される、請求項27に記載の急速充電リチウムイオンバッテリユニット。
- 前記バッテリ管理ユニットが、前記バッテリの低下する容量の推定に応じて充電電流を調節するようにさらに構成される、請求項27又は28に記載の急速充電リチウムイオンバッテリユニット。
- 前記バッテリ管理ユニットが、前記バッテリの充電持続時間の最初の3分の1の間に、前記充電電流を次第に増加させるようにさらに構成される、請求項29に記載の急速充電リチウムイオンバッテリユニット。
- 前記バッテリ管理ユニットが、前記バッテリの前記低下する容量の推定に応じて前記充電電流増加を調節するようにさらに構成される、請求項29に記載の急速充電リチウムイオンバッテリユニット。
- 前記バッテリ管理ユニットが、前記バッテリの推定抵抗及び/又は残留容量に関して前記少なくとも1つのより広い電圧範囲を決定するようにさらに構成される、請求項28から31のいずれか一項に記載の急速充電リチウムイオンバッテリユニット。
- 前記狭い範囲が、3〜4V以内であり、前記少なくとも1つのより広い範囲が、1.8〜4.95V以内である、或いは、前記狭い範囲が、3.1〜4.3V以内であり、前記少なくとも1つのより広い範囲が、1.8〜4.3V以内である、請求項28から32のいずれか一項に記載の急速充電リチウムイオンバッテリユニット。
- 前記少なくとも1つのより広い範囲が、前記バッテリの前記狭い範囲と全動作範囲の間で電圧範囲を拡大する複数の連続した工程を含む、請求項28に記載の急速充電リチウムイオンバッテリユニット。
- 前記バッテリ管理ユニットが、前記バッテリのアノード材料粒子中にリチウムイオンを再分布させるように設定された1〜10サイクルの全電圧範囲サイクルのセットを断続的に導入する工程をさらに含む、請求項27から34のいずれか一項に記載の急速充電リチウムイオンバッテリユニット。
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JP7059016B2 (ja) | 2022-04-25 |
US10601070B2 (en) | 2020-03-24 |
US10122042B2 (en) | 2018-11-06 |
US20180198161A1 (en) | 2018-07-12 |
CN108306069B (zh) | 2023-02-24 |
US20180301749A1 (en) | 2018-10-18 |
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