WO2015126074A1 - 홀을 포함하고 있는 전지셀 - Google Patents
홀을 포함하고 있는 전지셀 Download PDFInfo
- Publication number
- WO2015126074A1 WO2015126074A1 PCT/KR2015/001016 KR2015001016W WO2015126074A1 WO 2015126074 A1 WO2015126074 A1 WO 2015126074A1 KR 2015001016 W KR2015001016 W KR 2015001016W WO 2015126074 A1 WO2015126074 A1 WO 2015126074A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrode
- battery cell
- battery
- hole
- electrode assembly
- Prior art date
Links
- -1 polyethylene Polymers 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 150000001925 cycloalkenes Chemical class 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 2
- 239000003522 acrylic cement Substances 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 229920006332 epoxy adhesive Polymers 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 229920006254 polymer film Polymers 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229920000642 polymer Polymers 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 239000010408 film Substances 0.000 description 8
- 239000010954 inorganic particle Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000011160 research Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910003002 lithium salt Inorganic materials 0.000 description 6
- 159000000002 lithium salts Chemical class 0.000 description 6
- 239000007784 solid electrolyte Substances 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000011244 liquid electrolyte Substances 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000011255 nonaqueous electrolyte Substances 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-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
- 229920002943 EPDM rubber Polymers 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- 229910015645 LiMn Inorganic materials 0.000 description 2
- 229910014689 LiMnO 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
- 229910019142 PO4 Inorganic materials 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000008151 electrolyte solution Substances 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
- 239000003365 glass fiber Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 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
- 230000014759 maintenance of location Effects 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 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
- PYOKUURKVVELLB-UHFFFAOYSA-N trimethyl orthoformate Chemical compound COC(OC)OC PYOKUURKVVELLB-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical compound FC=C(F)F MIZLGWKEZAPEFJ-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
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 description 1
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 1
- PPDFQRAASCRJAH-UHFFFAOYSA-N 2-methylthiolane 1,1-dioxide Chemical compound CC1CCCS1(=O)=O PPDFQRAASCRJAH-UHFFFAOYSA-N 0.000 description 1
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 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
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910005793 GeO 2 Inorganic materials 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- 229910018119 Li 3 PO 4 Inorganic materials 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910007969 Li-Co-Ni Inorganic materials 0.000 description 1
- 229910008163 Li1+x Mn2-x O4 Inorganic materials 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
- 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
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910013709 LiNi 1-x M 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
- 229910006555 Li—Co—Ni 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
- 239000002033 PVDF binder Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 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
- 229910020346 SiS 2 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
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical class C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-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
- 238000002441 X-ray diffraction Methods 0.000 description 1
- QDDVNKWVBSLTMB-UHFFFAOYSA-N [Cu]=O.[Li] Chemical compound [Cu]=O.[Li] QDDVNKWVBSLTMB-UHFFFAOYSA-N 0.000 description 1
- BEKPOUATRPPTLV-UHFFFAOYSA-N [Li].BCl Chemical compound [Li].BCl BEKPOUATRPPTLV-UHFFFAOYSA-N 0.000 description 1
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical class [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-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
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 235000019241 carbon black Nutrition 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000006231 channel black Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000011161 development Methods 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
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 150000002019 disulfides Chemical class 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000006232 furnace black Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- PVADDRMAFCOOPC-UHFFFAOYSA-N germanium monoxide Inorganic materials [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000010220 ion permeability Effects 0.000 description 1
- 239000003273 ketjen black Substances 0.000 description 1
- 239000006233 lamp black Substances 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Inorganic materials [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 1
- 229910002102 lithium manganese oxide Inorganic materials 0.000 description 1
- QEXMICRJPVUPSN-UHFFFAOYSA-N lithium manganese(2+) oxygen(2-) Chemical group [O-2].[Mn+2].[Li+] QEXMICRJPVUPSN-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
- VROAXDSNYPAOBJ-UHFFFAOYSA-N lithium;oxido(oxo)nickel Chemical group [Li+].[O-][Ni]=O VROAXDSNYPAOBJ-UHFFFAOYSA-N 0.000 description 1
- URIIGZKXFBNRAU-UHFFFAOYSA-N lithium;oxonickel Chemical compound [Li].[Ni]=O URIIGZKXFBNRAU-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 150000005181 nitrobenzenes Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920001197 polyacetylene Polymers 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
- 230000002265 prevention Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000003233 pyrroles Chemical class 0.000 description 1
- 239000001008 quinone-imine dye Substances 0.000 description 1
- 238000006722 reduction reaction Methods 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
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 229920005608 sulfonated EPDM Polymers 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 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
- 239000010409 thin film Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical group 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- BDZBKCUKTQZUTL-UHFFFAOYSA-N triethyl phosphite Chemical compound CCOP(OCC)OCC BDZBKCUKTQZUTL-UHFFFAOYSA-N 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- 235000015041 whisky Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0463—Cells or batteries with horizontal or inclined electrodes
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded electrodes
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0459—Cells or batteries with folded separator between plate-like electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
-
- 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
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/105—Pouches or flexible bags
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/121—Organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
- H01M50/133—Thickness
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/198—Sealing members characterised by the material characterised by physical properties, e.g. adhesiveness or hardness
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
- H01M50/461—Separators, membranes or diaphragms characterised by their combination with electrodes with adhesive layers between electrodes and separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
-
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a battery cell including a hole.
- lithium secondary batteries such as lithium ion batteries and lithium ion polymer batteries is high.
- secondary batteries are classified according to the structure of an electrode assembly having a structure in which a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode are formed.
- Jelly-roll type electrode assembly having a structure wound in a state where a separator is interposed, a stack type electrode assembly in which a plurality of anodes and cathodes cut in units of a predetermined size are sequentially stacked with a separator therebetween
- an electrode assembly having an advanced structure which is a mixed form of the jelly-roll type and the stack type has a predetermined unit.
- Stacked / foldable electrode having a structure in which positive and negative electrodes are sequentially wound in a state in which unit cells stacked on a separator film are stacked with a separator interposed therebetween Developed body lip.
- the secondary battery is a cylindrical battery and a rectangular battery in which the electrode assembly is embedded in a cylindrical or rectangular metal can according to the shape of the battery case, and a pouch type battery in which the electrode assembly is embedded in a pouch type case of an aluminum laminate sheet. Are classified.
- a pouch-type battery having a stacked or stacked / folding electrode assembly in a pouch-type battery case of an aluminum laminate sheet has attracted much attention due to its low manufacturing cost, small weight, and easy shape deformation. And its usage is gradually increasing.
- each electrode constituting the electrode assembly generates a variety of phenomena and changes when the battery is driven, and through the real-time observation of the various phenomena and changes, the results of the basic research on the secondary battery
- the electrode assembly is sealed in an opaque battery case in spite of being able to be used for performance diagnosis and improvement, the electrode constituting the electrode assembly has a structure in which the electrodes are laminated by other electrodes and separators, so that the electrode assembly is not easy to observe. There is a problem.
- the present invention aims to solve the problems of the prior art as described above and the technical problems that have been requested from the past.
- the inventors of the present application form a hole from the battery case to the positive electrode or the negative electrode in the electrode assembly, as described later, and a transparent member at a portion of the battery case corresponding to the hole.
- the holes and the window Through the holes and the window, the real-time observation of various phenomena and changes occurring inside the battery when the battery is driven through the holes and the windows is possible, and the observation results are utilized for basic research, performance diagnosis, and improvement of the battery.
- With the simple configuration of forming holes and windows in the conventional electrode assembly and the battery case it is easy to observe the change in the battery when the battery is driven, so that a complicated design and manufacture of a separate experimental battery cell can be achieved. It is not necessary, and inside the battery generated in the state of implementing the same performance as the conventional battery Various phenomena and changes can be observed, and it has been confirmed that the reliability of the results can be improved, and the present invention has been completed.
- An electrode assembly having a laminated structure including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode is mounted to an accommodating part of the battery case;
- At least one hole is formed in the electrode assembly from the battery case to the positive electrode or the negative electrode;
- the portion of the battery case corresponding to the hole has a structure in which a window of the transparent member is formed.
- the electrode assembly and the battery case are formed in a structure in which at least one hole and the window of the transparent member corresponding to the hole is in communication with each other in a vertical cross-section, through the hole and the window, inside the battery when the battery is driven Various phenomena and changes occurring can be observed in real time, and the observation results can be used for basic research, performance diagnosis and improvement of the battery.
- the battery case may be a pouch type case of a laminate sheet including a resin layer and a metal layer, but is not limited thereto, and includes a cylindrical or rectangular can and a cap mounted on an open upper end of the can. It may be a structure.
- the electrode assembly is not particularly limited as long as one or more holes from the battery case to the positive electrode or the negative electrode are formed without degrading the performance of the battery cell.
- the positive electrode sheet and the negative electrode sheet having the separator sheet interposed therebetween A jelly-roll electrode assembly having a wound structure, a stacked electrode assembly in which one or more positive electrode plates and one or more negative electrode plates are laminated with a separator interposed therebetween, or stacked unit cells including a positive electrode plate and a negative electrode plate are wound on a separator sheet. Stacked and folded electrode assemblies.
- the electrode assembly includes a structure in which at least one pair of A electrodes, which are anodes or cathodes, and B electrodes, which are opposite poles of the A electrodes, are stacked in an alternating manner in a state where a separator is interposed on a vertical cross section, and in the stacked structure.
- the outermost electrodes may each be an A electrode and a B electrode, or may have a structure each consisting of an A electrode.
- the electrode assembly includes a structure in which one or more pairs of anodes and cathodes are alternately stacked in a state in which a separator is interposed on a vertical cross section, and the outermost electrodes of the stacking structure have the same or different structure. Can be.
- the electrode assembly from one side of the battery case where the window is located, the first electrode is an A 1 electrode, the second electrode is a B 2 electrode, the k-1 th electrode is A (k-1 ) Electrode, and when the kth electrode is the Bk electrode (where k is a natural number of 4 or more), a hole communicating from the first electrode to the k-1th electrode is drilled for the observation of the kth electrode. It may be a structure.
- the electrode assembly including the plurality of electrodes, from one side of the battery case in which the window is located, when the first electrode is A 1 electrode, the second electrode of the opposite polarity is the B 2 electrode,
- the (k-1) th electrode becomes an A (k-1) electrode, and the kth electrode becomes a Bk electrode.
- a hole communicating from the first electrode to the k-1 th electrode may be perforated so that the k-th electrode can be observed, and a window is formed at a portion of the battery case corresponding to the hole.
- various phenomena and changes occurring at the k-th electrode may be easily observed through the window.
- the electrode assembly from one side of the battery case in which the window is located, the first electrode is an A 1 electrode, the second electrode is a B 2 electrode, the k-1 th electrode is A (k-1 ) Electrode and the k th electrode is a B k electrode (where k is a natural number of 4 or more), for the observation of the k-1 th electrode, a hole communicating from the first electrode to the k-2 th electrode is punctured It may be a structure.
- the electrode assembly including the plurality of electrodes, from one side of the battery case in which the window is located, when the first electrode is A 1 electrode, the second electrode of the opposite polarity is the B 2 electrode,
- the (k-1) th electrode becomes an A (k-1) electrode, and the kth electrode becomes a Bk electrode.
- a hole communicating from the first electrode to the k-2nd electrode may be punctured so that the k-1th electrode can be observed, and a window is formed at a portion of the battery case corresponding to the hole. As the battery is driven, various phenomena and changes occurring at the k-1 th electrode can be easily observed through the window.
- the electrode assembly and the battery case may have a structure in which two or more holes and windows are formed. Specifically, the two or more holes and windows are formed in different portions, respectively, and the two or more holes are It is formed to be observed from one side, or the opposite side, or one side and the opposite side of the battery case, through the respective holes and windows, it is possible to observe a variety of phenomena and changes occurring in different electrodes when the battery is driven.
- the area of the hole may be 1 to 15% of the size of the entire surface of one surface of the battery cell, and in detail, 3 to 5% of the size of the hole.
- the area of the hole is less than 1% of the total area of one surface of the battery cell, sufficient space cannot be formed to observe various phenomena and changes occurring inside the battery when the battery is driven. When exceeded, the performance of the battery cell is lowered compared to the conventional battery, and the reliability of the observation result may be lowered.
- the hole may be formed in the electrode and the separator of the electrode assembly, the area of the hole formed in the separator may be formed in a structure smaller than the area of the hole formed in the electrode.
- the area of the hole formed in the separator may be 60 to 90% of the size of the hole formed in the electrode, and in detail, may be 70 to 80% of the size of the hole.
- the area of the hole formed in the separator is less than 60% of the area of the hole formed in the electrode, as described above, various phenomena and changes occurring inside the battery when the battery is driven may be observed. If sufficient space cannot be formed and exceeds 90%, the positive electrode and the negative electrode facing each other with the separator interposed therebetween may directly contact each other, thereby causing an internal short circuit of the battery cell.
- a window of a transparent member is formed in a portion of the battery case corresponding to the hole of the electrode assembly. More specifically, an opening is drilled in the portion of the battery case corresponding to the hole of the electrode assembly. It may be a structure in which the transparent member is attached to the window to form a window.
- the electrode is easily observed through the window formed by attaching the transparent member and the corresponding hole.
- the transparent member may be a structure that is attached by an adhesive or an adhesive tape to secure the sealing of the opening of the serious case, but is not limited thereto, without causing a change in the performance of the battery cell As long as it is an attachment method that can secure the sealing property to the opening of the battery case, it is not particularly limited.
- the adhesive may be any one or more selected from the group consisting of an epoxy adhesive, a ceramic adhesive, and an acrylic adhesive.
- the adhesive tape may be a polyimide tape, a polyester ( polyester tape, and polyethylene (polyethylene) tape may be any one or more selected from the group consisting of.
- the type of the adhesive and the adhesive tape is not limited as long as it can secure the sealing property through the stable attachment of the transparent member to the opening of the battery case without causing the performance change of the battery cell.
- the transparent member is a film of an optically transparent material that is easy to observe the electrode, it may be made of a polymer film, in detail, a polypropylene film and a cyclo olefin-based film It may be any one or more selected from the group consisting of, in more detail, may be made of a cycloolefin-based film (excellent chemical resistance and moisture resistance).
- the thickness of the transparent member may be a size of 20 to 150% with respect to the thickness of the battery case, in detail, may be a size of 50 to 100%, more specifically, the thickness of a general pouch-type battery case Considering that is 100 to 150 ⁇ m, the thickness of the transparent member may be 20 to 100 ⁇ m.
- the desired sealing force may not be exerted when forming a window to the opening of the battery case, and if it exceeds 150%, the electrode may be reliably observed. There may not be enough transparency.
- observation of the electrode of the battery cell according to the present invention is Raman Spectroscopy, X-Ray Diffraction (XRD), Atomic Force Microscope (AFM)
- XRD X-Ray Diffraction
- AFM Atomic Force Microscope
- the peaks derived from the polypropylene film may overlap with the peaks of graphite, which may be achieved through a scanning tunneling microscope (STM).
- STM scanning tunneling microscope
- a cycloolefin-based film may be used as the transparent member forming the window of the battery case.
- the electrode when the electrode is observed through an atomic force microscope or a scanning tunnel microscope, contact observation is made on the electrode, so that the electrode is observed without the transparent member forming the window in the opening of the battery case. Accordingly, the electrode may be observed in an environment in which moisture is controlled, such as a glove box or a dry room, so as to eliminate or minimize the change of the electrode due to the external environment.
- the battery cell according to the present invention is not particularly limited in its kind, but as a specific example, a lithium secondary battery such as a lithium ion battery, a lithium ion polymer battery and the like having advantages such as high energy density, discharge voltage, output stability, etc. Can be.
- a lithium secondary battery such as a lithium ion battery, a lithium ion polymer battery and the like having advantages such as high energy density, discharge voltage, output stability, etc. Can be.
- a lithium secondary battery is composed of a positive electrode, a negative electrode, a separator, and a lithium salt-containing nonaqueous electrolyte.
- the positive electrode is prepared by, for example, applying a mixture of a positive electrode active material, a conductive material, and a binder to a positive electrode current collector, followed by drying, and optionally, a filler is further added to the mixture.
- the conductive material is typically added in an amount of 1 to 30 wt% based on the total weight of the mixture including the positive electrode active material.
- a conductive material is not particularly limited as long as it has conductivity without causing chemical change in the battery, and examples thereof include graphite such as natural graphite and artificial graphite; Carbon blacks such as carbon black, acetylene black, Ketjen black, channel black, furnace black, lamp black, and summer black; Conductive fibers such as carbon fibers and metal fibers; Metal powders such as carbon fluoride powder, aluminum powder and nickel powder; Conductive whiskeys such as zinc oxide and potassium titanate; Conductive metal oxides such as titanium oxide; Conductive materials such as polyphenylene derivatives and the like can be used.
- the binder is a component that assists the bonding of the active material and the conductive material to the current collector, and is generally added in an amount of 1 to 30 wt% based on the total weight of the mixture including the positive electrode active material.
- binders include polyvinylidene fluoride, polyvinyl alcohol, carboxymethyl cellulose (CMC), starch, hydroxypropyl cellulose, regenerated cellulose, polyvinylpyrrolidone, tetrafluoroethylene, polyethylene , Polypropylene, ethylene-propylene-diene terpolymer (EPDM), sulfonated EPDM, styrene butylene rubber, fluorine rubber, various copolymers and the like.
- the filler is optionally used as a component for inhibiting expansion of the positive electrode, and is not particularly limited as long as it is a fibrous material without causing chemical change in the battery.
- the filler include olefinic polymers such as polyethylene and polypropylene; Fibrous materials, such as glass fiber and carbon fiber, are used.
- the negative electrode is manufactured by coating and drying a negative electrode active material on a negative electrode current collector, and optionally, the components as described above may optionally be further included.
- carbon such as hardly graphitized carbon and graphite type carbon
- the separator and the separator are interposed between the anode and the cathode, and an insulating thin film having high ion permeability and mechanical strength is used.
- the pore diameter of the separator is generally from 0.01 to 10 ⁇ m ⁇ m, thickness is generally 5 ⁇ 300 ⁇ m.
- a separator for example, olefin polymers such as chemical resistance and hydrophobic polypropylene; Sheets or non-woven fabrics made of glass fibers or polyethylene are used.
- a solid electrolyte such as a polymer is used as the electrolyte, the solid electrolyte may also serve as a separator.
- the separator and / or the separator may be a safety-reinforcing separator (SRS) separator of organic / inorganic composite porous.
- SRS safety-reinforcing separator
- the SRS separator is manufactured using inorganic particles and a binder polymer as an active layer component on a polyolefin-based separator substrate, wherein the pore structure included in the separator substrate itself and the interstitial volume between the inorganic particles as the active layer component are used. It has a uniform pore structure formed.
- the organic / inorganic composite porous separator may exhibit excellent adhesion characteristics by controlling the content of the inorganic particles and the binder polymer, which are the active layer components in the separator, and thus may have an easy battery assembly process.
- the inorganic particles are not particularly limited as long as they are electrochemically stable. That is, the inorganic particles that can be used in the present invention are not particularly limited as long as the oxidation and / or reduction reactions do not occur in the operating voltage range of the battery to be applied (for example, 0 to 5 V on the basis of Li / Li +).
- the inorganic particles having the ion transfer ability since the ion conductivity in the electrochemical device can be improved to improve the performance, it is preferable that the ion conductivity is as high as possible.
- the inorganic particles have a high density, it is not only difficult to disperse during coating, but also has a problem of weight increase during battery manufacturing, and therefore, it is preferable that the density is as small as possible.
- an inorganic material having a high dielectric constant it is possible to contribute to an increase in the degree of dissociation of an electrolyte salt such as lithium salt in the liquid electrolyte, thereby improving the ionic conductivity of the electrolyte solution.
- the lithium salt-containing nonaqueous electrolyte solution consists of a polar organic electrolyte solution and a lithium salt.
- a non-aqueous liquid electrolyte an organic solid electrolyte, an inorganic solid electrolyte, and the like are used.
- N-methyl- 2-pyrrolidinone a propylene carbonate, ethylene carbonate, butylene carbonate, dimethyl carbonate, diethyl carbonate, gamma
- Butyl lactone 1,2-dimethoxy ethane, tetrahydroxy franc, 2-methyl tetrahydrofuran, dimethyl sulfoxide, 1,3-dioxorone, formamide, dimethylformamide, dioxolon , Acetonitrile, nitromethane, methyl formate, methyl acetate, phosphate triester, trimethoxy methane, dioxorone derivatives, sulfolane, methyl sulfolane, 1,3-dimethyl-2-imidazolidinone, propylene carbo Aprotic organic solvents such as nate derivatives, tetrahydrofuran derivatives, ethers, methyl pyroionate and eth
- organic solid electrolyte examples include polyethylene derivatives, polyethylene oxide derivatives, polypropylene oxide derivatives, phosphate ester polymers, polyedgetion lysine, polyester sulfides, polyvinyl alcohols, polyvinylidene fluorides, Polymers containing ionic dissociating groups and the like can be used.
- Examples of the inorganic solid electrolyte include Li 3 N, LiI, Li 5 NI 2 , Li 3 N-LiI-LiOH, LiSiO 4 , LiSiO 4 -LiI-LiOH, Li 2 SiS 3 , Li 4 SiO 4 , Li 4 SiO 4 -LiI-LiOH, Li 3 PO 4 -Li 2 has a nitride, halides, sulfates, such as Li, such as S-SiS 2 can be used.
- the lithium salt is a good material to be dissolved in the non-aqueous electrolyte, for example, LiCl, LiBr, LiI, LiClO 4 , LiBF 4 , LiB 10 Cl 10 , LiPF 6 , LiCF 3 SO 3 , LiCF 3 CO 2 , LiAsF 6, LiSbF 6, LiAlCl 4, CH 3 SO 3 Li, CF 3 SO 3 Li, (CF 3 SO 2) 2 NLi, chloroborane lithium, lower aliphatic carboxylic acid lithium, lithium tetraphenyl borate and imide have.
- the non-aqueous electrolyte solution includes, for example, pyridine, triethyl phosphite, triethanolamine, cyclic ether, ethylene diamine, n-glyme, and hexaphosphate triamide.
- halogen-containing solvents such as carbon tetrachloride and ethylene trifluoride may be further included, and carbon dioxide gas may be further included to improve high temperature storage characteristics.
- FIG. 1 is a schematic view showing a method of constructing an electrode assembly constituting a battery cell according to an embodiment of the present invention
- FIG. 2 is a plan view schematically illustrating the structure of an electrode assembly manufactured by the method of FIG. 1;
- 3 to 6 are schematic diagrams schematically showing a laminated structure of a battery cell according to various embodiments of the present invention.
- FIG. 1 is a schematic diagram schematically showing a method for constructing an electrode assembly constituting a battery cell according to an embodiment of the present invention.
- the electrode assembly 100 has a stacked structure including an anode 110, a cathode 130, and a separator 120 interposed between the anode 110 and the cathode 130.
- One hole 111 and 121 is drilled in the anode 110 and the separator 120, respectively, and the holes 111 and 121 drilled in the anode 110 and the separator 120 are formed at positions corresponding to each other. It is composed of a structure that communicates (140).
- FIG. 2 is a plan view schematically showing the structure of an electrode assembly manufactured by the method of FIG. 1.
- the electrode assembly 100 includes a main body 160 in which an anode 110, a cathode 130, and a separator 120 interposed between the anode 110 and the cathode 130 are stacked on each other. It includes, and the positive electrode terminal 151 and the negative electrode terminal 152 protrudes to one side of the main body 160.
- holes 111 and 121 are formed to communicate with each other at portions corresponding to each other of the anode 110 and the separator 120, respectively, and the inside of the electrode assembly 100 through the holes 111 and 121.
- the cathode 130 of can be observed.
- the area of the hole 121 formed in the separator 120 is formed to be smaller than the area of the hole 111 formed in the anode 110, and in detail, is formed in a size of 60 to 90%. As a result, direct contact between the anode 110 and the cathode 130 may be prevented, thereby preventing occurrence of an internal short circuit.
- 3 to 6 are schematic diagrams schematically showing a laminated structure of a battery cell according to various embodiments of the present invention.
- the electrode assembly 340 of the battery cell 300 includes two positive electrodes 311 and 312, two negative electrodes 331 and 332, and the positive electrodes 311 and 312 and the negative electrode. It consists of a laminated structure of the separators 321, 322, 323 interposed between the fields 331, 332, and the outermost electrodes 311, 332 of the electrode assembly 340 each have a positive polarity having different polarities ( 311) and a negative electrode 332 to face the battery cases 351 and 352, respectively.
- the electrode assembly 340 has one hole 370 extending from the battery case 351 on one side to the negative electrode 332 as the fourth electrode, and the portion of the battery case 351 corresponding to the hole 370 is formed.
- the window 360 of the transparent member is formed in the inside.
- the hole 370 is formed in a structure in which the hole 370 communicates 380 from the battery case 351 on one side where the window 360 is located to the third electrode 312 and the separator 323.
- the electrode assembly 440 of the battery cell 400 may have two positive electrodes 411 and 412, two negative electrodes 431 and 432, and the positive electrodes 411 and 412, like FIG. 3. ) And the separators 421, 422, and 423 interposed between the cathodes 431 and 432, and the outermost electrodes 411 and 432 of the electrode assembly 440 have different polarities.
- the positive electrode 411 and the negative electrode 432 face each of the battery cases 451 and 452.
- the electrode assembly 440 has another hole 472 extending from the third electrode to the positive electrode 412.
- windows 461 and 462 of the transparent member are formed at portions of the battery case 451 corresponding to the holes 471 and 472, respectively.
- One hole 471 is formed to communicate from the battery case 451 on one side where the window 461 is positioned to the third electrode 412 and the separator 423, and another hole 472.
- the silver window 462 is formed to communicate from the battery case 451 on one side where the window 462 is located to the second electrode 431 and the separator 422.
- two holes 471 and 472 and windows 461 and 462 are formed in the same battery case 451 in the electrode assembly 440 and the premise case 451 of the battery cell 400.
- Various phenomena and changes occurring in the phosphorus cathode 432 and the anode 412 which is the third electrode can be easily observed.
- the windows may be formed not only on the same side of the battery case but also on one side and the opposite side facing each other, and each of the windows is formed on one side and the opposite side of the battery case facing each other. Is shown.
- the electrode assembly 540 includes a second electrode from the battery case 552 on the opposite side in addition to one hole 571 from the battery case 551 on one side to the cathode 531, which is the second electrode.
- Another hole 572 extending to the anode 512 is further formed, and the windows 561 and 562 of the transparent member are formed at the portions of the battery cases 551 and 552 corresponding to the holes 571 and 572. Each is formed.
- One hole 571 is formed to communicate from the battery case 551 on one side where the window 561 is located to the first electrode 511 and the separator 521, and another hole 572. Is formed in a structure that communicates from the battery case 552 on the opposite side where another window 562 is located to the first electrode 532 and the separator 523.
- two holes 571 and 572 and windows 561 and 562 are formed in the electrode assembly 540 and the premise cases 551 and 552 of the battery cell 500, respectively.
- the battery case 551 on one side and the battery case 552 on the opposite side are respectively formed.
- the electrode assembly 540 is driven when the battery cell 500 is driven.
- Various phenomena and changes occurring in the cathode 531 which is the second electrode from one side and the anode 512 which is the second electrode from the other side can be easily observed.
- an EC / EMC-based electrolyte solution containing 1M LiPF 6 lithium salt is included.
- the solution was injected, impregnated in an electrode, and then sealed to prepare a battery cell.
- an opening is formed in a portion of the pouch type battery case corresponding to the hole of the electrode assembly, and a window having a cycloolefin-based film is formed in the opening.
- Example 1 The battery cells manufactured in Example 1 were charged and discharged at 4.2 V to 2.5 V, and the capacity retention rate was measured according to the charge and discharge cycles. The results are shown in FIG. 6.
- the battery cell according to the present invention by forming a hole from the battery case to the positive electrode or the negative electrode in the electrode assembly, and configured to form a window of the transparent member in the portion of the battery case corresponding to the hole, Through the holes and windows, real-time observation of various phenomena and changes occurring inside the battery when the battery is driven can be performed, and the observation results can be utilized for basic research, performance diagnosis, and improvement of the battery, and conventional electrode assemblies and With only a simple configuration of forming holes and windows in the battery case, it is easy to observe the changes and phenomena occurring inside the battery when the battery is driven, and there is no need for complicated design and fabrication of a separate experimental battery cell. Monitors various phenomena and changes of electrodes that occur under the same performance as batteries It can be cold, and the effect which can raise the reliability about the result is provided.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Cell Separators (AREA)
Abstract
Description
Claims (18)
- 양극, 음극, 및 상기 양극과 음극 사이에 개재되는 분리막을 포함하는 적층 구조의 전극조립체가 전지케이스의 수납부에 장착되어 있으며;상기 전극조립체에는 전지케이스로부터 양극 또는 음극에 이르는 하나 이상의 홀이 형성되어 있고;상기 홀에 대응하는 전지케이스의 부위에는 투명 부재의 윈도우가 형성되어 있는 것을 특징으로 하는 전지셀.
- 제 1 항에 있어서, 상기 전지케이스는 수지층과 금속층을 포함하는 라미네이트 시트의 파우치형 케이스인 것을 특징으로 하는 전지셀.
- 제 1 항에 있어서, 상기 전극조립체는 분리막 시트가 개재되어 있는 양극시트와 음극시트가 권취되어 있는 구조의 젤리-롤형 전극조립체, 분리막이 개재된 상태로 하나 이상의 양극판과 하나 이상의 음극판이 적층되어 있는 스택형 전극조립체, 또는 양극판과 음극판을 포함하는 적층형 유닛셀들이 분리막 시트에 위해 권취되어 있는 스택 및 폴딩형 전극조립체인 것을 특징으로 하는 전지셀.
- 제 1 항에 있어서, 상기 전극조립체는 수직 단면상으로 분리막이 개재된 상태에서 양극 또는 음극인 A 전극, 및 상기 A 전극의 대향 극인 B 전극이 교번 방식으로 한 쌍 이상 적층된 구조를 포함하고 있고, 적층된 구조에서 최외곽 전극들이 각각 A 전극과 B 전극이거나 또는 각각 A 전극인 것을 특징으로 하는 전지셀.
- 제 4 항에 있어서, 상기 전극조립체는, 윈도우가 위치하는 전지케이스의 일측으로부터, 첫 번째 전극이 A1 전극이고, 두 번째 전극이 B2 전극이며, k-1 번째 전극이 A(k-1) 전극이고, k 번째 전극이 Bk 전극일 때 (여기서, k는 4 이상의 자연수임), 상기 k 번째 전극의 관찰을 위해, 첫 번째 전극으로부터 k-1 번째 전극까지 연통되는 홀이 천공되어 있는 것을 특징으로 하는 전지셀.
- 제 4 항에 있어서, 상기 전극조립체는, 윈도우가 위치하는 전지케이스의 일측으로부터, 첫 번째 전극이 A1 전극이고, 두 번째 전극이 B2 전극이며, k-1 번째 전극이 A(k-1) 전극이고, k 번째 전극이 Bk 전극일 때 (여기서, k는 4 이상의 자연수임), 상기 k-1 번째 전극의 관찰을 위해, 첫 번째 전극으로부터 k-2 번째 전극까지 연통되는 홀이 천공되어 있는 것을 특징으로 하는 전지셀.
- 제 1 항에 있어서, 상기 전극조립체 및 전지케이스에는 둘 이상의 홀들 및 윈도우들이 형성되어 있는 것을 특징으로 하는 전지셀.
- 제 7 항에 있어서, 상기 둘 이상의 홀들 및 윈도우들은 각각 서로 다른 부위에 형성되어 있는 것을 특징으로 하는 전지셀.
- 제 7 항에 있어서, 상기 둘 이상의 홀들은 전지케이스의 일측, 또는 대향측, 또는 일측 및 대향측으로부터 관찰할 수 있도록 형성되어 있는 것을 특징으로 하는 전지셀.
- 제 1 항에 있어서, 상기 홀의 면적은 평면상 전지셀 일면의 전체 면적에 대해 1 내지 15%의 크기인 것을 특징으로 하는 전지셀.
- 제 1 항에 있어서, 상기 분리막에 형성되어 있는 홀의 면적은 전극에 형성되어있는 홀의 면적에 비해 작은 것을 특징으로 하는 전지셀.
- 제 11 항에 있어서, 상기 분리막에 형성되어 있는 홀의 면적은 전극에 형성되어 있는 홀의 면적에 대해 60 내지 90%의 크기인 것을 특징으로 하는 전지셀.
- 제 1 항에 있어서, 상기 전지케이스에는 전극조립체의 홀에 대응하는 부위에 개구가 천공되어 있고, 상기 개구에 투명 부재가 부착되어 윈도우를 형성하고 있는 것을 특징으로 하는 전지셀.
- 제 1 항에 있어서, 상기 투명 부재는 접착제 또는 접착 테이프에 의해 부착되어 있는 것을 특징으로 하는 전지셀.
- 제 14 항에 있어서, 상기 접착제는 에폭시 접착제, 세라믹 접착제, 및 아크릴 접착제로 이루어진 군에서 선택되는 어느 하나 이상인 것을 특징으로 하는 전지셀.
- 제 14 항에 있어서, 상기 접착 테이프는 폴리이미드(polyimide) 테이프, 폴리에스테르(polyester) 테이프, 및 폴리에틸렌(polyethylene) 테이프로 이루어진 군에서 선택되는 어느 하나 이상인 것을 특징으로 하는 전지셀.
- 제 1 항에 있어서, 상기 투명 부재는 고분자 필름으로서, 폴리프로필렌(polypropylene) 필름 및 시클로올레핀(cyclo olefin)계 필름으로 이루어진 군에서 선택되는 어느 하나 이상인 것을 특징으로 하는 전지셀.
- 제 1 항에 있어서, 상기 전지셀은 리튬 이차전지인 것을 특징으로 하는 전지셀.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL15752275T PL3093907T3 (pl) | 2014-02-24 | 2015-01-30 | Ogniwo baterii zawierające otwór |
US15/118,558 US10319953B2 (en) | 2014-02-24 | 2015-01-30 | Battery cell having hole |
JP2016551718A JP6618121B2 (ja) | 2014-02-24 | 2015-01-30 | ホールを含んでいる電池セル |
CN201580008725.8A CN106062996B (zh) | 2014-02-24 | 2015-01-30 | 具有孔的电池 |
EP15752275.6A EP3093907B1 (en) | 2014-02-24 | 2015-01-30 | Battery cell including hole |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2014-0021024 | 2014-02-24 | ||
KR1020140021024A KR101970813B1 (ko) | 2014-02-24 | 2014-02-24 | 홀을 포함하고 있는 전지셀 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015126074A1 true WO2015126074A1 (ko) | 2015-08-27 |
Family
ID=53878529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2015/001016 WO2015126074A1 (ko) | 2014-02-24 | 2015-01-30 | 홀을 포함하고 있는 전지셀 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10319953B2 (ko) |
EP (1) | EP3093907B1 (ko) |
JP (1) | JP6618121B2 (ko) |
KR (1) | KR101970813B1 (ko) |
CN (1) | CN106062996B (ko) |
PL (1) | PL3093907T3 (ko) |
WO (1) | WO2015126074A1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106505236A (zh) * | 2015-09-04 | 2017-03-15 | 雷纳塔股份公司 | 纽扣电池和用于生产这种纽扣电池的方法 |
US20180026317A1 (en) * | 2016-07-19 | 2018-01-25 | Uchicago Argonne, Llc | PHOTO-ASSISTED FAST CHARGING OF LITHIUM MANGANESE OXIDE SPINEL (LiMn2O4) IN LITHIUM-ION BATTERIES |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6776530B2 (ja) * | 2015-12-14 | 2020-10-28 | 株式会社村田製作所 | 電池、電池パック、電子機器、電動車両、蓄電装置および電力システム |
KR102000632B1 (ko) | 2016-06-09 | 2019-10-01 | 주식회사 엘지화학 | 2차 전지 전극의 두께 변화 측정 장치 및 그를 장착한 2차 전지 |
US10804571B2 (en) | 2016-11-24 | 2020-10-13 | Lg Chem, Ltd. | Method of manufacturing battery cell comprising electrode having aperture |
JP6890872B2 (ja) | 2017-07-10 | 2021-06-18 | エルジー・ケム・リミテッド | バッテリモジュールケースおよびこれを含むバッテリモジュール |
JP2019102399A (ja) * | 2017-12-08 | 2019-06-24 | 日本電信電話株式会社 | 光透過型電池、その電池を用いたデバイス、及び電池残量の判定方法 |
KR102183680B1 (ko) * | 2018-05-03 | 2020-11-27 | 주식회사 엘지화학 | 배터리 모듈의 제조방법 |
US11050093B2 (en) * | 2018-06-25 | 2021-06-29 | Eskra Technical Products, Inc. | Bipolar lead acid battery cells with increased energy density |
KR102170731B1 (ko) * | 2018-12-19 | 2020-10-27 | 한국기초과학지원연구원 | 인시츄 광학 및 전기화학 분석 방법 및 이를 위한 전지 셀 측정 모듈 |
KR102170732B1 (ko) * | 2018-12-19 | 2020-10-27 | 한국기초과학지원연구원 | 인시츄 광학 및 전기화학 분석 방법 및 이를 위한 전지 셀 단면측정 모듈 |
KR102396438B1 (ko) * | 2019-02-21 | 2022-05-10 | 주식회사 엘지에너지솔루션 | 전지 모듈 및 그 제조 방법 |
WO2021144928A1 (ja) * | 2020-01-16 | 2021-07-22 | 川崎重工業株式会社 | 蓄電素子およびその製造方法 |
KR20210126216A (ko) * | 2020-04-10 | 2021-10-20 | 주식회사 엘지에너지솔루션 | 리튬 석출 거동 평가용 전지셀 및 이의 제조방법 |
DE102022106343A1 (de) | 2022-03-18 | 2023-09-21 | Audi Aktiengesellschaft | Energiespeicheranordnung für ein Kraftfahrzeug und Verfahren zum Herstellen einer Energiespeicheranordnung |
WO2024026848A1 (zh) * | 2022-08-05 | 2024-02-08 | 宁德时代新能源科技股份有限公司 | 一种电池单体 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000090896A (ja) * | 1998-09-14 | 2000-03-31 | Mitsubishi Electric Corp | 電池パック |
KR20010097437A (ko) * | 2000-04-22 | 2001-11-08 | 정근창 | 리튬이온 이차전지 및 그 제조방법 |
KR20020065293A (ko) * | 2001-02-06 | 2002-08-13 | 주식회사 엘지화학 | 천공된 전극군 및 이를 이용하는 리튬 2차 전지 |
KR20130035754A (ko) * | 2011-09-30 | 2013-04-09 | 주식회사 엘지화학 | 다공성 구조의 이차전지 및 이를 포함하는 전지모듈 |
KR20130105272A (ko) * | 2012-03-14 | 2013-09-25 | 주식회사 엘지화학 | 관통 구멍이 형성된 전지셀 및 이를 포함하는 전지팩 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59146150A (ja) | 1983-02-07 | 1984-08-21 | Hitachi Maxell Ltd | 密閉形電池の製造法 |
JP3141484B2 (ja) | 1992-02-07 | 2001-03-05 | 富士通株式会社 | 高分子電池及びそのパッケージ構造 |
JP4372898B2 (ja) | 1999-07-16 | 2009-11-25 | 大日本印刷株式会社 | 積層体およびそれを用いたポリマー電池用包装材料 |
US6687698B1 (en) * | 1999-10-18 | 2004-02-03 | Fisher Rosemount Systems, Inc. | Accessing and updating a configuration database from distributed physical locations within a process control system |
KR20010078633A (ko) * | 2000-02-09 | 2001-08-21 | 김영한 | 전해액 감지가 가능한 차량용 축전지 전조 |
US20030049522A1 (en) * | 2001-09-12 | 2003-03-13 | Doomernik Marinus A. | Battery tester label |
US6929935B2 (en) * | 2001-12-19 | 2005-08-16 | Bristol-Myers Squibb Company | Gluconobacter oxydans 2-ketoreductase enzyme and applications thereof |
US7224036B2 (en) * | 2002-06-14 | 2007-05-29 | Matsushita Electric Works, Ltd. | Photoelectric transducer and its manufacturing method |
JP4527364B2 (ja) | 2003-05-08 | 2010-08-18 | 富士通株式会社 | シート型表示装置 |
DE102008028649A1 (de) | 2008-06-18 | 2009-12-24 | Albert-Ludwigs-Universität Freiburg | Integrierter Hydrid-Luft Akkumulator |
JP5392809B2 (ja) * | 2008-07-18 | 2014-01-22 | Necエナジーデバイス株式会社 | リチウム二次電池 |
JP2010102902A (ja) * | 2008-10-22 | 2010-05-06 | Toshiba Corp | 燃料電池 |
US8863171B2 (en) * | 2010-06-14 | 2014-10-14 | Sony Corporation | Announcement of program synchronized triggered declarative objects |
JP2012109176A (ja) * | 2010-11-19 | 2012-06-07 | Mazda Motor Corp | 電池の劣化分析方法 |
JP6004540B2 (ja) * | 2011-03-18 | 2016-10-12 | 国立大学法人 筑波大学 | バインダーフリー電池 |
WO2013042948A2 (ko) | 2011-09-20 | 2013-03-28 | 주식회사 엘지화학 | 다공성 구조의 전극조립체 및 이를 포함하는 이차전지 |
KR102091431B1 (ko) * | 2012-03-30 | 2020-03-20 | 에리 파워 가부시키가이샤 | 시험용 배터리 케이스 및 시험용 배터리 |
US9012055B2 (en) | 2012-06-06 | 2015-04-21 | Apple Inc. | Mechanical supports for improving resistance to mechanical stress in battery cells |
-
2014
- 2014-02-24 KR KR1020140021024A patent/KR101970813B1/ko active IP Right Grant
-
2015
- 2015-01-30 US US15/118,558 patent/US10319953B2/en active Active
- 2015-01-30 JP JP2016551718A patent/JP6618121B2/ja active Active
- 2015-01-30 WO PCT/KR2015/001016 patent/WO2015126074A1/ko active Application Filing
- 2015-01-30 CN CN201580008725.8A patent/CN106062996B/zh active Active
- 2015-01-30 PL PL15752275T patent/PL3093907T3/pl unknown
- 2015-01-30 EP EP15752275.6A patent/EP3093907B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000090896A (ja) * | 1998-09-14 | 2000-03-31 | Mitsubishi Electric Corp | 電池パック |
KR20010097437A (ko) * | 2000-04-22 | 2001-11-08 | 정근창 | 리튬이온 이차전지 및 그 제조방법 |
KR20020065293A (ko) * | 2001-02-06 | 2002-08-13 | 주식회사 엘지화학 | 천공된 전극군 및 이를 이용하는 리튬 2차 전지 |
KR20130035754A (ko) * | 2011-09-30 | 2013-04-09 | 주식회사 엘지화학 | 다공성 구조의 이차전지 및 이를 포함하는 전지모듈 |
KR20130105272A (ko) * | 2012-03-14 | 2013-09-25 | 주식회사 엘지화학 | 관통 구멍이 형성된 전지셀 및 이를 포함하는 전지팩 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3093907A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106505236A (zh) * | 2015-09-04 | 2017-03-15 | 雷纳塔股份公司 | 纽扣电池和用于生产这种纽扣电池的方法 |
US20180026317A1 (en) * | 2016-07-19 | 2018-01-25 | Uchicago Argonne, Llc | PHOTO-ASSISTED FAST CHARGING OF LITHIUM MANGANESE OXIDE SPINEL (LiMn2O4) IN LITHIUM-ION BATTERIES |
US10910679B2 (en) * | 2016-07-19 | 2021-02-02 | Uchicago Argonne, Llc | Photo-assisted fast charging of lithium manganese oxide spinel (LiMn2O4) in lithium-ion batteries |
US11688892B2 (en) | 2016-07-19 | 2023-06-27 | Uchicago Argonne, Llc | Photo-assisted fast charging of lithium manganese oxide spinel (LiMn2O4) in lithium-ion batteries |
Also Published As
Publication number | Publication date |
---|---|
EP3093907A4 (en) | 2017-06-28 |
CN106062996A (zh) | 2016-10-26 |
US10319953B2 (en) | 2019-06-11 |
PL3093907T3 (pl) | 2020-08-10 |
CN106062996B (zh) | 2019-02-15 |
JP6618121B2 (ja) | 2019-12-11 |
US20170047559A1 (en) | 2017-02-16 |
KR20150099896A (ko) | 2015-09-02 |
EP3093907A1 (en) | 2016-11-16 |
JP2017510940A (ja) | 2017-04-13 |
EP3093907B1 (en) | 2020-04-01 |
KR101970813B1 (ko) | 2019-04-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2015126074A1 (ko) | 홀을 포함하고 있는 전지셀 | |
WO2016048002A1 (ko) | 둘 이상의 케이스 부재들을 포함하는 각형 전지셀 | |
WO2016060521A1 (ko) | 전기절연층이 코팅되어 있는 전극탭 및 이를 포함하는 이차전지 | |
WO2015016482A1 (ko) | 음극 전극의 전리튬화 방법 | |
WO2015016479A1 (ko) | 전해액의 추가 공급이 가능한 이차전지 | |
WO2017095002A1 (ko) | 셀 케이스의 밀봉 신뢰성이 향상된 비정형 구조의 전지셀 | |
WO2013157823A1 (ko) | 양극과 음극의 용접 부위 형상이 다른 전극조립체 및 이를 포함하는 이차전지 | |
WO2013157827A1 (ko) | 서로 다른 형상의 양극과 음극을 포함하는 전극조립체 및 이차전지 | |
WO2015102139A1 (ko) | 이차전지용 음극 및 이를 포함하는 리튬 이차전지 | |
WO2015016548A1 (ko) | 비가역 첨가제가 포함되어 있는 이차전지용 양극 합제 | |
WO2017069453A1 (ko) | 복수의 전극 탭들이 형성되어 있는 단위 전극을 포함하는 파우치형 전지셀 | |
WO2015102140A1 (ko) | 이차전지용 음극 및 이를 포함하는 리튬 이차전지 | |
WO2014126369A1 (ko) | 비정형 구조의 전지셀 | |
WO2014168398A1 (ko) | 면적이 서로 다른 전극들을 포함하고 있는 전극 적층체 및 이를 포함하는 이차전지 | |
WO2017213344A1 (ko) | 다공성 구조의 냉각 겸용 완충 부재를 포함하는 전지모듈 | |
WO2017099333A1 (ko) | 가스 흡착제가 포함되어 있는 전극 리드를 구비한 전지셀 | |
WO2015002390A1 (ko) | 도전성이 개선된 양극 합제, 그를 구비하는 양극 및 전기화학소자 | |
WO2017082530A1 (ko) | 돌출 연장부와 탭 연결부를 구비한 전극 리드를 포함하고 있는 전지셀 | |
WO2015026121A1 (ko) | 수명특성이 우수한 리튬 코발트계 복합 산화물 및 이를 포함하는 이차전지용 양극 활물질 | |
WO2013157854A1 (ko) | 성능이 우수한 리튬 이차전지 | |
WO2021054595A1 (ko) | 2개 이상의 금속 호일 사이에 저항층을 포함하는 전극 집전체, 이를 포함하는 전극 및 리튬 이차전지 | |
WO2016209014A1 (ko) | 리튬 이차전지의 제조방법 및 이를 사용하여 제조되는 리튬 이차전지 | |
WO2018097500A1 (ko) | 가스켓 압축 리미터를 포함하고 있는 전지팩 | |
WO2015034263A1 (ko) | 이차전지용 파우치 외장재 및 이를 포함하는 파우치형 이차전지 | |
WO2014126359A1 (ko) | 경사 구조의 전극조립체 및 이를 포함하는 전지셀 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15752275 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016551718 Country of ref document: JP Kind code of ref document: A |
|
REEP | Request for entry into the european phase |
Ref document number: 2015752275 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15118558 Country of ref document: US Ref document number: 2015752275 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |