KR101990618B1 - 리튬 금속용 전기 도금용액 및 이를 이용한 리튬 금속전극의 제조방법 - Google Patents
리튬 금속용 전기 도금용액 및 이를 이용한 리튬 금속전극의 제조방법 Download PDFInfo
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 143
- 238000007747 plating Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims description 23
- 239000003792 electrolyte Substances 0.000 title description 4
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000009713 electroplating Methods 0.000 claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 43
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 42
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 28
- 229910013553 LiNO Inorganic materials 0.000 claims description 26
- 239000000654 additive Substances 0.000 claims description 24
- 229910003002 lithium salt Inorganic materials 0.000 claims description 24
- 159000000002 lithium salts Chemical class 0.000 claims description 24
- 230000000996 additive effect Effects 0.000 claims description 18
- 229910010941 LiFSI Inorganic materials 0.000 claims description 16
- NLSCHDZTHVNDCP-UHFFFAOYSA-N caesium nitrate Chemical compound [Cs+].[O-][N+]([O-])=O NLSCHDZTHVNDCP-UHFFFAOYSA-N 0.000 claims description 16
- VDVLPSWVDYJFRW-UHFFFAOYSA-N lithium;bis(fluorosulfonyl)azanide Chemical compound [Li+].FS(=O)(=O)[N-]S(F)(=O)=O VDVLPSWVDYJFRW-UHFFFAOYSA-N 0.000 claims description 16
- 229910013870 LiPF 6 Inorganic materials 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 11
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 8
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 8
- 229910000314 transition metal oxide Inorganic materials 0.000 claims description 7
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 claims description 6
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 6
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 claims description 4
- 229910010238 LiAlCl 4 Inorganic materials 0.000 claims description 4
- 229910015015 LiAsF 6 Inorganic materials 0.000 claims description 4
- 229910013063 LiBF 4 Inorganic materials 0.000 claims description 4
- 229910013684 LiClO 4 Inorganic materials 0.000 claims description 4
- 229910012513 LiSbF 6 Inorganic materials 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 4
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 claims description 3
- 229910015044 LiB Inorganic materials 0.000 claims description 3
- AZFNGPAYDKGCRB-XCPIVNJJSA-M [(1s,2s)-2-amino-1,2-diphenylethyl]-(4-methylphenyl)sulfonylazanide;chlororuthenium(1+);1-methyl-4-propan-2-ylbenzene Chemical compound [Ru+]Cl.CC(C)C1=CC=C(C)C=C1.C1=CC(C)=CC=C1S(=O)(=O)[N-][C@@H](C=1C=CC=CC=1)[C@@H](N)C1=CC=CC=C1 AZFNGPAYDKGCRB-XCPIVNJJSA-M 0.000 claims description 3
- BEKPOUATRPPTLV-UHFFFAOYSA-N [Li].BCl Chemical compound [Li].BCl BEKPOUATRPPTLV-UHFFFAOYSA-N 0.000 claims description 3
- 229910052788 barium Inorganic materials 0.000 claims description 3
- 229910052792 caesium Inorganic materials 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Inorganic materials [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 claims description 3
- IDNHOWMYUQKKTI-UHFFFAOYSA-M lithium nitrite Chemical compound [Li+].[O-]N=O IDNHOWMYUQKKTI-UHFFFAOYSA-M 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 3
- 235000010289 potassium nitrite Nutrition 0.000 claims description 3
- 239000004304 potassium nitrite Substances 0.000 claims description 3
- 229910052701 rubidium Inorganic materials 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 229910052712 strontium Inorganic materials 0.000 claims description 3
- IROFTSFLLUTZCJ-UHFFFAOYSA-N [Cs].N(=O)O Chemical compound [Cs].N(=O)O IROFTSFLLUTZCJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000007598 dipping method Methods 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910021450 lithium metal oxide Inorganic materials 0.000 abstract description 2
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 47
- 230000000052 comparative effect Effects 0.000 description 15
- 210000001787 dendrite Anatomy 0.000 description 13
- 239000000203 mixture Substances 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- -1 SUS Substances 0.000 description 4
- 210000004027 cell Anatomy 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- 229910013716 LiNi Inorganic materials 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 229910001417 caesium ion Inorganic materials 0.000 description 2
- 239000003660 carbonate based solvent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 125000001033 ether group Chemical group 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 229910016856 F9SO 3 Inorganic materials 0.000 description 1
- 229910008163 Li1+x Mn2-x O4 Inorganic materials 0.000 description 1
- 229910013372 LiC 4 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910012752 LiNi0.5Mn0.5O2 Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NPURUNMZMBGJDJ-UHFFFAOYSA-N [Li+].[N+](=O)([O-])[O-].[Li+].[N+](=O)([O-])[O-] Chemical compound [Li+].[N+](=O)([O-])[O-].[Li+].[N+](=O)([O-])[O-] NPURUNMZMBGJDJ-UHFFFAOYSA-N 0.000 description 1
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- AJAFRMGZWFDZAS-UHFFFAOYSA-M cesium;nitrite Chemical compound [Cs+].[O-]N=O AJAFRMGZWFDZAS-UHFFFAOYSA-M 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 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 1
- URIIGZKXFBNRAU-UHFFFAOYSA-N lithium;oxonickel Chemical compound [Li].[Ni]=O URIIGZKXFBNRAU-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/42—Electroplating: Baths therefor from solutions of light metals
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0438—Processes of manufacture in general by electrochemical processing
- H01M4/045—Electrochemical coating; Electrochemical impregnation
- H01M4/0452—Electrochemical coating; Electrochemical impregnation from solutions
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/02—Electrolytic production, recovery or refining of metals by electrolysis of solutions of light metals
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
-
- 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
- H01M4/04—Processes of manufacture in general
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- 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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
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- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1395—Processes of manufacture of electrodes based on metals, Si or alloys
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- H01—ELECTRIC ELEMENTS
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- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
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- 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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
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- H—ELECTRICITY
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- 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
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- 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
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- Manufacturing & Machinery (AREA)
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Abstract
Description
도 2는 본 발명의 일 구현예에 따른 리튬 소스를 나타낸 모식도이다.
도 3은 실시예 1 내지 4 및 비교예 1 내지 4에서 각각 제조된 리튬 금속전극 표면의 SEM(Scanning Electron Microscope) 사진이다.
도금용액 | |||||
용매 | 리튬염 | 리튬 질산화물 | 첨가제 | 농도비주1)([Li+]/[M+]) | |
실시예 1 | DME | LiFSI(3M) | LiNO3(2 중량%) | CsNO3(0.15M) | 20 |
실시예 2 | DME | LiFSI(1M) | LiNO3(2 중량%) | CsNO3(0.15M) | 20 |
실시예 3 | DME | LiFSI(3M) | LiNO3(2 중량%) | CsNO3(0.05M) | 60 |
실시예 4 | DME | LiFSI(3M) | LiNO3(2 중량%) | CsNO3(0.3M) | 10 |
비교예 1 | EC:DEC:DMC | LiPF6(1M) | - | VC (2 중량%) | - |
비교예 2 | DME | LiFSI(1M) | LiNO3(2 중량%) | - | - |
비교예 3 | DME | LiFSI(3M) | LiNO3(2 중량%) | - | - |
비교예 4 | DME | LiFSI(3M) | - | CsNO3(0.15M) | - |
10: 집전체
20: 리튬 소스
30: 에테르계 도금용액
40: 리튬 금속
Claims (15)
- 리튬 금속용 전기 도금용액으로서,
상기 도금용액은 에테르계 용매; 리튬염; 리튬 질산화물; 및 하기 화학식 1로 표시되는 첨가제;를 포함하는 리튬 금속용 전기 도금용액:
<화학식 1>
MNOX
상기 화학식 1에서 M은 Cs, Rb, K, Ba, Sr, Ca, Na 또는 Mg 이고, x는 2 또는 3이다. - 제1항에 있어서,
상기 도금용액은 리튬 금속의 소스로서 리튬염, 리튬잉곳 및 전이금속 산화물로 이루어진 군에서 선택되는 1종 이상을 사용하는 리튬 금속용 전기 도금용액. - 제1항에 있어서,
상기 리튬염은 1 M 내지 7 M 의 농도로 포함되는 리튬 금속용 전기 도금용액. - 제1항에 있어서,
상기 리튬 질산화물은 1 내지 5 중량%로 포함되는 리튬 금속용 전기 도금용액. - 제1항에 있어서,
상기 리튬 질산화물의 Li+ 및 상기 화학식 1로 표시되는 첨가제의 M+ 의 농도비 ([Li+]/[M+])는 10 이상인 리튬 금속용 전기 도금용액. - 제1항에 있어서,
상기 에테르계 용매는 테트라 하이드로퓨란, 2-메틸테트라하이드로퓨란, 디메틸 에테르 및 디부틸 에테르로 이루어진 군에서 선택되는 1종 이상인 리튬 금속용 전기 도금용액. - 제1항에 있어서,
상기 리튬염은 LiFSI, LiPF6, LiCl, LiBr, LiI, LiClO4, LiBF4, LiB10Cl10, LiPF6, LiCF3SO3, LiCF3CO2, LiAsF6, LiSbF6, LiPF6, LiAlCl4, CH3SO3Li, CF3SO3Li, (CF3SO2)2NLi, 클로로 보란 리튬 및 4-페닐 붕산 리튬으로 이루어진 군에서 선택되는 1종 이상인 리튬 금속용 전기 도금용액. - 제1항에 있어서,
상기 리튬 질산화물은 질산리튬(LiNO3) 및 아질산리튬(LiNO2)으로 이루어진 군에서 선택되는 1종 이상인 리튬 금속용 전기 도금용액. - 제1항에 있어서,
상기 첨가제는 질산칼륨(KNO3), 질산세슘(CsNO3), 질산마그네슘(MgNO3), 질산바륨(BaNO3), 아질산칼륨(KNO2) 및 아질산세슘(CsNO2)으로 이루어진 군에서 선택되는 1종 이상인 리튬 금속용 전기 도금용액. - 제1항에 있어서,
상기 리튬 질산화물 및 첨가제는 각각 질산리튬(LiNO3) 및 질산세슘(CsNO3)인 리튬 금속용 전기 도금용액. - 전기 도금을 이용한 리튬 금속전극의 제조방법으로서,
제1항 내지 제10항 중 어느 한 항의 도금용액을 이용하여 집전체 상에 리튬 금속을 전기 도금하는, 리튬 금속전극의 제조방법. - 제11항에 있어서,
(a) 리튬 금속의 소스와 리튬 금속이 전기 도금될 집전체를 상기 도금용액에 침지하는 단계; 및
(b) 상기 집전체 상에 리튬 금속을 전기 도금하는 단계;
를 포함하는 리튬 금속전극의 제조방법. - 제11항에 있어서,
상기 리튬 금속의 소스는 리튬염, 리튬잉곳 및 전이금속 산화물로 이루어진 군에서 선택되는 1종 이상인 리튬 금속전극의 제조방법. - 제11항에 있어서,
상기 집전체는 Cu, Al, Ni, Fe, SUS(steel use stainless) 및 Ti로 이루어진 군에서 선택되는 1종 이상인 리튬 금속전극의 제조방법. - 제11항에 있어서,
상기 집전체는 3차원 구조체 형태인 리튬 금속전극의 제조방법.
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US16/337,804 US10858749B2 (en) | 2017-04-14 | 2018-04-04 | Electroplating solution for lithium metal, and method for manufacturing lithium metal electrode by using same |
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