KR20160119596A - 리튬이온 배터리 전극 구조 및 이의 제조방법 - Google Patents
리튬이온 배터리 전극 구조 및 이의 제조방법 Download PDFInfo
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- KR20160119596A KR20160119596A KR1020150048486A KR20150048486A KR20160119596A KR 20160119596 A KR20160119596 A KR 20160119596A KR 1020150048486 A KR1020150048486 A KR 1020150048486A KR 20150048486 A KR20150048486 A KR 20150048486A KR 20160119596 A KR20160119596 A KR 20160119596A
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 26
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims description 7
- 239000003792 electrolyte Substances 0.000 claims abstract description 43
- 239000006182 cathode active material Substances 0.000 claims abstract description 24
- 239000007774 positive electrode material Substances 0.000 claims abstract description 23
- 239000007773 negative electrode material Substances 0.000 claims abstract description 22
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 15
- 239000006183 anode active material Substances 0.000 claims abstract description 14
- 239000011149 active material Substances 0.000 claims description 32
- 239000007784 solid electrolyte Substances 0.000 claims description 16
- 239000004020 conductor Substances 0.000 claims description 15
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 14
- 239000011593 sulfur Substances 0.000 claims description 14
- 229910052717 sulfur Inorganic materials 0.000 claims description 14
- 239000011230 binding agent Substances 0.000 claims description 13
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 8
- 229910002102 lithium manganese oxide Inorganic materials 0.000 claims description 8
- VLXXBCXTUVRROQ-UHFFFAOYSA-N lithium;oxido-oxo-(oxomanganiooxy)manganese Chemical compound [Li+].[O-][Mn](=O)O[Mn]=O VLXXBCXTUVRROQ-UHFFFAOYSA-N 0.000 claims description 8
- 239000002134 carbon nanofiber Substances 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 6
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 claims description 4
- ACKHWUITNXEGEP-UHFFFAOYSA-N aluminum cobalt(2+) nickel(2+) oxygen(2-) Chemical compound [O-2].[Al+3].[Co+2].[Ni+2] ACKHWUITNXEGEP-UHFFFAOYSA-N 0.000 claims description 4
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 description 25
- 238000004519 manufacturing process Methods 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 7
- 239000002002 slurry Substances 0.000 description 6
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 3
- 241000282320 Panthera leo Species 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- GJEAMHAFPYZYDE-UHFFFAOYSA-N [C].[S] Chemical compound [C].[S] GJEAMHAFPYZYDE-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000003273 ketjen black Substances 0.000 description 2
- 239000011244 liquid electrolyte Substances 0.000 description 2
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 2
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 2
- SKTCDJAMAYNROS-UHFFFAOYSA-N methoxycyclopentane Chemical compound COC1CCCC1 SKTCDJAMAYNROS-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000010405 anode material Substances 0.000 description 1
- 239000006256 anode slurry Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000011267 electrode slurry Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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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
-
- 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
- H01M10/0585—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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
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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
- Y02E60/10—Energy storage using 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- General Chemical & Material Sciences (AREA)
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- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
조성 | 황 | 탄소#1 | 고체전해질 | 바인더 | 첨가제 | 용매#1 |
고형분 기준 | 30wt% | 10wt% | 50wt% | 5wt% | 5wt% | - |
슬러리 기준 | 9wt% | 3wt% | 15wt% | 1.5wt% | 1.5wt% | 70wt% |
조성 | 황 | 탄소#2 | 고체전해질 | 바인더 | 첨가제 | 용매#2 |
고형분 기준 | 30wt% | 7wt% | 58wt% | 2wt% | 3wt% | - |
슬러리 기준 | 10.5wt% | 2.45wt% | 20.3wt% | 0.7wt% | 1.05wt% | 65wt% |
2: 음극 활물질층
3: 전해질층
4: 양극 집전체
5: 음극 집전체
6: 투명전극층
Claims (13)
- 양극 집전체;
양극 활물질층;
전해질층;
리튬을 포함하는 음극 활물질층; 및
음극 집전체가 순차적으로 적층된 구조를 포함하고,
상기 양극 집전체와 상기 양극 활물질층 사이, 상기 양극 활물질층과 상기 전해질층 사이, 상기 음극 집전체와 상기 음극 활물질층 사이, 및 상기 음극 활물질층과 상기 전해질층 사이 로 이루어지는 군으로부터 선택되는 하나 이상에 투명전극층이 포함된 리튬이온 배터리 전극 구조. - 제1항에 있어서, 상기 투명전극층은 SiO2, ZnO, ZnO:B, ZnO:Al, ZnO:H, SnO2, SnO2:F, ITO, 및 FTO 로 이루어지는 군으로부터 선택되는 투명도전물질을 포함하는 리튬이온 배터리 전극 구조.
- 제1항에 있어서, 상기 투명전극층의 두께는 100nm 내지 1000nm 인 리튬이온 배터리 전극 구조.
- 제1항에 있어서, 상기 양극 활물질층은 황, NCM(nickel cobalt manganese), LMO(lithium manganese oxide), LFP(lithium iron phosphate oxide), NCA(nickel cobalt aluminium oxide), 및 LCO(lithium cobalt oxide)계 활물질로 이루어지는 군으로부터 선택되는 것을 포함하는 리튬이온 배터리 전극 구조.
- 제1항에 있어서, 상기 양극 활물질층은 도전재, 및 바인더를 더 포함하는 리튬이온 배터리 전극 구조.
- 제5항에 있어서, 상기 도전재는 카본 블랙, 기상 성장 탄소 섬유(VGCF), 및 금속 분말 로 이루어지는 군으로부터 선택되는 리튬이온 배터리 전극 구조.
- 제1항에 있어서, 상기 전해질층은 고체 전해질층인 리튬이온 배터리 전극 구조.
- 제1항에 있어서, 상기 양극 집전체와 상기 양극 활물질층 사이, 및 상기 음극 집전체와 상기 음극 활물질층 사이에 투명전극층이 포함된 리튬이온 배터리 전극 구조.
- 제1항에 있어서, 상기 양극 활물질층과 상기 전해질층 사이, 및 상기 음극 활물질층과 상기 전해질층 사이에 투명전극층이 포함된 리튬이온 배터리 전극 구조.
- 양극 집전체, 양극 활물질층, 전해질층, 리튬을 포함하는 음극 활물질층, 및 음극 집전체를 순차적으로 적층하는 단계를 포함하고,
상기 적층 단계에서,
상기 양극 집전체와 상기 양극 활물질층 사이, 상기 양극 활물질층과 상기 전해질층 사이, 상기 음극 집전체와 상기 음극 활물질층 사이, 및 상기 음극 활물질층과 상기 전해질층 사이 로 이루어지는 군으로부터 선택되는 하나 이상에 투명전극층을 형성하는 리튬이온 배터리 전극 구조의 제조방법. - 제10항에 있어서, 상기 투명전극층은 SiO2, ZnO, ZnO:B, ZnO:Al, ZnO:H, SnO2, SnO2:F, ITO, 및 FTO 로 이루어지는 군으로부터 선택되는 리튬이온 배터리 전극 구조의 제조방법.
- 제10항에 있어서, 상기 투명전극층의 두께는 100nm 내지 1000nm인 리튬이온 배터리 전극 구조의 제조방법.
- 제10항에 있어서, 상기 양극 활물질층은 황, NCM(nickel cobalt manganese), LMO(lithium manganese oxide), LFP(lithium iron phosphate oxide), NCA(nickel cobalt aluminium oxide), 및 LCO(lithium cobalt oxide)계 활물질로 이루어지는 군으로부터 선택되는 것을 포함하는 리튬이온 배터리 전극 구조의 제조방법.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018095202A1 (zh) * | 2016-11-25 | 2018-05-31 | 上海空间电源研究所 | 一种复合锂电池及其制备方法 |
KR20210066489A (ko) * | 2019-11-28 | 2021-06-07 | 한국과학기술연구원 | 투명 음극 활물질층을 포함하는 투명 음극 박막, 리튬 박막 이차전지, 및 그 제조방법 |
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KR100467454B1 (ko) | 2002-07-10 | 2005-01-24 | 삼성에스디아이 주식회사 | 리튬 황 전지용 양극 활물질 조성물 및 이를 사용하여 제조된 리튬 황 전지 |
KR20130130820A (ko) | 2011-03-18 | 2013-12-02 | 도요타지도샤가부시키가이샤 | 슬러리, 고체 전해질층의 제조 방법, 전극 활물질층의 제조 방법 및 전고체 전지의 제조 방법 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2018095202A1 (zh) * | 2016-11-25 | 2018-05-31 | 上海空间电源研究所 | 一种复合锂电池及其制备方法 |
KR20210066489A (ko) * | 2019-11-28 | 2021-06-07 | 한국과학기술연구원 | 투명 음극 활물질층을 포함하는 투명 음극 박막, 리튬 박막 이차전지, 및 그 제조방법 |
US11705549B2 (en) | 2019-11-28 | 2023-07-18 | Korea Institute Of Science And Technology | Transparent anode thin film comprising a transparent anode active material, lithium thin film secondary battery, and the method for manufacturing the same |
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