KR102406391B1 - 이차 전지 양극재 제조 방법 - Google Patents
이차 전지 양극재 제조 방법 Download PDFInfo
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- KR102406391B1 KR102406391B1 KR1020190172484A KR20190172484A KR102406391B1 KR 102406391 B1 KR102406391 B1 KR 102406391B1 KR 1020190172484 A KR1020190172484 A KR 1020190172484A KR 20190172484 A KR20190172484 A KR 20190172484A KR 102406391 B1 KR102406391 B1 KR 102406391B1
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- South Korea
- Prior art keywords
- powder
- secondary battery
- rotary kiln
- manufacturing
- cathode material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- 239000010406 cathode material Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title description 14
- 239000000843 powder Substances 0.000 claims abstract description 52
- 239000011812 mixed powder Substances 0.000 claims abstract description 32
- 229910018068 Li 2 O Inorganic materials 0.000 claims abstract description 28
- 239000002243 precursor Substances 0.000 claims abstract description 18
- 238000001354 calcination Methods 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 8
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000011247 coating layer Substances 0.000 claims description 10
- 239000008187 granular material Substances 0.000 claims description 7
- 239000012298 atmosphere Substances 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 5
- 238000010304 firing Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 35
- 239000007774 positive electrode material Substances 0.000 description 24
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 18
- 229910052759 nickel Inorganic materials 0.000 description 17
- 238000005245 sintering Methods 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical group O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 239000006182 cathode active material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 229910013716 LiNi Inorganic materials 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000008859 change Effects 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
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- SEVNKUSLDMZOTL-UHFFFAOYSA-H cobalt(2+);manganese(2+);nickel(2+);hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mn+2].[Co+2].[Ni+2] SEVNKUSLDMZOTL-UHFFFAOYSA-H 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/40—Complex oxides containing nickel and at least one other metal element
- C01G53/42—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2
- C01G53/44—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
- C01D15/02—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/40—Complex oxides containing nickel and at least one other metal element
- C01G53/42—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2
- C01G53/44—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese
- C01G53/50—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese of the type (MnO2)n-, e.g. Li(NixMn1-x)O2 or Li(MyNixMn1-x-y)O2
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/80—Compounds containing nickel, with or without oxygen or hydrogen, and containing one or more other elements
- C01G53/82—Compounds containing nickel, with or without oxygen or hydrogen, and containing two or more other elements
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
도 2는 이차 전지 양극재 제조 방법에 이용되는 로터리 킬른을 나타낸 도면들이다.
Claims (5)
- Li2CO3 분말로부터 CO2를 분리하여 Li2O 분말을 제조하는 단계;
상기 Li2O 분말을 NCM(니켈-코발트-망간) 전구체 분말과 혼합하여 혼합 분말을 성형하는 단계; 및
상기 혼합 분말을 로터리 킬른을 이용해 소성하는 단계
를 포함하며,
상기 혼합 분말을 성형하는 단계는,
상기 Li2O 분말을 분쇄하는 단계; 및
상기 Li2O 분말을 상기 NCM 전구체 분말과 혼합하는 단계; 및
상기 혼합 분말을 그래뉼(granule) 또는 브리켓(briquette) 형태로 성형하는 단계
를 포함하며,
상기 혼합 분말을 성형하는 단계는 질소 분위기의 밀폐 공간에서 수행되며,
상기 혼합 분말을 로터리 킬른을 이용해 소성하는 단계는,
내면에 내화물 코팅층이 형성되고 내부에 나선형 배플(spiral baffle)이 설치된 고온 분위기의 상기 로터리 킬른의 내부에 상기 혼합 분말을 장입하는 단계; 및
상기 로터리 킬른의 내부에서 상기 혼합 분말을 소성하는 단계
를 포함하는 이차 전지 양극재 제조 방법. - 제1항에서,
상기 Li2O 분말을 제조하는 단계는,
상기 Li2CO3 분말을 고온 분위기의 소성로 내부에 장입하는 단계; 및
상기 소성로 내부에 공기 또는 산소를 공급하여 상기 Li2CO3 분말로부터 상기 CO2를 분리하는 단계
를 포함하는 이차 전지 양극재 제조 방법. - 삭제
- 삭제
- 삭제
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020190172484A KR102406391B1 (ko) | 2019-12-20 | 2019-12-20 | 이차 전지 양극재 제조 방법 |
PCT/KR2020/018387 WO2021125759A1 (ko) | 2019-12-20 | 2020-12-15 | 이차 전지 양극재 제조 방법 |
EP20901242.6A EP4079692A4 (en) | 2019-12-20 | 2020-12-15 | METHOD FOR PREPARING SECONDARY BATTERY CATHODE MATERIAL |
CN202080088874.0A CN114845959A (zh) | 2019-12-20 | 2020-12-15 | 二次电池正极材料的制备方法 |
JP2022538301A JP7415007B2 (ja) | 2019-12-20 | 2020-12-15 | 二次電池正極材の製造方法 |
US17/787,737 US20230073531A1 (en) | 2019-12-20 | 2020-12-15 | Method for preparing secondary battery cathode material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020190172484A KR102406391B1 (ko) | 2019-12-20 | 2019-12-20 | 이차 전지 양극재 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20210080091A KR20210080091A (ko) | 2021-06-30 |
KR102406391B1 true KR102406391B1 (ko) | 2022-06-07 |
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KR1020190172484A Active KR102406391B1 (ko) | 2019-12-20 | 2019-12-20 | 이차 전지 양극재 제조 방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230073531A1 (ko) |
EP (1) | EP4079692A4 (ko) |
JP (1) | JP7415007B2 (ko) |
KR (1) | KR102406391B1 (ko) |
CN (1) | CN114845959A (ko) |
WO (1) | WO2021125759A1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101797147B1 (ko) * | 2016-09-30 | 2017-11-15 | 휴먼에너지(주) | 로터리 킬른 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2002223126A1 (en) * | 2000-11-17 | 2002-05-27 | Toshiba Battery Co., Ltd. | Enclosed nickel-zinc primary battery, its anode and production methods for them |
JP2005276502A (ja) * | 2004-03-23 | 2005-10-06 | Mitsubishi Chemicals Corp | リチウム二次電池正極活物質用リチウム遷移金属複合酸化物粉体及びその製造方法、その前駆体及びその製造方法、それを用いたリチウム二次電池正極、並びにリチウム二次電池 |
JP4696557B2 (ja) * | 2005-01-06 | 2011-06-08 | 日本電気株式会社 | リチウム二次電池用活物質材料、その製造方法及びこれに用いる原材料並びにリチウム二次電池 |
JP5401211B2 (ja) * | 2009-08-21 | 2014-01-29 | 日清エンジニアリング株式会社 | 二次電池用正極材料の製造方法 |
JP2012121780A (ja) * | 2010-12-10 | 2012-06-28 | Sumitomo Metal Mining Co Ltd | 酸化リチウムの製造方法 |
JP2016121860A (ja) * | 2014-12-25 | 2016-07-07 | 株式会社島川製作所 | ロータリーキルン |
JP6479632B2 (ja) * | 2015-11-30 | 2019-03-06 | ユミコア | ニッケルリチウム金属複合酸化物の製造方法 |
KR101992760B1 (ko) * | 2016-03-31 | 2019-06-26 | 주식회사 엘지화학 | 리튬 이차전지용 양극활물질 및 이를 포함하는 양극 |
CA3045961A1 (en) * | 2016-12-21 | 2018-06-28 | Albemarle Germany Gmbh | Method for producing lithium oxide |
JP7194891B2 (ja) * | 2018-03-28 | 2022-12-23 | 住友金属鉱山株式会社 | 非水系電解質二次電池用正極活物質の製造方法、成形体、及び、非水系電解質二次電池の製造方法 |
KR102288291B1 (ko) * | 2018-04-12 | 2021-08-10 | 주식회사 엘지화학 | 양극 활물질의 제조방법 |
KR20190131842A (ko) * | 2018-05-17 | 2019-11-27 | 주식회사 엘지화학 | 이차전지용 양극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지 |
-
2019
- 2019-12-20 KR KR1020190172484A patent/KR102406391B1/ko active Active
-
2020
- 2020-12-15 JP JP2022538301A patent/JP7415007B2/ja active Active
- 2020-12-15 EP EP20901242.6A patent/EP4079692A4/en active Pending
- 2020-12-15 WO PCT/KR2020/018387 patent/WO2021125759A1/ko unknown
- 2020-12-15 US US17/787,737 patent/US20230073531A1/en active Pending
- 2020-12-15 CN CN202080088874.0A patent/CN114845959A/zh active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101797147B1 (ko) * | 2016-09-30 | 2017-11-15 | 휴먼에너지(주) | 로터리 킬른 |
Also Published As
Publication number | Publication date |
---|---|
CN114845959A (zh) | 2022-08-02 |
KR20210080091A (ko) | 2021-06-30 |
EP4079692A4 (en) | 2024-01-31 |
JP2023508018A (ja) | 2023-02-28 |
WO2021125759A1 (ko) | 2021-06-24 |
US20230073531A1 (en) | 2023-03-09 |
EP4079692A1 (en) | 2022-10-26 |
JP7415007B2 (ja) | 2024-01-16 |
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