JP7802117B2 - リチウム前駆体の再生方法及びリチウム前駆体の再生システム - Google Patents
リチウム前駆体の再生方法及びリチウム前駆体の再生システムInfo
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- JP7802117B2 JP7802117B2 JP2024111045A JP2024111045A JP7802117B2 JP 7802117 B2 JP7802117 B2 JP 7802117B2 JP 2024111045 A JP2024111045 A JP 2024111045A JP 2024111045 A JP2024111045 A JP 2024111045A JP 7802117 B2 JP7802117 B2 JP 7802117B2
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
- C01D15/08—Carbonates; Bicarbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/70—Chemical treatment, e.g. pH adjustment or oxidation
-
- 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
-
- 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
- H01M10/54—Reclaiming serviceable parts of waste accumulators
-
- 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
- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- Secondary Cells (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
Claims (15)
- リチウム二次電池から収集された電極活物質混合物を準備するステップと、
前記電極活物質混合物を乾式回転加熱反応器内で還元性反応ガスとしての水素ガスとの接触によって還元させ、予備前駆体混合物を形成するステップと、
前記予備前駆体混合物から強酸の使用が排除された水和反応によって選択的にリチウム前駆体としてリチウム水酸化物を回収するステップと、を含む、リチウム前駆体の再生方法。 - 前記予備前駆体混合物を形成するステップは、前記電極活物質混合物を前記乾式回転加熱反応器の長さ方向に移動させながら、前記長さ方向の軸に前記乾式回転加熱反応器を回転させることを含む、請求項1に記載のリチウム前駆体の再生方法。
- 前記予備前駆体混合物を形成するステップは、前記長さ方向の軸に前記乾式回転加熱反応器を5~200rpmで回転させることを含む、請求項2に記載のリチウム前駆体の再生方法。
- 前記予備前駆体混合物を形成するステップは、その反応温度が350~450℃である、請求項1に記載のリチウム前駆体の再生方法。
- 前記予備前駆体混合物を形成するステップは、前記電極活物質混合物を還元性反応ガスと接触させることを含む、請求項1に記載のリチウム前駆体の再生方法。
- 前記還元性反応ガスは、前記乾式回転加熱反応器の長さ方向への後端部から供給され、前記乾式回転加熱反応器の前記長さ方向への前端部に供給される電極活物質混合物に対してカウンターフローを形成する、請求項5に記載のリチウム前駆体の再生方法。
- 前記還元性反応ガスは、前記乾式回転加熱反応器の長さ方向への前端部に前記電極活物質混合物と共に導入される、請求項5に記載のリチウム前駆体の再生方法。
- 前記予備前駆体混合物は、予備リチウム前駆体粒子および遷移金属含有粒子を含む、請求項1に記載のリチウム前駆体の再生方法。
- 前記予備リチウム前駆体粒子は、リチウム酸化物およびリチウム炭酸化物を含む、請求項8に記載のリチウム前駆体の再生方法。
- 前記予備リチウム前駆体粒子を水和させるステップは、前記リチウム前駆体を前記遷移金属含有粒子よりも先に収集することを含む、請求項8に記載のリチウム前駆体の再生方法。
- 前記遷移金属含有粒子を酸溶液処理して遷移金属前駆体を回収するステップをさらに含む、請求項8に記載のリチウム前駆体の再生方法。
- 前記乾式回転加熱反応器は、間接加熱回転炉である、請求項1に記載のリチウム前駆体の再生方法。
- 電極活物質混合物供給部と、
前記電極活物質混合物供給部から供給された電極活物質混合物を還元性反応ガスとしての水素ガスとの接触によって反応させる乾式回転加熱反応器と、
前記乾式回転加熱反応器内で生成された前記電極活物質混合物の反応物から、強酸の使用が排除された水和反応によりリチウム前駆体としてリチウム水酸化物を収集するリチウム前駆体回収部と、を含む、リチウム前駆体の再生システム。 - 前記乾式回転加熱反応器の長さ方向への前端部または後端部のうちの少なくとも一つに接続されて前記還元性反応ガスを供給する供給流路をさらに含む、請求項13に記載のリチウム前駆体の再生システム。
- 前記電極活物質混合物の反応物から遷移金属前駆体を収集する遷移金属前駆体回収部をさらに含む、請求項13に記載のリチウム前駆体の再生システム。
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2018-0136087 | 2018-11-07 | ||
| KR1020180136087A KR102566856B1 (ko) | 2018-11-07 | 2018-11-07 | 리튬 전구체 재생 방법 및 리튬 전구체 재생 시스템 |
| JP2021524140A JP2022506626A (ja) | 2018-11-07 | 2019-09-16 | リチウム前駆体の再生方法及びリチウム前駆体の再生システム |
| PCT/KR2019/011933 WO2020096195A1 (ko) | 2018-11-07 | 2019-09-16 | 리튬 전구체 재생 방법 및 리튬 전구체 재생 시스템 |
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| JP2021524140A Division JP2022506626A (ja) | 2018-11-07 | 2019-09-16 | リチウム前駆体の再生方法及びリチウム前駆体の再生システム |
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| JP2024133679A JP2024133679A (ja) | 2024-10-02 |
| JP7802117B2 true JP7802117B2 (ja) | 2026-01-19 |
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| JP2021524140A Pending JP2022506626A (ja) | 2018-11-07 | 2019-09-16 | リチウム前駆体の再生方法及びリチウム前駆体の再生システム |
| JP2024111045A Active JP7802117B2 (ja) | 2018-11-07 | 2024-07-10 | リチウム前駆体の再生方法及びリチウム前駆体の再生システム |
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Country Status (6)
| Country | Link |
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| US (2) | US12537239B2 (ja) |
| EP (1) | EP3862322A4 (ja) |
| JP (2) | JP2022506626A (ja) |
| KR (1) | KR102566856B1 (ja) |
| CN (1) | CN112969664A (ja) |
| WO (1) | WO2020096195A1 (ja) |
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| KR102831573B1 (ko) * | 2020-08-18 | 2025-07-07 | 에스케이이노베이션 주식회사 | 리튬 이차 전지의 활성 금속 회수 방법 |
| KR102887897B1 (ko) * | 2020-08-24 | 2025-11-17 | 주식회사 엘지에너지솔루션 | 활물질 회수 장치 및 이를 이용한 활물질 재사용 방법 |
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| KR101792753B1 (ko) | 2017-03-10 | 2017-11-01 | 문준호 | 리튬 함유 폐기물로부터 리튬 화합물을 회수하는 방법 |
| KR101973483B1 (ko) * | 2017-11-14 | 2019-04-29 | 강원대학교산학협력단 | 폐리튬이차전지를 이용한 고순도 탄산리튬 및 황산바륨의 제조방법 |
| CN108034806A (zh) * | 2017-12-07 | 2018-05-15 | 湖北天银报废汽车回收拆解有限公司 | 高效的废旧锂离子电池中有价金属回收的方法 |
| JP6948066B2 (ja) * | 2018-01-31 | 2021-10-13 | 国立大学法人山口大学 | チタン酸リチウムを含む廃リチウムイオン電池から回収した再生負極活物質およびその回収方法 |
| CN108539309B (zh) * | 2018-04-02 | 2020-05-26 | 方嘉城 | 一种废旧镍钴锰酸锂正极材料的回收方法 |
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| JP2011094227A (ja) | 2009-09-30 | 2011-05-12 | Dowa Eco-System Co Ltd | リチウムの回収方法 |
| JP2013036717A (ja) | 2011-08-10 | 2013-02-21 | Takasago Ind Co Ltd | 原料粉末回収システム |
| KR101682217B1 (ko) | 2016-09-02 | 2016-12-05 | 주식회사 재영텍 | 폐 리튬이온 2차전지의 양극재로부터 리튬을 회수하여 고순도 탄산리튬을 제조하는 방법 |
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| JP2022506626A (ja) | 2022-01-17 |
| US12537239B2 (en) | 2026-01-27 |
| EP3862322A1 (en) | 2021-08-11 |
| US20210273274A1 (en) | 2021-09-02 |
| EP3862322A4 (en) | 2022-07-06 |
| WO2020096195A1 (ko) | 2020-05-14 |
| JP2024133679A (ja) | 2024-10-02 |
| US20250343290A1 (en) | 2025-11-06 |
| KR102566856B1 (ko) | 2023-08-11 |
| CN112969664A (zh) | 2021-06-15 |
| KR20200052735A (ko) | 2020-05-15 |
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