JP2022168616A - 廃リチウムイオン電池の処理方法 - Google Patents
廃リチウムイオン電池の処理方法 Download PDFInfo
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- carbon dioxide
- waste
- lithium
- material powder
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- 239000002699 waste material Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 43
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 31
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 78
- 239000011149 active material Substances 0.000 claims abstract description 40
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 39
- 239000000843 powder Substances 0.000 claims abstract description 31
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000002485 combustion reaction Methods 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 20
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 13
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000010298 pulverizing process Methods 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 7
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims abstract description 7
- 229910052808 lithium carbonate Inorganic materials 0.000 claims abstract description 6
- 238000011084 recovery Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000004090 dissolution Methods 0.000 abstract description 3
- 238000010000 carbonizing Methods 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 description 13
- 239000002253 acid Substances 0.000 description 9
- 239000010802 sludge Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 238000005187 foaming Methods 0.000 description 4
- 238000002386 leaching Methods 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 159000000007 calcium salts Chemical class 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- -1 lithium carbonate) Chemical compound 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/10—Obtaining alkali metals
- C22B26/12—Obtaining lithium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
-
- 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
-
- 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)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Electrochemistry (AREA)
- Secondary Cells (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
前記廃リチウムイオン電池(出発原料となる廃LiB及びLiB製造廃材)を放電、熱処理、粉砕、分級など操作により活物質粉を得る工程と、
前記活物質粉中の炭素分を燃焼して二酸化炭素に変換する燃焼工程と、
前記燃焼工程において活物質の燃焼時に発生する二酸化炭素を吸収し炭酸化する二酸化炭素回収工程と、
前記燃焼工程においてにより燃焼した活物質粉を湿式溶解し、活物質中の有価金属を溶液化する湿式処理工程と、
前記二酸化炭素回収工程により吸収した二酸化炭素を、リチウム溶液に添加し炭酸リチウムを得るリチウム炭酸化工程と
を備えることを特徴とする。
第3の効果として、活物質の熱処理時に発生する二酸化炭素を吸収し、本プロセスの後段にあるLi回収工程に使用することにより、炭素粉の燃焼により生じたCO2循環プロセスが構築され、本プロセスからのCO2排出量の大幅な低減となる。
廃リチウムイオン電池(出発原料となる廃LiB及びLiB製造廃材)を放電、熱処理、粉砕、分級など操作により活物質粉を得る工程と、
前記活物質粉中の炭素分を燃焼して二酸化炭素に変換する燃焼工程と、
前記燃焼工程において活物質の燃焼時に発生する二酸化炭素を吸収し炭酸化する二酸化炭素回収工程と、
前記燃焼工程においてにより燃焼した活物質粉を湿式溶解し、活物質中の有価金属を溶液化する湿式処理工程と、
前記二酸化炭素回収工程により吸収した二酸化炭素を、リチウム溶液に添加し炭酸リチウムを得るリチウム炭酸化工程と
が実行される。
燃焼時の雰囲気:大気、酸素富化空気、酸素
温度:500℃以上(好ましくは650~850℃)
燃焼方法:固定・流動いずれも可(問わない)
加熱方式:直接加熱、間接加熱は問わない
である。
炭素分≦10 wt%(好ましくは 1 wt%未満)であり
有価金属は、主に酸化物として得られているものと考えられる。
(1)カルシウム溶液(塩化カルシウム)に排ガスを接触させて、フッ化カルシウムとして固定化し、無害化する。接触方法はスクラバーなど)
(2)燃焼物中にカルシウム塩(塩化カルシウム、消石灰など)を添加し、燃焼時にフッ素をカルシウム塩に固定化し、排ガスへのフッ素含有を抑制する。
スラッジの組成は、
・燃焼残留の炭素+水分+湿式工程での未溶解物又は生成物など・金属水酸化物(中和等条件により異なる)
・含水率はおおむね60~70 wt%
であり、
湿式処理工程において、酸による有価金属の溶出工程後であれば、どの状態でろ過したスラッジでもよい。
Claims (1)
- 廃リチウムイオン電池の処理方法において
前記廃リチウムイオン電池を放電、熱処理、粉砕、分級など操作により活物質粉を得る工程と、
前記活物質粉中の炭素分を燃焼して二酸化炭素に変換する燃焼工程と、
前記燃焼工程において活物質の燃焼時に発生する二酸化炭素を吸収し炭酸化する二酸化炭素回収工程と、
前記燃焼工程においてにより燃焼した活物質粉を湿式溶解し、活物質中の有価金属を溶液化する湿式処理工程と、
前記二酸化炭素回収工程により吸収した二酸化炭素を、リチウム溶液に添加し炭酸リチウムを得るリチウム炭酸化工程と
を備えることを特徴とする廃リチウムイオン電池の処理方法。
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JP2021074205A JP7344578B2 (ja) | 2021-04-26 | 2021-04-26 | 廃リチウムイオン電池の処理方法 |
PCT/JP2022/018849 WO2022230861A1 (ja) | 2021-04-26 | 2022-04-26 | 廃リチウムイオン電池の処理方法 |
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JP2022168616A true JP2022168616A (ja) | 2022-11-08 |
JP7344578B2 JP7344578B2 (ja) | 2023-09-14 |
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WO (1) | WO2022230861A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06263433A (ja) * | 1993-03-13 | 1994-09-20 | Toda Kogyo Corp | 炭酸ナトリウム水溶液の製造法 |
JP2004352587A (ja) * | 2003-05-30 | 2004-12-16 | Toshiba Corp | 排ガス中の二酸化炭素回収システムおよび二酸化炭素回収方法 |
JP2012229481A (ja) * | 2011-04-27 | 2012-11-22 | Japan Metals & Chem Co Ltd | 使用済みリチウムイオン電池類の有価物の分別回収方法 |
-
2021
- 2021-04-26 JP JP2021074205A patent/JP7344578B2/ja active Active
-
2022
- 2022-04-26 WO PCT/JP2022/018849 patent/WO2022230861A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06263433A (ja) * | 1993-03-13 | 1994-09-20 | Toda Kogyo Corp | 炭酸ナトリウム水溶液の製造法 |
JP2004352587A (ja) * | 2003-05-30 | 2004-12-16 | Toshiba Corp | 排ガス中の二酸化炭素回収システムおよび二酸化炭素回収方法 |
JP2012229481A (ja) * | 2011-04-27 | 2012-11-22 | Japan Metals & Chem Co Ltd | 使用済みリチウムイオン電池類の有価物の分別回収方法 |
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WO2022230861A1 (ja) | 2022-11-03 |
JP7344578B2 (ja) | 2023-09-14 |
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