JP2022536318A - 正極活物質前駆体、その製造方法及び製造装置 - Google Patents
正極活物質前駆体、その製造方法及び製造装置 Download PDFInfo
- Publication number
- JP2022536318A JP2022536318A JP2021572646A JP2021572646A JP2022536318A JP 2022536318 A JP2022536318 A JP 2022536318A JP 2021572646 A JP2021572646 A JP 2021572646A JP 2021572646 A JP2021572646 A JP 2021572646A JP 2022536318 A JP2022536318 A JP 2022536318A
- Authority
- JP
- Japan
- Prior art keywords
- active material
- material precursor
- reaction solution
- positive electrode
- electrode active
- 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.)
- Granted
Links
- 239000002243 precursor Substances 0.000 title claims abstract description 176
- 239000006182 cathode active material Substances 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 46
- 238000006243 chemical reaction Methods 0.000 claims abstract description 152
- 239000007774 positive electrode material Substances 0.000 claims abstract description 106
- 239000002245 particle Substances 0.000 claims abstract description 83
- 239000007787 solid Substances 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 31
- 238000000975 co-precipitation Methods 0.000 claims abstract description 24
- 239000000706 filtrate Substances 0.000 claims abstract description 22
- 238000000605 extraction Methods 0.000 claims abstract description 21
- 239000000126 substance Substances 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 239000000243 solution Substances 0.000 claims description 147
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 239000002994 raw material Substances 0.000 claims description 28
- 229910052723 transition metal Inorganic materials 0.000 claims description 23
- 150000003624 transition metals Chemical class 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 9
- 229910052748 manganese Inorganic materials 0.000 claims description 9
- 239000011164 primary particle Substances 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 4
- 229910052684 Cerium Inorganic materials 0.000 claims description 3
- 229910052788 barium Inorganic materials 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 229910052712 strontium Inorganic materials 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 239000011149 active material Substances 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 27
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 24
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 22
- 229910052744 lithium Inorganic materials 0.000 description 21
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 20
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 16
- 239000011572 manganese Substances 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000000203 mixture Substances 0.000 description 10
- 229910052759 nickel Inorganic materials 0.000 description 10
- 238000001878 scanning electron micrograph Methods 0.000 description 10
- 239000002184 metal Substances 0.000 description 9
- 229910017052 cobalt Inorganic materials 0.000 description 8
- 239000010941 cobalt Substances 0.000 description 8
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 8
- 238000009826 distribution Methods 0.000 description 8
- 238000003756 stirring Methods 0.000 description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- -1 fatty acid nickel salt Chemical class 0.000 description 6
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 5
- 241000080590 Niso Species 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000004679 hydroxides Chemical class 0.000 description 3
- YGGXZTQSGNFKPJ-UHFFFAOYSA-N methyl 2-naphthalen-1-ylacetate Chemical compound C1=CC=C2C(CC(=O)OC)=CC=CC2=C1 YGGXZTQSGNFKPJ-UHFFFAOYSA-N 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 229910017246 Ni0.8Co0.1Mn0.1 Inorganic materials 0.000 description 2
- 150000001242 acetic acid derivatives Chemical class 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 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 2
- 150000002823 nitrates Chemical class 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 150000004763 sulfides Chemical class 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 229910000314 transition metal oxide Inorganic materials 0.000 description 2
- 238000003828 vacuum filtration Methods 0.000 description 2
- OAVRWNUUOUXDFH-UHFFFAOYSA-H 2-hydroxypropane-1,2,3-tricarboxylate;manganese(2+) Chemical compound [Mn+2].[Mn+2].[Mn+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O OAVRWNUUOUXDFH-UHFFFAOYSA-H 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910018916 CoOOH Inorganic materials 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910013553 LiNO Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 229910021380 Manganese Chloride Inorganic materials 0.000 description 1
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 description 1
- 229910018661 Ni(OH) Inorganic materials 0.000 description 1
- 229910017223 Ni0.8Co0.1Mn0.1(OH)2 Inorganic materials 0.000 description 1
- 229910002640 NiOOH Inorganic materials 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- QGUAJWGNOXCYJF-UHFFFAOYSA-N cobalt dinitrate hexahydrate Chemical compound O.O.O.O.O.O.[Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O QGUAJWGNOXCYJF-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000011267 electrode slurry Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 150000002696 manganese Chemical class 0.000 description 1
- 229940071125 manganese acetate Drugs 0.000 description 1
- 239000011656 manganese carbonate Substances 0.000 description 1
- 235000006748 manganese carbonate Nutrition 0.000 description 1
- 239000011565 manganese chloride Substances 0.000 description 1
- 235000002867 manganese chloride Nutrition 0.000 description 1
- 229940099607 manganese chloride Drugs 0.000 description 1
- 239000011564 manganese citrate Substances 0.000 description 1
- 235000014872 manganese citrate Nutrition 0.000 description 1
- 229940097206 manganese citrate Drugs 0.000 description 1
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 description 1
- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 description 1
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 description 1
- GEYXPJBPASPPLI-UHFFFAOYSA-N manganese(III) oxide Inorganic materials O=[Mn]O[Mn]=O GEYXPJBPASPPLI-UHFFFAOYSA-N 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/006—Baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/006—Compounds containing, besides nickel, two or more other elements, with the exception of oxygen or hydrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1893—Membrane reactors
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/45—Phosphates containing plural metal, or metal and ammonium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B35/00—Boron; Compounds thereof
- C01B35/08—Compounds containing boron and nitrogen, phosphorus, oxygen, sulfur, selenium or tellurium
- C01B35/10—Compounds containing boron and oxygen
- C01B35/12—Borates
- C01B35/128—Borates containing plural metal or metal and ammonium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/04—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—Nickelates
- C01G53/42—Nickelates containing alkali metals, e.g. LiNiO2
- C01G53/44—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese
- C01G53/50—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese of the type [MnO2]n-, e.g. Li(NixMn1-x)O2, Li(MyNixMn1-x-y)O2
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00592—Controlling the pH
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00654—Controlling the process by measures relating to the particulate material
- B01J2208/00663—Concentration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00002—Chemical plants
- B01J2219/00027—Process aspects
- B01J2219/0004—Processes in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00177—Controlling or regulating processes controlling the pH
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/00277—Apparatus
- B01J2219/00351—Means for dispensing and evacuation of reagents
- B01J2219/00423—Means for dispensing and evacuation of reagents using filtration, e.g. through porous frits
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
- C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
- C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
-
- 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
- C01P2006/10—Solid density
-
- 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
- C01P2006/11—Powder tap density
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
先ず、本発明に係る正極活物質前駆体の製造装置に対して説明する。
次に、本発明に係る正極活物質前駆体の製造方法に対して説明する。
次に、本発明に係る正極活物質前駆体に対して説明する。
[NixCoyM1 zM2 w](OH)2
[化学式2]
[NixCoyM1 zM2 w]O・OH
NiSO4、CoSO4、及びMnSO4をニッケル:コバルト:マンガンのモル比が0.8:0.1:0.1となるようにする量でイオン交換水に溶かし、2.4M濃度の遷移金属含有溶液を準備した。
NiSO4、CoSO4、及びMnSO4をニッケル:コバルト:マンガンのモル比が0.8:0.1:0.1となるようにする量でイオン交換水に溶かし、2.4M濃度の遷移金属含有溶液を準備した。
NiSO4、CoSO4、及びMnSO4をニッケル:コバルト:マンガンのモル比が0.8:0.1:0.1となるようにする量でイオン交換水に溶かし、2.4M濃度の遷移金属含有溶液を準備した。
同一体積の反応器1台で、実施例1及び比較例1に記載の正極活物質前駆体の製造方法を介して1ヶ月間製造された正極活物質前駆体の生産量を測定した。測定結果は下記表1に示した。
実施例1及び比較例1及び2によって製造された正極活物質前駆体及び正極活物質の物性を下記方法で測定した。
N-メチル-2-ピロリドン(NMP)に実施例1及び比較例1~2によって製造された正極活物質、導電材及びPVDFバインダーを96:2:2の重量比で混合して正極スラリーを製造した。前記スラリーをドクターブレードを用いてアルミニウム集電体上にコーティングして乾燥後、圧延して正極を製造した。上記のように正極にポリエチレン分離膜とリチウム金属負極を積層して電極組立体を製造し、電解液を注入してコイン電池を製造した。前記電解液としては、エチレンカーボネート(EC):エチルメチルカーボネート(EMC):ジエチルカーボネート(DEC)を3:4:3の体積比で混合した有機溶媒にLiPF6を1M濃度で溶解させた溶液を用いた。
実施例1及び比較例1~2によって製造された正極活物質前駆体粉末の体積基準粒度分布をMicrotrac社のS-3500を用いて測定した。測定結果は図2に示した。
実施例1及び比較例1によって製造された正極活物質前駆体の断面を走査電子顕微鏡で撮影してコア部とシェル部の大きさを確認した。
Claims (17)
- 反応溶液を収容し、前記反応溶液の共沈反応を介して正極活物質前駆体が生成される反応器と;
前記反応器内部に配置され、前記反応溶液が一定水位に到達すると、前記反応溶液中の固形分を除いた濾液を反応器外部へ排出する濾過部と;
前記反応溶液中の一部を抽出して集水槽に移送し、前記反応溶液中の固形分含量を一定水準以下に維持させる抽出部と;
前記抽出部を介して反応器から抽出された反応溶液を収容する集水槽と;を含む正極活物質前駆体の製造装置。 - 前記反応器は、原料物質を連続的に供給するための投入部を少なくとも1つ以上含むものである、請求項1に記載の正極活物質前駆体の製造装置。
- 前記濾過部は、金属材質のフィルターを含むものである、請求項1または2に記載の正極活物質前駆体の製造装置。
- 前記濾過部は、金属材質のプリーツフィルターを含むものである、請求項1から3のいずれか一項に記載の正極活物質前駆体の製造装置。
- 前記抽出部は、反応溶液中の正極活物質前駆体の粒径が一定水準に到達すると、前駆体を含む反応溶液中の一部を抽出するものである、請求項1から4のいずれか一項に記載の正極活物質前駆体の製造装置。
- 前記抽出部は、反応溶液中の正極活物質前駆体の粒径が目標とする正極活物質前駆体の最低粒径に到達した際に抽出を開始するものである、請求項5に記載の正極活物質前駆体の製造装置。
- 前記抽出部は、ポンプを含むものである、請求項1から6のいずれか一項に記載の正極活物質前駆体の製造装置。
- 濾過部及び抽出部を備えた反応器に原料物質を連続的に供給しながら共沈反応を介して正極活物質前駆体粒子を形成する第1ステップと;
前記反応器内部に反応溶液が一定水位に到達すると、前記濾過部を介して反応溶液中の固形分を除いた濾液を排出して反応溶液の水位を一定に維持する第2ステップと;
前記抽出部を介して正極活物質前駆体を含む反応溶液中の一部を集水槽に抽出し、反応溶液中の固形分濃度を一定水準以下に維持させる第3ステップと;を含む正極活物質前駆体の製造方法。 - 前記原料物質は、遷移金属含有溶液、アンモニウムイオン含有溶液及び塩基性水溶液を含むものである、請求項8に記載の正極活物質前駆体の製造方法。
- 第1ステップにおいて、前記原料物質は、反応溶液のpHが12以上となるようにする量で供給されるものである、請求項8に記載の正極活物質前駆体の製造方法。
- 前記第1ステップにおいて、3時間以上前記反応溶液のpHが12以上となるように維持するものである、請求項10に記載の正極活物質前駆体の製造方法。
- 前記第1ステップにおいて、3時間から6時間前記反応溶液のpHが12以上となるように維持するものである、請求項10に記載の正極活物質前駆体の製造方法。
- 前記第1ステップは、反応溶液のpHが12未満となるように原料物質の供給流量を調節するステップを含むものである、請求項8に記載の正極活物質前駆体の製造方法。
- 前記第3ステップにおいて、前記抽出は、反応溶液中の正極活物質前駆体の粒径が目標とする正極活物質前駆体の最低粒径に到達する時点から行われるものである、請求項8に記載の正極活物質前駆体の製造方法。
- 前記第3ステップにおいて、前記反応溶液中の固形分濃度が80重量%以下となるように維持するものである、請求項8に記載の正極活物質前駆体の製造方法。
- 請求項8から請求項15のいずれか一項に記載の製造方法によって製造され、
1次粒子がランダムに凝集されたコア部及び前記コア部を取り囲み、粒子中心から外部方向に配向された1次粒子で形成されるシェル部を含み、
前記コア部の直径に対するシェル部の長さの比が1以上である正極活物質前駆体。 - 前記正極活物質前駆体は、下記[化学式1]又は[化学式2]で表されるものである、請求項16に記載の正極活物質前駆体。
[化学式1]
[NixCoyM1 zM2 w](OH)2
[化学式2]
[NixCoyM1 zM2 w]O・OH
前記化学式1及び化学式2中、0.5≦x<1、0<y≦0.5、0<z≦0.5、0≦w≦0.1であり、
M1は、Mn及びAlからなる群から選択される少なくとも1つ以上であり、
M2は、Zr、B、W、Mo、Cr、Nb、Mg、Hf、Ta、La、Ti、Sr、Ba、Ce、F、P、S及びYからなる群から選択される少なくとも1つ以上である。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2019-0172016 | 2019-12-20 | ||
KR20190172016 | 2019-12-20 | ||
PCT/KR2020/018583 WO2021125848A1 (ko) | 2019-12-20 | 2020-12-17 | 양극 활물질 전구체, 그 제조 방법 및 제조 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022536318A true JP2022536318A (ja) | 2022-08-15 |
JP7301450B2 JP7301450B2 (ja) | 2023-07-03 |
Family
ID=76477855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021572646A Active JP7301450B2 (ja) | 2019-12-20 | 2020-12-17 | 正極活物質前駆体、その製造方法及び製造装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220289591A1 (ja) |
EP (1) | EP3984631A4 (ja) |
JP (1) | JP7301450B2 (ja) |
KR (1) | KR102511429B1 (ja) |
CN (1) | CN114096346B (ja) |
WO (1) | WO2021125848A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113651371B (zh) * | 2021-08-18 | 2023-10-20 | 宁波容百新能源科技股份有限公司 | 高镍三元前驱体材料、其制备方法与高镍三元正极材料 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20130070328A (ko) * | 2011-12-19 | 2013-06-27 | (주)이엠티 | 리튬 이차 전지용 양극 활물질의 전구체 제조 장치 |
JP2013144625A (ja) * | 2012-01-16 | 2013-07-25 | Tanaka Chemical Corp | ニッケルコバルトマンガン複合水酸化物及びその製造方法、非水電解質二次電池用の正極活物質、並びに非水電解質二次電池 |
WO2017135415A1 (ja) * | 2016-02-03 | 2017-08-10 | 旭硝子株式会社 | 遷移金属含有水酸化物およびリチウム含有複合酸化物の製造方法 |
JP2018506156A (ja) * | 2015-06-17 | 2018-03-01 | エルジー・ケム・リミテッド | 二次電池用正極活物質、この製造方法、及びこれを含む二次電池 |
WO2019135540A1 (ko) * | 2018-01-03 | 2019-07-11 | 주식회사 엘지화학 | 공침 반응기 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100991650B1 (ko) * | 2005-04-28 | 2010-11-02 | 스미토모 긴조쿠 고잔 가부시키가이샤 | 비수 전해질 리튬 이온 전지용 정극 재료 및 이를 이용한전지 |
CN102315473A (zh) * | 2011-06-28 | 2012-01-11 | 北京好风光储能技术有限公司 | 一种锂离子液流电池 |
CN103966078B (zh) * | 2014-05-08 | 2015-12-02 | 中国科学院成都生物研究所 | 一种嵌入式生物电解产氢和甲烷的装置及方法 |
EP3466531A4 (en) * | 2016-06-07 | 2020-01-15 | Tanaka Chemical Corporation | REACTION DEVICE FOR OBTAINING INORGANIC PARTICLES AND METHOD FOR PRODUCING INORGANIC PARTICLES |
CN206316380U (zh) * | 2016-12-20 | 2017-07-11 | 上海四驱新能源科技有限公司 | 一种制备高稳定性金属锂微球粉末的制备装置 |
EP3561920B1 (en) * | 2016-12-22 | 2021-04-28 | Posco | Positive electrode active material, method for preparing same, and lithium secondary battery comprising same |
KR102086536B1 (ko) * | 2017-02-06 | 2020-03-10 | 주식회사 엘지화학 | 리튬 이차전지용 양극 활물질 전구체 및 양극 활물질의 제조방법 |
WO2018172272A1 (en) * | 2017-03-24 | 2018-09-27 | Umicore | Lithium metal composite oxide powder with suppressed gas generation |
KR101967979B1 (ko) * | 2017-05-29 | 2019-04-10 | 주식회사 포스코 | 반응 장치 및 방법 |
KR102123541B1 (ko) * | 2017-06-29 | 2020-06-16 | 주식회사 엘지화학 | 리튬 이차전지용 양극 활물질 전구체의 제조 방법 |
KR102268079B1 (ko) * | 2017-11-21 | 2021-06-23 | 주식회사 엘지화학 | 이차전지용 양극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지 |
CN111356654B (zh) * | 2017-12-08 | 2022-07-12 | 株式会社Lg化学 | 锂二次电池用正极活性材料前体及其制备方法 |
KR102288292B1 (ko) * | 2018-06-07 | 2021-08-10 | 주식회사 엘지화학 | 이차전지용 양극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지 |
KR102282282B1 (ko) * | 2018-11-05 | 2021-07-27 | 주식회사 엘지화학 | 양극 활물질 전구체의 제조 장치 및 제조 방법 |
-
2020
- 2020-12-17 CN CN202080049653.2A patent/CN114096346B/zh active Active
- 2020-12-17 US US17/627,952 patent/US20220289591A1/en active Pending
- 2020-12-17 EP EP20901028.9A patent/EP3984631A4/en active Pending
- 2020-12-17 KR KR1020200177728A patent/KR102511429B1/ko active IP Right Grant
- 2020-12-17 JP JP2021572646A patent/JP7301450B2/ja active Active
- 2020-12-17 WO PCT/KR2020/018583 patent/WO2021125848A1/ko unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20130070328A (ko) * | 2011-12-19 | 2013-06-27 | (주)이엠티 | 리튬 이차 전지용 양극 활물질의 전구체 제조 장치 |
JP2013144625A (ja) * | 2012-01-16 | 2013-07-25 | Tanaka Chemical Corp | ニッケルコバルトマンガン複合水酸化物及びその製造方法、非水電解質二次電池用の正極活物質、並びに非水電解質二次電池 |
JP2018506156A (ja) * | 2015-06-17 | 2018-03-01 | エルジー・ケム・リミテッド | 二次電池用正極活物質、この製造方法、及びこれを含む二次電池 |
WO2017135415A1 (ja) * | 2016-02-03 | 2017-08-10 | 旭硝子株式会社 | 遷移金属含有水酸化物およびリチウム含有複合酸化物の製造方法 |
WO2019135540A1 (ko) * | 2018-01-03 | 2019-07-11 | 주식회사 엘지화학 | 공침 반응기 |
Also Published As
Publication number | Publication date |
---|---|
JP7301450B2 (ja) | 2023-07-03 |
US20220289591A1 (en) | 2022-09-15 |
EP3984631A4 (en) | 2022-08-31 |
CN114096346A (zh) | 2022-02-25 |
WO2021125848A1 (ko) | 2021-06-24 |
KR102511429B1 (ko) | 2023-03-17 |
KR20210080240A (ko) | 2021-06-30 |
CN114096346B (zh) | 2024-04-16 |
EP3984631A1 (en) | 2022-04-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101144027B1 (ko) | 리튬 함유 복합 산화물의 제조 방법 | |
KR101842823B1 (ko) | 니켈 복합 수산화물과 그의 제조 방법, 비수계 전해질 이차 전지용 정극 활물질과 그의 제조 방법, 및 비수계 전해질 이차 전지 | |
WO2018117506A1 (ko) | 양극 활물질, 이의 제조 방법, 및 이를 포함하는 리튬 이차 전지 | |
JP7217069B2 (ja) | 正極活物質前駆体の製造装置及び製造方法 | |
JP5162388B2 (ja) | リチウムイオン二次電池に適したリチウム含有複合酸化物の製造方法。 | |
WO2009099158A1 (ja) | リチウムイオン二次電池正極活物質用の造粒体粉末の製造方法 | |
KR20050121727A (ko) | 리튬-니켈-코발트-망간 함유 복합 산화물 및 리튬 이차전지용 양극 활성물질용 원료와 그것들의 제조방법 | |
JP2021501980A (ja) | 正極活物質の製造方法 | |
KR101375704B1 (ko) | 리튬이차전지용 양극활물질 전구체 및 이의 제조방법 | |
JP7301450B2 (ja) | 正極活物質前駆体、その製造方法及び製造装置 | |
CN111356654B (zh) | 锂二次电池用正极活性材料前体及其制备方法 | |
KR20110111058A (ko) | 결정성의 망간복합산화물, 리튬이차전지용 리튬망간복합산화물 및 그 제조방법 | |
JPH10162830A (ja) | リチウム二次電池用正極活物質およびそれを用いた二次電池 | |
JP2007145695A (ja) | リチウム含有複合酸化物の製造方法 | |
CN115529825B (zh) | 单粒子形式的富镍锂复合过渡金属氧化物正极活性材料、其固相合成方法、包含其的正极和锂二次电池 | |
EP4269362A1 (en) | Precursor for cathode active material and preparation method therefor | |
KR100668050B1 (ko) | 망간복합산화물, 이를 이용한 리튬이차전지 스피넬형양극활물질 및 그 제조방법 | |
EP4273101A1 (en) | Positive electrode active material precursor, and method for producing same | |
JP2023008932A (ja) | リチウム二次電池用正極活物質、その製造方法、それを含むリチウム二次電池用正極、及びリチウム二次電池 | |
KR20220042657A (ko) | 고함량의 니켈 함유 리튬 복합전이금속 산화물 양극 활물질 단입자의 제조방법 및 이로부터 형성된 고함량의 니켈 함유 리튬 복합전이금속 산화물 양극 활물질 단입자 | |
WO2019223705A1 (en) | Methods for preparing particle precursor and cathode active particles, and particle precursor prepared thereby | |
KR20240058235A (ko) | 리튬 복합 산화물 및 이를 포함하는 이차전지용 양극활물질 | |
CN116425210A (zh) | 一种高镍前驱体、正极材料及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20211207 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20221219 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230104 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230331 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230522 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230615 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7301450 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |