TW557593B - Positive electrode material of Lithium ion secondary cell made by spraying combustion method - Google Patents
Positive electrode material of Lithium ion secondary cell made by spraying combustion method Download PDFInfo
- Publication number
- TW557593B TW557593B TW091113886A TW91113886A TW557593B TW 557593 B TW557593 B TW 557593B TW 091113886 A TW091113886 A TW 091113886A TW 91113886 A TW91113886 A TW 91113886A TW 557593 B TW557593 B TW 557593B
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- Prior art keywords
- salt
- secondary battery
- patent application
- item
- cathode material
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 13
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 239000007774 positive electrode material Substances 0.000 title claims abstract description 9
- 238000009841 combustion method Methods 0.000 title abstract description 7
- 238000005507 spraying Methods 0.000 title abstract 5
- 150000003839 salts Chemical class 0.000 claims abstract description 27
- 239000000843 powder Substances 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 150000002500 ions Chemical class 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011572 manganese Substances 0.000 claims abstract description 11
- 239000002253 acid Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000002485 combustion reaction Methods 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 229910052759 nickel Chemical group 0.000 claims abstract description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 4
- 239000011651 chromium Chemical group 0.000 claims abstract description 4
- 239000010941 cobalt Chemical group 0.000 claims abstract description 4
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 21
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 239000010406 cathode material Substances 0.000 claims description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- 150000007519 polyprotic acids Chemical class 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 6
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 6
- 229910003002 lithium salt Inorganic materials 0.000 claims description 6
- 159000000002 lithium salts Chemical class 0.000 claims description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 5
- 229910002651 NO3 Inorganic materials 0.000 claims description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 3
- 150000002696 manganese Chemical class 0.000 claims description 3
- 235000019260 propionic acid Nutrition 0.000 claims description 3
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- 238000011068 loading method Methods 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 239000003595 mist Substances 0.000 claims description 2
- -1 gaseous matter Chemical compound 0.000 claims 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 abstract description 2
- 229910006669 Li1+xMn2−yMyO4 Inorganic materials 0.000 abstract 1
- 239000000047 product Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 229910014549 LiMn204 Inorganic materials 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910001290 LiPF6 Inorganic materials 0.000 description 2
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000975 co-precipitation Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 229910002102 lithium manganese oxide Inorganic materials 0.000 description 2
- VLXXBCXTUVRROQ-UHFFFAOYSA-N lithium;oxido-oxo-(oxomanganiooxy)manganese Chemical compound [Li+].[O-][Mn](=O)O[Mn]=O VLXXBCXTUVRROQ-UHFFFAOYSA-N 0.000 description 2
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003746 solid phase reaction Methods 0.000 description 2
- 238000010671 solid-state reaction Methods 0.000 description 2
- ZVYSYCLZXICWLH-UHFFFAOYSA-N 1,3-dioxetan-2-one Chemical compound O=C1OCO1 ZVYSYCLZXICWLH-UHFFFAOYSA-N 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- MYWGVEGHKGKUMM-UHFFFAOYSA-N carbonic acid;ethene Chemical compound C=C.C=C.OC(O)=O MYWGVEGHKGKUMM-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 229910001437 manganese ion Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0419—Methods of deposition of the material involving spraying
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G45/00—Compounds of manganese
- C01G45/12—Complex oxides containing manganese and at least one other metal element
- C01G45/1221—Manganates or manganites with trivalent manganese, tetravalent manganese or mixtures thereof
- C01G45/1242—Manganates or manganites with trivalent manganese, tetravalent manganese or mixtures thereof of the type (Mn2O4)-, e.g. LiMn2O4 or Li(MxMn2-x)O4
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
- C01G49/0072—Mixed oxides or hydroxides containing manganese
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/40—Complex oxides containing cobalt and at least one other metal element
- C01G51/42—Complex oxides containing cobalt and at least one other metal element containing alkali metals, e.g. LiCoO2
- C01G51/44—Complex oxides containing cobalt and at least one other metal element containing alkali metals, e.g. LiCoO2 containing manganese
- C01G51/54—Complex oxides containing cobalt and at least one other metal element containing alkali metals, e.g. LiCoO2 containing manganese of the type (Mn2O4)-, e.g. Li(CoxMn2-x)O4 or Li(MyCoxMn2-x-y)O4
-
- 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
- C01G53/54—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese of the type (Mn2O4)-, e.g. Li(NixMn2-x)O4 or Li(MyNixMn2-x-y)O4
-
- 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
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/30—Three-dimensional structures
- C01P2002/32—Three-dimensional structures spinel-type (AB2O4)
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
- C01P2002/54—Solid solutions containing elements as dopants one element only
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/74—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by peak-intensities or a ratio thereof only
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- 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
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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
- H01M4/36—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
- H01M4/40—Alloys based on alkali metals
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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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- 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)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
557593 A7
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!裝 欄·
I I I I 訂 557593 A7 B7 五、發明説明(2 ) 程複雜且費時,而且亦無法確保產物為單一結晶相的均質 材料,往往會有難以預測的副產物產生。 嗜霧乾燥法已被廣泛地用來製造質地細緻的陶瓷粉 末,其顆粒為幾個微米(μηι)至幾十微米的空心粉粒,而 此種粉粒粒徑過大,且其空心結構會影響電池特性,並不 適合作為鋰離子二次電池的正極材料。 發明人爰因於此,本於積極發明之精神,亟思一種可 以解決上述問題之「以喷霧燃燒法製備鋰離子二次電池正 極材料」,幾經研究實驗終至完成此項嘉惠世人之發明。 【本發明之概述】 本發明 < 王要目的係在提供一種以噴霧燃燒法製備鋰 離子二次電池正極材料,俾能簡易且快速地製造出顆粒細 微、適用於電池正極的鋰鏟氧化物粉末。 ,卜本發明為-種如下通式⑴之二次電池正極材料之 製造方法, I 参
Li 1 +xMn2.yMy04 (I) 其中U係為麵,Mn係為鞋,M係為銘、銘、絡、 鐵或鎳,0$χ$〇·4,〇<ν<02·並々AT丄 — y$〇.2,其包含下述步騾··首 j取鍾鹽、㈣、M鹽與有機多f子酸溶於水中,以形成 ,起始溶欣’其中,鋰鹽中所含鋰離子之莫耳數:錳 所含短離子之莫耳數:M鹽中所含M離子之莫^數 = 0+X):(2-y):y ’·之後將該起始溶液注入一 器内之噴霧腔體中,w a 士 ·ν漆 詩u以生成一粉末,同時調整該 W尺國家標準 557593 -- , 五、發明説明(3 =,使該喷霧腔體之出口溫度介於ΐ5〇υ , 取後再將該粉末進行熱處理即可。 訂 並矣明—次電池正極材料之製作方法,所使用之麵鹽 ^特殊之限制,例如可以是麵之硝酸鹽、氯化物、氫氧 化物、碳酸鹽、或醋酸鹽;鐘鹽亦無特殊之限制,例如可 :是鐘之硝酸鹽、氯化物、氫氧化物、碳酸鹽、或醋酸 a ’而Μ鹽係指H、鉻、鐵或鎳之鹽類,例如可以是 鋁、鈷、鉻、鐵或鎳之硝酸鹽、氯化物、氫氧化物、碳酸 鹽、或醋酸鹽。本發明所使用之有機多質子酸係指乙酸、 丙酸、丁酸或檸檬酸,一般而言,有機多質子酸之莫耳數 與麵鹽中所含麵離子莫耳數之比係介於1:1至之間, 以利於生成結晶相良好之正極材料,較佳的有機多質子酸 之莫耳數與鋰鹽中所含鋰離子莫耳數之比係介於1:1至 3:1之間。本發明中後續之熱處理溫度係介於6〇〇c>c〜9〇〇 間,熱處理時間係介於丨小時至8小時之間。關於熱 處理<步驟與條件,非本發明之重點,且為熟悉此項技藝 之人士所習之’於此不再*一贊述。 【圖式簡單説明】 第1圖係本發明之喷霧燃燒裝置示意圖。 第2圖係本發明所合成之LiMn2〇4未經熱處理2XRD分析 圖0 第3圖係本發明所合成之LiMn2〇4經800°C熱處理4小時之 XRD分析圖。 6 本紙張尺度適用中國國家標準(CNS) A4規格(210X297公釐) 557593 A7 B7 五、發明説明(+ ) 第4圖係本發明所合成之LiMn2〇4經8〇〇°C熱處理8小時之 XRD分析圖。 第5圖係固態反應法、pechini法、共沈澱法與本發明之喷 霧燃燒法所合成之Li Μη2 〇4分別組裝成測試電池所作之充 放電測試結果比較圖。 【圖號説明】 1 噴霧燃燒裝置10 12 加熱元件 13 15 流量計 16 2〇 喷霧腔體 21 3〇 旋風器 31 進料 霧化器 霧滴 11 14 17 入口溫度計 22 排氣元件 32 空氣過濾器 壓力計 空氣 出口溫度計 收集瓶 C請先閲讀背面之注意事項再填寫本頁各欄)
-m 1 -I £ 【較佳具體實施例之詳細説明】 本發明為一種以噴霧燃燒法製備如下通式(I )之二 次電池正極材料之製造方法, Lii+xMn2.yMy04 ( I ) 其中Li係為鋰,Μη係為錳,Μ係為鋁、鈷、絡、鐵 或鎳;O^x^O.4,;其步騾如下:首先取鋰 鹽、叙鹽、Μ鹽與有機多質子酸溶於水中,以形成一起始 溶液’其中,麵鹽中所含鋰離子之莫耳數:錳鹽中所含錳 離子之莫耳數:Μ鹽中所含Μ離子之莫耳數= (ι+χ):(2_ y):y ;本發明所使用之有機多質子酸係指乙酸、丙酸、丁 酸及檸檬酸,一般而言,有機多質子酸之莫耳數與鋰鹽中 本紙張尺國家標f(CNS) A4規格(210X297公爱) ^----ί 訂-------- 557593 A7 B7 五、發明說明(5 ) 所含麵離子莫耳數之比係介於1 : 1至5 : 1之間,以利於生 成結晶相良好之正極材料,較佳的有機多質子酸之莫耳數 與趣鹽中所含鋰離子莫耳數之比係介於1 :丨至3 ·丨之間。 <後將Μ起始溶液注入一噴霧燃燒反應器内之噴霧腔體 中’以生成一粉末,同時調整該起始溶液之流速,使該喷 霧腔體之出口溫度介於150°C〜200°C;最後再將該粉末 收集進行熱處理即可,熱處理溫度係介於6〇(rc〜9〇0°C 之間’熱處理時間係介於1小時至8小時之間。 本發明之正極材料使用在麵離子二次電池時,可組裝 成任一型式之電池,來測試其電能特性,其方法為將本發 明之正極材料塗佈於鋁箔上作為正極,另以一鋰箔作為負 極,以碳酸乙烯酯(ethylene carbonate)與碳酸二乙缔 (Methylene carbonate)體積比 i M 製成的 I” LiPF6 混合溶液作為電解液。 本發明中所使用之喷霧燃燒裝置、熱處理裝置、各種 金屬鹽類以及多質子酸之取得,以及實驗操作為熟悉此項 技藝之人士所習知,於此不再贅述。 為能讓貴審查委員能更瞭解本發明之技術内容,特 舉較佳具體實施例説明如下。 實施例 第1圖為本發明之噴霧燃燒裝置1。首先調配進料 1 0,將硝酸鋰、硝酸錳和檸檬酸溶於水中,使其中之鋰離 子、短離子和檸檬酸濃度分別為〇1〇M、〇 2〇m和 0.167M。空氣17經空氣過濾器11過濾後,以加熱元件i2 本紙張尺度適用中國國家標準(CNS) A4規格(210X297公釐)~~-------- r "----Γ ^--------^^丨 (請先閲讀背面之注意事項再填寫本頁各欄) 五、發明説明(6 ) 加熱之,使喷霧腔體20之入口溫度計21g4〇(rc。將進料 10送入霧化器13内進行霧化,然後噴進噴霧腔體2〇中產 生霧滴16,其中,霧化器13内之壓力由壓力計14所控 制,同時以流量計1 5調整進料1 〇之流量,使喷霧腔體之 出口溫度計22維持在15(TC以上。由於霧滴16於喷霧^體 20之滞留時間長,可使原本空心粉體分解成實心且顆粒更 小的粉末,而實心結構對於電池充放電特性有改善的效 果。之後,此粉末進入旋風器30中會產生自燃,所生成的 粉末則進入收集瓶32,故由收集瓶32所收集的粉末已不 需再作煆燒處理了,而進入旋風器3〇之空氣則由排氣元件 3 1排出。 接著,將所收集的粉末置於熱處理爐中,以5〇c/min 的速率加熱至8 0 0 °C,且分別維持4及8小時,最後以i /min的緩慢速率將其冷卻至室溫。所得鋰錳氧化物以 CuKoc x-ray繞射圖譜測試其晶型結構,分別得第2、3及 4圖。由第2圖可發現,本發明的粉末未經熱處理即具有結 晶度,且由第3及4圖判斷,本發明的粉末僅需熱處理4小 時,即具有非常完整的結晶相。 比較例1 以傳統的固態反應法製作LiMn2〇4。將Li2C03和 Mn(CH3C00)2依莫耳比ι··4取量置於研缽中磨碎混合, 加入適量乙醇,經過2 4小時以上的球磨混合,再將液體烘 乾去除。之後’先在3 50°C煆燒6小時,接著在60 0°C煆燒 本紙張尺度適财國國家標準(CNS_) A4規格(210X297^7 557593 五、發明説明(7 ) ; Μ彳熱處理72小時,再以爐冷方式降溫 至室溫即得產物。 比較例2 以共沈澱法製作LiMn2〇4。扣和馳的醋酸鹽或其 它可溶於水的其他鹽類,依離子比Li:Mn=i:2的比例取適 量之鹽類溶於去離子水中並混合均勾,再慢慢加入氣水以 調整此溶液之pH値,使介於6.5〜75之間。將此溶液加熱 至70〜8(TC,同時攪拌之使其水分蒸發。將得到之粉末置 於300°C煆燒6小時,接著於80〇。〇空氣中進行1〇小時熱 處理,即可得Li Μη2 〇4尖晶石相粉末。 比較例3 以Pechini法製作LiMn2〇4。將硝酸鋰和硝酸錳以莫 耳比1 :2,加上等份量擰檬酸分別均勻溶解於去離子水 中’揽拌之,將此混合溶液於9 〇 °C加熱2 〇分鐘,接著在 1 40 C加熱三小時以產生酯化反應,此溶液轉為黑色黏稠 狀,再把溫度提南到180°C,將多餘之乙二醇完全蒸發出 來,而剩一有機聚合凝膠。將此有機聚合凝膠於2〇〇〜3〇() °C空氣中煆燒,然後在600〜800°c進行熱處理,以得一微 細粉末,最後再以每分鐘1 °C的速率緩慢地將產物冷卻至 室溫。 將實施例與比較例1 -3之產物分別組裝成一鈕釦型式 電池’以測試其充放電之比電容量及猶環次數的關係,並 方法為將上述材料分別塗佈於鋁箔上作為正極,麵落作為 負極,並以碳酸乙烯(ethylene carbonate)與碳酸二乙缔 Γ 10 本紙張尺度適用中國國家標準(CNS) A4規格(210X297公釐) " -------- 請 丨先 閲 讀 背 面 之 注,, 意 事 項 再 I填 窝 I本 I裝 訂
557593 A7 ---- B7 五、發明説明(g ) (diethylene carbonate) 1 : i體積比製成的 1M LiPF6 混合溶液作為電解液。測試結果請參見第5圖,由其各別 之比電容量與循環次數之關係可知,使用本發明所合成之 鋰錳氧化物作為正極材料之鋰離子二次電池,其比電容量 及循環穩定性均優於其他三種方法所合成者。 综上所陳,本發明無論就目的、手段及功效,在在均 顯示其迥異於習知技術之特徵,為「以喷霧燃燒法製備叙 離子二次電池正極材料」之—大突破。惟應注意的是,上 述諸多實施例僅係為了便於説明而舉例而已,本發明所主 張之權利範園自應以申請專利範園所述為準,而非僅限於
Claims (1)
- 六、申請專利範園 1· 一種如下通式(I)之二次電池正極材料之製造 法, Lii+xMn2-yMy〇4 (I) 其中Li係為鋰;Μη係為錳;M係為鋁、鈷、鉻、鐵 或鎳;0。^0.4,;其包括如下步驟·· (A)取鋰鹽、錳鹽、%鹽與有機多質子酸溶於水中, 以形成一起始溶液, 、其中,鋰鹽中所含鋰離子之莫耳數··錳鹽中所含鏟離 子< 莫耳數:Μ鹽中所含撾離子之莫耳數= (1+χ y):y ; (B)將孩起始溶液注入一噴霧燃燒反應器内之噴霧腔體 中,以生成一粉末,同時調整該起始溶液之流速,使診 霧腔體之出口溫度介於15(rc〜2〇(rc ;以及 " (c)將該粉末進行熱處理。 ,】、/·、如申請專利範園第丨項所述之二次電池正極材料之 製化万法,其中該㈣係指叙之梢酸鹽、氯化物 物、碳酸鹽、或醋酸鹽。 虱化 ,〗、^·、如申請專利範圍第1項所述之二次電池正極材料之 h万法’其中該㈣係指欽之硝酸鹽、氣化物 物、碳酸鹽或醋酸鹽。 、】、/·、如申請專利範圍第1項所述之二次電池正極材料之 去,其中該職係指|g、姑、絡、鐵或鎳之硝酸 鹽、氣化物、氫氧化物、碳酸鹽、或醋酸鹽。 ^ ______ 12 張尺度適财 557593 、申請專利範園 製、告5 ·、如申請專利範圍第1項所述之二次電池正極材料之匕万法,其中該有機多質子酸係指乙酸、丙酸、 檸檬酸。 吸或 、生6·如申請專利範圍第1項所述之二次電池正極材料之 ,、方去,其中該有機多質子酸之莫耳數與該麵鹽中所本 里離子莫耳數之比係介於1 : 1至5 : 1之間。 生7 .如申請專利範圍第丨項所述之二次電池正極材料之 ,&方去,其中該有機多質子酸之莫耳數與該麵鹽中所含 麵離子莫耳數之比係介於1 : 1至3: 1之間。 4 8 •如申凊專利範圍第1項所述之二次電池正極材料之 製垅方法,其中該熱處理溫度係介於600°C〜900°C之間。 9 .如申凊專利範圍第1項所述之二次電池正極材料之 製迨方法,其中該熱處理時間係介於1小時至8小時之間。 (請先閲讀背面之注意事項再填寫本頁各櫊) 裝 -----訂---------線— 13 本紙張尺度適用中國國家標準(CNS) A4規格(210X297公釐)
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| KR101272042B1 (ko) | 2010-11-08 | 2013-06-07 | 주식회사 포스코이에스엠 | 리튬 망간 복합 산화물 및 이의 제조 방법 |
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| US6110442A (en) * | 1997-05-30 | 2000-08-29 | Hughes Electronics Corporation | Method of preparing Lix Mn2 O4 for lithium-ion batteries |
| US6306542B1 (en) * | 1998-05-22 | 2001-10-23 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Lithium manganese composite oxide for lithium secondary battery cathode active material, manufacturing method thereof, and lithium secondary battery using the composite oxide as cathode active material |
| EP1142834A4 (en) * | 1999-11-15 | 2009-06-17 | Mitsubishi Chem Corp | LITHIUM MANGANESE COMPOSITE OXIDE, POSITIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY ACCUMULATOR, POSITIVE ELECTRODE AND LITHIUM SECONDARY ACCUMULATOR, AND PROCESS FOR THE PREPARATION OF LITHIUM MANGANESE COMPOSITE OXIDE |
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| CN102810666B (zh) * | 2012-08-01 | 2014-10-22 | 四川大学 | 正极材料LiMxNiyMn2-x-yO4的制备方法 |
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