JP7287892B2 - 酸化アルミニウムおよび二酸化チタンで被覆されたリチウム混合酸化物粒子およびその製造方法 - Google Patents
酸化アルミニウムおよび二酸化チタンで被覆されたリチウム混合酸化物粒子およびその製造方法 Download PDFInfo
- Publication number
- JP7287892B2 JP7287892B2 JP2019544665A JP2019544665A JP7287892B2 JP 7287892 B2 JP7287892 B2 JP 7287892B2 JP 2019544665 A JP2019544665 A JP 2019544665A JP 2019544665 A JP2019544665 A JP 2019544665A JP 7287892 B2 JP7287892 B2 JP 7287892B2
- Authority
- JP
- Japan
- Prior art keywords
- titanium dioxide
- aluminum oxide
- particles
- oxide particles
- lithium mixed
- 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.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/40—Cobaltates
- C01G51/42—Cobaltates containing alkali metals, e.g. LiCoO2
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/628—Coating the powders or the macroscopic reinforcing agents
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/628—Coating the powders or the macroscopic reinforcing agents
- C04B35/62802—Powder coating materials
- C04B35/62805—Oxide ceramics
- C04B35/62813—Alumina or aluminates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/628—Coating the powders or the macroscopic reinforcing agents
- C04B35/62802—Powder coating materials
- C04B35/62805—Oxide ceramics
- C04B35/62818—Refractory metal oxides
- C04B35/62821—Titanium oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/628—Coating the powders or the macroscopic reinforcing agents
- C04B35/62897—Coatings characterised by their thickness
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/08—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances oxides
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- 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
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/50—Agglomerated particles
-
- 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
-
- 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
- C01P2006/12—Surface area
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
- C04B2235/3203—Lithium oxide or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3262—Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3262—Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
- C04B2235/3268—Manganates, manganites, rhenates or rhenites, e.g. lithium manganite, barium manganate, rhenium oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3275—Cobalt oxides, cobaltates or cobaltites or oxide forming salts thereof, e.g. bismuth cobaltate, zinc cobaltite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3279—Nickel oxides, nickalates, or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5409—Particle size related information expressed by specific surface values
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
-
- 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
Description
使用される酸化アルミニウム粒子のBET表面積は、使用される二酸化チタン粒子のBET表面積よりも大きいことが好ましい。
使用物質
AEROXIDE(登録商標)Alu130、BET表面積130±20m2/g;Al2O3含有量≧99.8質量%。
AEROXIDE(登録商標)TiO2P25、BET表面積50±15m2/g;TiO2含有量≧99.5質量%、両方ともEvonik Resource Efficiency GmbH。
リチウムコバルト酸化物粉末、LCO LC412;平均直径d50=11±2μm(レーザー回折による)、BET表面積<0.5m2/g;Gelon。
5gのAEROXIDE(登録商標)Alu130および5gのAEROXIDE(登録商標)TiO2P25を、低エネルギー入力で混ぜ合わせる。この混合物に、990gのLCO LC412を加え、引き続き、強力実験ミキサーにおいて、0.25KWの出力で1分間にわたって混合する。
比出力=0.25kW/kg;比エネルギー=0.042kWh/kg=15KJ/kg。
割合(酸化アルミニウム+二酸化チタン)=1質量%。
速度混合器具速度22ms-1。
100~200nmの層厚さを有する被覆されたLCO粉末が得られる。
(A)本発明による方法により、AEROXIDE(登録商標)Alu130およびAEROXIDE(登録商標)TiO2P25の50:50の混合物で被覆されたLCO粉末と、
(B)AEROXIDE(登録商標)Alu130でのみ被覆されたLCO粉末と、
(C)被覆されていないLCO粉末と
を比較する。
x軸=サイクル数;y軸=正規化されたセル容量(%);
充電遮断電圧=4.4V;温度=45℃。
(A)は、サイクル範囲全体にわたって高いセル容量を示している。
Claims (12)
- 被覆されたリチウム混合酸化物粒子の製造方法において、リチウム混合酸化物粒子と、それぞれが、凝集した一次粒子の形態で存在する酸化アルミニウムおよび二酸化チタンを含む混合物とを、使用されるリチウム混合酸化物粒子および混合物の合計1kgあたり0.1~1kWの比出力を有する混合ユニットを用いて、剪断条件下で乾式混合し、前記酸化アルミニウムと前記二酸化チタンとの質量比は、30:70~70:30であり、ここで、(酸化アルミニウム+二酸化チタン)の割合は、リチウム混合酸化物粒子および(酸化アルミニウム+二酸化チタン)の合計に対して、0.1~2質量%であることを特徴とする、被覆されたリチウム混合酸化物粒子の製造方法。
- 前記混合ユニットの出力は、0.1~1000kWであることを特徴とする、請求項1記載の方法。
- 前記使用される混合ユニットの容積は、1L~2.5m3であることを特徴とする、請求項1または2記載の方法。
- 混合速度は、10~30ms-1であることを特徴とする、請求項1から3までのいずれか1項記載の方法。
- 混合の持続時間は、0.1~120分であることを特徴とする、請求項1から4までのいずれか1項記載の方法。
- 少なくとも115m2/gのBET表面積を有する酸化アルミニウム粒子を使用することを特徴とする、請求項1から5までのいずれか1項記載の方法。
- 前記酸化アルミニウム粒子を、γ‐、θ‐、δ‐酸化アルミニウムおよびそれらの混合物からなる群から選択することを特徴とする、請求項1から6までのいずれか1項記載の方法。
- 少なくとも40m2/gのBET表面積を有する二酸化チタン粒子を使用することを特徴とする、請求項1から7までのいずれか1項記載の方法。
- 前記使用される酸化アルミニウム粒子の前記BET表面積は、前記使用される二酸化チタン粒子の前記BET表面積よりも大きいことを特徴とする、請求項8記載の方法。
- 前記リチウム混合酸化物粒子を、リチウムコバルト酸化物、リチウムニッケルマンガンコバルト酸化物、リチウムニッケルコバルトアルミニウム酸化物、リチウムマンガン酸化物、リチウムニッケルマンガン酸化物、およびその混合物からなる群から選択することを特徴とする、請求項1から9までのいずれか1項記載の方法。
- 酸化アルミニウムと二酸化チタンとの混合物をシェル材料として含む被覆されたリチウム混合酸化物粒子において、前記酸化アルミニウムおよび前記二酸化チタンは、凝集した一次粒子の形態で存在し、前記酸化アルミニウムと前記二酸化チタンとの質量比は、30:70~70:30であり、ここで、(酸化アルミニウム+二酸化チタン)の割合は、リチウム混合酸化物粒子および(酸化アルミニウム+二酸化チタン)の合計に対して、0.1~2質量%であることを特徴とする、被覆されたリチウム混合酸化物粒子。
- 請求項11記載の前記被覆されたリチウム混合酸化物粒子を含有する、バッテリーセル。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17156693.8 | 2017-02-17 | ||
EP17156693 | 2017-02-17 | ||
PCT/EP2018/053580 WO2018149834A1 (de) | 2017-02-17 | 2018-02-13 | Mit aluminiumoxid und titandioxid umhüllte lithium-mischoxidpartikel und verfahren zu deren herstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020507550A JP2020507550A (ja) | 2020-03-12 |
JP7287892B2 true JP7287892B2 (ja) | 2023-06-06 |
Family
ID=58057035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019544665A Active JP7287892B2 (ja) | 2017-02-17 | 2018-02-13 | 酸化アルミニウムおよび二酸化チタンで被覆されたリチウム混合酸化物粒子およびその製造方法 |
Country Status (8)
Country | Link |
---|---|
US (2) | US11760693B2 (ja) |
EP (1) | EP3583643B1 (ja) |
JP (1) | JP7287892B2 (ja) |
KR (1) | KR102494059B1 (ja) |
CN (1) | CN110313088A (ja) |
ES (1) | ES2831856T3 (ja) |
HU (1) | HUE052829T2 (ja) |
WO (1) | WO2018149834A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111430705A (zh) * | 2019-10-29 | 2020-07-17 | 蜂巢能源科技有限公司 | 锂离子电池的正极材料及其制备方法 |
EP4002519A1 (en) | 2020-11-11 | 2022-05-25 | Evonik Operations GmbH | Transition metal oxide particles encapsulated in nanostructured lithium titanate or lithium aluminate, and the use thereof in lithium ion batteries |
CN113130901B (zh) * | 2021-03-05 | 2022-10-28 | 广东省科学院稀有金属研究所 | 一种钛掺杂高镍三元锂离子电池正极材料及其制备方法 |
WO2022238171A1 (en) | 2021-05-14 | 2022-11-17 | Evonik Operations Gmbh | Fumed alumina powder with reduced moisture content |
JP2023143776A (ja) | 2022-03-23 | 2023-10-06 | エボニック オペレーションズ ゲーエムベーハー | 非晶質リチウム含有粉末で被覆された遷移金属酸化物粒子およびそのエネルギー貯蔵デバイスにおける使用 |
JP2023152003A (ja) * | 2022-04-01 | 2023-10-16 | 住友金属鉱山株式会社 | リチウムイオン二次電池用正極活物質、リチウムイオン二次電池用正極活物質の製造方法 |
WO2023232596A1 (en) * | 2022-06-03 | 2023-12-07 | Evonik Operations Gmbh | Cathode active material particles encapsulated in pyrogenic, nanostructured magnesium oxide, and methods of making and using the same |
CN116666582A (zh) * | 2023-05-16 | 2023-08-29 | 广州凌顶能源科技有限公司 | 一种金属氧化物包覆氧化锂复合正极材料及其制备方法以及包含该正极材料的正极片和电池 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007135984A1 (ja) | 2006-05-18 | 2007-11-29 | Mitsubishi Chemical Corporation | 電子写真感光体及び導電性基体の製造方法、並びに、画像形成装置及び電子写真カートリッジ |
JP2009016302A (ja) | 2007-07-09 | 2009-01-22 | Nichia Corp | 非水電解質二次電池用正極活物質、非水電解質二次電池および非水電解質二次電池用正極活物質の製造方法。 |
JP5286708B2 (ja) | 2007-08-03 | 2013-09-11 | トヨタ自動車株式会社 | 二次電池の異常検出装置および異常検出方法 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2875925B2 (ja) | 1992-04-07 | 1999-03-31 | 三井化学株式会社 | 含炭素組成物の製造方法 |
DE19922522A1 (de) | 1999-05-15 | 2000-11-16 | Merck Patent Gmbh | Beschichtete Lithium-Mischoxid-Partikel und deren Verwendung |
JP2001143703A (ja) * | 1999-11-11 | 2001-05-25 | Nichia Chem Ind Ltd | リチウム二次電池用正極活物質 |
US7205072B2 (en) | 2002-11-01 | 2007-04-17 | The University Of Chicago | Layered cathode materials for lithium ion rechargeable batteries |
US20040121234A1 (en) | 2002-12-23 | 2004-06-24 | 3M Innovative Properties Company | Cathode composition for rechargeable lithium battery |
WO2008120442A1 (ja) * | 2007-03-29 | 2008-10-09 | Panasonic Corporation | 非水電解質二次電池用正極および非水電解質二次電池 |
JP5023912B2 (ja) * | 2007-09-19 | 2012-09-12 | トヨタ自動車株式会社 | 正極活物質の製造方法 |
KR100889622B1 (ko) * | 2007-10-29 | 2009-03-20 | 대정이엠(주) | 안전성이 우수한 리튬 이차전지용 양극 활물질 및 그제조방법과 이를 포함하는 리튬 이차전지 |
KR101105877B1 (ko) * | 2009-06-10 | 2012-01-16 | 주식회사 코캄 | 리튬 이차전지용 음극 활물질 및 그 제조방법과 이를 이용한 리튬 이차전지 |
KR20120099375A (ko) | 2009-08-27 | 2012-09-10 | 엔비아 시스템즈 인코포레이티드 | 금속 산화물이 코팅된 리튬 기반 배터리용 양극 물질 |
CN101694874B (zh) * | 2009-10-21 | 2012-01-11 | 南通瑞翔新材料有限公司 | 锂离子二次电池正极材料钴酸锂的制备方法 |
JP2011181386A (ja) | 2010-03-02 | 2011-09-15 | Sanyo Electric Co Ltd | 非水電解質二次電池 |
CN101867061A (zh) * | 2010-05-27 | 2010-10-20 | 苏州阿特斯阳光电力科技有限公司 | 长寿命高功率锂离子电池及其制备方法 |
CN103081189B (zh) | 2010-08-17 | 2017-02-15 | 尤米科尔公司 | 经铝干式涂覆的和热处理的阴极材料前体 |
CN102420331A (zh) * | 2011-10-25 | 2012-04-18 | 中国海洋石油总公司 | 一种锰酸锂的包覆改性方法 |
EP2973794B1 (en) | 2013-03-12 | 2017-09-27 | Sachem, Inc. | Oxide shell formation on inorganic substrates via lithium polyoxoanion salt deposition |
WO2015115699A1 (ko) * | 2014-01-29 | 2015-08-06 | 주식회사 엘앤에프신소재 | 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지 |
KR102183997B1 (ko) * | 2014-02-07 | 2020-11-27 | 삼성에스디아이 주식회사 | 양극 활물질, 이를 채용한 양극과 리튬 전지 및 이의 제조 방법 |
CN103794763B (zh) * | 2014-03-03 | 2016-06-22 | 中信国安盟固利电源技术有限公司 | 一种纳米金属包覆的锂离子电池正极材料及其制法 |
KR102273772B1 (ko) | 2014-05-21 | 2021-07-06 | 삼성에스디아이 주식회사 | 복합 양극 활물질, 이를 포함하는 리튬 전지, 및 이의 제조방법 |
WO2016196688A1 (en) | 2015-06-01 | 2016-12-08 | Energy Power Systems LLC | Nano-engineered coatings for anode active materials, cathode active materials, and solid-state electrolytes and methods of making batteries containing nano-engineered coatings |
CN111386619A (zh) * | 2017-08-22 | 2020-07-07 | A123系统有限责任公司 | 阴极材料上的用于提高安全性和循环稳定性的四硼酸锂玻璃涂层 |
EP4002519A1 (en) * | 2020-11-11 | 2022-05-25 | Evonik Operations GmbH | Transition metal oxide particles encapsulated in nanostructured lithium titanate or lithium aluminate, and the use thereof in lithium ion batteries |
-
2018
- 2018-02-13 KR KR1020197026917A patent/KR102494059B1/ko active IP Right Grant
- 2018-02-13 ES ES18706228T patent/ES2831856T3/es active Active
- 2018-02-13 EP EP18706228.6A patent/EP3583643B1/de active Active
- 2018-02-13 WO PCT/EP2018/053580 patent/WO2018149834A1/de unknown
- 2018-02-13 US US16/486,589 patent/US11760693B2/en active Active
- 2018-02-13 HU HUE18706228A patent/HUE052829T2/hu unknown
- 2018-02-13 JP JP2019544665A patent/JP7287892B2/ja active Active
- 2018-02-13 CN CN201880012071.XA patent/CN110313088A/zh active Pending
-
2023
- 2023-07-30 US US18/227,944 patent/US20230365470A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007135984A1 (ja) | 2006-05-18 | 2007-11-29 | Mitsubishi Chemical Corporation | 電子写真感光体及び導電性基体の製造方法、並びに、画像形成装置及び電子写真カートリッジ |
JP2009016302A (ja) | 2007-07-09 | 2009-01-22 | Nichia Corp | 非水電解質二次電池用正極活物質、非水電解質二次電池および非水電解質二次電池用正極活物質の製造方法。 |
JP5286708B2 (ja) | 2007-08-03 | 2013-09-11 | トヨタ自動車株式会社 | 二次電池の異常検出装置および異常検出方法 |
Also Published As
Publication number | Publication date |
---|---|
US20230365470A1 (en) | 2023-11-16 |
US11760693B2 (en) | 2023-09-19 |
HUE052829T2 (hu) | 2021-05-28 |
ES2831856T3 (es) | 2021-06-09 |
EP3583643B1 (de) | 2020-09-30 |
EP3583643A1 (de) | 2019-12-25 |
KR102494059B1 (ko) | 2023-02-01 |
KR20190120773A (ko) | 2019-10-24 |
CN110313088A (zh) | 2019-10-08 |
US20200010367A1 (en) | 2020-01-09 |
WO2018149834A1 (de) | 2018-08-23 |
JP2020507550A (ja) | 2020-03-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7287892B2 (ja) | 酸化アルミニウムおよび二酸化チタンで被覆されたリチウム混合酸化物粒子およびその製造方法 | |
JP5742935B2 (ja) | 正極活物質粒子、並びにそれを用いた正極及び全固体電池 | |
JP2018154545A (ja) | ナノ粒子集合体、ナノ粒子焼成物、及びこれらの製造方法 | |
Armstrong et al. | Carbon nanocage supported synthesis of V 2 O 5 nanorods and V 2 O 5/TiO 2 nanocomposites for Li-ion batteries | |
JP2017084674A (ja) | リチウムイオン電池用正極活物質、リチウムイオン電池用正極及びリチウムイオン電池 | |
JP2001143703A (ja) | リチウム二次電池用正極活物質 | |
WO2019133251A1 (en) | LimMOxFy SHELL FORMATION ON CATHODE CERAMIC PARTICLE FOR LI ION BATTERY THROUGH ONIUM METAL OXIDE FLUORIDE PRECURSOR | |
JP6269645B2 (ja) | 活物質複合体の製造方法 | |
TW201504151A (zh) | 鈦酸鋰及其製造方法,以及使用其之蓄電裝置 | |
WO2019065254A1 (ja) | 正極活物質、及び、その製造方法、並びに、正極、及びリチウムイオン電池 | |
TW200901535A (en) | Novel cocrystalline compounds and electrochemical redox active material employing the same | |
JP7118851B2 (ja) | 全固体リチウムイオン電池用正極活物質の製造方法、及び、全固体リチウムイオン電池の製造方法 | |
JP6126191B1 (ja) | 二次電池用酸化物系負極活物資及びその製造方法 | |
Jamin et al. | Effect of freeze-drying and self-ignition process on the microstructural and electrochemical properties of Li4Ti5O12 | |
EP3636597A1 (en) | Lithium transition metal composite oxide and method of production | |
EP4064386A1 (en) | Core-shell particles based on red lead for lead-acid batteries | |
WO2016157407A1 (ja) | リチウム含遷移金属酸化物およびそれを用いたリチウムイオン二次電池 | |
WO2021225094A1 (ja) | リチウム二次電池用正極活物質前駆体、リチウム二次電池用正極活物質前駆体の製造方法及びリチウム二次電池用正極活物質の製造方法 | |
JP7118187B1 (ja) | リチウム金属複合酸化物、リチウム二次電池用正極活物質、リチウム二次電池用正極及びリチウム二次電池 | |
JP7417135B2 (ja) | 非水電解質二次電池用正極活物質及びその製造方法 | |
JP7405929B1 (ja) | リチウム金属複合酸化物、リチウム二次電池用正極活物質、リチウム二次電池用正極及びリチウム二次電池 | |
Aşkar | UTILIZATION OF COLLOIDAL PRINCIPLES IN CARBON COATING OF ELECTROACTIVE MATERIALS | |
KR20230121864A (ko) | 충전식 리튬 이온 배터리용 양극 활물질 | |
JP2020123507A (ja) | リチウム複合酸化物及びその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20201225 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20211203 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20211214 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220311 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20220530 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220819 |
|
C60 | Trial request (containing other claim documents, opposition documents) |
Free format text: JAPANESE INTERMEDIATE CODE: C60 Effective date: 20220819 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20220901 |
|
C21 | Notice of transfer of a case for reconsideration by examiners before appeal proceedings |
Free format text: JAPANESE INTERMEDIATE CODE: C21 Effective date: 20220906 |
|
A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20221007 |
|
C211 | Notice of termination of reconsideration by examiners before appeal proceedings |
Free format text: JAPANESE INTERMEDIATE CODE: C211 Effective date: 20221018 |
|
C22 | Notice of designation (change) of administrative judge |
Free format text: JAPANESE INTERMEDIATE CODE: C22 Effective date: 20221213 |
|
C22 | Notice of designation (change) of administrative judge |
Free format text: JAPANESE INTERMEDIATE CODE: C22 Effective date: 20230314 |
|
C23 | Notice of termination of proceedings |
Free format text: JAPANESE INTERMEDIATE CODE: C23 Effective date: 20230412 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230525 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7287892 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |