Preparation method and application of layered oxide sodium-ion battery positive electrode material
The invention relates to the technical field of secondary battery energy, in particular to a preparation method and application of a layered oxide sodium-ion battery positive electrode material. The preparation method comprises the following steps: by taking a sodium-containing compound and a transi...
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Format | Patent |
Language | Chinese English |
Published |
15.09.2023
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Abstract | The invention relates to the technical field of secondary battery energy, in particular to a preparation method and application of a layered oxide sodium-ion battery positive electrode material. The preparation method comprises the following steps: by taking a sodium-containing compound and a transition metal compound as raw materials, preparing the unmodified layered oxide sodium-ion battery positive electrode material by a conventional preparation process; adding the positive electrode material and a polymer monomer into a low-boiling-point polar solvent, and carrying out ball milling in a ball mill; and stirring and volatilizing the ball-milled material mixed solution until no solvent is left to realize in-situ polymerization of the polymer monomer on the surface of the positive electrode material, and then drying, crushing and sieving to obtain the positive electrode material containing the polymer coating layer. The positive electrode material can effectively inhibit the collapse of the material structur |
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AbstractList | The invention relates to the technical field of secondary battery energy, in particular to a preparation method and application of a layered oxide sodium-ion battery positive electrode material. The preparation method comprises the following steps: by taking a sodium-containing compound and a transition metal compound as raw materials, preparing the unmodified layered oxide sodium-ion battery positive electrode material by a conventional preparation process; adding the positive electrode material and a polymer monomer into a low-boiling-point polar solvent, and carrying out ball milling in a ball mill; and stirring and volatilizing the ball-milled material mixed solution until no solvent is left to realize in-situ polymerization of the polymer monomer on the surface of the positive electrode material, and then drying, crushing and sieving to obtain the positive electrode material containing the polymer coating layer. The positive electrode material can effectively inhibit the collapse of the material structur |
Author | CHEN YANG LIU ZHAOLIN ZOU NAN LIU BIN MENG FANMIN |
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DocumentTitleAlternate | 一种层状氧化物钠离子电池正极材料制备方法及应用 |
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Snippet | The invention relates to the technical field of secondary battery energy, in particular to a preparation method and application of a layered oxide sodium-ion... |
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SubjectTerms | BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INORGANIC CHEMISTRY MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY THEIR PREPARATION OR CHEMICAL WORKING-UP |
Title | Preparation method and application of layered oxide sodium-ion battery positive electrode material |
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