Preparation method of high-compaction type lithium iron manganese phosphate positive electrode material
The invention discloses a preparation method of a high-compaction type lithium manganese iron phosphate positive electrode material. The method comprises the steps of grinding, drying and sintering. The method specifically comprises the following steps: 1, putting a ferromanganese phosphate precurso...
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Main Authors | , , , |
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Format | Patent |
Language | Chinese English |
Published |
16.07.2024
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Subjects | |
Online Access | Get full text |
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Summary: | The invention discloses a preparation method of a high-compaction type lithium manganese iron phosphate positive electrode material. The method comprises the steps of grinding, drying and sintering. The method specifically comprises the following steps: 1, putting a ferromanganese phosphate precursor, a carbon source, a lithium source and pure water which are proportioned into a premixing tank of a nano sand mill; 2, after the nanometer sand mill is started for a period of time, the slurry is discharged in multiple batches; and 3, carrying out spray drying on the multi-batch discharged slurry to obtain lithium manganese iron phosphate yellow material powder. And 4, sintering the lithium manganese iron phosphate yellow material at high temperature to obtain the high-compaction lithium manganese iron phosphate positive electrode material. The method is mainly characterized in that in a lithium manganese iron phosphate slurry sanding stage, the lithium manganese iron phosphate slurry which is being ground is equ |
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Bibliography: | Application Number: CN202410687235 |