Method for preparing a magnification type lithium iron phosphate

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Hefei Guoxuan Battery Materials Co., Ltd. is a subsidiary of Hefei Quan Gaoke Power Co.

, Ltd. Guoxuan's high-tech is the third largest power battery manufacturer in China. In 2019, its power battery installed is about 3.

2GWH. The domestic market share is 5.2%.

The industry has ranked third in the industry. The second and new energy special car loaders in the country are in the country. Subsidiary Hefei Xixuan Battery Materials Co.

, Ltd. is mainly committed to R <000000> D, production and sales of lithium iron phosphate and the performance improvement of three-dimensional material materials. It is understood that the present invention discloses a method of preparing a magnification of lithium iron phosphate: 1 to add carbon sources, phosphorus sources to the mixed reaction in deionized water, to obtain slurry A; 2 to the slurry A to add a lithium source and additive At the same time, it is simultaneously operated by mechanical stirring and self-circulating system to operate 3-5h to form slurry B; 3 slurry B is ground to the nanoscale slurry C; 4 by dynamic drying removes the slurry C The moisture is obtained, and the material D is obtained by crystallizing the material D in the protective atmosphere to crystallize the crystallization to obtain a sintered material; 6 dispenters the sintered tissue to prepare the lithium iron phosphate.

High-magnification of lithium iron phosphate battery output voltage stable, high output voltage, stable performance, long capacity, long service life, wide operating temperature, good safety, and environmentally friendly, there is a big rise in the road of lithium battery in the future space. The preparation method can prepare a magnification of lithium iron phosphate, and the preparation method is highly automated, which can be compatible with energy-type lithium iron phosphate equipment, no equipment transformation, and is very suitable for large-scale industrialization.