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Method for making lithium battery cathode composite material of lithium iron phosphate/lithium vanadium phosphate composite
Method for making lithium battery cathode composite material of lithium iron phosphate/lithium vanadium phosphate composite
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机译:磷酸铁锂/磷酸钒锂复合材料的锂电池正极复合材料的制备方法
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摘要
A method for making a lithium battery cathode composite is provided. A mixed solution including a solvent, an iron salt, and a phosphate is provided. An alkaline solution is added in the mixed solution until the mixed solution has a pH value in a range from about 1.5 to about 5. The mixed solution is stirred to react the iron salt with the phosphate to form a number of iron phosphate precursor particles. The iron phosphate precursor particles are heated. A lithium source solution, a reducing agent, and the iron phosphate precursor particles are mixed to form a lithium iron phosphate precursor slurry. Outer surfaces of the lithium vanadium phosphate particles are coated with the lithium iron phosphate precursor.
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