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Method for synthesizing nano-lithium iron phosphate without water of crystallization in aqueous phase at normal pressure
Method for synthesizing nano-lithium iron phosphate without water of crystallization in aqueous phase at normal pressure
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机译:常压下水相中无结晶水的纳米磷酸铁锂的合成方法
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摘要
A method for synthesizing nano-lithium iron phosphate without water of crystallization in aqueous phase at normal pressure, which is part of a preparation method for a lithium ion positive electrode material. The preparation process comprises the following steps: preparing lithium phosphate, preparing an aqueous phase suspension of lithium phosphate, preparing a ferrous salt solution, preparing nano-lithium iron phosphate without water of crystallization, and recovering and recycling lithium in a mother solution of lithium iron phosphate. The present invention has the beneficial effects of mild reaction conditions, a short time, low energy consumption, reduced costs due to the recovery and recycling of lithium in the mother solution, stable batches, uniform and controllable strength, and being conducive to industrial production.
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