Method for preparing battery level lithium carbonate by using lithium chloride solution

The invention provides a method for preparing battery level lithium carbonate by using lithium chloride solution. The method includes the steps of the dilution of lithium chloride solution, lithium sedimentation in sodium carbonate, the separation of lithium carbonate, washing, drying, grinding and packing. The method is simple in technology, easy in operation and low in production cost, and the obtained product, namely, battery level lithium carbonate, has the advantages of low sulfate radical content, stable quality, high utilization rate of resources and suitability for the production and application of lithium ion battery raw materials, and has extensive market prospect, as well as favorable economic and social benefit.