Influence of impurities in the electrolyte solutions for Li-ion batteries and the removing methods

The origins of impurities in organic electrolyte solutions were analyzed.Their influences on the performance of Li-ion batteries were discussed.The methods to remove the impurities from the organic electrolyte solutions were given based on the analysis of the origin of impurities,and the packaging materials were also given.Finally,the methods to test the quality of the electrolyte solutions were discussed in brief.