| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention refers to improved method of producing complex lithium borate salt to be applied as conducting salt in electrolytes in making galvanic cells, particularly lithium-ion batteries. Parent components boric acid, oxalic acid and lithium compounds (carbonate, lithium hydroxide) taken in the equivalent ratio according to the chemical reaction equation, charged in a planetary-type mill cup and mechanically activated with centrifugal rotary acceleration 500-600 m/s2 within 15-20 seconds. Synthesis is ensured within 4-6 hours in a furnace at temperature 190-220C. Furnace heating rate to working temperature is 15-30C/min. The prepared salt is finished drying in a vacuum furnace, then unloaded and packed in a boxing filled with dry inert gas. ^ EFFECT: product with low element-impurity content. ^ 1 cl, 1 ex, 1 tbl, 5 dwg |
