1.2 样品制备 1.2.1 LiMn2O4 和 LiLa0.02Mn1.98O4 正极材料的制备 以 LiNO3 为锂源,以 Mn(CH3COO)2ꞏ4H2O 和 La(CH3COO)2ꞏxH2O 为锰源和镧源,按照目标产物 LiMn2O4 和 LiLa0.02Mn1.98O4 化学计量比配料,分别 准确称取硝酸锂,乙酸锰和醋酸镧,置于 300 mL 坩埚中,外加 9 mol/L 的 HNO3 ...
First, hydroxide or carbonate precursors were precipitated from aqueous solutions of either TM sulfates (NiSO4·6H2O, MnSO4·H2O and CoSO4·7H2O, Sigma Aldrich, (St. Louis, MO, USA), ≥99%) or acetates ((CH3COO)2Ni·4H2O, (CH3COO)2Mn·4H2O and (CH3COO)2Co·4H2O, Sigma ...