【摘要】 以球形Ni(OH)2为核心原料,Al(NO3)3.9H2O、Co(NO3)2.6H2O和LiNO3为包裹原料,采用融盐包裹法在空气中煅烧合成了单相固溶体LiNi0.7Co0.2Al0.1O2。用XRD研究了合成产物的物相和结构,用SEM研究了合成产物的形貌,用电池性能测试仪研究了合成产物的电化学性能。实验结果表明,合成产物具有α-NaFeO2型层状有序结构、球状形貌和良好的电化学性能。更多还原

【Abstract】 A spherical cathode material LiNi0.7Co0.2Al0.1O2 was synthesized by melting-salts coating process in air using spherical Ni(OH)2 as core material, Al(NO3)3·9H2O、Co(NO3)2·6H2O and LiNO3 as coating materials. The crystal structure, morphology and electrochemical performance of the synthesized powder were characterized by XRD, SEM and charge-discharge experiments. The experimental results show that the synthesized powder LiNi0.7Co0.2Al0.1O2 has the α-NaFeO2 type ordered layered structure, spherical morphology and excellent electrochemical performance.更多还原