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。
A spherical cathode material LiNi0.7 Co0. 2 Al0.1 O2 was synthesized by melting - salts coating process in air using spherical Ni （OH）2 as core material, AI（ NO3 ）3· 9H2 O, Co（ NO3 ）2 · 6H2O and LiNO3 as coating materials. Th~ 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. 7 Co0. 2 Al0.1O2 has the α-NaFeO2 type ordered layered structure, spherical morphology and excellent electrochemical performance.
出处
《中山大学学报（自然科学版）》
CAS
CSCD
北大核心
2007年第B06期95-96,99,共3页
Acta Scientiarum Naturalium Universitatis Sunyatseni
基金
广西自然科学基金资助项目(0575100)
广西教育厅科研资助项目(0420022)
