LiNiO2 was prepared by reaction of stoichiometric amounts of thoroughly mixed LiOH· H2O and preoxidation nanometer scale Ni3O2（OH）4 powders in O2 at the temperature of 700℃ for 6h. The products were tested by ...LiNiO2 was prepared by reaction of stoichiometric amounts of thoroughly mixed LiOH· H2O and preoxidation nanometer scale Ni3O2（OH）4 powders in O2 at the temperature of 700℃ for 6h. The products were tested by XRD, XPS, SEM and electrochemistry methods. It was shown that product was LiNiO2 single phase, and the valence of nickel was + 3; the average size of it was 40nm; its initial charge specific capacity is 168mAh· g- 1 and the coulomb efficiency is 90% ; the second charge specific capacity is 160mAh· g- 1 and the coulomb efficiency is 96% .展开更多
文摘LiNiO2 was prepared by reaction of stoichiometric amounts of thoroughly mixed LiOH· H2O and preoxidation nanometer scale Ni3O2（OH）4 powders in O2 at the temperature of 700℃ for 6h. The products were tested by XRD, XPS, SEM and electrochemistry methods. It was shown that product was LiNiO2 single phase, and the valence of nickel was + 3; the average size of it was 40nm; its initial charge specific capacity is 168mAh· g- 1 and the coulomb efficiency is 90% ; the second charge specific capacity is 160mAh· g- 1 and the coulomb efficiency is 96% .
