Synthesis of Lithium Metal Oxide Nanoparticles by Induction Thermal Plasmas
AbstractLithium metal oxide nanoparticles were synthesized by induction thermal plasma. Four different systems—Li–Mn, Li–Cr, Li–Co, and Li–Ni—were compared to understand formation mechanism of Li–Me oxide nanoparticles in thermal plasma process. Analyses of X-ray diffractometry and electron microscopy showed that Li–Me oxide nanoparticles were successfully synthesized in Li–Mn, Li–Cr, and Li–Co systems. Spinel structured LiMn2O4 with truncated octahedral shape was formed. Layer structured LiCrO2 or LiCoO2 nanoparticles with polyhedral shapes were also synthesized in Li–Cr or Li–Co systems. By contrast, Li–Ni oxide nanoparticles were not synthesized in the Li–Ni system. Nucleation temperatures of each metal in the considered system were evaluated. The relationship between the nucleation temperature and melting and boiling points suggests that the melting points of metal oxides have a strong influence on the formation of lithium metal oxide nanoparticles. A lower melting temperature leads to a longer reaction time, resulting in a higher fraction of the lithium metal oxide nanoparticles in the prepared nanoparticles. View Full-Text
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Tanaka, M.; Kageyama, T.; Sone, H.; Yoshida, S.; Okamoto, D.; Watanabe, T. Synthesis of Lithium Metal Oxide Nanoparticles by Induction Thermal Plasmas. Nanomaterials 2016, 6, 60.
Tanaka M, Kageyama T, Sone H, Yoshida S, Okamoto D, Watanabe T. Synthesis of Lithium Metal Oxide Nanoparticles by Induction Thermal Plasmas. Nanomaterials. 2016; 6(4):60.Chicago/Turabian Style
Tanaka, Manabu; Kageyama, Takuya; Sone, Hirotaka; Yoshida, Shuhei; Okamoto, Daisuke; Watanabe, Takayuki. 2016. "Synthesis of Lithium Metal Oxide Nanoparticles by Induction Thermal Plasmas." Nanomaterials 6, no. 4: 60.