The Effect of Oxygen Pressure on the Synthesis of LiNiO2 |
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| Journal | Solid State Phenomena (Volumes 124 - 126) |
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| Volume | Advances in Nanomaterials and Processing |
| Edited by | Byung Tae Ahn, Hyeongtag Jeon, Bo Young Hur, Kibae Kim and Jong Wan Park |
| Pages | 1043-1046 |
| DOI | 10.4028/www.scientific.net/SSP.124-126.1043 |
| Citation | B.H. Kim et al., 2007, Solid State Phenomena, 124-126, 1043 |
| Online since | June, 2007 |
| Authors | B.H. Kim, J.H. Kim, M.Y. Song, Takashi Ida, N. Ishizawa |
| Keywords | Cathode Material, Cation Mixing, Emulsion, LiNiO2, Oxygen Pressure, Synthesis |
| Abstract | To investigate the effect of oxygen pressure on the synthesis of LiNiO2 cathode material for Li secondary battery, powder was prepared by emulsion method and calcined at 750°C for 24 h under various oxygen gas pressures. LiNiO2 single phase could be synthesized under oxygen pressure of 101.3~103.3 kPa but not under air atmosphere. Cation mixing in Li site of LiNiO2 lowered as oxygen pressure increased and was saturated around 103.3 kPa. The lowest cation mixing, 7.0% of Ni3+ in the Li site was obtained at 750°C for 24 h under 103.3 kPa of oxygen pressure. |
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