Table 4 The specific surface area, mean particle size and crystallite size of LiCoO2 prepared with different precursors
SSA (m2/g) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Annealed | 1-LiOPh | 8-LiOtBu | 9-(LiOPh + LiOtBu) | 10-LiOiPr | 12-LiOMe | 11-LiOEt | ||||||
500 °C | 9.46 (025) | 16.50 (0.2) | 9.62 (0.2) | 11.50 (0.3) | 19.70 (0.12) | not measured | ||||||
600 °C | 2.59 (0.015) | 12.50 (0.14) | 0.95 (0.03) | 3.65 (0.05) | 8.00 (0.07) | 0.95 (0.01) | ||||||
700 °C | 0.50 (0.02) | 6.10 (0.17) | 0.78 (0.02) | 3.04 (0.05) | 5.50 (0.05) | 0.34 (0.02) | ||||||
Particle size (P)* and crystal size(C)** (nm) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
P(1) | C(1) | P(8) | C(8) | P(9) | C(9) | P(10) | C(10) | P(12) | C(12) | P(11) | C(11) | |
500 °C | 126 (2) | 50 (2) | 72 (1) | 60 (2) | 124 (2) | 75 (2) | 103 (2) | 40 (1) | 60 (1) | 50 (4) | Not measured | Not measured |
600 °C | 459 (2) | 45 (2) | 95 (1), 40*** | 45 (3) | 1251 (26) | 150 (3) | 326 (3) | 75 (1) | 149 (1), 15*** | 45 (1) | 1251 (9) | 110 (3) |
700 °C | 2376 (60) | 90 (2) | 195 (4) | 55 (2) | 1529 (26) | 185 (1) | 391 (4) | 295 (1) | 216 (1) | 170 (2) | 3494 (130) | 285 (1) |