Table 5 Performances of LMOs coated with various materials
From: Lithium resources and novel strategies for their extraction and purification
Coating material | LMO precursors | Brine | pH | Li uptake (mg·g−1) | Mn loss (%) | Desorption acid | Recyclability | Reference |
---|---|---|---|---|---|---|---|---|
SiO2 | LiMn2O4 | Salt lake brine, 384 (mg·L−1) | 9 | 18.5 | 6.3 | 0.1 M HCl | 7 cycles, 82.7% | |
ZrO2 | Li1.6Mn1.6O4 | Salt lake brine, 65-70 (mg·L−1) | - | 25.96 | 0.349 | 0.1 M HCl | 15 cycles, 92.2% | |
Al-oxide | Li1.33Mn1.67O4 | Natural brine, 1470 (mg·L−1) | 6.5 | 42.5 | 0.8 | 0.25M H2SO4 | 4 cycles, ~85% | |
Ni-oxide | Li1.33Mn1.67O4 | Natural brine, 1470 (mg·L−1) | 6.5 | 45 | 0.9 | 0.25M H2SO4 | 4 cycles, ~80% |