Fabrication of LiCoO2 cathode powder for thin film battery by aerosol flame deposition

Synthesis and improved electrochemical performance of LiCo1‐xSnxO2 (x= 0 to 0.1) powders

“…485 and 595 cm -1 for Sn-doped LiCoO 2 , whose frequencies belong to the E g and A 1g vibrational species respectively. The results are in good agreement with those reported by Lee et al [25]. The RS spectrum of the LiCo 0.90 Sn 0.1 O 2 sample displays both the E g and A 1 g peaks monotonically blueshift and the line shape became sharper as the crystallite size increases as discussed in XRD results [26].…”

Improvement of the cycle life of LiCoO2 powder by Sr doping

“…This may be due to an increase in grain size. The Raman spectrum of pristine LiCoO 2 was dominated by strong band around at 594 cm −1 accompanied by a still broader band at 484 cm −1 and these peaks are assigned as A 1g and E g vibration modes in the hexagonal R-3m space group, which are in good agreement with those reported by Lee et al [26]. The Raman studies reveal that the synthesized pristine LiCoO 2 is of high purity.…”

“…For a cation-disordered rocksalt structure, we know that the c/a should be 4.899( √ 24) [25]. As seen from Table 1 decreases to 0.98 for 10 mol% of Sr, less than the critical value of 1.2 [26], suggests that cation mixing happens at higher doping level. The 10 mol% Sr-doped sample has merged form of the (0 0 6) and (1 0 2) as well as (1 0 8) and (1 1 0) diffraction lines indicate that a disordered distribution of lithium and transition metal ions exist in the structure [27].…”

Tin Oxide Thin Film with Three‐Dimensional Ordered Reticular Morphology as a Lithium Ion Battery Anode

“…[1][2][3][4] In order to improve lithium microbattery electrochemical performance, recent research has focused on anode and cathode thin-film electrode materials produced by various methods. [5][6][7][8] A high surface-to-volume ratio can enhance electrochemical and kinetic properties. Tin and tin oxides, which have high capacities (Sn: 994 mAh g À1 , and SnO 2 : 781 mAh g À1 ) [9,10] compared to that of graphite (theoretical capacity 372 mAh g À1 ), have been proposed as alternative anode materials.…”