Ying WANG, Wenlong ZHANG, Yanfeng XING, suqun CAO, Xinyi DAI, Jingze LI. Performance of Amorphous Lithium Phosphate Coated Lithium Titanate Electrodes in Extended Working Range of 0.01-3.00 V [J]. Journal of Inorganic Materials, 2021, 36(9): 999
- Journal of Inorganic Materials
- Vol. 36, Issue 9, 999 (2021)
1. XRD patterns of pristine electrode LTOLPO00 and coated electrodes LTOLPO10, LTOLPO20 and LTOLPO40
2. SEM images of pristine electrode LTOLPO00 (a) and coated electrodes LTOLPO10 (b), LTOLPO20 (c), and LTOLPO40 (d)
3. (a, c) First two discharge-charge curves at 35 mA∙g-1, 22nd discharge-charge curve at 175 mA∙g-1 and (b, d) the corresponding differential capacity plots of (a, b) pristine electrode LTOLPO00 and (c, d) coated electrode LTOLPO20
4. (a) Rate performance and (b) long cycle performance of LTOLPO00-LTOLPO40
5. XRD patterns and (b) Raman spectra of LTOLPO00 and LTOLPO20 before and after discharge-charge tests with inset in (b) showing magnification of Raman shift at 233 cm-1
6. EIS plots and the fitted data of (a) LTOLPO00 and (b) LTOLPO20 after discharge-charged for 10 and 100 cycles with insets showing the corresponding equivalent circuits
S1. FT-IR absorption spectra of Li3PO4 sputtered on copper foil for 60 min
S2. EDS result of Li4Ti5O12 electrode sputtered for 40 min (LTOLPO40)
S3. SEM images of (a)primary electrode and (b)Li3PO4 modified electrode (LTOLPO40) after being cycled for 100 times
S4. Cycle performance and galvanostatic discharge-charge test profiles of LTOLPO60
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Table 1.
Fitted data for EIS plots of LTOLPO00 and LTOLPO20 at given cycles
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