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(a) Capacity density vs cycle number for cathode cycled between 4.2, 4.3, 4.4, 4.5, 4.6, 4.7 and 5 and with discharging current of [ (◇), (◻), (▵), (×), (—), (엯), and (+)]. (b) Capacity fade per cycle (%) of batteries with different charge cutoff voltages.
Bright-field images of and LiPON (a) after between 4.3 and and (b) after between 4.5 and .
Electron diffraction patterns of . (a) Pristine and after 50 electrochemical cycles between 4.3 and . Indexed with zone axis (ZA). (b) After between 4.5 and : zone , . (c) After between 4.5 and : zone axis. This diffraction pattern is also found for cycled between 4.7 and and 5 and . (d) After between 4.5 and : .
Dark-field images of thin-film taken with the (a) diffraction after between 4.5 and , (b) diffraction after between 4.5 and , (c) diffraction after between 5 and , and (d) diffraction after between 4.5 and .
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