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Abstract:
Along with the constantly evolving functional microsystems toward more diversification, the more rigorous design deliberation of pursuing higher mass-loading of electrode materials and low-temperature fabrication compatibility have imposed unprecedented demand on integrable all-solid-state thin-film microbatteries. While the classic thin-film intercalation cathode prepared by vacuum-based techniques inevitably encountered a post-annealing process, tape-casting technologies hold great merits both in terms of high-mass loading and low-temperature processing. In this work, a novel microbattery configuration is developed by the combination of traditional tape-casting thick electrodes and sputtered inorganic thin-film solid electrolytes (similar to 3 mu m lithium phosphorus oxynitride). Enabled by physically pressed or vapor-deposited Li as an anode, solid-state batteries with tape-casted LiFePO4 electrodes exhibit outstanding cyclability and stability. To meet integration requirements, LiFePO4/LiPON/Si microbatteries were successfully fabricated at low temperatures and found to achieve a wide operating temperature range. This novel configuration has good prospects in promoting the thin-film microbattery enabling a paradigm shift and satisfying diversified requirements.
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INTERDISCIPLINARY MATERIALS
ISSN: 2767-4401
Year: 2024
Issue: 4
Volume: 3
Page: 621-631
2 4 . 5 0 0
JCR@2023
Cited Count:
SCOPUS Cited Count: 8
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 6
Affiliated Colleges: