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. 2021 Jan 15;7(3):eabd6978. doi: 10.1126/sciadv.abd6978

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Copyright © 2021 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 3 — (A to D) Schematic illustrations of the cross-sectional view of the V₂O₅ NW/MWCNT fiber, V₂O₅ NWs/MWCNTs@gel electrolyte fiber, V₂O₅ NWs/MWCNTs@gel electrolyte@VN NW/MWCNT fiber, and the 3D printing coaxial FASC device struts. The cross-sectional SEM images of (E) V₂O₅ NW/MWCNT fiber, (F) V₂O₅ NWs/MWCNTs@gel electrolyte fiber, (G) V₂O₅ NWs/MWCNTs@gel electrolyte@VN NW/MWCNT fiber, and (H) the 3D printing coaxial FASC device by DCMW. (I to N) The printed FASC device with different patterns. Scale bars, 50 μm (E and F), 100 μm (G and H), and 10 mm (I to N). Photo credit: (I to N) Hongyu Lu, Xi’an University of Technology.