fig13
Figure 13. (A-C) Photographs of fully dried PEO SPE, ABL, and PPC SPE; (D) Cross-sectional SEM images of Li|Li symmetric cells without ABL layer after cycling; (E) Cross-sectional SEM images of Li|Li symmetric cells with ABL layer after cycling; (F) Nyquist plots of full cell before and after cycling at 50 °C. Figure 13A-F is reprinted with permission from Ref. [169], Copyright © 2019 American Chemical Society; (G) Illustration of Tween-grafted lithium metal; Figure 13G is reprinted with permission from Ref. [170], Copyright © 2018 American Chemical Society. PEO: Polyethylene oxide; SPE: solid polymer electrolyte; ABL: adaptive layer; PPC: polypropylene carbonate; SEM: scanning electron microscopy; W/O: without; CPE: constant phase element.



