Fig. 4: Electrochemical stability of the Li|SPEs|Li symmetric cells.
From: Interfacial self-healing polymer electrolytes for long-cycle solid-state lithium-sulfur batteries
a Internal structure of Li|PEO|Li. b, c Ultrasonic transmission images of a Li|PEO|Li pouch cell during the first 10 cycles (b) and the corresponding ultrasonic waves (c). d The internal structure of Li|PTMG-HDI-BHDS|Li. e, f Ultrasonic transmission images of the Li|PTMG-HDI-BHDS|Li pouch cell during the first 10 cycles (e) and the corresponding ultrasonic waves (f). g Galvanostatic cycling of a Li|PTMG-HDI-BHDS|Li coin cell at 0.2 mA cm−2. Inset: representative voltage profiles. h Rate capabilities of the Li|SPEs|Li symmetric cells. i, j Depth-profiled XPS datas for the cycled Li anodes in (i) Li|PEO|Li and (j) Li|PTMG-HDI-BHDS|Li cells.
