Kilogram scale inverse vulcanization of elemental sulfur to prepare high capacity polymer electrodes for Li‐S batteries. Issue 2 (25th July 2014)

• Record Type: Journal Article
• Authors: Griebel, Jared J.; Li, Guoxing; Glass, Richard S.; Char, Kookheon; Pyun, Jeffrey
• Is Part Of: Journal of polymer science. Volume 53:Issue 2(2015:Jan.)
• Page Start: 173
• Page End: 177
• Publication Date: 2014-07-25
• Subjects: 547
• DOI: 10.1002/pola.27314
• Languages: English
• ISSNs: 0887-624X

Abstract

<abstract abstract-type="main"> <title>ABSTRACT</title> <p>The synthesis of high content sulfur copolymers via the inverse vulcanization of elemental sulfur and 1, 3‐diisopropenylbenzene (DIB) on a one‐kilogram scale is reported in a single step process. Investigation into the effects of temperature, reaction scale, and comonomer feed ratios on the inverse vulcanization process of <italic>S</italic>₈ and DIB were explored to suppress the Trommsdorf effect and enable large scale synthesis of these copolymers. The copolymers were then successfully used as the active cathode materials in Li‐S batteries, exhibiting enhanced capacity retention and battery lifetimes (608 mAh/g at 640 cycles) at a C/10 rate. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. <bold>2015</bold>, <italic>53</italic>, 173–177</p> </abstract>