Journal
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
Volume 53, Issue 2, Pages 173-177Publisher
WILEY
DOI: 10.1002/pola.27314
Keywords
copolymerization; inverse vulcanization; Li-S batteries; sulfur; Trommsdorf effect
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Funding
- NSF [CHE-1305773]
- WCU Program through the NRF of Korea - Ministry of Education, Science, and Technology [R31-10013]
- NRF for the National Creative Research Initiative Center for Intelligent Hybrids [2010-0018290]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1305773] Funding Source: National Science Foundation
- National Research Foundation of Korea [2010-0018290] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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 S-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. (c) 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2015, 53, 173-177
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