4.6 Article

Inverse vulcanization of elemental sulfur with 1,4-diphenylbutadiyne for cathode materials in Li-S batteries

Journal

RSC ADVANCES
Volume 5, Issue 31, Pages 24718-24722

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra01188d

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Funding

  1. NSF [CHE-1305773]
  2. University of Arizona Renewable Energy Network
  3. WCU Program through NRF of Korea - Ministry of Education, Science and Technology [R31-10013]
  4. University of Delaware Department of Materials Science and Engineering
  5. NRF [2010-0018290]
  6. Division Of Chemistry
  7. Direct For Mathematical & Physical Scien [1305773] Funding Source: National Science Foundation

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High sulfur content copolymers were prepared via inverse vulcanization of sulfur with 1,4-diphenylbutadiyne (DiPhDY) for use as the active cathode material in lithium-sulfur batteries. These sulfur-rich polymers exhibited excellent capacity retention (800 mA h g(-1) at 300 cycles) and extended battery lifetimes of over 850 cycles at C/5 rate.

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