Inverse Vulcanization of Elemental Sulfur to Prepare Polymeric Electrode Materials for Li–S Batteries
ACS Macro Letters2014Vol. 3(3), pp. 229–232
Citations Over TimeTop 1% of 2014 papers
Adam G. Simmonds, Jared J. Griebel, Jungjin Park, Kwi Ryong Kim, Woo Jin Chung, Vladimir P. Oleshko, Jenny Kim, Eui‐Tae Kim, Richard S. Glass, Christopher L. Soles, Yung‐Eun Sung, Kookheon Char, Jeffrey Pyun
Abstract
Sulfur-rich copolymers based on poly(sulfur-random-1,3-diisopropenylbenzene) (poly(S-r-DIB)) were synthesized via inverse vulcanization to create cathode materials for lithium-sulfur battery applications. These materials exhibit enhanced capacity retention (1005 mAh/g at 100 cycles) and battery lifetimes over 500 cycles at a C/10 rate. These poly(S-r-DIB) copolymers represent a new class of polymeric electrode materials that exhibit one of the highest charge capacities reported, particularly after extended charge-discharge cycling in Li-S batteries.
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