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Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
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Steam-etched spherical carbon/sulfur composite with high sulfur capacity and long cycle life for Li/S battery
Meiri Wang1, Hongzhang Zhang, Qian Wang
1Energy Storage Division, Dalian Institute of Chemical Physics, Chinese Academy of Sciences , Dalian 116023, China.
ACS Applied Materials & Interfaces
|January 27, 2015
Abstract:
Spherical carbon material with large pore volume and specific area was designed for lithium/sulfur (Li/S) soft package battery cathode with sulfur loading over 75%, exhibiting good capacity output (about 1300 mAh g(-1)-S) and excellent capacity retention (70% after 600 cycles) at 0.1 C. The spherical carbon is prepared via in situ steam etching method, which has the advantages of low cost and easy scale up.
Keywords:
carbon−sulfur compositelarge pore volumelithium sulfur batteryspherical carbon materialwater−steam activation
