4.8 Article

Steam-Etched Spherical Carbon/Sulfur Composite with High Sulfur Capacity and Long Cycle Life for Li/S Battery Application

Journal

ACS APPLIED MATERIALS & INTERFACES
Volume 7, Issue 6, Pages 3590-3599

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/am5075562

Keywords

spherical carbon material; large pore volume; lithium sulfur battery; carbon-sulfur composite; water-steam activation

Funding

  1. National Natural Science Foundation of China [51202242]

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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 degrees C. The spherical carbon is prepared via in situ steam etching method, which has the advantages of low cost and easy scale up.

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