Journal
CARBON
Volume 93, Issue -, Pages 161-168Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2015.05.044
Keywords
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Funding
- UNSW Australia
- University of Queensland
- UNSW FRG/ECR scheme
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Percolating carbon nanoparticles were added into electrolyte to improve the performance of Li-S batteries. These percolating carbon nanoparticles acted as dispersible nanosized electrodes, allowed the direct electrochemical utilization of dissolved polysulfides in electrolyte, and mitigated the polysulfide shuttle. As a result, the polysulfide utilization was improved with the virtual sulfur capacity increasing from 538 mA h g(-1) to 1270 mA h g(-1). The increment in high plateau-sloping capacity is 43% while a much more significant 158% increment is observed in low plateau region. The percolating carbon nanoparticles also improved the battery stability. (C) 2015 Elsevier Ltd. All rights reserved.
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