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One step production of in-situ nitrogen doped mesoporous carbon confined sulfur for lithium-sulfur batteries.  
One step production of in-situ nitrogen doped mesoporous carbon confined sulfur for lithium-sulfur batteries.
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关键词: Nitrogen  doped  mesoporous  carbon  lithium-sulfur  batteries  
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To satisfy the demand for efficient energy storage employed insmart grids, electric vehicles and renewable energies,development of novel battery systems with remarkable specific capacity, low-cost and eco-friendly becomes an imminent task forresearchers. Compared with the traditional lithium ion batteries(LIBs), lithium-sulfur (Li-S) batteries have attracted increasingattention as the next-generation energy storage devices, owing totheir extremely high theoretical specific capacity (1675 mAh g ?1)and energy density (2600 Wh kg ?1) of sulfur. In addition, sulfuris low-cost, earth abundant and eco-friendly, making this system attractive for large scale applications.1 Despite these considerableadvantages, the commercialization of Li-S battery is sloweddown by several technical limitations. First, the poor intrinsicconductivity of pristine sulfur results in low utilization of sulfurcathode;2 second, the dissolution and migration of polysulfideintermediates produced during electrochemical reactions leads tothe loss of active mass.
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上传时间: 2019-02-18 11:24:09
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