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DOPED CARBON-SULFUR SPECIES NANOCOMPOSITE CATHODE FOR LI-S BATTERIES
DOPED CARBON-SULFUR SPECIES NANOCOMPOSITE CATHODE FOR LI-S BATTERIES
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机译:用于锂电池的掺杂碳-硫物种纳米复合阴极
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摘要
We report a heteroatom-doped carbon framework that acts both as conductive network and polysulfide immobilizer for lithium-sulfur cathodes. The doped carbon forms chemical bonding with elemental sulfur and/or sulfur compound. This can significantly inhibit the diffusion of lithium polysulfides in the electrolyte, leading to high capacity retention and high coulombic efficiency.
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