S-Doped N-Rich Carbon Nanosheets with Expanded Interlayer Distance as Anode Materials for Sodium-Ion Batteries.
basic_science · Level V
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- Record sourced from PubMed, PMID 27885733.
- Also identified by DOI 10.1002/adma.201604108.
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Abstract
2D composites with S doping into N-rich carbon nanosheets are fabricated, whose interlayer distance becomes large enough for Na<sup>+</sup> insertion and diffusion. The large surface area and stable structure also provide more sites for Na<sup>+</sup> adsorption, leading to high Na-storage capacity and excellent rate performance. Moreover, Faradaic reactions between Na<sup>+</sup> and tightly bound S is beneficial for further improvement of Na-storage capacity.