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Carbon-doped SiO2 is synthesized by the in situ carbonization of halloysite. Carbon atoms partially substitute O atoms to form Si-C bonds and manipulate the localized electronic states of Si atoms,… Click to show full abstract
Carbon-doped SiO2 is synthesized by the in situ carbonization of halloysite. Carbon atoms partially substitute O atoms to form Si-C bonds and manipulate the localized electronic states of Si atoms, thereby endowing SiO2 with suitable adsorption strength and reducing the activation energy barrier for polysulfides in the sulfur redox. The C-SiO2/S cathodes for Li-S batteries exhibited superior electrochemical performance.
Keywords:
silicon oxide;
carbon doping;
enhanced redox;
endows silicon;
oxide enhanced;
doping endows
Journal Title: Chemical communications
Year Published: 2022
Link to full text (if available)
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Journal Title: Chemical communications
Year Published: 2022
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!