Ultrathin 2D graphitic carbon nitride @ metal films: underpotential sodium deposition in adlayers for sodium-ion batteries.

08:00 EDT 10th March 2020 | BioPortfolio

Summary of "Ultrathin 2D graphitic carbon nitride @ metal films: underpotential sodium deposition in adlayers for sodium-ion batteries."

Efficient and low-cost anode materials for the sodium-ion battery are highly desired to enable more economic energy storage. We describe here effects on an ultrathin carbon nitride film deposited on a copper metal electrode, the combination of which show an unusually high capacity to store sodium metal. The g-C 3 N 4 film is as thin as 10 nm and can be fabricated by an efficient, facile, and general chemical-vapor deposition method. A high reversible capacity of formally up to 51 Ah g -1 indicates that the Na is not only stored in the carbon nitride as such, but that carbon nitride activates also the metal for reversible Na-deposition, while forming at the same time an solid electrolyte interface layer avoiding direct contact of the metallic phase with the liquid electrolyte.


Journal Details

This article was published in the following journal.

Name: Angewandte Chemie (International ed. in English)
ISSN: 1521-3773


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