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

Angewandte Chemie
Kai XiaoMarkus Antonietti

Abstract

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.

References

Nov 11, 2008·Nature Materials·Xinchen WangMarkus Antonietti
Feb 28, 2014·Angewandte Chemie·Menny ShalomMarkus Antonietti
Aug 27, 2014·ACS Applied Materials & Interfaces·Paul R AbelC Buddie Mullins
Nov 13, 2014·Chemical Reviews·Naoaki YabuuchiShinichi Komaba
Aug 15, 2015·Advanced Materials·Xingde XiangJun Chen
Jan 20, 2016·Accounts of Chemical Research·Wei LuoLiangbing Hu
Feb 13, 2016·Chemical Society Reviews·Jian LiuMarkus Antonietti
May 11, 2016·ACS Central Science·Zhi Wei SehYi Cui
Jul 19, 2016·Nature Materials·Hiroki ArazoeTakuzo Aida
Jul 12, 2017·Advanced Materials·Jiantie XuJong-Beom Baek
Nov 21, 2018·Chemical Society Reviews·Zhenhui LiuLiqiang Mai
Jan 10, 2019·Nature Communications·Kai XiaoMarkus Antonietti
Jul 13, 2019·Angewandte Chemie·Guo-Ming WengAndré D Taylor
Jan 30, 2020·Advanced Materials·Paolo GiustoMarkus Antonietti

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Methods Mentioned

BETA
AFM
scanning
atomic force microscopy
NMR

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