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

Xiao, K., Chen, L., Yan, R., Oschatz, M., Jiang, L., & Antonietti, M. (2020). Ultrathin 2D graphitic carbon nitride on metal films: underpotential sodium deposition in adlayers for sodium-ion batteries. Angewandte Chemie International Edition, 59(23), 9067-9073. doi:10.1002/anie.202000314.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-E058-B Version Permalink: http://hdl.handle.net/21.11116/0000-0006-750B-B
Genre: Journal Article

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 Creators:
Xiao, Kai1, Author              
Chen, Lu2, Author              
Yan, Runyu3, Author              
Oschatz, Martin3, Author              
Jiang, Lei, Author
Antonietti, Markus2, Author              
Affiliations:
1Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863288              
2Markus Antonietti, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863321              
3Martin Oschatz, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2364733              

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Free keywords: sodium-ion battery, carbon nitride, 2D film, underpotential deposition, chemical-vapor deposition
 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.

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Language(s): eng - English
 Dates: 2020-03-102020
 Publication Status: Published in print
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Title: Angewandte Chemie International Edition
  Abbreviation : Angew. Chem., Int. Ed.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 59 (23) Sequence Number: - Start / End Page: 9067 - 9073 Identifier: ISSN: 1433-7851

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Title: Angewandte Chemie
  Abbreviation : Angew. Chem.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 132 (23) Sequence Number: - Start / End Page: 9152 - 9158 Identifier: ISSN: 0044-8249