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  Sodium storage with high plateau capacity in nitrogen doped carbon derived from melamine–terephthalaldehyde polymers

Ilic, I., Schutjajew, K., Zhang, W., & Oschatz, M. (2021). Sodium storage with high plateau capacity in nitrogen doped carbon derived from melamine–terephthalaldehyde polymers. Journal of Materials Chemistry A, 9(13), 8711-8720. doi:10.1039/D0TA10960F.

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Genre: Journal Article

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 Creators:
Ilic, Ivan1, Author              
Schutjajew, Konstantin2, Author              
Zhang, Wuyong2, Author              
Oschatz, Martin2, Author              
Affiliations:
1Clemens Liedel, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2288694              
2Martin Oschatz, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2364733              

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 Abstract: Sodium, one of the most widespread metals in the earth’s crust, can be mined virtually everywhere and holds great promise as an electroactive material batteries to compete with commercial lithium-ion batteries in terms of price and availability. However, sodium, unlike lithium, cannot be intercalated in graphite and therefore there is a need to develop sodium anodes from alternative abundant and low-cost materials. Here we show that one-step carbonisation of melamine–terephthalaldehyde mixtures, both low-cost chemicals available on an industrial scale, yields carbons with promising properties as anodes for sodium-ion batteries. The produced materials apparently contain a large number of small pores, unreachable to gas molecules, which can store sodium (in a quasi-metallic state) as Na(0). The carbon shows plateau behaviour above and below 0 V vs. Na/Na+, with a capacity of up to 170 mA h g−1 until bulk sodium plating occurs. Additionally, for 60 cycles the carbon shows high stability, exhibiting low degradation and efficiencies close to 100. This report is a first step towards the use of nitrogen-doped carbon materials from low-cost, industrially widespread precursors as anodes for sodium-ion batteries.

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Language(s): eng - English
 Dates: 2021-02-262021
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: DOI: 10.1039/D0TA10960F
BibTex Citekey: D0TA10960F
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Title: Journal of Materials Chemistry A
  Abbreviation : J. Mater. Chem. A
Source Genre: Journal
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Publ. Info: Cambridge, UK : Royal Society of Chemistry
Pages: - Volume / Issue: 9 (13) Sequence Number: - Start / End Page: 8711 - 8720 Identifier: ISSN: 2050-7488