DOI: 10.1557/proc-548-49. Intercalation of Sodium-Potassium Alloys Into Graphite

Intercalation of Sodium-Potassium Alloys Into Graphite

10.1557/proc-548-49

Crossref journal-article

Springer Science and Business Media LLC

MRS Proceedings (297)

Abstract

ABSTRACTThe intercalation, at room temperature, of the sodium-potassium eutectic into graphite is performed, in a glove box under purified argon. It leads to a high alkali metal content powder. The annealing under vacuum, at 200°C for two days leads to a pure first stage compound whose formula is NaK2C12 with a color and a structure close to that of KC8. This phase is unstable and decomposes slowly in a mixture of KC8 and free alloy. However, this free alloy, which is liquid at room temperature, remains as inclusions between the graphene layers and the compound remains as a powder which can be useful for some applications when one needs large quantities of an alkali metal “solid” at room temperature, e.g. for gas purification (it reacts with oxygen and with moisture), for rapid and intense heat provider (it burns in air and the carbon is also participating to the heating), for ionic polymerization catalyst…

Bibliography

Antoine, L., Gachon, J. C., & Guerard, D. (1998). Intercalation of Sodium-Potassium Alloys Into Graphite. MRS Proceedings, 548.

Authors 3

L. Antoine (first)
J.C. Gachon (additional)
D. Guerard (additional)

References 5 Referenced 4

10.1016/0379-6779(80)90071-5
10.1088/0022-3719/2/10/305
10.1038/181409a0
{'key': 'S1946427400292920_ref001', 'first-page': '2377', 'volume-title': 'in Binary Alloy Phase Diagrams, Second Edition', 'volume': '3', 'author': 'Massalski', 'year': '1990'} / in Binary Alloy Phase Diagrams, Second Edition by Massalski (1990)
5. The heat of fusion was determined by L. Antoine for different Na/K ratios and presents a maximum for compositions close to Na2K.

Dates

Type	When
Created	14 years, 4 months ago (April 5, 2011, 9:29 a.m.)
Deposited	4 years, 6 months ago (Feb. 24, 2021, 4:43 p.m.)
Indexed	1 year, 4 months ago (April 18, 2024, 9:59 a.m.)
Issued	27 years, 7 months ago (Jan. 1, 1998)
Published	27 years, 7 months ago (Jan. 1, 1998)
Published Online	14 years, 6 months ago (Feb. 10, 2011)
Published Print	27 years, 7 months ago (Jan. 1, 1998)

Funders 0

None

BibTeX

@article{Antoine_1998, title={Intercalation of Sodium-Potassium Alloys Into Graphite}, volume={548}, ISSN={1946-4274}, url={http://dx.doi.org/10.1557/proc-548-49}, DOI={10.1557/proc-548-49}, journal={MRS Proceedings}, publisher={Springer Science and Business Media LLC}, author={Antoine, L. and Gachon, J.C. and Guerard, D.}, year={1998} }

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