Pyrolysis temperature dependence of sodium storage mechanism in non-graphitizing carbons

Autor: Hélène Tonnoir, Da Huo, Carine Davoisne, Alain Celzard, Vanessa Fierro, Damien Saurel, Mimoun El Marssi, Manal Benyoussef, Philippe Meunier, Raphaël Janot

Publikováno v: Carbon
Carbon, 2023, 208, pp.216-226. ⟨10.1016/j.carbon.2023.03.055⟩

International audience; Hard carbons are the most investigated materials as negative electrode for Na-ion batteries, although the exact mechanism of sodium storage remains under debate. This work is focused on the study of the sodiation mechanism of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::11e33250665dacc48056eda7360f041c
https://hal-u-picardie.archives-ouvertes.fr/hal-04082075

Mg3(BH4)4(NH2)2 as Inorganic Solid Electrolyte with High Mg2+ Ionic Conductivity

Autor: Benoit Fleutot, Ronan Le Ruyet, Yaroslav Filinchuk, Raphaël Janot, Yasmine Benabed, Geoffroy Hautier, Romain Berthelot

Publikováno v: ACS Applied Energy Materials
ACS Applied Energy Materials, ACS, 2020, 3 (7), pp.6093-6097. ⟨10.1021/acsaem.0c00980⟩
ACS Applied Energy Materials, 2020, 3 (7), pp.6093-6097. ⟨10.1021/acsaem.0c00980⟩
ACS Applied Energy Materials, Vol. 3, no.7, p. 6093-6097 (2020)

International audience; Mg 3 (BH 4) 4 (NH 2) 2 compound was synthesized through the investigation of the Mg(BH 4) 2-Mg(NH 2) 2 phase diagram; its crystal structure was solved in a tetragonal unit cell with the space group I4̅. Interestingly, Mg 3 (B

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b119994dc29e0a0a0adcc73078a1ed18
https://doi.org/10.1021/acsaem.0c00980

Enhancement of the hydrogen release of Mg(BH4)2 by concomitant effects of nano-confinement and catalysis

Autor: Jean-Noël Chotard, Raphaël Janot, D. Clémençon, Carine Davoisne

Publikováno v: International Journal of Hydrogen Energy
International Journal of Hydrogen Energy, Elsevier, 2019, 44 (8), pp.4253-4262. ⟨10.1016/j.ijhydene.2018.12.143⟩

International audience; Magnesium borohydride, Mg(BH4)2, is an interesting material for hydrogen storage due to its high hydrogen content (14.9 wt.% of H2). Unfortunately, a temperature of at least 350 °C is needed for releasing its hydrogen and the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c836c69a78a004a6f0bb66f709bf723e
https://doi.org/10.1016/j.ijhydene.2018.12.143

Impact of Preoxidation Treatments on Performances of Pitch-Based Hard Carbons for Sodium-Ion Batteries

Autor: Raphaël Janot, Carine Davoisne, Philippe Meunier, Nour Daher, Da Huo

Publikováno v: ACS Applied Energy Materials
ACS Applied Energy Materials, ACS, 2020, 3 (7), pp.6501-6510. ⟨10.1021/acsaem.0c00727⟩

International audience; Recently, sodium-ion batteries have been intensively studied as an alternative to lithium-ion batteries because of the abundance of sodium and its ability, for example, to answer to smart grid energy storage applications. Amon

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8418a45090e7214be3e7007dba952d53
https://hal.archives-ouvertes.fr/hal-03025358/document

Nuclear magnetic resonance study of anion and cation dynamics in CsSiH3

Autor: Terrence J. Udovic, Alexei V. Soloninin, Olga A. Babanova, Mirjana Dimitrievska, Alexander V. Skripov, Raphaël Janot, Jean-Noël Chotard, Wan Si Tang, Roman V. Skoryunov

Publikováno v: Journal of Alloys and Compounds
Journal of Alloys and Compounds, Elsevier, 2019, 781, pp.913-918. ⟨10.1016/j.jallcom.2018.12.162⟩

In order to study the dynamical properties of cesium silanide CsSiH3, we have measured the 1H and 133Cs nuclear magnetic resonance (NMR) spectra and spin-lattice relaxation rates in this compound over the temperature range of 5–354 K. The results o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::360f4e9f80cd947ba513051c64dbd512
https://hal.archives-ouvertes.fr/hal-02387248/document