Výsledky vyhledávání - "Céline Barchasz"

Akademický článek

Multiscale characterization of a lithium/sulfur battery by coupling operando X-ray tomography and spatially-resolved diffraction

Autor: Guillaume Tonin, Gavin Vaughan, Renaud Bouchet, Fannie Alloin, Marco Di Michiel, Laura Boutafa, Jean-François Colin, Céline Barchasz

Publikováno v: Scientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)

Abstract Due to its high theoretical specific capacity, the lithium/sulfur battery is one of the most promising candidates for replacing current lithium-ion batteries. In this work, we investigate both chemical and morphological changes in the electr

Externí odkaz: https://doaj.org/article/56599575a3b6473b8dbfc16865151601

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Elektronická kniha

Batteries Li-ion : Du présent au futur

Autor: Philippe Azaïs, Céline Barchasz, Michel Bardet, Anass Benayad, Bruno Béranger

Grâce à l'amélioration de leurs performances et la diminution de leur coût de fabrication, les accumulateurs au lithium initialement commercialisés en 1991 par SONY pour alimenter les équipements portables, jouent désormais un rôle-clef dans

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Operando X-ray absorption tomography for the characterization of lithium metal electrode morphology and heterogeneity in a liquid Li/S cell

Autor: Gavin Vaughan, Renaud Bouchet, Fannie Alloin, Guillaume Tonin, Céline Barchasz

Publikováno v: Journal of Power Sources
Journal of Power Sources, Elsevier, 2022, 520, pp.230854. ⟨10.1016/j.jpowsour.2021.230854⟩
Journal of Power Sources, 2022, 520, pp.230854. ⟨10.1016/j.jpowsour.2021.230854⟩

International audience; Lithium/sulfur batteries have been under intense study for the last two decades, due to the high specific capacity promised by elemental sulfur as an active material. Sulfur is also cheap, abundant and non-toxic compared to co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b6e9fa9825b84c6bb20c1eb0c66058bc
https://hal.archives-ouvertes.fr/hal-03519069

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Diagnostic of failure mechanisms in Li/S rechargeable batteries using thermal micro-calorimetry technique applied to pouch and cylindrical type cells

Autor: Benoit Chavillon, Laura Boutafa, Céline Barchasz, Eric Mayousse

Publikováno v: Electrochimica Acta. 292:974-981

Lithium/sulfur (Li/S) batteries have been under intense study over the last ten years, due to the growing interest in high gravimetric energy storage systems. In this work, isothermal micro-calorimetry technique was applied to pouch and cylindrical L

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0aaaef05c21106d127edb0297751e0ba
https://doi.org/10.1016/j.electacta.2018.09.167

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Electrochemical impedance spectroscopy study of lithium–sulfur batteries: Useful technique to reveal the Li/S electrochemical mechanism

Autor: Fannie Alloin, Renaud Bouchet, Céline Barchasz, Sylwia Waluś

Publikováno v: Electrochimica Acta
Electrochimica Acta, Elsevier, 2020, 359, pp.136944. ⟨10.1016/j.electacta.2020.136944⟩
Electrochimica Acta, 2020, 359, pp.136944. ⟨10.1016/j.electacta.2020.136944⟩

International audience; Electrochemical impedance spectroscopy (EIS) study was done in order to go deeper into the electro- chemical processes of Li/S battery in a common CR2032 coin-type cell. In order to separate the con- tributions of each electro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4023ee0d52278213f2649b95c380824
https://hal.archives-ouvertes.fr/hal-02925501/document

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Operando investigation of the lithium/sulfur battery system by coupled X-ray absorption tomography and X-ray diffraction computed tomography

Autor: Marco Di Michiel, Fannie Alloin, Gavin Vaughan, Céline Barchasz, Renaud Bouchet, Guillaume Tonin

Publikováno v: Journal of Power Sources
Journal of Power Sources, 2020, 468, pp.228287. ⟨10.1016/j.jpowsour.2020.228287⟩
Journal of Power Sources, Elsevier, 2020, 468, pp.228287. ⟨10.1016/j.jpowsour.2020.228287⟩

International audience; High capacity sulfur electrodes are expected to be used in the next-generation of high energy density and low cost rechargeable lithium batteries. The positive sulfur electrode undergoes complex electrochemical reactions, whic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::359d4b8353cae1fa2d74d8de37fae32c
https://hal.science/hal-02718859

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Influence of electrolyte composition on high energy lithium metal cells

Autor: Céline Barchasz, Eric Mayousse, Annaig Le Comte, Yvan Reynier, Benoit Chavillon, Benjamin Mercier-Guyon

Publikováno v: Solid State Ionics
Solid State Ionics, Elsevier, 2020, 350, pp.115321-. ⟨10.1016/j.ssi.2020.115321⟩
Solid State Ionics, 2020, 350, pp.115321-. ⟨10.1016/j.ssi.2020.115321⟩

Lithium metal electrodes are known for problematic formation of lithium dendrites and poor cyclability, especially in liquid-based electrolytes. Severe SEI formation along with lithium and electrolyte consumption are responsible for sudden failure of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e764467e1a75914055d2f4e8ec37d5b
https://hal.archives-ouvertes.fr/hal-03490350

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Fingerprinting mean composition of lithium polysulfide standard solutions by applying high energy resolution fluorescence detected X-ray Absorption Spectroscopy

Autor: Matjaž Žitnik, Gavin Vaughan, Fannie Alloin, Céline Barchasz, Klemen Bučar, Marko Petric, Renaud Bouchet, Alice Robba, Matjaž Kavčič, Kristina O. Kvashnina

Publikováno v: Journal of Physical Chemistry Letters
Journal of Physical Chemistry Letters, American Chemical Society, 2020, 11, pp.5446-5450. ⟨10.1021/acs.jpclett.0c01120⟩
Journal of Physical Chemistry Letters, 2020, 11, pp.5446-5450. ⟨10.1021/acs.jpclett.0c01120⟩
Journal of Physical Chemistry Letters 11(2020), 5446-5450

International audience; In a lithium/sulfur (Li/S) battery, the reduction of sulfur along discharge involves a particular mechanism, where the active material successively dissolves into the electrolyte to form lithium polysulfides intermediate speci

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::970128acefd0685ce81cb008ec8f655c
https://hal.archives-ouvertes.fr/hal-02891524/document

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Low-Molecular-Weight Aliphatic Polycarbonate-Based Polymer Electrolytes for Advanced High-Voltage Lithium Batteries

Autor: Erwan Dumont, Alexandre Dominget, Céline Barchasz, Laurent Bernard, Lionel Picard, Huu-Dat Nguyen, Laura Bruno, Thibaut Gutel

Publikováno v: ECS Meeting Abstracts. :453-453

Solid-state batteries combining Li-metal anode and high-voltage cathodes are expected to be the key to surpass the limitations of current Li-ion batteries in terms of energy density, safety and lifetime.[1] However, finding successful solid polymer e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c4cd54346fe1673822e92bd41a34352
https://doi.org/10.1149/ma2021-017453mtgabs

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Influence of catholyte composition on the performances of VACNT/Polysulfides/Li cells

Autor: Sébastien Liatard, Jean Dijon, Céline Barchasz, Adeline Fournier, Kamal Benhamouda

Publikováno v: Electrochimica Acta. 187:670-676

Elemental sulfur has become a particularly attractive material for lithium metal batteries owing to its low cost, availability, non-toxicity and high specific capacity of sulfur active material. Problematics of the Li/S cell arise from its particular

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::39f70c63633207fd1470a66efae9e32d
https://doi.org/10.1016/j.electacta.2015.11.113

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