Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Aurélien Gohier"'
Autor:
Pierre Tran-Van, Lucie Leveau, Aurélien Gohier, Costel Sorin Cojocaru, Barbara Laïk, Jean-Pierre Pereira-Ramos
Publikováno v:
Electrochimica Acta. 157:218-224
The cycling conditions of silicon nanowires anode are investigated and a set of conditions is proposed in order to improve the cycle life of these electrodes, without any structure or surface optimization. Limitation of lithiation or delithiation to
Publikováno v:
Thin Solid Films. 575:84-91
The effect of atomic hydrogen assisted pre-treatment on the growth of vertically aligned carbon nanotubes using hot-filament chemical vapor deposition was investigated. Iron nanoparticle catalysts were formed on an aluminum oxide support layer by spr
Autor:
Michel Rosso, Antoine Seyeux, Catarina Pereira-Nabais, Philippe Marcus, Jolanta Światowska, Michel Cassir, Aurélien Gohier, Pierre Tran-Van, François Ozanam
Publikováno v:
ACS Applied Materials & Interfaces. 6:13023-13033
Si thin films obtained by plasma enhanced chemical vapor deposition (PECVD) were used to investigate chemical and morphological modifications induced by lithiation potential and cycling. These modifications were thoughtfully analyzed by time-of-fligh
Autor:
Ki-Hwan Kim, Marc Châtelet, David Brunel, Costel Sorin Cojocaru, Aurélien Gohier, Leandro Sacco
Publikováno v:
Advanced Materials. 26:4363-4369
High performance optoelectronic devices based on cup-stacked carbon nanotubes are realized. Based on a Schottky barrier model, rectifying behaviors and high photoresponse are observed by using growth catalysts as nanoscale electronic contacts. Simila
Autor:
Philippe Marcus, Antoine Seyeux, Sandrine Zanna, Catarina Pereira-Nabais, Alexandre Chagnes, Michel Cassir, Aurélien Gohier, Pierre Tran-Van, Costel Sorin Cojocaru, Jolanta Światowska
Publikováno v:
The Journal of Physical Chemistry C. 118:2919-2928
The effect of lithiation–delithiation rate and of the number of cycles on the properties of Si nanowires (SiNWs) and electrolyte interface is presented in this paper. The surface and bulk modifications of SiNW electrode induced by electrochemical p
Autor:
Aurélien Gohier, Pierre Tran-Van, Costel Sorin Cojocaru, Barbara Laïk, Jean-Pierre Pereira-Ramos, Lucie Leveau
Publikováno v:
Journal of Power Sources
Journal of Power Sources, Elsevier, 2016, 316, pp.1-7. ⟨10.1016/j.jpowsour.2016.03.053⟩
Journal of Power Sources, Elsevier, 2016, 316, pp.1-7. ⟨10.1016/j.jpowsour.2016.03.053⟩
Nanostructured silicon electrodes have attracted attention as a potential candidate for high capacity anode in lithium-ion batteries, thanks to their high specific capacity and their ability to accommodate silicon volume changes upon cycling. However
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b28e45c4d333c5598f5ee8a484f9355
https://hal.archives-ouvertes.fr/hal-02137948
https://hal.archives-ouvertes.fr/hal-02137948
Autor:
Pierre Tran Van, Ki-Hwan Kim, Jean-Luc Maurice, Jean-Pierre Pereira-Ramos, Aurélien Gohier, Barbara Laïk, Costel Sorin Cojocaru
Publikováno v:
Advanced Materials
Advanced Materials, Wiley-VCH Verlag, 2012, 24 (19), pp.2592-2597. ⟨10.1002/adma.201104923⟩
Advanced Materials, Wiley-VCH Verlag, 2012, 24, pp.2592
Advanced Materials, Wiley-VCH Verlag, 2012, 24 (19), pp.2592-2597. ⟨10.1002/adma.201104923⟩
Advanced Materials, Wiley-VCH Verlag, 2012, 24, pp.2592
International audience; The concept of a hybrid nanostructured collector made of thin vertically aligned carbon nanotubes (CNTs) decorated with Si nanoparticles provides high power density anodes in lithium-ion batteries. An impressive rate capabilit
Autor:
Pierre Tran-Van, Barbara Laïk, Costel Sorin Cojocaru, Jean-Pierre Pereira-Ramos, Aurélien Gohier
Publikováno v:
Journal of Power Sources
Journal of Power Sources, Elsevier, 2012, 203, pp.135-139. ⟨10.1016/j.jpowsour.2011.12.023⟩
Journal of Power Sources, Elsevier, 2012, 203, pp.135-139. ⟨10.1016/j.jpowsour.2011.12.023⟩
International audience; For the first time, the effect of the nanowires diameter in terms of size and distribution on electrochemical properties of SiNWs grown by VLS was investigated. The diameter size was tuned by using three different gold cataly
Autor:
Pascale Chenevier, Martine Mayne-L'hermite, I. Lopes, G. Deniau, Dominique Porterat, Serge Palacin, Cécile Reynaud, Aurélien Gohier
Publikováno v:
Key Engineering Materials. 495:298-301
This work reports the design of a resistive gas sensor based on 2D mats of multi-walled carbon nanotubes (MWCNT). The sensor sensitivity was optimised using chlorine by tuning both MWCNT network morphology and MWCNT electronic properties. Raw CNT wer
Autor:
Jean-Pierre Pereira-Ramos, Barbara Laïk, Costel Sorin Cojocaru, Jean-François Pierson, Aurélien Gohier, Lucie Leveau
Publikováno v:
ResearcherID
Research carried out in our laboratory is devoted to new materials of electrodes for lithium ion batteries. This presentation focuses on anodic materials, especially on two examples, silicon and ruthenium nitride. In both cases, electrochemical prope