Emerging Capacitive Materials for On-Chip Electronics Energy Storage Technologies

Autor: Bukola Jolayemi, Gaetan Buvat, Pascal Roussel, Christophe Lethien

Publikováno v: Batteries, Vol 10, Iss 9, p 317 (2024)

Miniaturized energy storage devices, such as electrostatic nanocapacitors and electrochemical micro-supercapacitors (MSCs), are important components in on-chip energy supply systems, facilitating the development of autonomous microelectronic devices

Externí odkaz: https://doaj.org/article/95979950fe1f4df797f053bb716fc16b

Influence of ion implantation on the charge storage mechanism of vanadium nitride pseudocapacitive thin films

Autor: Etienne Le Calvez, Dmitri Yarekha, Laurent Fugère, Kévin Robert, Marielle Huvé, Maya Marinova, Olivier Crosnier, Christophe Lethien, Thierry Brousse

Publikováno v: Electrochemistry Communications, Vol 125, Iss , Pp 107016- (2021)

The influence of microstructural or structural defects is seldom investigated in pseudocapacitive electrodes. Indeed, most of the synthesized materials do present defects at every scales which contribute to the improvement of the charge storage. In t

Externí odkaz: https://doaj.org/article/b1b040cacf094e39b476a60577296dec

Nanostructured MnO 2 Films for 3D Micro‐Supercapacitors: From New Insights of the Growth Mechanism to the Fine Tuning of Areal Capacitance Values

Autor: Botayna Bounor, Bouchra Asbani, Camille Douard, Dominique Deresmes, Didier Stiévenard, Pascal Roussel, Frederic Favier, Christophe Lethien, Thierry Brousse

Publikováno v: Journal of The Electrochemical Society
Journal of The Electrochemical Society, 2023, 170 (3), pp.030530. ⟨10.1149/1945-7111/acbee8⟩

Maximizing the electrochemical performance of 3D micro-supercapacitors based on pseudocapacitive films is crucial for powering the next generation of miniaturized IoT devices. The films have to be nanostructured, must conform the 3D template, and hav

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::324697206a3fa6b3f74b95eb8c98db56
https://hal.science/hal-04085386

Probing the Electrochemical Li Insertion–Extraction Mechanism in Sputtered LiNi0.5Mn1.5O4 Thin Film Cathode for Li‐Ion Microbattery

Autor: Ankush Bhatia, Clement Leviel, Maxime Hallot, Jean‐Pierre Pereira‐Ramos, Christophe Lethien, Pascal Roussel, Rita Baddour‐Hadjean

Publikováno v: Advanced Materials Interfaces
Advanced Materials Interfaces, Wiley, 2022, 9 (25), pp.2200733. ⟨10.1002/admi.202200733⟩
Advanced Materials Interfaces, 2022, 9 (25), pp.2200733. ⟨10.1002/admi.202200733⟩

International audience; Due to its great theoretical capacity (147 mAh g−1) and high operating potential (4.7 V vs Li+/Li), Co-free spinel LiNi0.5Mn1.5O4 (LNMO) is one of the most promising thin film cathodes allowing designing Li-ion micro-batteri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0985c09c9c0e9dfe587dc93014f11c36
https://hal.archives-ouvertes.fr/hal-03747992/file/article_R1_nonhighlighted.pdf

Asymmetric micro-supercapacitors based on electrodeposited Ruo2 and sputtered VN films

Autor: Christophe Lethien, Thierry Brousse, Kevin Robert, Bouchra Asbani, Pascal Roussel

Publikováno v: Energy Storage Materials
Energy Storage Materials, 2021, 37, pp.207-214. ⟨10.1016/j.ensm.2021.02.006⟩
Energy Storage Materials, Elsevier, 2021, 37, pp.207-214. ⟨10.1016/j.ensm.2021.02.006⟩

International audience; Research on micro-supercapacitors remains one of the most important activities in the area of electrochemical energy storage for powering smart and miniaturized electronic devices. Here we design an asymmetric micro-supercapac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::baca636abb9218712a87d7739a9c03d8
https://doi.org/10.1016/j.ensm.2021.02.006