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Pastre A, Boé A, Rolland N, Bernard R. All-Solid-State Interdigitated Micro-Supercapacitors Based on Porous Gold Electrodes. Sensors (Basel) 2023; 23:619. [PMID: 36679415 PMCID: PMC9862250 DOI: 10.3390/s23020619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/16/2022] [Accepted: 12/27/2022] [Indexed: 06/17/2023]
Abstract
Recent developments in embedded electronics require the development of micro sources of energy. In this paper, the fabrication of an on-chip interdigitated all-solid-state supercapacitor, using porous gold electrodes and a PVA/KOH quasisolid electrolyte, is demonstrated. The fabrication of the interdigitated porous gold electrode is performed using an original bottom-up approach. A templating method is used for porosity, using a wet chemistry process followed by microfabrication techniques. This paper reports the first example of an all-gold electrode micro-supercapacitor. The supercapacitor exhibits a specific capacitance equal to 0.28 mF·cm-2 and a specific energy of 0.14 mJ·cm-2. The capacitance value remains stable up to more than 8000 cycles.
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Affiliation(s)
- Aymeric Pastre
- PhLAM-Physique des Lasers Atomes et Molécules, CNRS, UMR 8523, Université de Lille, F-59655 Villeneuve d’Ascq, France
| | - Alexandre Boé
- IEMN-Institut d’Electronique de Microélectronique et de Nanotechnologie, Université de Lille, CNRS, UMR 8520, F-59658 Villeneuve d’Ascq, France
| | - Nathalie Rolland
- IEMN-Institut d’Electronique de Microélectronique et de Nanotechnologie, Université de Lille, CNRS, UMR 8520, F-59658 Villeneuve d’Ascq, France
| | - Rémy Bernard
- PhLAM-Physique des Lasers Atomes et Molécules, CNRS, UMR 8523, Université de Lille, F-59655 Villeneuve d’Ascq, France
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De São José AN, Deniau V, Gransart C, Vantroys T, Boé A, Simon EP. Susceptibility of LoRa Communications to Intentional Electromagnetic Interference with Different Sweep Periods. Sensors (Basel) 2022; 22:5015. [PMID: 35808510 PMCID: PMC9269689 DOI: 10.3390/s22135015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/22/2022] [Accepted: 06/30/2022] [Indexed: 06/15/2023]
Abstract
This work presents a detailed analysis of the susceptibility of LoRa communications in the presence of intentional jamming signals. The analysis is performed with a periodic frequency-sweeping intentional electromagnetic interference, corresponding to the most common jamming signals. Such a waveform faithfully represents the signals emitted by commercial jammers. As the sweep period of the jamming signals may vary from one such device to another, the analyses are conducted with different sweep period values, from 1 μs to 50 μs. The experimental results indicate that the impact varies significantly according to the sweep period of the jamming signal. The detailed analysis allows us to identify the jamming signals to which LoRa communications can be resilient or not as well as to identify which LoRa channels are less affected during an attack.
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Affiliation(s)
- Artur N. De São José
- COSYS-LEOST, Université Gustave Eiffel, IFSTTAR, Université de Lille, F-59650 Villeneuve d’Ascq, France; (V.D.); (C.G.)
| | - Virginie Deniau
- COSYS-LEOST, Université Gustave Eiffel, IFSTTAR, Université de Lille, F-59650 Villeneuve d’Ascq, France; (V.D.); (C.G.)
| | - Christophe Gransart
- COSYS-LEOST, Université Gustave Eiffel, IFSTTAR, Université de Lille, F-59650 Villeneuve d’Ascq, France; (V.D.); (C.G.)
| | - Thomas Vantroys
- Université de Lille, CNRS, USR 3380—IRCICA—Institut de Recherche sur les Composants Logiciels et Matériels pour l’Information et la Communication Avancée, F-59000 Lille, France; (T.V.); (A.B.); (E.P.S.)
- Université de Lille, CNRS, Centrale Lille, UMR 9189 CRIStAL, F-59000 Lille, France
| | - Alexandre Boé
- Université de Lille, CNRS, USR 3380—IRCICA—Institut de Recherche sur les Composants Logiciels et Matériels pour l’Information et la Communication Avancée, F-59000 Lille, France; (T.V.); (A.B.); (E.P.S.)
- Université de Lille, CNRS, Centrale Lille, Université Polytechnique Hauts-de-France, UMR 8520—IEMN, F-59000 Lille, France
| | - Eric Pierre Simon
- Université de Lille, CNRS, USR 3380—IRCICA—Institut de Recherche sur les Composants Logiciels et Matériels pour l’Information et la Communication Avancée, F-59000 Lille, France; (T.V.); (A.B.); (E.P.S.)
- Université de Lille, CNRS, Centrale Lille, Université Polytechnique Hauts-de-France, UMR 8520—IEMN, F-59000 Lille, France
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Cristini-Robbe O, Raulin K, Dubart F, Bernard R, Kinowski C, Damene N, El Yazidi I, Boé A, Turrell S. Corrigendum to ‘Porous silica supports for micro-Raman spectroscopic studies of individual living cells’ [J. Mol. Struct. 1050 (2013) 232–237]. J Mol Struct 2013. [DOI: 10.1016/j.molstruc.2013.09.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Carbonnelle P, Ryelandt S, Boé A, Coulombier M, Zulfiqar A, Bhaskar U, Raskin J, Pardoen T. Lab-on-chips based testing methods to investigate the mechanical behaviour of thin films. EPJ Web of Conferences 2010. [DOI: 10.1051/epjconf/20100626001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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