Nanostructured Germanium Anode for Lithium-ion Batteries for Aerospace Technologies

Diolaiti, V.; Andreoli, A.; Bernardoni, Paolo; Mangherini, Giulio; Ouelhazi, M. A.; Venczia, E.; Ricci, M.; Proietti, R.; Vincenzi, D.

doi:10.1109/nano54668.2022.9928666

Cited by 3 publications

(8 citation statements)

References 6 publications

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“…Fig. 2 (3-4) shows the Ge morphology at higher magnification, highlighting the effect of electrochemical treatment on the Ge layers, with a large open porosity visible on both the samples as reported in [15]. The obtained porosity is believed to play an essential role in the volumetric expansion during lithiation and de-lithiation processes.…”

Section: Micro-structural Characterisationmentioning

confidence: 63%

“…The activities shown have been supported and funded by the Italian Space Agency, in the framework of the invitation to tender "New Ideas for Future Space Tools" (ASI loan agreement N. 2018-1-U.O), project ANGELS (ANodi in GErmanio nanoporoso per batterie al Litio per applicazioni aeroSpaziali), and in the framework of the invitation to tender "Interdisciplinary Enabling Technologies" (ASI loan agreement N. 2021-2-U.0), project GLITTERY (Germanium Lithium-Ion baTTERY). Part of the descriptions of the present work are taken or adapted from the previous contributed paper [15], in agreement with TNANO ethical policy. A sincere thanks to Eleonora Venezia for her academic support.…”

Section: Acknowledgmentsmentioning

confidence: 99%

“…Herein, a comparison of the electrochemical nanostructuring process of Ge electrodes deposited by plasma-enhanced chemical vapor deposition (PECVD) on two different substrates, molybdenum (Mo) and stainless steel (SS) is reported. The physical and electrochemical study on Mo was previously reported by our group [15], [16] as Ge substrate due to its good electrical properties and high melting point, while SS is here explored as an alternative material owing to its compatibility with the fabrication process and its wider availability. The proposed deposition process enabled us to boast the rate capability and guarantees a stable capacity for more than 200 cycles.…”

Section: Introductionmentioning

confidence: 99%

“…Fig.5. Cycling performance of Ge anode on both PGe on Mo (adapted from[15]) and PGe on SS at a current rate of 1C within [0.01 − 1.5] V.…”

mentioning

confidence: 99%

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Comparison of Porous Germanium Thin Films on SS and Mo as Anode for High-Performance LIBs

Diolaiti,

Andreoli,

Chauque

et al. 2023

IEEE Trans. Nanotechnology

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The increasing demand for high performance lithium ion batteries is pushing the research toward the development of new materials for electrodes. Our study focuses on the usage of Germanium as the active material for the negative electrode since it has a higher theoretical specific capacity than standard graphite-based electrodes. This research article provides insight into the electrochemical performance of thin films of Germanium deposited on metallic substrates and then nanostructured via electrochemical etching. Molybdenum and stainless steel are investigated as substrates and compared with regard to the performance of the resulting electrodes. The nanostructured Germanium electrodes show promising results, demonstrating a stable and high specific capacity for hundreds of cycles. The long-term stability of the cell together with a high rate capability proves the reliability of the cell engineered.

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Section: Micro-structural Characterisationmentioning

confidence: 63%

Section: Acknowledgmentsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…Fig.5. Cycling performance of Ge anode on both PGe on Mo (adapted from[15]) and PGe on SS at a current rate of 1C within [0.01 − 1.5] V.…”

mentioning

confidence: 99%

See 2 more Smart Citations

Comparison of Porous Germanium Thin Films on SS and Mo as Anode for High-Performance LIBs

Diolaiti,

Andreoli,

Chauque

et al. 2023

IEEE Trans. Nanotechnology

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“…Densely populated areas (in particular commercial buildings) are the core contributors to building energy consumption and emissions [2]. The tailored implementation of Building Integrated PhotoVoltaic (BIPV) solutions has the potential to highly increase the overall building energy efficiency [3][4][5] while improving the quality of life under multiple aspects [6,7], especially if a more rational use of energy is implemented [8][9][10]. Considering the wide-range of BIPV technologies, their tailored implementation has the potential to improve the quality of human life under multiple prospects [6,7].…”

Section: Introductionmentioning

confidence: 99%

Design of a Ventilated Façade Integrating a Luminescent Solar Concentrator Photovoltaic Panel

et al. 2023

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The increasing trend towards decarbonization requires the reduction of the environmental impact of the building sector that currently accounts for approximately 40% of the total CO2 emissions of European countries. Even though Luminescent Solar Concentrator (LSC) panels could be a very promising technology to be installed in urban environments, there is still little implementation of LSC panels in building façades. Here, the realization of a Ventilated Façade (VF) integrating an LSC device as an external pane is presented and a preliminary numerical and experimental investigation is used to evaluate the interaction between the different structure components. Thanks to the realization of a dedicated mock-up finite element method, models are calibrated and validated against experimental measurements, showing a good correspondence between simulated and measured data. Moreover, the electrical characterization of the LSC panel confirms that large area devices can be used as an external skin of VF, reporting a photovoltaic efficiency of 0.5%. The system’s thermal and optical properties (estimated thanks to the software COMSOL Multiphysics) encourage the continuation of the research by considering different technologies for the VF internal skin, by scaling up the case study, and by running the simulation of an entire building considering winter and summer energy demands.

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Design of a Color Neutral Nonpatterned Photovoltaic Window Based on Luminescent Solar Concentrator

Bernardoni,

Mangherini,

Andreoli

et al. 2024

Solar RRL

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The necessity to fulfil buildings energy demand with different energy sources lead to an increasing integration between building components and renewable energy sources. The development of new BIPV technologies requiring less silicon solar cells for active area is particularly interesting especially from a circular economy perspective. This work describes the design of five neutral color photovoltaic windows based on large area (0.61 m2) luminescent solar concentrators, which were developed by the University of Ferrara and Eni S.p.A and were installed at the Eni “Renewable, New Energies and Material Science Research Centre” in Novara (Italy). The prototypes show a visible transmittance of 38.5% which represents an improvement with respect to commercial semi‐transparent photovoltaic technologies, moreover the evaluation of the window colorimetric properties highlights a color rendering index equal to 93.0, thus ensuring an excellent illumination quality of the building indoor. The panel electrical performance was measured indoor, at the end of the assembly process, and on‐site, showing a power production ranging from 1.2 W to 2.8 W and an efficiency between 0.23% and 0.48% depending on the illumination condition and the background reflectivity. Although the generated power is limited, it is already sufficient to power stand‐alone small appliances and smart systems.This article is protected by copyright. All rights reserved.

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Nanostructured Germanium Anode for Lithium-ion Batteries for Aerospace Technologies

Cited by 3 publications

References 6 publications

Comparison of Porous Germanium Thin Films on SS and Mo as Anode for High-Performance LIBs

Comparison of Porous Germanium Thin Films on SS and Mo as Anode for High-Performance LIBs

Design of a Ventilated Façade Integrating a Luminescent Solar Concentrator Photovoltaic Panel

Design of a Color Neutral Nonpatterned Photovoltaic Window Based on Luminescent Solar Concentrator

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