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Antonin Faes

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Publications associées (42)

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In situ reduction and oxidation of nickel from solid oxide fuel cells in a Titan ETEM

Aïcha Hessler-Wyser, Jan Van Herle, Antonin Faes, Quentin Thomas Jeangros

Solid Oxide Fuel Cells (SOFC) common technology is based on anode- supported cells composed of nickel-yttria stabilized zirconia (Ni-YSZ) cermet. The nickel is in oxide state (NiO) during SOFC production and is reduced to metallic nickel during the first o ...

2009

Quantitative study of anode microstructure related to SOFC stack degradation

Aïcha Hessler-Wyser, Jan Van Herle, Antonin Faes

As the performances of Solid Oxide Fuel Cells (SOFC) get attractive, long term degradation becomes the main issue for this technology. Therefore it is essential to localise the origin of degradation and to understand its processes in order to find solution ...

Springer-Verlag2008

Solar-to-Hydrogen Production at 14.2% Efficiency with Silicon Photovoltaics and Earth-Abundant Electrocatalysts

Christophe Ballif, Antonin Faes, Demetri Psaltis, David Lambelet, Matthieu Despeisse, Christophe Moser, Jan-Willem Alexander Schüttauf, Miguel Antonio Modestino, Enrico Chinello

Affordable, stable and earth-abundant photo-electrochemical materials are indispensable for the large-scale implementation of sunlight-driven hydrogen production. Here we present an intrinsically stable and scalable solar water splitting device that is ful ...

Electrochemical Society2016

Nickel-Zirconia Anode Degradation and Triple Phase Boundary Quantification from Microstructural Analysis

Aïcha Hessler-Wyser, Jan Van Herle, Antonin Faes

Microstructural evolution of anode supported solid oxide fuel cells (SOFC) during medium-term stack testing has been characterized by scanning electron microscopy (SEM). Low acceleration voltage SEM imaging is used to separate the three anode phases (nicke ...

2009

Low-Temperature Screen-Printed Metallization for the Scale-Up of Two-Terminal Perovskite-Silicon Tandems

Christophe Ballif, Antonin Faes, Jacques Levrat, Laura Ding, Sylvain Nicolay, Gabriel Christmann, Soo-Jin Moon, Arnaud Walter, Adriana Paracchino, Matthieu Despeisse, Bertrand Yves Paul Paviet-Salomon

Tandem photovoltaic devices based on perovskite and crystalline silicon (PK/c-Si) absorbers have the potential to push commercial silicon single junction devices beyond their current efficiency limit. However, their scale-up to industrially relevant sizes ...

AMER CHEMICAL SOC2019

Overview of key results achieved in H2020 HighLite project helping to raise the EU PV industries' competitiveness

Antonin Faes, Gizem Nogay, Hugo James André Quest, Giuseppe Galbiati

The EU crystalline silicon (c-Si) PV manufacturing industry has faced strong foreign competition in the last decade. To strive in this competitive environment and differentiate itself from the competition, the EU c-Si PV manufacturing industry needs to (1) ...

WILEY2023

Monolithic Perovskite-Silicon Tandem Solar Cells: From the Lab to Fab?

Christophe Ballif, Antonin Faes, Quentin Thomas Jeangros, Chien-Jen Yang, Fan Fu

This review focuses on monolithic 2-terminal perovskite-silicon tandem solar cells and discusses key scientific and technological challenges to address in view of an industrial implementation of this technology. The authors start by examining the different ...

Wiley-V C H Verlag Gmbh2022

TEM investigation on zirconate formation and chromium poisoning in LSM/YSZ cathode

Aïcha Hessler-Wyser, Jan Van Herle, Zacharie Wuillemin, Antonin Faes, Josef Andreas Schuler

Cell durability is a crucial technological issue for SOFC commercialization, and considerable progress has been made in recent years. A number of degradation pathways have been established, amongst which microstructural changes, poisoning effects and forma ...

Springer Verlag2011

Novel Lightweight PV Modules Based on Polymeric Honeycomb for Building Integration

Christophe Ballif, Antonin Faes, Umang Bhupatrai Desai

A reliable and aesthetically pleasing lightweight (LW) photovoltaic (PV) module for building integration is expected to develop a growing interest in the consumer market. However, its application is still limited by old buildings that are not structurally ...

Institute of Electrical and Electronics Engineers Inc.2024

A Review of RedOx Cycling of Solid Oxide Fuel Cells Anode

Aïcha Hessler-Wyser, Jan Van Herle, Antonin Faes

Solid oxide fuel cells are able to convert fuels, including hydrocarbons, to electricity with an unbeatable efficiency even for small systems. One of the main limitations for long-term utilization is the reduction-oxidation cycling (RedOx cycles) of the ni ...

2012

Redox study of anode supported solid oxide fuel cell

Aïcha Hessler-Wyser, Jan Van Herle, Antonin Faes

The common technology for solid oxide fuel cells (SOFC) is based on a cermet anode of nickel with yttrium stabilized zirconia (YSZ), often used as the supporting structure. One of the main limitations of this anode technology is the redox tolerance. In thi ...

2008

Realization of GaInP/Si Dual-Junction Solar Cells With 29.8% 1-Sun Efficiency

Christophe Ballif, Antoine Descoeudres, Antonin Faes, Jacques Levrat, Matthieu Despeisse, Loris Barraud, Bertrand Yves Paul Paviet-Salomon, Stephanie Essig

Combining a Si solar cell with a high-bandgap top cell reduces the thermalization losses in the short wavelength and enables theoretical 1-sun efficiencies far over 30%. We have investigated the fabrication and optimization of Si-based tandem solar cells w ...

Ieee-Inst Electrical Electronics Engineers Inc2016

Curvature and Strength of Ni-YSZ Solid Oxide Half-cells after RedOx Treatments

Antonin Faes, Darlene Goldstein

One of the main drawbacks of anode-supported solid oxide fuel cell technology is the limited capability to withstand reduction and oxidation (“RedOx”) of the Ni phase. This study compares the effect of RedOx cycles on curvature and strength of half-cells, ...

American Soc Mechanical Engineers, Three Park Avenue, New York, Ny 10016-5990 Usa2010

Counterion effects in cyanine heterojunction photovoltaic devices

Frank Nüesch, Libero Zuppiroli, Antonin Faes

We investigated cyanine heterojunction photovoltaic devices using carbocyanine dyes as donors and buckminsterfullerene (C60) as acceptor. In particular, we focused on the influence of cyanine counterions on the photovoltaic device characteristics. It was f ...

2005

Interdigitated back contact silicon heterojunction solar cells featuring an interband tunnel junction enabling simplified processing

Christophe Ballif, Antoine Descoeudres, Benjamin Strahm, Antonin Faes, Sylvain Nicolay, Quentin Thomas Jeangros, Gabriel Christmann, Stefaan De Wolf, Matthieu Despeisse, Loris Barraud, Jonas Geissbühler, Johannes Peter Seif, Andrea Tomasi, Bertrand Yves Paul Paviet-Salomon

This paper reports on the development of an innovative back-contacted crystalline silicon solar cell with passivating contacts featuring an interband tunnel junction at its electron-collecting contacts. In this novel architecture, named "tunnel-IBC", both ...

2018

Quantifying and Modeling the Impact of Interconnection Failures on the Electrical Performance of Crystalline Silicon Photovoltaic Modules

Christophe Ballif, Antonin Faes, Jacques Levrat, Matthieu Despeisse, Eleonora Annigoni, Alessandro Francesco Aldo Virtuani

We present an electrical model developed with LT SPICE that simulates the performance of a string of cells with disconnections in the electrical circuit. In a previous contribution, we quantified experimentally how the module performance is affected when o ...

IEEE2018

Stability of black interconnect coatings for solar photovoltaic module applications

Christophe Ballif, Antonin Faes, Martin Ledinsky, Alessandro Francesco Aldo Virtuani, Alejandro Borja Block

Building-integrated photovoltaics (BIPV) are dual purpose, providing both energy and building functions. Aesthetics play a crucial role in the BIPV market, with increasing demand for uniformly colored modules for building skins. Achieving this requires hid ...

2023

Silicon Heterojunction Solar Cells With Copper-Plated Grid Electrodes: Status and Comparison With Silver Thick-Film Techniques

Christophe Ballif, Antoine Descoeudres, Antonin Faes, Quentin Thomas Jeangros, Stefaan De Wolf, Matthieu Despeisse, Loris Barraud, Jonas Geissbühler, Andrea Tomasi

Copper electroplating is investigated and compared with common silver printing techniques for the front metallization of silicon heterojunction solar cells. We achieve smaller feature sizes by electroplating, significantly reducing optical shadowing losses ...

Ieee-Inst Electrical Electronics Engineers Inc2014

Redox stable Ni–YSZ anode support in solid oxide fuel cell stack configuration

Jan Van Herle, Zacharie Wuillemin, Antonin Faes, Pietro Tanasini

State-of-the-art nickel-based SOFC anode-supported cells are highly sensitive to reoxidation of the metal phase at the temperature of utilization. This work presents results on redox stable nickel–YSZ (yttria- stabilized zirconia) anode-supported cells, fo ...

Elsevier2011

Design of experiment approach applied to reducing and oxidizing tolerance of anode supported solid oxide fuel cell. Part II: Electrical, electrochemical and microstructural characterization of tape-cast cells

Stefan Diethelm, Aïcha Hessler-Wyser, Jan Van Herle, Zacharie Wuillemin, Marco Cantoni, Antonin Faes, Pietro Tanasini, Henning Lübbe

One of the major limitations of the nickel (Ni) - yttria-stabilized zirconia (YSZ) anode support for solid oxide fuel cells (SOFC) is its low capability to withstand transients between reducing and oxidizing atmospheres ("RedOx" cycle), owing to the Ni-to- ...

Elsevier2011