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Jan Van Herle

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Related publications (221)

Page 5 of 12

Cost Requirements for a Small-Scale SOFC Fed From Agricultural-Derived Biogas

Jan Van Herle, Dirk Lauinger, Samuel Joseph Christian Majerus

In this work, the use of fuel cells for valorizing agricultural-derived biogas in Switzerland is studied. The Swiss agricultural case is characterized by farms with small numbers of animals (20 cows) and high feed-in tariffs (FIT) for biogas-derived electr ...

Asme2017

Performance Analysis of Ammonia in Solid Oxide Fuel Cells

Jan Van Herle, Suhas Nuggehalli Sampathkumar

Ammonia (NH3) has 17.8 wt% hydrogen and is easily liquified at 25°C and 8 bar pressure. Ammonia is carbon-free and can be produced sustainably at large scale and low cost. Solid oxide fuel cells generate electricity with efficiencies greater than 60% and c ...

ECS2021

Readiness evaluation of SOFC-MGT hybrid systems with carbon capture for distributed combined heat and power

Jan Van Herle, Jürg Alexander Schiffmann, Michele Gaffuri, Victoria Xu Hong He

The aggravation of climate change calls for the timely development and implementation of highly efficient, renewable, zero- or negative-emission energy solutions with high technological readiness and feasibility levels. Solid oxide fuel cells (SOFC) consti ...

Elsevier2023

Techno-economic comparison of 100% renewable urea production processes

François Maréchal, Jan Van Herle

Urea is widely used in agriculture, industry, and food, while it is also a potential fuel. Large-scale urea production relies on fossil fuels, thus there is a strong need for green urea given the increasing penetration of renewable energy sources. A potent ...

2021

Characterization of local morphology and availability of triple-phase boundaries in solid oxide cell electrodes

Jan Van Herle, Marco Cantoni, Arata Nakajo, Pierre Burdet, Giorgio Rinaldi

The performance of solid oxide cells is known to be dependent upon the density of three phase boundaries (TPB), but the potential for improving their effective electrocatalytic activity by morphological adjustments is imprecisely known. A spilling algorith ...

2019

Comparative life cycle analysis of electrolyzer technologies for hydrogen production: Manufacturing and operations

François Maréchal, Jan Van Herle, Shivom Sharma, Xinyi Wei, Suhas Nuggehalli Sampathkumar, Du Wen, Arthur Waeber

This study conducts a comprehensive life cycle assessment (LCA) of four electrolyzer technologies: alkaline electrolyzer (AEL), proton-exchange membrane (PEM), anion-exchange membrane (AEM), and solid oxide electrolyzer (SOE). It evaluates their environmen ...

2024

Dynamic behaviour of SOFC short stacks

Jan Van Herle, Joseph Sfeir, Nordahl Autissier, Diego Larrain, Raphaël Ihringer

Electrical output behaviour obtained on solid oxide fuel cell stacks, based on planar anode supported cells (50 or 100 cm2 active area) and metallic interconnects, is reported. Stacks (1–12 cells) have been operated with cathode air and anode hydrogen flow ...

2006

A combined hydrothermal gasification - solid oxide fuel cell system for sustainable production of algal biomass and energy

François Maréchal, Christian Ludwig, Jan Van Herle, Shivom Sharma, Hossein Madi, Eya Nicodeme

Hydrothermal gasification (HTG) is a promising technology that allows the recovery of nutrients from wet biomass with simultaneous production of an energy-rich gas. In this work, wastewater effluent (leachate) obtained from a composter sanitary system oper ...

2019

Addressing planar solid oxide cell degradation mechanisms: A critical review of selected components

Jan Van Herle, Hamza Moussaoui

In this review paper, a critical assessment of the main degradation processes in three key components of solid oxide fuel cells and electrolysers (negative and positive electrodes and the interconnect) is undertaken, attempting prioritization of respective ...

Wiley2022

Techno-Economic Optimization of an Integrated Biomass Waste Gasifier–Solid Oxide Fuel Cell Plant

François Maréchal, Jan Van Herle, Jürg Alexander Schiffmann, Arata Nakajo, Maria del Mar Perez Fortes, Victoria Xu Hong He

With a growing energy demand in a carbon-constrained society, fuels cells powered by renewable fuels, and specifically solid waste, are seen as interesting contributors to the energy portfolio. The alternative energy industry needs to reduce costs, enhance ...

2021

Robust Real-Time Optimization of a Solid Oxide Fuel Cell Stack

Dominique Bonvin, Jan Van Herle, Benoît Chachuat, Arata Nakajo, Zacharie Wuillemin, Alejandro Gabriel Marchetti, Leonidas Tsikonis

On-line control and optimization can improve the eﬃciency of fuel cell systems whilst simultaneously ensuring that the operation remains within a safe region. Also, fuel cells are subject to frequent variations in their power demand. This paper investigate ...

2011

Fast online diagnosis for solid oxide fuel cells: Optimisation of total harmonic distortion tool for real-system application and reactants starvation identification

Jan Van Herle, Hamza Moussaoui

This study investigates the potential application of total harmonic distortion (THD), as a fast online monitoring tool, to identify the early signs of failure modes in solid oxide fuel cells (SOFC). Indeed, the timely detection and identification of faults ...

ELSEVIER2023

Stability of ferritic perovskite cathodes in anode-supported solid oxide fuel cells under different processing and operation parameters

Jan Van Herle

(La0.6Sr0.4)(0.95)FeO3-delta/Sm0.2Ce0.8O2 (70:30, w/w) and (La0.6Sr0.4)(0.995)Co0.2Fe0.8O3-delta/Gd0.1Ce0.9O2 (50:50, w/w) cathodes screen printed on anode-supported cells were tested for 500h under different conditions by using a Taguchi matrix that combi ...

2011

Ageing of anode-supported solid oxide fuel cell stacks including thermal cycling, and expansion behaviour of MgO-NiO anodes

Jan Van Herle, Stefan Diethelm

This paper reports on medium term tests of anode-supported five-cell short stacks, as well as on some separate anode development. Two stacks were operated under steady-state conditions: one with unprotected metal interconnects, H-2 fuel and 0.35 A cm(-2) ( ...

Elsevier2008

Glass-Forming Exogenous Silicon Contamination in Solid Oxide Fuel Cell Cathodes

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

Spatially resolved analyses, by energy-dispersive X-ray spectroscopy (EDS) scanning electron microscopy (SEM), allowed the quantification of exogenous Si contamination in a solid oxide fuel cell (SOFC) cathode after operation. The Si quantification, taking ...

Electrochemical Society2011

Ageing of anode-supported solid oxide fuel cell stacks including thermal cycling, and expansion behaviour of MgO–NiO anodes

Jan Van Herle, Stefan Diethelm

2008

Degradation analysis of commercial interconnect materials for solid oxide fuel cells in stacks operated up to 18000 hours

Jan Van Herle, Manuel Bianco

Despite being a mature technology, solid oxide fuel cell (SOFC) devices are still limited by lifetime issues. In SOFC stacks, cell/interconnect interaction is the main responsible for voltage degradation at the oxygen electrode side. Corrosion and chromium ...

2019

Sulfur Poisoning Recovery on a Solid Oxide Fuel Cell Anode Material through Reversible Segregation of Nickel

Jan Van Herle, Oliver Kröcher, Davide Ferri, Hossein Madi, Patrick Simon Steiger

The perovskite-type mixed oxide La0.3Sr0.55Ti0.95Ni0.05O3-delta (LSTN) is demonstrated to exhibit the remarkable property of structural regeneration, where Ni can be reversibly exsoluted from the host perovskite lattice resulting in a regenerable Ni cataly ...

AMER CHEMICAL SOC2019

Combinatorial Use of Reference Electrodes and DRT for Disentangling AEM Electrolyzer Losses

Jan Van Herle, Mounir Driss Mensi, Pascal Alexander Schouwink, Philippe Aubin, Suhas Nuggehalli Sampathkumar, Hamza Moussaoui, Samaneh Daviran, Albert Deh Hwa Taureg, Khaled Lawand

American Chemical Society (ACS)2025

Modeling and experimental validation of solid oxide fuel cell materials and stacks

Jan Van Herle, Daniel Favrat, Zacharie Wuillemin, Nordahl Autissier, Diego Larrain

Results on solid oxide fuel cell stacks tested at 800° C with H2 fuel and using planar Ni-zirconia anode supported cells, 80x80x0.2 mm in size, are presented. Modeling and numerical simulation is used to interpret observed results and develop improved desi ...

2005