Publications by Maria del Mar Perez Fortes

Degradation study of a reversible solid oxide cell (rSOC) short stack using distribution of relaxation times (DRT) analysis

Stefan Diethelm, Jan Van Herle, Maria del Mar Perez Fortes, Philippe Aubin, Suhas Nuggehalli Sampathkumar

Reversible solid oxide cells (rSOC) can convert excess electricity to valuable fuels in electrolysis cell mode (SOEC) and reverse the reaction in fuel cell mode (SOFC). In this work, a five - cell rSOC short stack, integrating fuel electrode (Ni-YSZ) suppo ...

PERGAMON-ELSEVIER SCIENCE LTD2022

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

Jürg Alexander Schiffmann, Jan Van Herle, Arata Nakajo, François Maréchal, 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

Triple-Mode Grid-Balancing Plants via Biomass Gasification and Reversible Solid-Oxide Cell Stack: Economic Feasibility Evaluation via Plant Capital-Cost Target

Jan Van Herle, François Maréchal, Maria del Mar Perez Fortes, Ligang Wang

Electricity production and consumption must be balanced for the electrical grid. However, the rapidly growing intermittent power sources are now challenging the supply-demand balance, leading to large flexibility needs for grid management. The plant integr ...

FRONTIERS MEDIA SA2021

Potential Deployment of Reversible Solid-Oxide Cell Systems to Valorise Organic Waste, Balance the Power Grid and Produce Renewable Methane: A Case Study in the Southern Italian Peninsula

Maria del Mar Perez Fortes, Ligang Wang

The large market penetration of non-dispatchable renewable power sources (vRES), i.e., wind and photovoltaic, may be hampered by an increasing need for large scale energy storage capacity and the challenges of balancing the power grid. Novel technologies i ...

2021

Techno-economic optimization of biomass-to-methanol with solid-oxide electrolyzer

Jan Van Herle, François Maréchal, Maria del Mar Perez Fortes, Ligang Wang, Hanfei Zhang

The purpose of this paper is to assess techno-economically the integration of solid-oxide electrolysis in biomass-to-methanol processes: (1) The hydrogen produced by electrolysis can be used to adjust the composition of syngas from gasification to increase ...

ELSEVIER SCI LTD2020

Cyclic degradation analysis of reversible Solid Oxide Cell short-stack

Stefan Diethelm, Jan Van Herle, Maria del Mar Perez Fortes, Guillaume Jeanmonod, David Constantin, Philippe Aubin, Suhas Nuggehalli Sampathkumar

The deployment of renewable energy systems has been increasing steadily in recent years. The intermittency associated with the renewable electricity supply can be addressed through the usage of energy storage and release systems. In this framework, reversi ...

2020

Reversible solid-oxide cell stack based power-to-x-to-power systems: Comparison of thermodynamic performance

Jan Van Herle, François Maréchal, Maria del Mar Perez Fortes, Tzu-En Lin, Ligang Wang, Philippe Aubin, Yumeng Zhang

The increasing penetration of variable renewable energies poses new challenges for grid management. The economic feasibility of grid-balancing plants may be limited by low annual operating hours if they work either only for power generation or only for pow ...

2020

Design of a Pilot SOFC System for the Combined Production of Hydrogen and Electricity under Refueling Station Requirements

Stefan Diethelm, Jan Van Herle, François Maréchal, Maria del Mar Perez Fortes, Alberto Mian

The objective of the current work is to support the design of a pilot hydrogen and electricity producing plant that uses natural gas (or biomethane) as raw material, as a transition option towards a 100% renewable transportation system. The plant, with a s ...

2019

A Cogeneration System Based on Solid Oxide and Proton Exchange Membrane Fuel Cells With Hybrid Storage for Off-Grid Applications

François Maréchal, Maria del Mar Perez Fortes, Ligang Wang, Francesco Baldi

Solid oxide fuel cells (SOFC) have developed to a mature technology, able to achieve electrical efficiencies beyond 60%. This makes them particularly suitable for off-grid applications, where SOFCs can supply both electricity and heat at high efficiency. C ...

2019

Optimal design of solid-oxide electrolyzer based power-to-methane systems: A comprehensive comparison between steam electrolysis and co-electrolysis

Stefan Diethelm, Jan Van Herle, François Maréchal, Maria del Mar Perez Fortes, Hossein Madi, Ligang Wang

Power-to-methane technologies have been regarded as a promising alternative to offer small or large-scale, long-timescale (daily/weekly/seasonal) energy storage as well as the opportunity of utilizing CO2. The performance of the core component, the electro ...

2018