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François Maréchal

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Publications associées (437)

Co2 and h2o co-electrolyser system

Jan Van Herle, François Maréchal, Suhas Nuggehalli Sampathkumar

A water and carbon dioxide co-electrolyser system (1) comprising an anion exchange membrane (AEM) electrolyser (2) having at least one AEM electrolyser cell (2c) comprising a cathode (8), an anode (12) and an AEM membrane (16) separating the cathode from t ...

2024

Renewable synthesis fuels for a circular economy: A life cycle assessment

François Maréchal, Du Wen

Renewable synthesis fuels play a crucial role in enabling a circular economy. This study assesses the environmental impacts of power-to-hydrogen and biomass-to-hydrogen routes, considering four hydrogen storage options: hydrogen, ammonia, methane, and meth ...

2024

A novel hydrogen-based desalination system for a self-sustaining community

François Maréchal, Du Wen

This work proposes a novel hydrogen-based desalination system to replace fossil fuelbased plants. The system has a water-hydrogen nexus framework to achieve an efficient operation, providing electricity, potable water, and green hydrogen. Through optimal p ...

2024

The predictive power of NLP models on Perovskite solar cells: BERTforPSC

Mohammad Khaja Nazeeruddin, François Maréchal

With the advent of ChatGPT, natural language processing (NLP) models have gained tremendous interest from the research community and have been applied to a plethora of scientific domains like batteries, pharmaceuticals, recycling plastics, etc., to obtain ...

Elsevier2024

Identification of typical district configurations: A two-step global sensitivity analysis framework

François Maréchal, Jonas Schnidrig, Cédric Terrier

The recent geopolitical conflicts in Europe have underscored the vulnerability of the current energy system to the volatility of energy carrier prices. In the prospect of defining robust energy systems ensuring sustainable energy supply in the future, the ...

Pergamon-Elsevier Science Ltd2024

Between green hills and green bills: Unveiling the green shades of sustainability and burden shifting through multi-objective optimization in Swiss energy system planning

Manuele Domenico Margni, François Maréchal, Jonas Schnidrig

The Paris Agreement is the first-ever universally accepted and legally binding agreement on global climate change. It is a bridge between today's and climate-neutrality policies and strategies before the end of the century. Critical to this endeavor is ene ...

2024

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

Jan Van Herle, François Maréchal, Shivom Sharma, Suhas Nuggehalli Sampathkumar, Du Wen

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

Integration of renewable energy and reversible solid oxide cells towards decarbonizing the secondary aluminium production and urban systems

François Maréchal, Daniel Alexander Florez Orrego, Meire Ellen Gorete Ribeiro Domingos

Aluminium sector relies on natural gas for recycling scrap into feedstock, contributing ~2% to the global industrial CO2 emissions. Hydric resources are used as cooling media for aluminium direct chill casting, and waste heat is typically rejected to near ...

2024

Renewable energy integration and waste heat valorization in aluminum remelting for co-producing kerosene and methanol

François Maréchal, Daniel Alexander Florez Orrego, Meire Ellen Gorete Ribeiro Domingos, Réginald Germanier

The aluminium sector relies on natural gas for the conversion of recycled scrap into new feedstock, which results in substantial atmospheric emissions. Hydric resources are also impacted, as they serve as heat sinks for the waste heat generated during the ...

Associazione Italiana Di Ingegneria Chimica2024

Climate neutrality of the French energy system: overview and impacts of sustainable aviation fuel production

François Maréchal

(Formula presented.) emission reduction of sectors such as aviation, maritime shipping, road haulage, and chemical production is challenging but necessary. Although these sectors will most likely continue to rely on carbonaceous energy carriers, they are e ...

2024

Fuel cell energy generation system

François Maréchal, Shivom Sharma

An energy production system (100) comprising a fuel cell (102), a combustion unit (103) connected to a flue gas outlet (108) of the fuel cell, the combustion unit configured for combustion of oxidizable components in flue gas output by the fuel cell, the c ...

2024

From Local Energy Communities towards National Energy System: A Grid-Aware Techno-Economic Analysis

François Maréchal, Cédric Terrier

Energy communities are key actors in the energy transition since they optimally interconnect renewable energy capacities with the consumers. Despite versatile objectives, they usually aim at improving the self-consumption of renewable electricity within lo ...

MDPI2024

Performance polyamides built on a sustainable carbohydrate core

Véronique Michaud, François Maréchal, Jeremy Luterbacher, Holger Frauenrath, Lorenz Perry Manker, Maxime Alexandre Clément Hedou

Sustainably producing plastics with performance properties across a variety of materials chemistries is a major challenge-especially considering that most performance materials use aromatic precursors that are still difficult to source sustainably. Here we ...

Nature Portfolio2024

Sustainable One-Pot Production and Scale-Up of the New Platform Chemical Diformylxylose (DFX) from Agricultural Biomass

François Maréchal, Jeremy Luterbacher

The large-scale production of platform chemicals from biomass requires efficient, cost-effective, and sustainable methods. Here, we present three one-pot synthesis routes for producing diformylxylose (DFX), a sugar-based solvent and platform chemical, usin ...

2024

Power Shift: Quantifying the Role of Actors in the Multi-Actor Swiss Energy System Decentralization

Manuele Domenico Margni, François Maréchal, Jonas Schnidrig, Cédric Terrier, Julia Granacher

The global transition to decentralized energy systems signifies a fundamental transformation toward sustainable energy paradigms. This study specifically focuses on the Swiss energy system, analyzing how dynamic pricing influences the strategic decisions o ...

Frontiers Media SA2024

Evaluating the role of inkjet printing in perovskite solar modules manufacturing using mathematical modeling

Mohammad Khaja Nazeeruddin, François Maréchal

Given the solution-phase processability and low energy intensity of several techniques, many techniques have been explored to manufacture these cells and modules. Among them, inkjet printing has shown potential for fabricating all the active layers while a ...

2024

Optimization of the end-of-life tire repartition within the European treatment system to minimize its environmental impacts

François Maréchal

This study contrasts two different approaches to inform European-scale decision-making to mitigate the environmental impacts of the end-of-life tires (ELT) management system. The first analysis is a traditional life cycle assessment (LCA) that compares the ...

2024

Decomposition method to evaluate district heating/cooling network potential at urban scale

Luc Girardin, François Maréchal, Raphaël Briguet, Ana Catarina Gouveia Braz, Bingqian Liu

In this work, a tool to design district heating networks (DHN) is presented and applied to the city of Lausanne as a case study. The evaluation of the buildings’ heat/cooling demand is performed using a Geographic Information System (GIS) database, built f ...

Associazione Italiana Di Ingegneria Chimica2024

Energy Planning of Beijing Towards Low-Carbon, Clean and Efficient Development in 2035

François Maréchal

Energy transition towards clean, efficient energy supply has been a common sense of the government and public in China. However, lacking reasonable planning will lead to undisciplined development, resource waste, and excessive investment. In this context, ...

CHINA ELECTRIC POWER RESEARCH INST2024

A holistic approach to refinery decarbonization based on atomic, energy and exergy flow analysis

François Maréchal

As one of the largest industrial emitters, today's refineries must take action to reduce emissions in response to global climate change and net -zero targets. However, the decarbonization of refineries is complex due to the diverse range of processes invol ...

Pergamon-Elsevier Science Ltd2024

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