Publications related to Fuel cell energy generation system

Related publications (15)

DFT-metadynamics insights on the origin of the oxygen evolution kinetics at the (100)-WSe2 surface

Water oxidation or oxygen evolution reaction (OER) in electrochemical cells is considered to be a major bottleneck in the way of hydrogen production by electro-synthesis, mainly due to a sluggish kinetics that characterizes the OER steps. Layered transitio ...

2025

Modeling, design and economics of PEC devices

Alexandre Dominique M. Cattry

Photo-electrochemical (PEC) devices allow for converting solar energy into chemical energy and for the production of energetically dense solar fuels. Light absorption, charge separation and transport, electrochemical reactions, and ionic transport are requ ...

EPFL2024

Solar-driven hydrogen production using organic semiconductor nanoparticles

Connor Robert Firth

Photocatalytic solar water splitting is a promising technology for producing green hydrogen that has the potential to compete economically with other commercially utilized carbon-based fuels. While this field has existed for decades, there has yet to be a ...

EPFL2024

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

Thermoelectric Generator as the Waste Heat Recovery Unit of Proton Exchange Membrane Fuel Cell: A Numerical Study

Jan Van Herle, Hossein Pourrahmani

The proton exchange membrane fuel cell (PEMFC) is a prominent environmentally friendly alternative candidate to internal combustion engines in automotive applications. The recovery of the waste heat of light-duty diesel engines has been investigated recent ...

MDPI2022

Gas Transport across Carbon Nitride Nanopores: A Comparison of van der Waals Functionals against the Random-Phase Approximation

Nicola Marzari, Kumar Varoon Agrawal, Davide Campi, Nicola Colonna

C2N is an ordered two-dimensional carbon nitride with a high density (1.7 x 10 14 cm(-2)) of 3.1 angstrom-sized nanopores, making it promising for highflux gas sieving for energy-efficient He and H-2 purification. Herein, we discuss the accurate calculatio ...

AMER CHEMICAL SOC2021

Metal Soap Membranes for Gas Separation

Kumar Varoon Agrawal, Davide Campi, Qi Liu, Deepu Joseph Babu, Jian Hao

Metal soaps or metal alkanoates are metal-organic complexes held together with metal cations and the functional groups of hydrocarbon chains. They can be synthesized at a high yield by simply mixing the metal and organic sources, forming crystalline framew ...

2020

Methodology for the identification of promising integrated biorefineries

Ayse Dilan Celebi

Steady increase in global energy consumption, greenhouse gas emissions, and depletion of fossil energy resources, together with increased attention towards sustainable development has prompted researchers to discover economical and environmentally competit ...

EPFL2019

Bioethanol Production from Sugarcane Green Harvest Residues Using Auxin-Assisted Pretreatment

Edgard Gnansounou, Jegannathan Kenthorai Raman

Bioethanol and biochemicals from agriculture residues are key alternative for transport fuels and fossil chemicals to environmental impact mitigation and rural economy. In biofuels and biochemicals production, pretreatment is the crucial and energy demandi ...

SPRINGER-VERLAG SINGAPORE PTE LTD2018

A microfluidic approach to synthesizing high-performance microfibers with tunable anhydrous proton conductivity

Philippe Renaud, Arnaud Bertsch, Mohammad Mahdi Hasani-Sadrabadi, Jules John Vandersarl

Here, we demonstrate a new approach for the synthesis of ion exchange microfibers with finely tuned anhydrous conductivity. This work presents microfluidics as a system to control the size and phosphoric acid (PA) doping level of the polybenzimidazole (PBI ...

Royal Society of Chemistry2013

Silicon protected with atomic layer deposited TiO2: durability studies of photocathodic H-2 evolution

Michael Graetzel

The semiconducting materials used for photoelectrochemical (PEC) water splitting must withstand the corrosive nature of the aqueous electrolyte over long time scales in order to be a viable option for large scale solar energy conversion. Here we demonstrat ...

Royal Soc Chemistry2013

Low-Temperature, Highly Efficient Growth of Carbon Nanotubes on Functional Materials by an Oxidative Dehydrogenation Reaction

László Forró, Arnaud Magrez, Jin Won Seo, Marijana Mionic Ebersold, Rita Smajda

In many applications like photovoltaics, fuel cells, batteries, or interconnects in integrated circuits carbon nanotubes (CNTs) have the role of charge transport electrodes. The building of such devices requires an in situ growth of CNTs at temperatures wh ...

2010

Gas Sensors on Plastic Foil with Reduced Power Consumption for Wireless Applications

Jérôme Courbat

Recently, there is a growing interest in developing so-called "smart" RFID tags for logistic applications. These smart tags incorporate sensing devices to monitor environmental parameters such as humidity and temperature throughout the supply chain. To ful ...

EPFL2010

Heterogeneous dehalogenation of arylhalides in the presence of ionic liquids

Gabor Laurenczy

Dehydrohalogenation of haloaromatics in ionic liquids derived from ethylmethylimidazolium or similar salts has been performed using Pd-C, Pd(OAc)2 and other catalysts using formate salts as a hydrogen source. In the ionic liquid [emim][BF4< ...

2007

Investigation and optimisation of hybrid electricity storage systems based on compressed air and supercapacitors

Sylvain Lemofouet-Gatsi

An increasing recourse to renewable energies is one of the key solutions to address the current resource and environmental concerns related to the world energy supply. Because of the distributed and intermittent nature of several of them (Solar, Wind), an ...

EPFL2006