Publications by Suhas Nuggehalli Sampathkumar

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

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

American Chemical Society (ACS)2025

Membrane electrode assembly simulation of anion exchange membrane water electrolysis

Jan Van Herle, Zoé Mury, Suhas Nuggehalli Sampathkumar, Khaled Lawand

Anion exchange membrane water electrolysis (AEMWE) offers a green hydrogen production method that eliminates the need for platinum group metals (PGM) as electrocatalysts. This study employs a COMSOL (R) 6.0 model to simulate a 1x1 cm(2) Ni fibre - Raney (R ...

Elsevier2024

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

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

How Acid Washing Nickel Foam Substrates Improves the Efficiency of the Alkaline Hydrogen Evolution Reaction

Jan Van Herle, Peter Hugh Middleton, Suhas Nuggehalli Sampathkumar, Thomas Benjamin Ferriday

Nickel foam substrates are frequently utilised as porous 3D substrates for renewable energy applications. The preparation of these substrates usually includes an acid-washing step, but the degree to which this step affects the final electrochemical perform ...

MDPI2023

Activation of stainless steel 316L anode for anion exchange membrane water electrolysis

Jan Van Herle, Peter Hugh Middleton, Suhas Nuggehalli Sampathkumar, Thomas Benjamin Ferriday

The increased emphasis on renewable energy has resulted in a surge of R&D efforts into hydrogen and battery research. The intensive electrochemical environment surrounding the anodic oxygen evolution reaction (OER) has plagued both the activity and stabili ...

Elsevier2022

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

Performance Analysis of Ammonia in Solid Oxide Fuel Cells

Jan Van Herle, Peter Hugh Middleton, Steve Joris, 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

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