Publications by Shivom Sharma | EPFL Graph Search

Environmental implications of solid oxide fuel cell system for hydrogen sustainability

Jan Van Herle, François Maréchal, Shivom Sharma, Du Wen

Hydrogen, known for its high energy content and clean combustion, is promising in the energy transition. This study explores the environmental impact of a solid oxide fuel cell (SOFC) system. 1 kg of hydrogen production at 1 bar serves as the functional un ...

2025

Advancing non-carbon energy: optimized and safely operated solid oxide fuel cell design for industrial feasibility

Stefan Diethelm, Jan Van Herle, François Maréchal, Shivom Sharma

As the world shift towards sustainable energy solutions, solid oxide fuel cells (SOFCs) using non-carbon fuels like ammonia and hydrogen emerge as promising pathways to produce clean energy and enhance conversion efficiency. However, current implementation ...

2025

Analysis and optimization of solid oxide fuel cell system with anode and cathode off gas recirculation

Jan Van Herle, François Maréchal, Shivom Sharma

Solid oxide fuel cell technology shows great potential in generating electricity. However, insufficient steam in the stack can result in carbon deposition, accelerating cell degradation over prolonged operation. To prevent this, ensuring an adequate supply ...

2025

Efficient, affordable, carbon-neutral power: Advanced solid oxide fuel cell-electrolyzer system

Jan Van Herle, François Maréchal, Shivom Sharma

The alarming increase in atmospheric carbon dioxide levels, primarily attributed to human-induced fossil fuel combustion for power generation, underscores the urgency for sustainable solutions. The solid oxide fuel cell (SOFC) is a promising candidate for ...

2025

A novel waterborne Solid Oxide Fuel Cell-based cogeneration system with realistic heat management

Jan Van Herle, François Maréchal, Shivom Sharma

This study examines a novel Solid Oxide Fuel Cell (SOFC) cogeneration system powered by liquefied natural gas integrating realistic and flexible heat management to support efficient maritime applications. With a nominal power capacity of 125 kW, the SOFC-b ...

2025

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

Search for high-mass exclusive diphoton production with tagged protons in proton-proton collisions at √s=13 TeV

Patrick Berger, Rakesh Chawla, Ian Smith, Jung Eung Park, Thomas Mountford, Matthias Finger, Matteo Galli, Maria Isabel Cordero Campana, Xiaoqiang Wang, Jian Zhao, James Gonzalo King, Mirko Kovac, Hua Zhang, Joo Yeon Kim, Jae-Woo Choi, Pedro Camilo de Oliveira e Silva, Young Min Kim, Myun Sik Kim, Gabriele Grosso, Qian Wang, Varun Sharma, Michele De Palma, Hyungjun Lee, Chia-Chun Chen, Siyuan Wang, Özdemir Can Kara, Shivom Sharma, Jian Wang, Yi Zhang, Bokyoung Kim, Rahul Kumar Gupta, Ling Zhou, Mithlesh Kumar, Chenyang Wang, Matthias Wolf, Chang-Hyun Park, Anna Mascellani, Yikai Yang, Zhenyu Wang, Seonwoo Lee, Wei-Hsiang Lin, , , , , , , , , , , , , , , , , , , , , , , , , , , ,

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

AIDRES: A database for the decarbonisation of the heavy industry in Europe

Luc Girardin, François Maréchal, Ivan Daniel Kantor, Shivom Sharma, Daniel Alexander Florez Orrego, Rafael Amorim Leandro De Castro Amoedo, Julia Granacher, Yi Zhao, Meire Ellen Gorete Ribeiro Domingos

The AIDRES database aims to support the long-term objective of a fully integrated industrial strategy in the EU 27, providing a service to the European Commission and a catalogue for industries to understand the effectiveness, efficiency and cost of potent ...

Universidad de Las Palmas de Gran Canaria2023

Compressed natural gas (cng) power system with co2 emissions capture and storage

François Maréchal, Shivom Sharma

CNG power system (1) comprising a storage tank (6) connected fluidically to a fuel conversion system (2) via an energy transfer system (4), the fuel conversion system (2) comprising a power unit using CNG as fuel and generating gas emissions comprising C02 ...

2022

Integrated production of urea and nitric acid in the pulp industry: techno-economic and environmental analysis of black liquor gasification-based processes

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

The pursuit of alternative energy sources for the nitrogen fertilizers sector has recently earned renewed interest due to increasing concerns regarding the world dependence on non-renewable energy resources and also motivated by the more stringent environm ...

2022

Design and Optimization of Membrane System for Gas Separation

François Maréchal, Shivom Sharma

Membrane separation may substitute conventional energy intensive technologies, and it could have cost benefits and lower environmental footprints. Several membrane processes have been developed to achieve higher purity and recovery of products. This study ...

Elsevier2022

Design and optimization of a solid oxide fuel cell-inverted gas turbine integrated system with zero carbon emission for distributed cogeneration

François Maréchal, Shivom Sharma

Solid oxide fuel cell-gas turbine (SOFC-GT) hybrid system is an efficient and potential method for distributed energy supply. The system layout, component operating parameters, system-level heat integration, component selection and design, etc., determine ...

Elsevier2022

Editorial: Integration and optimization in the chemical process industry

Shivom Sharma, Daniel Alexander Florez Orrego

FRONTIERS MEDIA SA2022

Assessment of Carbon Capture Technologies for Waste-to-Energy System

François Maréchal, Shivom Sharma, Rafael Amorim Leandro De Castro Amoedo

Municipal solid waste is a mixture of urban and industrial waste, consisting of biodegradable fractions, such as food waste, waste wood or paper, but also fossil-based fractions, among which plastics, textiles, metals, glass and aluminum. Depending on the ...

Elsevier2022

Enhancing Algae Biomass Production by Using Dye-Sensitized Solar Cells as Filters

Mohammad Khaja Nazeeruddin, Christian Ludwig, Peng Qin, Eya Nicodeme, Shivom Sharma

One of the most promising options for decreasing the costs of microalgae production is enhancing the production and reducing the energy demand of the culturing systems and the high surface area requirements. Because microalgae growth requires only specific ...

2021

System for co2 capture from internal combustion engine

François Maréchal, Shivom Sharma

System (2) for CO2 capture from a combustion engine (1) comprising an exhaust gas flow circuit (6) having an inlet end fluidly connected to an exhaust of the combustion engine, a heat exchanger circuit (12), a primary exhaust gas heat exchanger (H1) for tr ...

2020

Combined exergy analysis, energy integration and optimization of syngas and ammonia production plants: A cogeneration and syngas purification perspective

François Maréchal, Shivom Sharma, Daniel Alexander Florez Orrego

Modern ammonia production plants are equipped with efficient energy integration networks able to recover an important fraction of the waste heat exergy available throughout the chemical system. However, in order to drive the endothermic reforming reactions ...

ELSEVIER SCI LTD2020

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

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

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

3D design and optimization of heat exchanger network for solid oxide fuel cell-gas turbine in hybrid electric vehicles

François Maréchal, Shivom Sharma, Federico Tanozzi

The development of electric vehicles is considered as one of the sustainable way in the automotive industry to reduce greenhouse gases emissions and to allow transportation sector to comply with environmental targets required in present and future years. D ...

PERGAMON-ELSEVIER SCIENCE LTD2019