Article
Chemistry, Analytical
Samuel Cruz-Manzo, Paul Greenwood
Summary: This study proposes a new electrochemical impedance model for predicting oxygen diffusion resistance in PEFCs, which is validated through EIS measurements in different layers of the PEFC. The results show that the estimated oxygen diffusion resistances are distributed in the cathode catalyst layer (CCL) and gas diffusion layer (GDL) of the PEFC, providing a deeper understanding of the influence of electrochemical mechanisms on EIS measurements.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Physical
Rohan Kumar, K. A. Subramanian
Summary: This paper investigates the effects of oxygen-enriched air, along with other operating parameters, on the performance of a hydrogen-fuelled proton exchange membrane (PEM) fuel cell. The results show that 45% oxygen enrichment is optimal, and the stack temperature plays a significant role in performance improvement. The voltage efficiency and power output are improved with 45% oxygen-enriched air. Electrochemical impedance spectroscopy reveals the impedance behavior of the fuel cell under variable current demand.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Physical
C. Dall'Armi, D. Micheli, R. Taccani
Summary: This study analyzed the impact of peak shaving in a hybrid LT-PEMFC/lithium-ion battery power plant for small RoRo car and passenger ferry propulsion, showing that battery peak shaving can significantly reduce FC installed power. Recommendations were made for different types of compressed H2 storage cylinders based on sailing time to avoid excessive reduction in payload.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Engineering, Environmental
C. F. Zinola
Summary: An analytical solution of the water mass balance equation considering diffusion and electroosmotic drag fluxes was obtained. The experimental results showed that the operating conditions significantly affected the performance of the fuel cell, and continuous water recycling could preserve the performance stability of the fuel cell.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Electrochemistry
Christophe Gerling, Matthias Hanauer, Ulrich Berner, K. Andreas Friedrich
Summary: This paper focuses on the performance optimization of membrane electrode assemblies of PEM fuel cells by accurately characterizing and modeling relevant mechanisms. Various operating conditions are studied, leading to estimation of activation energies and evaluation of resistance changes. The study highlights the importance of accurate characterization in enhancing fuel cell performance.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Chemistry, Multidisciplinary
Meihua Tang, Huangli Yan, Xianming Zhang, Zhenying Zheng, Shengli Chen
Summary: This perspective summarizes the latest advances in tackling the interface problems in proton exchange membrane fuel cells (PEMFCs) through materials optimization and innovation. The challenges related to the catalyst/ionomer interface, including poisoning active sites of platinum (Pt) and sluggish oxygen transport, are addressed. The role of materials structure in regulating intermolecular interactions is emphasized, with a focus on catalysts, ionomers, and additives. The paper also highlights the challenges in applying established materials and proposes opportunities to broaden the material library.
ADVANCED MATERIALS
(2023)
Article
Thermodynamics
Sepehr Marandi, Niloufar Sarabchi, Mortaza Yari
Summary: A comparative study was conducted to evaluate four combined power producing systems based on low-temperature and high-temperature proton exchange membrane fuel cells. The study analyzed the systems' performance from energy, exergy, and exergoeconomic viewpoints, as well as conducted a parametric analysis to assess the effects of key parameters on the systems' thermodynamic and economic performance. The results showed variations in exergy efficiencies, net output power, and total product unit cost, with different system configurations and operating conditions.
ENERGY CONVERSION AND MANAGEMENT
(2021)
Article
Electrochemistry
Nammin Lee, Masoomeh Ghasemi, Bonghyun Kim, Seungbeen Choe, Kisung Lim, Seung Woo Lee, Seung Soon Jang, Hyunchul Ju
Summary: Air-cooled fuel cell systems are recognized as suitable technology for drone and aviation applications due to their lightweight and simple design. However, compared to liquid-cooled systems, they suffer from low specific power and unstable performance, mainly due to severe electrolyte dehydration and nonuniform current density and temperature profiles.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Energy & Fuels
Piotr Piatkowski, Iwona Michalska-Pozoga, Marcin Szczepanek
Summary: This article presents the issues associated with reducing the environmental impact of road transport through the use of electric vehicles powered by Proton Exchange Membrane (PEM) fuel cells. The article provides an overview of the functional characteristics of electric vehicles and the operation of fuel cells. By analyzing the energy conversion process, the significant advantages of electric drive, particularly in urban and suburban vehicles, are demonstrated. Additionally, the article discusses the challenges of controlling and maintaining fuel cell power, as well as the relationship with conventional vehicle dynamics. The article concludes by emphasizing the need for research in methods to effectively control the power of fuel cells to adapt to the varying load conditions of vehicle motion.
Review
Energy & Fuels
Eveline Kuhnert, Viktor Hacker, Merit Bodner
Summary: This article summarizes the significant scientific achievements in the field of polymer electrolyte membrane water electrolysis (PEMWE), which has the potential to produce green hydrogen with zero carbon emissions. However, the membrane electrode assembly (MEA) still requires further improvement in terms of performance, cost, and durability. Accelerated stress tests (ASTs) can be used to investigate cell ageing processes and failure modes under real-life conditions. The review discusses different accelerated stressors of the MEA components and summarizes recent publications on ASTs in the study of PEMWE cell durability. It also presents a concise review of degradation mechanisms for individual MEA components.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2023)
Article
Electrochemistry
P. I. Giotakos, S. G. Neophytides
Summary: Analytical simulation of experimental data of a high-temperature PEMFC revealed that dissociative adsorption of O2(g) is the main limiting step responsible for high ORR overpotentials, and both EIS and polarization resistance are dominated by the intrinsic ORR kinetic inertia.
ELECTROCHIMICA ACTA
(2023)
Article
Chemistry, Physical
Mengshan Suo, Kai Sun, Rui Chen, Zhizhao Che, Zhen Zeng, Qifeng Li, Xingxiao Tao, Tianyou Wang
Summary: Metal foam flow fields have the potential to enhance oxygen mass transfer to the catalyst layer and improve oxygen distribution homogeneity in PEM fuel cells. Decreasing metal foam porosity may lead to nonmonotonic variation in oxygen mass transfer rate, while increasing pore density and compression ratio can enhance oxygen mass transfer, especially at high inlet velocities. The insights from this study could be valuable for the implementation of metal foam flow fields in PEM fuel cells.
JOURNAL OF POWER SOURCES
(2022)
Article
Chemistry, Physical
M. Cavo, E. Gadducci, D. Rattazzi, M. Rivarolo, L. Magistri
Summary: This study focuses on the integration of PEMFCs and metal hydrides on a zero-emissions ship, emphasizing their thermal coupling. A model-based approach is developed to ensure system feasibility under different load demands, including transient conditions, based on the real application of an innovative zero-emissions ship powered by PEMFC and metal hydrides.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Review
Chemistry, Physical
Yijie Deng, Junming Luo, Bin Chi, Haibo Tang, Jing Li, Xiaochang Qiao, Yijun Shen, Yingjie Yang, Chunman Jia, Peng Rao, Shijun Liao, Xinlong Tian
Summary: Research shows that atomically dispersed metal-nitrogen-carbon catalysts have significant potential in improving the oxygen reduction reaction and membrane electrode assembly performance of proton exchange membrane fuel cells, indicating promising avenues for addressing current bottlenecks in hydrogen energy conversion.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
M. Cavo, M. Rivarolo, L. Gini, L. Magistri
Summary: As the International Maritime Organization sets targets for reducing CO2 emissions in the maritime sector by 2030 and 2050, the investigation of using hydrogen fuel cells as innovative clean energy generation solutions on board ships is becoming increasingly valuable. This study focuses on the thermal integration between PEM fuel cells and metal hydrides for hydrogen storage on the Italian zero-emissions ship ZEUS, launched in 2022. A model-based approach is developed to control the system under different load demands, particularly during navigation.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Energy & Fuels
Marco Sorrentino, Marco Bruno, Alena Trifiro, Gianfranco Rizzo
Article
Thermodynamics
Marco Sorrentino, Valentina Cirillo, Liberato Nappi
ENERGY CONVERSION AND MANAGEMENT
(2019)
Article
Thermodynamics
Nicola Franzese, Ibrahim Dincer, Marco Sorrentino
APPLIED THERMAL ENGINEERING
(2020)
Article
Engineering, Civil
Marco Sorrentino, Krehi Serge Agbli, Daniel Hissel, Frederic Chauvet, Tony Letrouve
Summary: This paper utilizes dynamic programming optimization analysis to evaluate the energy-saving potential of battery hybrid railcars, providing valuable design and control guidelines for train manufacturers and operators.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART F-JOURNAL OF RAIL AND RAPID TRANSIT
(2021)
Article
Thermodynamics
Ke Song, Xiaodi Wang, Feiqiang Li, Marco Sorrentino, Bailin Zheng
Article
Thermodynamics
L. Barelli, G. Bidini, D. A. Ciupageanu, C. Pianese, P. Polverino, M. Sorrentino
ENERGY CONVERSION AND MANAGEMENT
(2020)
Article
Energy & Fuels
N. Rispoli, F. Vitale, F. Califano, M. Califano, P. Polverino, M. A. Rosen, M. Sorrentino
JOURNAL OF ENERGY STORAGE
(2020)
Article
Energy & Fuels
Marco Gallo, Carmine Costabile, Marco Sorrentino, Pierpaolo Polverino, Cesare Pianese
Article
Energy & Fuels
Yuan-wu Xu, Xiao-long Wu, Xiao-bo Zhong, Dong-qi Zhao, Marco Sorrentino, Jianhua Jiang, Chang Jiang, Xiaowei Fu, Xi Li
Summary: Gas leakage in SOFC stack is a critical issue affecting system efficiency and performance. To address this issue, an online fault diagnosis scheme based on mechanism model and data-driven method is proposed, which can effectively monitor and diagnose gas leakage in the stack, enhancing system stability and efficiency.
Article
Thermodynamics
F. Vitale, N. Rispoli, M. Sorrentino, M. A. Rosen, C. Pianese
Summary: The study focuses on the optimal control strategy and resizing of rSOC microgrids, achieving economic subscaling of rSOC through connection with the grid, leading to reductions in capital expenditure and operating costs.
Article
Energy & Fuels
Erika Pierri, Valentina Cirillo, Thomas Vietor, Marco Sorrentino
Summary: Innovative vehicle concepts, such as hybrid and battery electric vehicles, have been developed in the automotive sector in recent years to meet environmental targets and cope with emissions regulations. The preferred hybrid technology is lithium-ion battery due to its high energy density. This work proposes a conceptual design procedure to optimize the sizing of hybrid and battery electric vehicles, taking into account the influence of cell type, physical disposition, and arrangement of electrical devices within a conversion design framework.
Article
Energy & Fuels
Ludovica Malafronte, Marco Sorrentino, Alena Trifiro
Summary: The paper presents a diagnostic tool aimed at improving energy conservation and thermal management within telecommunication sites, analyzing malfunctions of data acquisition, electronic and cooling systems. By applying fault tree analysis methodology, the tool allows for up to 11% yearly energy savings in high energy demanding central office without additional sensor costs.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2021)
Article
Chemistry, Physical
Xiao-long Wu, Yuan-wu Xu, Dong Li, Yi Zheng, Jiarui Li, Marco Sorrentino, Yunjun Yu, Xiaofeng Wan, Lingyan Hu, Chun Zou, Xi Li
Summary: This study investigates the thermal performance of the afterburner in a natural gas solid oxide fuel cell system, analyzing temperature distribution and safety characteristics through simulation to guide safety assessment and controller design for the system.
JOURNAL OF POWER SOURCES
(2021)
Proceedings Paper
Energy & Fuels
Pierpaolo Polverino, Giovanni Bove, Marco Sorrentino, Cesare Pianese
INNOVATIVE SOLUTIONS FOR ENERGY TRANSITIONS
(2019)
Proceedings Paper
Energy & Fuels
Marco Sorrentino, Antonio Adamo, Gianmarco Nappi
RENEWABLE ENERGY INTEGRATION WITH MINI/MICROGRID
(2019)
