Results 111 to 120 of about 28,179 (226)

Precision parameter estimation in Proton Exchange Membrane Fuel Cells using depth information enhanced Differential Evolution

Scientific Reports
Proton Exchange Membrane Fuel Cell (PEMFC) models require parameter tuning for their design and performance improvement. In this study, Depth Information-Based Differential Evolution (Di-DE) algorithm, a novel and efficient metaheuristic approach, is ...
Pradeep Jangir, Absalom E. Ezugwu, Arpita, Sunilkumar P. Agrawal, Sundaram B. Pandya, Anil Parmar, G. Gulothungan, Laith Abualigah   +7 more
doaj   +1 more source

State Estimation and Fault Diagnosis of Proton Exchange Membrane Fuel Cells Based on Artificial Intelligence

发电技术
ObjectivesThe proton exchange membrane fuel cell (PEMFC), as a highly promising clean energy technology, has attracted much attention in the field of energy conversion.
ZHENG Ruyi, YANG Bo, ZHOU Shuai, JIANG Lin, LI Hongbiao, GAO Dengke   +5 more
doaj   +1 more source

Numerical Investigation of Liquid Water Transport Dynamics in Novel Hybrid Sinusoidal Flow Channel Designs for PEMFC

Energies, 2019
This study numerically investigates liquid water dynamics in a novel hybrid sinusoidal flow channel of a proton exchange membrane fuel cell (PEMFC). The two-phase flow is examined using a three-dimensional, transient computational fluid dynamics (CFD ...
Ikechukwu S. Anyanwu, Yuze Hou, Wenmiao Chen, Fengwen Pan, Qing Du, Jin Xuan, Kui Jiao   +6 more
doaj   +1 more source

Understanding the build-up of a Technological Innovation System around Hydrogen and Fuel Cell Technologies [PDF]

This study provides insight into the development of hydrogen and fuel cell technologies in the Netherlands (1980-2007). This is done by applying a Technological Innovation System (TIS) approach.
Marko P. Hekkert, Roald A.A. Suurs, Ruud E.H.M. Smits   +2 more
core  

Breaking the ORR Trade‐Off via Mg‐Steered Fe‐N4 Pyridinic Conversion

Small, EarlyView.
A Mg‐assisted sacrificial templating strategy is developed to selectively regulate the coordination environment of Fe–N4 sites. This approach induces an active site conversion from S1 to S2, enabling enhancement of oxygen reduction activity and durability. ABSTRACT Single‐atom Fe sites coordinated by pyrrolic nitrogen (Fe‐Npyrr‐C) are highly active for
Si‐Qi Sun, Ya‐Peng Cheng, Hai‐Ning Zhang, Jia‐Min Lyu, Xiao‐Yun Li, Ke Lyu, Ming‐Hui Sun, Shen Yu, Wen‐Mao Tu, Andreu Cabot, Li‐Hua Chen   +10 more
wiley   +1 more source

Innovative Diversity Metrics in Hierarchical Population‐Based Differential Evolution for PEM Fuel Cell Parameter Optimization

Engineering Reports
The optimization of parameters in proton exchange membrane fuel cell (PEMFC) models is essential for enhancing the design and control of fuel cells and is currently a vibrant area of research.
Mohammad Khishe, Pradeep Jangir, Arpita, Sunilkumar P. Agrawal, Sundaram B. Pandya, Anil Parmar, Laith Abualigah   +6 more
doaj   +1 more source

Achilles’ heel of single atom catalysts towards practical PEMFC application: Degradation mechanisms and regulatory strategies

Nano Research Energy
Proton exchange membrane fuel cell (PEMFC) is deemed as an efficient and eco-friendly technology with high energy conversion rate and low start-up temperature.
Han Guo, Peng Zhang, Siying Huang, Min Li, Guangxun Sun, Jiaye Li, Yan Lin, Bin Liu, Yuan Pan   +8 more
doaj   +1 more source

Recent Developments in Mems-Based Micro Fuel Cells [PDF]

, 2006
Micro fuel cells ($\mu$-FC) represent promising power sources for portable applications. Today, one of the technological ways to make $\mu$-FC is to have recourse to standard microfabrication techniques used in the fabrication of micro electromechanical ...
Gauthier-Manuel, B., Pichonat, T.
core   +4 more sources

Linking Density and Nanoscale Crystallinity to Hydration in Nafion PEMFC Membranes: Insights From Experiment and Molecular Dynamics Simulations

Small Structures, EarlyView.
Molecular dynamics and experimental analysis show that higher crystallinity in Nafion enhances molecular packing, thereby increasing effective density. A proposed model bridges experimental and molecular‐scale observations by quantitatively linking water uptake to density variations, offering a predictive framework for optimising hydration and ...
Mateja Jovanović, Nicolas Bernhard, Matthias Baldofski, Marcin Rybicki, Miljan Dašić, Igor Stanković   +5 more
wiley   +1 more source

PEMFC Semi-Empirical Model Improvement by Reconstructing Concentration Loss

Energies
The performance of proton exchange membrane fuel cells (PEMFCs) is greatly affected by their operating parameters, especially at high current densities.
Qinwen Yang, Xuan Liu, Gang Xiao, Zhen Zhang   +3 more
doaj   +1 more source