Results 31 to 40 of about 9,395 (252)
Ordered Ionic‐Liquid Channels Enable Fast Anhydrous Proton Conduction at up to 240°C for Fuel Cells
Angewandte Chemie, EarlyView.Infiltration of ionic liquids into a composite scaffold comprised of graphene and boron nitride nanosheets functionalised with positively charged polyethyleneimine produces robust proton conducting membranes for the intermediate temperature electrochemical devices.
Mazin Al‐Alawi +8 more
wiley +2 more sources
Angewandte Chemie, EarlyView.Ordered L12‐Pt3Mn intermetallic alloys are uniformly deposited onto atomically dispersed Mn–N–C supports. The synergistic effect between MnN4 sites and Pt3Mn elevates interfacial binding strength and dissolution barriers while favorably weakening *OH adsorption. It delivers exceptional catalytic activity and stability in fuel cells, serving as an ideal
Gongjin Chen +8 more
wiley +2 more sources
Heliyon, 2019 This paper examines the prospect of PEM (Proton Exchange Membrane) electrolyzers and fuel cells to partake in European electrical ancillary services markets.
Feras Alshehri +4 more
doaj +1 more source
Simulation study for 3D dynamic characteristics of voltage losses in PEM fuel cell
Cumhuriyet Science Journal, 2021 Fuel cells, providing an advanced alternative energy source, are devices that can convert chemical energy into electrical energy. Modeling of a fuel cell provides improvements to the design of the fuel cells as well as providing cheaper, better and more ...
Abdurrahman Baytar +2 more
doaj +1 more source
Modular PEM Fuel Cell SCADA & Simulator System
Resources, 2015 The paper presents a Supervision, Control, Data Acquisition and Simulation (SCADA & Simulator) system that allows for real-time training in the actual operation of a modular PEM fuel cell system.
Francisca Segura, José Manuel Andújar
doaj +1 more source
Experimental and Numerical Study on the Cold Start Performance of a Single PEM Fuel Cell
Advances in Mechanical Engineering, 2010 A combined experimental and analytical investigation of single proton exchange membrane (PEM) fuel cells, during cold start, has been conducted. The temperature influence on the performance of a single PEM fuel cell and the cold start failure of the PEM ...
Calvin H. Li, G. P. Peterson
doaj +1 more source
Understanding Operando Water Management in Hydroxide‐Exchange‐Membrane Fuel Cells
Advanced Materials Interfaces, EarlyView.Effective water management is vital for high‐performance hydroxide‐exchange‐membrane fuel cells. Using a custom water‐flux station, this study quantifies how membrane thickness, microporous layers, and operating conditions dictate internal water transport.
Catherine M. Weiss +4 more
wiley +1 more source
Sustainable Materials Design With Multi‐Modal Artificial Intelligence
Advanced Science, EarlyView.Critical mineral scarcity, high embodied carbon, and persistent pollution from materials processing intensify the need for sustainable materials design. This review frames the problem as multi‐objective optimization under heterogeneous, high‐dimensional evidence and highlights multi‐modal AI as an enabling pathway.
Tianyi Xu +8 more
wiley +1 more source
A review of portability of fault diagnosis methods from PEM fuel cells to PEM water electrolyzers
Discover Applied SciencesWith the global push for clean energy and carbon neutrality, proton exchange membrane (PEM) fuel cells and PEM electrolyzers are becoming essential technologies for sustainable energy systems.
Ruyi Wang +10 more
doaj +1 more source
International Journal of Automotive Science and Technology, 2023 PEM (Proton Exchange Membrane) fuel cells, which are commonly used in vehicles, are critical for sustainable transportation in the future. In this study, it is aimed to en-hance the system efficiency of the PEM fuel cell and provide fuel economy.
Nurettin Mert Boyacıoğlu +4 more
doaj +1 more source