Results 121 to 130 of about 102,266 (349)

Organic Photoelectrochemical Cells Beyond Performance: Interface and Catalyst Engineering for Durability

open access: yesAdvanced Energy Materials, EarlyView.
Organic photoelectrochemical cells based on π‐conjugated semiconductors offer a versatile platform for solar fuel generation. This review outlines operating principles, device architectures, and key metrics, and highlights advances in p‐ and n‐type photoelectrodes, interfacial engineering, and catalyst integration.
Jaehyeong Kim   +8 more
wiley   +1 more source

Temperature control of open-cathode PEM fuel cells [PDF]

open access: yes, 2017
Proper temperature control of Proton Exchange Membrane (PEM) Fuel Cells is a crucial factor for optimizing fuel cell performance. A robust temperature controller is required for optimal water management of PEM fuel cells.
Costa Castelló, Ramon, Strahl, Stephan
core   +4 more sources

The Effect of Membrane Thickness of Hydrocarbon Composite Polymer to Fuel Cells Performances [PDF]

open access: yes, 2010
Polymer type's fuel cell generator are depends on oxidant as fuels. For hydrogen and methanol fuel's oxidant, there are proton exchange membrane fuel cell (PEMFC) and direct methanol fuel cell (DMFC)‘s type.
Dewi, E. L. (Eniya), Handayani, S. (Sri)
core  

Radiation grafted membranes [PDF]

open access: yes, 2008
The development of proton-exchange membranes for fuel cells has generated global interest in order to have a potential source of power for stationary and portable applications.
Alkan Gursel, Selmiye   +5 more
core   +1 more source

Advances in nanocellulose proton conductivity and applications in polymer electrolyte membrane fuel cells

open access: yesNext Materials
Fuel cells, crucial for the advancement of hydrogen-based energy devices, require novel materials for proton exchange membrane (PEM) that are more cost-effective and sustainable. At the core of such an energy source is the proton exchange membrane, which
Mehvish Shah, Najeeb Ud Din Hakim
doaj   +1 more source

Lumped Model for Proton Exchange Membrane Fuel Cell (PEMFC)

open access: yesInternational Journal of Electrochemical Science, 2010
This work aimed to develop lumped model for proton exchange membrane fuel cells (PEMFCs). The developed lumped model has been validated with published experimental results. The model has been developed depend on linear algebra equations.
M. ELSayed Youssef   +2 more
doaj   +1 more source

Fuel cells : state of the art [PDF]

open access: yes, 2009
Publication CIMNEThis report pretends to explain the state of the art of fuel cells and the applications focused on aviation, such as unmanned aerial vehicles (UAV).
Jarauta Arabí, Àlex, Pons Prats, Jordi
core   +1 more source

Linking Synthetic Materials Chemistry to Electrocatalytic Performance

open access: yesAngewandte Chemie International Edition, EarlyView.
Synthetic materials chemistry governs electrocatalyst performance through precise control of phase, composition, defects, and morphology, while emerging operando techniques, data‐driven approaches, and automated laboratories are advancing the field toward predictive catalyst design for sustainable energy conversion.
Debabrata Bagchi   +3 more
wiley   +1 more source

Fuel cell technology for lunar surface operations [PDF]

open access: yes
Hydrogen-oxygen fuel cells have been shown, in several NASA and contractor studies, to be an enabling technology for providing electrical power for lunar bases, outposts, and vehicles.
Deronck, Henry J.
core   +1 more source

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