Results 81 to 90 of about 392,508 (308)

Fabrication of bifunctional membrane electrode assemblies for unitised regenerative polymer electrolyte fuel cells [PDF]

, 2006
Bifunctional membrane electrode assemblies have been fabricated using a screen printing technique, which demonstrate a repeatable and stable operation to cell current and voltages.
Harrison, DJ, Pettersson, J, Ramsey, BJ
core   +1 more source

Solvent‐Free Manufacturing of Multifunctional Gas Diffusion Electrode Architectures for Enhanced CO2 Conversion From Low‐Concentration Streams

Advanced Functional Materials, EarlyView.
A tandem gas diffusion electrode (GDE) leveraging hierarchically engineered microgranules enables efficient CO2 electroreduction under dilute CO2 conditions. A key innovation lies in the solvent‐free precision assembly of metal–organic‐frameworks, carbon nanotubes, and copper nanoparticles.
Kai‐Jen Wu, Carter Racine, Ahmed Badreldin, Shengyao Wang, Zongsu Han, Hong‐Cai Zhou, Ying Li, Heng Pan   +7 more
wiley   +1 more source

Effects of the Orifice and Absorber Grid Designs on Coolant Mixing at the Inlet of an RITM-Type SMR Fuel Assembly

Fluids
This article presents the results of an experimental study on the hydrodynamics of the coolant at the inlet of the fuel assembly in the RITM reactor core.
Anton Riazanov, Sergei Dmitriev, Denis Doronkov, Aleksandr Dobrov, Aleksey Pronin, Dmitriy Solntsev, Tatiana Demkina, Daniil Kuritsin, Danil Nikolaev   +8 more
doaj   +1 more source

Study on pressure drop prediction of BWR fuel assembly using CFD analysis

Nihon Kikai Gakkai ronbunshu, 2017
This paper presents the pressure drop prediction of BWR fuel assembly without experiment. To evaluate the core performance, pressure drop of fuel assembly is one of the key design parameters. The shape of fuel assembly is complicated and the spacer has a
Kojiro TADA, Shinichi MOROOKA
doaj   +1 more source

Sputter-deposited fuel cell membranes and electrodes [PDF]

, 2001
A method for preparing a membrane for use in a fuel cell membrane electrode assembly includes the steps of providing an electrolyte membrane, and sputter-depositing a catalyst onto the electrolyte membrane.
Chun, William, Jeffries-Nakamura, Barbara, Narayanan, Sekharipuram R., Ruiz, Ron P., Valdez, Thomas I.   +4 more
core   +1 more source

A Technique for Making Nuclear Fusion in Solids [PDF]

, 2017
A technique is described for making nuclear fusion at room temperature by compressing a powder mixture comprising a deuteride and catalytic material. The result is explosive beyond known chemical reaction for the materials.
WAYTE, RICHARD
core   +1 more source

Graphene Nanosheet‐Based Mixed Proton‐Electron Conducting Membranes for Efficient Hydrogen Purification

Advanced Functional Materials, EarlyView.
A monolayer graphene/phosphoric‐acid mixed proton‐electron conducting membrane combines proton‐conducting nanoconfined acid channels with electron‐conducting graphene nanosheets for efficient high‐temperature hydrogen purification. The membrane achieves nearly 100% H2/CO2 selectivity and 69 GPU hydrogen permeance at 250°C, arising from synergistic ...
Kaiqiang He, Fanmengjing Wang, Dehua Dong, Yuan Kang, Zhikao Li, Jacek J. Jasieniak, Paul A. Webley, Douglas R. MacFarlane, Huanting Wang   +8 more
wiley   +1 more source

Experimental studies and numerical simulation of coolant hydrodynamics in the inlet area of nuclear reactor fuel assembly

MATEC Web of Conferences, 2018
An innovative core with an increased energy resource was used when designing RITM-200 reactor unit. The paper presents the results of experimental and numerical simulation of hydrodynamic processes occurring in the inlet region of the RITM reactor fuel ...
Dmitriev Sergei, Khrobostov Alexander, Legchanov Maksim, Dobrov Alexander   +3 more
doaj   +1 more source

Fuel cell design and assembly [PDF]

, 1984
The present invention is directed to a novel bipolar cooling plate, fuel cell design and method of assembly of fuel cells. The bipolar cooling plate used in the fuel cell design and method of assembly has discrete opposite edge and means carried by the ...
Myerhoff, Alfred
core   +1 more source

A one-compartment, direct glucose fuel cell for powering long-term medical implants [PDF]

, 2006
We present the operational concept, microfabrication, and electrical performance of an enzyme-less direct glucose fuel cell for harvesting the chemical energy of glucose from body fluids. The spatial concentrations of glucose and oxygen at the electrodes
Chokkalingam, V., Ducrée, Jens, Kerzenmacher, S., Lorenz, A., Miyakawa, N., von Stetten, F., Zengerle, Roland   +6 more
core   +1 more source