Results 21 to 30 of about 5,626 (212)
CURRENT PROFILE OF PEFC CHAIN OF CUSTODY CERTIFIED COMPANIES IN ROMANIA [PDF]
PEFC is one of the most common certification schemes in forestry worldwide. The aim of this paper was to highlight the profile of the PEFC Chain of Custody certified companies from Romania.
Cristian Mihai ENESCU +3 more
doaj
In a polymer electrolyte fuel cell (PEFC), the current density through the polymer electrolyte membrane (PEM) is distributed along the electrode on the membrane electrode assembly (MEA).
Yasuo YOKOUCHI +3 more
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In hydrogen energy systems, the polymer electrolyte fuel cell (PEFC) is an important component. The purpose of this study is to clarify the effect of separator thickness (s.t.) in PEFC on the distributions of mass such as H2, O2, H2O and current density ...
Akira Nishimura +4 more
doaj +1 more source
Modeling and Analysis of Transport Processes and Efficiency of Combined SOFC and PEMFC Systems
A hybrid fuel cell system (~10 kWe) for an average family house including heating is proposed. The investigated system comprises a Solid Oxide Fuel Cell (SOFC) on top of a Polymer Electrolyte Fuel Cell (PEFC).
Abid Rabbani, Masoud Rokni
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Polymer Electrolyte Fuel Cell (PEFC) is desired to be operated over 90℃ during the period from 2020 to 2025 in Japan. The aim of this study is to clarify the impact of microporous layer (MPL) on the temperature profile of interface between polymer ...
Akira NISHIMURA +3 more
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Sb or Nb doped tin dioxide aerogels based PEFC cathode
International audienceCatalyst supports for Polymer Electrolyte Fuel Cells (PEFC) are currently made up of carbon blacks. This material is however not thermodynamically stable in fuel cell operating conditions and loss of performance is observed with ...
Guétaz, Laure +5 more
core +3 more sources
On the Concentration Overpotential of PEFC with Micromachined Ti Current Collector
Micromachined titanium thin film current collector, Ti-CC, that is developed in our previous work is used to investigate the concentration overpotential due to the liquid water filling in the through-holes of Ti-CC.
Kazuyoshi FUSHINOBU +2 more
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Experimental investigation on performance and water transfer in passive type PEFC
A fuel cell with a simple structure and operating at nearly ambient temperature and pressure is suitable for low cost small-sized generator sets ranging from several to tens Watts for home, outdoor and emergency use.
Eiji EJIRI, Daiki ISONO
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Italy is the first importer of wood-energy biomass worldwide, with tons of timber illegally imported every year and significant negative socio-economic and environmental consequences.
Ciliberti S +3 more
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Structural Effect of Cathode Catalyst Layer on the Performance of PEFC
The structure of cathode catalyst layer (CCL) has strong relationship with the performance of polymer electrolyte fuel cells (PEFCs). We investigated the relationship between the catalyst layer structure and the cell performance experimentally.
Hidetoshi MATSUDA +3 more
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